/* =========================================================
   GBT Ad Banner
   ========================================================= */

#gbt-adbanner {
  position: relative;
  width: 100%;
  overflow: hidden;
  /* height is driven by the image aspect ratio (3840×474) */
  aspect-ratio: 3840 / 474;
  background: #000;
}

.gbt-banner-slide {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  transition: opacity 0.6s ease-in-out;
  pointer-events: none;
}

.gbt-banner-slide--active {
  opacity: 1;
  pointer-events: auto;
}

.gbt-banner-slide picture,
.gbt-banner-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}