:root{
  --bg:#07080b; --card:rgba(255,255,255,.032); --line:rgba(255,255,255,.085);
  --tx:#f2f4f8; --tx2:#8f98ad; --acc:#f5a623; --acc2:#ff6b35;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);overflow-x:hidden;
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,iframe{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px;position:relative}
section{padding:120px 0;position:relative}
h1,h2,h3{margin:0;line-height:1.1;letter-spacing:-.028em;font-weight:700}
h2{font-size:clamp(30px,4.4vw,46px);margin-bottom:16px}
.lead{color:var(--tx2);font-size:17.5px;max-width:640px;margin:0 0 54px;line-height:1.7}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--acc);font-size:12px;
  font-weight:700;text-transform:uppercase;letter-spacing:.16em;margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--acc);opacity:.7}

/* ambient glow */
.glow{position:fixed;inset:0;pointer-events:none;z-index:0}
.glow::before,.glow::after{content:"";position:absolute;border-radius:50%;filter:blur(120px)}
.glow::before{width:620px;height:620px;top:-260px;left:-160px;background:rgba(245,166,35,.12)}
.glow::after{width:520px;height:520px;top:36%;right:-220px;background:rgba(255,107,53,.075)}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.028;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E")}
header,main,footer{position:relative;z-index:2}

/* header */
header{position:sticky;top:0;z-index:60;border-bottom:1px solid transparent;transition:.25s}
header.stuck{background:rgba(7,8,11,.78);backdrop-filter:blur(16px) saturate(1.4);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;gap:30px;height:74px}
.logo{font-weight:800;font-size:19.5px;letter-spacing:-.03em;display:flex;align-items:center;gap:10px}
.logo i{width:24px;height:24px;border-radius:7px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--acc),var(--acc2));box-shadow:0 0 22px rgba(245,166,35,.4)}
.nav nav{display:flex;gap:30px;margin-left:auto}
.nav nav a{color:var(--tx2);font-size:14.5px;font-weight:500;position:relative;transition:color .18s}
.nav nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-5px;height:1px;
  background:var(--acc);transition:right .25s}
.nav nav a:hover{color:var(--tx)}.nav nav a:hover::after{right:0}
.lang{display:flex;gap:2px;border:1px solid var(--line);border-radius:10px;padding:3px;background:rgba(255,255,255,.02)}
.lang a{font-size:12px;font-weight:700;color:var(--tx2);padding:5px 10px;border-radius:7px;transition:.18s}
.lang a:hover{color:var(--tx)}
.lang a.on{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#180f00}
.burger{display:none;margin-left:auto;background:none;border:0;color:var(--tx);cursor:pointer;padding:6px}

/* hero */
.hero{padding:104px 0 40px}
.badge{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:100px;
  padding:7px 15px 7px 11px;font-size:12.5px;color:var(--tx2);margin-bottom:30px;background:rgba(255,255,255,.025)}
.dot{width:7px;height:7px;border-radius:50%;background:#3ddc91;box-shadow:0 0 0 0 rgba(61,220,145,.6);
  animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(61,220,145,0)}100%{box-shadow:0 0 0 0 rgba(61,220,145,0)}}
.hero h1{font-size:clamp(42px,7vw,76px);max-width:15ch;margin-bottom:26px;font-weight:800;letter-spacing:-.04em}
.hero h1 b{background:linear-gradient(100deg,var(--acc) 10%,var(--acc2) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.hero p{color:var(--tx2);font-size:19.5px;max-width:610px;margin:0 0 38px;line-height:1.7}
.cta{display:flex;gap:13px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:12px;
  font-weight:650;font-size:15px;border:1px solid transparent;transition:.2s;cursor:pointer}
.btn svg{width:16px;height:16px}
.btn-p{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#180f00;
  box-shadow:0 8px 30px -8px rgba(245,166,35,.55)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 14px 38px -8px rgba(245,166,35,.7)}
.btn-s{border-color:var(--line);color:var(--tx);background:rgba(255,255,255,.03)}
.btn-s:hover{border-color:rgba(245,166,35,.55);transform:translateY(-2px)}

/* browser mockup */
.mock{margin-top:70px;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:#0c0e13;box-shadow:0 50px 100px -30px rgba(0,0,0,.9),0 0 90px -50px rgba(245,166,35,.35)}
.mock-bar{display:flex;align-items:center;gap:8px;padding:12px 15px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.022)}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:#33384a}
.mock-url{margin-left:12px;font-size:12px;color:var(--tx2);background:rgba(255,255,255,.04);
  padding:4px 13px;border-radius:7px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.frame{position:relative;height:min(66vh,560px);background:#0c0e13}
.frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px;
  position:relative;overflow:hidden;transition:.28s cubic-bezier(.2,.7,.3,1)}
.card::before{content:"";position:absolute;inset:0;border-radius:16px;opacity:0;transition:opacity .28s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(245,166,35,.09),transparent 45%)}
.card:hover{border-color:rgba(245,166,35,.32);transform:translateY(-4px);background:rgba(255,255,255,.05)}
.card:hover::before{opacity:1}
.card h3{font-size:18px;margin-bottom:10px;font-weight:650}
.card p{color:var(--tx2);font-size:14.8px;margin:0;line-height:1.7}
.ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(245,166,35,.17),rgba(255,107,53,.09));
  border:1px solid rgba(245,166,35,.2);color:var(--acc)}
.ico svg{width:20px;height:20px}

/* work — живые превью */
.work{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.demo{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;transition:.3s cubic-bezier(.2,.7,.3,1)}
.demo:hover{border-color:rgba(245,166,35,.35);transform:translateY(-5px);
  box-shadow:0 34px 70px -32px rgba(0,0,0,.9)}
.prev{position:relative;height:290px;overflow:hidden;background:#0c0e13;border-bottom:1px solid var(--line)}
.prev iframe{position:absolute;top:0;left:0;width:1440px;height:900px;border:0;
  transform:scale(.42);transform-origin:0 0;pointer-events:none;opacity:0;transition:opacity .5s}
.prev iframe.on{opacity:1}
.prev::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,8,11,.55));
  pointer-events:none}
.skel{position:absolute;inset:0;display:grid;place-items:center;color:var(--tx2);font-size:13px}
.demo-b{padding:24px 26px 26px}
.demo-b h3{font-size:19px;margin-bottom:9px}
.demo-b p{color:var(--tx2);font-size:14.8px;margin:0 0 16px;line-height:1.65}
.open{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:650;color:var(--acc)}
.open svg{width:15px;height:15px;transition:transform .2s}
.demo:hover .open svg{transform:translate(3px,-3px)}

/* process */
.step{display:flex;gap:26px;padding:26px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.step:last-child{border-bottom:0}
.step b{font-variant-numeric:tabular-nums;font-weight:800;font-size:13px;color:var(--acc);
  flex:0 0 auto;padding-top:4px;letter-spacing:.08em}
.step h3{font-size:18px;margin-bottom:7px;font-weight:650}
.step p{color:var(--tx2);font-size:15px;margin:0;max-width:620px;line-height:1.7}

/* contact */
.contact .inner{border:1px solid var(--line);border-radius:24px;padding:74px 40px;text-align:center;
  background:radial-gradient(700px circle at 50% -10%,rgba(245,166,35,.11),transparent 65%),rgba(255,255,255,.022)}
.contact .lead{margin:0 auto 40px}
.contact .cta{justify-content:center}

footer{padding:44px 0;border-top:1px solid var(--line);color:var(--tx2);font-size:13.5px}
footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
footer a:hover{color:var(--acc)}

/* появление при прокрутке */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.dot{animation:none}}

@media(max-width:960px){.g3{grid-template-columns:repeat(2,1fr)}.work{grid-template-columns:1fr}}
@media(max-width:760px){
  section{padding:78px 0}
  .g3{grid-template-columns:1fr}
  .nav nav{display:none}
  .nav nav.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:18px;
    background:rgba(10,11,15,.97);backdrop-filter:blur(14px);padding:22px 28px;border-bottom:1px solid var(--line);margin:0}
  .burger{display:block}.lang{margin-left:auto}
  .hero{padding:64px 0 24px}
  .mock{margin-top:46px}.frame{height:400px}
  .prev{height:210px}.prev iframe{transform:scale(.3)}
  .contact .inner{padding:52px 24px}
}

/* текстовый блок */
.prose{max-width:760px}
.prose p{color:var(--tx2);font-size:16.5px;line-height:1.85;margin:0 0 22px}
.prose p:last-child{margin-bottom:0}

/* faq */
.faq{max-width:820px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;font-size:17px;font-weight:600;
  position:relative;transition:color .18s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--acc)}
.faq summary::after{content:"";position:absolute;right:8px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--acc);border-bottom:2px solid var(--acc);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq details p{color:var(--tx2);font-size:15.5px;line-height:1.8;margin:0 0 24px;max-width:700px}