/* Each square image is contained at its natural aspect ratio, with only the outer edge faded. */
.choice-card .card-art,
.choice-card[data-choice="combinado"] .combo-art {
  order: 2;
  display: flex;
  position: relative;
  flex: 0 0 39%;
  width: 39%;
  height: 100%;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: transparent !important;
  box-shadow: none !important;
}
.choice-card .card-art img,
.choice-card[data-choice="combinado"] .combo-art img:first-child:last-child {
  display: block;
  position: static !important;
  inset: auto !important;
  width: auto !important;
  height: auto !important;
  max-width: 100% !important;
  max-height: 100% !important;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  object-position: center;
  transform: none !important;
  background: transparent !important;
  border: 0;
  border-radius: 0 !important;
  opacity: 1;
  filter: none !important;
  mix-blend-mode: normal;
  -webkit-mask-image: linear-gradient(to right,transparent 0%,#000 14%,#000 86%,transparent 100%), linear-gradient(to bottom,transparent 0%,#000 14%,#000 86%,transparent 100%), radial-gradient(ellipse farthest-corner at center,#000 60%,transparent 100%);
  -webkit-mask-composite: source-in, source-in;
  mask-image: linear-gradient(to right,transparent 0%,#000 14%,#000 86%,transparent 100%), linear-gradient(to bottom,transparent 0%,#000 14%,#000 86%,transparent 100%), radial-gradient(ellipse farthest-corner at center,#000 60%,transparent 100%);
  mask-composite: intersect, intersect;
}
.choice-card[data-choice="combinado"] .card-overlay { width: 61%; }


/* En modo claro, un fundido circular integra los tres artes con aro sin crear esquinas oscuras. */
body.light .choice-card[data-choice="canal"] .card-art img,
body.light .choice-card[data-choice="combinado"] .combo-art img:first-child:last-child,
body.light .choice-card[data-choice="datos"] .card-art img {
  -webkit-mask-image: radial-gradient(circle closest-side, #000 0%, #000 80%, rgba(0,0,0,.86) 87%, rgba(0,0,0,.45) 94%, transparent 100%);
  -webkit-mask-composite: source-over;
  mask-image: radial-gradient(circle closest-side, #000 0%, #000 80%, rgba(0,0,0,.86) 87%, rgba(0,0,0,.45) 94%, transparent 100%);
  mask-composite: add;
}

/* El curso ocupa una composición más ancha: suavizamos sus esquinas sin recortar el título. */
body.light .choice-card[data-choice="curso"] .card-art img {
  -webkit-mask-image: linear-gradient(to right,transparent 0%,#000 12%,#000 88%,transparent 100%), linear-gradient(to bottom,transparent 0%,#000 12%,#000 88%,transparent 100%), radial-gradient(ellipse farthest-corner at center,#000 48%,rgba(0,0,0,.8) 68%,transparent 100%);
  -webkit-mask-composite: source-in, source-in;
  mask-image: linear-gradient(to right,transparent 0%,#000 12%,#000 88%,transparent 100%), linear-gradient(to bottom,transparent 0%,#000 12%,#000 88%,transparent 100%), radial-gradient(ellipse farthest-corner at center,#000 48%,rgba(0,0,0,.8) 68%,transparent 100%);
  mask-composite: intersect, intersect;
}

/* La imagen combinada no lleva iluminación ambiental externa. */
.choice-card[data-choice="combinado"] .combo-art::before { content:none !important; display:none !important; background:none !important; filter:none !important; box-shadow:none !important; }

/* El exterior de la imagen combinada queda transparente en ambos temas. */
body .choice-card[data-choice="combinado"] .combo-art img:first-child:last-child,
body.light .choice-card[data-choice="combinado"] .combo-art img:first-child:last-child {
  -webkit-mask-image: radial-gradient(circle closest-side, #000 0%, #000 87%, rgba(0,0,0,.8) 94%, transparent 100%);
  -webkit-mask-composite: source-over;
  mask-image: radial-gradient(circle closest-side, #000 0%, #000 87%, rgba(0,0,0,.8) 94%, transparent 100%);
  mask-composite: add;
}
/* El arte original ya es circular. Se suaviza solo su perímetro. */
body .choice-card[data-choice="curso"] .card-art img,
body.light .choice-card[data-choice="curso"] .card-art img {
  box-sizing: border-box;
  padding: 0;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  -webkit-mask-image: radial-gradient(circle closest-side, #000 0%, #000 87%, rgba(0,0,0,.8) 94%, transparent 100%);
  -webkit-mask-composite: source-over;
  mask-image: radial-gradient(circle closest-side, #000 0%, #000 87%, rgba(0,0,0,.8) 94%, transparent 100%);
  mask-composite: add;
}