:root{
  --bg:#0b0b0f; --bg2:#12121a; --card:#171722; --line:#26263a;
  --text:#f2f2f7; --muted:#9a9ab0;
  --acc1:#7c5cff; --acc2:#ff4d8d; --acc3:#3ddc97;
  --r:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1{font-size:30px;line-height:1.15;margin:.2em 0}
h2{font-size:22px;margin:0 0 12px}
main{padding:0 16px 96px;max-width:760px;margin:0 auto}
.muted{color:var(--muted);font-size:14px}
.grad{background:linear-gradient(90deg,var(--acc1),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}

.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;background:rgba(11,11,15,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.06em}
.logo-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--acc1),var(--acc2));font-weight:800}
.ghost{background:transparent;border:1px solid var(--line);color:var(--text);padding:8px 12px;border-radius:10px;font-size:14px}

.hero{padding:28px 0 8px}
.eyebrow{color:var(--acc3);font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin:0}
.lead{color:var(--muted);margin:10px 0 18px}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);color:var(--text);font-weight:600;cursor:pointer;font-size:15px}
.btn.primary{background:linear-gradient(135deg,var(--acc1),var(--acc2));border:0}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:16px 0 0;margin:0}
.chips li{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 11px}

.block{padding:26px 0;border-top:1px solid var(--line);margin-top:18px}
.grid{display:grid;gap:12px}
@media(min-width:620px){.grid{grid-template-columns:1fr 1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.card h3{margin:0 0 6px;font-size:17px}
.card .icon{font-size:22px}
.card ul{margin:10px 0 0;padding-left:18px;color:var(--muted);font-size:14px}
.card .meta{display:flex;justify-content:space-between;margin-top:12px;font-size:13px;color:var(--muted)}
.card .price{color:var(--text);font-weight:700}
.card .actions{display:flex;gap:8px;margin-top:12px}
.card .actions button{flex:1}
.tag{display:inline-block;font-size:12px;color:#0b0b0f;background:var(--acc3);border-radius:999px;padding:2px 9px;margin-left:8px}

.calc-list{display:grid;gap:8px;margin:12px 0}
.calc-row{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:11px 13px;cursor:pointer}
.calc-row input{accent-color:var(--acc1);width:18px;height:18px}
.calc-row .name{flex:1}
.calc-row .p{color:var(--muted);font-size:13px}
.calc-options{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 16px}
.calc-options label{display:grid;gap:6px;font-size:14px;color:var(--muted);flex:1;min-width:140px}
select,input,textarea{background:var(--bg2);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:11px 12px;font:inherit;width:100%}
.calc-total{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;
  display:grid;gap:10px}
.calc-total .price{font-size:26px;font-weight:800;background:linear-gradient(90deg,var(--acc1),var(--acc2));
  -webkit-background-clip:text;background-clip:text;color:transparent}

.steps{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.steps li{display:flex;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px}
.steps .n{display:grid;place-items:center;min-width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--acc1),var(--acc2));font-weight:700;font-size:14px}

#faqList details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px;margin-bottom:8px}
#faqList summary{cursor:pointer;font-weight:600}
#faqList p{color:var(--muted);margin:8px 0 0}

form{display:grid;gap:12px}
form label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
form .check{display:flex;align-items:center;gap:10px;font-size:13px}
form .check input{width:18px;height:18px;accent-color:var(--acc1)}
.status{font-size:14px;min-height:20px;margin:0}
.status.ok{color:var(--acc3)}
.status.err{color:var(--acc2)}

.footer{border-top:1px solid var(--line);margin-top:26px;padding:18px 0;font-size:13px;color:var(--muted);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

.bottombar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;
  background:rgba(18,18,26,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);
  padding:8px 8px calc(8px + env(safe-area-inset-bottom))}
.bottombar a{flex:1;text-align:center;padding:10px 4px;font-size:13px;color:var(--muted);border-radius:10px}
.bottombar a.accent{color:var(--text);background:linear-gradient(135deg,var(--acc1),var(--acc2));font-weight:700}