.bda-carousel {
  position: relative;
  width: 100%;
  max-width: 900px;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.bda-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  background-size: cover;
  background-position: center;
}

.bda-slide.is-active {
  opacity: 1;
}

.bda-label {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(0,0,0,0.5);
  color: #fff;
  padding: 0.35rem 0.65rem;
  font-size: 0.9rem;
  text-transform: capitalize;
  letter-spacing: 0.03em;
  border-radius: 0.4rem;
  pointer-events: none;
}

/* black fade layer for 3 -> 1 */
.bda-blackout {
  position: absolute;
  inset: 0;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease-in-out;
  z-index: 999;
}
.bda-blackout.is-on {
  opacity: 1;
}