:root{
  --bg:#07111f;--panel:#0c1a2b;--panel2:#10243a;--text:#edf4ff;--muted:#9eb0c7;
  --accent:#61e7b9;--accent2:#76a9ff;--danger:#ffb56b;--line:#20364e;--shadow:0 18px 60px rgba(0,0,0,.28)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:
radial-gradient(circle at 10% 0%,#123157 0,transparent 28%),
radial-gradient(circle at 90% 10%,#13382e 0,transparent 24%),var(--bg);
color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}
a{color:inherit}.wrap{width:min(1120px,92%);margin:auto}.nav{display:flex;align-items:center;justify-content:space-between;padding:22px 0}
.logo{font-size:22px;font-weight:900;letter-spacing:-.04em}.logo span{color:var(--accent)}
.navlinks{display:flex;gap:22px;align-items:center}.navlinks a{text-decoration:none;color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;padding:13px 19px;font-weight:800;border:1px solid transparent;cursor:pointer}
.btn.primary{background:var(--accent);color:#042019}.btn.secondary{background:transparent;border-color:var(--line);color:var(--text)}
.hero{padding:70px 0 56px;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.eyebrow{display:inline-block;border:1px solid #2c765f;background:#0d2a24;color:#8ff2cf;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
h1{font-size:clamp(44px,7vw,78px);line-height:.98;letter-spacing:-.065em;margin:18px 0 22px;max-width:850px}
h2{font-size:clamp(30px,4vw,48px);line-height:1.05;letter-spacing:-.045em;margin:0 0 16px}
h3{font-size:21px;line-height:1.2;margin:0 0 10px}.lead{font-size:20px;color:#c1cee0;max-width:720px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.micro{font-size:12px;color:var(--muted)}
.mock{background:linear-gradient(160deg,var(--panel2),#081523);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.mockbar{display:flex;gap:6px;margin-bottom:14px}.dot{width:8px;height:8px;border-radius:50%;background:#456}.mockcard{background:#08131f;border:1px solid #1a3249;border-radius:14px;padding:16px;margin:10px 0}
.kpi{display:flex;justify-content:space-between;gap:20px}.kpi b{font-size:24px}.green{color:var(--accent)}.muted{color:var(--muted)}
section{padding:74px 0}.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.015)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:rgba(12,26,43,.82);border:1px solid var(--line);border-radius:18px;padding:22px}
.num{font-size:12px;color:var(--accent);font-weight:900;letter-spacing:.1em}.card p{color:var(--muted);margin-bottom:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{padding:18px;border-left:2px solid var(--accent);background:rgba(12,26,43,.55)}
.price{display:grid;grid-template-columns:1fr .75fr;gap:28px;align-items:stretch}.pricebox{background:#edf4ff;color:#07111f;border-radius:22px;padding:32px}
.pricebig{font-size:60px;font-weight:950;letter-spacing:-.06em;line-height:1}.pricebox ul{padding-left:20px}.pricebox .btn{width:100%;margin-top:16px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:16px 18px;margin:10px 0}.faq summary{font-weight:800;cursor:pointer}
footer{padding:36px 0 50px;color:var(--muted);font-size:13px}
.course-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:#08131f;border-right:1px solid var(--line);padding:24px;position:sticky;top:0;height:100vh;overflow:auto}
.sidebar a{display:block;text-decoration:none;color:var(--muted);padding:9px 10px;border-radius:9px;font-size:14px}.sidebar a:hover{background:#10243a;color:var(--text)}
.course-main{padding:42px min(7vw,80px)}.lesson{max-width:850px;margin:0 auto 70px}.lesson h1{font-size:48px}.lesson h2{font-size:32px;margin-top:34px}.callout{border:1px solid #2b705b;background:#0b2822;padding:16px 18px;border-radius:13px}
.code{white-space:pre-wrap;background:#050c14;border:1px solid var(--line);padding:16px;border-radius:12px;color:#cfe1f6;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.checks{list-style:none;padding:0}.checks li{margin:8px 0}.checks li:before{content:"✓";color:var(--accent);font-weight:900;margin-right:10px}
.downloads{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.download{border:1px solid var(--line);border-radius:12px;padding:15px;text-decoration:none;background:#0b1929}
.progress{height:8px;background:#13273b;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;width:0;background:var(--accent)}
@media(max-width:800px){.hero,.price,.course-shell{grid-template-columns:1fr}.grid3,.steps{grid-template-columns:1fr}.sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line)}.navlinks a:not(.btn){display:none}.downloads{grid-template-columns:1fr}.course-main{padding:30px 5%}}