:root {
        --bg: #040608;
        --bg2: #070b0f;
        --surface: #0b1018;
        --border: rgba(0, 255, 180, 0.12);
        --border2: rgba(0, 255, 180, 0.06);
        --text: #c8ffe8;
        --muted: rgba(180, 240, 210, 0.45);
        --dim: rgba(180, 240, 210, 0.18);
        --neon: #00ffb4;
        --neon2: #00d4ff;
        --neon-glow: 0 0 12px rgba(0, 255, 180, 0.6);
        --font-term: 'Share Tech Mono', monospace;
        --font-display: 'Orbitron', sans-serif;
        --font-body: 'Space Grotesk', sans-serif;
        --ease: cubic-bezier(0.16, 1, 0.3, 1);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        background: var(--bg);
        color: var(--text);
        font-family: var(--font-body);
        overflow-x: hidden;
        cursor: none;
    }

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

    body::before {
        content: '';
        position: fixed;
        inset: 0;
        background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, 0.15) 2px, rgba(0, 0, 0, 0.15) 4px);
        pointer-events: none;
        z-index: 9990;
    }

    #cur {
        position: fixed;
        top: 0;
        left: 0;
        width: 6px;
        height: 20px;
        background: var(--neon);
        box-shadow: var(--neon-glow);
        pointer-events: none;
        z-index: 9999;
        transform: translate(-50%, -50%);
    }

    nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        padding: 20px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid var(--border2);
        background: rgba(4, 6, 8, 0.85);
        backdrop-filter: blur(12px);
    }

    .nav-logo {
        font-family: var(--font-display);
        font-size: 1.1rem;
        font-weight: 900;
        letter-spacing: 0.12em;
        color: var(--neon);
        text-shadow: var(--neon-glow);
    }

    .nav-links {
        display: flex;
        gap: 32px;
        list-style: none;
    }

    .nav-links a {
        font-family: var(--font-term);
        font-size: 0.72rem;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--muted);
        transition: color 0.2s;
    }

    .nav-links a:hover {
        color: var(--neon);
    }

    .page-hero {
        padding: 160px 48px 80px;
        border-bottom: 1px solid var(--border);
        background: radial-gradient(circle at top right, rgba(0, 255, 180, 0.03), transparent 60%);
    }

    .sec-label {
        font-family: var(--font-term);
        font-size: 0.72rem;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--neon);
        margin-bottom: 16px;
    }

    .page-title {
        font-family: var(--font-display);
        font-size: clamp(32px, 6vw, 84px);
        font-weight: 900;
        text-transform: uppercase;
        line-height: 1;
    }

    .filters {
        display: flex;
        gap: 12px;
        padding: 40px 48px;
        flex-wrap: wrap;
        background: var(--bg2);
        border-bottom: 1px solid var(--border);
    }

    .filter-btn {
        padding: 8px 20px;
        background: transparent;
        border: 1px solid var(--border);
        color: var(--muted);
        font-family: var(--font-term);
        font-size: 0.75rem;
        cursor: pointer;
        transition: all 0.2s;
        clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
    }

    .filter-btn:hover {
        border-color: var(--neon);
        color: var(--text);
    }

    .filter-btn.active {
        background: var(--neon);
        color: var(--bg);
        border-color: var(--neon);
    }

    .portfolio-container {
        padding: 60px 48px 120px;
    }

    .portfolio-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
        gap: 32px;
    }

    .art-card {
        background: var(--bg2);
        border: 1px solid var(--border);
        display: flex;
        flex-direction: column;
        position: relative;
        overflow: hidden;
        transition: all 0.3s var(--ease);
    }

    .art-card:hover {
        border-color: var(--neon);
        transform: translateY(-8px);
    }

    .art-card.hidden {
        display: none;
    }

    .art-thumb {
        width: 100%;
        aspect-ratio: 16/9;
        background: var(--surface);
        position: relative;
        overflow: hidden;
    }

    .art-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        filter: grayscale(0.5) contrast(1.1);
        transition: transform 0.6s var(--ease), filter 0.6s;
    }

    .art-card:hover .art-thumb img {
        transform: scale(1.1);
        filter: grayscale(0) contrast(1.1);
    }

    .art-date {
        position: absolute;
        bottom: 12px;
        left: 16px;
        font-family: var(--font-term);
        font-size: 0.65rem;
        color: var(--neon);
        background: rgba(4, 6, 8, 0.7);
        padding: 2px 8px;
    }

    .art-content {
        padding: 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .art-tag {
        font-family: var(--font-term);
        font-size: 0.6rem;
        color: var(--muted);
        letter-spacing: 0.1em;
        margin-bottom: 12px;
        text-transform: uppercase;
        padding: 2px 8px;
        border: 1px solid var(--border);
        align-self: flex-start;
    }

    .art-title {
        font-family: var(--font-display);
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 16px;
        line-height: 1.3;
    }

    .art-desc {
        font-family: var(--font-term);
        font-size: 0.9rem;
        color: var(--muted);
        line-height: 1.6;
        margin-bottom: 24px;
        flex: 1;
    }

    .art-more {
        font-family: var(--font-term);
        font-size: 0.72rem;
        color: var(--neon);
        text-transform: uppercase;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .reveal {
        opacity: 0.2;
        transform: translateY(20px);
        transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
    }

    .reveal.visible {
        opacity: 1;
        transform: none;
    }

    .reveal-d1 {
        order: 1;
        transition-delay: 0.1s;
    }

    .reveal-d2 {
        order: 2;
        transition-delay: 0.2s;
    }

    footer {
        padding: 48px;
        border-top: 1px solid var(--border);
        background: var(--bg2);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    footer p {
        font-family: var(--font-term);
        font-size: 0.7rem;
        color: var(--dim);
    }

    @media (max-width: 768px) {

        nav,
        footer {
            padding: 20px;
        }

        .nav-links {
            display: none;
        }

        .page-hero,
        .filters,
        .portfolio-container {
            padding-left: 20px;
            padding-right: 20px;
        }

        .portfolio-grid {
            grid-template-columns: 1fr;
        }
    }