:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --fg: #f5f5f5;
    --muted: #999999;
  }
}

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

html, body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  text-align: center;
}

h1 {
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  margin-top: 0.75rem;
  font-size: 1.125rem;
  color: var(--muted);
}

a {
  color: inherit;
}