/* ===== SPIDER AR · base compartida · mobile-first ===== */
:root{
  --rojo:#E20613; --rojo-osc:#a60410;
  --neg:#0A0A0A; --gris:#1F1F1F; --borde:rgba(255,255,255,.08);
  --txt:#f2f3f5; --tenue:#8b94a0;
  --wa:#25D366;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{height:100%}
body{min-height:100%;background:var(--neg);color:var(--txt);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;overscroll-behavior:none}
h1,h2,h3,.display{font-family:"Bebas Neue",Impact,sans-serif;font-weight:400;letter-spacing:.02em}

/* ---------- PANTALLA DE BIENVENIDA ---------- */
.bienvenida{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:1.5rem;
  background:radial-gradient(ellipse 90% 60% at 50% 0%,rgba(226,6,19,.14),transparent),var(--neg)}
.marca{font-family:"Bebas Neue",Impact,sans-serif;font-size:.95rem;letter-spacing:.3em;
  color:var(--tenue);margin-bottom:.5rem}
.marca b{color:var(--rojo)}
.bienvenida h1{font-size:clamp(2.4rem,11vw,4rem);line-height:.95;margin-bottom:.6rem}
.bienvenida h1 em{font-style:normal;color:var(--rojo)}
.lead{color:var(--tenue);font-size:.98rem;max-width:30rem;margin-bottom:1.8rem;line-height:1.55}
.pasos{display:grid;gap:.7rem;width:100%;max-width:21rem;margin-bottom:1.8rem;text-align:left}
.paso{display:flex;gap:.8rem;align-items:flex-start;background:var(--gris);
  border:1px solid var(--borde);border-radius:14px;padding:.85rem .95rem}
.paso i{flex:0 0 1.6rem;height:1.6rem;border-radius:50%;background:var(--rojo);color:#fff;
  display:grid;place-items:center;font-style:normal;font-size:.8rem;font-weight:800}
.paso span{font-size:.9rem;line-height:1.4;color:#d4d8de}
.btn{appearance:none;border:0;cursor:pointer;font-family:inherit;font-weight:700;
  border-radius:999px;padding:1rem 2rem;font-size:1rem;background:var(--rojo);color:#fff;
  min-height:48px;transition:background .2s,transform .1s}
.btn:active{transform:scale(.97)}
.btn:hover{background:var(--rojo-osc)}
.btn-sec{background:transparent;border:2px solid rgba(255,255,255,.22);color:var(--txt)}
.btn-sec:hover{background:rgba(255,255,255,.08)}
.nota{margin-top:1rem;font-size:.8rem;color:var(--tenue)}

/* ---------- ESCENA AR ---------- */
.escena{position:fixed;inset:0;z-index:10;display:none;background:#000;overflow:hidden}
.escena.on{display:block}
#video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.capa{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:86vw;max-width:680px;will-change:transform;touch-action:none}
.capa img{display:block;width:100%;pointer-events:none;user-select:none;
  filter:drop-shadow(0 18px 34px rgba(0,0,0,.55))}
.capa img.oculto{display:none}

/* ---------- CONTROLES ---------- */
.top{position:absolute;top:0;left:0;right:0;z-index:20;display:flex;justify-content:space-between;
  align-items:center;gap:.5rem;padding:max(.8rem,env(safe-area-inset-top)) .9rem .9rem;
  background:linear-gradient(180deg,rgba(0,0,0,.72),transparent)}
.chip{display:inline-flex;align-items:center;gap:.4rem;background:rgba(18,18,20,.82);
  border:1px solid var(--borde);color:var(--txt);border-radius:999px;
  padding:.5rem .9rem;font-size:.82rem;font-weight:600;cursor:pointer;
  backdrop-filter:blur(10px);min-height:40px;font-family:inherit}
.chip.act{background:var(--rojo);border-color:var(--rojo);color:#fff}
.chips{position:absolute;left:0;right:0;bottom:7.6rem;z-index:20;display:flex;gap:.5rem;
  justify-content:center;flex-wrap:wrap;padding:0 .8rem}
.abajo{position:absolute;left:0;right:0;bottom:0;z-index:20;
  padding:1rem .9rem max(1rem,env(safe-area-inset-bottom));
  background:linear-gradient(0deg,rgba(0,0,0,.8),transparent);
  display:flex;align-items:center;justify-content:center;gap:1.4rem}
.zoom{display:flex;align-items:center;gap:.5rem;background:rgba(18,18,20,.82);
  border:1px solid var(--borde);border-radius:999px;padding:.25rem;backdrop-filter:blur(10px)}
.zoom button{width:40px;height:40px;border-radius:50%;border:0;background:transparent;
  color:#fff;font-size:1.3rem;cursor:pointer;font-family:inherit}
.zoom span{min-width:3.3rem;text-align:center;font-size:.8rem;color:var(--tenue);font-weight:600}
.disparo{width:68px;height:68px;border-radius:50%;border:4px solid rgba(255,255,255,.9);
  background:var(--rojo);cursor:pointer;flex:0 0 auto;box-shadow:0 0 0 4px rgba(0,0,0,.3)}
.disparo:active{transform:scale(.93)}
.pista{position:absolute;left:0;right:0;bottom:5.6rem;z-index:19;text-align:center;
  font-size:.78rem;color:rgba(255,255,255,.75);pointer-events:none;text-shadow:0 1px 3px #000}

/* ---------- CARGANDO / ERROR / CAPTURA ---------- */
.cargando{position:fixed;inset:0;z-index:45;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:1rem;background:var(--neg);padding:2rem}
.cargando.on{display:flex}
.pista-carga{width:min(78vw,18rem);height:5px;border-radius:99px;background:var(--gris);overflow:hidden}
.pista-carga i{display:block;height:100%;width:0;background:var(--rojo);transition:width .25s}
.modal{position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center;
  padding:1.2rem;background:rgba(0,0,0,.9)}
.modal.on{display:flex}
.caja{width:100%;max-width:30rem;background:var(--gris);border:1px solid var(--borde);
  border-radius:18px;padding:1.3rem;text-align:center}
.caja img{width:100%;border-radius:12px;margin-bottom:1rem;display:block}
.caja h3{font-size:1.5rem;margin-bottom:.4rem}
.caja p{color:var(--tenue);font-size:.9rem;margin-bottom:1.1rem;line-height:1.5}
.fila{display:grid;gap:.6rem}
@media(min-width:420px){.fila{grid-template-columns:1fr 1fr}}
.btn-wa{background:var(--wa)}
.btn-wa:hover{background:#1da851}
.cerrar{position:absolute;top:max(.8rem,env(safe-area-inset-top));right:.9rem;z-index:61;
  width:40px;height:40px;border-radius:50%;border:1px solid var(--borde);
  background:rgba(18,18,20,.85);color:#fff;font-size:1.1rem;cursor:pointer}

/* ---------- ESCRITORIO ---------- */
@media(min-width:900px){
  .capa{max-width:760px}
  .bienvenida h1{font-size:4.2rem}
  .pasos{max-width:34rem;grid-template-columns:1fr 1fr}
}