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

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

    body {
        overflow-x: hidden;
    }

    ::selection {
        background: rgba(26, 95, 95, 0.2);
        color: #1a5f5f;
    }

    /* ─── Navigation ─── */
    #navbar {
        background: transparent;
    }

    #navbar.scrolled {
        background: rgba(10, 35, 35, 0.95);
        backdrop-blur-lg;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
    }

    #navbar.scrolled .nav-text {
        color: #fff !important;
    }

    .nav-link {
        position: relative;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 2px;
        background: #89c4be;
        transition: width 0.3s ease;
    }

    .nav-link:hover::after {
        width: 100%;
    }

    #navbar.scrolled .nav-link {
        color: rgba(255, 255, 255, 0.8) !important;
    }

    #navbar.scrolled .nav-link:hover {
        color: #fff !important;
    }

    /* ─── Hero ─── */
    .hero-bg {
        will-change: transform;
    }

    .hero-content {
        opacity: 0;
        transform: translateY(40px);
        animation: heroReveal 1s ease forwards 0.3s;
    }

    @keyframes heroReveal {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* ─── Reveal Animations ─── */
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }

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

    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
    .reveal:nth-child(5) { transition-delay: 0.4s; }
    .reveal:nth-child(6) { transition-delay: 0.5s; }

    /* ─── Mobile Menu ─── */
    #mobile-menu {
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .mobile-link {
        display: block;
    }

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

    ::-webkit-scrollbar-track {
        background: #f6f7f8;
    }

    ::-webkit-scrollbar-thumb {
        background: #b0b4bc;
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: #8a919c;
    }

    /* ─── Focus Styles ─── */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid #3d8b80;
        outline-offset: 2px;
    }

    /* ─── Print ─── */
    @media print {
        #navbar, .reveal {
            opacity: 1 !important;
            transform: none !important;
        }
        .hero-bg img {
            display: none;
        }
    }