:root {
    --hiw-counter-size: 2rem;
    --hiw-counter-font-size: 1rem;
    --hiw-line-stroke-width: 2px;
    --hiw-line-border-radius: 1em;
    --hiw-items-gap-x: var(--space-md); /* gap between counter and content */
    --hiw-items-gap-y: var(--space-2xl); /* gap between list items */
  }
  @media (min-width: 64rem) {
    :root {
      --hiw-counter-size: 3rem;
      --hiw-counter-font-size: 1.25rem;
    }
  }
  .hiw-list {
    counter-reset: hiw-list-items;
  }
  .hiw-list__item {
    position: relative;
    counter-increment: hiw-list-items;
  }
  .hiw-list__item:not(:last-child) {
    padding-bottom: calc(var(--hiw-items-gap-y) / 2);
    margin-bottom: calc(var(--hiw-items-gap-y) / 2);
  }
  .hiw-list__item::before,
  .hiw-list__item::after {
    /* dashed line */
    content: "";
    position: absolute;
    width: calc(
      50% - var(--hiw-counter-size) / 2 + var(--hiw-line-stroke-width) / 2
    );
  }
  .hiw-list__item::before {
    top: calc(var(--hiw-counter-size) + var(--hiw-line-stroke-width));
    height: calc(100% - var(--hiw-counter-size) - var(--hiw-line-stroke-width));
    border-bottom: var(--hiw-line-stroke-width) dashed
      hsla(
        var(--color-primary-h),
        var(--color-primary-s),
        var(--color-primary-l),
        0.25
      );
  }
  .hiw-list__item::after {
    top: calc(100% - var(--hiw-line-stroke-width));
    height: calc(var(--hiw-items-gap-y) / 2);
    border-top: var(--hiw-line-stroke-width) dashed
      hsla(
        var(--color-primary-h),
        var(--color-primary-s),
        var(--color-primary-l),
        0.25
      );
  }
  .hiw-list__item:nth-child(2n + 1) {
    padding-right: calc(var(--hiw-counter-size) / 2);
  }
  .hiw-list__item:nth-child(2n + 1)::before {
    left: calc(var(--hiw-counter-size) / 2 - var(--hiw-line-stroke-width) / 2);
    border-left: var(--hiw-line-stroke-width) dashed
      hsla(
        var(--color-primary-h),
        var(--color-primary-s),
        var(--color-primary-l),
        0.25
      );
    border-bottom-left-radius: var(--hiw-line-border-radius);
  }
  .hiw-list__item:nth-child(2n + 1)::after {
    left: 50%;
    border-top-right-radius: var(--hiw-line-border-radius);
    border-right: var(--hiw-line-stroke-width) dashed
      hsla(
        var(--color-primary-h),
        var(--color-primary-s),
        var(--color-primary-l),
        0.25
      );
  }
  .hiw-list__item:nth-child(2n) {
    padding-left: calc(var(--hiw-counter-size) / 2);
  }
  .hiw-list__item:nth-child(2n) .hiw-list__item-inner {
    flex-direction: row-reverse;
  }
  .hiw-list__item:nth-child(2n)::before {
    border-right: var(--hiw-line-stroke-width) dashed
      hsla(
        var(--color-primary-h),
        var(--color-primary-s),
        var(--color-primary-l),
        0.25
      );
    right: calc(var(--hiw-counter-size) / 2 - var(--hiw-line-stroke-width) / 2);
    border-bottom-right-radius: var(--hiw-line-border-radius);
  }
  .hiw-list__item:nth-child(2n)::after {
    right: 50%;
    border-top-left-radius: var(--hiw-line-border-radius);
    border-left: var(--hiw-line-stroke-width) dashed
      hsla(
        var(--color-primary-h),
        var(--color-primary-s),
        var(--color-primary-l),
        0.25
      );
  }
  .hiw-list__item:last-child::before,
  .hiw-list__item:last-child::after {
    display: none;
  }
  .hiw-list__item-inner {
    display: flex;
    gap: var(--hiw-items-gap-x);
  }
  .hiw-list__counter {
    width: var(--hiw-counter-size);
    height: var(--hiw-counter-size);
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    border: var(--hiw-line-stroke-width) solid
      hsla(
        var(--color-primary-h),
        var(--color-primary-s),
        var(--color-primary-l),
        0.25
      );
    color: var(--color-primary);
    font-size: var(--hiw-counter-font-size);
  }
  .hiw-list__counter::before {
    content: counter(hiw-list-items);
  }
  @media (min-width: 64rem) {
    .hiw-list__item:nth-child(2n) .hiw-list__content {
      flex-direction: row-reverse;
    }
  }