/* ===== RESET & BASE ===== */
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        text-decoration: none;
        color: inherit;
    }

    button {
        background: none;
        border: none;
        cursor: pointer;
        color: inherit;
        font-family: inherit;
    }

    /* ===== SCROLLBAR ===== */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #0a1726;
    }
    ::-webkit-scrollbar-thumb {
        background: #1e4568;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #2e5d8f;
    }

    /* ===== SCROLL ANIMATIONS (progressive enhancement) ===== */
    @media (prefers-reduced-motion: no-preference) {
        .reveal-up,
        .reveal-left,
        .reveal-right {
            opacity: 1;
            transform: none;
            transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .reveal-up {
            transform: translateY(0);
        }

        .reveal-left {
            transform: translateX(0);
        }

        .reveal-right {
            transform: translateX(0);
        }

        /* JS will add these classes to trigger animations */
        .reveal-animate .reveal-up {
            opacity: 0;
            transform: translateY(40px);
        }
        .reveal-animate .reveal-left {
            opacity: 0;
            transform: translateX(-40px);
        }
        .reveal-animate .reveal-right {
            opacity: 0;
            transform: translateX(40px);
        }

        .reveal-visible .reveal-up,
        .reveal-visible .reveal-left,
        .reveal-visible .reveal-right {
            opacity: 1;
            transform: translate(0);
        }
    }

    /* ===== SCROLL INDICATOR ANIMATION ===== */
    @media (prefers-reduced-motion: no-preference) {
        .animate-scroll-line {
            animation: scrollLine 2s ease-in-out infinite;
        }

        @keyframes scrollLine {
            0% { transform: translateY(-100%); }
            50% { transform: translateY(100%); }
            100% { transform: translateY(100%); }
        }
    }

    /* ===== NAV SCROLLED STATE ===== */
    #site-header.scrolled {
        background: rgba(6, 15, 25, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(95, 181, 148, 0.08);
    }

    #site-header.scrolled .font-serif {
        color: #95cfba;
    }

    /* ===== MOBILE MENU ===== */
    #mobile-menu.open {
        opacity: 1;
        pointer-events: all;
    }

    /* Bar animations for mobile toggle */
    #menu-toggle.active #bar1 {
        transform: rotate(45deg) translate(4px, 4px);
    }
    #menu-toggle.active #bar2 {
        opacity: 0;
    }
    #menu-toggle.active #bar3 {
        transform: rotate(-45deg) translate(4px, -4px);
        width: 1.5rem;
    }

    /* ===== GALLERY HOVER ===== */
    .aspect-square img,
    .aspect-\[4\/3\] img,
    .aspect-\[16\/7\] img {
        transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* ===== LINK UNDERLINE HOVER ===== */
    a:hover {
        color: #95cfba;
    }

    /* ===== FOCUS STYLES ===== */
    a:focus-visible,
    button:focus-visible {
        outline: 2px solid #5fb594;
        outline-offset: 4px;
        border-radius: 4px;
    }

    /* ===== SELECTION ===== */
    ::selection {
        background: rgba(95, 181, 148, 0.3);
        color: #f0f4f8;
    }