:root {
        --bg: #0f172a;
        --surface: #111827;
        --surface-light: #1f2937;
        --text: #e5e7eb;
        --muted: #9ca3af;
        --accent: #38bdf8;
        --accent-soft: rgba(56, 189, 248, 0.14);
        --border: rgba(255, 255, 255, 0.09);
        --max-width: 1120px;
    }

    html {
        scroll-behavior: smooth;
    }

    * {
        box-sizing: border-box;
    }

    body {
        margin: 0;
        font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        background:
            radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 32rem),
            var(--bg);
        color: var(--text);
        line-height: 1.6;
    }

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

    .container {
        width: min(100% - 2rem, var(--max-width));
        margin: 0 auto;
    }

    header {
        padding: 1.25rem 0;
        position: sticky;
        top: 0;
        z-index: 10;
        backdrop-filter: blur(16px);
        background: rgba(15, 23, 42, 0.76);
        border-bottom: 1px solid var(--border);
    }

    nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }

    .logo {
        font-weight: 800;
        letter-spacing: -0.04em;
    }

    .nav-links {
        display: flex;
        gap: 1rem;
        color: var(--muted);
        font-size: 0.95rem;
    }

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

    .hero {
        padding: 6rem 0 4rem;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        color: var(--accent);
        background: var(--accent-soft);
        border: 1px solid rgba(56, 189, 248, 0.28);
        border-radius: 999px;
        padding: 0.35rem 0.75rem;
        font-size: 0.9rem;
        font-weight: 700;
    }

    h1 {
        max-width: 850px;
        margin: 1.5rem 0 1rem;
        font-size: clamp(2.6rem, 7vw, 5rem);
        line-height: 0.95;
        letter-spacing: -0.07em;
    }

    .hero p {
        max-width: 720px;
        color: var(--muted);
        font-size: 1.2rem;
    }

    .actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.85rem;
        margin-top: 2rem;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        padding: 0.8rem 1.05rem;
        font-weight: 800;
        border: 1px solid var(--border);
        background: var(--surface-light);
    }

    .btn.primary {
        background: var(--accent);
        color: #062333;
        border-color: transparent;
    }

    section {
        padding: 3.5rem 0;
    }

    .section-title {
        display: flex;
        align-items: end;
        justify-content: space-between;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }

    h2 {
        margin: 0;
        font-size: clamp(1.8rem, 4vw, 2.5rem);
        letter-spacing: -0.05em;
    }

    .section-title p {
        max-width: 520px;
        margin: 0;
        color: var(--muted);
    }

    .grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1rem;
    }

    .card {
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
        border: 1px solid var(--border);
        border-radius: 1.25rem;
        padding: 1.25rem;
        box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
    }

    .project-card {
        min-height: 320px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .tag-list {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin: 1rem 0;
    }

    .tag {
        color: var(--muted);
        border: 1px solid var(--border);
        border-radius: 999px;
        padding: 0.25rem 0.6rem;
        font-size: 0.85rem;
    }

    .project-card h3 {
        margin: 0.75rem 0 0.5rem;
        font-size: 1.45rem;
        line-height: 1.15;
        letter-spacing: -0.04em;
    }

    .project-card p,
    .card p {
        color: var(--muted);
        margin: 0;
    }

    .project-link {
        margin-top: 1.5rem;
        color: var(--accent);
        font-weight: 800;
    }

    .skills {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 1rem;
    }

    .skill h3 {
        margin: 0 0 0.4rem;
        font-size: 1rem;
    }

    .about {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 1rem;
    }

    footer {
        padding: 2rem 0 3rem;
        color: var(--muted);
        border-top: 1px solid var(--border);
    }

    @media (max-width: 780px) {
        .nav-links {
            display: none;
        }

        .hero {
            padding-top: 4rem;
        }

        .grid,
        .skills,
        .about {
            grid-template-columns: 1fr;
        }

        .section-title {
            align-items: start;
            flex-direction: column;
        }
    }