/* ── Base & Reset ── */
    *, *::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-color: rgba(4, 120, 87, 0.2);
        color: #064e3b;
    }

    /* ── Scrollbar ── */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #fefdf8;
    }
    ::-webkit-scrollbar-thumb {
        background: #a7f3d0;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #34d399;
    }

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

    #navbar.scrolled {
        background: rgba(254, 253, 248, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        box-shadow: 0 1px 0 rgba(6, 78, 59, 0.06);
    }

    #navbar.scrolled .nav-logo {
        color: #064e3b;
    }

    #navbar.scrolled nav a:not(.bg-emerald-700) {
        color: #065f46;
    }

    #navbar.scrolled nav a:not(.bg-emerald-700):hover {
        color: #059669;
    }

    /* ── Stat Cards ── */
    .stat-card {
        animation: float 6s ease-in-out infinite;
    }

    .stat-card:nth-child(2) {
        animation-delay: -1.5s;
    }

    .stat-card:nth-child(3) {
        animation-delay: -3s;
    }

    .stat-card:nth-child(4) {
        animation-delay: -4.5s;
    }

    @keyframes float {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-10px); }
    }

    /* ── Service Cards ── */
    .service-card {
        will-change: transform;
    }

    .service-card:hover {
        transform: translateY(-4px);
    }

    /* ── Gallery Items ── */
    .gallery-item {
        height: 240px;
    }

    .gallery-item.row-span-2 {
        height: 504px;
    }

    @media (min-width: 1024px) {
        .gallery-item {
            height: 200px;
        }
        .gallery-item.row-span-2 {
            height: 420px;
        }
    }

    /* ── Mobile Menu ── */
    .mobile-menu-open #menu-toggle #bar1 {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-menu-open #menu-toggle #bar2 {
        opacity: 0;
    }
    .mobile-menu-open #menu-toggle #bar3 {
        transform: rotate(-45deg) translate(5px, -5px);
        width: 1.5rem;
    }

    /* ── Scroll Reveal (progressive enhancement) ── */
    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(32px);
            transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
        .reveal-delay-4 { transition-delay: 0.4s; }
    }

    /* Fallback: ensure content is visible without JS */
    .reveal {
        opacity: 1;
        transform: none;
    }

    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            opacity: 0;
            transform: translateY(32px);
        }
    }

    /* ── Form Select Arrow ── */
    select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23065f46' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 1rem center;
        padding-right: 2.5rem;
    }