/* Blog do Engenheiro do Tráfego: mesma identidade do guia-gmb (preto + amarelo) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --preto: #0A0A0A;
  --fundo-2: #111111;
  --borda: #2A2A2A;
  --amarelo: #F5C000;
  --amarelo-fundo: #1F1A00;
  --texto: #CCCCCC;
  --texto-forte: #FFFFFF;
  --texto-suave: #999999;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--preto);
  color: var(--texto);
  font-size: 17px;
  line-height: 1.75;
}

a { color: var(--amarelo); }
strong { color: var(--texto-forte); font-weight: 600; }

/* TOPO */
.topo { border-bottom: 1px solid var(--borda); }
.topo-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.topo-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--texto-forte); font-size: 13px; letter-spacing: .06em; }
.topo-logo b { color: var(--amarelo); font-weight: 700; }
.topo-logo img { width: 36px; height: 36px; object-fit: contain; }
.topo-nav { display: flex; gap: 20px; }
.topo-nav a { color: var(--texto); text-decoration: none; font-size: 14px; font-weight: 500; }
.topo-nav a:hover { color: var(--amarelo); }

/* HERO */
.hero { padding: 56px 20px 48px; text-align: center; border-bottom: 1px solid var(--borda); }
.trilha { font-size: 13px; color: var(--texto-suave); margin-bottom: 24px; }
.trilha a { color: var(--texto-suave); text-decoration: none; }
.trilha a:hover { color: var(--amarelo); }
.hero h1 {
  font-family: 'DM Serif Display', Georgia, serif; font-weight: 400;
  font-size: clamp(32px, 6vw, 52px); line-height: 1.15;
  color: var(--texto-forte); max-width: 760px; margin: 0 auto 20px;
}
.hero h1 em { color: var(--amarelo); }
.hero-sub { font-size: 19px; color: #AAAAAA; max-width: 560px; margin: 0 auto 20px; line-height: 1.6; }
.hero-meta { font-size: 14px; color: var(--texto-suave); }

/* CONTEÚDO */
.content { max-width: 700px; margin: 0 auto; padding: 0 20px; }
.intro { padding-top: 48px; }
.intro p { font-size: 18px; margin-bottom: 20px; color: #DDDDDD; }

p { margin-bottom: 18px; }

h2 {
  font-family: 'DM Serif Display', Georgia, serif; font-weight: 400;
  font-size: clamp(26px, 4vw, 34px); line-height: 1.2;
  color: var(--texto-forte); margin-bottom: 18px;
}
h3 { font-size: 19px; font-weight: 700; color: var(--texto-forte); margin-bottom: 10px; line-height: 1.35; }

.section { padding: 48px 0; border-top: 1px solid var(--borda); scroll-margin-top: 16px; }
.section-label { font-size: 12px; font-weight: 600; color: var(--amarelo); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }

/* RESPOSTA RÁPIDA */
.resposta { background: var(--fundo-2); border: 1px solid var(--borda); border-left: 3px solid var(--amarelo); border-radius: 0 8px 8px 0; padding: 22px 24px; margin: 12px 0 28px; }
.resposta p { margin: 0; font-size: 16px; }
.resposta-titulo, .destaque-titulo, .alerta-titulo, .sumario-titulo {
  display: block; font-size: 12px; font-weight: 700; color: var(--amarelo);
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px;
}

/* SUMÁRIO */
.sumario { border: 1px solid var(--borda); border-radius: 8px; padding: 20px 24px; margin-bottom: 40px; }
.sumario ol { padding-left: 20px; }
.sumario li { margin: 4px 0; font-size: 15px; }
.sumario a { color: var(--texto); text-decoration: none; }
.sumario a:hover { color: var(--amarelo); }

/* PASSOS */
.passo { display: flex; gap: 18px; margin: 32px 0; }
.passo-num {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--amarelo); color: var(--preto); font-weight: 700; font-size: 17px;
  display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.passo-conteudo p { font-size: 16px; }

/* CAIXAS */
.destaque, .alerta { border-radius: 8px; padding: 20px 24px; margin: 28px 0; font-size: 16px; }
.destaque { background: var(--amarelo-fundo); border-left: 3px solid var(--amarelo); border-radius: 0 8px 8px 0; }
.alerta { background: #1A0D00; border: 1px solid #5A3A00; }
.alerta .alerta-titulo { color: #FF9F43; }

/* LISTA */
.lista { list-style: none; margin: 16px 0 24px; }
.lista li { position: relative; padding: 10px 0 10px 26px; border-bottom: 1px solid var(--borda); font-size: 16px; }
.lista li:last-child { border-bottom: none; }
.lista li::before { content: ''; position: absolute; left: 0; top: 20px; width: 8px; height: 8px; border-radius: 50%; background: var(--amarelo); }

/* COMPARATIVO */
.comparativo { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 24px 0 28px; }
.comp-card { border-radius: 8px; padding: 18px 20px; }
.comp-card.ruim { background: #1A0000; border: 1px solid #4A0000; }
.comp-card.bom { background: var(--amarelo-fundo); border: 1px solid #4A3A00; }
.comp-titulo { font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.comp-card.ruim .comp-titulo { color: #FF6B6B; }
.comp-card.bom .comp-titulo { color: var(--amarelo); }
.comp-item { font-size: 14px; padding: 5px 0; border-bottom: 1px solid rgba(255,255,255,.06); color: #DDDDDD; }
.comp-item:last-child { border-bottom: none; }

/* FAQ */
.faq { padding: 18px 0; border-bottom: 1px solid var(--borda); }
.faq:last-child { border-bottom: none; }
.faq p { margin: 0; font-size: 16px; }

.fechamento { padding-bottom: 32px; }

/* AUTOR */
.autor { display: flex; gap: 18px; align-items: flex-start; border: 1px solid var(--borda); border-radius: 8px; padding: 20px; margin: 8px 0 64px; }
.autor img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.autor-nome { font-weight: 700; color: var(--texto-forte); margin-bottom: 4px; }
.autor p { font-size: 15px; margin: 0; }

/* CTA */
.cta-section { background: var(--fundo-2); border-top: 1px solid var(--borda); padding: 64px 20px; text-align: center; }
.cta-inner { max-width: 560px; margin: 0 auto; }
.cta-section p { color: #AAAAAA; margin-bottom: 28px; }
.btn-cta {
  display: inline-block; background: var(--amarelo); color: var(--preto);
  font-weight: 700; font-size: 16px; padding: 16px 32px; border-radius: 6px; text-decoration: none;
}
.btn-cta:hover { opacity: .9; }
.cta-note { font-size: 14px; margin-top: 20px; margin-bottom: 0 !important; }

/* LISTA DE POSTS (/blog/) */
.posts { max-width: 760px; margin: 0 auto; padding: 40px 20px 72px; }
.post-card { display: block; text-decoration: none; border: 1px solid var(--borda); border-radius: 10px; padding: 26px; margin-bottom: 18px; transition: border-color .15s; }
.post-card:hover { border-color: var(--amarelo); }
.post-card .section-label { margin-bottom: 8px; }
.post-card h2 { font-size: clamp(22px, 3.4vw, 28px); margin-bottom: 10px; }
.post-card p { color: var(--texto); font-size: 16px; margin-bottom: 12px; }
.post-card .post-meta { font-size: 13px; color: var(--texto-suave); margin: 0; }

/* RODAPÉ */
footer { border-top: 1px solid var(--borda); padding: 24px 20px; text-align: center; font-size: 13px; color: #777777; }
footer a { color: var(--texto-suave); text-decoration: none; }
footer a:hover { color: var(--amarelo); }

@media (max-width: 600px) {
  .hero { padding: 40px 16px 36px; }
  .content { padding: 0 16px; }
  .comparativo { grid-template-columns: 1fr; }
  .passo { gap: 14px; }
  .passo-num { width: 34px; height: 34px; font-size: 15px; }
  .topo-logo span { display: none; }
  .autor { flex-direction: column; }
}