:root{--bg:#0B0B14;--bg2:#11111D;--card:#161627;--line:#26263d;--tx:#ECECF5;--mut:#9C9CB8;--a1:#7C5CFF;--a2:#22D3EE;--r:18px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--tx);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.grad{background:linear-gradient(90deg,var(--a1),var(--a2));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:14px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.2s;font-size:16px;font-family:inherit}
.btn-primary{background:linear-gradient(90deg,var(--a1),#5b8cff 60%,var(--a2));color:#fff;box-shadow:0 8px 30px -10px rgba(124,92,255,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(124,92,255,.85)}
.btn-ghost{border-color:var(--line);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--a1);background:rgba(124,92,255,.08)}
.btn-sm{padding:9px 14px;font-size:14px;border-radius:11px}
.btn-block{width:100%}
.nav{position:sticky;top:0;z-index:50;background:rgba(11,11,20,.75);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.05)}
.nav-in{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;white-space:nowrap}
.brand b{font-weight:700}
.links{display:none;gap:26px;margin-left:auto;font-size:15px;color:var(--mut)}
.links a:hover{color:var(--tx)}
.nav .btn-sm{margin-left:auto;display:none}
.burger{margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:transparent;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;cursor:pointer}
.burger span{width:18px;height:2px;background:var(--tx);border-radius:2px;transition:.2s}
.links.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg2);border-bottom:1px solid var(--line);padding:8px 20px 16px}
.links.open a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.04);color:var(--tx)}
.hero{position:relative;overflow:hidden;padding:56px 0 64px}
.glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.45;pointer-events:none}
.g1{width:380px;height:380px;background:var(--a1);top:-120px;left:-120px}
.g2{width:320px;height:320px;background:var(--a2);top:200px;right:-140px;opacity:.25}
.hero-in{position:relative}
.eyebrow{display:inline-block;font-size:13px;color:var(--mut);border:1px solid var(--line);border-radius:99px;padding:6px 12px;margin-bottom:18px;background:rgba(255,255,255,.03)}
h1{font-size:clamp(34px,8vw,64px);line-height:1.07;letter-spacing:-.02em;font-weight:800;max-width:820px}
.lead{margin-top:18px;font-size:clamp(17px,2.4vw,20px);color:var(--mut);max-width:620px}
.cta{display:flex;flex-direction:column;gap:12px;margin-top:28px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin-top:22px}
.chips li{font-size:13px;color:var(--mut);padding:6px 12px;border-radius:99px;background:rgba(255,255,255,.04)}
.chips li::before{content:"✓ ";color:var(--a2)}
.mock{margin-top:40px;border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(180deg,#171729,#11111d);overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.8);max-width:720px}
.mock-bar{display:flex;align-items:center;gap:6px;padding:12px 14px;border-bottom:1px solid var(--line)}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:#2c2c45}
.mock-bar span{margin-left:10px;font-size:12px;color:var(--mut);background:rgba(255,255,255,.04);padding:3px 10px;border-radius:8px}
.mock-body{padding:22px}
.m-h{height:22px;width:55%;border-radius:8px;background:linear-gradient(90deg,var(--a1),var(--a2))}
.m-l{height:10px;border-radius:6px;background:#26263d;margin-top:12px}.w70{width:70%}.w50{width:50%}
.m-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}
.m-grid div{height:70px;border-radius:12px;background:#1d1d33;border:1px solid var(--line)}
.sec{padding:72px 0}
.sec.alt{background:var(--bg2);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
h2{font-size:clamp(28px,5vw,42px);letter-spacing:-.02em;line-height:1.15;text-align:center}
.sub{color:var(--mut);text-align:center;max-width:640px;margin:12px auto 36px}
.sub.left{text-align:left;margin-left:0}
.cards{display:grid;gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:#3a3a5c}
.card.accent{border-color:rgba(124,92,255,.55);background:linear-gradient(180deg,rgba(124,92,255,.12),var(--card) 60%)}
.ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:26px;background:rgba(124,92,255,.14);margin-bottom:16px}
.card h3{font-size:21px;margin-bottom:8px}
.card p{color:var(--mut)}
.card ul{list-style:none;margin:16px 0;display:grid;gap:8px;font-size:15px}
.card li::before{content:"→ ";color:var(--a2)}
.price{margin:auto 0 16px;padding-top:8px;font-weight:700;font-size:15px;color:var(--a2)}
.steps{list-style:none;display:grid;gap:14px;counter-reset:s}
.steps li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 22px 84px}
.steps b{position:absolute;left:22px;top:22px;font-size:22px;font-weight:800;background:linear-gradient(90deg,var(--a1),var(--a2));-webkit-background-clip:text;background-clip:text;color:transparent}
.steps h4{font-size:18px;margin-bottom:4px}
.steps p{color:var(--mut);font-size:15px}
.tag{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#0B0B14;background:var(--a2);padding:2px 8px;border-radius:6px;margin-right:6px}
.concepts{display:grid;gap:18px}
.concept{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.cv{height:210px;position:relative;display:flex;flex-direction:column;justify-content:center;padding:26px;gap:10px}
.c1 .cv{background:linear-gradient(135deg,#3b2417,#8a5a3b)}
.c2 .cv{background:linear-gradient(135deg,#0f2a3a,#1f6f8b)}
.c3 .cv{background:linear-gradient(135deg,#1a1a1a,#3a3a3a);align-items:center}
.cv-logo{font-size:26px}.cv-logo.big{font-size:72px;font-weight:900;font-family:Georgia,serif;line-height:1}
.cv-t{font-size:26px;font-weight:800;letter-spacing:.02em}
.cv-l{height:9px;width:60%;border-radius:6px;background:rgba(255,255,255,.35)}.cv-l.s{width:38%}
.concept figcaption{padding:14px 18px;color:var(--mut);font-size:14px}
.concept figcaption::before{content:"Пример концепта · ";color:var(--a2);font-weight:600}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font-weight:600;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--a2);transition:.2s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details p{padding:0 20px 18px;color:var(--mut)}
.form-wrap{display:grid;gap:28px}
.form-wrap h2{text-align:left}
.ticks{list-style:none;display:grid;gap:10px}
.ticks li::before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:rgba(34,211,238,.15);color:var(--a2);margin-right:10px;font-size:13px}
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:grid;gap:14px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:var(--bg);padding:5px;border-radius:14px;border:1px solid var(--line)}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;text-align:center;padding:10px 4px;border-radius:10px;font-size:14px;font-weight:600;color:var(--mut);cursor:pointer;transition:.2s}
.seg input:checked+span{background:linear-gradient(90deg,var(--a1),#5b8cff);color:#fff}
.seg input:focus-visible+span{outline:2px solid var(--a2)}
.f{display:grid;gap:6px;font-size:14px;color:var(--mut)}
.f input,.f textarea{font:inherit;font-size:16px;color:var(--tx);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:13px 14px;outline:none;transition:.2s;resize:vertical}
.f input:focus,.f textarea:focus{border-color:var(--a1);box-shadow:0 0 0 3px rgba(124,92,255,.2)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.consent{display:flex;gap:10px;font-size:13px;color:var(--mut);align-items:flex-start}
.consent input{margin-top:3px;accent-color:var(--a1);width:16px;height:16px;flex:none}
.form-msg{font-size:14px;min-height:20px;text-align:center}
.form-msg.ok{color:#4ade80}.form-msg.err{color:#f87171}
.contact .cta.center{align-items:stretch;max-width:420px;margin:0 auto}
.foot{padding:28px 0;border-top:1px solid rgba(255,255,255,.05)}
.foot-in{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.foot p{color:var(--mut);font-size:13px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media (min-width:720px){
  .cta{flex-direction:row}.contact .cta.center{flex-direction:row;justify-content:center;max-width:none}
  .cards,.concepts{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-in{flex-direction:row;justify-content:space-between;align-items:center}
  .hero{padding:96px 0 90px}
}
@media (min-width:960px){
  .links{display:flex}.burger{display:none}.nav .btn-sm{display:inline-flex;margin-left:8px}
  .steps{grid-template-columns:repeat(5,1fr)}.steps li{padding:22px}.steps b{position:static;display:block;margin-bottom:8px}
  .form-wrap{grid-template-columns:1fr 1.1fr;align-items:start}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}