/* Hero slider — por defecto (sin JS) es una lista vertical apilada, real y
   navegable. Solo con slider.js (clase .slider-federbache--js) se activa el
   modo carrusel superpuesto. [RW | 2026-07-24] Motivo: Prompt 09.1. */

.slider-federbache {
  position: relative;
  background: var(--fb-tinta);
}

.slider-federbache__pista {
  display: block;
}

.slider-federbache__slide {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--esp-2);
}

.slider-federbache--js .slider-federbache__pista {
  /* inset:0 en vez de solo relative: sin esto, .pista queda con height:0
     (sus hijos son position:absolute y ya no aportan altura al flujo normal),
     y entonces inset:0 de cada slide se resuelve contra un bloque de 0px. */
  position: absolute;
  inset: 0;
}

.slider-federbache--js .slider-federbache__slide {
  position: absolute;
  inset: 0;
  margin-bottom: 0;
}

.slider-federbache--js {
  aspect-ratio: 16 / 9;
}

@media (max-width: 600px) {
  .slider-federbache--js { aspect-ratio: 4 / 5; }
}

.slider-federbache__fondo,
.slider-federbache__fondo picture,
.slider-federbache__fondo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.slider-federbache:not(.slider-federbache--js) .slider-federbache__fondo,
.slider-federbache:not(.slider-federbache--js) .slider-federbache__fondo picture,
.slider-federbache:not(.slider-federbache--js) .slider-federbache__fondo img {
  aspect-ratio: 16 / 9;
  height: auto;
}

/* Velo azul profundo al 70% detrás del texto, con chaflán/octágono en la esquina. */
.slider-federbache__velo {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--esp-2);
  padding: var(--esp-6);
  background: linear-gradient(to top, rgba(20, 33, 61, .85) 0%, rgba(20, 33, 61, .4) 55%, transparent 100%);
  color: var(--fb-blanco);
}

.slider-federbache__velo::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  background: var(--fb-guinda);
  clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
}

.slider-federbache__velo h2,
.slider-federbache__velo p {
  margin: 0;
  color: var(--fb-blanco);
}

.slider-federbache__icono-red {
  position: absolute;
  top: var(--esp-3);
  left: var(--esp-3);
  background: var(--fb-tinta);
  color: var(--fb-blanco);
  padding: 2px var(--esp-2);
  font-weight: 700;
  font-size: 12px;
  border-radius: 0 0 var(--chaflan) 0;
  z-index: 1;
}

/* Controles — ocultos hasta que slider.js active el modo carrusel. */
.slider-federbache__flecha,
.slider-federbache__puntos,
.slider-federbache__progreso {
  display: none;
}

.slider-federbache--js .slider-federbache__flecha {
  display: block;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: rgba(20, 33, 61, .5);
  color: var(--fb-blanco);
  border: none;
  font-size: 28px;
  width: 44px;
  height: 44px;
  cursor: pointer;
}
.slider-federbache--js .slider-federbache__flecha--prev { left: var(--esp-2); }
.slider-federbache--js .slider-federbache__flecha--next { right: var(--esp-2); }

.slider-federbache--js .slider-federbache__puntos {
  display: flex;
  gap: var(--esp-2);
  position: absolute;
  bottom: var(--esp-3);
  right: var(--esp-3);
  z-index: 2;
}
.slider-federbache--js .slider-federbache__puntos button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--fb-blanco);
  background: transparent;
  padding: 0;
  cursor: pointer;
}
.slider-federbache--js .slider-federbache__puntos button[aria-selected="true"] {
  background: var(--fb-blanco);
}

.slider-federbache--js .slider-federbache__progreso {
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, .3);
  z-index: 2;
}
.slider-federbache--js .slider-federbache__progreso-relleno {
  height: 100%;
  width: 0;
  background: var(--fb-guinda);
}

.sr-solo {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  .slider-federbache--js .slider-federbache__progreso-relleno {
    transition: none !important;
  }
}