:root {
  color-scheme: light;
  --page: #FFF9F1;
  --ink: #291449;
  --ink-soft: #56407A;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #180F27;
    --ink: #FFF9F1;
    --ink-soft: #C9B8E8;
  }
}
html, body { height: 100%; }
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  box-sizing: border-box;
  background: var(--page);
  color: var(--ink);
  font: 400 1.125rem/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  text-align: center;
}
h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.75rem, 1.4rem + 2vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
p { margin: 0; color: var(--ink-soft); }