:root {
  color-scheme: light dark;
  --ink: #1a1a1a;
  --bg: #fafafa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f2f2;
    --bg: #111111;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  text-align: center;
  padding: 24px;
}

main {
  max-width: 40ch;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 12px;
}

p {
  margin: 0;
  opacity: 0.7;
}