:root {
  color-scheme: light dark;
  --bg: #fafaf8;
  --fg: #1c1c1a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --fg: #ecebe6;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 0 16px;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 36rem;
  width: 100%;
  margin: 0 auto;
}
h1 {
  margin: 0 0 0.75rem;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
p {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}