:root {
            --primary-color: #0f2038; /* Bleu Nuit Royal */
            --secondary-color: #c5a880; /* Or / Doré */
            --text-dark: #2d3748;
            --bg-light: #f8f9fa;
        }

        body {
            font-family: 'Segoe UI', Arial, sans-serif;
            color: var(--text-dark);
            overflow-x: hidden;
        }

        /* Couleurs Thème */
        .text-gold { color: var(--secondary-color) !important; }
        .bg-navy { background-color: var(--primary-color) !important; }
        .bg-gold { background-color: var(--secondary-color) !important; }
        .btn-navy {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }

        /* logo */
        .img-logo {
            height: 80px;
            width: auto;
        }
        .navbar {
            background-color: var(--primary-color);
            border-bottom: 3px solid var(--secondary-color);
        }

        /* Navigation */
        .navbar {
            background-color: var(--primary-color);
            border-bottom: 3px solid var(--secondary-color);
        }
        .navbar-nav .nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            transition: color 0.3s;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--secondary-color) !important;
        }

        /* Hero Header */
        .hero-section {
            background: linear-gradient(rgba(15, 32, 56, 0.85), rgba(15, 32, 56, 0.9)), url('https://images.unsplash.com/photo-1534241320-390dc3891c38?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            padding: 160px 0 120px 0;
            color: white;
        }

        /* Sections */
        section { padding: 80px 0; }
        .section-title {
            position: relative;
            margin-bottom: 50px;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background-color: var(--secondary-color);
        }

        /* Cartes Expertises */
        .expertise-card {
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 30px;
            transition: all 0.3s ease;
            height: 100%;
        }
        .expertise-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.08);
            border-color: var(--secondary-color);
        }
        .expertise-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }

        /* Équipe Avocats */
        .team-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            border: 1px solid #e2e8f0;
        }
        .team-img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            background-color: #cbd5e1;
        }

        /* Bouton WhatsApp Flottant */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: #25d366;
            color: white;
            border-radius: 50px;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
            z-index: 1000;
            transition: transform 0.3s;
        }
        .whatsapp-float:hover {
            color: white;
            transform: scale(1.1);
        }