/* Custom animations and styles */
        .fade-in {
            animation: fadeIn 0.5s ease-in-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .hero-pattern {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        
        .product-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .active-nav {
            border-bottom: 2px solid #667eea;
        }