:root{--bg:#0b0f1a;--bg2:#0f1424;--card:rgba(255,255,255,.04);--bd:rgba(255,255,255,.09);--tx:#e8ecf8;--mu:#a3adc7;--a:#7c5cff;--b:#22d3ee}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}h1,h2,h3{line-height:1.2;margin:0}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}.narrow{max-width:780px}
.top{position:sticky;top:0;z-index:10;background:rgba(11,15,26,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--bd)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;letter-spacing:.2px}
nav{display:none;gap:26px}nav a{text-decoration:none;color:var(--mu);font-size:15px}nav a:hover{color:var(--tx)}
.btn{display:inline-block;padding:14px 26px;border-radius:12px;background:linear-gradient(135deg,var(--a),#4f8cff 60%,var(--b));color:#fff;font-weight:600;text-decoration:none;box-shadow:0 8px 30px -8px rgba(124,92,255,.6);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px -8px rgba(34,211,238,.5)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--b);outline-offset:3px}
.btn.sm{padding:9px 16px;font-size:14px}.btn.big{padding:18px 38px;font-size:18px}
.btn.ghost{background:transparent;border:1px solid var(--bd);box-shadow:none}.btn.ghost:hover{background:var(--card)}
.hero{padding:56px 0 40px;background:radial-gradient(60% 50% at 80% 10%,rgba(124,92,255,.22),transparent),radial-gradient(40% 40% at 10% 0,rgba(34,211,238,.12),transparent)}
.hero-grid{display:grid;gap:36px;align-items:center}
.eyebrow{color:var(--b);font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.1em;margin:0 0 14px}
h1{font-size:clamp(34px,7vw,60px);letter-spacing:-.02em}
.lead{font-size:18px;color:var(--mu);max-width:560px;margin:20px 0 28px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.chips{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{border:1px solid var(--bd);background:var(--card);padding:6px 14px;border-radius:99px;font-size:14px;color:var(--mu)}
.viz{width:100%;max-width:460px;justify-self:center;filter:drop-shadow(0 20px 50px rgba(124,92,255,.25))}
.sec{padding:64px 0}.alt{background:var(--bg2);border-block:1px solid var(--bd)}
h2{font-size:clamp(26px,4.5vw,40px);letter-spacing:-.015em;margin-bottom:12px}
.sub{color:var(--mu);margin:0 0 36px;max-width:620px}h2+.grid4,h2+.grid3,h2+.steps{margin-top:36px}
.grid4,.grid3{display:grid;gap:16px}
.card,.pain,.why,details,.steps li{background:var(--card);border:1px solid var(--bd);border-radius:18px;backdrop-filter:blur(8px)}
.card{padding:26px;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}.card:hover{border-color:rgba(124,92,255,.6);transform:translateY(-3px)}
.ic{width:40px;height:40px;fill:none;stroke:var(--b);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.card h3,.pain h3,.why h3,.steps h3{font-size:19px;margin-bottom:8px}
.card p,.why p,.steps p{margin:0 0 10px;color:var(--mu)}.get{color:var(--tx)!important;font-size:15px}
.meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--bd);display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px;color:var(--mu)}
.meta strong{color:var(--tx);font-size:18px;white-space:nowrap}
.pain{padding:24px}.pain p{margin:0 0 10px;font-size:15px}.was{color:var(--mu)}.sol{color:var(--tx);padding-left:12px;border-left:2px solid var(--b)}
.why{padding:24px}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:16px;counter-reset:s}
.steps li{padding:26px}.n{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--a),var(--b));font-weight:700;margin-bottom:14px}
details{padding:0;margin-bottom:12px}summary{cursor:pointer;padding:18px 22px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}summary::after{content:"+";color:var(--b);font-size:22px;line-height:1}details[open] summary::after{content:"\2212"}
details p{margin:0;padding:0 22px 20px;color:var(--mu)}
.final{padding-bottom:80px}.panel{text-align:center;padding:48px 22px;border-radius:26px;border:1px solid var(--bd);background:radial-gradient(70% 90% at 50% 0,rgba(124,92,255,.28),transparent),var(--card)}
.panel .sub{margin-inline:auto}.mail{margin:22px 0 0;color:var(--mu)}.mail a{color:var(--b)}
footer{border-top:1px solid var(--bd);padding:26px 0;color:var(--mu);font-size:14px}
.foot{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between}.foot a{color:var(--tx)}
@media(min-width:760px){nav{display:flex}.hero{padding:96px 0 80px}.hero-grid{grid-template-columns:1.15fr .85fr}.grid3{grid-template-columns:repeat(3,1fr)}.grid4{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(4,1fr)}.sec{padding:96px 0}.panel{padding:72px 40px}}
@media(min-width:1100px){.grid4{grid-template-columns:repeat(4,1fr)}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}
/* форма заявки */
.leadbox{margin:auto;max-height:92vh;overflow:auto;border:1px solid var(--bd);border-radius:20px;padding:0;background:var(--bg2);color:var(--tx);width:min(560px,94vw);box-shadow:0 30px 80px rgba(0,0,0,.6)}
.leadbox::backdrop{background:rgba(5,8,15,.72);backdrop-filter:blur(4px)}
.lead-form{position:relative;display:flex;flex-direction:column;gap:12px;padding:28px}
.lead-form h3{margin:0;font-size:24px}.lead-sub{margin:0 0 6px;color:var(--mu);font-size:15px}
.lead-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--mu)}.lead-form label i{font-style:normal;opacity:.7}
.lead-form input,.lead-form textarea{font:inherit;font-size:16px;color:var(--tx);background:rgba(255,255,255,.05);border:1px solid var(--bd);border-radius:12px;padding:11px 13px;outline:none}
.lead-form input:focus,.lead-form textarea:focus{border-color:var(--a);box-shadow:0 0 0 3px rgba(124,92,255,.25)}
.lead-form .lead-ok{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:10px;font-size:13px}.lead-ok input{margin-top:2px;width:18px;height:18px;accent-color:var(--a)}
.lead-ok a{color:var(--b)}.lead-form button[type=submit]{margin-top:4px;border:0;cursor:pointer;font-size:16px}
.lead-x{position:absolute;top:12px;right:14px;background:none;border:0;color:var(--mu);font-size:28px;cursor:pointer;line-height:1}
.lead-msg{margin:0;font-size:14px;min-height:1.2em}.lead-msg.ok{color:#4ade80}.lead-msg.err{color:#f87171}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.policy{max-width:820px;margin:0 auto;padding:60px 20px;line-height:1.65}.policy h1{font-size:30px}.policy h2{font-size:20px;margin-top:28px}.policy a{color:var(--b)}

/* мобильная версия */
@media(max-width:759px){
  .wrap{padding-left:18px;padding-right:18px}
  .hero{padding:36px 0 28px}
  .hero h1{font-size:34px;line-height:1.12;letter-spacing:-.5px}
  .lead{font-size:16px;margin:16px 0 22px}
  .cta{flex-direction:column;gap:10px}
  .cta .btn{width:100%;text-align:center}
  .chips{margin-top:20px}
  .chips li{font-size:13px;padding:5px 12px}
  .viz{display:block;width:100%;max-width:340px;height:auto;margin:6px auto 0}
  .hero-grid{gap:20px}
  .btn.sm{padding:8px 12px;font-size:13px}
  .btn.big{width:100%;text-align:center;padding:16px 20px}
  section h2{font-size:26px;line-height:1.2}
  .leadbox{width:100vw;max-width:100vw;max-height:100dvh;height:100dvh;border-radius:0;border:0}
  .lead-form{padding:22px 18px 28px}
}