/* ============================================================
   Cientista Beta — cientistabeta.com.br
   Design system: azul, limpo, focado em performance e SEO
   ============================================================ */
:root {
  --blue-900: #0a1633;
  --blue-800: #0f2350;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-100: #dbeafe;
  --blue-50: #eff6ff;
  --cyan-400: #38bdf8;
  --ink: #1e293b;
  --ink-soft: #475569;
  --bg: #ffffff;
  --bg-soft: #f5f8ff;
  --border: #e2e8f0;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 35, 80, 0.10);
  --maxw: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 22, 51, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(56, 189, 248, 0.15);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.logo { font-weight: 800; font-size: 1.3rem; color: #fff; letter-spacing: -0.5px; white-space: nowrap; }
.logo span { color: var(--cyan-400); }
.logo:hover { text-decoration: none; }
.main-nav { display: flex; gap: 4px; align-items: center; }
.main-nav a {
  color: #cbd5e1; font-size: 0.92rem; font-weight: 500;
  padding: 8px 12px; border-radius: 8px; white-space: nowrap;
}
.main-nav a:hover { color: #fff; background: rgba(59, 130, 246, 0.18); text-decoration: none; }
.main-nav a[aria-current="page"] { color: #fff; background: rgba(59, 130, 246, 0.28); }
.menu-toggle {
  display: none; background: none; border: 1px solid rgba(203, 213, 225, 0.4);
  color: #fff; font-size: 1.4rem; line-height: 1; padding: 6px 12px;
  border-radius: 8px; cursor: pointer;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-block; font-weight: 700; text-align: center;
  padding: 14px 28px; border-radius: 10px; font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer; border: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff; box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover { box-shadow: 0 10px 26px rgba(37, 99, 235, 0.45); color: #fff; }
.btn-outline {
  background: transparent; color: var(--blue-600);
  border: 2px solid var(--blue-600);
}
.btn-outline:hover { background: var(--blue-50); color: var(--blue-700); }
.btn-light { background: #fff; color: var(--blue-700); box-shadow: 0 6px 20px rgba(0,0,0,0.18); }
.btn-light:hover { color: var(--blue-800); }
.btn-lg { padding: 17px 36px; font-size: 1.08rem; }
.nav-cta { padding: 10px 20px; font-size: 0.9rem; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(56, 189, 248, 0.22), transparent),
    radial-gradient(ellipse 60% 50% at 20% 110%, rgba(37, 99, 235, 0.28), transparent),
    linear-gradient(160deg, var(--blue-900), var(--blue-800));
  color: #e2e8f0; padding: 84px 0 90px; text-align: center;
}
.hero h1 {
  color: #fff; font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15; letter-spacing: -1px; max-width: 840px; margin: 0 auto 20px;
}
.hero .lead { font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 700px; margin: 0 auto 34px; color: #cbd5e1; }
.hero .highlight { color: var(--cyan-400); }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin-top: 38px; font-size: 0.9rem; color: #94a3b8; }
.hero-badges span::before { content: "✓ "; color: var(--cyan-400); font-weight: 700; }

.eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--cyan-400);
  margin-bottom: 14px;
}
section .eyebrow { color: var(--blue-600); }

/* ---------- Seções ---------- */
section { padding: 76px 0; }
section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.5px; color: var(--blue-900); margin-bottom: 14px; }
.section-head p { color: var(--ink-soft); font-size: 1.05rem; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card h3 { font-size: 1.1rem; color: var(--blue-900); margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 0.95rem; }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-100), var(--blue-50));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 16px;
}

/* passos numerados */
.step-num {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}

/* ---------- Planos ---------- */
.plans { align-items: stretch; }
.plan {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 26px; text-align: center; position: relative;
  display: flex; flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.plan:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.plan.featured { border: 2px solid var(--blue-600); box-shadow: var(--shadow); }
.plan .tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff; font-size: 0.72rem; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; padding: 5px 16px; border-radius: 20px; white-space: nowrap;
}
.plan h3 { font-size: 1.05rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 12px; }
.plan .price { font-size: 2.5rem; font-weight: 800; color: var(--blue-900); letter-spacing: -1px; }
.plan .price small { font-size: 1rem; font-weight: 600; color: var(--ink-soft); }
.plan .per { color: var(--ink-soft); font-size: 0.88rem; margin-bottom: 20px; }
.plan ul { list-style: none; text-align: left; margin: 0 0 26px; flex: 1; }
.plan ul li { padding: 7px 0; font-size: 0.92rem; color: var(--ink-soft); border-bottom: 1px dashed var(--border); }
.plan ul li::before { content: "✓  "; color: var(--blue-600); font-weight: 700; }
.plan ul li:last-child { border-bottom: none; }

/* ---------- Depoimentos ---------- */
.quote { font-style: normal; }
.quote p { color: var(--ink); font-size: 0.97rem; margin-bottom: 16px; }
.quote footer { font-size: 0.87rem; color: var(--ink-soft); font-weight: 600; }
.stars { color: #f59e0b; letter-spacing: 2px; margin-bottom: 12px; font-size: 0.95rem; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-list details {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 14px; overflow: hidden;
}
.faq-list summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600; color: var(--blue-900);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 1.4rem; color: var(--blue-600); font-weight: 400; flex-shrink: 0; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details[open] summary { border-bottom: 1px solid var(--border); }
.faq-list .answer { padding: 18px 22px; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- CTA final ---------- */
.cta-band {
  background:
    radial-gradient(ellipse 70% 90% at 80% 10%, rgba(56, 189, 248, 0.25), transparent),
    linear-gradient(140deg, var(--blue-800), var(--blue-900));
  color: #e2e8f0; text-align: center; border-radius: 0;
}
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -0.5px; margin-bottom: 16px; }
.cta-band p { max-width: 640px; margin: 0 auto 30px; color: #cbd5e1; }

/* ---------- Conteúdo editorial (blog / páginas legais) ---------- */
.page-hero {
  background: linear-gradient(160deg, var(--blue-900), var(--blue-800));
  color: #e2e8f0; padding: 64px 0; text-align: center;
}
.page-hero h1 { color: #fff; font-size: clamp(1.7rem, 3.5vw, 2.5rem); letter-spacing: -0.7px; max-width: 860px; margin: 0 auto 14px; line-height: 1.2; }
.page-hero p { color: #cbd5e1; max-width: 680px; margin: 0 auto; }
.breadcrumbs { font-size: 0.85rem; color: #94a3b8; margin-bottom: 18px; }
.breadcrumbs a { color: var(--cyan-400); }
.post-meta { color: #94a3b8; font-size: 0.88rem; margin-top: 14px; }

.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: 1.55rem; color: var(--blue-900); margin: 42px 0 16px; letter-spacing: -0.4px; }
.prose h3 { font-size: 1.2rem; color: var(--blue-900); margin: 30px 0 12px; }
.prose p { margin-bottom: 18px; color: var(--ink); }
.prose ul, .prose ol { margin: 0 0 18px 24px; color: var(--ink); }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--blue-900); }
.prose .box {
  background: var(--blue-50); border-left: 4px solid var(--blue-600);
  border-radius: 0 10px 10px 0; padding: 20px 24px; margin: 26px 0;
}

/* ---------- Blog cards ---------- */
.post-card { display: flex; flex-direction: column; }
.post-card .thumb {
  height: 150px; border-radius: 10px; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  display: flex; align-items: center; justify-content: center; font-size: 2.4rem;
}
.post-card time { font-size: 0.8rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 1px; }
.post-card h3 { margin: 8px 0 10px; line-height: 1.35; }
.post-card h3 a { color: var(--blue-900); }
.post-card p { flex: 1; }
.post-card .more { font-weight: 700; font-size: 0.9rem; margin-top: 14px; }

/* ---------- Formulário ---------- */
.form-grid { display: grid; gap: 18px; }
.form-grid label { font-weight: 600; font-size: 0.92rem; color: var(--blue-900); display: block; margin-bottom: 6px; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%; padding: 13px 16px; border: 1px solid var(--border);
  border-radius: 10px; font: inherit; color: var(--ink); background: #fff;
}
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus {
  outline: 2px solid var(--blue-500); border-color: var(--blue-500);
}

.contact-cards .card a.strong { font-weight: 700; }

/* ---------- Footer ---------- */
.site-footer { background: var(--blue-900); color: #94a3b8; padding: 60px 0 30px; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; letter-spacing: 0.5px; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer a { color: #94a3b8; }
.site-footer a:hover { color: var(--cyan-400); }
.footer-brand p { margin-top: 14px; max-width: 320px; }
.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding-top: 24px; text-align: center; font-size: 0.85rem;
}


/* ============================================================
   COMPONENTES DE CONTEÚDO RICO
   Tabelas, sumário, callouts, passo a passo, glossário,
   comparativos, estatísticas e avaliações.
   ============================================================ */

/* ---------- Tabelas de dados ---------- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 26px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  min-width: 560px;
}
table.data caption {
  caption-side: top;
  text-align: left;
  padding: 16px 20px 12px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
table.data th,
table.data td { padding: 13px 18px; text-align: left; vertical-align: top; }
table.data thead th {
  background: var(--blue-900);
  color: #fff;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  white-space: nowrap;
}
table.data tbody tr { border-top: 1px solid var(--border); }
table.data tbody tr:nth-child(even) { background: var(--bg-soft); }
table.data tbody th {
  font-weight: 700;
  color: var(--blue-900);
  white-space: nowrap;
}
table.data td small { display: block; color: var(--ink-soft); font-size: 0.82rem; margin-top: 3px; }
table.data .num { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--blue-900); white-space: nowrap; }
table.data .yes { color: #15803d; font-weight: 700; }
table.data .no  { color: #b91c1c; font-weight: 700; }
table.data .mid { color: #b45309; font-weight: 700; }
.prose .table-wrap { margin: 30px 0; }

/* ---------- Sumário do artigo ---------- */
.toc {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 0 0 34px;
}
.toc .toc-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--blue-600);
  margin: 0 0 14px;
  font-weight: 700;
  display: block;
}
.toc ol { margin: 0 0 0 20px; color: var(--ink-soft); }
.toc li { margin-bottom: 7px; font-size: 0.94rem; }
.toc a { color: var(--ink); }

/* ---------- Links âncora de seção ---------- */
.jump-links {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin: 0 0 44px;
}
.jump-links a {
  font-size: 0.86rem; font-weight: 600;
  padding: 8px 16px; border-radius: 30px;
  background: var(--blue-50); color: var(--blue-700);
  border: 1px solid var(--blue-100);
}
.jump-links a:hover { background: var(--blue-600); color: #fff; text-decoration: none; }

/* ---------- Callouts ---------- */
.callout {
  border-radius: 12px; padding: 20px 24px; margin: 26px 0;
  border-left: 4px solid var(--blue-600); background: var(--blue-50);
  font-size: 0.95rem; color: var(--ink);
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--blue-900); }
.callout-title {
  display: block; font-weight: 700; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--blue-600); margin-bottom: 8px;
}
.callout.warn { background: #fffbeb; border-left-color: #f59e0b; }
.callout.warn .callout-title { color: #b45309; }
.callout.tip { background: #f0fdf4; border-left-color: #16a34a; }
.callout.tip .callout-title { color: #15803d; }
.callout.tech { background: #f8fafc; border-left-color: #64748b; }
.callout.tech .callout-title { color: #475569; }

/* ---------- Passo a passo numerado ---------- */
.steps { list-style: none; counter-reset: step; margin: 28px 0; padding: 0; }
.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 26px 58px;
  border-left: 2px solid var(--border);
  margin-left: 17px;
  margin-bottom: 0;
}
.steps > li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps > li::before {
  content: counter(step);
  position: absolute; left: -18px; top: -2px;
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff; font-weight: 800; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.steps > li .step-title {
  font-size: 1.05rem; color: var(--blue-900); font-weight: 700;
  margin: 4px 0 8px; display: block;
}
.steps > li p { margin-bottom: 10px; font-size: 0.95rem; }
.steps > li ul { margin: 0 0 10px 20px; font-size: 0.93rem; }

/* ---------- Lista de verificação ---------- */
.checklist { list-style: none; margin: 22px 0; padding: 0; }
.prose .checklist { margin-left: 0; }
.checklist li {
  position: relative; padding-left: 32px; margin-bottom: 12px;
  font-size: 0.96rem; color: var(--ink); list-style: none;
}
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 2px;
  width: 21px; height: 21px; border-radius: 50%;
  background: #dcfce7; color: #15803d;
  font-size: 0.76rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.checklist.x li::before { content: "✕"; background: #fee2e2; color: #b91c1c; }

/* ---------- Comparativo lado a lado ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 28px 0; }
.compare > div {
  border-radius: var(--radius); padding: 24px 26px;
  border: 1px solid var(--border); background: #fff;
}
.compare .good { border-color: #bbf7d0; background: #f0fdf4; }
.compare .bad  { border-color: #fecaca; background: #fef2f2; }
.compare h3 { font-size: 1.02rem; margin: 0 0 14px; color: var(--blue-900); }
.compare ul { list-style: none; margin: 0; padding: 0; }
.compare li { font-size: 0.92rem; padding: 7px 0; color: var(--ink-soft); border-bottom: 1px dashed var(--border); list-style: none; }
.compare li:last-child { border-bottom: none; }

/* ---------- Números / estatísticas ---------- */
.stat-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin: 34px 0;
}
.stat {
  text-align: center; padding: 26px 18px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
}
.stat .stat-num {
  display: block; font-size: 2.1rem; font-weight: 800;
  color: var(--blue-600); letter-spacing: -1px; line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat .stat-label { font-size: 0.85rem; color: var(--ink-soft); margin-top: 8px; display: block; }
.cta-band .stat { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.15); }
.cta-band .stat .stat-num { color: var(--cyan-400); }
.cta-band .stat .stat-label { color: #cbd5e1; }

/* ---------- Glossário ---------- */
.glossary { margin: 26px 0; }
.glossary dt {
  font-weight: 700; color: var(--blue-900); font-size: 1rem;
  margin-top: 18px; padding-bottom: 4px;
}
.glossary dd { margin: 0 0 6px; color: var(--ink-soft); font-size: 0.94rem; }

/* ---------- Especificações chave/valor ---------- */
.spec-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 30px; margin: 24px 0; }
.spec-list > div {
  display: flex; justify-content: space-between; gap: 14px;
  padding: 12px 0; border-bottom: 1px dashed var(--border); font-size: 0.94rem;
}
.spec-list .k { color: var(--ink-soft); }
.spec-list .v { font-weight: 700; color: var(--blue-900); text-align: right; }

/* ---------- Selos ---------- */
.pill-row { display: flex; flex-wrap: wrap; gap: 9px; margin: 20px 0; }
.pill {
  font-size: 0.82rem; font-weight: 600; padding: 6px 14px;
  border-radius: 30px; background: var(--blue-50);
  color: var(--blue-700); border: 1px solid var(--blue-100);
}

/* ---------- Avaliações ---------- */
.rating-summary {
  display: flex; align-items: center; justify-content: center;
  gap: 26px; flex-wrap: wrap; margin: 0 auto 40px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 34px; max-width: 640px;
}
.rating-summary .score { font-size: 3rem; font-weight: 800; color: var(--blue-900); line-height: 1; letter-spacing: -2px; }
.rating-summary .score-meta { font-size: 0.88rem; color: var(--ink-soft); }
.rating-bars { flex: 1; min-width: 200px; }
.rating-bars > div { display: flex; align-items: center; gap: 10px; font-size: 0.78rem; color: var(--ink-soft); margin-bottom: 5px; }
.rating-bars .bar { flex: 1; height: 7px; background: var(--border); border-radius: 4px; overflow: hidden; }
.rating-bars .bar span { display: block; height: 100%; background: #f59e0b; }
.quote .verified { font-size: 0.76rem; color: #15803d; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-top: 4px; }
.quote time { font-size: 0.78rem; color: var(--ink-soft); }

/* ---------- Caixa do autor ---------- */
.author-box {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 26px; margin: 40px 0 0;
}
.author-box .avatar {
  width: 54px; height: 54px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  color: #fff; font-weight: 800; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
}
.author-box .name { font-size: 1rem; margin: 0 0 6px; color: var(--blue-900); font-weight: 700; display: block; }
.author-box p { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }

/* ---------- Posts relacionados ---------- */
.related { margin-top: 46px; border-top: 1px solid var(--border); padding-top: 30px; }
.related .related-title { font-size: 1.15rem; margin: 0 0 18px; color: var(--blue-900); font-weight: 700; display: block; }
.related ul { list-style: none; margin: 0; padding: 0; }
.related li { padding: 11px 0; border-bottom: 1px dashed var(--border); font-size: 0.95rem; list-style: none; }
.related li:last-child { border-bottom: none; }

/* ---------- FAQ dentro de página de conteúdo ---------- */
.faq-list.compact details { background: var(--bg-soft); }
.prose .faq-list { margin: 28px 0; }

/* ---------- Âncoras de seção ---------- */
.anchor-h { scroll-margin-top: 90px; }
h2[id], h3[id] { scroll-margin-top: 90px; }

/* ---------- Página de erro ---------- */
.error-page { text-align: center; padding: 90px 0 80px; }
.error-page .code {
  font-size: clamp(4rem, 14vw, 8rem); font-weight: 800;
  color: var(--blue-100); line-height: 1; letter-spacing: -4px;
}
.error-page h1 { font-size: clamp(1.5rem, 4vw, 2.2rem); color: var(--blue-900); margin: 0 0 16px; }
.error-page p { color: var(--ink-soft); max-width: 560px; margin: 0 auto 30px; }
.error-links { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .nav-cta { display: none; }
  .main-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--blue-900); padding: 14px 20px 20px;
    border-bottom: 1px solid rgba(56, 189, 248, 0.2);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; }
}
@media (max-width: 640px) {
  section { padding: 56px 0; }
  .hero { padding: 60px 0 66px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .compare { grid-template-columns: 1fr; }
  .spec-list { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat { padding: 20px 12px; }
  .stat .stat-num { font-size: 1.7rem; }
  .rating-summary { padding: 22px; gap: 18px; }
  .author-box { flex-direction: column; gap: 14px; }
  .steps > li { padding-left: 48px; }
  .toc { padding: 18px 20px; }
  .table-wrap { margin-left: -20px; margin-right: -20px; border-radius: 0; border-left: none; border-right: none; }
}