.sitemap-page .skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  z-index: 1;
  padding: 0.75rem 1rem;
  background: var(--paper);
}

.sitemap-page .skip-link:focus {
  top: 1rem;
}

.sitemap-heading {
  padding: 3.5rem 0 2.5rem;
}

.sitemap-heading h1 {
  font-size: clamp(2.75rem, 7vw, 3.5rem);
  line-height: 1.1;
}

.sitemap-heading p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.sitemap-page .content-section {
  padding: 2.25rem 0;
}

.sitemap-page .content-section > h2 {
  font-size: 0.875rem;
}

.directory-links,
.directory-files {
  margin: 0;
  padding: 0;
  list-style: none;
}

.directory-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2rem;
}

.directory-links a,
.directory-files a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 1rem;
  line-height: 1.5;
  text-decoration: none;
}

.directory-links a {
  justify-content: space-between;
}

.directory-links a > span {
  color: var(--muted);
  font-size: 0.875rem;
}

.directory-links a:hover,
.directory-files a:hover {
  text-decoration: underline;
}

.directory-files {
  margin-top: 1.125rem;
}

.directory-file-title {
  min-width: 0;
  overflow-wrap: anywhere;
}

.directory-file-type {
  flex: 0 0 auto;
  margin-left: auto;
  color: var(--muted);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.875rem;
}

.sitemap-page .item-meta {
  margin-bottom: 0.625rem;
}

.sitemap-page .research-item h3 {
  font-size: 1.5rem;
  line-height: 1.35;
}

.sitemap-page .research-item + .research-item {
  margin-top: 2rem;
  padding-top: 0;
  border-top: 0;
}

@media (max-width: 720px) {
  .sitemap-heading {
    padding: 2.5rem 0 2rem;
  }

  .sitemap-page .content-section {
    gap: 1rem;
  }
}

@media (max-width: 380px) {
  .directory-links {
    grid-template-columns: 1fr;
  }
}