:root {
    --primary-color: #9b59b6;
    --primary-light: #c39bd3;
    --primary-dark: #7d3c98;
    --background-color: #f5eef8;
    --text-color: #2c3e50;
    --light-gray: #ecf0f1;
    --gray: #95a5a6;
    --dark-gray: #7f8c8d;
    --success: #2ecc71;
    --error: #e74c3c;
    --warning: #f39c12;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

body {
    font-family: 'Brown', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Styles pour la page d'authentification */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.login-box {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.login-box h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 2.5rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.subtitle {
    color: var(--dark-gray);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Styles du formulaire */
.auth-form {
    text-align: left;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-group {
    margin-bottom: 20px;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.remember-me input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    width: 100%;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-text {
    background: none;
    color: var(--primary-color);
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-text:hover {
    text-decoration: underline;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Message d'erreur */
.error-message {
    margin-top: 15px;
    padding: 10px 15px;
    background-color: #fde8e8;
    color: var(--error);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    display: none;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* En-tête du tableau de bord */
.app-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    margin-bottom: 30px;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.app-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.app-header h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 0;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0;
}

/* --- Styles pour la navigation du tableau de bord (PC) --- */
.app-nav {
    display: flex;
    flex-direction: row; /* S'assure que les éléments sont en ligne */
    flex-wrap: nowrap; /* Empêche le retour à la ligne */
    gap: 0.5rem; /* Espace entre les boutons */
    align-items: center; /* Centre verticalement les éléments */
}

.app-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem; /* Espace entre l'icône et le texte */
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: all 0.2s ease;
}

.app-nav .nav-link:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.app-nav .nav-link.active {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 700;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.app-nav .logout-link:hover {
    background-color: #fdedec; /* Rouge clair */
    color: var(--error);
}

/* Section nouveau message */
.new-message {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.new-message h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Section historique des messages */
.message-history h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.messages-list {
    display: grid;
    gap: 20px;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.message-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.message-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--light-gray);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.message-date {
    color: var(--gray);
    font-size: 0.85rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.message-status {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.status-received {
    background-color: #d6eaf8;
    color: #2980b9;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.status-read {
    background-color: #e8f8f5;
    color: #27ae60;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.status-liked {
    background-color: #fdedec;
    color: #e74c3c;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.message-content {
    margin-bottom: 15px;
    line-height: 1.6;
    white-space: pre-wrap;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.message-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-like {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color 0.3s ease;
    padding: 5px 10px;
    border-radius: 50%;
}

.btn-delete {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: 1.1rem;
    transition: color 0.3s ease, transform 0.2s ease;
    padding: 5px 10px;
    border-radius: 50%;
}

.btn-delete:hover {
    color: var(--error);
    transform: scale(1.1);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-like:hover {
    color: #e74c3c;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-like.liked {
    color: #e74c3c;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Message de statut */
.status-message {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 1000;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.status-message.show {
    transform: translateY(0);
    opacity: 1;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.status-message.success {
    background-color: var(--success);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.status-message.error {
    background-color: var(--error);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.status-message.warning {
    background-color: var(--warning);
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* État de chargement */
.loading {
    text-align: center;
    padding: 30px;
    color: var(--gray);
    font-style: italic;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Styles responsifs */
@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
    }

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}
    
    .app-header h1 {
        font-size: 1.5rem;
    }

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}
    
    .new-message,
    .message-history {
        padding: 20px 15px;
    }

    /* --- Styles pour la page "Mon Compte" --- */
    .account-section {
        padding-top: 1rem;
    }

    .account-header {
        text-align: center;
        margin-bottom: 2.5rem;
    }

    .account-header h2 {
        font-size: 2.2rem;
        margin-bottom: 0.5rem;
        color: var(--text-color);
    }

    .account-header .username-display {
        color: var(--primary-color);
    }

    .lovebox-code-card {
        background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
        border: 1px solid var(--primary-light);
        text-align: center;
    }

    .account-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .card {
        background: var(--white);
        padding: 2rem;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
        margin-bottom: 2rem; /* For single column layout */
    }

    .card h3 {
        font-size: 1.3rem;
        color: var(--primary-dark);
        margin-bottom: 1.5rem;
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .code-help {
        margin-bottom: 1rem;
        font-size: 0.9rem;
        color: var(--dark-gray);
    }

    .code-display-wrapper {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .code-display {
        display: flex;
        align-items: center;
        background-color: var(--light-gray);
        border-radius: var(--border-radius);
        padding: 0.5rem;
        flex-grow: 1;
    }

    #loveboxCode {
        font-family: 'Courier New', Courier, monospace;
        font-size: 2rem;
        font-weight: bold;
        letter-spacing: 4px;
        color: var(--primary-dark);
        padding: 0.5rem 1rem;
        flex-grow: 1;
        text-align: center;
    }

    .app-nav .nav-link span {
        display: inline; /* Affiche le texte même sur mobile */
        font-size: 0.9rem; /* Taille de police légèrement réduite */
        display: none; /* Cache le texte sur mobile */
    }

    .app-nav .nav-link {
        padding: 10px; /* Rend les boutons plus carrés pour les icônes */
        font-size: 1.2rem; /* Augmente la taille de l'icône */
    }

    .app-nav .nav-link:hover {
        transform: none; /* Désactive l'effet de survol sur mobile */
    }

    .account-grid {
        grid-template-columns: 1fr;
    }

    .code-display-wrapper {
        flex-direction: column;
    }

    }

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Animation de chargement */
@keyframes spin {
    0% { transform: rotate(0deg); }

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}
    100% { transform: rotate(360deg); }

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
    vertical-align: middle;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}
/* Styles pour la page d'inscription */
.auth-page {
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 20px 0;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-box {
    background: white;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-box h1 {
    color: #6a11cb;
    text-align: center;
    margin-bottom: 0.5rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.subtitle {
    text-align: center;
    color: #6c757d;
    margin-bottom: 2rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-form {
    margin-top: 1.5rem;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    color: #6c757d;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-links a {
    color: #6a11cb;
    text-decoration: none;
    font-weight: 500;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}
.logo {
    width: 3.4vh;
    height: 3.4vh;
    margin-right: 1vh;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}
.login-box .logo {
    width: 5vh;
    height: 5vh;
    margin-right: 1vh;
}

/* --- Styles pour la page de guide --- */
#setup-guide {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.setup-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary-color);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: 700;
}

.step-content h2 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
    font-size: 1.5rem;
    text-align: left;
}

.step-content p {
    text-align: left;
}

.step-content a:not(.btn) {
    color: var(--primary-color);
    font-weight: bold;
}

@media (max-width: 768px) {
    .setup-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .step-content h2, .step-content p {
        text-align: center;
    }
}
/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}/* Style pour le compteur de caractères */
.char-counter-container {
    text-align: right;
    font-size: 0.85em;
    color: #555;
    margin-top: 4px;
    height: 1em; /* Empêche le décalage de la mise en page */
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.char-counter-container.error {
    color: #e74c3c; /* Rouge pour l'erreur */
    font-weight: bold;
}

/* --- Style pour la page de présentation (index.php) --- */

/* Header */
.main-header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.main-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.main-header nav li {
    margin-left: 2rem;
}

.main-header nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--primary-color);
}

/* Section Héros */
#hero {
    text-align: center;
    padding: 4rem 0;
    background: #f9f9f9;
}

#hero h1 {
    font-size: 3rem;
    color: #333;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections générales */
section.container {
    padding: 3rem 1rem;
    text-align: center;
}

section.container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

section.container h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.5rem auto 0;
}

/* Grille des fonctionnalités */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 2rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Galerie */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* Footer */
.main-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.main-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* --- Styles pour le menu mobile --- */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    transition: opacity 0.3s ease;
}

.overlay.active {
    display: block;
}

@media (max-width: 768px) {
    .main-header .main-nav ul {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding-top: 5rem;
        align-items: center;
        transition: right 0.3s ease-in-out;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        z-index: 999;
    }
    .main-header .main-nav.nav-active ul {
        right: 0;
    }
    .main-header .main-nav ul li {
        margin-left: 0;
        margin-bottom: 2rem;
    }
    .hamburger {
        display: block;
    }
}