/* --- Variables & Reset --- */
:root {
    --primary-red: #e63946;  /* Rouge Lasotel */
    --dark-bg: #1a1a1a;     /* Anthracite foncé */
    --text-color: #333;
    --light-gray: #f4f4f9;
    --white: #ffffff;
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    scroll-behavior: smooth;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Navigation --- */
header {
    background: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.nav-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    height: 45px;
    width: auto;
    display: block;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark-bg);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--primary-red);
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(26, 26, 26, 0.85), rgba(26, 26, 26, 0.85)), 
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1500&q=80');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 120px 0;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero p {
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 300;
}

/* --- Sections Générales --- */
.section {
    padding: 90px 0;
}

.bg-light {
    background: var(--light-gray);
}

h2 {
    font-size: 2.2rem;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.text-center { text-align: center; }

.separator {
    width: 60px;
    height: 4px;
    background: var(--primary-red);
    border: none;
    margin-bottom: 30px;
}

/* --- Grilles & Layouts --- */
.grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.stat-card {
    background: var(--dark-bg);
    color: var(--white);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    border-bottom: 6px solid var(--primary-red);
}

.stat-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-red);
}

.stat-label {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
}

/* --- Filiales --- */
.subsidiary-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.subsidiary-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    max-width: 700px;
    border: 1px solid #eee;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.badge {
    background: var(--primary-red);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
}

.btn-link {
    display: inline-block;
    margin-top: 20px;
    color: var(--primary-red);
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s;
}

.btn-link:hover {
    transform: translateX(5px);
}

/* --- Contact & Legal --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info address {
    font-style: normal;
    font-size: 1.1rem;
    margin-top: 20px;
}

.legal-summary {
    background: var(--light-gray);
    padding: 30px;
    border-radius: 8px;
}

.legal-summary h3 { margin-bottom: 20px; font-size: 1.2rem; }

.legal-summary ul {
    list-style: none;
}

.legal-summary ul li {
    margin-bottom: 10px;
    font-size: 0.95rem;
    padding-bottom: 8px;
    border-bottom: 1px solid #ddd;
}

/* --- Footer --- */
footer {
    background: #111;
    color: #999;
    padding: 50px 0;
    font-size: 0.85rem;
}

.footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer strong { color: var(--white); }

/* --- Responsive --- */
@media (max-width: 768px) {
    .grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero h1 { font-size: 2.2rem; }
    .footer-flex {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
}