:root { color-scheme: light dark; --verde: #2e7d32; }
body { margin: 0; font-family: system-ui, sans-serif; background: Canvas; color: CanvasText; }
main { max-width: 32rem; margin: 0 auto; padding: 3rem 1.5rem; text-align: center; line-height: 1.5; }
h1 { color: var(--verde); font-size: 2.5rem; margin-bottom: 0.5rem; }
.botao {
  display: inline-block; margin: 1.5rem 0 1rem; padding: 0.9rem 1.8rem; border-radius: 999px;
  background: var(--verde); color: #fff; text-decoration: none; font-weight: 600;
}
.nota { opacity: 0.7; font-size: 0.9rem; }