/* ── Base & Utilities ── */
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        overflow-x: hidden;
    }

    ::selection {
        background-color: rgba(16, 185, 129, 0.2);
        color: #064e3b;
    }

    /* ── Scroll Reveal ── */
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    /* ── Hero Animations ── */
    .hero-anim {
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .hero-anim.animated {
        opacity: 1;
        transform: translateY(0);
    }

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

    #navbar.scrolled {
        background-color: rgba(253, 248, 240, 0.92);
        backdrop-filter: blur(20px);
        box-shadow: 0 1px 0 rgba(6, 78, 59, 0.06);
    }

    #navbar.scrolled .nav-link {
        color: rgba(6, 78, 59, 0.7);
    }

    #navbar.scrolled .menu-line {
        background-color: #064e3b;
    }

    /* ── Mobile Menu ── */
    #mobile-menu.open {
        opacity: 1;
        pointer-events: all;
    }

    #mobile-menu.closed {
        opacity: 0;
        pointer-events: none;
    }

    .mobile-link {
        opacity: 0;
        transform: translateY(10px);
        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: 0.15s; }
    #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
    #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
    #mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

    /* ── Hamburger ── */
    #menu-btn.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(3px, 3px);
    }

    #menu-btn.active .menu-line:nth-child(2) {
        opacity: 0;
    }

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

    /* ── Scroll Indicator ── */
    .scroll-indicator {
        animation: float 2.5s ease-in-out infinite;
    }

    @keyframes float {
        0%, 100% { transform: translate(-50%, 0); }
        50% { transform: translate(-50%, 8px); }
    }

    /* ── Room Cards ── */
    .scroll-reveal:nth-child(1) { transition-delay: 0s; }
    .scroll-reveal:nth-child(2) { transition-delay: 0.12s; }
    .scroll-reveal:nth-child(3) { transition-delay: 0.24s; }

    /* ── Form Focus States ── */
    input:focus, textarea:focus {
        border-color: #6ee7b7 !important;
    }

    /* ── Image Lazy Load Fallback ── */
    img {
        loading: lazy;
    }

    /* ── Reduced Motion ── */
    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
        }
        html { scroll-behavior: auto; }
        .scroll-reveal { opacity: 1; transform: none; }
    }

    /* ── Tablet ── */
    @media (max-width: 768px) {
        .font-serif {
            line-height: 1.1;
        }
    }