*, *::before, *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        overflow-x: hidden;
    }

    /* Floating card animations */
    @keyframes float-1 {
        0%, 100% { transform: translateY(0px) rotate(0deg); }
        50% { transform: translateY(-16px) rotate(1deg); }
    }

    @keyframes float-2 {
        0%, 100% { transform: translateY(0px) rotate(0deg); }
        50% { transform: translateY(-12px) rotate(-1deg); }
    }

    @keyframes float-3 {
        0%, 100% { transform: translateY(0px) rotate(0deg); }
        50% { transform: translateY(-20px) rotate(0.5deg); }
    }

    .floating-card-1 {
        animation: float-1 6s ease-in-out infinite;
    }

    .floating-card-2 {
        animation: float-2 7s ease-in-out infinite;
    }

    .floating-card-3 {
        animation: float-3 5s ease-in-out infinite;
    }

    /* Marquee animation */
    @keyframes marquee {
        0% { transform: translateX(0%); }
        100% { transform: translateX(-50%); }
    }

    .marquee-track {
        animation: marquee 30s linear infinite;
    }

    /* Product card hover */
    .product-card {
        transform: translateY(0);
        transition: transform 0.4s ease, box-shadow 0.4s ease;
    }

    .product-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 25px 60px rgba(212, 160, 23, 0.1);
    }

    /* Mobile menu transitions */
    .mobile-link {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
    }

    #mobile-menu.open .mobile-link {
        opacity: 1;
        transform: translateY(0);
    }

    #mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
    #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.2s; }
    #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.3s; }

    /* Menu line animation */
    #menu-toggle.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    #menu-toggle.active .menu-line:nth-child(2) {
        opacity: 0;
        transform: translateX(10px);
    }

    #menu-toggle.active .menu-line:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
        width: 1.5rem;
    }

    /* Navbar background on scroll */
    #navbar.scrolled {
        background: rgba(10, 15, 30, 0.95);
        backdrop-filter: blur(20px);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
    }

    /* Scroll reveal (progressive enhancement) */
    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .reveal.revealed {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @media (prefers-reduced-motion: reduce) {
        .reveal {
            opacity: 1;
            transform: none;
        }
    }

    /* Custom scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }

    ::-webkit-scrollbar-track {
        background: #0a0f1e;
    }

    ::-webkit-scrollbar-thumb {
        background: #334155;
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: #d4a017;
    }

    /* Selection color */
    ::selection {
        background: rgba(212, 160, 23, 0.3);
        color: #f0d060;
    }

    /* Focus styles */
    a:focus-visible, button:focus-visible {
        outline: 2px solid #d4a017;
        outline-offset: 4px;
        border-radius: 4px;
    }