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

    html {
        scroll-behavior: smooth;
        scroll-padding-top: 80px;
    }

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

    ::selection {
        background: rgba(13, 148, 136, 0.4);
        color: #f1f5f9;
    }

    /* ── Navbar ─────────────────────────────────────────────── */
    #navbar {
        background: transparent;
        transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
    }

    #navbar.scrolled {
        background: rgba(8, 13, 24, 0.85);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05), 0 4px 24px rgba(0, 0, 0, 0.3);
    }

    /* ── Hero Orbs ──────────────────────────────────────────── */
    @media (prefers-reduced-motion: no-preference) {
        .hero-orb-1 {
            animation: float-orb 8s ease-in-out infinite;
        }
        .hero-orb-2 {
            animation: float-orb 10s ease-in-out infinite reverse;
        }
        .hero-orb-3 {
            animation: float-orb 12s ease-in-out infinite;
            animation-delay: -3s;
        }
    }

    @keyframes float-orb {
        0%, 100% { transform: translate(0, 0) scale(1); }
        33% { transform: translate(30px, -20px) scale(1.05); }
        66% { transform: translate(-20px, 15px) scale(0.95); }
    }

    /* ── Scroll Reveal ──────────────────────────────────────── */
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

    /* Reduced motion: disable transitions entirely */
    @media (prefers-reduced-motion: reduce) {
        .reveal {
            transition: none;
        }
        .hero-orb {
            animation: none;
        }
        html {
            scroll-behavior: auto;
        }
    }

    /* ── Service Cards ──────────────────────────────────────── */
    .service-card {
        transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                    box-shadow 0.4s ease,
                    border-color 0.4s ease,
                    background 0.4s ease;
    }

    .service-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 60px -20px rgba(13, 148, 136, 0.15);
    }

    /* ── Mobile Menu ────────────────────────────────────────── */
    #mobile-menu {
        animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .mobile-link {
        display: block;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .mobile-link:last-child {
        border-bottom: none;
    }

    /* ── Form Styles ────────────────────────────────────────── */
    input:focus,
    select:focus,
    textarea:focus {
        outline: none;
    }

    /* ── Utility ────────────────────────────────────────────── */
    .gold-gradient-text {
        background: linear-gradient(135deg, #fbbf24, #f59e0b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    /* ── Custom Scrollbar ───────────────────────────────────── */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #080d18;
    }
    ::-webkit-scrollbar-thumb {
        background: #1e293b;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #334155;
    }