:root{--bg:#0b0f14;--fg:#e8f0ff;--muted:#94a3b8;--card:#111827;--accent:#38bdf8}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg);line-height:1.5}
.container{max-width:1100px;margin:0 auto;padding:24px}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center}
.card{background:var(--card);border-radius:18px;padding:20px;box-shadow:0 10px 30px rgb(0 0 0 / .35)}h1,h2{margin:0 0 10px}
.buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 16px;border-radius:14px;border:none;cursor:pointer;font-weight:700;text-decoration:none;color:#0b0f14;background:white;transition:transform .1s ease, box-shadow .2s ease; box-shadow:0 6px 18px rgba(0,0,0,.25)}
.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(1px)}
.btn-3d{background:linear-gradient(135deg,#34d399,#10b981)}.btn-ar{background:linear-gradient(135deg,#60a5fa,#38bdf8)}.btn-quiz{background:linear-gradient(135deg,#f59e0b,#f97316)}.btn-ticket{background:linear-gradient(135deg,#a78bfa,#8b5cf6)}.btn-rec{background:linear-gradient(135deg,#f43f5e,#ef4444)}.btn-go{background:linear-gradient(135deg,#22c55e,#16a34a)}
.controls{position:sticky;top:0;z-index:50;background:rgba(11,15,20,.85);backdrop-filter:blur(8px);border-bottom:1px solid #1f2937}
.controls .row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:10px 16px}.ctrl{background:#111827;border:1px solid #1f2937;color:#e5e7eb;padding:8px 10px;border-radius:12px;cursor:pointer}
.ctrl[aria-pressed="true"]{outline:2px solid var(--accent)}footer{margin-top:40px;color:var(--muted);text-align:center}
.badge{font-size:12px;border:1px solid #1f2937;padding:2px 8px;border-radius:999px;color:#9ca3af}.hidden{display:none !important}
.lang-es .en{display:none}.lang-en .es{display:none}
.high-contrast{background:#000;color:#fff}.high-contrast .card{background:#111;color:#fff}.high-contrast a{color:#0ff}
a{color:#7dd3fc}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.hero{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}}.small{font-size:.92rem;color:var(--muted)}