:root {
    --bg: #10131a;
    --surface: #181d27;
    --border: #262d3b;
    --text: #e6e9ef;
    --muted: #939cad;
    --accent: #7aa2f7;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    background: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-header {
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
}

.brand {
    color: var(--text);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-decoration: none;
}

.content {
    flex: 1;
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: 3.5rem 1.5rem;
}

.hero h1 {
    margin: 0;
    font-size: clamp(2.5rem, 7vw, 3.5rem);
    letter-spacing: -0.02em;
}

.tagline {
    margin: 0.5rem 0 0;
    color: var(--muted);
    font-size: 1.1rem;
}

.cards {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin-top: 3rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
}

.card h2 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

code {
    background: #0c0f15;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
    font-size: 0.85em;
    color: var(--text);
}

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

.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem 2rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.site-footer p {
    margin: 0;
}