:root {
  --fundo: #faf6ef;
  --papel: #fffdf9;
  --texto: #2b211c;
  --suave: #6b5d54;
  --linha: #e7dccd;
  --acento: #a4471f;
  --acento-escuro: #7c3415;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #17120f;
    --papel: #1f1915;
    --texto: #efe6dc;
    --suave: #b3a597;
    --linha: #3a2f28;
    --acento: #e08a52;
    --acento-escuro: #f0a574;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 18px;
  line-height: 1.65;
}
a { color: var(--acento); text-underline-offset: 3px; }
a:hover { color: var(--acento-escuro); }
.topo, .conteudo, .rodape { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.topo {
  display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px 20px;
  padding-top: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--linha);
}
.marca { font-size: 20px; font-weight: 600; letter-spacing: 0.02em; color: var(--texto); text-decoration: none; }
.topo nav { display: flex; gap: 18px; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 15px; }
.topo nav a { color: var(--suave); text-decoration: none; }
.topo nav a:hover, .topo nav a[aria-current] { color: var(--acento); }
.conteudo { padding-top: 40px; padding-bottom: 56px; }
h1 { font-size: 38px; line-height: 1.2; margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 23px; margin: 40px 0 8px; font-weight: 600; }
h3 { font-size: 19px; margin: 24px 0 4px; }
.lead { font-size: 21px; color: var(--suave); margin: 0 0 32px; }
.data { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 14px; color: var(--suave); margin-bottom: 32px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
.cartoes { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 18px 0 8px; }
.cartao { background: var(--papel); border: 1px solid var(--linha); border-radius: 10px; padding: 18px 20px; }
.cartao h3 { margin: 0 0 6px; font-size: 18px; }
.cartao p { margin: 0; font-size: 16px; color: var(--suave); }
.rodape {
  border-top: 1px solid var(--linha); padding-top: 22px; padding-bottom: 40px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 14px; color: var(--suave);
}
.rodape p { margin: 4px 0; }
@media (max-width: 520px) {
  body { font-size: 17px; }
  h1 { font-size: 30px; }
  .lead { font-size: 19px; }
}