/* ============================================================
   BLOG · 05 COLOFÓN — cuatro renglones tipográficos; el activo se abre como franja panorámica de video.
   Base (sin JS / ?reduce): los 4 renglones abiertos y apilados con póster.
   .is-acc (JS, ≥900px): acordeón que rota solo · .is-car (JS, <900px): carrusel rotativo con la siguiente asomando.
   ============================================================ */
#colofon{
  --cf-hc:max(88px,12vh); --cf-ho:max(380px,46vh);
  --cf-col:clamp(74px,8vw,140px);           /* columna del romano */
  --cf-pad:clamp(10px,1.4vw,24px);
  position:relative;overflow:hidden;isolation:isolate;
  background:linear-gradient(180deg,var(--ink) 0%,#070d15 50%,var(--ink) 100%);
}
#colofon .cf__sprite{position:absolute;width:0;height:0;overflow:hidden}

/* Papel con oro, muy tenue: textura de fondo */
#colofon .cf__paper{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.12;
  -webkit-mask:linear-gradient(180deg,transparent 0%,#000 22%,#000 70%,transparent 100%);mask:linear-gradient(180deg,transparent 0%,#000 22%,#000 70%,transparent 100%)}
#colofon .cf__paper img{width:100%;height:100%;object-fit:cover;object-position:50% 60%;filter:saturate(.85) brightness(.75)}

/* ---------- Cabecera ---------- */
#colofon .cf__head{display:flex;align-items:flex-end;justify-content:space-between;gap:clamp(24px,4vw,64px);margin-bottom:clamp(28px,3.4vw,52px)}
#colofon .cf__intro{max-width:min(1000px,100%)}
#colofon .cf__title{margin-top:18px}
#colofon .cf__lead{margin-top:20px;max-width:52ch}

#colofon .cf__ctrl{display:none;align-items:center;gap:10px;flex:none}
#colofon.is-js:not(.is-still) .cf__ctrl{display:flex}
#colofon .cf__count{margin:0 8px 0 0;display:flex;align-items:baseline;gap:8px;font-size:1rem;color:var(--cream-2)}
#colofon .cf__count b{font-size:1.9rem;color:var(--gold-2);font-weight:800;line-height:1}
#colofon .cf__count i{font-style:normal;color:var(--mute)}
#colofon .cf__prog{position:relative;width:64px;height:1px;background:var(--line-2);margin-right:8px;overflow:hidden}
#colofon .cf__prog i{position:absolute;inset:0;background:var(--gold-grad);transform:scaleX(0);transform-origin:left}
#colofon .cf__pause,#colofon .cf__arrow{width:48px;height:48px;flex:none;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line-2);background:rgba(5,9,15,.5);color:var(--cream);cursor:pointer;transition:border-color .4s,color .4s,background-color .4s}
#colofon .cf__pause svg,#colofon .cf__arrow svg{width:20px;height:20px}
#colofon .cf__pause:hover,#colofon .cf__arrow:hover{border-color:var(--gold-2);color:var(--gold-2)}
#colofon .cf__ic-b{display:none}
#colofon.is-paused .cf__ic-a{display:none}
#colofon.is-paused .cf__ic-b{display:inline}
#colofon .cf__pause-b{display:none}
#colofon.is-paused .cf__pause-a{display:none}
#colofon.is-paused .cf__pause-b{display:inline}
#colofon.is-paused .cf__pause{border-color:var(--gold);color:var(--gold-2)}

/* ---------- Renglones ---------- */
#colofon .cf__view{padding-inline:var(--gut)}
@media (min-width:1366px){#colofon .cf__view{padding-right:max(var(--gut),86px)}}
#colofon .cf__list{list-style:none;margin:0;padding:0;border-top:1px solid var(--hair)}
#colofon .cf__row{position:relative;overflow:visible;min-height:var(--cf-ho);--cf-p:1;--cf-d:0}
#colofon .cf__row--ghost{display:none}
#colofon .cf__h{margin:0;position:relative;z-index:3;font:inherit}
#colofon .cf__btn{width:100%;min-height:var(--cf-hc);display:grid;grid-template-columns:var(--cf-col) minmax(0,1fr) auto;align-items:center;gap:0 var(--cf-pad);
  padding:0 var(--cf-pad);border:0;background:none;color:inherit;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent}
#colofon .cf__btn:focus-visible{outline:2px solid var(--gold-2);outline-offset:-4px;border-radius:12px}
#colofon .cf__rom{display:inline-flex;align-items:center;gap:12px;color:var(--gold-2);font-size:1rem;letter-spacing:.06em}
#colofon .cf__glyph{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round;opacity:.85}
#colofon .cf__name{display:block;overflow:hidden;padding:.06em 0 .1em;min-width:0}
/* nombre del tomo: contorno crema tenue; al abrirse sube por dentro el oro (relleno que asciende) */
#colofon .cf__nm{display:inline-block;font:500 min(7vw,9.4vh)/1 var(--serif);letter-spacing:-.03em;white-space:nowrap;
  color:transparent;-webkit-text-stroke:1.2px rgba(243,234,219,.62);
  background:var(--gold-grad);background-repeat:no-repeat;background-position:0 100%;background-size:100% 100%;
  -webkit-background-clip:text;background-clip:text;
  transition:background-size 1.3s var(--ease),-webkit-text-stroke-color .6s,color .6s}
#colofon .cf__arr{width:clamp(48px,4.2vw,64px);height:clamp(48px,4.2vw,64px);display:grid;place-items:center;border-radius:50%;border:1px solid var(--line-2);color:var(--cream-2);
  transition:transform .9s var(--ease),background-color .5s,color .5s,border-color .5s,opacity .5s}
#colofon .cf__arr svg{width:42%;height:42%}

/* Panel: franja panorámica + CTA */
#colofon .cf__panel{position:absolute;inset:0;z-index:1;overflow:hidden;border-radius:inherit}
#colofon .cf__media{position:absolute;inset:0;background:var(--ink-2)}
#colofon .cf__media img,#colofon .cf__media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--cf-op,50% 50%)}
#colofon .cf__media video{opacity:0;transition:opacity .8s var(--ease)}
#colofon .cf__media video.is-on{opacity:1}
#colofon .cf__row[data-cat=pagos]{--cf-op:50% 62%}
#colofon .cf__row[data-cat=tokeniza]{--cf-op:50% 38%}
#colofon .cf__row[data-cat=tarjeta]{--cf-op:62% 70%}
#colofon .cf__row[data-cat=patrimonio]{--cf-op:50% 46%}
#colofon .cf__shade{position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,9,15,.96) 0%,rgba(5,9,15,.88) 30%,rgba(5,9,15,.6) 46%,rgba(5,9,15,.14) 72%,rgba(5,9,15,.04) 100%),
             linear-gradient(180deg,rgba(5,9,15,.7) 0%,rgba(5,9,15,0) 30%,rgba(5,9,15,0) 60%,rgba(5,9,15,.75) 100%)}
#colofon .cf__body{position:absolute;z-index:2;left:calc(var(--cf-pad) * 2 + var(--cf-col));bottom:clamp(26px,5vh,56px);max-width:min(46ch,52%)}
#colofon .cf__kick{margin:0 0 12px;font:600 .74rem/1.3 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-2)}
#colofon .cf__kick .cifra{letter-spacing:.14em}
#colofon .cf__t{margin:0;font:500 clamp(1.6rem,2.5vw,2.6rem)/1.08 var(--serif);letter-spacing:-.02em;color:var(--cream);text-wrap:balance}
#colofon .cf__x{margin:12px 0 0;color:var(--cream-2);font-size:clamp(1rem,1.1vw,1.1rem);line-height:1.55}
#colofon .cf__go{margin-top:clamp(18px,2.6vh,28px)}
#colofon .cf__play{position:absolute;z-index:2;right:calc(var(--cf-pad) + 6px);bottom:clamp(26px,5vh,56px);width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--gold);background:rgba(5,9,15,.6);color:var(--gold-2);cursor:pointer}
#colofon .cf__play svg{width:22px;height:22px;margin-left:3px}
#colofon .cf__play[hidden]{display:none}

/* Filete de oro: hilo de 1px; el del activo se dibuja como oro líquido y deja una gota en la punta */
#colofon .cf__rule{position:absolute;left:0;right:0;bottom:0;height:1px;z-index:4;background:var(--hair);pointer-events:none}
#colofon .cf__liq{position:absolute;left:0;right:0;top:-1px;height:3px;border-radius:3px;background:var(--gold-grad);background-size:220% 100%;
  transform-origin:left;transform:scaleX(var(--cf-p));box-shadow:0 0 14px rgba(216,166,70,.55),0 0 2px rgba(244,213,138,.9);
  animation:cf-flow 6s ease-in-out infinite}
#colofon .cf__drop{position:absolute;top:1px;left:calc(var(--cf-p) * 100% - 14px);width:13px;height:13px;border-radius:0 50% 50% 50%;transform:rotate(45deg) scale(var(--cf-d,1));transform-origin:50% 0;
  background:radial-gradient(circle at 62% 62%,#FFF1C4 0 12%,#F4D58A 24%,#D8A646 58%,#8A6320 100%);box-shadow:0 4px 10px rgba(216,166,70,.45);opacity:var(--cf-d,1)}
@keyframes cf-flow{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

/* ---------- Estado base (sin JS / reducido): todos abiertos ---------- */
#colofon:not(.is-acc) .cf__arr{display:none}

/* ---------- Escritorio con JS: acordeón ---------- */
#colofon.is-acc .cf__row{min-height:0;height:var(--cf-hc);--cf-p:0;--cf-d:0}
#colofon.is-acc .cf__panel{visibility:hidden;opacity:0;transition:opacity .7s var(--ease),visibility 0s .7s}
#colofon.is-acc .cf__row.is-open .cf__panel{visibility:visible;opacity:1;transition:opacity .9s var(--ease) .12s,visibility 0s}
#colofon.is-acc .cf__body>*{opacity:0;transform:translateY(22px);transition:opacity .5s var(--ease),transform .7s var(--ease)}
#colofon.is-acc .cf__row.is-open .cf__body>*{opacity:1;transform:none;transition:opacity 1s var(--ease),transform 1.2s var(--ease)}
#colofon.is-acc .cf__row.is-open .cf__body>:nth-child(1){transition-delay:.32s}
#colofon.is-acc .cf__row.is-open .cf__body>:nth-child(2){transition-delay:.4s}
#colofon.is-acc .cf__row.is-open .cf__body>:nth-child(3){transition-delay:.48s}
#colofon.is-acc .cf__row.is-open .cf__body>:nth-child(4){transition-delay:.56s}
#colofon.is-acc .cf__media img,#colofon.is-acc .cf__media video{transform:scale(1.08);transition:transform 2.4s var(--ease)}
#colofon.is-acc .cf__row.is-open .cf__media img,#colofon.is-acc .cf__row.is-open .cf__media video{transform:scale(1)}
#colofon.is-acc .cf__row:not(.is-open) .cf__nm{background-size:100% 0%;color:rgba(243,234,219,.07)}
#colofon.is-acc .cf__row.is-open .cf__nm{-webkit-text-stroke-color:rgba(244,213,138,0)}
#colofon.is-acc .cf__row:not(.is-open) .cf__btn:hover .cf__nm,
#colofon.is-acc .cf__row:not(.is-open) .cf__btn:focus-visible .cf__nm{-webkit-text-stroke-color:rgba(244,213,138,.95)}
#colofon.is-acc .cf__row:not(.is-open) .cf__btn:hover .cf__arr{border-color:var(--gold-2);color:var(--gold-2)}
#colofon.is-acc .cf__row.is-open .cf__arr{opacity:.45;transform:rotate(45deg)}
#colofon.is-acc .cf__row.is-open .cf__btn{cursor:default}
#colofon.is-acc .cf__row:not(.is-open) .cf__rom{color:var(--cream-2)}

/* ---------- Celular ---------- */
@media (max-width:899px){
  #colofon .cf__paper{opacity:.3}
  #colofon .cf__head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:20px}
  #colofon .cf__lead{margin-top:12px}
  #colofon .cf__ctrl{width:100%;gap:8px}
  #colofon .cf__count{margin-right:auto}
  #colofon .cf__prog{display:none}
  #colofon .cf__view{padding-inline:16px}
  #colofon .cf__list{border-top:0;display:grid;gap:14px}
  #colofon{padding-bottom:clamp(40px,7vw,56px)}
  #colofon .cf__row,#colofon .cf__view{scroll-margin-top:88px}
  /* Tarjeta apilada (regla del dueño: en celular el video se ve completo y ningún panel lo tapa):
     arriba el video vertical sin texto encima; abajo, panel de tinta con romano, nombre, titular, texto y botón. */
  #colofon .cf__row{overflow:hidden;min-height:0;height:auto;display:flex;flex-direction:column;
    border:1px solid var(--hair);border-radius:22px;background:var(--ink);--cf-p:0}
  #colofon .cf__panel{display:contents}
  #colofon .cf__media{position:relative;inset:auto;order:1;flex:none;width:100%;aspect-ratio:4/5;overflow:hidden}
  #colofon .cf__h{order:2}
  #colofon .cf__body{position:static;order:3;flex:1 1 auto;display:flex;flex-direction:column;max-width:none;padding:6px 18px 18px}
  #colofon .cf__btn{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;min-height:0;padding:16px 18px 0;cursor:default}
  #colofon .cf__rom{font-size:.86rem}
  #colofon .cf__name{flex:1 0 100%;order:3}
  #colofon .cf__nm{font-size:clamp(1.9rem,9vw,2.5rem);white-space:normal;-webkit-text-stroke:0;color:transparent}
  #colofon .cf__shade{background:linear-gradient(180deg,rgba(5,9,15,0) 78%,rgba(5,9,15,.55) 100%)}
  #colofon .cf__kick{font-size:.75rem;margin-bottom:8px}
  #colofon .cf__t{font-size:clamp(1.3rem,6vw,1.65rem)}
  #colofon .cf__x{font-size:.98rem;margin-top:8px}
  #colofon .cf__go{display:flex;width:100%;margin-top:auto;min-height:52px;white-space:normal;text-align:center}
  #colofon .cf__x+.cf__go{margin-top:16px}
  #colofon .cf__body>.cf__x{margin-bottom:auto}
  #colofon .cf__play{top:14px;right:14px;bottom:auto;width:48px;height:48px}
  #colofon .cf__rule{display:none}
  #colofon .cf__row[data-cat=pagos]{--cf-op:40% 50%}
  #colofon .cf__row[data-cat=tokeniza]{--cf-op:50% 30%}
  #colofon .cf__row[data-cat=tarjeta]{--cf-op:50% 55%}
  #colofon .cf__row[data-cat=patrimonio]{--cf-op:58% 50%}

  /* Carrusel rotativo (JS) */
  #colofon.is-car .cf__view{overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-padding-inline:16px;overscroll-behavior-x:contain;
    touch-action:pan-x pan-y;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  #colofon.is-car .cf__view::-webkit-scrollbar{display:none}
  #colofon.is-car .cf__view.is-free{scroll-snap-type:none}
  #colofon.is-car .cf__list{display:flex;gap:10px;width:max-content;padding-right:16px}
  #colofon.is-car .cf__row--ghost{display:flex}
  #colofon.is-car .cf__row{flex:0 0 80vw;width:80vw;max-width:440px;scroll-snap-align:start;scroll-snap-stop:always;transition:border-color .5s}
  #colofon.is-car .cf__row.is-act{border-color:rgba(216,166,70,.75)}
  #colofon.is-car .cf__row:not(.is-act) .cf__media img{filter:brightness(.8)}
}
@media (max-width:899px) and (max-height:700px){
  #colofon .cf__row{min-height:360px}
  #colofon .cf__x{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
}

/* ---------- Pie: puntos + pista ---------- */
#colofon .cf__foot{display:none;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 16px;margin-top:12px}
#colofon .cf__foot .cf__ctrl{flex:1 0 100%}
#colofon.is-car .cf__foot{display:flex}
#colofon .cf__dots{list-style:none;margin:0;padding:0;display:flex}
#colofon .cf__dot{width:44px;height:44px;display:grid;place-items:center;border:0;background:none;cursor:pointer;padding:0}
#colofon .cf__dot i{display:block;width:8px;height:8px;border-radius:8px;background:var(--line-2);transition:width .5s var(--ease),background-color .4s}
#colofon .cf__dot.is-on i{width:26px;background:var(--gold)}
#colofon .cf__hint{display:inline-flex;align-items:center;gap:10px;margin:0;font:600 .75rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-2);transition:opacity .8s var(--ease)}
#colofon .cf__hint svg{width:30px;height:12px}
#colofon.is-hinted .cf__hint{opacity:0}

/* ---------- Gama baja: sin sombras costosas ---------- */
#colofon.is-low .cf__liq{animation:none;box-shadow:none}
#colofon.is-low .cf__paper{display:none}

/* ---------- Movimiento reducido ---------- */
html.reduce #colofon .cf__liq{animation:none}
html.reduce #colofon .cf__nm{transition:none}
@media (prefers-reduced-motion:reduce){#colofon .cf__liq{animation:none}}