:root{
  --navy:#173b57;
  --blue:#2f6388;
  --blue2:#477fa4;
  --ink:#17212b;
  --muted:#667685;
  --light:#f4f7f9;
  --white:#ffffff;
  --line:#dbe4ea;
  --success:#287a57;
  --danger:#b64d4d;
  --shadow:0 12px 35px rgba(23,59,87,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.55;
}
a{text-decoration:none;color:inherit}
.container{width:min(1120px,92%);margin:auto}
header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);letter-spacing:.3px}
.brand img{width:52px;height:52px;object-fit:contain}
.brand span{font-size:23px;letter-spacing:.8px}
nav{display:flex;gap:22px;align-items:center}
nav a{font-size:14px;color:#425563;font-weight:700}
nav a:hover{color:var(--blue)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:11px;padding:13px 20px;font-weight:800;cursor:pointer;
  transition:.2s transform,.2s box-shadow,.2s background;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(23,59,87,.16)}
.btn-primary{background:var(--navy);color:#fff}
.btn-secondary{background:#e8f0f5;color:var(--navy)}
.hero{
  background:linear-gradient(135deg,#f7fafc 0%,#eef4f7 100%);
  padding:76px 0 70px;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center}
.eyebrow{
  display:inline-block;background:#dfeaf1;color:var(--navy);
  padding:7px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.7px;
  text-transform:uppercase
}
h1{font-size:clamp(38px,5vw,62px);line-height:1.04;margin:18px 0 20px;color:var(--navy);letter-spacing:-1.5px}
.hero h1 span{color:var(--blue)}
.lead{font-size:19px;color:#536673;max-width:690px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);
  padding:30px;text-align:center
}
.hero-card img{width:100%;max-width:300px;max-height:320px;object-fit:contain}
.mini-note{font-size:12px;color:var(--muted);margin-top:10px}
section{padding:72px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 38px}
.section-head h2{font-size:36px;color:var(--navy);margin:0 0 10px}
.section-head p{color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;box-shadow:0 5px 18px rgba(23,59,87,.05)
}
.icon{
  width:48px;height:48px;border-radius:13px;background:#e6eff4;color:var(--navy);
  display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:16px
}
.card h3{margin:0 0 8px;color:var(--navy)}
.card p{color:var(--muted);margin:0}
.test-section{background:var(--light)}
.test-wrap{max-width:850px;margin:auto}
.test-box{
  background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden
}
.test-top{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center}
.progress{height:7px;background:#e8eef2;border-radius:99px;overflow:hidden;margin-top:10px}
.progress > div{height:100%;width:0;background:var(--blue);transition:.3s}
.q{padding:30px 28px}
.q h3{font-size:21px;line-height:1.35;color:var(--navy);margin:0 0 22px}
.options{display:grid;gap:12px}
.option{
  width:100%;text-align:left;padding:15px 17px;border:1px solid var(--line);background:#fff;
  border-radius:12px;cursor:pointer;font-size:15px;color:#324654
}
.option:hover{border-color:var(--blue2);background:#f8fbfd}
.option.correct{border-color:#76ad91;background:#edf8f2}
.option.wrong{border-color:#d99393;background:#fff1f1}
.feedback{margin-top:20px;padding:17px;border-radius:12px;background:#f6f9fb;color:#445764;display:none}
.feedback strong{color:var(--navy)}
.test-actions{display:flex;justify-content:space-between;gap:12px;padding:20px 28px;border-top:1px solid var(--line)}
.result{display:none;text-align:center;padding:42px 28px}
.score{font-size:58px;font-weight:900;color:var(--navy);margin:8px 0}
.result p{color:var(--muted)}
.notice{
  margin-top:18px;padding:13px 15px;border-radius:11px;background:#eef4f7;color:#526571;font-size:13px
}
.cta{
  background:var(--navy);color:#fff;border-radius:28px;padding:50px;
  display:flex;align-items:center;justify-content:space-between;gap:30px
}
.cta h2{margin:0 0 8px;font-size:34px}
.cta p{margin:0;color:#dce7ed}
.cta .btn{background:#fff;color:var(--navy)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta .btn-whatsapp{background:#25d366;color:#fff}
.legal{max-width:760px;margin:0 auto;padding:60px 0}
.legal h2{color:var(--navy);font-size:32px;margin:0 0 8px}
.legal .updated{color:var(--muted);font-size:13px;margin:0 0 34px}
.legal h3{color:var(--navy);font-size:19px;margin:28px 0 10px}
.legal p{color:#425563;margin:0 0 14px}
.legal a{color:var(--blue);text-decoration:underline}
footer{background:#102d42;color:#d9e4ea;padding:32px 0}
.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}
.footer-small{font-size:12px;color:#a9bcc8}
.footer-small a{text-decoration:underline}
.footer-small a:hover{color:#fff}
@media(max-width:850px){
  nav{display:none}
  .hero-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .hero-card{order:-1}
  .cta{padding:35px 25px;flex-direction:column;align-items:flex-start}
}