:root{--bg:#0b1120;--panel:#111827;--card:#1f2937;--text:#f9fafb;--muted:#9ca3af;--gold:#f6c453;--green:#22c55e;--red:#ef4444;--line:rgba(255,255,255,.12)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top,#1f3b2d 0,#0b1120 44%,#030712 100%);color:var(--text);min-height:100vh}.app-shell{display:grid;grid-template-columns:minmax(320px,420px) minmax(300px,560px);gap:48px;align-items:center;justify-content:center;min-height:100vh;padding:32px}.phone{height:780px;max-height:92vh;border:12px solid #020617;border-radius:46px;background:#0f172a;box-shadow:0 30px 80px rgba(0,0,0,.55);overflow:hidden;display:flex;flex-direction:column}.status-bar{height:42px;padding:0 22px;display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:13px;background:#020617}.screen{flex:1;overflow:auto;background:linear-gradient(180deg,#14532d 0,#0f172a 62%,#020617 100%);padding:24px}.bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);background:#020617;border-top:1px solid var(--line)}.bottom-nav button{border:0;background:transparent;color:var(--muted);padding:14px 4px;font-size:12px;cursor:pointer}.bottom-nav button.active{color:var(--gold);font-weight:800}.logo{display:grid;place-items:center;margin:30px auto 18px;width:138px;height:138px;border-radius:36px;background:linear-gradient(135deg,#f6c453,#d97706);color:#111827;font-size:44px;font-weight:900;box-shadow:0 18px 45px rgba(246,196,83,.35)}h1,h2,h3,p{margin-top:0}.center{text-align:center}.muted{color:var(--muted)}.button{width:100%;border:0;border-radius:16px;padding:15px 18px;margin-top:12px;font-size:16px;font-weight:800;color:#111827;background:var(--gold);cursor:pointer}.button.secondary{background:#1f2937;color:var(--text);border:1px solid var(--line)}.button.green{background:var(--green);color:#052e16}.field{margin:12px 0}.field label{display:block;font-size:13px;color:#d1d5db;margin-bottom:6px}.field input{width:100%;border:1px solid var(--line);border-radius:14px;background:rgba(15,23,42,.82);color:var(--text);padding:14px;font-size:15px;outline:none}.field input:focus{border-color:var(--gold)}.panel{background:rgba(17,24,39,.82);border:1px solid var(--line);border-radius:22px;padding:18px;margin:14px 0;backdrop-filter:blur(10px)}.tile-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:20px 0}.tile{width:38px;height:54px;border-radius:8px;background:#f8fafc;color:#111827;display:grid;place-items:center;font-weight:900;border-bottom:4px solid #cbd5e1}.tile.red{color:var(--red)}.tile.black{color:#111827}.tile.green{color:#15803d}.tile.blue{color:#2563eb}.checklist{display:grid;gap:10px;padding:0;margin:0;list-style:none}.checklist li{display:flex;gap:10px;align-items:flex-start}.checklist span{color:var(--green);font-weight:900}.demo-panel{max-width:560px}.eyebrow{color:var(--gold);text-transform:uppercase;letter-spacing:.16em;font-weight:900;font-size:12px}.demo-panel h1{font-size:48px;line-height:1.02;margin-bottom:18px}.demo-panel p{color:#d1d5db;font-size:18px;line-height:1.6}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.cards article{background:rgba(255,255,255,.07);border:1px solid var(--line);padding:18px;border-radius:18px}.cards span{display:block;color:var(--muted);font-size:13px;margin-top:8px}.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:8px 12px;background:rgba(0,0,0,.18);font-size:12px;color:#d1d5db}.toast{margin-top:12px;padding:12px 14px;border-radius:14px;background:rgba(34,197,94,.15);border:1px solid rgba(34,197,94,.35);color:#bbf7d0}@media(max-width:900px){.app-shell{grid-template-columns:1fr;padding:16px}.demo-panel{order:-1}.demo-panel h1{font-size:34px}.cards{grid-template-columns:1fr}.phone{height:720px;margin:auto;width:min(100%,420px)}}