:root{
  --bg:#0b0f14; --fg:#e8f1f8; --muted:#9fb3c8;
  --card:#121923; --accent:#41d0b6; --accent-2:#59a8ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial;background:var(--bg);color:var(--fg)}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:720px;margin:0 auto;padding:20px}
.header{display:flex;align-items:center;gap:10px;margin:20px 0 8px}
.logo{height:28px;width:28px}
h1{font-size:28px;margin:0}
.card{background:var(--card);border:1px solid #1f2630;border-radius:16px;padding:22px;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.badge{font-size:12px;color:#0a2a20;background:linear-gradient(90deg,var(--accent),var(--accent-2));padding:6px 10px;border-radius:999px;display:inline-block;font-weight:700;letter-spacing:.3px}
.progress{height:6px;background:#10161f;border-radius:999px;margin:18px 0;overflow:hidden}
.progress>div{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .45s ease}
.step{display:none;animation:fade .25s ease}
.step.active{display:block}
label{display:block;margin:12px 0 6px;font-weight:600}
input[type="tel"],input[type="text"],select{width:100%;padding:14px 16px;border-radius:12px;border:1px solid #263041;background:#0c131b;color:var(--fg);outline:none}
input[type="checkbox"]{transform:scale(1.1);margin-right:8px}
button{width:100%;padding:14px 18px;border-radius:12px;border:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#041017;font-weight:800;letter-spacing:.3px;margin-top:14px;cursor:pointer}
button[disabled]{opacity:.5;cursor:not-allowed}
.small{font-size:12px;color:var(--muted)}
.hr{height:1px;background:#223043;margin:16px 0;border-radius:1px}
.footer{opacity:.8;margin-top:22px;font-size:12px}
.alert{padding:12px 14px;border:1px solid #2b394a;background:#0e1722;border-radius:12px;color:#b9e6ff}
.center{text-align:center}
.kbd{background:#0f1720;border:1px solid #334155;padding:2px 6px;border-radius:6px;font-size:12px}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}