:root {
  --fundo: oklch(98.5% 0.004 95);
  --texto: oklch(24% 0.01 260);
  --suave: oklch(48% 0.012 260);
  --linha: oklch(90% 0.006 95);
  --destaque: oklch(52% 0.11 160);
}

@media (prefers-color-scheme: dark) {
  :root {
    --fundo: oklch(19% 0.008 260);
    --texto: oklch(93% 0.006 95);
    --suave: oklch(72% 0.01 260);
    --linha: oklch(32% 0.01 260);
    --destaque: oklch(74% 0.1 160);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font: 17px/1.6 ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4.5rem 1rem 3rem;
}

header { margin-bottom: 3rem; }

.marca {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--texto);
  text-decoration: none;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  text-wrap: balance;
}

h2 {
  font-size: 1.1rem;
  margin: 2.5rem 0 0.5rem;
}

p, li { color: var(--suave); }
strong { color: var(--texto); font-weight: 600; }
ul { padding-left: 1.2rem; }

a { color: var(--destaque); text-underline-offset: 0.18em; }

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--linha);
  font-size: 0.9rem;
  color: var(--suave);
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}