:root{
  --bg:#f7f9fc;
  --accent:#0f172a;
  --accent-2:#22c55e;
  --muted:#667085;
  --card:#ffffff;
  --radius:12px;
  --maxw:1100px;
  --gap:20px;
  font-size:16px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background:var(--bg);
  color:#0f172a;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:24px;}
.site-header{background:linear-gradient(180deg,#0f172a 0%, #122339 60%);color:#fff;padding-bottom:40px}
.brand h1{margin:0;font-size:22px;letter-spacing:0.4px}
.tag{margin:4px 0 0;font-size:13px;opacity:0.9}
.main-nav{display:flex;gap:14px;align-items:center}
.main-nav a{color:rgba(255,255,255,0.9);text-decoration:none;font-weight:600;font-size:14px}
.hero{padding:36px 0}
.hero-grid{display:grid;grid-template-columns:1fr 320px;gap:var(--gap);align-items:center}
.hero-text h2{font-size:28px;margin:0 0 10px}
.hero-text p{color:#dbeafe;margin:0 0 18px}
.hero-ctas{display:flex;gap:12px;align-items:center}
.btn, .btn-block{background:var(--accent-2);color:#fff;padding:12px 16px;border-radius:10px;border:0;cursor:pointer;text-decoration:none;font-weight:700}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.12);padding:10px 14px;border-radius:10px;text-decoration:none}
.trust{list-style:none;padding:0;margin:16px 0 0;color:#e6f0ff}
.hero-card{background:var(--card);border-radius:12px;padding:18px;color:var(--accent);box-shadow:0 8px 24px rgba(2,6,23,0.12)}
.card-head{font-weight:700;margin-bottom:6px}
.section{padding:48px 0;background:transparent}
.features{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin-top:20px}
.features article{background:var(--card);padding:18px;border-radius:12px;min-width:220px;box-shadow:0 6px 18px rgba(2,6,23,0.06)}
.cards-grid{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin-top:20px}
.course-card{background:var(--card);padding:20px;border-radius:12px;width:260px;text-align:left;box-shadow:0 6px 18px rgba(2,6,23,0.06)}
.course-card.featured{border:2px solid var(--accent-2)}
.course-card h4{margin:0 0 6px}
.price{margin-top:12px}
.price strong{display:block;font-size:20px}
.price small{display:block;color:var(--muted);margin-top:6px}
.btn-select{margin-top:12px;padding:10px;border-radius:8px;border:0;background:var(--accent);color:#fff;width:100%;cursor:pointer}
.test-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
blockquote{background:var(--card);padding:14px;border-radius:10px}
.price-table{width:100%;border-collapse:collapse;margin-top:16px;background:var(--card);border-radius:10px;overflow:hidden;box-shadow:0 8px 24px rgba(2,6,23,0.06)}
.price-table th, .price-table td{padding:12px;text-align:left;border-bottom:1px solid rgba(15,23,42,0.06)}
.lead-form{max-width:760px;margin:auto;background:var(--card);padding:18px;border-radius:12px;box-shadow:0 8px 24px rgba(2,6,23,0.06)}
.lead-form .row{display:flex;gap:12px;margin-bottom:10px}
.lead-form input,.lead-form select,.lead-form textarea{flex:1;padding:10px;border-radius:8px;border:1px solid rgba(2,6,23,0.06)}
.lead-form textarea{min-height:80px;resize:vertical}
.form-actions{display:flex;gap:10px;align-items:center}
.form-message{margin-top:10px;color:var(--accent)}
.small{font-size:13px;color:var(--muted);margin-top:8px}
.site-footer{padding:20px 0;background:#071023;color:#9fb0c8;margin-top:30px}
.footer-nav a{color:#cfe7ff;margin-left:12px;text-decoration:none}
.wa-float{position:fixed;right:18px;bottom:18px;background:var(--accent-2);color:#fff;width:56px;height:56px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:22px;text-decoration:none;box-shadow:0 8px 20px rgba(2,6,23,0.18)}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .main-nav{display:none}
  .hero-text h2{font-size:22px}
  .test-grid{grid-template-columns:1fr}
  .lead-form .row{flex-direction:column}
}