/* Base & Resets */
    *, *::before, *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        margin: 0;
        overflow-x: hidden;
    }

    ::selection {
        background: rgba(251, 191, 36, 0.25);
        color: #fbbf24;
    }

    /* Scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #040810;
    }
    ::-webkit-scrollbar-thumb {
        background: #1e365c;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #fbbf24;
    }

    /* Navbar scroll state */
    #navbar.scrolled {
        background: rgba(4, 8, 16, 0.92);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(251, 191, 36, 0.08);
        box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
    }

    #navbar.scrolled .font-display {
        color: #fbbf24;
    }

    /* Hero animations */
    .hero-badge {
        opacity: 0;
        animation: fadeInDown 0.8s ease forwards;
        animation-delay: 0.2s;
    }

    .hero-headline {
        opacity: 0;
        animation: fadeInUp 1s ease forwards;
        animation-delay: 0.5s;
    }

    .hero-subtitle {
        opacity: 0;
        animation: fadeInUp 1s ease forwards;
        animation-delay: 0.8s;
    }

    .hero-cta {
        opacity: 0;
        animation: fadeInUp 1s ease forwards;
        animation-delay: 1.1s;
    }

    @keyframes fadeInDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Scroll reveal (progressive enhancement — only active with JS) */
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
    }

    @media (prefers-reduced-motion: no-preference) {
        .reveal-up {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .reveal-left {
            opacity: 0;
            transform: translateX(-40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .reveal-right {
            opacity: 0;
            transform: translateX(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .reveal-up.revealed,
        .reveal-left.revealed,
        .reveal-right.revealed {
            opacity: 1;
            transform: translate(0, 0);
        }
    }

    /* Gold shimmer on hover for cards */
    .group:hover .group-hover\:text-gold-400 {
        color: #fbbf24;
    }

    /* Mobile menu transitions */
    #mobile-menu {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
    }

    #mobile-menu.open {
        max-height: 400px;
        padding-top: 0;
    }

    /* Gold gradient text utility */
    .text-gold-gradient {
        background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 50%, #d97706 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    /* Image lazy loading placeholder */
    img {
        background: linear-gradient(135deg, #0f1f3a 0%, #0a1628 100%);
    }

    /* Focus styles */
    a:focus-visible,
    button:focus-visible {
        outline: 2px solid #fbbf24;
        outline-offset: 4px;
        border-radius: 4px;
    }

    /* Parallax hero subtle movement */
    @media (prefers-reduced-motion: no-preference) {
        #hero {
            will-change: transform;
        }
    }