/* Citado · guias — estilo dark, direção de marca (preto/branco + azul <10%) */
:root {
  --bg: #0a0a0a;
  --fg: #f4f4f4;
  --muted: #9a9a9a;
  --line: #222;
  --accent: #2f6bff;
  --card: #131313;
  --max: 720px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.brand { font-weight: 700; letter-spacing: -0.02em; color: var(--fg); text-decoration: none; font-size: 20px; }
.brand span { color: var(--accent); }
.nav-cta { font-size: 15px; color: var(--fg); text-decoration: none; border: 1px solid var(--line); padding: 8px 14px; border-radius: 999px; }
.nav-cta:hover { border-color: var(--accent); }

main { padding: 40px 0 24px; }
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--fg); }

h1 { font-size: 34px; line-height: 1.18; letter-spacing: -0.02em; margin: 0 0 18px; }
h2 { font-size: 24px; letter-spacing: -0.01em; margin: 40px 0 12px; }
h3 { font-size: 19px; margin: 26px 0 8px; }
p { margin: 0 0 16px; }
.lead { font-size: 20px; color: #e6e6e6; }
a { color: var(--accent); }
strong { color: #fff; }
ul, ol { padding-left: 22px; margin: 0 0 18px; }
li { margin-bottom: 8px; }

.answer { background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 12px; padding: 18px 20px; margin: 0 0 28px; }
.answer p:last-child { margin-bottom: 0; }

.cta { display: block; background: var(--accent); color: #fff; text-decoration: none; text-align: center; font-weight: 600; padding: 16px 20px; border-radius: 12px; margin: 34px 0; font-size: 18px; }
.cta:hover { filter: brightness(1.08); }
.cta small { display: block; font-weight: 400; opacity: .85; font-size: 14px; margin-top: 4px; }

.faq h3 { border-top: 1px solid var(--line); padding-top: 20px; }
.related { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 24px; }
.related a { display: block; margin-bottom: 10px; text-decoration: none; color: var(--fg); }
.related a:hover { color: var(--accent); }
.related span { color: var(--muted); font-size: 14px; }

.cards { display: grid; gap: 14px; margin: 24px 0; }
.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; text-decoration: none; color: var(--fg); }
.card:hover { border-color: var(--accent); }
.card b { display: block; margin-bottom: 4px; font-size: 18px; }
.card span { color: var(--muted); font-size: 15px; }

footer.bot { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 28px 0 48px; }
footer.bot a { color: var(--muted); }
@media (max-width: 520px) {
  body { font-size: 17px; }
  h1 { font-size: 28px; }
  h2 { font-size: 21px; }
}