*, *::before, *::after {
        box-sizing: border-box;
    }

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

    body {
        overflow-x: hidden;
    }

    /* Scroll indicator animation */
    .scroll-dot {
        animation: scrollBounce 2s ease-in-out infinite;
    }

    @keyframes scrollBounce {
        0%, 100% { transform: translateY(0); opacity: 1; }
        50% { transform: translateY(8px); opacity: 0.4; }
    }

    /* Navigation transitions */
    #navbar.scrolled {
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(12px);
        box-shadow: 0 1px 20px rgba(74, 23, 46, 0.08);
    }

    #navbar.scrolled .nav-logo {
        color: #6b1a2a;
    }

    #navbar.scrolled a:not(.bg-plum-800) {
        color: #6b1a2a;
    }

    /* Reveal animations — progressive enhancement via JS */
    .reveal-up, .reveal-left, .reveal-right {
        opacity: 1;
        transform: none;
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    /* Hero eyebrow animation */
    .hero-eyebrow {
        animation: fadeInDown 1s ease-out 0.3s both;
    }

    @keyframes fadeInDown {
        from { opacity: 0; transform: translateY(-20px); }
        to { opacity: 1; transform: translateY(0); }
    }

    /* Reduced motion preference */
    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
        }
        html { scroll-behavior: auto; }
    }

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

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

    /* Custom scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #fdf4f6;
    }
    ::-webkit-scrollbar-thumb {
        background: #b92f48;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #9a253b;
    }

    /* Focus styles */
    a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
        outline: 2px solid #f59e0b;
        outline-offset: 2px;
    }