:root{
  --bg-top:#0a0a0a;
  --bg-bottom:#b5b5b5;
  --card-bg:rgba(255,255,255,0.12);
  --card-brd:rgba(255,255,255,0.25);
  --text:#fff;
  --muted:#d0d0d0;
  --accent:#9ed0ff;
}
body{
  margin:0;color:var(--text);
  background:linear-gradient(180deg,var(--bg-top),var(--bg-bottom));
  font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
.hero{text-align:center;padding:40px 20px}
.hero h1{font-size:2.5rem;margin:0}
.tagline{color:var(--muted);margin-top:8px}
.cta{margin-top:20px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.wrap{width:100%;max-width:960px;margin:0 auto;padding:20px;display:grid;gap:20px}
.glass{backdrop-filter:saturate(150%) blur(16px);
  -webkit-backdrop-filter:saturate(150%) blur(16px);
  background:var(--card-bg);border:1px solid var(--card-brd);
  border-radius:20px;padding:28px;
  box-shadow:0 20px 60px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.08);
}
.btn{border:0;border-radius:12px;padding:12px 16px;
  background:linear-gradient(180deg,#ffffffAA,#ffffff66);
  color:#0a0a0a;font-weight:700;text-decoration:none;display:inline-block;
}
.btn.accent{background:linear-gradient(180deg,var(--accent),#6fb4e9);color:#0a0a0a}
.btn:hover{filter:brightness(1.05)}
.form{display:grid;gap:12px;margin-top:12px}
.hidden{display:none}
input,textarea{padding:12px 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.08);color:var(--text);
}
input:focus,textarea:focus{border-color:var(--accent);outline:none;
  box-shadow:0 0 0 3px rgba(158,208,255,.25)}
.foot{text-align:center;padding:20px;color:var(--muted)}