:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --fg: #1d2330;
  --muted: #5b6475;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --fg: #e8ebf0;
    --muted: #9aa3b2;
  }
}

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  text-align: center;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  letter-spacing: 0.02em;
}

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