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

:root {
    --bg: #0a0a0a;
    --bg-card: #141414;
    --border: #222;
    --text: #e0e0e0;
    --text-muted: #888;
    --accent: #4fc3f7;
    --accent-hover: #81d4fa;
    --font: "SF Mono", "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* ---- Nav ---- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
}

.nav-logo:hover {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
}

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

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

/* ---- Main ---- */
main {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---- Hero ---- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
}

.hero-tag {
    font-size: 0.9rem;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-name {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    color: #fff;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    line-height: 1.6;
}

.hero-links {
    display: flex;
    gap: 1.2rem;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.hero-links a {
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    transition: all 0.2s;
}

.hero-links a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ---- Sections ---- */
.section {
    padding: 5rem 0;
    border-top: 1px solid var(--border);
}

.section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #fff;
}

.section p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* ---- Skills ---- */
.skill-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.2rem;
}

.skill-card h3 {
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
}

.skill-card ul {
    list-style: none;
}

.skill-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.2rem 0;
}

.tag {
    font-size: 0.7rem;
    background: rgba(79, 195, 247, 0.15);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 4px;
}

/* ---- Projects ---- */
.project-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: border-color 0.2s;
}

a.project-card:hover {
    border-color: var(--accent);
    color: inherit;
}

.project-card h3 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.project-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.project-tech {
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.5px;
}

.project-placeholder {
    border-style: dashed;
    opacity: 0.6;
}

/* ---- Contact ---- */
#contact p {
    font-size: 1rem;
}

/* ---- Footer ---- */
.footer {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
    .nav {
        padding: 0.8rem 1rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.8rem;
    }

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

    .hero-name {
        letter-spacing: -1px;
    }
}