/* Crawlable documentation and download pages share the homepage's visual language. */
.seo-page {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - 64px);
  overflow: hidden;
  padding: 142px 0 112px;
}

.seo-page::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(90% 52% at 50% 0%, #000 12%, transparent 92%);
  -webkit-mask-image: radial-gradient(90% 52% at 50% 0%, #000 12%, transparent 92%);
  pointer-events: none;
}

.seo-page::after {
  position: absolute;
  z-index: -1;
  top: -18rem;
  left: 50%;
  width: 46rem;
  height: 36rem;
  content: "";
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--signal-glow);
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
}

.seo-article {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

.seo-article h1 {
  max-width: 16ch;
  margin: 12px 0 20px;
  color: var(--text-bluish);
  font-family: var(--display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.seo-lead {
  max-width: 700px;
  margin-bottom: 40px;
  color: var(--muted);
  font-size: 17px;
}

.seo-article h2 {
  margin: 60px 0 16px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--text-bluish);
  font-size: 26px;
  letter-spacing: -0.025em;
}

.seo-article h3 {
  margin: 26px 0 8px;
  color: var(--text-bluish);
  font-size: 18px;
}

.seo-article p,
.seo-article li {
  color: var(--muted);
  font-size: 15px;
}

.seo-article p { margin: 0 0 14px; }
.seo-article ul,
.seo-article ol {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
  padding: 22px 24px 22px 46px;
  border: 1px solid var(--border);
  border-radius: var(--r-panel);
  background: var(--panel);
  box-shadow: var(--shadow-card);
}
.seo-article ul { display: grid; gap: 10px; margin: 0 0 18px; padding-left: 24px; }
.seo-article a { color: var(--signal-deep); }

.seo-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--faint);
  font: 11px var(--mono);
  letter-spacing: 0.04em;
}

.seo-breadcrumb span { color: var(--border-strong); }

.seo-callout {
  margin: 26px 0;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-panel);
  background: var(--panel);
  box-shadow: var(--shadow-card);
}

.seo-callout p:last-child { margin-bottom: 0; }

.seo-download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 26px 0 30px;
}

.seo-card {
  min-height: 190px;
  padding: 22px 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-panel);
  background: var(--panel);
  box-shadow: var(--shadow-card);
}

.seo-card h2,
.seo-card h3 { margin: 0 0 8px; font-size: 18px; }
.seo-card p { font-size: 13px; }
.seo-card__links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

.seo-article a:not(.btn) { color: var(--signal-deep); }

.seo-button-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }

.download-source-panel { margin: 26px 0; }
.download-source-panel__body { padding: 20px 22px 18px; }
.download-source-panel__body p { margin-bottom: 14px; }
.download-source-panel__body .seo-button-row { margin: 16px 0 12px; }
.download-source-panel__legal { color: var(--faint) !important; font-size: 13px !important; }
.download-panel { margin: 28px 0; }
.seo-article .quickstart__title { margin: 4px 0 18px; padding: 0; border: 0; color: var(--text-bluish); font: 700 24px/1.2 var(--display); }

.seo-table-wrap { overflow-x: auto; margin: 22px 0; }
.seo-table { width: 100%; min-width: 580px; border-collapse: collapse; }
.seo-table th,
.seo-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.seo-table th { color: var(--text-bluish); font-size: 13px; }
.seo-table td { color: var(--muted); font-size: 13px; }

.seo-article details {
  margin: 10px 0;
  padding: 17px 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-panel);
  background: var(--panel);
  box-shadow: var(--shadow-card);
}

.seo-article summary {
  cursor: pointer;
  color: var(--text-bluish);
  font-weight: 700;
  list-style: none;
}

.seo-article summary::-webkit-details-marker { display: none; }

.seo-article summary::after {
  float: right;
  margin-left: 16px;
  color: var(--signal);
  content: "+";
  font: 700 16px/1 var(--mono);
}

.seo-article details[open] summary::after { content: "−"; }

.seo-article details[open] {
  border-color: var(--border-strong);
}

.seo-article details p { margin: 12px 0 0; }

.seo-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

@media (max-width: 760px) {
  .seo-page { padding-top: 112px; }
  .seo-download-grid { grid-template-columns: 1fr; }
  .seo-article h1 { max-width: none; }
}

/* The 404 keeps the same hero rhythm as the product homepage. */
.error-page__inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.error-page__code {
  display: block;
  margin: 8px 0 16px;
  color: var(--signal);
  font: 700 clamp(5rem, 16vw, 10rem)/0.9 var(--mono);
  letter-spacing: -0.08em;
  text-shadow: 0 0 42px var(--signal-dim);
}

.error-page__inner h1 {
  max-width: none;
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.error-page__inner .seo-lead { margin-right: auto; margin-left: auto; }
.error-page__path { margin: 0 auto 24px; color: var(--faint); }
.error-page__path code { color: var(--signal-deep); }
.error-page__inner .seo-button-row { justify-content: center; }