/* ─── Custom Properties ─── */
    :root {
        --burgundy-700: #781F2E;
        --burgundy-900: #3d0c14;
        --blush-300: #FFD4BE;
        --cream: #FFF8F5;
        --warmgray: #4A4240;
    }

    /* ─── Base & Typography ─── */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

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

    body {
        font-family: 'Inter', system-ui, sans-serif;
        color: var(--warmgray);
        background-color: var(--cream);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

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

    #navbar.scrolled {
        background: rgba(255, 248, 245, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 1px 0 rgba(120, 31, 46, 0.08);
    }

    /* ─── Section Labels ─── */
    .section-label {
        display: inline-block;
        font-size: 0.7rem;
        font-weight: 700;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--burgundy-700);
        position: relative;
        padding-left: 2.5rem;
    }

    .section-label::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 1.5rem;
        height: 1px;
        background: var(--burgundy-700);
    }

    /* ─── Section Headings ─── */
    .section-heading {
        font-family: 'Playfair Display', Georgia, serif;
        font-size: clamp(2rem, 4vw, 3.25rem);
        font-weight: 700;
        color: var(--burgundy-900);
        line-height: 1.1;
        letter-spacing: -0.02em;
    }

    /* ─── Floating Cards Animation ─── */
    .floating-card {
        animation: float 6s ease-in-out infinite;
    }

    .floating-card:nth-child(2) {
        animation-delay: -2s;
        animation-duration: 7s;
    }

    .floating-card:nth-child(3) {
        animation-delay: -4s;
        animation-duration: 5.5s;
    }

    @keyframes float {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-12px); }
    }

    /* ─── Scroll Line Animation ─── */
    .animate-scroll-line {
        animation: scrollLine 2s ease-in-out infinite;
    }

    @keyframes scrollLine {
        0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
        50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
        51% { transform-origin: bottom; }
        100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
    }

    /* ─── Card Hover ─── */
    .card-hover {
        transition: transform 0.3s ease;
    }

    .card-hover:hover {
        transform: translateY(-2px);
    }

    /* ─── Menu Tabs ─── */
    .menu-tab {
        color: var(--warmgray);
        background: transparent;
        border: none;
        cursor: pointer;
    }

    .menu-tab.active {
        background: var(--burgundy-700);
        color: white;
        box-shadow: 0 4px 12px rgba(120, 31, 46, 0.3);
    }

    .menu-tab:not(.active):hover {
        background: var(--burgundy-50);
        color: var(--burgundy-700);
    }

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

    .mobile-link {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 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; }

    /* ─── Menu Lines Animation ─── */
    .menu-line {
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    #menu-toggle.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }

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

    #menu-toggle.active .menu-line:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
        width: 1.25rem;
    }

    /* ─── Reveal Animation ─── */
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal.visible {
        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; }

    /* ─── Nav Links ─── */
    .nav-link {
        position: relative;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 1.5px;
        background: var(--burgundy-700);
        transition: width 0.3s ease;
    }

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

    /* ─── Responsive ─── */
    @media (max-width: 768px) {
        html {
            scroll-padding-top: 70px;
        }

        .floating-card:nth-child(3) {
            display: none;
        }
    }

    @media (max-width: 640px) {
        .floating-card {
            display: none;
        }

        .floating-card:nth-child(1) {
            display: block;
            position: relative;
            margin-top: 1rem;
            animation: none;
        }
    }