.site-header--solid {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--guld-theme) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header--solid .site-header__brand img {
  filter: brightness(0) invert(1);
}

.site-header--solid .site-header__nav a {
  color: rgba(255, 255, 255, 0.88);
}

.doc-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  max-width: 72rem;
  margin: 0 auto;
}

@media (min-width: 960px) {
  .doc-layout {
    grid-template-columns: 14rem minmax(0, 1fr);
    align-items: start;
  }
}

.doc-aside {
  position: sticky;
  top: 4.5rem;
}

.doc-aside[hidden] {
  display: none;
}

.doc-toc__title {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--guld-ink);
  opacity: 0.65;
}

.doc-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}

.doc-toc__item a {
  text-decoration: none;
  font-size: 0.88rem;
  color: var(--guld-ink);
  opacity: 0.8;
}

.doc-toc__item a:hover {
  color: var(--guld-primary);
  opacity: 1;
}

.doc-toc__item--sub {
  padding-left: 0.75rem;
}

.doc-toc__item--sub a {
  font-size: 0.82rem;
}

.doc-main {
  min-width: 0;
}

.doc-status {
  color: var(--guld-ink);
  opacity: 0.7;
}

.doc-prose {
  max-width: 46rem;
}

.doc-prose > *:first-child {
  margin-top: 0;
}

.doc-prose h1 {
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.doc-prose h2 {
  margin-top: 2.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid color-mix(in srgb, var(--guld-ink) 12%, transparent);
}

.doc-prose h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.15rem;
}

.doc-prose p,
.doc-prose li {
  max-width: none;
}

.doc-prose ul,
.doc-prose ol {
  padding-left: 1.25rem;
}

.doc-prose li + li {
  margin-top: 0.35rem;
}

.doc-prose hr {
  border: 0;
  border-top: 1px solid color-mix(in srgb, var(--guld-ink) 14%, transparent);
  margin: 2rem 0;
}

.doc-prose blockquote {
  margin: 1.25rem 0;
  padding: 0.25rem 0 0.25rem 1rem;
  border-left: 3px solid var(--guld-primary);
  color: color-mix(in srgb, var(--guld-ink) 88%, transparent);
}

.doc-prose code {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 0.88em;
  background: var(--guld-mist);
  padding: 0.1em 0.35em;
  border-radius: 0.2rem;
}

.doc-prose .doc-pre {
  overflow-x: auto;
  padding: 1rem 1.1rem;
  background: var(--guld-theme);
  color: rgba(255, 255, 255, 0.92);
  border-radius: 0.35rem;
  font-size: 0.82rem;
  line-height: 1.45;
}

.doc-prose .doc-pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

.doc-table-wrap {
  overflow-x: auto;
  margin: 1.25rem 0;
  border: 1px solid color-mix(in srgb, var(--guld-ink) 12%, transparent);
  border-radius: 0.35rem;
}

.doc-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.doc-prose th,
.doc-prose td {
  padding: 0.55rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid color-mix(in srgb, var(--guld-ink) 10%, transparent);
  vertical-align: top;
}

.doc-prose th {
  background: var(--guld-mist);
  font-weight: 600;
  color: var(--guld-navy);
}

.doc-prose tr:last-child td {
  border-bottom: 0;
}

.spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
  max-width: 40rem;
}

.spec-list a {
  display: block;
  text-decoration: none;
  padding: 0.85rem 1rem;
  background: var(--guld-white);
  border: 1px solid color-mix(in srgb, var(--guld-ink) 12%, transparent);
  border-radius: 0.3rem;
  color: var(--guld-navy);
  font-weight: 600;
}

.spec-list a:hover {
  border-color: var(--guld-primary);
  color: var(--guld-primary);
}

.spec-list span {
  display: block;
  margin-top: 0.25rem;
  font-weight: 400;
  font-size: 0.88rem;
  color: var(--guld-ink);
  opacity: 0.75;
}

.pillars {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
  max-width: 52rem;
}

@media (min-width: 720px) {
  .pillars {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pillar h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.pillar p {
  margin: 0;
  font-size: 0.95rem;
}

.section h2 + p {
  margin-bottom: 0;
}