:root {
  color-scheme: light dark;
}
/* Cores do DS v4 (§3): branco/roxo no claro, roxo 900 no escuro. */
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #ffffff;
  color: #3b1f3b;
}
@media (prefers-color-scheme: dark) {
  body {
    background: #261426;
    color: #ffffff;
  }
}
main {
  text-align: center;
  padding: 2rem;
}
h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}
p {
  opacity: 0.7;
  margin: 0;
}
.rodape {
  margin-top: 1.5rem;
  font-size: 0.85rem;
}
.rodape a {
  color: #a83a00;
}
@media (prefers-color-scheme: dark) {
  .rodape a {
    color: #ff7029;
  }
}