/* --- Variables & Reset --- */
:root {
    --primary-dark: #0f131f; /* Le bleu nuit très foncé du site */
    --accent-gold: #c29560;  /* La couleur or/bronze */
    --text-light: #f4f4f4;
    --text-dark: #333333;
    --bg-light: #f9f9f9;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    transition: 0.3s;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 400;
}

/* --- Navigation --- */
.navbar {
    position: absolute;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 3rem;
    z-index: 10;
}

.logo {
    font-family: var(--font-heading);
    color: var(--accent-gold);
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links a {
    color: #fff;
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-left: 2rem;
    letter-spacing: 1px;
}

.nav-links .btn-nav {
    background-color: var(--accent-gold);
    padding: 10px 20px;
    color: #fff;
}

.nav-links .btn-nav:hover {
    background-color: #a87e4d;
}

/* --- Hero Section --- */
.hero {
    display: flex;
    min-height: 100vh;
    background-color: var(--primary-dark);
}

.hero-image {
    width: 50%;
    position: relative;
    overflow: hidden;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.hero-content {
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 6rem;
    background-color: var(--primary-dark);
    color: var(--text-light);
    position: relative;
}

.big-title {
    font-family: var(--font-heading);
    font-size: 6rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    line-height: 1;
}

.big-title .gold { color: var(--accent-gold); }
.big-title .white { color: #fff; }

.hero-text p {
    font-size: 0.95rem;
    margin-bottom: 2rem;
    color: #ccc;
    max-width: 500px;
}

.link-gold {
    color: var(--accent-gold);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    border-bottom: 1px solid transparent;
}

.link-gold:hover {
    border-bottom: 1px solid var(--accent-gold);
}

/* --- About Section --- */
.section-about {
    padding: 6rem 10%;
    background-color: #fff;
}

.about-container {
    display: flex;
    gap: 4rem;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #666;
    font-size: 0.9rem;
}

.btn-gold {
    display: inline-block;
    background-color: var(--accent-gold);
    color: #fff;
    padding: 12px 30px;
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-top: 1rem;
}

.about-gallery {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
}

.about-gallery .grid-item {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    cursor: zoom-in;
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.about-gallery .grid-item:hover img {
    transform: scale(1.05);
}

/* --- Services Split --- */
.services-split {
    display: flex;
    min-height: 500px;
}

.service-box {
    width: 50%;
    padding: 5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-box h3 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

/* Partie gauche (Mentorat) */
.service-box.light {
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.service-box.light p {
    max-width: 350px;
    color: #666;
}

/* Partie droite (Animation) */
.service-box.dark-bg {
    background-image: url('https://images.unsplash.com/photo-1556761175-5973dc0f32e7?ixlib=rb-4.0.3&auto=format&fit=crop&w=1000&q=80');
    background-size: cover;
    background-position: center;
    position: relative;
    color: #fff;
}

.service-box.dark-bg .overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 19, 31, 0.85); /* Overlay sombre */
}

.service-box.dark-bg .content {
    position: relative;
    z-index: 2;
}

.gold-text {
    color: var(--accent-gold);
}

/* --- Contact Section --- */
.section-contact {
    text-align: center;
    padding: 6rem 2rem;
    background-color: #fff;
}

.section-contact .subtitle {
    display: block;
    color: var(--accent-gold);
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-contact h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

.section-contact p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Footer --- */
footer {
    background-color: var(--primary-dark);
    color: #fff;
    padding: 4rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-btn {
    background-color: rgba(255,255,255,0.05);
    padding: 15px 30px;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 200px;
}

.footer-btn:hover {
    background-color: rgba(255,255,255,0.1);
}

.footer-btn small {
    color: var(--accent-gold);
    font-size: 0.6rem;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.copyright {
    font-size: 0.7rem;
    color: #666;
    text-transform: uppercase;
}

.socials {
    font-size: 1.5rem;
}

.socials a {
    color: var(--accent-gold);
    margin: 0 10px;
}

/* --- Responsive Mobile --- */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    .nav-links {
        display: none; /* Simplification pour mobile */
    }
    
    .hero {
        flex-direction: column;
    }
    .hero-image, .hero-content {
        width: 100%;
    }
    .hero-image {
        height: 50vh;
    }
    .big-title {
        font-size: 4rem;
    }
    
    .about-container {
        flex-direction: column;
    }
    
    .services-split {
        flex-direction: column;
    }
    .service-box {
        width: 100%;
        padding: 3rem 2rem;
    }
    
    .footer-links {
        flex-direction: column;
    }
}