/* -------------------------------- 

File#: _1_stacking-cards
Title: Stacking Cards
Descr: Cards stack effect on vertical scrolling
Usage: codyhouse.co/license

-------------------------------- */
.stack-cards {
  --stack-cards-gap: var(--space-sm);
  --stack-cards-item-ratio: 2/1;
}

.stack-cards__item {
  position: relative;
  position: sticky;
  top: var(--space-md);
  height: 0;
  padding-bottom: calc(100% / (var(--stack-cards-item-ratio)));
  transform-origin: center top;
  background-size: cover;
  background-position: center center;
  overflow: hidden;
}
.stack-cards__item > * {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  background-color: rgba(0,0,0,.4);
  color: var(--color-bg-light);
  font-size: 1em;
  /* font-weight: bold; */
  text-shadow: 1px 2px 10px var(--color-black);
  padding: 30px;
  text-align: center;
}