:root{--bg:#060a13;--bg2:#0a1222;--card:#0d1830;--line:#1a2336;--fg:#e9eef8;--muted:#93a0b8;--accent:#9ccbff;--accent2:#2f9e91;--ok:#4cd7c2}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
header.top{position:sticky;top:0;z-index:5;background:rgba(5,8,15,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:15px}
.brand:hover{text-decoration:none}
.brand img{width:30px;height:30px;border-radius:8px}
nav a{color:var(--muted);margin-left:20px;font-size:14px}
nav a:hover{color:var(--fg);text-decoration:none}
nav .lang{border:1px solid var(--line);border-radius:8px;padding:3px 9px}
@media(max-width:640px){nav a:not(.lang){display:none}}

.hero{position:relative;overflow:hidden;padding:64px 0 120px;text-align:center}
.hero:before{content:"";position:absolute;left:50%;bottom:-560px;width:max(1500px,260vw);height:640px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(closest-side,rgba(61,123,255,.0) 92%,rgba(156,203,255,.5) 99.3%,rgba(61,123,255,0) 100%);pointer-events:none}
.hero .mark{width:min(220px,50vw);height:auto;display:block;margin:0 auto 18px;filter:drop-shadow(0 0 44px rgba(156,203,255,.28))}
.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.08;margin:8px 0 14px;letter-spacing:-.02em}
.hero h1 span{background:linear-gradient(90deg,#fff,#d9ecff 45%,#4cd7c2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:clamp(17px,2.3vw,20px);max-width:620px;margin:0 auto 30px}
.cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;align-items:center}
.store{display:inline-flex;align-items:center;gap:12px;background:#fff;color:#000;border-radius:14px;padding:10px 22px 10px 18px;min-width:210px;text-align:left;transition:transform .15s}
.store:hover{text-decoration:none;transform:translateY(-1px)}
.store svg{width:28px;height:28px;flex:none}
.store small{display:block;font-size:11px;line-height:1.1;opacity:.75}
.store b{display:block;font-size:20px;line-height:1.15;font-weight:600}
.store.soon{background:transparent;color:var(--fg);border:1px solid var(--line);cursor:default}
.store.soon svg{fill:var(--fg)}
.store.soon:hover{transform:none}
.platforms{margin-top:22px;color:var(--muted);font-size:14px}
.chip{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:3px 11px;margin:3px;font-size:13px;color:var(--muted)}
.chip.on{border-color:rgba(76,215,194,.5);color:var(--ok)}

section{padding:56px 0}
section h2{font-size:clamp(26px,3.6vw,36px);margin:0 0 10px;letter-spacing:-.01em;text-align:center}
section p.sub{color:var(--muted);text-align:center;max-width:640px;margin:0 auto 34px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:18px;padding:24px}
.card .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(76,215,194,.1);color:var(--ok);margin-bottom:14px}
.card .ic svg{width:22px;height:22px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:15px}
.steps{counter-reset:s}
@media(max-width:400px){.grid{grid-template-columns:1fr}}
.steps .card{position:relative;padding-top:58px}
.steps .card:before{counter-increment:s;content:counter(s);position:absolute;top:20px;left:24px;width:28px;height:28px;border-radius:50%;background:var(--accent2);color:#fff;font-weight:700;display:grid;place-items:center;font-size:14px}
.nolog{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));max-width:1000px;margin:0 auto}
.nolog div{border:1px solid var(--line);border-radius:14px;padding:14px 16px;color:var(--muted);font-size:15px}
.nolog b{color:var(--fg);display:block;font-size:16px;margin-bottom:2px}
details{border:1px solid var(--line);border-radius:14px;padding:4px 18px;margin:0 auto 10px;max-width:820px;background:var(--card)}
summary{cursor:pointer;padding:14px 0;font-weight:600;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;color:var(--muted);font-weight:400}
details[open] summary:after{content:"–"}
details p{color:var(--muted);margin:0 0 14px}

footer{border-top:1px solid var(--line);padding:30px 0 40px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center}
footer nav a{margin:0 18px 0 0}

/* текстовые страницы */
.doc{max-width:820px;margin:0 auto;padding:40px 22px 60px}
.doc h1{font-size:32px;line-height:1.2;margin:0 0 6px}
.doc .date{color:var(--muted);margin:0 0 24px}
.doc h2{font-size:20px;margin:30px 0 8px}
.doc li{margin:6px 0}
.doc .box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin:18px 0}
.hero p.tag{display:inline-block;margin:0 0 18px;padding:5px 14px;border:1px solid rgba(76,215,194,.45);border-radius:999px;color:var(--ok);font-size:14px;letter-spacing:.02em}

/* ===== v4: живая главная ===== */
.hero{min-height:calc(100svh - 60px);display:flex;flex-direction:column;justify-content:center;padding:56px 0 110px}
.hero>.wrap{position:relative;z-index:1}
#net{position:absolute;inset:0;width:100%;height:100%;z-index:0;
  -webkit-mask-image:radial-gradient(ellipse 34% 46% at 50% 46%,transparent 35%,#000 100%);mask-image:radial-gradient(ellipse 34% 46% at 50% 46%,transparent 35%,#000 100%)}
.hero:after{content:"";position:absolute;left:50%;top:34%;width:620px;height:620px;transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(76,215,194,.12),rgba(156,203,255,.06) 40%,transparent 70%);animation:breathe 7s ease-in-out infinite;pointer-events:none;z-index:0}
.logo-wrap{width:min(230px,52vw);margin:0 auto 6px;animation:float 6s ease-in-out infinite;filter:drop-shadow(0 18px 40px rgba(156,203,255,.22))}
.logo{width:100%;height:auto;display:block}
.logo .led{opacity:0;animation:led 2.4s steps(1,end) infinite}
.logo .l1{opacity:1;animation:pulse 2.4s ease-in-out infinite}
.logo .l2{animation-delay:.35s}
.logo .l3{animation-delay:1.1s}
.logo .halo{transform-origin:105px 16px;animation:halo 2.4s ease-in-out infinite}
.hero h1.title{font-size:clamp(56px,11vw,112px);line-height:1;margin:6px 0 16px;letter-spacing:-.035em;font-weight:800;
  background:linear-gradient(100deg,#fff 0%,#d9ecff 30%,#4cd7c2 50%,#d9ecff 70%,#fff 100%);background-size:250% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 7s linear infinite}
.hero p.lead{line-height:1.55}
.rot{display:grid;justify-items:center;margin:4px 0 6px;font-size:clamp(26px,4.4vw,38px);line-height:1.25;font-weight:700;letter-spacing:-.01em;height:1.3em;overflow:hidden}
.rot>span{grid-area:1/1;opacity:0;transform:translateY(.6em);animation:word 12s infinite;
  background:linear-gradient(90deg,#d9ecff,#4cd7c2);-webkit-background-clip:text;background-clip:text;color:transparent}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.scroll{position:absolute;left:50%;bottom:34px;width:26px;height:42px;margin-left:-13px;border:2px solid rgba(156,203,255,.35);border-radius:14px;z-index:1}
.scroll:after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--ok);animation:wheel 1.8s ease-in-out infinite}
.card{position:relative;overflow:hidden;transition:border-color .25s,transform .25s}
.card:before{content:"";position:absolute;inset:0;background:radial-gradient(260px circle at var(--mx,-300px) var(--my,-300px),rgba(76,215,194,.10),transparent 60%);pointer-events:none}
.card:hover{border-color:rgba(76,215,194,.35);transform:translateY(-3px)}
.card.note{max-width:820px;margin:0 auto}
.steps .card:after{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:linear-gradient(90deg,transparent,var(--ok),transparent);transform:translateX(-100%);animation:sweep 4s ease-in-out infinite;}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);}
.js .reveal.in{opacity:1;transform:none}
.card.reveal.in:hover{transform:translateY(-3px)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes breathe{0%,100%{opacity:.7;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.08)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes halo{0%,100%{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.35)}}
@keyframes led{0%{opacity:0}8%{opacity:.95}12%{opacity:0}18%{opacity:.8}22%{opacity:0}100%{opacity:0}}
@keyframes shine{0%{background-position:100% 0}100%{background-position:-150% 0}}
@keyframes word{0%{opacity:0;transform:translateY(.6em)}3%,14%{opacity:1;transform:none}17%,100%{opacity:0;transform:translateY(-.6em)}}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}
@keyframes sweep{0%{transform:translateX(-100%)}60%,100%{transform:translateX(100%)}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.rot>span{opacity:0}.rot>span:first-child{opacity:1;transform:none}}
@media (max-width:640px){.hero{min-height:auto;padding:40px 0 96px}.hero:after{width:420px;height:420px}}
.pt0{padding-top:0}.mt56{margin-top:56px}
.reveal[data-d="0"]{transition-delay:0ms}.steps .card[data-d="0"]:after{animation-delay:0ms}
.reveal[data-d="70"]{transition-delay:70ms}.steps .card[data-d="70"]:after{animation-delay:70ms}
.reveal[data-d="90"]{transition-delay:90ms}.steps .card[data-d="90"]:after{animation-delay:90ms}
.reveal[data-d="140"]{transition-delay:140ms}.steps .card[data-d="140"]:after{animation-delay:140ms}
.reveal[data-d="180"]{transition-delay:180ms}.steps .card[data-d="180"]:after{animation-delay:180ms}
.reveal[data-d="210"]{transition-delay:210ms}.steps .card[data-d="210"]:after{animation-delay:210ms}
.reveal[data-d="280"]{transition-delay:280ms}.steps .card[data-d="280"]:after{animation-delay:280ms}
.reveal[data-d="350"]{transition-delay:350ms}.steps .card[data-d="350"]:after{animation-delay:350ms}
.rot>.w0{animation-delay:0s}
.rot>.w1{animation-delay:2s}
.rot>.w2{animation-delay:4s}
.rot>.w3{animation-delay:6s}
.rot>.w4{animation-delay:8s}
.rot>.w5{animation-delay:10s}
.hero:before{display:none}
.hero{border-bottom:1px solid var(--line)}