:root {
  --fundo: #eef2f8;
  --papel: #ffffff;
  --tinta: #141a2a;
  --suave: #4a5470;
  --linha: #d6deeb;
  --marca: #22408a;
  --marca-clara: #e3e9f6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #0b101b;
    --papel: #131a29;
    --tinta: #e8ecf5;
    --suave: #a3adc4;
    --linha: #26304a;
    --marca: #8fa8e8;
    --marca-clara: #1b2440;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fundo);
  color: var(--tinta);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
header.topo { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
header.topo a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 12px; }
.logo {
  width: 44px; height: 44px; border-radius: 12px; background: var(--marca); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 22px;
}
@media (prefers-color-scheme: dark) { .logo { color: #0b101b; } }
.nome { font-weight: 700; font-size: 20px; letter-spacing: -0.01em; }
h1 { font-size: 32px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--tinta); }
.lead { font-size: 19px; color: var(--suave); margin: 0 0 28px; }
.cartao { background: var(--papel); border: 1px solid var(--linha); border-radius: 16px; padding: 20px 22px; margin: 16px 0; }
.cartao h3 { margin: 0 0 6px; font-size: 17px; }
.cartao p { margin: 0; color: var(--suave); }
.grade { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.selo {
  display: inline-block; background: var(--marca-clara); color: var(--marca); border-radius: 999px;
  padding: 6px 14px; font-weight: 600; font-size: 15px;
}
a { color: var(--marca); }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--linha); color: var(--suave); font-size: 15px; }
footer a { color: var(--suave); }
.atualizado { color: var(--suave); font-size: 15px; }