:root{
  --navy:#102a43; --blue:#1f6feb; --sky:#eaf4ff; --gold:#f4b942;
  --text:#243b53; --muted:#627d98; --white:#fff; --light:#f7fafc;
  --border:#d9e2ec; --shadow:0 18px 45px rgba(16,42,67,.10);
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--text);line-height:1.7;background:#fff}
a{color:var(--blue);text-decoration:none} a:hover{text-decoration:underline}
.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(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{font-weight:900;color:var(--navy);font-size:1.05rem;line-height:1.15}.brand span{color:var(--blue)}
nav{display:flex;gap:16px;flex-wrap:wrap;align-items:center}nav a{font-size:.9rem;font-weight:700;color:var(--text)}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;font-weight:800;background:var(--blue);color:#fff;border:0;box-shadow:0 8px 20px rgba(31,111,235,.22)}.btn:hover{color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn.gold{background:var(--gold);color:var(--navy)}
.hero{background:linear-gradient(135deg,#f2f8ff 0%,#fff 55%,#eef8ff 100%);padding:72px 0 58px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
.eyebrow{display:inline-block;background:#dff0ff;color:#1459a6;padding:6px 11px;border-radius:999px;font-size:.82rem;font-weight:900;margin-bottom:12px}
h1{font-size:clamp(2.2rem,5vw,4rem);line-height:1.08;color:var(--navy);margin:0 0 18px;letter-spacing:-1.5px}
h2{font-size:clamp(1.65rem,3vw,2.35rem);line-height:1.2;color:var(--navy);margin:0 0 15px}
h3{color:var(--navy);margin-bottom:8px}
.lead{font-size:1.12rem;color:var(--muted);max-width:700px}
.hero-card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:10px;box-shadow:var(--shadow)}
.hero-card img{display:block;width:100%;height:390px;object-fit:cover;border-radius:18px}
section{padding:66px 0}.light{background:var(--light)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:0 8px 25px rgba(16,42,67,.05)}
.card p{color:var(--muted);margin:6px 0 0}.icon{font-size:1.7rem}
ul{padding-left:20px}.check li{margin:8px 0}.check li::marker{color:var(--blue)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:25px}.stat{padding:18px;border-radius:16px;background:#fff;border:1px solid var(--border);text-align:center}.stat strong{display:block;font-size:1.5rem;color:var(--navy)}
.cta{background:var(--navy);color:#fff;border-radius:24px;padding:38px}.cta h2{color:#fff}.cta p{color:#d9e2ec}
.breadcrumb{padding:20px 0 0;font-size:.9rem;color:var(--muted)}
.review{position:relative}.stars{color:#e7a91b;font-size:1.1rem;letter-spacing:1px}
.review small{color:var(--muted)}
.faq details{border:1px solid var(--border);border-radius:14px;padding:16px 18px;margin:10px 0;background:#fff}.faq summary{font-weight:800;color:var(--navy);cursor:pointer}
footer{background:#0b1f33;color:#d9e2ec;padding:45px 0 90px}footer a{color:#b9dcff}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px}
.whatsapp{position:fixed;right:20px;bottom:20px;z-index:50;background:#25d366;color:#fff;padding:13px 18px;border-radius:999px;font-weight:900;box-shadow:0 10px 25px rgba(0,0,0,.2)}.whatsapp:hover{color:#fff;text-decoration:none}
.badge{display:inline-flex;gap:7px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 12px;margin:5px 4px 0 0;font-weight:700;color:var(--navy)}
.teacher{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center}.teacher img{width:150px;height:150px;object-fit:cover;border-radius:18px}
@media(max-width:820px){.hero-grid,.grid2,.footer-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}nav{display:none}.hero{padding:50px 0}.hero-card img{height:300px}}
@media(max-width:520px){.grid,.stats{grid-template-columns:1fr}.teacher{grid-template-columns:1fr}.teacher img{width:100%;height:260px}}