:root{
  --bg:#06122a;--bg2:#0b2346;--card:#0f2a52;--card2:#123462;--line:#1f4677;
  --text:#eaf2ff;--muted:#9fb4d3;--blue:#1684ff;--cyan:#0ec4e6;--green:#22c55e;
  --danger:#ff6b6b;--ok:#34d399;--radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  font-family:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--text);
  background:radial-gradient(1200px 600px at 50% -10%,#123a70 0%,transparent 60%),linear-gradient(180deg,var(--bg2),var(--bg) 60%);
  background-color:var(--bg);
  min-height:100vh;line-height:1.55;
}
a{color:var(--cyan)}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
header.site{display:flex;align-items:center;justify-content:space-between;padding:20px 0}
header.site img{height:40px;display:block}
header.site nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:15px}
header.site nav a:hover{color:var(--text)}
footer.site{color:var(--muted);font-size:13px;padding:36px 0 40px;border-top:1px solid var(--line);margin-top:56px}
footer.site a{color:var(--muted)}
h1{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:.2em 0 .4em}
h2{font-size:22px;margin:1.6em 0 .5em}
p.lead{color:var(--muted);font-size:18px;max-width:640px}
.card{background:linear-gradient(180deg,var(--card),#0c2449);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:14px 22px;font:600 16px/1 inherit;font-family:inherit;cursor:pointer;text-decoration:none;color:#03142b;background:linear-gradient(90deg,var(--cyan),var(--green))}
.btn:disabled{opacity:.6;cursor:wait}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:760px){.grid3{grid-template-columns:1fr}header.site nav a{margin-left:12px;font-size:14px}}
.step b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--card2);color:var(--green);margin-bottom:8px}
.muted{color:var(--muted)}
.small{font-size:13px}
.legal h2{font-size:19px}
.legal p,.legal li{color:#cbd8ec}

/* formulario de activación */
.act{max-width:560px;margin:8px auto 0}
label{display:block;font-size:14px;color:var(--muted);margin:14px 0 6px}
input,select{width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:#081a36;color:var(--text);font:16px inherit;font-family:inherit;outline:none}
input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(14,196,230,.2)}
input.code{font-size:30px;letter-spacing:.35em;text-align:center;text-transform:uppercase;font-weight:700;padding:14px 8px}
.tabs{display:flex;background:#081a36;border:1px solid var(--line);border-radius:12px;padding:4px;margin-top:18px}
.tabs button{flex:1;border:0;background:transparent;color:var(--muted);padding:11px;border-radius:9px;font:600 15px inherit;font-family:inherit;cursor:pointer}
.tabs button.on{background:var(--card2);color:var(--text)}
.hidden{display:none!important}
.msg{margin-top:16px;padding:14px 16px;border-radius:12px;font-size:15px}
.msg.err{background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.4);color:#ffc9c9}
.msg.ok{background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.4);color:#c7f9e3}
.msg.warn{background:rgba(250,204,21,.1);border:1px solid rgba(250,204,21,.35);color:#fde68a}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:480px){.row2{grid-template-columns:1fr}}
.done{text-align:center;padding:12px 0}
.done .tick{width:72px;height:72px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;background:rgba(34,197,94,.15);color:var(--green);font-size:38px}