:root{
  --bg:#0b1020; --panel:#141c33; --panel2:#1b2547; --ink:#eaf0ff; --muted:#a9b6d6;
  --brand:#ffb020; --brand2:#ff6a3d; --line:#28345c; --ok:#31d07a; --bad:#ff5d6c;
  --wrap:1080px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.68;font-size:17px}
a{color:var(--brand)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

header.site{position:sticky;top:0;z-index:40;background:rgba(11,16,32,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-row{display:flex;flex-wrap:nowrap;align-items:center;gap:16px;
  justify-content:space-between;padding:12px 0}
.brand-logo{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;
  white-space:nowrap;letter-spacing:.2px}
.brand-logo span{color:var(--brand)}
.nav-cta{display:flex;flex-wrap:nowrap;align-items:center;gap:14px;margin-left:auto}
.nav-main{display:flex;flex-wrap:nowrap;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-main a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:600;
  padding:8px 9px;border-radius:8px;white-space:nowrap}
.nav-main a:hover,.nav-main a.active{color:var(--ink);background:var(--panel2)}
.btn-head{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#20130a;
  font-weight:800;text-decoration:none;padding:9px 15px;border-radius:10px;white-space:nowrap}
.burger{display:none;margin-left:auto;background:var(--panel2);border:1px solid var(--line);
  color:var(--ink);font-size:22px;line-height:1;padding:8px 12px;border-radius:10px;cursor:pointer}

.hero-img{border-radius:16px;border:1px solid var(--line);margin:14px 0 8px;width:100%;
  aspect-ratio:auto}
h1{font-size:31px;line-height:1.22;margin:18px 0 6px}
h2{font-size:24px;margin:30px 0 8px}
h3{font-size:19px;margin:22px 0 6px}
main{padding:8px 0 20px}
.lede{font-size:19px;color:#dfe7ff;background:var(--panel);border-left:4px solid var(--brand);
  padding:14px 18px;border-radius:12px;margin:12px 0 18px}
.crumbs{font-size:14px;color:var(--muted);padding:14px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink)}

.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:16px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.proscons .box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 18px}
.proscons h3{margin-top:0}
.box.pro{border-top:3px solid var(--ok)} .box.con{border-top:3px solid var(--bad)}

table{border-collapse:collapse;width:100%;min-width:460px;background:var(--panel);border-radius:12px;overflow:hidden}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:16px 0}
th,td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
th{background:var(--panel2);color:#fff}

details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:6px 16px;margin:10px 0}
summary{cursor:pointer;font-weight:700;padding:10px 0}
.faq-a{color:var(--muted);padding:0 0 10px}

.tabs{margin:16px 0}
.tab-btns{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tab-btns button{background:var(--panel2);border:1px solid var(--line);color:var(--muted);
  padding:9px 14px;border-radius:10px;cursor:pointer;font-weight:700}
.tab-btns button.active{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#20130a}
.tab-pane{display:none} .tab-pane.active{display:block}

.calc{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:18px 0}
.calc label{display:block;font-size:14px;color:var(--muted);margin:8px 0 4px}
.calc input[type=range]{width:100%}
.calc .out{font-size:22px;font-weight:800;color:var(--brand);margin-top:8px}

.spin{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);
  border-radius:16px;padding:20px;margin:26px 0}
.cta-wrap{margin-top:12px}
.btn-cta{display:inline-block;background:linear-gradient(90deg,var(--brand),var(--brand2));
  color:#20130a;font-weight:800;text-decoration:none;padding:13px 26px;border-radius:12px;font-size:18px}
.note{background:rgba(255,176,32,.08);border:1px solid rgba(255,176,32,.35);color:#ffe6bf;
  border-radius:12px;padding:12px 16px;margin:16px 0}

footer.site{border-top:1px solid var(--line);background:#080c18;margin-top:30px;padding:26px 0}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px}
footer h4{margin:0 0 10px;font-size:15px;color:#fff}
footer a{color:var(--muted);text-decoration:none;display:block;padding:3px 0;font-size:14px}
footer a:hover{color:var(--ink)}
.foot-legal{color:var(--muted);font-size:13px;margin-top:20px;border-top:1px solid var(--line);padding-top:16px}
.age{display:inline-block;border:1px solid var(--bad);color:var(--bad);border-radius:8px;
  padding:1px 8px;font-weight:800;font-size:13px;margin-right:6px}

#top{position:fixed;right:16px;bottom:16px;background:var(--brand);color:#20130a;border:none;
  width:46px;height:46px;border-radius:50%;font-size:22px;cursor:pointer;display:none;font-weight:800}

@media (max-width:960px){
  .nav-main{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;
    align-items:stretch;background:var(--panel);border-bottom:1px solid var(--line);
    padding:10px 22px;gap:2px}
  .nav-main.open{display:flex}
  .nav-main a{padding:12px 8px;border-radius:8px}
  .burger{display:inline-block}
  header.site{position:sticky}
  .head-row{position:relative;flex-wrap:wrap}
  .nav-cta{gap:10px}
}
@media (max-width:720px){
  body{font-size:16px}
  h1{font-size:26px} h2{font-size:21px}
  .wrap{padding:0 22px}
  .grid2,.proscons,.foot-grid{grid-template-columns:1fr}
  .btn-head{padding:8px 12px}
}