:root{
  --bg:#0b0b14; --bg2:#12121f; --card:#171728; --line:#2a2a40;
  --text:#f2f2f8; --muted:#9a9ab5; --lime:#c6ff3d; --violet:#8b7bff; --pink:#ff7ac6;
  --r:22px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{max-width:1220px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:Unbounded,Inter,sans-serif;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(26px,3.2vw,44px);font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:16px 26px;border-radius:14px;background:var(--lime);color:#0b0b14;font:700 16px Inter,sans-serif;border:0;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(198,255,61,.6)}
.btn--sm{padding:11px 18px;font-size:14px;border-radius:12px}
.btn--line{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn--line:hover{box-shadow:inset 0 0 0 1.5px var(--violet);background:rgba(139,123,255,.08)}
.btn--full{width:100%}

.header{position:sticky;top:0;z-index:50;background:rgba(11,11,20,.75);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.header__inner{display:flex;align-items:center;gap:40px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font:800 19px Unbounded,sans-serif}
.logo__mark{font:500 14px "JetBrains Mono",monospace;background:var(--lime);color:#0b0b14;padding:6px 8px;border-radius:9px}
.nav{display:flex;gap:30px;margin-right:auto}
.nav a{color:var(--muted);font-weight:500;font-size:15px}
.nav a:hover{color:var(--lime)}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;flex-direction:column;justify-content:center;align-items:center;gap:6px}
.burger span{width:18px;height:2px;background:var(--text)}

.hero{position:relative;padding:72px 0 48px;overflow:hidden;
  background:radial-gradient(700px 420px at 80% 10%,rgba(139,123,255,.28),transparent 60%),radial-gradient(500px 360px at 10% 90%,rgba(198,255,61,.12),transparent 60%)}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 60% 30%,#000 30%,transparent 75%)}
.hero__grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.pill{display:inline-block;padding:8px 16px;border-radius:99px;background:rgba(198,255,61,.1);color:var(--lime);font-weight:600;font-size:14px;border:1px solid rgba(198,255,61,.25)}
.hero h1{font-size:clamp(34px,3.9vw,54px);font-weight:800;margin:24px 0 22px}
.hl{background:linear-gradient(90deg,var(--lime),#5effc4);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18px;color:var(--muted);max-width:560px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0 44px}
.hero__stats{display:flex;gap:44px}
.hero__stats b{display:block;white-space:nowrap;font:700 30px Unbounded,sans-serif}
.hero__stats span{display:block;line-height:1.35;color:var(--muted);font-size:14px}

.hero__visual{position:relative;height:500px}
.window{position:absolute;top:20px;left:0;width:86%;background:#14141f;border:1px solid var(--line);border-radius:18px;box-shadow:0 40px 80px -30px rgba(0,0,0,.8);overflow:hidden}
.window__bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line);background:#191927}
.window__bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57}
.window__bar i:nth-child(2){background:#febc2e}
.window__bar i:nth-child(3){background:#28c840}
.window__bar span{margin-left:10px;font:500 13px "JetBrains Mono",monospace;color:var(--muted)}
.code{padding:20px 22px;font:500 15px/1.75 "JetBrains Mono",monospace;color:#dcdcf0;white-space:pre;overflow:hidden}
.c-k{color:var(--pink)}.c-n{color:#ffb86b}.c-s{color:var(--lime)}.c-cm{color:#6b6b8a}
.caret{display:inline-block;width:8px;height:17px;background:var(--lime);vertical-align:-3px;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.game{position:absolute;right:-10px;bottom:0;width:54%;height:240px;border-radius:18px;overflow:hidden;border:3px solid #24243a;box-shadow:0 30px 60px -20px rgba(0,0,0,.8)}
.game__sky{position:absolute;inset:0;background:linear-gradient(#3b2a8a,#7b5cff 60%,#ff8ac9)}
.game__sky::after{content:"";position:absolute;left:0;right:0;bottom:0;height:22%;background:repeating-linear-gradient(90deg,#2b1d63 0 20px,#35247a 20px 40px)}
.game__plat{position:absolute;height:14px;background:var(--lime);border-radius:4px;box-shadow:0 4px 0 #7fb31c}
.game__coin{position:absolute;width:18px;height:18px;border-radius:50%;background:#ffd84d;box-shadow:inset -3px -3px 0 #e0a800}
.game__hero{position:absolute;left:24%;bottom:calc(20% + 14px);width:30px;height:36px;background:#fff;border-radius:8px 8px 4px 4px;box-shadow:inset 0 -10px 0 var(--violet)}
.game__hero::before{content:"";position:absolute;top:9px;left:7px;width:5px;height:5px;background:#0b0b14;border-radius:50%;box-shadow:11px 0 0 #0b0b14}
.game__score{position:absolute;top:10px;left:12px;font:500 12px "JetBrains Mono",monospace;color:#fff;background:rgba(0,0,0,.3);padding:3px 8px;border-radius:6px}
.sticker{position:absolute;padding:12px 16px;border-radius:14px;font-weight:600;font-size:14px;box-shadow:0 20px 40px -15px rgba(0,0,0,.6)}
.sticker--a{bottom:-18px;left:-16px;background:var(--violet);color:#fff;transform:rotate(-4deg)}
.sticker--b{top:-6px;right:-10px;background:var(--lime);color:#0b0b14;transform:rotate(3deg);max-width:200px;line-height:1.35}

.logos{position:relative;margin-top:64px;display:flex;align-items:center;gap:32px;padding-top:28px;border-top:1px solid rgba(255,255,255,.07)}
.logos>span{color:var(--muted);font-size:14px;flex:none}
.logos__row{display:flex;gap:40px;flex-wrap:wrap}
.logos__row b{font:700 18px Unbounded,sans-serif;color:#55556f}

.section{padding:96px 0}
.section--alt{background:var(--bg2)}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head p{color:var(--muted);font-size:17px;margin-top:16px}
.sec-head--center{text-align:center;margin-left:auto;margin-right:auto}
.tag{display:inline-block;font:500 14px "JetBrains Mono",monospace;color:var(--lime);margin-bottom:14px}

.courses{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.course{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px;display:flex;flex-direction:column;overflow:hidden;transition:.25s}
.course::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent)}
.course:hover{border-color:var(--accent);transform:translateY(-4px)}
.course__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.course__ico{font-size:30px;width:58px;height:58px;display:grid;place-items:center;border-radius:16px;background:rgba(255,255,255,.05)}
.course__age{font-size:13px;font-weight:600;padding:6px 12px;border-radius:99px;color:var(--accent);border:1px solid currentColor}
.course h3{font-size:22px;margin-bottom:10px}
.course>p{color:var(--muted)}
.steps{list-style:none;margin:22px 0;display:grid;gap:10px}
.steps li{display:flex;gap:12px;font-size:15px;padding:10px 14px;background:rgba(255,255,255,.03);border-radius:10px}
.steps b{color:var(--accent);flex:none;min-width:62px;font-weight:600}
.course__foot{margin-top:auto;padding-top:18px;border-top:1px dashed var(--line);font-weight:600;font-size:15px}
.course__foot span{color:var(--muted);font-weight:500}

.teachers{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.teacher{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.teacher__ava{width:76px;height:76px;border-radius:22px;background:var(--g);display:grid;place-items:center;font:800 24px Unbounded,sans-serif;color:#0b0b14;margin-bottom:20px;transform:rotate(-4deg)}
.teacher h3{font-size:17px}
.teacher__role{display:block;color:var(--lime);font-size:14px;margin:4px 0 10px;font-weight:500}
.teacher p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chips i{font-style:normal;font:500 12px "JetBrains Mono",monospace;padding:5px 10px;border-radius:8px;background:rgba(139,123,255,.15);color:#c3baff}

.switch{display:inline-flex;margin-top:26px;padding:5px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.switch__btn{border:0;background:transparent;color:var(--muted);font:600 15px Inter,sans-serif;padding:10px 20px;border-radius:10px;cursor:pointer}
.switch__btn em{font-style:normal;color:var(--lime);margin-left:4px}
.switch__btn.is-active{background:#26263d;color:var(--text)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{position:relative;background:var(--card);border:1px solid var(--line);border-radius:26px;padding:34px;display:flex;flex-direction:column}
.plan--hot{background:linear-gradient(160deg,#25205a,#171728 60%);border-color:var(--violet);box-shadow:0 30px 70px -30px rgba(139,123,255,.6)}
.plan__badge{position:absolute;top:-14px;left:34px;background:var(--lime);color:#0b0b14;font-weight:700;font-size:13px;padding:6px 14px;border-radius:99px}
.plan h3{font-size:22px}
.plan__desc{color:var(--muted);font-size:15px;margin:6px 0 22px}
.plan__price{font:700 22px Unbounded,sans-serif;margin-bottom:24px}
.plan__price b{font-size:44px;font-weight:800}
.plan__price span{font:500 15px Inter,sans-serif;color:var(--muted);margin-left:4px}
.plan ul{list-style:none;display:grid;gap:12px;margin-bottom:30px}
.plan li{display:flex;gap:10px;font-size:15px}
.plan li::before{content:"✓";color:var(--lime);font-weight:700}
.plan li.off{color:#5b5b76}
.plan li.off::before{content:"—";color:#5b5b76}
.plan .btn{margin-top:auto}
.note{text-align:center;color:var(--muted);font-size:14px;margin-top:30px}

.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq{display:grid;gap:12px}
.faq__item{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:0 24px;transition:.2s}
.faq__item[open]{border-color:rgba(198,255,61,.4)}
.faq__item summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-weight:600;font-size:17px;position:relative}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.06);display:grid;place-items:center;font-size:20px;color:var(--lime);transition:.25s}
.faq__item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq__item p{color:var(--muted);padding-bottom:22px}

.apply{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px;border-radius:32px;background:radial-gradient(600px 300px at 0% 0%,rgba(139,123,255,.3),transparent 70%),var(--card);border:1px solid var(--line)}
.apply__text p{color:var(--muted);font-size:17px;margin:18px 0 26px}
.apply__perks{display:flex;flex-direction:column;gap:10px;font-weight:600}
.form{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:24px;padding:30px;display:grid;gap:16px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field>span{font-size:14px;font-weight:600;color:#c9c9dd}
.field input,.field select{font:500 16px Inter,sans-serif;padding:14px 16px;border-radius:12px;background:var(--card);border:1.5px solid var(--line);color:var(--text);outline:none;width:100%;min-width:0}
.field input::placeholder{color:#5f5f7a}
.field input:focus,.field select:focus{border-color:var(--lime)}
.field em{display:none;font-style:normal;font-size:13px;color:#ff6b8a}
.field.bad input,.field.bad select{border-color:#ff6b8a}
.field.bad em{display:block}
.radios{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.radios label{position:relative}
.radios input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0}
.radios i{display:block;text-align:center;font-style:normal;padding:12px 6px;border-radius:12px;border:1.5px solid var(--line);font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap}
.radios input:checked+i{border-color:var(--lime);background:rgba(198,255,61,.1);color:var(--lime)}
.form__legal{color:#6b6b88;font-size:12.5px;text-align:center}
.form__ok{position:absolute;inset:0;background:var(--bg);border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:30px}
.form__ok[hidden]{display:none}
.form__ok-ico{font-size:52px}
.form__ok p{color:var(--muted);margin-bottom:10px}

.footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}

@media (max-width:1080px){
  .nav{display:none}
  .burger{display:flex;margin-left:auto}
  .header__inner>.btn{margin-left:auto}
  .header__inner>.btn+.burger{margin-left:0}
  .nav.is-open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--bg);padding:20px 24px;border-bottom:1px solid var(--line)}
  .teachers{grid-template-columns:repeat(2,1fr)}
  .hero__grid{grid-template-columns:1fr}
  .hero__visual{max-width:620px;width:100%}
}
@media (max-width:860px){
  .courses,.plans{grid-template-columns:1fr}
  .faq-wrap,.apply{grid-template-columns:1fr;gap:32px}
  .apply{padding:32px}
  .logos{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .header__inner{gap:10px;height:64px}
  .nav.is-open{top:64px}
  .logo{font-size:16px}
  .logo__mark{font-size:12px;padding:5px 6px}
  .btn--sm{padding:10px 12px;font-size:13px}
  .hero{padding:36px 0 32px}
  .hero h1{font-size:31px;margin:18px 0 16px}
  .pill{font-size:12.5px;padding:7px 12px}
  .lead{font-size:16px}
  .hero__cta{margin:26px 0 30px}
  .hero__cta .btn{flex:1 1 100%}
  .hero__stats{gap:18px;justify-content:space-between}
  .hero__stats b{font-size:21px}
  .hero__stats span{font-size:12.5px}
  .hero__visual{height:360px;margin-top:6px}
  .window{width:100%}
  .code{font-size:11.5px;padding:14px}
  .game{width:60%;height:150px;bottom:0;right:0}
  .sticker{font-size:12px;padding:9px 12px}
  .sticker--a{bottom:-16px;left:0}
  .sticker--b{display:none}
  .logos__row{gap:18px}
  .logos__row b{font-size:14px}
  .section{padding:64px 0}
  .teachers{grid-template-columns:1fr 1fr;gap:12px}
  .teacher{padding:18px}
  .teacher__ava{width:58px;height:58px;font-size:18px;border-radius:16px}
  .teacher h3{font-size:14px}
  .teacher p{font-size:13px}
  .plan{padding:26px}
  .apply{padding:22px 16px;border-radius:24px}
  .form{padding:20px}
  .radios i{font-size:14px}
}