:root{
  --azul:#0f5fc2;
  --amarelo:#ffb703;
  --escuro:#0b1f33;
  --texto:#1d2b39;
  --muted:#5d6b7a;
  --borda:#e4e9ef;
  --bg:#f7f9fc;
  --max:880px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--texto);
  background:#fff;
  line-height:1.7;
  font-size:18px;
}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
a{color:var(--azul);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

/* Header */
.site-header{border-bottom:1px solid var(--borda);position:sticky;top:0;background:#fff;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1100px}
.logo{font-weight:800;font-size:1.25rem;color:var(--escuro);display:flex;align-items:center;gap:8px}
.logo:hover{text-decoration:none}
.logo-mark{font-size:1.4rem}
.nav a{margin-left:22px;color:var(--texto);font-weight:600}

/* Hero */
.hero{background:linear-gradient(135deg,var(--escuro),var(--azul));color:#fff;padding:72px 0;text-align:center}
.hero h1{font-size:2.4rem;margin:0 0 14px}
.hero-sub{font-size:1.15rem;max-width:620px;margin:0 auto 26px;opacity:.92}
.btn{display:inline-block;background:var(--amarelo);color:var(--escuro);font-weight:700;padding:13px 30px;border-radius:8px}
.btn:hover{text-decoration:none;filter:brightness(1.05)}

/* Blog listing */
.blog-section{padding:56px 20px}
.blog-section h2{font-size:1.9rem;margin:0 0 8px;color:var(--escuro)}
.section-intro{color:var(--muted);max-width:640px;margin:0 0 36px}
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.post-card{border:1px solid var(--borda);border-radius:12px;padding:22px;transition:.18s;background:#fff}
.post-card:hover{box-shadow:0 8px 24px rgba(15,95,194,.10);transform:translateY(-3px)}
.post-card h3{margin:0 0 10px;font-size:1.18rem;line-height:1.35}
.post-card h3 a{color:var(--escuro)}
.post-card p{color:var(--muted);font-size:.98rem;margin:0 0 14px}
.post-card .card-link{font-weight:700;font-size:.95rem}

/* Article */
.post{padding:34px 20px 60px}
.breadcrumb{font-size:.9rem;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.post-header h1{font-size:2.1rem;line-height:1.25;color:var(--escuro);margin:0 0 12px}
.post-meta{color:var(--muted);font-size:.92rem;margin:0 0 30px}
.post-content{font-size:1.06rem}
.post-content h2{font-size:1.55rem;color:var(--escuro);margin:38px 0 12px;line-height:1.3}
.post-content h3{font-size:1.22rem;color:var(--escuro);margin:28px 0 10px}
.post-content p{margin:0 0 18px}
.post-content ul,.post-content ol{margin:0 0 18px;padding-left:24px}
.post-content li{margin:0 0 8px}
.post-content a{font-weight:600;border-bottom:1px solid rgba(15,95,194,.3)}
.post-content a:hover{text-decoration:none;border-bottom-color:var(--azul)}
.post-content blockquote{border-left:4px solid var(--amarelo);margin:0 0 18px;padding:6px 18px;color:var(--muted);background:var(--bg);border-radius:0 8px 8px 0}
.post-content table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:.96rem}
.post-content th,.post-content td{border:1px solid var(--borda);padding:10px 12px;text-align:left}
.post-content th{background:var(--bg)}

/* CTA + related */
.cta-box{background:linear-gradient(135deg,var(--azul),var(--escuro));color:#fff;border-radius:14px;padding:30px;margin:46px 0}
.cta-box h3{margin:0 0 8px;font-size:1.3rem}
.cta-box p{margin:0;opacity:.92}
.related{margin-top:46px;border-top:1px solid var(--borda);padding-top:26px}
.related h2{font-size:1.4rem;color:var(--escuro)}
.related-list{list-style:none;padding:0}
.related-list li{margin:0 0 10px}
.related-list a{font-weight:600}

/* Footer */
.site-footer{background:var(--escuro);color:#cdd7e2;padding:40px 0;margin-top:60px;text-align:center}
.site-footer strong{color:#fff}
.site-footer .muted{color:#8ea2b8;font-size:.9rem;margin:6px 0 0}

/* Botão flutuante de WhatsApp */
.whatsapp-float{
  position:fixed;right:20px;bottom:20px;z-index:50;
  display:flex;align-items:center;gap:10px;
  background:#25d366;color:#fff;font-weight:700;
  padding:13px 20px;border-radius:50px;
  box-shadow:0 6px 20px rgba(0,0,0,.25);
  text-decoration:none;font-size:1rem;
}
.whatsapp-float:hover{text-decoration:none;filter:brightness(1.05)}
.whatsapp-float .wa-icon{font-size:1.4rem;line-height:1}
.whatsapp-float .wa-text{white-space:nowrap}
.contato-whats{
  display:inline-flex;align-items:center;gap:8px;
  background:#25d366;color:#fff;font-weight:700;
  padding:12px 22px;border-radius:8px;text-decoration:none;font-size:1.05rem;
}
.contato-whats:hover{text-decoration:none;filter:brightness(1.05)}

@media(max-width:600px){
  .whatsapp-float .wa-text{display:none}
  .whatsapp-float{padding:14px;right:16px;bottom:16px}
  body{font-size:17px}
  .hero h1{font-size:1.9rem}
  .post-header h1{font-size:1.6rem}
  .nav a{margin-left:14px;font-size:.95rem}
}