/* ═══════════════════════════════════════════════
   PORTAFOLIO — "Nuestros trabajos hablan por sí solos"
   ═══════════════════════════════════════════════ */
.portafolio{position:relative;overflow-x:hidden;background:
  radial-gradient(ellipse 70% 50% at 50% 0%,rgba(142,84,233,.14),transparent 70%),
  linear-gradient(180deg,#0A1128,#0B132B 40%,#0A1128)}
.portafolio .env{position:relative;z-index:2}

/* luz que sigue al cursor */
.pf-luz{position:absolute;width:640px;height:640px;left:0;top:0;border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(circle,rgba(58,123,213,.16),rgba(142,84,233,.08) 45%,transparent 70%);
  transform:translate(-50%,-50%);transition:opacity .6s;opacity:0;will-change:left,top}
.portafolio:hover .pf-luz{opacity:1}

/* orbes flotantes */
.pf-orbe{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;z-index:0;animation:pfDerivar 16s ease-in-out infinite}
.pf-orbe.o1{width:380px;height:380px;top:8%;left:-140px;background:rgba(41,209,179,.14)}
.pf-orbe.o2{width:460px;height:460px;bottom:6%;right:-180px;background:rgba(142,84,233,.18);animation-delay:-6s}
@keyframes pfDerivar{0%,100%{transform:translate(0,0)}33%{transform:translate(60px,-40px)}66%{transform:translate(-30px,50px)}}

/* título con palabras que entran una a una */
.pf-titulo .pal-anim{display:inline-block;opacity:0;transform:translateY(.6em) rotate(4deg);filter:blur(6px);transition:opacity .7s,transform .8s cubic-bezier(.2,.7,.3,1),filter .7s}
.pf-titulo.visible .pal-anim{opacity:1;transform:none;filter:none}

/* cifras */
.pf-cifras{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:880px;margin:0 auto 46px}
.pf-cifra{position:relative;text-align:center;padding:20px 12px;border-radius:16px;background:rgba(255,255,255,.03);border:1px solid var(--borde);overflow:hidden}
.pf-cifra::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(120deg,transparent 30%,rgba(110,246,243,.6),transparent 70%);background-size:250% 100%;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:pfBorde 4s linear infinite;pointer-events:none}
.pf-cifra:nth-child(2)::before{animation-delay:-1s}.pf-cifra:nth-child(3)::before{animation-delay:-2s}.pf-cifra:nth-child(4)::before{animation-delay:-3s}
@keyframes pfBorde{from{background-position:150% 0}to{background-position:-100% 0}}
.pf-cifra b{display:block;font-size:clamp(1.8rem,3.6vw,2.5rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;
  background:linear-gradient(100deg,var(--aqua),var(--azul) 50%,var(--morado));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pf-cifra span{font-size:.78rem;color:var(--muted);letter-spacing:.04em}
@media(max-width:640px){.pf-cifras{grid-template-columns:repeat(2,1fr);gap:10px}}

/* filtros */
.pf-filtros-caja{display:flex;justify-content:center;margin-bottom:38px}
.pf-filtros{position:relative;display:flex;gap:4px;padding:6px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--borde);
  max-width:100%;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.pf-filtros::-webkit-scrollbar{display:none}
.pf-indicador{position:absolute;top:6px;left:0;height:calc(100% - 12px);border-radius:999px;z-index:0;
  background:linear-gradient(120deg,var(--azul),var(--morado));box-shadow:0 6px 24px rgba(58,123,213,.45);
  transition:transform .55s cubic-bezier(.34,1.3,.5,1),width .55s cubic-bezier(.34,1.3,.5,1)}
.pf-filtro{position:relative;z-index:1;flex-shrink:0;display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border:0;border-radius:999px;background:none;
  font-family:var(--tipo);font-size:.88rem;font-weight:500;color:var(--muted);cursor:pointer;white-space:nowrap;transition:color .3s}
.pf-filtro:hover{color:#fff}
.pf-filtro.activo{color:#fff}
.pf-filtro small{font-size:.7rem;font-weight:600;min-width:22px;padding:1px 7px;border-radius:999px;background:rgba(255,255,255,.1);transition:background .3s}
.pf-filtro.activo small{background:rgba(255,255,255,.24)}

/* rejilla tipo mosaico */
.pf-rejilla{position:relative;overflow-anchor:none;display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:8px;gap:0 18px}
@media(max-width:1000px){.pf-rejilla{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.pf-rejilla{grid-template-columns:repeat(2,1fr);gap:0 12px}}

.pf-item{perspective:1000px;opacity:0;transform:translateY(40px) scale(.94);transition:opacity .7s,transform .8s cubic-bezier(.2,.7,.3,1)}
.pf-item.entra{opacity:1;transform:none}
.pf-item.sale{opacity:0!important;transform:scale(.85)!important;transition:opacity .28s,transform .28s}
.pf-item.escondido{display:none}

.pf-tarjeta{position:relative;display:block;width:100%;height:calc(100% - 18px);border:0;padding:0;border-radius:18px;overflow:hidden;cursor:pointer;background:var(--card);
  transform-style:preserve-3d;transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .5s cubic-bezier(.2,.7,.3,1),box-shadow .5s;
  box-shadow:0 10px 30px rgba(0,0,0,.35);outline-offset:4px}
@media(max-width:640px){.pf-tarjeta{height:calc(100% - 12px);border-radius:14px}}
.pf-tarjeta.moviendo{transition:transform .08s linear,box-shadow .5s}
.pf-tarjeta:hover{box-shadow:0 28px 60px rgba(0,0,0,.55),0 0 0 1px rgba(110,246,243,.35),0 0 50px rgba(58,123,213,.25)}
.pf-tarjeta img,.pf-tarjeta video{width:100%;height:100%;object-fit:cover;transition:transform 1.1s cubic-bezier(.2,.7,.3,1),filter .6s}
.pf-tarjeta:hover img,.pf-tarjeta:hover video{transform:scale(1.08)}
/* piezas con fondo muy claro: se atenúa el blanco para que no encandile sobre el fondo oscuro */
.pf-item.claro .pf-tarjeta img{filter:brightness(.8) contrast(1.06) saturate(1.05)}
.pf-item.claro .pf-tarjeta:hover img{filter:brightness(.92) contrast(1.04)}
.pf-item.claro .pf-tarjeta{box-shadow:0 10px 30px rgba(0,0,0,.35),inset 0 0 0 1px rgba(110,246,243,.12)}

/* esqueleto mientras carga */
.pf-tarjeta::before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(100deg,#101A38 30%,#18264d 50%,#101A38 70%);background-size:300% 100%;animation:pfCarga 1.4s linear infinite}
.pf-tarjeta.cargada::before{display:none}
.pf-tarjeta img,.pf-tarjeta video{position:relative;z-index:1;opacity:0;transition:opacity .6s,transform 1.1s cubic-bezier(.2,.7,.3,1)}
.pf-tarjeta.cargada img,.pf-tarjeta.cargada video{opacity:1}
@keyframes pfCarga{from{background-position:100% 0}to{background-position:-200% 0}}

/* brillo que sigue al mouse */
.pf-reflejo{position:absolute;inset:0;z-index:3;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(circle at var(--gx,50%) var(--gy,50%),rgba(255,255,255,.28),transparent 45%);mix-blend-mode:overlay}
.pf-tarjeta:hover .pf-reflejo{opacity:1}

/* capa de información */
.pf-info{position:absolute;inset:auto 0 0 0;z-index:2;padding:48px 18px 18px;text-align:left;
  background:linear-gradient(0deg,rgba(6,11,28,.94),rgba(6,11,28,.6) 55%,transparent);
  transform:translateY(38%);opacity:0;transition:transform .5s cubic-bezier(.2,.7,.3,1),opacity .4s}
.pf-tarjeta:hover .pf-info,.pf-tarjeta:focus-visible .pf-info{transform:none;opacity:1}
.pf-info .pf-cat{display:inline-block;font-size:.64rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--aqua);margin-bottom:6px}
.pf-info h3{font-size:.98rem;font-weight:600;line-height:1.25;color:#fff}
.pf-info p{font-size:.78rem;color:var(--muted);margin-top:3px}
.pf-ver{position:absolute;top:14px;right:14px;z-index:3;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.14);backdrop-filter:blur(10px);color:#fff;transform:scale(0) rotate(-90deg);transition:transform .45s cubic-bezier(.34,1.56,.64,1)}
.pf-tarjeta:hover .pf-ver{transform:scale(1) rotate(0)}
@media(hover:none){.pf-info{transform:none;opacity:1;padding:36px 12px 12px}.pf-info h3{font-size:.82rem}.pf-info p,.pf-info .pf-cat{display:none}.pf-ver{display:none}}

/* insignia de video */
.pf-play{position:absolute;top:50%;left:50%;z-index:2;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.16);backdrop-filter:blur(8px);color:#fff;transition:transform .4s,opacity .4s}
.pf-play::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:2px solid rgba(110,246,243,.55);animation:pfPulso 2s ease-out infinite}
@keyframes pfPulso{from{transform:scale(.85);opacity:1}to{transform:scale(1.45);opacity:0}}
.pf-tarjeta:hover .pf-play{transform:scale(.7);opacity:0}
.pf-etiqueta{position:absolute;top:14px;left:14px;z-index:3;padding:5px 11px;border-radius:999px;font-size:.66rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  background:linear-gradient(120deg,var(--menta),var(--aqua));color:#062B25}

/* ver más */
.pf-mas-caja{display:flex;justify-content:center;margin-top:34px}
/* un <button> trae fondo blanco del navegador: se fija el fondo oscuro de marca */
.pf-mas{position:relative;overflow:hidden;background:rgba(110,246,243,.06);color:var(--aqua);-webkit-appearance:none;appearance:none}
.pf-mas:hover{background:linear-gradient(120deg,rgba(58,123,213,.3),rgba(142,84,233,.3));color:#fff;border-color:rgba(110,246,243,.5)}
.pf-mas::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);background-size:250% 100%;animation:pfBrilloBoton 2.8s linear infinite}
@keyframes pfBrilloBoton{from{background-position:150% 0}to{background-position:-100% 0}}

/* cinta de marcas */
.pf-cinta{margin-top:clamp(60px,8vw,96px);border-block:1px solid var(--borde);padding:22px 0;overflow:hidden;
  -webkit-mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.pf-cinta-pista{display:flex;width:max-content;gap:46px;animation:pfCinta 34s linear infinite}
.pf-cinta:hover .pf-cinta-pista{animation-play-state:paused}
.pf-cinta span{display:flex;align-items:center;gap:46px;font-size:clamp(1.3rem,2.6vw,2rem);font-weight:800;letter-spacing:-.02em;white-space:nowrap;color:transparent;-webkit-text-stroke:1px rgba(110,246,243,.5);transition:color .3s}
.pf-cinta span:hover{color:var(--aqua)}
.pf-cinta span::after{content:"✦";font-size:.9rem;-webkit-text-stroke:0;color:var(--morado)}
@keyframes pfCinta{to{transform:translateX(-50%)}}

/* llamada final */
.pf-cta{margin-top:56px;text-align:center}
.pf-cta p{color:var(--muted);margin-bottom:22px;font-size:1.02rem}

/* ═══ VISOR (lightbox) ═══ */
.pf-visor{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;visibility:hidden;opacity:0;transition:opacity .4s,visibility 0s .4s}
.pf-visor.abierto{visibility:visible;opacity:1;transition:opacity .4s}
.pf-visor-fondo{position:absolute;inset:0;background:rgba(5,9,22,.9);backdrop-filter:blur(20px)}
.pf-visor-fondo::before{content:"";position:absolute;inset:0;background:var(--pf-fondo) center/cover;filter:blur(60px) saturate(1.4);opacity:.35;transition:background-image .5s}
.pf-visor-escena{position:relative;z-index:2;display:grid;grid-template-columns:auto 300px;gap:34px;align-items:center;max-width:min(1180px,94vw);max-height:90vh;padding:0 64px}
.pf-visor-media{position:relative;display:flex;justify-content:center;transform:scale(.9) translateY(20px);opacity:0;transition:transform .55s cubic-bezier(.2,.7,.3,1),opacity .45s}
.pf-visor.abierto .pf-visor-media{transform:none;opacity:1}
.pf-visor-media img,.pf-visor-media video{max-height:86vh;max-width:min(62vw,760px);border-radius:16px;box-shadow:0 40px 100px rgba(0,0,0,.7),0 0 0 1px rgba(110,246,243,.15);background:#000}
.pf-visor-media.claro img{filter:brightness(.9)}
.pf-visor-media.cambia{animation:pfCambio .5s cubic-bezier(.2,.7,.3,1)}
@keyframes pfCambio{from{opacity:0;transform:translateX(var(--dir,40px)) scale(.96)}to{opacity:1;transform:none}}
.pf-visor-texto{color:var(--texto);transform:translateX(20px);opacity:0;transition:transform .6s .1s cubic-bezier(.2,.7,.3,1),opacity .5s .1s}
.pf-visor.abierto .pf-visor-texto{transform:none;opacity:1}
.pf-visor-texto .pf-cat{font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--aqua)}
.pf-visor-texto h3{font-size:1.6rem;margin:10px 0 8px;line-height:1.15}
.pf-visor-texto p{font-size:.92rem;color:var(--muted)}
.pf-visor-texto .pf-cliente{margin-top:18px;display:flex;align-items:center;gap:10px;font-size:.85rem;color:#fff}
.pf-visor-texto .pf-cliente i{width:8px;height:8px;border-radius:50%;background:var(--menta);box-shadow:0 0 12px var(--menta)}
.pf-contador{margin-top:28px;font-size:.8rem;color:var(--muted);letter-spacing:.1em}
.pf-contador b{color:#fff;font-weight:600}
.pf-progreso{margin-top:10px;height:3px;border-radius:3px;background:rgba(255,255,255,.1);overflow:hidden}
.pf-progreso i{display:block;height:100%;background:linear-gradient(90deg,var(--aqua),var(--morado));transition:width .5s cubic-bezier(.2,.7,.3,1)}
.pf-visor-texto .boton{margin-top:26px;padding:12px 22px;font-size:.86rem}

.pf-btn{position:absolute;z-index:3;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);backdrop-filter:blur(10px);
  color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .3s cubic-bezier(.34,1.56,.64,1),background .3s}
.pf-btn:hover{background:rgba(110,246,243,.18);transform:scale(1.1)}
.pf-cerrar{top:22px;right:22px}
.pf-cerrar:hover{transform:scale(1.1) rotate(90deg)}
.pf-ant{left:18px;top:50%;margin-top:-26px}
.pf-sig{right:18px;top:50%;margin-top:-26px}

@media(max-width:900px){
  .pf-visor-escena{grid-template-columns:1fr;gap:16px;padding:0 16px;text-align:center}
  .pf-visor-media img,.pf-visor-media video{max-width:92vw;max-height:66vh}
  .pf-visor-texto h3{font-size:1.2rem}
  .pf-visor-texto .pf-cliente{justify-content:center}
  .pf-visor-texto .boton,.pf-visor-texto p.pf-desc{display:none}
  .pf-contador{margin-top:12px}
  .pf-ant,.pf-sig{top:auto;bottom:18px;margin-top:0;width:46px;height:46px}
  .pf-cerrar{top:14px;right:14px;width:46px;height:46px}
}
body.pf-bloqueo{overflow:hidden}

@media(prefers-reduced-motion:reduce){
  .pf-item{opacity:1;transform:none}
  .pf-titulo .pal-anim{opacity:1;transform:none;filter:none}
  .pf-cinta-pista,.pf-orbe{animation:none}
  .pf-luz{display:none}
}