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

:root {
  --bg: #1a1a2e;
  --surface: #16213e;
  --border: #334155;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #38bdf8;
  --accent-dim: #0ea5e9;
  --changed: #fbbf24;
  --error: #f87171;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: system-ui, -apple-system, sans-serif;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
}

.nav-links { display: flex; gap: 1rem; }
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}
.nav-links a:hover { color: var(--text); }

.nav-spacer { flex: 1; }

.nav-icon {
  display: flex;
  align-items: center;
  opacity: 0.6;
  transition: opacity 0.15s;
}
.nav-icon:hover { opacity: 1; }

.landing {
  max-width: 600px;
  margin: 4rem auto;
  text-align: center;
}

.landing h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.landing p { color: var(--text-dim); margin-bottom: 2rem; }

.cta {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
}
.cta:hover { background: var(--accent-dim); }