:root{--bg:#fff;--card:#fff;--soft:#f3f7ff;--text:#0b1b3a;--muted:#51618a;--pri:#1f5bff;--pri2:#00b4ff;--line:#dce6fb;color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
section{padding:80px 0}
h1,h2,h3,p{margin:0}

/* Шапка */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;backdrop-filter:blur(12px);background:rgba(255,255,255,.85);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:28px;letter-spacing:-.5px}
.lg{width:54px;height:54px;border-radius:15px;display:block}
.hd{display:flex;gap:10px;align-items:center}

/* Кнопки */
.btn{display:inline-block;padding:13px 26px;border-radius:999px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;font-weight:600;border:0;cursor:pointer;font-size:15px;box-shadow:0 8px 24px rgba(31,91,255,.3);transition:transform .2s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}
.btn.sm{padding:10px 20px;font-size:14px}

/* Первый экран */
.hero{padding:88px 0 72px;overflow-x:clip;background:radial-gradient(900px 400px at 85% -10%,rgba(0,180,255,.12),transparent),radial-gradient(700px 400px at 0% 0%,rgba(31,91,255,.08),transparent)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.tag{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--pri);font-size:13px;font-weight:600}
h1{font-size:clamp(34px,4.6vw,56px);line-height:1.08;margin:20px 0;letter-spacing:-1.5px;max-width:800px}
h1 span{background:linear-gradient(135deg,var(--pri),var(--pri2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:19px;color:var(--muted);max-width:560px}

/* Макет платформы */
.mock{position:relative;perspective:1400px}
.glow{position:absolute;inset:8% -4% -6% 6%;background:linear-gradient(135deg,var(--pri),var(--pri2));filter:blur(60px);opacity:.35;border-radius:40px}
.frame{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(31,91,255,.25);transform:rotateY(-10deg) rotateX(4deg);transition:transform .5s}
.mock:hover .frame{transform:none}
.frame img{display:block;width:100%;height:auto}
.bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--soft);border-bottom:1px solid var(--line)}
.bar i{width:10px;height:10px;border-radius:50%;background:#c9d7f5}
.bar span{margin-left:12px;font-size:12px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 14px}
.chip{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:13px;font-weight:600;box-shadow:0 12px 30px rgba(31,91,255,.2);animation:fl 5s ease-in-out infinite}
.c1{left:-18px;bottom:14%}
.c2{right:-8px;top:-14px;animation-delay:-2.5s}
@keyframes fl{50%{transform:translateY(-8px)}}

/* Заголовки секций */
h2{font-size:clamp(28px,4vw,42px);letter-spacing:-1px;margin-bottom:12px}
.sub{color:var(--muted);max-width:560px;margin-bottom:40px}

/* Что мы делаем */
.grid{display:grid;gap:20px}
.steps{grid-template-columns:repeat(3,1fr);counter-reset:s}
.card{background:var(--card);border:1px solid var(--line);box-shadow:0 2px 12px rgba(31,91,255,.05);border-radius:24px;padding:28px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(31,91,255,.15)}
.card h3{margin-bottom:8px;font-size:19px}
.card p{color:var(--muted);font-size:15px}
.step::before{counter-increment:s;content:"0" counter(s);display:block;font-size:40px;font-weight:800;color:var(--pri);opacity:.35;margin-bottom:6px}

/* Партнёры */
.partners{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.pl{height:84px;border:1px solid var(--line);border-radius:18px;display:grid;place-items:center;font-weight:800;font-size:19px;letter-spacing:-.5px;color:var(--muted);background:var(--soft);transition:.2s}
.pl:hover{color:var(--pri);border-color:var(--pri);transform:translateY(-3px)}
.pl img{display:block;max-width:70%;max-height:40px;width:auto;height:auto;object-fit:contain}

/* Подвал */
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}

/* Личный кабинет */
.modal{position:fixed;inset:0;background:rgba(10,31,92,.45);display:none;place-items:center;z-index:30;padding:20px}
.modal.open{display:grid}
.box{background:#fff;border-radius:24px;padding:32px;width:100%;max-width:400px;position:relative;box-shadow:0 24px 60px rgba(10,31,92,.3)}
.box h3{margin-bottom:6px;font-size:24px}
.box p{color:var(--muted);margin-bottom:20px;font-size:15px}
.x{position:absolute;top:14px;right:18px;background:none;border:0;font-size:26px;cursor:pointer;color:var(--muted)}
form{display:grid;gap:12px}
input{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--text);font:inherit}
input:focus{outline:2px solid var(--pri);border-color:transparent}
.ok{color:var(--pri);font-weight:600;min-height:24px}

/* Адаптив */
@media(max-width:900px){
.hero-grid{grid-template-columns:1fr}
.frame{transform:none}
.c1{left:0}
.c2{right:0}
.steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
section{padding:56px 0}
.hero{padding-top:56px}
}
@media(max-width:600px){.steps{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.chip{animation:none}}