:root {
  color-scheme: light;
  --bg: #faf8f5;
  --surface: #f2efe9;
  --surface-raised: #fff;
  --surface-soft: #f6f2ec;
  --text: #1a1a1a;
  --text-secondary: #3d3832;
  --text-muted: #70685e;
  --accent: #1a5fb4;
  --accent-hover: #0d3b7a;
  --accent-soft: #e8f0fa;
  --bg-accent-wash: rgba(26, 95, 180, 0.06);
  --border: #d8d3cb;
  --border-strong: #b8b0a4;
  --success: #2e7d32;
  --shadow: 0 18px 42px rgba(61, 56, 50, 0.08);
  --brandmark-paper: #fffdfa;
  --brandmark-stroke: #1a1a1a;
  --brandmark-muted: #d8d3cb;
  --brandmark-text: #1a1a1a;
  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "Source Sans 3", "Source Sans Pro", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --sp-2xs: 2px;
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-2xl: 48px;
  --sp-3xl: 64px;
  --max-page: 1080px;
  --topic-rail-width: clamp(21rem, 34vw, 27.5rem);
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--bg-accent-wash), transparent 32%),
    linear-gradient(180deg, var(--surface-soft), var(--bg) 18rem);
  transition:
    background var(--transition-medium),
    color var(--transition-medium);
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

button,
a {
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--sp-lg);
  top: -3rem;
  z-index: 100;
  padding: var(--sp-sm) var(--sp-md);
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--border-strong);
}

.skip-link:focus {
  top: var(--sp-md);
}

.container {
  width: min(calc(100% - 2rem), var(--max-page));
  margin: 0 auto;
}

.page-shell {
  min-height: 100vh;
  padding-bottom: var(--sp-3xl);
}

.site-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--sp-sm) var(--sp-lg);
  padding-top: var(--sp-lg);
}

/* ── Language switcher ───────────────────────────────────────── */
.lang-switcher {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  align-self: start;
  margin-top: 0.2rem;
}

.lang-dropdown {
  position: relative;
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.25rem;
  padding: 0.2rem 0;
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-muted);
  cursor: pointer;
  list-style: none;
  user-select: none;
  white-space: nowrap;
  border: 0;
  border-bottom: 1px solid transparent;
}

.lang-current::-webkit-details-marker { display: none; }

.lang-current-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.lang-current-name {
  color: var(--text-secondary);
}


details[open] .lang-current {
  color: var(--text);
  border-bottom-color: color-mix(in srgb, var(--accent) 32%, var(--border));
}

.lang-caret {
  margin-inline-start: 0.1rem;
  font-size: 0.58rem;
  opacity: 0.55;
  transition: transform var(--transition-fast);
}

details[open] .lang-caret {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  min-width: min(13rem, calc(100vw - 2rem));
  max-width: min(16rem, calc(100vw - 1rem));
  background: color-mix(in srgb, var(--surface-raised) 94%, var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--text) 10%, transparent);
  padding: 0.35rem 0;
  list-style: none;
  z-index: 100;
  margin: 0;
  opacity: 0;
  transform: translateY(4px) scale(0.98);
  transform-origin: top right;
  pointer-events: none;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

details[open] > .lang-menu {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.lang-menu a {
  display: block;
  min-height: 2.4rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.8125rem;
  color: var(--text);
  text-decoration: none;
  white-space: normal;
}


.lang-menu a[aria-current="page"] {
  font-weight: 600;
  color: var(--text-secondary);
}

.masthead {
  grid-column: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
  padding: var(--sp-md) 0 var(--sp-xl);
}

.masthead-home {
  align-items: end;
}

.masthead-topic {
  align-items: end;
}

.brandmark {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  text-decoration: none;
}

.brandmark-logo {
  width: min(18.5rem, 48vw);
  height: auto;
}

.brandmark-small .brandmark-logo {
  width: min(15rem, 42vw);
}

.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.1rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}


.eyebrow {
  margin: 0 0 var(--sp-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.directory-head {
  display: grid;
  gap: var(--sp-lg);
  align-items: start;
  padding: 0 0 var(--sp-sm);
}

.directory-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: var(--sp-md);
}

.directory-intro h1,
.section-intro h2,
.domain-heading h2,
.topic-heading h1,
.section-heading h2,
.not-found h1,
.not-found-suggestions h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--text);
}

.directory-intro h1 {
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 0.98;
}

.directory-meta,
.domain-heading p,
.topic-summary,
.preview-panel p,
.text-support,
.site-footer p,
.not-found-copy {
  max-width: 62ch;
  color: var(--text-secondary);
  font-size: 1.08rem;
}

.directory-meta {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.directory-tools-note {
  margin: 0;
  max-width: 34ch;
  color: var(--text-secondary);
  font-size: 0.96rem;
}

.topic-header-tools {
  display: flex;
  align-items: end;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  width: min(100%, var(--topic-rail-width));
  margin-left: auto;
  min-width: 0;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.78rem 1.1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transform-origin: center;
}

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


.button-secondary {
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
}


.directory-tools {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(220px, 0.8fr);
  align-items: start;
  gap: var(--sp-md);
}

.quick-block,
.topic-meta-item {
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 0;
}

.topic-meta-item dt,
.variant-meta,
.topic-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.topic-meta-item dd {
  margin: var(--sp-xs) 0 0;
  font-size: 0.98rem;
  color: var(--text);
}

.quick-topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-sm);
}

.quick-block-featured {
  padding: 0;
  border: none;
  background: transparent;
}

.quick-topic-link {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2xs);
  min-height: 0;
  padding: 0.55rem 0.2rem 0.5rem 0;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 12%, var(--border));
}


.quick-topic-name {
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--accent);
}

.quick-topic-meta {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.directory-nav {
  display: grid;
  gap: var(--sp-xs);
  padding-bottom: var(--sp-xs);
}

.search-box-masthead {
  position: relative;
  width: 100%;
  align-self: end;
  justify-self: end;
}

.search-box-masthead .search-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.domain-jumps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

.domain-jump {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 30%, var(--surface));
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--accent);
}


.section-intro h2,
.domain-heading h2,
.section-heading h2,
.not-found h1,
.topic-heading h1 {
  font-size: clamp(1.8rem, 4vw, 2.35rem);
  line-height: 1;
}

.domain-section {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: var(--sp-xl);
  padding: var(--sp-xl) 0;
  border-top: 1px solid var(--border);
}

.topic-list {
  list-style: none;
  margin: 0;
  padding: 1px;
  background: var(--border);
  border-radius: var(--radius-md);
}

.topic-row + .topic-row {
  border-top: 1px solid var(--border);
}

.topic-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
  padding: 0.9rem 1rem;
  background: var(--surface-raised);
  text-decoration: none;
  border-inline-start: 3px solid transparent;
}


.topic-main,
.topic-side {
  min-width: 0;
}

.topic-main {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2xs);
}

.topic-title {
  font-family: var(--font-body);
  font-size: 1.25rem;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
}

.topic-subtitle,
.topic-meta,
.topic-arrow {
  color: var(--text-secondary);
}

.topic-meta {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.topic-side {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  flex-shrink: 0;
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 24%, var(--surface));
  color: var(--accent);
}

.topic-arrow {
  font-size: 0.92rem;
}

.topic-page {
  display: grid;
  gap: var(--sp-2xl);
}

.site-header:has(.topic-header-tools) {
  grid-template-columns: minmax(0, 1fr) var(--topic-rail-width);
}

.site-header:has(.topic-header-tools) .masthead-topic {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--topic-rail-width);
  align-items: end;
  width: 100%;
}

.site-header:has(.topic-header-tools) .lang-switcher {
  grid-column: 2;
  justify-self: end;
  width: 100%;
  max-width: var(--topic-rail-width);
}

.topic-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--topic-rail-width);
  align-items: start;
  gap: var(--sp-xl);
  padding: var(--sp-sm) 0 var(--sp-md);
}

.topic-hero-main {
  display: grid;
  gap: var(--sp-xs);
}

.topic-hero-actions {
  display: grid;
  align-content: start;
  gap: var(--sp-sm);
  width: 100%;
  max-width: var(--topic-rail-width);
  padding: var(--sp-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-raised) 88%, transparent);
  justify-self: end;
}

.topic-hero-note {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.topic-meta-rail {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin: 0;
}

.topic-meta-item {
  min-width: min(12rem, 100%);
  padding: 0.8rem 0.95rem;
  border: 1px solid color-mix(in srgb, var(--accent) 10%, var(--border));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface-raised) 88%, var(--surface));
}

.topic-meta-item dd {
  line-height: 1.35;
}

.license-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.85rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading {
  margin-bottom: var(--sp-lg);
}

.text-section-priority {
  padding: var(--sp-lg);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border));
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--accent-soft) 26%, var(--surface-raised));
}

.text-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-md);
}

.text-action-card {
  display: grid;
  justify-items: start;
  gap: var(--sp-sm);
  padding: var(--sp-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-raised) 92%, transparent);
}

.text-action-card .topic-chip {
  width: max-content;
}

.asset-action {
  display: grid;
  justify-items: start;
  gap: var(--sp-xs);
}

.asset-action-primary .button-primary {
  width: 100%;
}

.topic-hero-support {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
}

.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: max-content;
  padding: 0.1rem 0;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}

.inline-link::after {
  content: "→";
  font-size: 0.88em;
  transition: transform var(--transition-fast);
}

.asset-count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.text-support {
  margin: var(--sp-sm) 0 0;
  font-size: 0.96rem;
}

.agent-guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-md);
}

.agent-guide-list li {
  display: grid;
  gap: var(--sp-xs);
  padding: var(--sp-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface-raised) 90%, transparent);
}

.agent-guide-list strong,
.variant-badge,
.variant-best-for span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.agent-guide-list span {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.download-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-lg);
}

.variant-card {
  display: grid;
  grid-template-columns: minmax(150px, 180px) minmax(0, 1fr);
  gap: var(--sp-lg);
  padding: var(--sp-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-raised) 88%, transparent);
  box-shadow: var(--shadow);
}

.variant-thumb {
  width: 100%;
  aspect-ratio: 320 / 220;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
}

.variant-body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.variant-copy h3 {
  margin: 0 0 var(--sp-xs);
  font-family: var(--font-body);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.variant-copy p,
.preview-note,
.variant-best-for {
  margin: 0;
  color: var(--text-secondary);
}

.variant-badge {
  margin: 0 0 var(--sp-xs);
  color: var(--accent);
}

.variant-best-for {
  font-size: 0.95rem;
}

.variant-best-for span {
  display: inline-block;
  margin-right: 0.45rem;
  color: var(--text-muted);
}

.variant-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

.variant-meta span {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.preview-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
  padding: var(--sp-xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-raised) 88%, transparent);
}

.ai-download-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ai-download-grid .variant-card {
  grid-template-columns: 1fr;
  gap: var(--sp-md);
  padding: var(--sp-md);
  box-shadow: none;
}

.ai-download-grid .variant-thumb {
  aspect-ratio: 320 / 180;
}

.site-footer {
  padding-top: var(--sp-2xl);
  border-top: 1px solid var(--border);
  margin-top: var(--sp-3xl);
}

.not-found {
  padding-top: clamp(4rem, 8vw, 6rem);
}

.not-found-copy {
  margin-bottom: var(--sp-xl);
}

.not-found-suggestions {
  margin-top: var(--sp-2xl);
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr;
  }

  .site-header:has(.topic-header-tools) {
    grid-template-columns: 1fr;
  }

  .topic-header-tools {
    width: 100%;
  }

  .site-header:has(.topic-header-tools) .masthead-topic {
    grid-template-columns: 1fr;
  }

  .directory-head,
  .domain-section,
  .topic-hero,
  .preview-panel,
  .variant-card {
    grid-template-columns: 1fr;
  }

  .masthead-home {
    align-items: stretch;
  }

  .masthead-topic {
    align-items: stretch;
  }

  .lang-switcher {
    width: 100%;
    justify-content: flex-start;
    margin-top: calc(var(--sp-sm) * -1);
  }

  .site-header:has(.topic-header-tools) .lang-switcher {
    grid-column: 1;
    justify-self: stretch;
    width: 100%;
    max-width: none;
  }

  .lang-dropdown {
    width: 100%;
  }

  .directory-tools {
    grid-template-columns: 1fr;
  }

  .search-box-masthead {
    width: 100%;
  }

  .topic-link,
  .topic-hero,
  .preview-panel {
    align-items: flex-start;
  }

  .topic-hero-actions {
    max-width: none;
    justify-self: stretch;
  }

  .topic-side {
    align-self: stretch;
  }

  .download-grid {
    grid-template-columns: 1fr;
  }

  .agent-guide-list,
  .ai-download-grid {
    grid-template-columns: 1fr;
  }

  .topic-meta-rail {
    display: grid;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 15px;
  }

  .container {
    width: min(calc(100% - 1.25rem), var(--max-page));
  }

  .directory-head {
    gap: var(--sp-sm);
  }

  .directory-topline {
    align-items: start;
  }

  .topic-header-tools {
    justify-items: stretch;
    min-width: 0;
  }

  .lang-switcher {
    justify-content: stretch;
  }

  .lang-dropdown {
    width: 100%;
  }

  .lang-current {
    min-width: 0;
    width: 100%;
    min-height: 2.75rem;
    padding: 0.45rem 0;
    white-space: normal;
  }

  .lang-menu {
    left: 0;
    right: 0;
    min-width: 0;
    max-width: none;
  }

  .topic-link {
    flex-direction: column;
  }

  .topic-side {
    width: 100%;
    justify-content: space-between;
  }

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

}

/* About page */
.about-page h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-xl);
}

.about-page section {
  margin-bottom: var(--sp-2xl);
}

.about-page h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
  margin-bottom: var(--sp-sm);
}

.about-page p, .about-page li {
  max-width: 62ch;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: var(--sp-sm);
}

.about-page ul {
  padding-left: var(--sp-lg);
}

.about-page a {
  color: var(--accent);
  text-decoration: none;
}


/* Search */
.search-box {
  display: grid;
  gap: var(--sp-xs);
  margin: 0;
}

.search-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.search-input {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.75rem 1rem;
  font: 1rem var(--font-body);
  color: var(--text);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-status,
.search-empty {
  font-size: 0.82rem;
  line-height: 1.5;
}

.search-status {
  margin: 0 0 var(--sp-md);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.search-empty {
  margin: 0 0 var(--sp-md);
  color: var(--text-muted);
}

/* Content preview — SEO snippet section on topic pages */
.content-preview,
.related-articles,
.blog-related-topics {
  padding-top: var(--sp-xl);
  border-top: 1px solid var(--border);
}

.content-preview {
  display: grid;
  gap: var(--sp-lg);
}

.section-toc ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.section-toc li {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 12%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 18%, var(--surface));
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.section-toc li::before {
  content: none;
}

.snippet-block {
  display: grid;
  gap: var(--sp-sm);
  margin: 0;
  padding: var(--sp-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-raised) 92%, transparent);
}

.snippet-block h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.snippet-block pre,
.blog-article-body pre {
  margin: 0;
  padding: 0.95rem 1rem;
  overflow-x: auto;
  border: 1px solid color-mix(in srgb, var(--accent) 8%, var(--border));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface-soft) 92%, var(--surface));
  font-size: 0.88rem;
  line-height: 1.55;
}

.snippet-block code,
.blog-article-body code,
.snippet-table code {
  font-family: var(--font-mono);
}

.snippet-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: 0.92rem;
  background: var(--surface-raised);
}

.snippet-table td,
.snippet-table th {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.snippet-table tr:last-child td,
.snippet-table tr:last-child th {
  border-bottom: 0;
}

.snippet-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--surface-soft) 84%, var(--surface));
}

.snippet-table td:first-child {
  white-space: nowrap;
}

.snippet-note {
  margin: 0;
  padding-inline-start: 0.8rem;
  border-inline-start: 2px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.snippet-info {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.snippet-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm) var(--sp-md);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--border);
}

.snippet-cta p {
  margin: 0;
  color: var(--text-secondary);
}

/* Blog */
.blog-page,
.blog-article {
  display: grid;
  gap: var(--sp-xl);
}

.blog-head,
.blog-article-header {
  padding-top: var(--sp-sm);
}

.blog-head h1,
.blog-article-header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.blog-intro {
  max-width: 60ch;
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.04rem;
}

.blog-list,
.blog-related-list,
.related-articles-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.blog-list {
  display: grid;
  gap: var(--sp-md);
}

.blog-list-item a,
.related-article-link {
  display: grid;
  gap: var(--sp-sm);
  padding: var(--sp-lg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-raised) 92%, transparent);
  text-decoration: none;
}

.blog-list-item-meta,
.related-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.blog-list-item time,
.blog-article-header time,
.related-article-meta time,
.related-article-meta span:last-child {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.blog-list-item h2 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.28rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text);
}

.blog-list-item p,
.related-article-link > span:last-child {
  margin: 0;
  color: var(--text-secondary);
}

.related-articles-list,
.blog-related-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-md);
}

.related-article-link strong {
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.blog-article-body {
  max-width: 46rem;
  color: var(--text-secondary);
  font-size: 1.04rem;
  line-height: 1.75;
}

.blog-article-body > :first-child {
  margin-top: 0;
}

.blog-article-body > :last-child {
  margin-bottom: 0;
}

.blog-article-body h2,
.blog-article-body h3 {
  margin: 2rem 0 0.75rem;
  font-family: var(--font-body);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text);
}

.blog-article-body h2 {
  font-size: 1.45rem;
}

.blog-article-body h3 {
  font-size: 1.18rem;
}

.blog-article-body p,
.blog-article-body ul,
.blog-article-body ol,
.blog-article-body blockquote {
  margin: 0 0 1rem;
}

.blog-article-body ul,
.blog-article-body ol {
  padding-inline-start: 1.25rem;
}

.blog-article-body a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.blog-article-body blockquote {
  margin-inline: 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-inline-start: 2px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  color: var(--text);
}

.blog-article-body :not(pre) > code {
  padding: 0.08rem 0.35rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface-soft) 92%, var(--surface));
  font-size: 0.92em;
}

@media (hover: hover) and (pointer: fine) {
  .lang-current:hover {
    color: var(--text);
    border-bottom-color: color-mix(in srgb, var(--accent) 22%, var(--border));
  }

  .lang-menu a:hover {
    background: var(--surface-soft);
  }

  .back-link:hover {
    color: var(--accent);
  }

  .button-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
  }

  .button-secondary:hover {
    border-color: var(--text);
    background: var(--surface);
  }

  .quick-topic-link:hover {
    border-color: var(--accent);
  }

  .domain-jump:hover {
    border-color: var(--accent);
    color: var(--text);
  }

  .topic-link:hover {
    background: color-mix(in srgb, var(--accent-soft) 22%, var(--surface-soft));
    border-inline-start-color: var(--accent);
  }

  .about-page a:hover,
  .blog-article-body a:hover {
    text-decoration: underline;
  }

  .inline-link:hover::after {
    transform: translateX(0.18rem);
  }

  .blog-list-item a:hover,
  .related-article-link:hover {
    border-color: color-mix(in srgb, var(--accent) 24%, var(--border));
    background: color-mix(in srgb, var(--accent-soft) 18%, var(--surface-raised));
    transform: translateY(-1px);
  }
}

.button-primary:active,
.button-secondary:active,
.quick-topic-link:active,
.domain-jump:active,
.topic-link:active,
.back-link:active,
.lang-current:active,
.inline-link:active,
.blog-list-item a:active,
.related-article-link:active {
  transform: scale(0.97);
}

@media (max-width: 900px) {
  .text-actions,
  .related-articles-list,
  .blog-related-list {
    grid-template-columns: 1fr;
  }

  .snippet-cta {
    align-items: flex-start;
  }
}

@media (max-width: 700px) {
  .search-status,
  .search-empty {
    margin-bottom: var(--sp-sm);
  }

  .section-toc ul {
    gap: 0.45rem;
  }

  .section-toc li {
    width: 100%;
    justify-content: center;
  }

  .snippet-block,
  .blog-list-item a,
  .related-article-link,
  .text-action-card {
    padding: var(--sp-md);
  }

  .topic-hero-support {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}