:root { color-scheme: light dark; --bg: #f6f5f1; --fg: #1c1c1a; --muted: #6b6a64; }
@media (prefers-color-scheme: dark) { :root { --bg: #151514; --fg: #f1efe8; --muted: #a09e96; } }
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  display: grid; place-items: center; padding: 16px; background: var(--bg); color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 32rem; text-align: center; }
h1 { font-size: clamp(28px, 6vw, 40px); font-weight: 650; letter-spacing: -.01em; margin: 0 0 8px; }
p { color: var(--muted); margin: 0; }