:root{--bg:#0B1220;--card:#0f1a2b;--text:#e6f2ff;--muted:#9fb2be;--pri:#00ff99;--ink:#152538;}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.4 system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
.page{max-width:1100px;margin:0 auto;padding:24px}
.hero{padding:28px 24px 8px}
h1{font-size:44px;line-height:1.1;margin:0 0 12px}
.lede{color:var(--muted);margin:6px 0 14px}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;text-decoration:none;border:1px solid #284060;color:var(--text);background:transparent}
.btn.primary{background:var(--pri);color:#062b1c;border-color:transparent}
.btn.ghost{background:transparent}
.cta-row{display:flex;gap:10px;margin:12px 0}
.whatyoullsee{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);list-style:none;padding:0;margin:10px 0}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{background:var(--card);border:1px solid #1f2d46;border-radius:16px;padding:16px}
.qr-wrap{display:flex;align-items:center;justify-content:center;padding:12px;background:var(--ink);border-radius:12px}
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:8px}
.key{padding:18px 0;border-radius:12px;border:1px solid #294261;background:#13243a;color:var(--text);font-size:20px}
.key:active{transform:translateY(1px)}
.pin-row{margin:10px 0}
.pin{width:100%;padding:12px 10px;border-radius:10px;border:1px solid #2a4361;background:#0c1624;color:var(--text);font-size:18px}
.actions{margin-top:8px}
.status{margin-top:10px;color:var(--muted)}
.status.ok{color:#20d49a}.status.err{color:#ff8a8a}
.foot{margin-top:30px;color:var(--muted);text-align:center}
@media (max-width:900px){.grid{grid-template-columns:1fr}h1{font-size:36px}}