.documentation-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(58px, 8vw, 94px) 0 clamp(34px, 5vw, 54px);
  background:
    linear-gradient(180deg, rgba(238,241,255,.9) 0%, rgba(255,255,255,.95) 78%, #fff 100%);
}

.documentation-hero-copy {
  max-width: 760px;
}

.documentation-hero-copy h1 {
  margin-top: 16px;
}

.documentation-hero-copy .lead {
  margin-top: 18px;
}

.documentation-shell-section {
  padding: clamp(28px, 5vw, 56px) 0 clamp(72px, 9vw, 110px);
}

.documentation-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.documentation-sidebar {
  position: sticky;
  top: 94px;
}

.documentation-sidebar-shell {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,248,251,.96));
  box-shadow: var(--shadow-sm);
  padding: 22px;
}

.documentation-sidebar-shell h3 {
  font-size: 14px;
  font-family: var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}

.documentation-nav,
.documentation-children {
  list-style: none;
  margin: 0;
  padding: 0;
}

.documentation-group + .documentation-group {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line-2);
}

.documentation-group-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.documentation-group-head > a {
  flex: 1 1 auto;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.4;
}

.documentation-toggle {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.documentation-toggle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.75px solid currentColor;
  border-bottom: 1.75px solid currentColor;
  color: var(--ink-2);
  transform: translate(-50%, -65%) rotate(45deg);
  transition: transform .2s ease;
}

.documentation-group.is-open .documentation-toggle::before {
  transform: translate(-50%, -35%) rotate(225deg);
}

.documentation-children {
  display: none;
  padding: 12px 0 0 16px;
}

.documentation-group.is-open .documentation-children {
  display: grid;
  gap: 8px;
}

.documentation-nav a:hover,
.documentation-children a:hover {
  color: var(--accent);
}

.documentation-nav a.is-current,
.documentation-children a.is-current {
  color: var(--accent);
}

.documentation-content {
  min-width: 0;
}

.documentation-card-list {
  display: grid;
  gap: 20px;
}

.documentation-card,
.documentation-empty,
.documentation-article {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255,255,255,.99), rgba(247,248,251,.96));
  box-shadow: var(--shadow-sm);
}

.documentation-card,
.documentation-empty {
  padding: 28px;
}

.documentation-card-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
}

.documentation-card h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 12px;
}

.documentation-card p,
.documentation-empty p {
  color: var(--muted);
}

.documentation-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--accent);
  font-weight: 600;
}

.documentation-card-link::after {
  content: "->";
  font-family: var(--font-mono);
  font-size: 12px;
}

.documentation-pagination {
  margin-top: 28px;
}

.documentation-pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.documentation-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.documentation-pagination .page-numbers.current {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.documentation-article-media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 26px 26px 0 0;
}

.documentation-article-body {
  padding: 30px;
}

.documentation-article-body > * + * {
  margin-top: 18px;
}

.documentation-article-body h2,
.documentation-article-body h3,
.documentation-article-body h4 {
  margin-top: 28px;
}

.documentation-article-body ul,
.documentation-article-body ol {
  padding-left: 24px;
  color: var(--ink-2);
}

.documentation-article-body li + li {
  margin-top: 8px;
}

.documentation-article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.documentation-article-body code {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: .95em;
}

.documentation-article-body pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: 18px;
  background: #0f1424;
  color: #f5f7ff;
}

.documentation-article-body pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
}

@media (max-width: 980px) {
  .documentation-layout {
    grid-template-columns: 1fr;
  }

  .documentation-sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .documentation-sidebar-shell,
  .documentation-card,
  .documentation-empty,
  .documentation-article-body {
    padding: 20px;
  }

  .documentation-children {
    padding-left: 12px;
  }
}

@media (max-width: 560px) {
  .documentation-card,
  .documentation-empty {
    padding: 20px;
  }

  .documentation-card h2 {
    font-size: clamp(22px, 8vw, 30px);
  }

  .documentation-pagination .nav-links {
    justify-content: center;
  }
}