:root { --tinta: #111d3f; --azul: #1351b4; --verde: #168821; --vermelho: #b51800; --fundo: #f4f6fa; --linha: #d5dceb; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 19px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: #1b1b1b; background: #fff; }
a { color: var(--azul); }
img { max-width: 100%; height: auto; display: block; }

header { background: var(--tinta); color: #fff; }
header .w { display: flex; align-items: center; gap: 14px; padding: 14px 20px; flex-wrap: wrap; }
header a.marca { color: #fff; text-decoration: none; font-weight: 700; display: flex; align-items: center; gap: 10px; }
header a.marca img { width: 34px; height: 34px; border-radius: 7px; }
header nav { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; font-size: 16px; }
header nav a { color: #cfdaf3; }

.w { max-width: 860px; margin: 0 auto; padding: 0 20px; }
main { padding: 28px 0 48px; }
h1 { font-size: 36px; line-height: 1.2; color: var(--tinta); margin: 8px 0 14px; }
h2 { font-size: 27px; line-height: 1.25; color: var(--tinta); margin: 40px 0 12px; }
h3 { font-size: 21px; color: var(--tinta); margin: 28px 0 8px; }
.trilha { font-size: 15px; color: #5b6478; }
.data { font-size: 15px; color: #5b6478; margin-top: -6px; }
.resposta { font-size: 21px; background: var(--fundo); border-left: 6px solid var(--tinta); padding: 16px 20px; margin: 20px 0; }
ol li, ul li { margin: 8px 0; }
figure { margin: 26px 0; }
figure img { border: 1px solid var(--linha); border-radius: 10px; }
figcaption { font-size: 15px; color: #5b6478; margin-top: 8px; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 18px; }
th, td { border: 1px solid var(--linha); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: var(--fundo); }
.alerta { background: #fff5c2; border-left: 6px solid #c99a00; padding: 14px 18px; margin: 20px 0; }
.atalho { background: #e3f5e1; border: 2px solid var(--verde); border-radius: 12px; padding: 18px 22px; margin: 32px 0; }
.atalho h2, .atalho h3 { margin-top: 0; }
.botao { display: inline-block; background: var(--azul); color: #fff; font-weight: 700; text-decoration: none; padding: 14px 26px;
  border-radius: 999px; font-size: 20px; margin: 8px 0; }
.botao:hover { background: #0c3d8c; }
.fontes { font-size: 16px; }
.relacionados { background: var(--fundo); padding: 16px 22px; border-radius: 12px; margin-top: 36px; }

.hero { background: var(--fundo); padding: 36px 0 28px; }
.hero h1 { font-size: 42px; }
.hero p.sub { font-size: 22px; margin: 0 0 18px; }
.passos { counter-reset: p; list-style: none; padding: 0; }
.passos li { counter-increment: p; padding-left: 58px; position: relative; margin: 18px 0; }
.passos li::before { content: counter(p); position: absolute; left: 0; top: -2px; width: 40px; height: 40px; border-radius: 50%;
  background: var(--tinta); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.grade > div { border: 1px solid var(--linha); border-radius: 12px; padding: 16px 18px; }
.grade h3 { margin-top: 0; }
details { border: 1px solid var(--linha); border-radius: 10px; padding: 12px 16px; margin: 10px 0; }
summary { font-weight: 700; cursor: pointer; color: var(--tinta); }

footer { background: var(--fundo); border-top: 1px solid var(--linha); font-size: 15px; color: #5b6478; padding: 24px 0; }
footer a { color: #3a4a6e; }

@media (max-width: 600px) {
  body { font-size: 18px; }
  h1, .hero h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  header nav { margin-left: 0; }
}