article section > * {
  margin-block-start: var(--space-m);
}

article h1 {
  line-height: var(--space-xl);
  margin-block-start: var(--space-s);
}

article :is(h2, h3) {
  margin-block-start: var(--space-xl);
  scroll-margin-top: var(--space-l);
}

article h3 {
  scroll-margin-top: var(--space-m);
}

article :is(h4, h5, h6) {
  margin-block-start: var(--space-l);
}

/* Tighten headers directly following h1, h2 */

article :is(h1, h2) + section > :is(h2, h3, h4, h5, h6) {
  margin-block-start: var(--space-m);
}

/* Tighten content following a subheader */

article h3 + * {
  margin-block-start: var(--space-m);
}

article h4 + * {
  margin-block-start: var(--space-s);
}

article :is(h5, h6) + * {
  margin-block-start: var(--space-xs);
}

article li:not(:first-child) {
  margin-block-start: var(--space-3xs);
}

article :is(ul, ol) {
  margin-block-start: var(--space-m);
}

article img {
  border-radius: var(--border-radius);
  max-width: 100%;
  margin-inline: auto;
  margin-block: var(--space-m);
}

article tbody tr:nth-child(odd) {
  background-color: var(--theme-surface2);
  border-radius: var(--border-radius);
}

article td,
article th {
  min-width: min-content;
  max-width: 60ch;
}

article ::target > h2 {
  margin-block-start: var(--space-2xl);
}

article .video {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}

article .video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}