html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
}

body main {
  max-width: unset;
}

vellum-doc {
  --index-width: 250px;
}

vellum-doc::part(index) {
  background-color: var(--bg);
  padding-right: 1em;
  padding-left: 1em;
  border-right: 4px solid var(--fg);
}

@media (prefers-color-scheme: dark) {
  vellum-doc::part(index) {
    border-right: 4px solid var(--fg);
  }
}

vellum-doc::part(index-h1) {
  font-size: 1.4em;
  text-transform: uppercase;
}

vellum-doc::part(index-h2) {
  font-size: 1.3em;
}

vellum-doc::part(index-h3) {
  font-size: 1em;
}

vellum-doc::part(index-h4) {
  font-size: 0.8em;
}

#document {
  padding-left: 5em;
  padding-right: 5em;
}

@media (max-width: 850px) {
  #document {
    padding-left: 2em;
    padding-right: 1em;
  }
}

#document > section {
  width: 100%;
}

#document > section:has(h4:first-child) {
  width: 47%;
}

@media (max-width: 750px) {
  #document > section:has(h4:first-child) {
    width: 100%;
  }
}

#document h1,
#document h2,
#document h3,
#document h4 {
  margin-top: 2em;
  margin-bottom: 1em;
}

#document footer {
  border-top: 1px solid;
}