:root {
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --border: #e4e4e4;
  --accent: #2563eb;
  --code-bg: #f4f4f5;
  --max: 42rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  z-index: 100;
}

.skip-link:focus,
.skip-link:focus-visible {
  left: 0;
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

body {
  color: var(--text);
  max-width: none;
}

.container {
  width: min(100% - 2rem, 52rem);
  max-width: 100%;
  margin-inline: auto;
  box-sizing: border-box;
  overflow-x: clip;
  min-width: 0;
}

.site-header {
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  color: inherit;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  padding-block: 0.15rem;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.site-nav a:focus-visible {
  color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-bottom-color: transparent;
}

.site-nav a.is-current {
  color: var(--text);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

.page-header .lede {
  color: var(--muted);
  font-size: 1.1rem;
}

main a {
  color: var(--accent);
}

main a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

main pre,
main code {
  font-size: 0.9em;
}

main pre {
  background: var(--code-bg);
  padding: 1rem;
  overflow-x: auto;
  border-radius: 6px;
  max-width: 100%;
}

main .highlight {
  max-width: 100%;
  overflow-x: auto;
  background: #f6f8fa;
  border-radius: 6px;
}

main .highlight pre {
  background: transparent;
}

/* Rouge token colors for CSS blocks (GitHub light). */
.highlight .k { color: #cf222e; }
.highlight .nt,
.highlight .na { color: #116329; }
.highlight .nc,
.highlight .nn,
.highlight .no,
.highlight .nb { color: #953800; }
.highlight .nf,
.highlight .nd { color: #8250df; }
.highlight .nl,
.highlight .py,
.highlight .nx,
.highlight .m,
.highlight .mi,
.highlight .mf,
.highlight .mh,
.highlight .o { color: #0550ae; }
.highlight .s,
.highlight .s1,
.highlight .s2,
.highlight .sx { color: #0a3069; }
.highlight .c,
.highlight .cp,
.highlight .c1,
.highlight .cm { color: #6e7781; font-style: italic; }
.highlight .p { color: #24292f; }

main details {
  margin: 0 0 0.75rem;
  padding: 0.65rem 1rem 0.75rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fafafa;
}

main details > summary {
  cursor: pointer;
  font-weight: 600;
  list-style-position: outside;
}

main details > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

main details[open] > summary {
  margin-bottom: 0.75rem;
}

main details.rule {
  background: #fff;
}

main details.rule[open] {
  padding-bottom: 1rem;
}

main details.toc {
  margin: 0 0 2rem;
}

main details.toc ol {
  margin: 0;
  padding-inline-start: 1.25rem;
}

main details.toc li {
  margin: 0.2rem 0;
}

main details.toc a {
  text-decoration: none;
}

main details.toc a:hover {
  text-decoration: underline;
}

.impact-press-list ol {
  margin: 0 0 2rem;
  padding-inline-start: 1.35rem;
}

.impact-press-list li {
  margin: 0.55rem 0;
}

main :not(pre) > code {
  background: var(--code-bg);
  padding: 0.15em 0.35em;
  border-radius: 4px;
}

.table-scroll {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.5rem 0;
  max-width: 100%;
  min-width: 0;
}

.table-scroll table {
  margin: 0;
  width: max-content;
  min-width: 100%;
}

main table {
  font-size: 0.9rem;
  border-collapse: collapse;
}

main th,
main td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.55rem;
  text-align: left;
  vertical-align: top;
}

main th {
  background: var(--code-bg);
}

.rule-table td:first-child {
  font-family: ui-monospace, monospace;
  white-space: nowrap;
}

.page-impact.container {
  width: min(100% - 2rem, 64rem);
}

.page-impact .card-grid--impact {
  margin: 1.5rem 0 2rem;
}

.page-impact h2 {
  margin-top: 2.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.page-impact h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-impact h3 {
  margin-top: 1.75rem;
  font-size: 1.05rem;
}

.impact-proof-band {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  justify-content: center;
  margin: 0 0 2rem;
  padding: 1.25rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: linear-gradient(180deg, #fafafa 0%, #fff 100%);
}

.impact-proof-band__item {
  line-height: 0;
}

.impact-proof-band__item img {
  display: block;
  height: 28px;
  width: auto;
  max-width: 100%;
}

.showcase-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  margin: 1.25rem 0 2rem;
}

.showcase-card {
  margin: 0;
  min-width: 0;
}

.showcase-card__media {
  display: block;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--code-bg);
  aspect-ratio: 16 / 10;
}

.showcase-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.showcase-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  border: 0;
  padding: 0;
}

.showcase-card p {
  margin: 0 0 0.35rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.showcase-card p:last-child {
  margin-bottom: 0;
}

.impact-adopter h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.page-impact ul {
  padding-left: 1.2rem;
}

.page-impact li {
  margin: 0.35rem 0;
  line-height: 1.5;
}

.table-scroll td code {
  word-break: break-all;
}

.hero {
  text-align: center;
  padding: 2rem 0 1rem;
}

.hero img {
  width: 5rem;
  height: 5rem;
}

.hero .tagline {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: var(--max);
  margin-inline: auto;
}

.hero__version {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  color: var(--color-muted, #64748b);
}

.hero__version a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

.hero__secondary {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  font-size: 0.95rem;
}

.hero__secondary a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.hero__secondary a:hover {
  color: var(--accent);
}

.btn {
  display: inline-block;
  padding: 0.55rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  filter: brightness(1.05);
  color: #fff;
}

.btn--primary:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  margin: 2rem 0;
}

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}

.card h2 {
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: 0.35rem;
}

.card h2 a {
  text-decoration: none;
  font-weight: 600;
  color: inherit;
}

.card h2 a:hover {
  color: var(--accent);
}

.page-impact .card a {
  color: var(--accent);
  text-decoration: underline;
  font-weight: inherit;
}

.page-impact .card a:hover {
  color: var(--accent);
  text-decoration-thickness: 2px;
}

.card a:focus-visible,
.page-impact .card a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.methodology {
  margin: 1.5rem 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.methodology summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.site-footer a:hover {
  color: var(--text);
}

.site-footer a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (min-width: 48rem) {
  .layout-with-toc {
    display: grid;
    grid-template-columns: 1fr min(12rem, 28vw);
    gap: 2rem;
    align-items: start;
  }

  .layout-with-toc .toc {
    position: sticky;
    top: 1rem;
    font-size: 0.85rem;
    color: var(--muted);
  }

  .layout-with-toc .toc a {
    text-decoration: none;
  }

  .layout-with-toc .toc a:hover {
    text-decoration: underline;
  }
}