:root { --bg:#fff; --fg:#111827; --muted:#6b7280; --accent:#2563eb; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#0b0f19; --fg:#f3f4f6; --muted:#9ca3af; --accent:#60a5fa; }
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
main { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px; }
h1.hero { font-size: clamp(2.5rem, 8vw, 5rem); margin: 0; text-align: center; letter-spacing: -0.02em; }
article { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 48px 16px; }
article h1 { margin-top: 0; }
article h2 { margin-top: 2em; font-size: 1.25rem; }
.updated { color: var(--muted); }
.home { display: inline-block; margin-bottom: 24px; text-decoration: none; }
footer { padding: 24px 16px; text-align: center; color: var(--muted); font-size: .9rem; }
footer a { color: var(--muted); margin: 0 8px; }