:root {
  color-scheme: light;
  --ink: #172026;
  --muted: #5e6a70;
  --paper: #f5f2eb;
  --panel: #fffdf8;
  --line: #d8d2c6;
  --accent: #9a3f2f;
  --accent-dark: #6d2a20;
  font-family: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0;
  transform: translateY(-150%);
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: #fff;
  z-index: 2;
}

.skip-link:focus {
  transform: translateY(0.5rem);
}

.site-shell {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  padding: 1.5rem 0 3rem;
  border-bottom: 1px solid var(--line);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin: 0 0 4rem;
  padding: 0;
  list-style: none;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}

.site-nav a {
  text-decoration: none;
  font-weight: 700;
}

.site-kicker,
.resource-type,
.category-count {
  margin: 0;
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  line-height: 1.15;
}

h1 {
  max-width: 14ch;
  margin: 0.35rem 0 0;
  font-size: clamp(2.75rem, 8vw, 6rem);
  letter-spacing: -0.045em;
}

main {
  padding: 3rem 0;
}

.directory-intro {
  max-width: 42rem;
  margin-bottom: 3rem;
}

.directory-intro h2 {
  margin-bottom: 0.25rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.directory-filters {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(4, minmax(8rem, 1fr));
  gap: 0.85rem;
  align-items: end;
  margin: 1.5rem 0 1rem;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  font-family: system-ui, sans-serif;
}

.directory-search-field,
.directory-filter-field {
  display: grid;
  gap: 0.3rem;
}

.directory-search-field label,
.directory-filter-field label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.directory-filters input,
.directory-filters select,
.directory-filters button {
  min-height: 2.55rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.directory-filters input:focus-visible,
.directory-filters select:focus-visible,
.directory-filters button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.directory-submit,
.directory-no-results button {
  cursor: pointer;
  font-weight: 700;
}

.directory-submit:hover,
.directory-no-results button:hover {
  background: var(--paper);
}

.category-section,
.category-page {
  scroll-margin-top: 1rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
}

.category-section h2,
.category-page h2 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.7rem);
}

.category-count {
  margin-top: 0.45rem;
}

.editorial-page,
.collections-page,
.collection-detail {
  max-width: 52rem;
}

.editorial-page h2,
.collections-page h2,
.collection-detail h2 {
  margin: 0.35rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3.8rem);
}

.editorial-page h3 {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.editorial-page li {
  margin: 0.45rem 0;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 1rem;
  max-width: 72rem;
  margin-top: 2rem;
}

.collection-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0.3rem 0.3rem 0 rgba(23, 32, 38, 0.06);
}

.collection-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.45rem;
}

.collection-card-route {
  margin: auto 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  font-family: system-ui, sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
}

.collection-description {
  max-width: 42rem;
  font-size: 1.15rem;
}

.collection-status,
.collection-policy {
  padding: 0.85rem 1rem;
  background: var(--panel);
  border-left: 0.3rem solid var(--accent);
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}

.collection-detail > .resource-grid {
  margin-top: 2rem;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.resource-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0.3rem 0.3rem 0 rgba(23, 32, 38, 0.06);
}

.resource-card h3 {
  margin: 0.35rem 0 0.55rem;
  font-size: 1.45rem;
}

.resource-card h3 a {
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.12em;
}

.resource-card-route {
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  font-family: system-ui, sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
}

.resource-detail {
  max-width: 52rem;
}

.resource-detail h2 {
  margin: 0.35rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3.8rem);
}

.resource-description {
  max-width: 42rem;
  font-size: 1.15rem;
}

.resource-canonical-link {
  margin: 1.5rem 0 2rem;
  font-family: system-ui, sans-serif;
  font-weight: 700;
}

.resource-detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1rem;
  margin: 0 0 1.5rem;
  padding: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--line);
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}

.resource-detail-meta div {
  min-width: 0;
}

.resource-detail-meta dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.resource-detail-meta dd {
  margin: 0.2rem 0 0;
  overflow-wrap: anywhere;
}

.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.2rem 0 0;
  padding: 0;
  list-style: none;
}

.category-list li {
  white-space: nowrap;
}

.related-resources {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.related-resources h3 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.resource-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: auto 0 1rem;
  padding-top: 1rem;
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: 0.84rem;
}

.resource-meta div {
  min-width: 0;
}

.resource-meta dt {
  font-weight: 700;
}

.resource-meta dd {
  margin: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  font-family: system-ui, sans-serif;
  font-size: 0.78rem;
}

.tag-list li {
  padding: 0.18rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.resource-sources {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  font-family: system-ui, sans-serif;
  font-size: 0.84rem;
}

.resource-sources h4 {
  margin: 0 0 0.3rem;
}

.resource-sources ul {
  margin: 0;
  padding-left: 1.1rem;
}

.empty-state,
.noscript-message {
  padding: 1rem;
  background: var(--panel);
  border-left: 0.3rem solid var(--accent);
}

.directory-no-results button {
  margin-right: 0.35rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--accent-dark);
  font: inherit;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.signal-chain-hero {
  display: grid;
  grid-template-columns: minmax(15rem, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: stretch;
  margin: 0 0 4rem;
  padding: clamp(1.25rem, 3vw, 3rem);
  overflow: hidden;
  background: #1b2528;
  color: #f8f3e8;
  border: 1px solid #3b4c4e;
  box-shadow: 0.5rem 0.5rem 0 rgba(23, 32, 38, 0.14);
}

.signal-chain-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.signal-chain-hero-copy .site-kicker {
  color: #b7c8c2;
}

.signal-chain-hero h2 {
  max-width: 8ch;
  margin: 0.45rem 0 1rem;
  color: #fffdf8;
  font-size: clamp(2.3rem, 5vw, 4.6rem);
  letter-spacing: -0.05em;
}

.signal-chain-hero-copy > p:not(.site-kicker) {
  max-width: 32rem;
  margin: 0;
  color: #d7e0d9;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.signal-chain-fallback {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #536568;
}

.signal-chain-fallback-label {
  margin: 0 0 0.6rem;
  color: #b7c8c2;
  font-family: system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-chain-fallback-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 0.8rem;
  margin: 0;
  padding-left: 1.25rem;
  color: #f8f3e8;
  font-family: system-ui, sans-serif;
  font-size: 0.92rem;
}

.signal-chain-fallback-list a {
  color: #fffdf8;
  text-underline-offset: 0.18em;
}

.signal-chain-fallback-list a:focus-visible,
.signal-chain-hero:focus-within {
  outline: 3px solid #e2b36b;
  outline-offset: 4px;
}

.signal-chain-stage {
  position: relative;
  min-width: 0;
  min-height: 24rem;
  overflow: hidden;
  border: 1px solid #3f5557;
  background:
    radial-gradient(circle at 68% 34%, rgba(224, 179, 107, 0.16), transparent 32%),
    linear-gradient(145deg, #243336 0%, #172225 100%);
}

.signal-chain-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 24rem;
  cursor: crosshair;
  touch-action: none;
}

.signal-chain-canvas:focus-visible {
  outline: 3px solid #e2b36b;
  outline-offset: -5px;
}

.signal-chain-pointer-label {
  position: absolute;
  right: 1rem;
  bottom: 0.85rem;
  left: 1rem;
  margin: 0;
  padding: 0.5rem 0.7rem;
  color: #e6eee8;
  background: rgba(18, 29, 31, 0.78);
  border: 1px solid rgba(184, 206, 194, 0.32);
  font-family: system-ui, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  pointer-events: none;
}

@media (max-width: 48rem) {
  .directory-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .directory-search-field,
  .directory-submit {
    grid-column: 1 / -1;
  }

  .signal-chain-hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }

  .signal-chain-hero h2 {
    max-width: none;
  }

  .signal-chain-stage,
  .signal-chain-canvas {
    min-height: 21rem;
  }
}

@media (max-width: 30rem) {
  .directory-filters {
    grid-template-columns: 1fr;
  }

  .directory-search-field,
  .directory-submit {
    grid-column: auto;
  }
}

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

  .signal-chain-canvas {
    cursor: default;
  }
}