:root{
  --bg:#0b1120; --bg-soft:#0f172a; --surface:#111a2e; --line:#1e293b;
  --txt:#e6edf6; --muted:#9fb0c8; --brand:#3b82f6; --brand-2:#22d3ee;
  --accent:#a78bfa; --ok:#34d399;
  --radius:16px; --maxw:760px; --maxw-wide:1120px;
  --grad:linear-gradient(135deg,#3b82f6 0%,#22d3ee 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw-wide);margin:0 auto;padding:0 22px}
.narrow{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* Header (apenas o cabeçalho de navegação no topo da página, não o <header> do artigo) */
body > header{position:sticky;top:0;z-index:50;background:rgba(11,17,32,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:900;font-size:1.18rem;letter-spacing:-.03em;color:var(--txt)}
.logo span{color:var(--brand-2)}
.nav-links{display:flex;gap:24px;font-size:.92rem;font-weight:600}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:#fff;text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:.95rem;border:1px solid transparent;transition:.2s;cursor:pointer}
.btn-primary{background:var(--grad);color:#06121f}
.btn-primary:hover{transform:translateY(-2px);text-decoration:none}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;align-items:center;justify-content:center;width:42px;height:40px;background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--txt);font-size:1.15rem;cursor:pointer;line-height:1}
@media(max-width:760px){
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .nav-links.open{display:flex;flex-direction:column;gap:16px;position:absolute;top:68px;left:0;right:0;background:var(--bg-soft);border-bottom:1px solid var(--line);padding:18px 22px;z-index:60}
}

/* Breadcrumb */
.crumbs{font-size:.85rem;color:var(--muted);padding:22px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-2)}
.crumbs span{color:#5b6b85}

/* Post header */
.post-head{padding:24px 0 6px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2);margin-bottom:14px}
h1{font-size:clamp(1.9rem,4.6vw,2.8rem);line-height:1.18;font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.post-meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.88rem;align-items:center;border-bottom:1px solid var(--line);padding-bottom:22px}

/* Prose */
.prose{padding:28px 0 6px}
.prose h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:800;letter-spacing:-.02em;margin:40px 0 14px;line-height:1.25;scroll-margin-top:84px}
.prose h3{font-size:1.2rem;font-weight:700;margin:26px 0 10px}
.prose p{color:#c7d2e4;margin:0 0 16px;font-size:1.05rem}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;color:#c7d2e4}
.prose li{margin-bottom:8px;font-size:1.05rem}
.prose strong{color:var(--txt)}
.prose a{color:var(--brand-2);font-weight:600}
.prose blockquote{border-left:3px solid var(--brand);background:var(--surface);padding:14px 18px;border-radius:0 10px 10px 0;margin:0 0 18px;color:var(--txt)}

/* Índice (TOC) */
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin:6px 0 26px}
.toc strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:12px}
.toc ol{margin:0;padding-left:18px;display:grid;gap:8px}
.toc a{color:#c7d2e4;font-size:.95rem}

/* Caixa de perguntas */
.qbox{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:6px 24px;margin:0 0 18px}

/* Caixa de autor (EEAT) */
.author{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:34px 0}
.author .ava{flex:0 0 auto;width:54px;height:54px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:900;color:#06121f}
.author h4{font-size:1rem;margin-bottom:4px}
.author p{color:var(--muted);font-size:.9rem;margin:0}

/* CTA box */
.cta-box{background:linear-gradient(160deg,rgba(59,130,246,.12),rgba(34,211,238,.06));border:1px solid #2b4a6e;border-radius:var(--radius);padding:32px;text-align:center;margin:36px 0}
.cta-box h3{font-size:1.4rem;margin-bottom:10px;letter-spacing:-.01em}
.cta-box p{color:var(--muted);margin-bottom:18px}

/* FAQ */
.faq-wrap{padding:6px 0 10px}
.faq{display:grid;gap:12px;margin-top:14px}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 20px}
details[open]{border-color:#2b4a6e}
summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;display:flex;justify-content:space-between;gap:14px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--brand-2);font-size:1.4rem}
details[open] summary::after{content:"–"}
details p{padding:0 0 20px;color:#c7d2e4}

/* Listagem do blog */
.blog-hero{padding:46px 0 4px}
.blog-hero p{color:var(--muted);font-size:1.1rem;max-width:640px;margin-top:12px}
.post-list{display:grid;gap:18px;padding:26px 0 10px}
.post-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.post-card:hover{border-color:#2b4a6e;transform:translateY(-3px);text-decoration:none}
.post-card .tag{font-size:.74rem;font-weight:700;color:var(--brand-2);letter-spacing:.05em;text-transform:uppercase}
.post-card h2{font-size:1.3rem;margin:9px 0;color:var(--txt);letter-spacing:-.01em;line-height:1.3}
.post-card p{color:var(--muted);font-size:.97rem}
.post-card .meta{color:#6f7f99;font-size:.82rem;margin-top:12px}

/* Footer */
footer{padding:46px 0;color:var(--muted);font-size:.86rem;border-top:1px solid var(--line);margin-top:34px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:var(--muted)}
footer a:hover{color:var(--brand-2)}