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

    html {
        scroll-behavior: smooth;
        scroll-padding-top: 64px;
    }

    body {
        margin: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    /* Scroll reveal — progressive enhancement, works without JS */
    .scroll-reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    @media (prefers-reduced-motion: no-preference) {
        .scroll-reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

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

    /* Mobile menu transitions */
    #mobile-menu {
        animation: slideDown 0.25s ease forwards;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Subtle hover lift on cards */
    .bg-cream-100.rounded-2xl {
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .bg-cream-100.rounded-2xl:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 32px rgba(10, 37, 64, 0.08);
    }

    /* Input focus animation */
    input:focus, textarea:focus {
        outline: none;
    }

    /* Custom selection color */
    ::selection {
        background: rgba(125, 211, 192, 0.3);
        color: #0a2540;
    }

    /* Nav active state */
    #nav.scrolled {
        box-shadow: 0 1px 0 rgba(10, 37, 64, 0.06);
    }

    /* Smooth image loading */
    img {
        opacity: 1;
        transition: opacity 0.3s ease;
    }

    img[loading="lazy"] {
        opacity: 0;
        transition: opacity 0.5s ease;
    }

    img[loading="lazy"].loaded {
        opacity: 1;
    }