:root{
  --p-900:#15002c;   /* тёмные карточки */
  --p-800:#270058;   /* верх градиента */
  --p-700:#380080;
  --p-600:#430092;   /* середина */
  --p-500:#4800a8;   /* светлые ленты */
  --p-400:#5400ba;   /* низ градиента */
  --yellow:#fdfd00;
  --silver-a:#eef4ff;
  --silver-b:#8d9bb8;
  --ink:#1a1a1a;
  --grey:#f3f3f3;
  --grey-2:#e9e9e9;
  --white:#fff;
  --font:'Onest',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --r:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--white);background:var(--p-800);line-height:1.35;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(44px,8vw,104px);line-height:.98;font-weight:800}
h2{font-size:clamp(28px,4.2vw,52px);line-height:1.08;margin-bottom:36px}
h3{font-size:clamp(20px,2.2vw,28px);line-height:1.15}
p{margin:0}
.muted{opacity:.8}
.small{font-size:14px}
.strong{font-weight:700;font-size:20px;margin-top:18px}

/* фон-ленты как в презентации */
.hero,.stats,.levels,.price,.signup{
  position:relative;isolation:isolate;overflow:hidden;
  background:linear-gradient(118deg,var(--p-800) 0%,var(--p-700) 28%,var(--p-600) 55%,var(--p-400) 100%);
}
.hero::before,.stats::before,.levels::before,.price::before,.signup::before{
  content:"";position:absolute;inset:-20% -10%;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60% 40% at 15% 20%,rgba(10,0,40,.55) 0,transparent 70%),
    radial-gradient(70% 55% at 85% 85%,rgba(120,40,230,.55) 0,transparent 70%);
}
.hero::after,.stats::after,.levels::after,.price::after,.signup::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.9;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1600 900' preserveAspectRatio='none'><path d='M-100 150C300 100 500 650 900 450S1400 50 1700 250V-50H-100z' fill='%235400ba' fill-opacity='.22'/><path d='M-100 950C250 500 650 850 950 650S1500 350 1700 700V950z' fill='%235400ba' fill-opacity='.28'/><path d='M-100 520C300 380 600 780 1000 560S1450 420 1700 520v120C1400 540 1250 520 1000 700S400 500 -100 640z' fill='%23100028' fill-opacity='.28'/></svg>");
  background-size:cover;background-position:center;
}

/* шапка */
.top{position:sticky;top:0;z-index:10;background:rgba(21,0,44,.85);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.top__in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:14px;line-height:1.1}
.brand__mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--yellow);color:#5000c4;font-weight:800;font-size:22px}
.nav{display:flex;gap:28px;font-weight:500;font-size:15px;opacity:.9}
.nav a:hover{color:var(--yellow)}
@media(max-width:760px){.nav{display:none}}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:18px 30px;border-radius:16px;font-weight:700;font-size:17px;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s;font-family:var(--font)}
.btn:hover{transform:translateY(-1px)}
.btn--yellow{background:var(--yellow);color:var(--ink)}
.btn--yellow:hover{background:#ffff4d}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover{border-color:#fff}
.btn--sm{padding:11px 20px;font-size:15px;border-radius:12px}

/* hero */
.hero{padding:120px 0 110px;min-height:min(78vh,760px);display:flex;align-items:center}
.eyebrow{font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:13px;opacity:.75;margin-bottom:20px}
.hero__sub{font-size:clamp(18px,2.2vw,26px);max-width:720px;margin:28px 0 36px;opacity:.95}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}

/* карточки */
section{padding:90px 0}
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:960px){.cards4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cards4,.cards3,.cards2{grid-template-columns:1fr}}
.card{border-radius:var(--r);padding:30px 26px;position:relative;overflow:hidden;min-height:300px}
.card--dark{background:var(--p-900)}
.card h3{font-size:22px;margin-bottom:14px}
.card p{font-size:17px;opacity:.95;max-width:92%}
.card__big{white-space:nowrap;font-size:clamp(40px,3.6vw,56px);font-weight:800;line-height:1;margin-bottom:14px;background:linear-gradient(90deg,#f1f5ff,#8d9bb8);-webkit-background-clip:text;background-clip:text;color:transparent}
.card__icon{position:absolute;right:-6px;bottom:-14px;width:150px;height:150px;opacity:.95}

/* уровни */
.level{background:rgba(21,0,44,.75);border-radius:var(--r);padding:34px 30px}
.tag{display:inline-block;background:var(--yellow);color:var(--ink);font-weight:800;padding:8px 14px;border-radius:10px;font-size:14px;margin-bottom:20px}
.level h3{margin-bottom:16px}
.level p{font-size:17px;opacity:.9}

/* светлые секции */
.light{background:#fff;color:var(--ink)}
.light h2{color:var(--ink)}
.modules{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.modules>li{display:grid;grid-template-columns:150px 1fr;gap:10px;align-items:center;background:linear-gradient(90deg,#f6f6f6,#fbfbfb);border-radius:18px;padding:26px 28px 26px 0;min-height:140px;overflow:hidden;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.modules .num{font-size:140px;font-weight:800;line-height:.8;text-align:center;background:linear-gradient(180deg,#e2e2e2,#9a9a9a);-webkit-background-clip:text;background-clip:text;color:transparent;transform:translateY(14px);user-select:none}
.modules h3{font-size:24px;margin-bottom:10px}
.modules ul{margin:0;padding-left:18px;font-size:16px;line-height:1.45}
.modules ul li{margin:3px 0}
@media(max-width:640px){.modules>li{grid-template-columns:72px 1fr;padding:22px 18px 22px 0}.modules .num{font-size:72px}.modules h3{font-size:19px}}

/* формат */
.rows{display:grid;gap:18px}
.row{display:grid;grid-template-columns:260px 1fr;gap:16px}
.row__label{background:linear-gradient(135deg,#1b0040,#5a00c8);color:#fff;font-weight:700;font-size:26px;border-radius:18px;display:grid;place-items:center;padding:34px 20px;text-align:center}
.row__value{background:var(--grey);border-radius:18px;display:flex;align-items:center;padding:34px 36px;font-size:24px}
.row__note{font-size:18px;line-height:1.5;color:#333;max-width:1000px}
@media(max-width:700px){.row{grid-template-columns:1fr}.row__label,.row__value{padding:22px;font-size:20px}}

/* стоимость */
.lead{font-size:20px;margin-bottom:14px}
.lead-dark{font-size:20px;margin-bottom:34px;color:#333}
.pricegrid{display:grid;grid-template-columns:1fr 1.4fr;grid-template-rows:auto auto;gap:18px;margin-top:40px}
.pricegrid .card--wide{grid-row:1/3;grid-column:2}
.pricegrid .card{min-height:0}
.price__big{font-size:clamp(40px,4.4vw,64px);font-weight:800;line-height:1.05;margin-bottom:10px;-webkit-background-clip:text;background-clip:text;color:transparent}
.price__big--silver{background:linear-gradient(90deg,#eef2ff,#7f8db0);-webkit-background-clip:text;background-clip:text}
.price__big--yellow{background:linear-gradient(90deg,#f6f600,#9d9d20);-webkit-background-clip:text;background-clip:text}
.badge{position:absolute;top:-8px;right:-8px;background:var(--yellow);color:var(--ink);font-weight:800;font-size:22px;padding:14px 26px;border-radius:18px;transform:rotate(3deg)}
@media(max-width:760px){.pricegrid{grid-template-columns:1fr}.pricegrid .card--wide{grid-row:auto;grid-column:auto}}

/* после курса */
.feat{background:var(--grey);border-radius:18px;padding:30px 26px}
.feat h3{font-size:22px;margin-bottom:12px}
.feat p{font-size:16px;line-height:1.5;color:#333}

/* запись */
.bar{display:flex;align-items:center;justify-content:space-between;background:var(--yellow);color:var(--ink);border-radius:18px;padding:40px 36px;font-size:clamp(20px,2.6vw,32px);font-weight:500;margin-bottom:18px;position:relative;overflow:hidden}
.bar b{font-weight:800}
.bar__plane{position:absolute;right:40px;top:50%;transform:translateY(-50%);width:120px;height:90px;opacity:.9}
.form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:12px;margin-top:40px;align-items:center}
.form input,.form select{font-family:var(--font);font-size:17px;padding:18px 20px;border-radius:14px;border:2px solid rgba(255,255,255,.2);background:rgba(21,0,44,.7);color:#fff;outline:none}
.form input::placeholder{color:rgba(255,255,255,.55)}
.form input:focus,.form select:focus{border-color:var(--yellow)}
.form__ok{grid-column:1/-1;color:var(--yellow);font-weight:600}
@media(max-width:860px){.form{grid-template-columns:1fr}.bar__plane{display:none}}

/* футер */
.foot{background:var(--p-900);padding:40px 0;font-size:14px;opacity:.85;line-height:1.5}
.foot p+p{margin-top:12px}
.foot a{text-decoration:underline}