/* LVO Sistemas — folha de estilo das páginas estáticas de SEO
   Externa de propósito: a CSP do site bloqueia <style> inline. */

:root {
  --bg: #f5f6f1;
  --surface: #ffffff;
  --ink: #17211e;
  --ink-strong: #09110f;
  --muted: #68736f;
  --line: #dfe2d9;
  --accent: #09110f;
  --radius: 14px;
  --maxw: 900px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink-strong); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--muted); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- topo ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  letter-spacing: .16em;
  font-size: 13px;
  text-transform: uppercase;
  text-decoration: none;
}
.topnav { display: flex; gap: 18px; flex-wrap: wrap; }
.topnav a {
  font-size: 14px;
  text-decoration: none;
  color: var(--muted);
}
.topnav a:hover { color: var(--ink-strong); }

/* ---------- breadcrumb ---------- */
.crumbs {
  font-size: 13px;
  color: var(--muted);
  padding: 18px 0 0;
}
.crumbs a { color: var(--muted); }

/* ---------- tipografia ---------- */
.eyebrow {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 26px 0 10px;
  font-weight: 600;
}
h1 {
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--ink-strong);
}
h2 {
  font-size: clamp(22px, 3.2vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 48px 0 14px;
  color: var(--ink-strong);
}
h3 {
  font-size: 18px;
  margin: 26px 0 8px;
  color: var(--ink-strong);
}
p { margin: 0 0 16px; }
.lead { font-size: 19px; color: var(--ink); }

ul, ol { margin: 0 0 18px; padding-left: 22px; }
li { margin-bottom: 8px; }

/* ---------- cartões ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 22px 0 8px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.card h3 { margin-top: 0; }
.card p { margin-bottom: 0; color: var(--muted); font-size: 15px; }

/* ---------- FAQ ---------- */
.faq { margin: 22px 0; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 10px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink-strong);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: " +"; color: var(--muted); }
.faq details[open] summary::after { content: " −"; }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* ---------- CTA ---------- */
.cta {
  background: var(--ink-strong);
  color: #f5f6f1;
  border-radius: var(--radius);
  padding: 30px;
  margin: 48px 0 0;
}
.cta h2 { color: #ffffff; margin-top: 0; }
.cta p { color: #c3ccc8; }
.btn {
  display: inline-block;
  background: #f5f6f1;
  color: #09110f;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  margin-top: 6px;
}
.btn:hover { background: #ffffff; color: #09110f; }
.btn + .btn { margin-left: 10px; background: transparent; color: #f5f6f1; border: 1px solid #3a4643; }

/* ---------- links relacionados ---------- */
.related { margin: 48px 0 0; padding-top: 26px; border-top: 1px solid var(--line); }
.related h2 { margin-top: 0; font-size: 20px; }
.related ul { list-style: none; padding: 0; }
.related li { margin-bottom: 10px; }

/* ---------- rodapé ---------- */
footer {
  margin-top: 56px;
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  font-size: 14px;
  color: var(--muted);
}
footer a { color: var(--muted); }

main { padding-bottom: 10px; }

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  body { font-size: 16px; }
  .cta { padding: 22px; }
  .btn + .btn { margin-left: 0; margin-top: 10px; }
}