:root {
  --ink: #25313d;
  --muted: #5c6670;
  --line: #d8e0e7;
  --line-strong: #b8c4ce;
  --paper: #ffffff;
  --band: #f4f7f8;
  --blue: #2454a6;
  --blue-dark: #173b78;
  --blue-pale: #eaf1fa;
  --green: #2f8f6b;
  --green-pale: #eaf5f0;
  --orange: #b8662e;
  --orange-pale: #fbf0e8;
  --red: #a94f5f;
  --radius: 6px;
  --shadow: 0 7px 24px rgba(28, 47, 66, 0.08);
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
a,
select,
input,
summary {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(36, 84, 166, 0.35);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 9px 12px;
  color: white;
  background: var(--blue-dark);
  border-radius: var(--radius);
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 68px;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.header-inner {
  width: min(calc(100% - 40px), var(--content));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 280px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  color: white;
  background: var(--blue);
  border-radius: 4px;
  font-weight: 800;
  font-size: 12px;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.25;
}

.brand strong {
  font-size: 14px;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
}

.primary-nav a {
  padding: 22px 8px 20px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  color: var(--ink);
  background: white;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.icon-button svg {
  width: 19px;
  height: 19px;
}

.menu-button {
  display: none;
}

.page-band {
  width: 100%;
  padding: 76px 0;
  border-bottom: 1px solid var(--line);
}

.overview-band {
  padding-top: 58px;
}

.band-tinted {
  background: var(--band);
}

.content-shell {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 32px;
  align-items: start;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 940px;
  margin: 0;
  color: var(--blue-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 42px;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: 0;
}

.version-block {
  padding: 12px 0 12px 16px;
  border-left: 3px solid var(--orange);
}

.version-block span,
.version-block strong,
.version-block small {
  display: block;
}

.version-block span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.version-block strong {
  margin: 3px 0;
  color: var(--blue-dark);
  font-size: 28px;
}

.version-block small {
  color: var(--muted);
  font-size: 11px;
}

.doi-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 700;
  text-decoration: none;
}

.doi-link:hover,
.archive-link a:hover {
  text-decoration: underline;
}

.archive-link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin: 14px 0 0;
  font-size: 12px;
}

.archive-link span {
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
}

.archive-link a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 42px 0 36px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.metric-strip > div {
  min-height: 92px;
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}

.metric-strip > div:last-child {
  border-right: 0;
}

.metric-strip strong,
.metric-strip span {
  display: block;
}

.site-map {
  margin: 0 0 36px;
}

.site-map h2 {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-size: 18px;
}

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

.site-map-links a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 18px;
  gap: 10px;
  align-items: center;
  min-height: 72px;
  padding: 12px 14px 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.site-map-links a:not(:nth-child(3n)) {
  margin-right: 22px;
}

.site-map-links a > span {
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
}

.site-map-links strong,
.site-map-links small {
  display: block;
}

.site-map-links strong {
  font-size: 13px;
}

.site-map-links small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.site-map-links svg {
  width: 16px;
  color: var(--blue);
}

.site-map-links a:hover strong {
  color: var(--blue);
}

.metric-strip strong {
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  line-height: 1.1;
}

.metric-strip span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.edition-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.edition-panel {
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: var(--radius);
  background: white;
  box-shadow: var(--shadow);
}

.edition-second {
  border-top-color: var(--green);
}

.edition-panel header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 20px 22px 14px;
}

.edition-year {
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  font-weight: 700;
}

.edition-second .edition-year {
  color: var(--green);
}

.edition-panel h2 {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.edition-panel dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0 22px;
}

.edition-panel dl div {
  min-height: 76px;
  padding: 12px 12px 10px 0;
  border-top: 1px solid var(--line);
}

.edition-panel dt {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
}

.edition-panel dd {
  margin: 5px 0 0;
  color: var(--ink);
  font-size: 21px;
  font-weight: 800;
}

.scale-comparison-section {
  margin-top: 48px;
  padding-top: 2px;
  border-top: 1px solid var(--line-strong);
}

.scale-comparison-section .section-subheading {
  margin-top: 32px;
}

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

.scale-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 62px;
  gap: 18px;
  align-items: center;
  min-height: 88px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.scale-label strong,
.scale-label small {
  display: block;
}

.scale-label strong {
  font-size: 13px;
}

.scale-label small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.scale-bars {
  display: grid;
  gap: 7px;
}

.scale-bar {
  display: grid;
  grid-template-columns: 38px minmax(80px, 1fr) 74px;
  gap: 9px;
  align-items: center;
}

.scale-bar > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.scale-bar > div {
  height: 10px;
  background: #e6ebef;
  border-radius: 2px;
  overflow: hidden;
}

.scale-bar b {
  display: block;
  height: 100%;
  min-width: 2px;
  background: var(--blue);
}

.scale-bar.later b {
  background: var(--green);
}

.scale-bar > strong {
  font-size: 11px;
}

.scale-change {
  color: var(--green);
  text-align: right;
  font-size: 14px;
  font-weight: 800;
}

.scale-change.decrease {
  color: var(--muted);
}

.track-line {
  margin: 8px 22px 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
}

.track-line span {
  margin-right: 7px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.boundary-note {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-top: 24px;
  padding: 15px 18px;
  background: var(--blue-pale);
  border-left: 3px solid var(--blue);
}

.boundary-note svg {
  width: 21px;
  height: 21px;
  color: var(--blue);
}

.boundary-note p {
  margin: 0;
  font-size: 13px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 36px;
}

.section-heading h2,
.boundary-layout h2 {
  margin: 0;
  color: var(--blue-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: 0;
}

.section-heading > p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
}

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

.rq-item {
  display: grid;
  grid-template-columns: 70px minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.rq-code {
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  font-weight: 700;
}

.rq-question {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.42;
  font-weight: 700;
}

.rq-meta {
  display: grid;
  gap: 8px;
  align-content: start;
}

.rq-meta p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.rq-meta strong {
  color: var(--ink);
}

.two-column-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 54px;
}

.design-grid {
  margin-top: 52px;
}

.design-grid h3,
.section-subheading h3,
.interdisciplinary-section h3,
.access-layout h3 {
  margin: 0 0 18px;
  color: var(--blue-dark);
  font-size: 19px;
}

.evidence-ladder {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.evidence-ladder li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.evidence-ladder li > span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
}

.evidence-ladder strong {
  font-size: 14px;
}

.evidence-ladder p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.evidence-ladder .future {
  color: var(--green);
  background: var(--green-pale);
}

.evidence-ladder .future > span,
.evidence-ladder .future div {
  padding-left: 8px;
}

.objective-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.objective-item {
  min-height: 110px;
  padding: 14px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.objective-item.support {
  border-color: #c9b195;
  background: var(--orange-pale);
}

.objective-item.priority {
  border-color: #9bc5b7;
  background: var(--green-pale);
}

.objective-item span {
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
}

.objective-item strong {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.35;
}

.objective-item small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
}

.trace-list {
  display: grid;
  gap: 18px;
}

.trace-item {
  display: grid;
  grid-template-columns: 56px repeat(4, minmax(0, 1fr));
  gap: 0;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.trace-id {
  display: grid;
  place-items: center;
  color: white;
  background: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.trace-stage {
  position: relative;
  min-height: 145px;
  padding: 18px;
  border-right: 1px solid var(--line);
}

.trace-stage:last-child {
  border-right: 0;
}

.trace-stage:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 27px;
  right: -5px;
  width: 9px;
  height: 9px;
  background: white;
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  transform: rotate(45deg);
  z-index: 2;
}

.trace-stage span {
  color: var(--green);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.trace-stage p {
  margin: 7px 0 0;
  font-size: 12px;
  line-height: 1.5;
}

.section-subheading {
  max-width: 760px;
  margin: 54px 0 20px;
}

.section-subheading p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.sequence-evidence {
  margin-top: 54px;
  padding: 30px 0 34px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.sequence-evidence .section-subheading {
  margin: 0 0 20px;
}

.sequence-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.sequence-edition {
  padding: 20px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.sequence-edition header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.sequence-edition header strong {
  font-size: 16px;
}

.sequence-edition header span,
.sequence-edition small {
  color: var(--muted);
  font-size: 11px;
}

.sequence-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 7px 0;
}

.sequence-stat b {
  min-width: 44px;
  font-size: 22px;
}

.sequence-stat span {
  color: var(--muted);
  font-size: 12px;
}

.sequence-stat.accent b {
  color: var(--green);
}

.sequence-meter {
  height: 8px;
  margin: 16px 0 8px;
  overflow: hidden;
  background: #e6ebef;
  border-radius: 2px;
}

.sequence-meter b {
  display: block;
  height: 100%;
  background: var(--green);
}

.track-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.track-panel {
  padding: 20px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.track-panel header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.track-panel h4 {
  margin: 0;
  font-size: 15px;
}

.track-panel header span {
  color: var(--muted);
  font-size: 11px;
}

.track-bars {
  display: grid;
  gap: 13px;
}

.track-bar {
  display: grid;
  grid-template-columns: 140px minmax(80px, 1fr) 38px;
  gap: 10px;
  align-items: center;
}

.track-bar label {
  font-size: 12px;
}

.track-bar > div {
  height: 13px;
  background: #e6ebef;
  border-radius: 2px;
  overflow: hidden;
}

.track-bar b {
  display: block;
  height: 100%;
  background: var(--blue);
}

.track-panel.later .track-bar b {
  background: var(--green);
}

.track-bar strong {
  text-align: right;
  font-size: 12px;
}

.rover-case {
  margin-top: 58px;
  padding: 34px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.rover-case-heading {
  max-width: 760px;
}

.rover-case-heading h3 {
  margin: 6px 0 10px;
}

.rover-case-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.rover-case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 24px;
  background: var(--line);
  border: 1px solid var(--line);
}

.rover-case-grid > div {
  display: grid;
  align-content: start;
  gap: 9px;
  min-width: 0;
  padding: 18px;
  background: white;
}

.rover-case-grid svg {
  width: 20px;
  height: 20px;
  color: var(--green);
}

.rover-case-grid strong {
  font-size: 13px;
}

.rover-case-grid span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.inline-data-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.inline-data-link svg {
  width: 18px;
  height: 18px;
}

.interdisciplinary-section {
  margin-top: 58px;
  padding-top: 2px;
  border-top: 1px solid var(--line-strong);
}

.discipline-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "computing core social"
    "physics core professional";
  gap: 18px;
  align-items: stretch;
}

.discipline-map::before,
.discipline-map::after {
  content: "";
  position: absolute;
  z-index: 0;
  background: var(--line-strong);
}

.discipline-map::before {
  top: 50%;
  left: 15%;
  right: 15%;
  height: 1px;
}

.discipline-map::after {
  top: 20%;
  bottom: 20%;
  left: 50%;
  width: 1px;
}

.discipline-node,
.discipline-core {
  position: relative;
  z-index: 1;
  min-height: 126px;
  padding: 18px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.discipline-core {
  grid-area: core;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}

.discipline-node.computing { grid-area: computing; }
.discipline-node.social { grid-area: social; border-top: 3px solid var(--green); }
.discipline-node.physics { grid-area: physics; border-top: 3px solid var(--orange); }
.discipline-node.professional { grid-area: professional; border-top: 3px solid var(--red); }

.discipline-node svg,
.discipline-core svg {
  width: 22px;
  height: 22px;
  margin-bottom: 10px;
  color: var(--blue);
}

.discipline-core svg {
  color: white;
}

.discipline-node strong,
.discipline-node span,
.discipline-core strong,
.discipline-core span {
  display: block;
}

.discipline-node strong,
.discipline-core strong {
  font-size: 14px;
}

.discipline-node span,
.discipline-core span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
}

.discipline-core span {
  max-width: 210px;
  color: #dbe7f6;
}

.questionnaire-controls,
.explorer-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.questionnaire-controls label,
.explorer-toolbar label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

select,
input[type="search"] {
  min-height: 40px;
  color: var(--ink);
  background: white;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
}

select {
  max-width: 560px;
  padding: 8px 34px 8px 10px;
}

.question-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 20px 0;
}

.question-summary h3 {
  margin: 0;
  font-size: 18px;
}

.question-summary p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.question-rule {
  padding: 8px 10px;
  color: var(--blue-dark);
  background: var(--blue-pale);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 800;
}

.distribution-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.distribution-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.distribution-panel header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.distribution-panel h4 {
  margin: 0;
  color: var(--blue-dark);
  font-size: 17px;
}

.distribution-panel header span {
  color: var(--muted);
  font-size: 11px;
}

.response-bars {
  display: grid;
  gap: 11px;
}

.response-row {
  display: grid;
  grid-template-columns: 100px minmax(100px, 1fr) 70px;
  gap: 10px;
  align-items: center;
}

.response-label {
  font-size: 11px;
  text-transform: capitalize;
}

.response-track {
  height: 15px;
  background: #e9edf0;
  border-radius: 2px;
  overflow: hidden;
}

.response-fill {
  display: block;
  height: 100%;
  background: var(--blue);
}

.distribution-panel.later .response-fill {
  background: var(--green);
}

.response-value {
  text-align: right;
  font-size: 11px;
  font-weight: 700;
}

.full-table-disclosure {
  margin-top: 28px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.full-table-disclosure summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  list-style: none;
}

.full-table-disclosure summary::-webkit-details-marker {
  display: none;
}

.full-table-disclosure summary svg {
  width: 18px;
  transition: transform 160ms ease;
}

.full-table-disclosure[open] summary svg {
  transform: rotate(180deg);
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

th,
td {
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  position: sticky;
  top: 0;
  z-index: 2;
  color: white;
  background: var(--blue-dark);
  font-size: 10px;
  white-space: nowrap;
}

tbody tr:nth-child(even) {
  background: #f7f9fa;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.process-grid > div {
  min-height: 128px;
  padding: 18px 14px;
  border-right: 1px solid var(--line);
}

.process-grid > div:last-child {
  border-right: 0;
}

.process-grid span,
.process-grid strong,
.process-grid small {
  display: block;
}

.process-grid span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.process-grid strong {
  margin: 9px 0 3px;
  color: var(--green);
  font-size: 25px;
  line-height: 1.1;
}

.process-grid small {
  color: var(--muted);
  font-size: 10px;
}

.access-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 60px;
  margin-top: 46px;
}

.reach-bars {
  display: grid;
  gap: 18px;
}

.reach-bars > div {
  display: grid;
  grid-template-columns: 170px minmax(80px, 1fr) 32px;
  gap: 10px;
  align-items: center;
}

.reach-bars span,
.reach-bars strong {
  font-size: 12px;
}

.reach-bars > div > div {
  height: 17px;
  background: #dfe5e8;
}

.reach-bars b {
  display: block;
  height: 100%;
  background: var(--green);
}

.reach-bars strong {
  text-align: right;
}

.capacity-scale {
  display: grid;
  grid-template-columns: 1fr 0.4fr 0.6fr 0;
  color: var(--muted);
  font-size: 10px;
}

.capacity-line {
  position: relative;
  height: 15px;
  margin: 5px 0 18px;
  overflow: hidden;
  background: #dfe5e8;
  border-radius: 2px;
}

.capacity-line::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 70%;
  content: "";
  background: var(--green);
}

.operating-cap {
  position: absolute;
  top: -6px;
  bottom: -6px;
  width: 2px;
  background: var(--blue-dark);
}

.capacity-figure dl {
  margin: 0;
  border-top: 1px solid var(--line);
}

.capacity-figure dl div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.capacity-figure dt {
  color: var(--muted);
  font-size: 11px;
}

.capacity-figure dd {
  margin: 0;
  font-size: 11px;
  font-weight: 800;
}

.warm-note {
  background: var(--orange-pale);
  border-left-color: var(--orange);
}

.warm-note svg {
  color: var(--orange);
}

.explorer-toolbar {
  flex-wrap: wrap;
}

.explorer-toolbar select {
  min-width: 260px;
}

.search-label {
  margin-left: 14px;
}

.search-control {
  position: relative;
  min-width: 260px;
  flex: 1;
}

.search-control svg {
  position: absolute;
  top: 11px;
  left: 11px;
  width: 17px;
  height: 17px;
  color: var(--muted);
}

.search-control input {
  width: 100%;
  padding: 8px 10px 8px 36px;
}

.row-count {
  margin-left: auto;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.data-table-wrap {
  max-height: 620px;
  border-bottom: 1px solid var(--line-strong);
}

.data-table-wrap table {
  min-width: 920px;
}

.reproducibility-band {
  background: #eef4f1;
}

.validation-panel {
  display: grid;
  grid-template-columns: 220px 190px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 22px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.validation-status {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
}

.validation-status svg {
  grid-row: 1 / 3;
  width: 24px;
  height: 24px;
  color: var(--green);
}

.validation-status span,
.validation-count span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.validation-status strong,
.validation-count strong {
  display: block;
  color: var(--green);
  font-size: 23px;
  line-height: 1.15;
}

.validation-panel > p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.repro-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 36px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.repro-flow > div {
  min-height: 150px;
  padding: 20px;
  border-right: 1px solid var(--line);
}

.repro-flow > div:last-child {
  border-right: 0;
}

.repro-flow span {
  display: block;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
}

.repro-flow strong {
  display: block;
  margin-top: 8px;
  font-size: 15px;
}

.repro-flow p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.repro-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.repro-links a {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 10px 12px;
  color: var(--blue-dark);
  background: white;
  border: 1px solid var(--line);
  border-radius: 4px;
  text-decoration: none;
  font-size: 11px;
  font-weight: 800;
}

.repro-links a:hover {
  border-color: var(--blue);
}

.repro-links svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  color: var(--green);
}

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

.document-list article {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 92px;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.document-list article > svg {
  width: 26px;
  height: 26px;
  color: var(--blue);
}

.document-list h3 {
  margin: 0;
  font-size: 15px;
}

.document-list p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 12px;
  color: white;
  background: var(--blue);
  border-radius: 4px;
  text-decoration: none;
  font-size: 11px;
  font-weight: 800;
}

.download-button:hover {
  background: var(--blue-dark);
}

.download-button svg {
  width: 16px;
  height: 16px;
}

.boundary-band {
  color: white;
  background: #283740;
  border-bottom: 0;
}

.boundary-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.boundary-layout h2 {
  color: white;
}

.boundary-layout .eyebrow {
  color: #77c9a8;
}

.boundary-layout ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.boundary-layout li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 13px;
}

.site-footer {
  color: #d9e0e4;
  background: #1d292f;
}

.footer-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner strong,
.footer-inner span {
  display: block;
}

.footer-inner strong {
  color: white;
  font-size: 13px;
}

.footer-inner span {
  margin-top: 3px;
  font-size: 11px;
}

.footer-inner a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: white;
  text-decoration: none;
  font-size: 11px;
  font-weight: 800;
}

.footer-inner a svg {
  width: 16px;
}

@media (max-width: 1040px) {
  .menu-button {
    display: inline-grid;
  }

  .primary-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 20px 14px;
    background: white;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .primary-nav.open {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .primary-nav a {
    padding: 11px 10px;
    border: 0;
    border-radius: 4px;
  }

  .primary-nav a:hover,
  .primary-nav a.active {
    background: var(--blue-pale);
  }

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

  .process-grid > div:nth-child(3) {
    border-right: 0;
  }

  .process-grid > div:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .validation-panel {
    grid-template-columns: 1fr 1fr;
  }

  .validation-panel > p {
    grid-column: 1 / 3;
  }
}

@media (max-width: 820px) {
  .page-band {
    padding: 58px 0;
  }

  .overview-band {
    padding-top: 40px;
  }

  h1 {
    font-size: 38px;
  }

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

  .site-map-links a:not(:nth-child(3n)) {
    margin-right: 0;
  }

  .site-map-links a:nth-child(odd) {
    margin-right: 20px;
  }

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

  .metric-strip > div:nth-child(3) {
    border-right: 0;
  }

  .metric-strip > div:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .edition-comparison,
  .two-column-layout,
  .sequence-summary,
  .track-panels,
  .distribution-panels,
  .access-layout,
  .boundary-layout {
    grid-template-columns: 1fr;
  }

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

  .rq-item {
    grid-template-columns: 62px minmax(0, 1fr);
  }

  .rq-meta {
    grid-column: 2;
  }

  .trace-item {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .trace-id {
    grid-row: 1 / span 4;
  }

  .trace-stage {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trace-stage:last-child {
    border-bottom: 0;
  }

  .trace-stage::after {
    display: none;
  }

  .discipline-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "core core"
      "computing social"
      "physics professional";
  }

  .discipline-map::before,
  .discipline-map::after {
    display: none;
  }

  .boundary-layout {
    gap: 34px;
  }

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

@media (max-width: 580px) {
  html {
    scroll-padding-top: 64px;
  }

  .site-header,
  .header-inner {
    min-height: 60px;
  }

  .header-inner,
  .content-shell {
    width: min(calc(100% - 28px), var(--content));
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }

  .brand strong {
    font-size: 12px;
  }

  .brand small {
    font-size: 9px;
  }

  .primary-nav {
    top: 60px;
  }

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

  .page-band {
    padding: 48px 0;
  }

  .title-row {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  h1 {
    font-size: 30px;
  }

  .section-heading h2,
  .boundary-layout h2 {
    font-size: 28px;
  }

  .version-block {
    max-width: 170px;
  }

  .site-map-links {
    grid-template-columns: 1fr;
  }

  .site-map-links a:nth-child(odd) {
    margin-right: 0;
  }

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

  .metric-strip > div:nth-child(3) {
    border-right: 1px solid var(--line);
  }

  .metric-strip > div:nth-child(-n + 3) {
    border-bottom: 0;
  }

  .metric-strip > div:nth-child(2n) {
    border-right: 0;
  }

  .metric-strip > div:nth-child(-n + 4) {
    border-bottom: 1px solid var(--line);
  }

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

  .scale-row {
    grid-template-columns: minmax(0, 1fr) 54px;
    gap: 8px 12px;
  }

  .scale-label {
    grid-column: 1;
  }

  .scale-bars {
    grid-column: 1 / span 2;
    grid-row: 2;
  }

  .scale-change {
    grid-column: 2;
    grid-row: 1;
  }

  .rq-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .rq-meta {
    grid-column: 1;
  }

  .objective-list,
  .discipline-map,
  .boundary-layout ul {
    grid-template-columns: 1fr;
  }

  .discipline-map {
    grid-template-areas:
      "core"
      "computing"
      "social"
      "physics"
      "professional";
  }

  .track-bar {
    grid-template-columns: 105px minmax(60px, 1fr) 34px;
  }

  .questionnaire-controls,
  .explorer-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  select,
  .explorer-toolbar select,
  .search-control {
    width: 100%;
    max-width: none;
    min-width: 0;
  }

  .search-label {
    margin-left: 0;
  }

  .question-summary {
    grid-template-columns: 1fr;
  }

  .rover-case-grid {
    grid-template-columns: 1fr;
  }

  .question-rule {
    justify-self: start;
  }

  .response-row {
    grid-template-columns: 78px minmax(80px, 1fr) 60px;
  }

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

  .process-grid > div,
  .process-grid > div:nth-child(3) {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .process-grid > div:nth-child(2n) {
    border-right: 0;
  }

  .process-grid > div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .reach-bars > div {
    grid-template-columns: 120px minmax(60px, 1fr) 28px;
  }

  .validation-panel,
  .repro-flow,
  .repro-links {
    grid-template-columns: 1fr;
  }

  .validation-panel > p {
    grid-column: 1;
  }

  .repro-flow > div {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .repro-flow > div:last-child {
    border-bottom: 0;
  }

  .document-list article {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .download-button {
    grid-column: 2;
    justify-self: start;
    min-width: 88px;
  }

  .footer-inner {
    min-height: 110px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

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

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