:root {
    --marron-nuit: #5D4037;
    --jaune-sombre: #FFC107;
    --jaune-clair: #FFF8E1;
    --beige: #f9f5e9;
    --marron-clair: #8D6E63;
    --blanc: #ffffff;
    --noir: #333333;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--noir);
    background-color: var(--beige);
    scroll-behavior: smooth;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
/* Navigation */
nav {
    background-color: var(--marron-nuit);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
}
nav.scrolled {
    padding: 10px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}
.logo-mobile {
    display: none;
    max-width: 50px;
    border-radius: 50%;
    border: 2px solid var(--jaune-sombre);
}
nav ul {
    display: flex;
    list-style: none;
}
nav li {
    margin: 0 15px;
    position: relative;
}
nav a {
    color: var(--jaune-sombre);
    text-decoration: none;
    font-weight: bold;
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 1.05rem;
}
nav a:hover, nav a.active {
    background-color: var(--jaune-sombre);
    color: var(--marron-nuit);
    transform: translateY(-2px);
}
nav li::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--jaune-sombre);
    bottom: 0;
    left: 0;
    transition: width 0.3s ease;
}
nav li:hover::after {
    width: 100%;
}
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--jaune-sombre);
    font-size: 28px;
    transition: transform 0.3s ease;
}
.hamburger:hover {
    transform: scale(1.1);
}
/* Header commun */
.header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 3px solid var(--marron-nuit);
    padding-bottom: 20px;
    position: relative;
}
.logo-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 20px;
}
.logo {
    max-width: 180px;
    height: auto;
    transition: transform 0.3s ease;
}
.logo:hover {
    transform: scale(1.05);
}
.founder-img, .students-img {
    max-width: 150px;
    height: auto;
    border-radius: 10px;
    border: 3px solid var(--marron-nuit);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.founder-img:hover, .students-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}
h1 {
    color: var(--marron-nuit);
    margin-bottom: 5px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}
h1::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background: var(--jaune-sombre);
    bottom: -5px;
    left: 25%;
    border-radius: 3px;
}
.subtitle {
    font-weight: bold;
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--marron-nuit);
}
.motto {
    font-style: italic;
    color: var(--marron-clair);
    font-weight: 500;
    font-size: 1.1rem;
}
/* Styles pour le formulaire */
#formulaire-section .advantages {
    background-color: var(--jaune-clair);
    padding: 20px;
    border-radius: 8px;
    margin: 25px 0;
    border-left: 5px solid var(--jaune-sombre);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}
#formulaire-section .advantages:hover {
    transform: translateX(5px);
}
#formulaire-section .form-container {
    background-color: var(--jaune-clair);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border: 2px solid var(--marron-nuit);
    transition: box-shadow 0.3s ease;
}
#formulaire-section .form-container:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}
#formulaire-section .submit-btn {
    background-color: var(--marron-nuit);
    color: var(--jaune-sombre);
    border: none;
    padding: 15px 25px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 6px;
    width: 100%;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
}
#formulaire-section .submit-btn:hover {
    background-color: #3E2723;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}
#formulaire-section .submit-btn:active {
    transform: translateY(1px);
}
/* Styles pour le catalogue */
#catalogue-section .section {
    margin-bottom: 40px;
    background-color: var(--blanc);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}
#catalogue-section .section:hover {
    transform: translateY(-5px);
}
#catalogue-section .highlight {
    background-color: var(--jaune-clair);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 5px solid var(--jaune-sombre);
    transition: all 0.3s ease;
}
#catalogue-section .highlight:hover {
    transform: scale(1.01);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
#catalogue-section .programme {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: 25px;
}
#catalogue-section .programme-item {
    flex: 1 1 300px;
    background-color: #f5f5f5;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #ddd;
    transition: all 0.3s ease;
}
#catalogue-section .programme-item:hover {
    background-color: var(--jaune-clair);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
#catalogue-section .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 25px;
}
#catalogue-section .gallery img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    border: 3px solid var(--marron-nuit);
    transition: all 0.3s ease;
    cursor: pointer;
}
#catalogue-section .gallery img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
#catalogue-section .staff {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}
#catalogue-section .staff-member {
    text-align: center;
    width: 180px;
    transition: all 0.3s ease;
}
#catalogue-section .staff-member:hover {
    transform: translateY(-10px);
}
#catalogue-section .staff-member img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--jaune-sombre);
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}
#catalogue-section .staff-member:hover img {
    border-color: var(--marron-nuit);
    transform: rotate(5deg);
}
/* Contact info */
.contact-info {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 2px dashed var(--marron-nuit);
    background-color: var(--jaune-sombre);
    padding: 20px;
    border-radius: 10px;
    color: var(--marron-nuit);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}
.contact-info:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.contact-info a {
    color: var(--marron-nuit);
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}
.contact-info a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--marron-nuit);
    transition: width 0.3s ease;
}
.contact-info a:hover {
    color: #3E2723;
}
.contact-info a:hover::after {
    width: 100%;
}
.highlight-box {
    background-color: var(--marron-nuit);
    color: var(--jaune-sombre);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin: 25px 0;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.highlight-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}
/* Form elements */
.form-group {
    margin-bottom: 20px;
}
label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--marron-nuit);
    transition: all 0.3s ease;
}
input[type="text"],
input[type="date"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--marron-clair);
    border-radius: 6px;
    box-sizing: border-box;
    background-color: var(--beige);
    font-size: 16px;
    transition: all 0.3s ease;
}
input[type="text"]:focus,
input[type="date"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    border-color: var(--marron-nuit);
    outline: none;
    box-shadow: 0 0 0 3px rgba(93, 64, 55, 0.2);
}
/* Sections */
.section-content {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.section-content.active {
    display: block;
}
/* Founder message */
.founder-message {
    background-color: var(--marron-nuit);
    color: var(--jaune-clair);
    padding: 30px;
    border-radius: 10px;
    margin: 30px 0;
    display: flex;
    align-items: center;
    gap: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}
.founder-message:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}
.founder-message img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--jaune-sombre);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}
.founder-text {
    flex: 1;
}
.founder-text h3 {
    color: var(--jaune-sombre);
    margin-bottom: 15px;
    font-size: 1.5rem;
    position: relative;
    display: inline-block;
}
.founder-text h3::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background: var(--jaune-sombre);
    bottom: -5px;
    left: 0;
    border-radius: 3px;
}
.founder-text p {
    font-style: italic;
    line-height: 1.7;
}
.founder-text .signature {
    text-align: right;
    margin-top: 15px;
    font-weight: bold;
    font-family: 'Brush Script MT', cursive;
    font-size: 1.3rem;
    color: var(--jaune-sombre);
}
/* CTA Buttons */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
    flex-wrap: wrap;
}
.cta-button {
    display: inline-block;
    padding: 18px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    text-align: center;
    min-width: 250px;
    position: relative;
    overflow: hidden;
}
.cta-button.primary {
    background-color: var(--marron-nuit);
    color: var(--jaune-sombre);
    border: 2px solid var(--marron-nuit);
}
.cta-button.secondary {
    background-color: var(--jaune-sombre);
    color: var(--marron-nuit);
    border: 2px solid var(--jaune-sombre);
}
.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.3);
}
.cta-button.primary:hover {
    background-color: #3E2723;
    color: var(--jaune-clair);
}
.cta-button.secondary:hover {
    background-color: #FFD54F;
    color: var(--marron-nuit);
}
.cta-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}
.cta-button:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}
@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}
/* Stats */
.stats-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
    margin: 40px 0;
}
.stat-item {
    text-align: center;
    flex: 1;
    min-width: 200px;
    padding: 25px;
    background-color: var(--blanc);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}
.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}
.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--marron-nuit);
    margin-bottom: 10px;
    display: block;
}
.stat-label {
    color: var(--marron-clair);
    font-weight: 500;
}
/* Footer */
footer {
    background-color: var(--marron-nuit);
    color: white;
    padding: 40px 0 20px;
    margin-top: 50px;
    position: relative;
}
footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--jaune-sombre), var(--marron-clair), var(--jaune-sombre));
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.footer-column h3 {
    color: var(--jaune-sombre);
    margin-bottom: 20px;
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 10px;
}
.footer-column h3::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    background: var(--jaune-sombre);
    bottom: 0;
    left: 0;
}
.footer-column ul {
    list-style: none;
}
.footer-column ul li {
    margin-bottom: 12px;
    transition: transform 0.3s ease;
}
.footer-column ul li:hover {
    transform: translateX(5px);
}
.footer-column a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    display: inline-block;
    padding: 3px 0;
}
.footer-column a:hover {
    color: var(--jaune-sombre);
}
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    font-size: 20px;
    transition: all 0.3s ease;
}
.social-links a:hover {
    background-color: var(--jaune-sombre);
    color: var(--marron-nuit);
    transform: translateY(-3px);
}
.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}
/* Responsive */
@media (max-width: 992px) {
    .founder-message {
        flex-direction: column;
        text-align: center;
    }
    .founder-text h3::after {
        left: 25%;
        width: 50%;
    }
    .founder-text .signature {
        text-align: center;
    }
}
@media (max-width: 768px) {
    .logo-container {
        flex-direction: column;
    }
    .founder-img, .students-img {
        max-width: 100px;
        margin: 10px 0;
    }
    nav ul {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--marron-nuit);
        padding: 15px 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.2);
    }
    nav ul.active {
        display: flex;
    }
    nav li {
        margin: 10px 0;
        text-align: center;
    }
    nav li::after {
        display: none;
    }
    .hamburger {
        display: block;
    }
    .logo-mobile {
        display: block;
    }
    .logo-desktop {
        display: none;
    }
    #catalogue-section .programme-item {
        flex: 1 1 100%;
    }
    #catalogue-section .gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .cta-button {
        width: 100%;
        max-width: 300px;
    }
    .founder-message img {
        width: 120px;
        height: 120px;
    }
}
@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    .subtitle {
        font-size: 1.1rem;
    }
    #formulaire-section .form-container {
        padding: 20px;
    }
    .founder-message {
        padding: 20px;
    }
}