:root {
            --primary-yellow: #FFEA0F;
            --dark-bg: #121212;
            --dark-card: #1e1e1e;
            --text-light: #f8f9fa;
        }

        body {
            background-color: var(--dark-bg);
            color: var(--text-light);
            font-family: 'Poppins', sans-serif;
            scroll-behavior: smooth;
        }

        /* Classes utilitaires personnalisées */
        .text-yellow {
            color: var(--primary-yellow) !important;
        }
        .bg-yellow {
            background-color: var(--primary-yellow) !important;
            color: #121212 !important;
        }
        .border-yellow {
            border-color: var(--primary-yellow) !important;
        }

        /* Boutons */
        .btn-custom {
            background-color: var(--primary-yellow);
            color: #121212;
            font-weight: 700;
            border: 2px solid var(--primary-yellow);
            transition: all 0.3s ease;
        }
        .btn-custom:hover {
            background-color: transparent;
            color: var(--primary-yellow);
            border: solid 2px;
        }
        .btn-outline-custom {
            background-color: transparent;
            color: var(--primary-yellow);
            font-weight: 700;
            border: 2px solid var(--primary-yellow);
            transition: all 0.3s ease;
        }
        .btn-outline-custom:hover {
            background-color: var(--primary-yellow);
            color: #121212;
            border: solid 2px;

        }

        /* Navigation */
        .navbar {
            background-color: rgba(18, 18, 18, 0.95);
            border-bottom: 2px solid var(--primary-yellow);
        }
        .navbar-brand {
            font-weight: 800;
            letter-spacing: 1px;
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-yellow) !important;
        }

        /* Section Hero */
        .hero {
            padding: 150px 0 100px 0;
            background: linear-gradient(180deg, rgba(18,18,18,0.8) 0%, rgba(18,18,18,1) 100%), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?q=80&w=1920&auto=format&fit=crop') no-repeat center center/cover;
        }

        /* Sections communes */
        section {
            padding: 80px 0;
        }

        /* Cartes (Cards) */
        .card-custom {
            background-color: var(--dark-card);
            border: 1px solid #333;
            transition: transform 0.3s, border-color 0.3s;
        }
        .card-custom:hover {
            transform: translateY(-5px);
            border-color: var(--primary-yellow);
        }

        /* Formulaire */
        .form-control {
            background-color: var(--dark-card);
            border: 1px solid #333;
            color: var(--text-light);
        }
        .form-control:focus {
            background-color: var(--dark-card);
            border-color: var(--primary-yellow);
            color: var(--text-light);
            box-shadow: 0 0 0 0.25rem rgba(255, 234, 15, 0.25);
        }

        /* Réseaux Sociaux */
        .social-btn {
            font-size: 24px;
            width: 60px;
            height: 60px;
            line-height: 60px;
            text-align: center;
            border-radius: 50%;
            display: inline-block;
            margin: 10px;
            background-color: var(--dark-card);
            color: var(--text-light);
            transition: all 0.3s;
            border: 1px solid #333;
        }
        .social-btn:hover {
            color: #121212;
            background-color: var(--primary-yellow);
            transform: scale(1.1);
        }