:root{
  --bg:#0b1220;
  --brand:#0f3d63;      /* azul petróleo */
  --brand2:#0b2f4f;
  --ok:#2FA36B;         /* verde check */
  --text:#0f172a;
  --muted:#475569;
  --card:#ffffff;
  --line:#e2e8f0;
  --soft:#f1f5f9;
}

*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial; color:var(--text); background:#fff}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:12px;border:1px solid transparent;
  font-weight:700;cursor:pointer
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand2)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-outline:hover{background:var(--soft)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(15,61,99,.08);color:var(--brand);font-weight:700;font-size:13px}

header{
  position:sticky;top:0;z-index:5;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line)
}
.nav{display:flex;align-items:center;justify-content:space-between; padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:44px}
.navlinks{display:flex;gap:18px;align-items:center}
.navlinks a{color:var(--muted);font-weight:700}
.navlinks a:hover{color:var(--brand)}

.hero{
  background:linear-gradient(135deg, rgba(15,61,99,.10), rgba(47,163,107,.10));
  padding:54px 0 30px;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center}
h1{font-size:42px;line-height:1.1;margin:10px 0 12px}
p.lead{font-size:18px;color:var(--muted);margin:0 0 18px}
.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;
  box-shadow:0 18px 40px rgba(2,6,23,.06)
}
.hero-card h3{margin:6px 0 10px}
.hero-card ul{margin:0;padding-left:18px;color:var(--muted)}
.hero-card li{margin:8px 0}

section{padding:44px 0}
.section-title{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.section-title h2{margin:0;font-size:28px}
.section-title p{margin:0;color:var(--muted)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;
}
.card h4{margin:0 0 8px}
.card p{margin:0;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.step{border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff}
.step b{color:var(--brand)}
.step p{margin:8px 0 0;color:var(--muted);font-size:14px}

.cta{
  background:linear-gradient(135deg, var(--brand), var(--brand2));
  color:#fff;border-radius:22px;padding:26px;border:1px solid rgba(255,255,255,.15)
}
.cta h2{margin:0 0 10px}
.cta p{margin:0 0 16px;opacity:.9}
.cta .btn{background:#fff;color:var(--brand)}
.cta .btn:hover{background:var(--soft)}

.faq details{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff;margin:10px 0}
.faq summary{cursor:pointer;font-weight:800;color:var(--brand)}
.faq p{margin:10px 0 0;color:var(--muted)}

footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted)}
.small{font-size:13px}

@media (max-width: 960px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  h1{font-size:34px}
}