:root {
            --primary: #1e40af;
            --primary-light: #3b82f6;
            --primary-dark: #1e3a8a;
            --accent: #dc2626;
            --light-blue: #eff6ff;
            --gold: #f59e0b;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }
        
        body {
            overflow-x: hidden;
            color: #333;
            background-color: #fff;
        }
        
        /* Navbar Styles */
        .navbar {
            transition: all 0.4s ease;
            padding: 1rem 0;
            background: var(--primary);
        }
        
        .navbar.scrolled {
            background: var(--primary);
            padding: 0.5rem 0;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: white;
            display: flex;
            align-items: center;
        }
        
        .logo {
            width: 40px;
            height: 40px;
            margin-right: 10px;
            border-radius: 8px;
        }
        
        .nav-link {
            font-weight: 500;
            margin: 0 0.5rem;
            color: rgba(255, 255, 255, 0.9) !important;
            transition: color 0.3s;
        }
        
        .nav-link:hover, .nav-link.active {
            color: white !important;
        }

        /* Contact Page */
        .contact-page {
            padding: 8rem 0 6rem;
            background: var(--light-blue);
        }
        
        .contact-form {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        
        .form-control {
            padding: 0.8rem 1rem;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }
        
        .contact-info {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: white;
            padding: 3rem;
            border-radius: 15px;
            height: 100%;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
        }
        
        .contact-icon {
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            font-size: 1.2rem;
        }
        
        .btn-primary {
            background: var(--primary);
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 500;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
            color: white;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(30, 64, 175, 0.4);
            background: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 500;
            transition: all 0.3s ease;
            color: white;
            box-shadow: 0 5px 15px rgba(220, 38, 38, 0.3);
        }
        
        .btn-accent:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(220, 38, 38, 0.4);
        }
        
        /* Messages d'alerte */
        .alert {
            border-radius: 10px;
            border: none;
            padding: 1rem 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .alert-success {
            background-color: #d1fae5;
            color: #065f46;
            border-left: 4px solid #10b981;
        }
        
        .alert-error {
            background-color: #fee2e2;
            color: #991b1b;
            border-left: 4px solid #ef4444;
        }
        
        /* Footer Premium */
        .footer-premium {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: white;
            padding: 4rem 0 0;
        }
        
        .footer-logo {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--primary-light), var(--gold));
            -webkit-text-fill-color: transparent;
        }
        
        .footer-links h5 {
            color: white;
            margin-bottom: 1.5rem;
            font-weight: 600;
            position: relative;
        }
        
        .footer-links h5::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary-light);
        }
        
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
        }
        
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .footer-links a i {
            margin-right: 0.5rem;
            font-size: 0.9rem;
        }
        
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        
        .social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .social-link:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
        }
        
        .footer-bottom {
            background: rgba(0, 0, 0, 0.3);
            padding: 2rem 0;
            margin-top: 3rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }
        
        .section-title p {
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .contact-form {
                padding: 2rem;
            }
            
            .contact-info {
                padding: 2rem;
                margin-top: 2rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
        }