:root {
  color-scheme: dark;
  --font-display: "Bahnschrift SemiCondensed", "Bahnschrift", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  --font-body: "Segoe UI Variable Text", "Segoe UI", sans-serif;
  --font-code: "Cascadia Code", "Cascadia Mono", Consolas, monospace;
  --ink: #f1f4ea;
  --muted: #aab4a7;
  --dim: #788278;
  --canvas: #0b0e0d;
  --canvas-raised: #101513;
  --panel: #151b18;
  --panel-strong: #1c2420;
  --line: #344039;
  --line-strong: #55645a;
  --mineral: #badc62;
  --mineral-dark: #26351b;
  --copper: #d58c62;
  --copper-dark: #3a251d;
  --warning: #f0c76d;
  --error: #ff928c;
  --focus: #e6ff91;
  --content: 1540px;
  --control: 46px;
  --edge: clamp(16px, 3vw, 48px);
  --section-gap: clamp(64px, 8vw, 120px);
  --fast: 160ms;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--canvas);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background-color: var(--canvas);
  background-image:
    linear-gradient(rgba(186, 220, 98, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(186, 220, 98, 0.026) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0 0 auto;
  z-index: -1;
  height: 360px;
  border-bottom: 1px solid rgba(186, 220, 98, 0.08);
  background: linear-gradient(180deg, rgba(186, 220, 98, 0.07), transparent);
  content: "";
  pointer-events: none;
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button,
input,
select,
a {
  border-radius: 0;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

a {
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
dl,
dd,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 650;
  line-height: 1.08;
  text-wrap: balance;
}

code,
kbd,
.mono {
  font-family: var(--font-code);
}

kbd {
  border: 1px solid var(--line-strong);
  padding: 1px 5px;
  background: var(--canvas);
  color: var(--mineral);
  font-size: 0.75rem;
}

[hidden] {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  min-height: var(--control);
  padding: 10px 16px;
  border: 1px solid var(--mineral);
  background: var(--mineral);
  color: #11170c;
  font-weight: 750;
  transform: translateY(-90px);
  transition: transform var(--fast) ease-out;
}

.skip-link:focus {
  transform: translateY(0);
}

.atlas-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(360px, 1.4fr) minmax(210px, 0.7fr);
  min-height: 76px;
  border-bottom: 1px solid var(--line-strong);
  background: rgba(11, 14, 13, 0.96);
  backdrop-filter: blur(14px);
}

.wordmark,
.rpg-link {
  display: flex;
  min-height: 76px;
  align-items: center;
  gap: 12px;
  padding: 12px var(--edge);
  text-decoration: none;
}

.wordmark {
  border-right: 1px solid var(--line);
}

.wordmark-code {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  place-items: center;
  border: 1px solid var(--mineral);
  background: var(--mineral-dark);
  color: var(--mineral);
  font-family: var(--font-code);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.wordmark strong,
.rpg-link span {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

.wordmark small,
.rpg-link small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.3;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.atlas-nav {
  display: flex;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  align-items: stretch;
  justify-content: center;
}

.atlas-nav button,
.atlas-nav a {
  min-width: 132px;
  min-height: var(--control);
  border: 0;
  border-right: 1px solid var(--line);
  padding: 12px 18px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-display);
  font-weight: 650;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--fast) ease, color var(--fast) ease;
}

.atlas-nav > :first-child {
  border-left: 1px solid var(--line);
}

.atlas-nav button:hover,
.atlas-nav a:hover,
.atlas-nav button[aria-current="page"] {
  background: var(--panel-strong);
  color: var(--ink);
}

.atlas-nav button[aria-current="page"] {
  box-shadow: inset 0 -3px var(--mineral);
}

.rpg-link {
  justify-content: flex-end;
  border-left: 1px solid var(--line);
  text-align: right;
  transition: background-color var(--fast) ease;
}

.rpg-link:hover {
  background: var(--copper-dark);
}

#atlas-main {
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 0 var(--edge) var(--section-gap);
}

.atlas-intro {
  min-height: 440px;
  padding: clamp(64px, 9vw, 136px) 0 64px;
  border-bottom: 1px solid var(--line-strong);
}

.eyebrow,
.section-index {
  color: var(--mineral);
  font-family: var(--font-code);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.8fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: end;
  margin-top: 20px;
}

.intro-grid h1 {
  max-width: 900px;
  font-size: clamp(3.1rem, 7vw, 7.25rem);
  letter-spacing: -0.045em;
  overflow-wrap: anywhere;
}

.intro-copy {
  max-width: 780px;
  margin-top: 28px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.55;
}

.headline-metrics {
  border-top: 1px solid var(--line-strong);
}

.headline-metrics div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 16px;
  min-height: 78px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.headline-metrics dt {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.headline-metrics dd {
  color: var(--mineral);
  font-family: var(--font-code);
  font-size: clamp(1.65rem, 3vw, 2.5rem);
}

.atlas-view {
  padding-top: var(--section-gap);
}

.section-index {
  margin-bottom: 18px;
  color: var(--copper);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 42px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-strong);
}

.section-heading h2 {
  margin-top: 10px;
  font-size: clamp(2.15rem, 4vw, 4.5rem);
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.section-heading > p {
  max-width: 620px;
  color: var(--muted);
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.domain-card {
  position: relative;
  min-height: 250px;
  border: 0;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  padding: 24px;
  background: rgba(16, 21, 19, 0.82);
  color: var(--ink);
  text-align: left;
  transition: background-color var(--fast) ease, box-shadow var(--fast) ease;
}

.domain-card:hover,
.domain-card:focus-visible {
  background: var(--panel-strong);
  box-shadow: inset 4px 0 var(--mineral);
}

.domain-card-index {
  color: var(--dim);
  font-family: var(--font-code);
  font-size: 0.72rem;
}

.domain-card h3 {
  max-width: 17ch;
  margin-top: 32px;
  font-size: clamp(1.55rem, 2.2vw, 2.25rem);
}

.domain-route {
  display: inline-block;
  margin-top: 12px;
  color: var(--mineral);
  font-family: var(--font-code);
  font-size: 0.82rem;
}

.domain-card-keywords {
  max-width: 34ch;
  margin-top: 18px;
  color: var(--muted);
  font-family: var(--font-code);
  font-size: 0.7rem;
  line-height: 1.55;
}

.domain-card-footer {
  display: flex;
  position: absolute;
  right: 24px;
  bottom: 22px;
  left: 24px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.78rem;
}

.domain-card-footer strong {
  color: var(--copper);
  font-family: var(--font-code);
}

.overview-lower-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1px;
  margin-top: 48px;
  border: 1px solid var(--line-strong);
  background: var(--line-strong);
}

.provenance-panel,
.distribution-panel {
  min-width: 0;
  padding: clamp(24px, 4vw, 48px);
  background: var(--canvas-raised);
}

.provenance-panel h3,
.distribution-panel h3,
.history-panel h3 {
  margin: 10px 0 28px;
  font-size: clamp(1.55rem, 2.4vw, 2.4rem);
}

.provenance-list div {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.provenance-list dt {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.provenance-list dd {
  margin-top: 6px;
  overflow-wrap: anywhere;
  font-family: var(--font-code);
  font-size: 0.82rem;
}

.provenance-list a {
  color: var(--mineral);
  text-underline-offset: 4px;
}

.distribution-row {
  display: grid;
  grid-template-columns: 126px minmax(0, 1fr) 44px;
  gap: 12px;
  align-items: center;
  min-height: 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.distribution-track {
  height: 8px;
  background: var(--panel-strong);
}

.distribution-value {
  display: block;
  height: 100%;
  background: var(--mineral);
}

.distribution-count {
  color: var(--copper);
  font-family: var(--font-code);
  text-align: right;
}

.source-workbench {
  display: grid;
  grid-template-columns: minmax(290px, 370px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.filter-panel {
  position: sticky;
  top: 100px;
  border: 1px solid var(--line-strong);
  padding: 22px;
  background: rgba(16, 21, 19, 0.94);
}

.filter-header,
.result-bar,
.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.filter-header {
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.filter-header h3 {
  font-size: 1.3rem;
}

.text-button {
  min-height: 44px;
  border: 1px solid var(--line-strong);
  padding: 8px 12px;
  background: transparent;
  color: var(--mineral);
  font-size: 0.82rem;
}

.text-button:hover {
  border-color: var(--mineral);
  background: var(--mineral-dark);
}

.filter-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.field {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.field label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.field small {
  color: var(--dim);
  font-size: 0.75rem;
}

.field input,
.field select,
.result-bar select {
  width: 100%;
  min-height: var(--control);
  border: 1px solid var(--line-strong);
  padding: 9px 12px;
  background: var(--canvas);
  color: var(--ink);
}

.field input::placeholder {
  color: var(--dim);
  opacity: 1;
}

.field input:hover,
.field select:hover,
.result-bar select:hover {
  border-color: var(--mineral);
}

.source-results {
  min-width: 0;
}

.result-bar {
  min-height: 62px;
  margin-bottom: 18px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  padding: 8px 0;
}

.result-bar p {
  color: var(--muted);
}

.result-bar label {
  margin-left: auto;
  color: var(--dim);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.result-bar select {
  width: auto;
  min-width: 190px;
}

.source-list {
  display: grid;
  gap: 14px;
}

.source-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 24px;
  min-width: 0;
  border: 1px solid var(--line-strong);
  padding: clamp(20px, 3vw, 30px);
  background: rgba(16, 21, 19, 0.86);
  transition: border-color var(--fast) ease, background-color var(--fast) ease;
}

.source-card:hover {
  border-color: var(--mineral);
  background: var(--canvas-raised);
}

.source-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.source-card h3 {
  font-size: clamp(1.45rem, 2vw, 2rem);
  overflow-wrap: anywhere;
}

.repository-name {
  margin-top: 7px;
  color: var(--copper);
  font-family: var(--font-code);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.source-rationale {
  max-width: 75ch;
  margin-top: 20px;
  color: var(--muted);
}

.badge-row,
.domain-tags,
.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.badge-row {
  justify-content: flex-end;
}

.badge,
.domain-tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid var(--line-strong);
  padding: 3px 8px;
  font-family: var(--font-code);
  font-size: 0.68rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.badge-priority {
  border-color: var(--mineral);
  color: var(--mineral);
}

.badge-archived {
  border-color: var(--warning);
  color: var(--warning);
}

.badge-current {
  color: var(--muted);
}

.domain-tags {
  margin-top: 22px;
}

.domain-tag {
  border-color: var(--line);
  color: var(--muted);
  text-transform: none;
}

.source-meta {
  display: grid;
  align-content: start;
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

.source-meta dl {
  display: grid;
  gap: 12px;
}

.source-meta div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
}

.source-meta dt {
  color: var(--dim);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.source-meta dd {
  min-width: 0;
  color: var(--muted);
  font-family: var(--font-code);
  font-size: 0.74rem;
  overflow-wrap: anywhere;
}

.source-links {
  margin-top: 22px;
}

.source-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  border: 1px solid var(--line-strong);
  padding: 8px 12px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.source-links a:hover {
  border-color: var(--mineral);
  background: var(--mineral-dark);
  color: var(--mineral);
}

.unavailable-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--dim);
  font-size: 0.78rem;
}

.dataset-error {
  grid-column: 1 / -1;
  min-height: 180px;
  padding: 36px;
  border: 1px solid var(--error);
  color: var(--error);
}

.empty-panel {
  min-height: 260px;
  border: 1px dashed var(--line-strong);
  padding: 64px 24px;
  text-align: center;
}

.empty-panel h3 {
  font-size: 1.75rem;
}

.empty-panel p {
  margin-top: 10px;
  color: var(--muted);
}

.version-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.version-metric {
  min-height: 128px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  padding: 20px;
}

.version-metric dt {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.version-metric dd {
  margin-top: 16px;
  color: var(--mineral);
  font-family: var(--font-code);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

.latest-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 42px;
}

.latest-card {
  min-width: 0;
  border: 1px solid var(--line-strong);
  padding: clamp(24px, 4vw, 42px);
  background: var(--canvas-raised);
}

.latest-card-label {
  color: var(--copper);
  font-family: var(--font-code);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.latest-card h3 {
  margin-top: 12px;
  font-family: var(--font-code);
  font-size: clamp(2rem, 4vw, 4.25rem);
  overflow-wrap: anywhere;
}

.latest-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
}

.latest-detail-grid div {
  min-width: 0;
  padding: 14px;
  background: var(--panel);
}

.latest-detail-grid dt {
  color: var(--dim);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.latest-detail-grid dd {
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--font-code);
  font-size: 0.74rem;
  overflow-wrap: anywhere;
}

.capability-profile {
  margin-top: 42px;
  border: 1px solid var(--line-strong);
  padding: clamp(24px, 4vw, 48px);
  background: rgba(16, 21, 19, 0.86);
}

.capability-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 32px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-strong);
}

.capability-heading h3 {
  margin-top: 10px;
  font-size: clamp(1.8rem, 3.2vw, 3.4rem);
}

.capability-summary {
  color: var(--muted);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability-metric {
  min-width: 0;
  min-height: 110px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px;
}

.capability-metric dt {
  color: var(--dim);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.capability-metric dd {
  margin-top: 12px;
  color: var(--mineral);
  font-family: var(--font-code);
  font-size: clamp(1.35rem, 2.6vw, 2.15rem);
  overflow-wrap: anywhere;
}

.capability-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 32px;
  margin-top: 32px;
}

.capability-lists {
  display: grid;
  gap: 26px;
  align-content: start;
}

.capability-tag-group h4 {
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.capability-tag-group .domain-tags {
  margin-top: 10px;
}

.capability-provenance {
  min-width: 0;
}

.capability-provenance > div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 16px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

.capability-provenance dt {
  color: var(--dim);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.capability-provenance dd {
  min-width: 0;
  color: var(--muted);
  font-family: var(--font-code);
  font-size: 0.74rem;
  overflow-wrap: anywhere;
}

.capability-provenance a {
  color: var(--mineral);
  text-underline-offset: 4px;
}

.history-panel {
  margin-top: 72px;
  border-top: 1px solid var(--line-strong);
  padding-top: 32px;
}

.history-header {
  align-items: end;
}

.history-header h3 {
  margin-bottom: 0;
}

.history-controls {
  display: grid;
  grid-template-columns: minmax(190px, 1fr) minmax(180px, 0.8fr);
  gap: 12px;
  width: min(100%, 600px);
}

.history-result {
  margin: 28px 0 12px;
  color: var(--muted);
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  background: var(--canvas-raised);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  position: sticky;
  top: 0;
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

td {
  color: var(--muted);
  font-size: 0.82rem;
}

td:first-child,
td:last-child {
  font-family: var(--font-code);
}

td:first-child {
  color: var(--ink);
  font-weight: 700;
}

td:last-child {
  color: var(--dim);
  font-size: 0.7rem;
}

.load-more {
  width: 100%;
  min-height: 48px;
  margin-top: 12px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--mineral);
  font-weight: 700;
}

.load-more:hover {
  border-color: var(--mineral);
  background: var(--mineral-dark);
}

.atlas-footer {
  display: flex;
  min-height: 94px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line-strong);
  padding: 20px var(--edge);
  background: var(--canvas-raised);
  color: var(--muted);
  font-size: 0.78rem;
}

.atlas-footer p:last-child {
  font-family: var(--font-code);
  text-align: right;
}

.noscript-message {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 90;
  border: 1px solid var(--error);
  padding: 16px;
  background: var(--canvas);
  color: var(--error);
}

@media (max-width: 1180px) {
  .atlas-header {
    grid-template-columns: minmax(220px, 0.75fr) minmax(360px, 1.25fr);
  }

  .rpg-link {
    display: none;
  }

  .intro-grid,
  .section-heading {
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  }

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

  .source-workbench {
    grid-template-columns: minmax(260px, 310px) minmax(0, 1fr);
  }

  .source-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .source-meta {
    border-top: 1px solid var(--line);
    border-left: 0;
    padding-top: 22px;
    padding-left: 0;
  }
}

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

  .wordmark {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .atlas-nav {
    overflow-x: auto;
    justify-content: flex-start;
  }

  .atlas-nav button,
  .atlas-nav a {
    flex: 1 0 150px;
  }

  .intro-grid,
  .section-heading,
  .overview-lower-grid,
  .source-workbench {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    align-items: start;
  }

  .headline-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .headline-metrics div {
    display: block;
    min-height: 110px;
    border-right: 1px solid var(--line);
    padding: 14px;
  }

  .headline-metrics dd {
    margin-top: 10px;
  }

  .filter-panel {
    position: static;
  }

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

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

  .history-header {
    display: grid;
  }

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

  .capability-detail-grid {
    grid-template-columns: 1fr;
  }

  .history-controls {
    width: 100%;
  }
}

@media (max-width: 680px) {
  :root {
    --edge: 16px;
  }

  body {
    font-size: 1rem;
    background-size: 32px 32px;
  }

  .atlas-intro {
    min-height: 0;
    padding-top: 64px;
  }

  .atlas-nav {
    flex-wrap: nowrap;
    overflow-x: hidden;
  }

  .atlas-nav button,
  .atlas-nav a {
    min-width: 0;
    flex: 1 1 33.333%;
    padding-inline: 8px;
    font-size: 0.82rem;
    white-space: normal;
  }

  .intro-grid h1 {
    font-size: clamp(2.75rem, 15vw, 4.3rem);
  }

  .intro-copy {
    font-size: 1rem;
  }

  .section-heading {
    gap: 22px;
  }

  .domain-grid,
  .latest-grid,
  .filter-grid,
  .history-controls,
  .capability-heading {
    grid-template-columns: 1fr;
  }

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

  .domain-card {
    min-height: 220px;
  }

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

  .version-metric:first-child {
    grid-column: 1 / -1;
  }

  .source-card-head,
  .result-bar {
    align-items: stretch;
  }

  .source-card-head {
    display: grid;
  }

  .badge-row {
    justify-content: flex-start;
  }

  .result-bar {
    display: grid;
    grid-template-columns: 1fr;
  }

  .result-bar label {
    margin-left: 0;
  }

  .result-bar select {
    width: 100%;
  }

  .source-meta div {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .latest-detail-grid {
    grid-template-columns: 1fr;
  }

  .atlas-footer {
    display: grid;
  }

  .atlas-footer p:last-child {
    text-align: left;
  }
}

@media (max-width: 420px) {
  .headline-metrics {
    grid-template-columns: 1fr;
  }

  .headline-metrics div {
    min-height: 78px;
    border-right: 0;
  }

  .version-metrics {
    grid-template-columns: 1fr;
  }

  .capability-grid,
  .capability-provenance > div {
    grid-template-columns: 1fr;
  }

  .version-metric:first-child {
    grid-column: auto;
  }

  .source-meta div {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (forced-colors: active) {
  .domain-card,
  .source-card,
  .latest-card,
  .filter-panel {
    border: 1px solid CanvasText;
  }

  .atlas-nav button[aria-current="page"] {
    outline: 2px solid Highlight;
    outline-offset: -4px;
  }
}