:root {
  --fundo: #ffffff;
  --texto: #1d2329;
  --suave: #5b6670;
  --linha: #e3e7eb;
  --destaque: #1f4e79;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #14181c;
    --texto: #e6e9ec;
    --suave: #9aa5af;
    --linha: #2a3138;
    --destaque: #8cb8e3;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--destaque); }
.miolo { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { border-bottom: 1px solid var(--linha); }
header .miolo { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-top: 16px; padding-bottom: 16px; }
.marca { font-weight: 700; font-size: 20px; color: var(--texto); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 15px; }
nav a { text-decoration: none; }
nav a[aria-current="page"] { color: var(--texto); font-weight: 600; }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 16px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
h3 { font-size: 17px; margin: 24px 0 4px; }
.vigencia { color: var(--suave); font-size: 15px; }
li { margin-bottom: 6px; }
footer { border-top: 1px solid var(--linha); color: var(--suave); font-size: 14px; }
footer .miolo { padding-top: 24px; padding-bottom: 32px; }
footer p { margin: 0 0 4px; }