body {
            box-sizing: border-box;
        }
        
        .font-montserrat { font-family: 'Montserrat', sans-serif; }
        .font-inter { font-family: 'Inter', sans-serif; }
        
        .gradient-bg {
            background: linear-gradient(135deg, #FAFAFA 0%, #F5F5F5 100%);
        }
        
        .hero-gradient {
            background: linear-gradient(135deg, #F5FFFF 0%, #E0FFFF 100%);
        }
        
        .floating-animation {
            animation: float 6s ease-in-out infinite;
        }
        
        .pulse-glow {
            animation: pulse-glow 2s infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }
        
        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 20px rgba(0, 217, 255, 0.3); }
            50% { box-shadow: 0 0 30px rgba(0, 217, 255, 0.6); }
        }
        
        .typewriter {
            overflow: hidden;
            border-right: 3px solid #00D9FF;
            white-space: nowrap;
            animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
        }
        
        @keyframes typing {
            from { width: 0; }
            to { width: 100%; }
        }
        
        @keyframes blink-caret {
            from, to { border-color: transparent; }
            50% { border-color: #00D9FF; }
        }
        
        .card-hover {
            transition: all 0.3s ease;
        }
        
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .btn-glow:hover {
            box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
            transform: translateY(-2px);
        }
        
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .page {
            display: none;
        }
        
        .page.active {
            display: block;
        }
        
        .navbar-sticky {
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.9);
        }
        
        .product-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 217, 255, 0.9);
            opacity: 0;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
        }
        
        .product-card:hover .product-overlay {
            opacity: 1;
        }
        
        .floating-icons {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            pointer-events: none;
        }
        
        .floating-icon {
            position: absolute;
            opacity: 0.1;
            animation: float-random 8s infinite linear;
        }
        
        @keyframes float-random {
            0% { transform: translateY(100vh) rotate(0deg); }
            100% { transform: translateY(-100px) rotate(360deg); }
        }