:root{
  --bg:#120b2f;
  --bg2:#261259;
  --panel:rgba(255,255,255,.075);
  --panel-strong:rgba(255,255,255,.11);
  --line:rgba(255,255,255,.14);
  --text:#f8f6ff;
  --muted:#c9c3df;
  --accent:#73d9ff;
  --accent2:#ff78c9;
  --gold:#ffd76a;
  --success:#77efc0;
  --shadow:0 24px 70px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 15% 0%,rgba(105,63,255,.34),transparent 28rem),
    radial-gradient(circle at 90% 8%,rgba(255,72,190,.22),transparent 24rem),
    linear-gradient(160deg,var(--bg),var(--bg2) 62%,#12092c);
  line-height:1.65;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.shell{width:min(980px,calc(100% - 30px));margin:0 auto;padding:28px 0 54px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}
.brand{display:flex;align-items:center;gap:13px;color:var(--text);text-decoration:none}
.brand:hover{text-decoration:none}
.brand img{width:56px;height:56px;border-radius:15px;box-shadow:0 10px 24px rgba(0,0,0,.32);object-fit:cover}
.brand strong{display:block;font-size:18px;line-height:1.1}
.brand span{display:block;margin-top:4px;color:var(--muted);font-size:12px;font-weight:650;letter-spacing:.05em}
.nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.nav a,.button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 14px;border:1px solid var(--line);border-radius:13px;background:var(--panel);color:var(--text);font-size:13px;font-weight:750;text-decoration:none;transition:.18s ease}
.nav a:hover,.button:hover{background:var(--panel-strong);transform:translateY(-1px);text-decoration:none}
.hero,.card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.055));box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.hero{position:relative;overflow:hidden;border-radius:27px;padding:38px 38px 34px;margin-bottom:18px}
.hero:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-90px;top:-130px;background:radial-gradient(circle,rgba(115,217,255,.25),transparent 68%);pointer-events:none}
.eyebrow{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(115,217,255,.12);border:1px solid rgba(115,217,255,.25);color:#bdefff;font-size:11px;font-weight:850;letter-spacing:.11em;text-transform:uppercase}
h1{margin:14px 0 8px;font-size:clamp(31px,5vw,49px);line-height:1.06;letter-spacing:-.045em}
.lead{max-width:720px;margin:0;color:var(--muted);font-size:16px}
.meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.meta span{padding:7px 10px;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.05);color:var(--muted);font-size:12px;font-weight:700}
.grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:18px;align-items:start}
.card{border-radius:22px;padding:28px;margin-bottom:18px}
.card h2{margin:0 0 10px;font-size:23px;line-height:1.2;letter-spacing:-.025em}
.card h3{margin:26px 0 7px;font-size:17px;line-height:1.3}
.card p{margin:8px 0;color:var(--muted)}
.card ul{padding-left:21px;color:var(--muted)}
.card li{margin:7px 0}
.notice{padding:15px 16px;border-radius:15px;background:rgba(255,215,106,.09);border:1px solid rgba(255,215,106,.24);color:#f6e8b7;margin:16px 0}
.good{background:rgba(119,239,192,.08);border-color:rgba(119,239,192,.23);color:#c8f8e6}
.side{position:sticky;top:18px}
.side .card{padding:19px}
.side h2{font-size:16px}
.side a{display:block;padding:7px 0;color:var(--muted);font-size:13px;font-weight:650}
.side a:hover{color:var(--text)}
.contact{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.contact .button.primary{border-color:transparent;color:#1e1632;background:linear-gradient(180deg,#91e9ff,#52c7f4);box-shadow:0 7px 18px rgba(50,190,240,.22)}
.faq{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}
details{border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.045);padding:13px 15px;margin:10px 0}
summary{cursor:pointer;font-weight:800;color:var(--text)}
details p{margin-bottom:2px}
.lang-separator{display:flex;align-items:center;gap:12px;margin:34px 0 18px;color:var(--muted);font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.lang-separator:before,.lang-separator:after{content:"";height:1px;background:var(--line);flex:1}
footer{padding:18px 3px 0;color:rgba(255,255,255,.5);font-size:12px;text-align:center}
code{padding:2px 6px;border-radius:7px;background:rgba(255,255,255,.08);color:#e5e1f4}
@media (max-width:760px){
  .shell{width:min(100% - 20px,680px);padding-top:16px}
  .topbar{align-items:flex-start;flex-direction:column}
  .nav{justify-content:flex-start}
  .hero{padding:28px 22px;border-radius:23px}
  .grid{grid-template-columns:1fr}
  .side{position:static;order:-1}
  .side .card{display:none}
  .card{padding:22px;border-radius:19px}
}