:root{
  --bg:#060709;
  --ink:#f3efe6;
  --muted:#b8b0a2;
  --line:rgba(243,239,230,.12);
  --glass:rgba(20,22,26,.55);
  --accent:#62c5b6;
  --shadow:0 18px 55px rgba(0,0,0,.55);
  --radius:18px;
  --max:1120px;
}
*{box-sizing:border-box}
html{color-scheme:dark}
body{
  margin:0;min-height:100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(98,197,182,.18), transparent 60%),
    radial-gradient(900px 500px at 80% 0%, rgba(216,179,107,.10), transparent 55%),
    var(--bg);
  color:var(--ink);
}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(6,7,9,.85), rgba(6,7,9,.25));
  border-bottom:1px solid var(--line);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:10px;letter-spacing:.12em;text-transform:uppercase;font-size:13px;color:var(--muted)}
.brand__dot{width:10px;height:10px;border-radius:99px;background:var(--accent);box-shadow:0 0 0 6px rgba(98,197,182,.12)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 14px;border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--ink);
}
.btn--accent{border-color: rgba(98,197,182,.35);background: rgba(98,197,182,.12)}
.panel{border:1px solid var(--line);background: var(--glass);border-radius: var(--radius);padding:18px;box-shadow: var(--shadow)}
.section{padding: 48px 0}
.h1{margin:0;font-size: clamp(26px, 4vw, 36px)}
.sub{margin:10px 0 0;color:var(--muted);line-height:1.6}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form{display:grid;gap:12px}
label{font-size:12px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
input, textarea, select{
  width:100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--ink);
  padding: 12px 12px;
  outline:none;
}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.notice{padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:rgba(243,239,230,.85)}
.error{border-color:rgba(255,110,110,.35)}
.card{border:1px solid var(--line);background: rgba(255,255,255,.03);border-radius: var(--radius);padding: 16px}
@media (max-width: 920px){.grid2{grid-template-columns:1fr}.row2{grid-template-columns:1fr}}