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   (fundo #05070d, ciano #01d3ea); tema claro e escuro pelo sistema. */

:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #0c1422;
  --muted: #45536a;
  --line: #d9e0ea;
  --brand: #007f8f;
  --brand-fill: #01d3ea;
  --on-brand: #04121a;
  --warn-bg: #fff6d6;
  --warn-line: #e6c65a;
  --warn-text: #4a3a00;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #05070d;
    --surface: #0c131f;
    --text: #e8eef7;
    --muted: #b9c4d4;
    --line: #1e2a3c;
    --brand: #01d3ea;
    --brand-fill: #01d3ea;
    --on-brand: #04121a;
    --warn-bg: #2a2206;
    --warn-line: #6b5712;
    --warn-text: #f5e3a0;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a { color: var(--brand); }
a:focus-visible { outline: 3px solid var(--brand-fill); outline-offset: 2px; border-radius: 4px; }

.pular {
  position: absolute;
  left: -9999px;
}
.pular:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 10; }

.topo {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
}
.marca img { width: 36px; height: 36px; }

.topo nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
.topo nav a { color: var(--muted); text-decoration: none; }
.topo nav a:hover { color: var(--brand); }

main { max-width: 760px; margin: 0 auto; padding: 8px 16px 56px; }

.kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  margin: 24px 0 12px;
  font-weight: 600;
}

h1 { font-size: clamp(28px, 6vw, 40px); line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 22px; line-height: 1.3; margin: 36px 0 12px; }
h3 { font-size: 18px; margin: 20px 0 6px; }
p { margin: 0 0 12px; }
.lead { color: var(--muted); font-size: 18px; }

ul, ol { padding-left: 22px; margin: 0 0 12px; }
li { margin-bottom: 8px; }

dl { margin: 0; }
dt { font-weight: 650; margin-top: 18px; }
dd { margin: 4px 0 0; color: var(--muted); }

code {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

.nota {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
}

.aviso-revisao {
  margin: 16px 0 0;
  padding: 12px 16px;
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  color: var(--warn-text);
  border-radius: 10px;
  font-size: 15px;
}

.heroi {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
}
.heroi img { width: 140px; height: auto; justify-self: center; }
@media (min-width: 640px) {
  .heroi { grid-template-columns: 1fr 180px; }
  .heroi img { width: 180px; }
}

.cartoes { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 12px; }
@media (min-width: 640px) { .cartoes { grid-template-columns: 1fr 1fr; } }
.cartao {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}
.cartao h3 { margin-top: 0; }
.cartao p { color: var(--muted); margin: 0; font-size: 16px; }

.acoes { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.botao {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.botao--principal { background: var(--brand-fill); border-color: transparent; color: var(--on-brand); }

.rodape {
  border-top: 1px solid var(--line);
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px 32px;
  font-size: 14px;
  color: var(--muted);
}
.rodape nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 10px; }
.rodape a { color: var(--muted); }