.scroll-cards {
  counter-reset: card;
  position: relative;
  display: block;
}

.scroll-cards > .scroll-cards__item + .scroll-cards__item {
  margin: 40vh auto 0;
}

.scroll-cards h1 {
  position: sticky;
  top: 2rem;
  font-size: 2em;
  margin: 0 0 0.5em;
}

.scroll-cards__item {
	border-top: 1px solid #8393e5;
  --offset: 0.5em;
  color: #000;
  position: sticky;
  top: max(16vh, 10em);
  padding: 2em 1.5em;
  min-height: 19em;
  background: #fff;
  width: calc(100% - 5 * var(--offset));
}


/*
If you use SASS you can shorten this one here like this:

@for $i from 0 through 5 {
  &:nth-of-type(#{$i}) {
    transform: translate(calc((#{$i} - 1) * var(--offset)), calc((#{$i} - 1) * var(--offset)));
  }
}
*/
.scroll-cards__item:nth-of-type(0) {
  transform: translate(calc((0 - 1)), calc((0 - 1) * var(--offset)));
}
.scroll-cards__item:nth-of-type(1) {
  transform: translate(calc((1 - 1)), calc((1 - 1) * var(--offset)));
}
.scroll-cards__item:nth-of-type(2) {
  transform: translate(calc((2 - 1)), calc((2 - 1) * var(--offset)));
}
.scroll-cards__item:nth-of-type(3) {
  transform: translate(calc((3 - 1)), calc((3 - 1) * var(--offset)));
}
.scroll-cards__item:nth-of-type(4) {
  transform: translate(calc((4 - 1)), calc((4 - 1) * var(--offset)));
}
.scroll-cards__item:nth-of-type(5) {
  transform: translate(calc((5 - 1)), calc((5 - 1) * var(--offset)));
}

@media screen and (min-width: 37em) {
  h1 {
    font-size: 3em;
  }
  .scroll-cards__item {
    --offset: 1em;
    padding-left: 5em;
	margin: 0 auto;
  }
  /*
  .scroll-cards__item:before {
    counter-increment: card;
    content: "0" counter(card);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75em;
    height: 2.75em;
    background: #f09;
    color: #fff;
    text-align: center;
    border-radius: 50%;
    position: absolute;
    left: 1.25em;
    top: 1.25em;
    font-weight: bold;
  }
  */
}

@media screen and (min-width: 62em) {
  .scroll-cards h1 {
    font-size: 3em;
  }
  .scroll-cards__item {
    --offset: 1.25em;
    max-width: 80vw;
	
  }
}