.sitemap-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: 48px;
  align-items: end;
  min-height: 520px;
  padding: 7rem max(24px, calc((100vw - 1160px) / 2)) 4rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 72% 26%, rgba(98, 214, 196, 0.14), transparent 34%),
    radial-gradient(circle at 20% 20%, rgba(215, 182, 109, 0.1), transparent 30%),
    linear-gradient(180deg, rgba(232, 225, 209, 0.035), transparent 46%);
}

.sitemap-hero::before,
.sitemap-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sitemap-hero::before {
  background:
    linear-gradient(rgba(232, 225, 209, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 225, 209, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, black, transparent 78%);
}

.sitemap-hero::after {
  background-image:
    radial-gradient(circle, rgba(232, 225, 209, 0.65) 0 1px, transparent 1.6px),
    radial-gradient(circle, rgba(98, 214, 196, 0.48) 0 1px, transparent 1.6px),
    radial-gradient(circle, rgba(215, 182, 109, 0.45) 0 1px, transparent 1.6px);
  background-position: 22px 34px, 130px 96px, 270px 40px;
  background-size: 220px 180px, 340px 260px, 460px 320px;
  opacity: 0.34;
  animation: sitemapStars 9s ease-in-out infinite alternate;
}

.sitemap-hero > * {
  position: relative;
  z-index: 1;
}

.sitemap-hero h1 {
  max-width: 10ch;
  margin: 0;
  color: #fffaf0;
  font-size: clamp(3.5rem, 7vw, 7.2rem);
  line-height: 0.9;
}

.sitemap-hero p:not(.eyebrow) {
  max-width: 70ch;
  margin: 1.4rem 0 0;
  color: var(--paper-dim);
  font-size: 1.05rem;
}

.sitemap-readout {
  display: grid;
  gap: 0.7rem;
  border: 1px solid var(--line);
  background: rgba(6, 8, 10, 0.72);
  padding: 1rem;
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.4);
}

.sitemap-readout span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 44px;
  border-bottom: 1px solid rgba(232, 225, 209, 0.12);
  color: var(--paper);
  font: 750 0.76rem/1.2 var(--mono);
  text-transform: uppercase;
}

.sitemap-readout span:last-child {
  border-bottom: 0;
}

.sitemap-readout span::after {
  content: "";
  width: 9px;
  height: 9px;
  border: 1px solid var(--teal);
  background: rgba(98, 214, 196, 0.2);
  box-shadow: 0 0 18px rgba(98, 214, 196, 0.42);
}

.sitemap-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--line);
}

.sitemap-section__head,
.surface-tree,
.support-tree,
.research-tree,
.essay-tree {
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
}

.sitemap-section__head {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(260px, 0.4fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 2rem;
}

.sitemap-section__head h2 {
  max-width: 13ch;
  margin: 0;
  color: #fffaf0;
  font-size: clamp(2.2rem, 4.8vw, 4.4rem);
  line-height: 0.96;
}

.sitemap-section__head p:not(.eyebrow) {
  max-width: 58ch;
  margin: 0;
  color: var(--paper-dim);
}

.surface-tree,
.support-tree,
.research-tree,
.essay-tree {
  display: grid;
  gap: 1rem;
}

.surface-tree {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.research-tree,
.support-tree,
.essay-tree {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.surface-tree a,
.tree-group {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(232, 225, 209, 0.045), transparent 42%),
    rgba(8, 10, 12, 0.62);
}

.surface-tree a {
  display: grid;
  gap: 0.35rem;
  min-height: 132px;
  align-content: end;
  padding: 1rem;
  text-decoration: none;
}

.surface-tree a:hover,
.surface-tree a:focus-visible {
  border-color: rgba(98, 214, 196, 0.45);
  outline: none;
}

.surface-tree span,
.tree-group li span {
  color: var(--amber);
  font: 800 0.7rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.surface-tree strong {
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 520;
  line-height: 1.18;
}

.tree-group {
  position: relative;
  overflow: hidden;
}

.tree-group::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(98, 214, 196, 0.09), transparent 38%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.tree-group:hover::before {
  opacity: 1;
}

.tree-group h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  border-bottom: 1px solid rgba(232, 225, 209, 0.12);
  color: var(--paper);
  padding: 1rem;
  font: 800 0.77rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tree-group ol {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tree-group li {
  border-bottom: 1px solid rgba(232, 225, 209, 0.1);
}

.tree-group li:last-child {
  border-bottom: 0;
}

.tree-group li a,
.tree-group li.inventory-only,
.tree-group--planned li {
  display: grid;
  gap: 0.42rem;
  padding: 0.95rem 1rem;
  color: inherit;
  text-decoration: none;
}

.tree-group li a:hover,
.tree-group li a:focus-visible {
  background: rgba(232, 225, 209, 0.04);
  outline: none;
}

.tree-group li strong {
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 520;
  line-height: 1.2;
}

.tree-group li em {
  color: var(--paper-soft);
  font: 650 0.78rem/1.35 var(--mono);
  font-style: normal;
}

.tree-group li p {
  margin: -0.35rem 1rem 0.9rem;
  color: var(--paper-dim);
  font-size: 0.9rem;
}

.tree-group li p a {
  display: inline;
  padding: 0;
  color: var(--teal);
  text-decoration: none;
}

.tree-group li p a:hover,
.tree-group li p a:focus-visible {
  background: transparent;
  color: var(--amber);
}

.tree-group--planned {
  border-style: dashed;
}

.tree-group--planned li,
.tree-group li.inventory-only {
  color: var(--paper-soft);
}

.site-footer {
  margin-top: 0;
}

@keyframes sitemapStars {
  from {
    opacity: 0.22;
    transform: translate3d(0, 0, 0);
  }

  to {
    opacity: 0.46;
    transform: translate3d(-16px, 10px, 0);
  }
}

@media (max-width: 900px) {
  .sitemap-hero,
  .sitemap-section__head,
  .surface-tree,
  .support-tree,
  .research-tree,
  .essay-tree {
    grid-template-columns: 1fr;
  }

  .sitemap-hero {
    min-height: auto;
    padding-top: 5rem;
  }
}

@media (max-width: 620px) {
  .sitemap-hero {
    padding-inline: 20px;
  }

  .sitemap-section__head,
  .surface-tree,
  .support-tree,
  .research-tree,
  .essay-tree {
    width: min(100% - 32px, 1160px);
  }

  .sitemap-hero h1 {
    font-size: clamp(3rem, 18vw, 4.2rem);
  }
}