.oferta-fundo{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(20,12,17,.55);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);animation:oferta-surge .18s ease-out}.oferta{position:relative;width:100%;max-width:420px;max-height:calc(100vh - 40px);overflow-y:auto;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:18px;padding:28px 24px 24px;box-shadow:0 30px 70px -28px rgba(0,0,0,.55)}.oferta h2{margin:0 0 6px;font-size:1.3rem;line-height:1.25;padding-right:28px}.oferta-sub{margin:0 0 18px;color:var(--muted);font-size:.92rem;line-height:1.5}.oferta-fechar{position:absolute;top:10px;right:10px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;padding:0;background:none;border:none;border-radius:999px;color:var(--muted);font-size:1.5rem;line-height:1;cursor:pointer}.oferta-fechar:hover{background:var(--bg);color:var(--text)}.oferta form{display:flex;flex-direction:column;gap:12px}.oferta button[type=submit]{width:100%}.oferta-aceite{display:flex;align-items:flex-start;gap:10px;margin:4px 0 8px;font-size:.82rem;line-height:1.45;color:var(--muted);cursor:pointer}.oferta-aceite input{flex:none;width:18px;height:18px;margin-top:1px;cursor:pointer}.oferta-aceite a{color:var(--accent)}@keyframes oferta-surge{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.oferta-fundo{animation:none}}