:root {
  color-scheme: dark;
  --bg: #06110f;
  --bg-raised: #0a1916;
  --surface: #10231f;
  --surface-strong: #152d27;
  --text: #edf7f3;
  --text-muted: #9bada7;
  --text-faint: #879b95;
  --accent: #45d6b3;
  --accent-bright: #7ce8cf;
  --accent-cool: #58bdc4;
  --line: rgba(124, 232, 207, 0.16);
  --line-strong: rgba(124, 232, 207, 0.32);
  --line-faint: rgba(237, 247, 243, 0.08);
  --page-gutter: clamp(1rem, 3.5vw, 6rem);
  --shell-wide: 1900px;
  --shell-content: 1560px;
  --radius: 6px;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

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

body {
  min-width: 320px;
  margin: 0;
  border-top: 3px solid var(--accent);
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

main,
section,
div,
p,
figure,
article,
header,
footer,
nav {
  min-width: 0;
}

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

a {
  color: inherit;
}

button,
summary {
  color: inherit;
  font: inherit;
}

button {
  appearance: none;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

:focus-visible {
  outline: 3px solid var(--accent-bright);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  transform: translateY(-170%);
  border-radius: var(--radius);
  background: var(--accent-bright);
  color: var(--bg);
  font-weight: 800;
  text-decoration: none;
}

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

.site-header,
.atlas-story-shell,
.featured-shell,
.site-footer {
  width: min(var(--shell-wide), calc(100% - (2 * var(--page-gutter))));
  margin-inline: auto;
}

.section-shell {
  width: min(var(--shell-content), calc(100% - (2 * var(--page-gutter))));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 50;
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line-faint);
}

.brand {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--text);
  font-weight: 820;
  text-decoration: none;
}

.brand-mark {
  width: 2.2rem;
  height: 2.2rem;
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--accent-bright);
  font-size: 0.74rem;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 720;
}

.site-nav a {
  position: relative;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: color var(--transition);
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.3rem;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  content: "";
  transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-current {
  color: var(--text);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-current::after {
  transform: scaleX(1);
}

.mobile-index {
  display: none;
}

.eyebrow,
.atlas-caption,
.atlas-legend,
.system-meta,
.index-category,
.index-code,
.index-status,
.lineage-state,
.lineage-index,
.atlas-node-index,
.atlas-node-meta {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 1.2rem;
  color: var(--accent-bright);
  font-size: 0.73rem;
  font-weight: 820;
  line-height: 1.3;
}

.atlas-story {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.atlas-story::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 34%;
  height: 100%;
  border-left: 1px solid var(--line-faint);
  background: var(--bg-raised);
  content: "";
  pointer-events: none;
}

.atlas-story-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(29rem, 0.82fr) minmax(40rem, 1.18fr);
  align-items: start;
  gap: clamp(4rem, 6vw, 9rem);
}

.hero-copy {
  grid-column: 1;
  grid-row: 1;
  min-height: calc(88svh - 5.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 45rem;
  padding-block: 7rem 6rem;
}

.hero-copy h1 {
  max-width: 8ch;
  margin: 0;
  color: var(--text);
  font-size: 7.1rem;
  font-weight: 860;
  letter-spacing: 0;
  line-height: 0.92;
}

.hero-intro {
  max-width: 39rem;
  margin: 2.2rem 0 0;
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1.46;
}

.hero-detail {
  max-width: 38rem;
  margin: 1.15rem 0 0;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.4rem;
}

.button {
  min-height: 3.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.8rem 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 0.94rem;
  font-weight: 790;
  text-decoration: none;
  transition: border-color var(--transition), background-color var(--transition), color var(--transition), transform var(--transition);
}

.button svg,
.system-link svg,
.elsewhere-link svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg);
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: var(--accent-bright);
  background: var(--accent-bright);
  transform: translateY(-2px);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--accent-bright);
  background: var(--surface);
  color: var(--accent-bright);
  transform: translateY(-2px);
}

.atlas-figure {
  position: sticky;
  top: 2rem;
  height: calc(100svh - 4rem);
  min-height: 42rem;
  max-height: 62rem;
  display: flex;
  flex-direction: column;
  align-self: start;
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--bg-raised);
}

.atlas-caption,
.atlas-legend {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-faint);
  font-size: 0.7rem;
  font-weight: 760;
}

.atlas-caption {
  min-height: 3.2rem;
  padding-inline: 1.1rem;
  border-bottom: 1px solid var(--line);
}

.atlas-map {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.atlas-map::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: 2rem 2rem;
  content: "";
  opacity: 0.42;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
}

.topology-routes {
  position: absolute;
  inset: 2.5% 1.5%;
  z-index: 1;
  width: 97%;
  height: 95%;
  overflow: visible;
}

.topology-guides path {
  fill: none;
  stroke: var(--line-faint);
  stroke-width: 1;
}

.topology-route {
  fill: none;
  stroke: var(--line-strong);
  stroke-dasharray: 1;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  transition: stroke var(--transition), stroke-width var(--transition), opacity var(--transition);
}

.topology-route.is-active {
  stroke: var(--accent-bright);
  stroke-width: 3.5;
  animation: route-draw 420ms ease-out both;
}

@keyframes route-draw {
  from {
    stroke-dashoffset: 1;
  }
  to {
    stroke-dashoffset: 0;
  }
}

.topology-junctions circle {
  fill: var(--bg-raised);
  stroke: var(--line-strong);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.topology-support {
  opacity: 0.34;
  transition: opacity var(--transition);
}

.topology-support.is-active {
  opacity: 1;
}

.topology-support circle {
  fill: var(--accent-cool);
}

.topology-support path {
  fill: none;
  stroke: var(--accent-cool);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.topology-support text,
.topology-annotations text {
  fill: var(--text-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.topology-support.is-active text {
  fill: var(--accent-bright);
}

.atlas-node {
  position: absolute;
  z-index: 2;
  width: 13.2rem;
  min-height: 4.8rem;
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  grid-template-rows: auto auto;
  align-content: center;
  padding: 0.7rem 0.8rem;
  border-top: 1px solid var(--line-strong);
  border-left: 2px solid transparent;
  background: rgba(6, 17, 15, 0.84);
  color: var(--text-muted);
  text-decoration: none;
  transition: border-color var(--transition), background-color var(--transition), color var(--transition), transform var(--transition);
}

.atlas-node:hover,
.atlas-node:focus-visible,
.atlas-node.is-active {
  border-left-color: var(--accent-bright);
  background: var(--surface);
  color: var(--text);
  transform: translateX(4px);
}

.atlas-node.is-active::after {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--bg-raised);
  border-radius: 50%;
  background: var(--accent-bright);
  content: "";
}

.atlas-node-index {
  grid-row: 1 / span 2;
  color: var(--accent-cool);
  font-size: 0.69rem;
  font-weight: 760;
}

.atlas-node-label {
  font-size: 0.94rem;
  font-weight: 780;
  line-height: 1.25;
}

.atlas-node-meta {
  margin-top: 0.18rem;
  color: var(--text-faint);
  font-size: 0.64rem;
  line-height: 1.35;
}

.atlas-node-decision {
  top: 8%;
  left: 2%;
}

.atlas-node-tools {
  top: 27%;
  left: 25%;
}

.atlas-node-knowledge {
  bottom: 9%;
  left: 8%;
}

.atlas-node-infrastructure {
  top: 52%;
  left: 55%;
}

.atlas-node-products {
  top: 17%;
  right: 1%;
}

.atlas-node-experiments {
  right: 0;
  bottom: 9%;
}

.atlas-legend {
  min-height: 3rem;
  padding-inline: 1.1rem;
  border-top: 1px solid var(--line);
}

.atlas-legend span:last-child {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.atlas-legend i {
  width: 1.8rem;
  height: 2px;
  display: inline-block;
  background: var(--accent-bright);
}

.lineage-copy {
  grid-column: 1;
  grid-row: 2;
  padding-block: 5rem 4rem;
  border-top: 1px solid var(--line-strong);
}

.lineage-heading {
  max-width: 43rem;
  padding-bottom: 4.5rem;
}

.lineage-heading h2,
.systems-intro h2,
.index-heading h2,
.approach-heading h2,
.elsewhere-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: 4.6rem;
  font-weight: 820;
  letter-spacing: 0;
  line-height: 0.98;
}

.lineage-heading > p:last-child {
  max-width: 36rem;
  margin: 1.5rem 0 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.lineage-stages {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.lineage-stages::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 2.15rem;
  width: 1px;
  background: var(--line);
  content: "";
}

.lineage-stage {
  position: relative;
  min-height: 38svh;
  display: grid;
  grid-template-columns: 4.4rem 1fr;
  align-items: center;
  gap: 1.6rem;
  padding-block: 3.5rem;
  border-top: 1px solid var(--line);
  transition: border-color var(--transition), transform var(--transition);
}

.lineage-stage:last-child {
  border-bottom: 1px solid var(--line);
}

.lineage-stage.is-atlas-active {
  border-top-color: var(--accent-bright);
  transform: translateX(5px);
}

.lineage-index {
  position: relative;
  z-index: 1;
  width: 4.3rem;
  height: 4.3rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-faint);
  font-size: 0.7rem;
  font-weight: 760;
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}

.lineage-stage.is-atlas-active .lineage-index {
  border-color: var(--accent-bright);
  background: var(--accent-bright);
  color: var(--bg);
}

.lineage-state {
  color: var(--accent-cool);
  font-size: 0.68rem;
  font-weight: 720;
}

.lineage-stage h3 {
  margin: 0.45rem 0 0;
  color: var(--text);
  font-size: 2.3rem;
  font-weight: 790;
  letter-spacing: 0;
  line-height: 1.05;
}

.lineage-stage p {
  max-width: 32rem;
  margin: 0.8rem 0 0;
  color: var(--text-muted);
}

.systems-intro {
  padding-block: 10rem 6rem;
}

.systems-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  align-items: end;
  gap: 5rem;
}

.systems-intro h2 {
  max-width: 13ch;
}

.systems-intro-grid > p,
.index-heading > p,
.elsewhere-heading > p {
  max-width: 34rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 1.03rem;
}

.featured-system {
  position: relative;
  border-top: 1px solid var(--line);
  transition: border-color var(--transition);
}

.featured-system.is-atlas-active {
  border-top-color: var(--accent-bright);
}

.featured-system-roundtable,
.featured-system-knowledge {
  background: var(--bg-raised);
}

.featured-shell {
  min-height: 46rem;
  display: grid;
  grid-template-columns: minmax(24rem, 0.76fr) minmax(34rem, 1.24fr);
  align-items: center;
  gap: clamp(4rem, 8vw, 11rem);
  padding-block: 7rem;
}

.featured-copy {
  max-width: 43rem;
}

.system-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
  color: var(--text-faint);
  font-size: 0.69rem;
  font-weight: 720;
}

.featured-system.is-atlas-active .system-meta {
  border-color: var(--accent-bright);
}

.featured-copy h3 {
  margin: 2rem 0 0;
  color: var(--text);
  font-size: 6rem;
  font-weight: 850;
  letter-spacing: 0;
  line-height: 0.94;
}

.featured-copy > p {
  max-width: 37rem;
  margin: 1.5rem 0 0;
  color: var(--text-muted);
  font-size: 1.2rem;
  line-height: 1.55;
}

.system-link {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  color: var(--accent-bright);
  font-weight: 780;
  text-decoration: none;
}

.system-link svg {
  transition: transform var(--transition);
}

.system-link:hover svg,
.system-link:focus-visible svg {
  transform: translateX(4px);
}

.system-privacy {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.8rem;
  color: var(--text-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 720;
  text-transform: uppercase;
}

.system-privacy::before {
  width: 0.48rem;
  height: 0.48rem;
  border: 1px solid var(--accent-cool);
  border-radius: 50%;
  content: "";
}

.featured-visual,
.home-system-visual,
.knowledge-visual {
  position: relative;
}

.featured-visual::before,
.home-system-visual::before,
.knowledge-visual::before {
  position: absolute;
  inset: 8%;
  z-index: 0;
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: 2.25rem 2.25rem;
  content: "";
  opacity: 0.3;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(circle, #000 25%, transparent 72%);
  mask-image: radial-gradient(circle, #000 25%, transparent 72%);
}

.featured-visual svg,
.home-system-visual svg,
.knowledge-visual svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
}

.roundtable-mark-field {
  position: relative;
  aspect-ratio: 760 / 520;
}

.roundtable-mark-field > svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.roundtable-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: min(46%, 20rem);
  height: auto;
  transform: translate(-50%, -50%);
}

.visual-rule {
  fill: none;
  stroke: var(--line-faint);
  stroke-width: 1;
}

.visual-orbit {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 2;
}

.visual-orbit-inner {
  stroke-dasharray: 7 8;
}

.visual-nodes circle {
  fill: var(--bg-raised);
  stroke: var(--accent-cool);
  stroke-width: 3;
}

.featured-shell-home {
  grid-template-columns: minmax(24rem, 0.8fr) minmax(34rem, 1.2fr);
  grid-template-rows: 1fr auto;
}

.featured-shell-home .featured-copy {
  grid-row: 1 / span 2;
}

.home-ring {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 2;
}

.home-ring-inner {
  stroke: var(--accent-cool);
  stroke-dasharray: 5 8;
}

.home-core {
  fill: var(--surface-strong);
  stroke: var(--accent-bright);
  stroke-width: 2;
}

.home-core-lines,
.home-spokes {
  fill: none;
  stroke: var(--accent-cool);
  stroke-width: 2;
}

.home-points circle {
  fill: var(--bg);
  stroke: var(--accent-bright);
  stroke-width: 2;
}

.home-node-labels {
  fill: var(--text-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 16px;
  font-weight: 780;
}

.system-inventory {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.system-inventory li {
  min-height: 3.1rem;
  display: flex;
  align-items: center;
  padding: 0.6rem 0.7rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  gap: 0.55rem;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.system-inventory li span {
  color: var(--accent-cool);
  font-size: 0.64rem;
}

.featured-shell-knowledge {
  grid-template-columns: minmax(34rem, 1.2fr) minmax(24rem, 0.8fr);
}

.knowledge-sheet {
  fill: var(--bg-raised);
  stroke: var(--line-strong);
  stroke-width: 2;
}

.knowledge-sheet-mid {
  fill: var(--surface);
}

.knowledge-sheet-front {
  fill: var(--surface-strong);
  stroke: var(--accent-cool);
}

.knowledge-lines,
.knowledge-graph path {
  fill: none;
  stroke: var(--accent-cool);
  stroke-width: 2;
}

.knowledge-graph circle {
  fill: var(--bg-raised);
  stroke: var(--accent-bright);
  stroke-width: 3;
}

.knowledge-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.knowledge-actions li {
  padding: 0.65rem 1rem 0.65rem 0;
  color: var(--text-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.knowledge-actions li:not(:last-child)::after {
  margin-left: 1rem;
  color: var(--accent-cool);
  content: "/";
}

.system-index {
  padding-block: 10rem;
}

.index-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.7fr);
  align-items: end;
  gap: 5rem;
  padding-bottom: 4rem;
}

.index-heading h2 {
  max-width: 13ch;
}

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

.index-row {
  position: relative;
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) minmax(9rem, auto);
  align-items: center;
  gap: 2rem;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--transition), background-color var(--transition), padding var(--transition);
}

.index-row.is-atlas-active,
.index-row-link:hover,
.index-row-link:focus-visible {
  padding-inline: 1rem;
  border-bottom-color: var(--accent-bright);
  background: var(--bg-raised);
}

.index-row.is-atlas-active::before,
.index-row-link:hover::before,
.index-row-link:focus-visible::before {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 0;
  width: 2px;
  background: var(--accent-bright);
  content: "";
}

.index-code,
.index-category,
.index-status {
  color: var(--text-faint);
  font-size: 0.69rem;
}

.index-row-link {
  color: inherit;
  cursor: pointer;
  text-decoration: none;
}

.index-row-foundational .index-code,
.index-row-foundational .index-status {
  color: var(--accent-cool);
}

.index-copy h3 {
  margin: 0.35rem 0 0;
  color: var(--text);
  font-size: 1.75rem;
  font-weight: 780;
  letter-spacing: 0;
  line-height: 1.15;
}

.index-copy p {
  max-width: 47rem;
  margin: 0.55rem 0 0;
  color: var(--text-muted);
}

.index-status {
  justify-self: end;
  text-align: right;
}

.index-status-public {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--accent-cool);
}

.index-status-public svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  transition: transform var(--transition);
}

.index-row-link:hover .index-status-public svg,
.index-row-link:focus-visible .index-status-public svg {
  transform: translate(2px, -2px);
}

.approach {
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.approach-shell {
  display: grid;
  grid-template-columns: minmax(22rem, 0.8fr) minmax(0, 1.2fr);
  gap: 7rem;
  padding-block: 8rem;
}

.approach-heading h2 {
  max-width: 11ch;
  font-size: 4.2rem;
}

.principle-run {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-content: start;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.principle-run li {
  min-height: 7.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.2rem 1.4rem 1.2rem 0;
  border-bottom: 1px solid var(--line);
}

.principle-run li:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.principle-run li:nth-child(even) {
  padding-left: 1.4rem;
}

.principle-run strong {
  color: var(--text);
  font-size: 1.02rem;
}

.principle-run span {
  margin-top: 0.3rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.elsewhere {
  display: grid;
  grid-template-columns: minmax(20rem, 0.72fr) minmax(0, 1.28fr);
  gap: 7rem;
  padding-block: 10rem;
}

.elsewhere-heading h2 {
  max-width: 10ch;
}

.elsewhere-heading > p {
  margin-top: 1.4rem;
}

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

.elsewhere-link {
  width: 100%;
  min-height: 5.6rem;
  display: grid;
  grid-template-columns: 3rem 1fr auto 1.2rem;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition), padding var(--transition);
}

.elsewhere-link:hover,
.elsewhere-link:focus-visible {
  padding-inline: 0.75rem;
  border-bottom-color: var(--accent-bright);
  color: var(--accent-bright);
}

.elsewhere-index,
.elsewhere-action {
  color: var(--text-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.elsewhere-name {
  font-size: 1.22rem;
  font-weight: 760;
}

.noscript-note {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer {
  min-height: 6.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-top: 1px solid var(--line);
  color: var(--text-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  display: inline-block;
  margin-right: 0.55rem;
  border: 1px solid var(--accent-bright);
  border-radius: 50%;
  vertical-align: -0.02rem;
}

.redirect-body {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.redirect-main {
  width: min(42rem, calc(100% - (2 * var(--page-gutter))));
  flex: 1;
  margin-inline: auto;
  padding-block: 12vh 4rem;
}

.redirect-main .brand-mark {
  margin-bottom: 4rem;
}

.redirect-main h1 {
  margin: 0;
  color: var(--text);
  font-size: 4.5rem;
  line-height: 0.98;
}

.redirect-main p {
  color: var(--text-muted);
}

.redirect-main a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  margin-top: 1rem;
  color: var(--accent-bright);
  font-weight: 760;
}

@media (max-width: 1700px) {
  .atlas-story-shell {
    grid-template-columns: minmax(27rem, 0.8fr) minmax(37rem, 1.2fr);
    gap: 4.5rem;
  }

  .hero-copy h1 {
    font-size: 6.3rem;
  }

  .lineage-heading h2,
  .systems-intro h2,
  .index-heading h2,
  .elsewhere-heading h2 {
    font-size: 4.1rem;
  }

  .featured-copy h3 {
    font-size: 5.2rem;
  }

  .atlas-node {
    width: 12.3rem;
  }
}

@media (max-width: 1360px) {
  .atlas-story-shell {
    grid-template-columns: minmax(25rem, 0.78fr) minmax(34rem, 1.22fr);
    gap: 3.5rem;
  }

  .hero-copy h1 {
    font-size: 5.6rem;
  }

  .hero-intro {
    font-size: 1.25rem;
  }

  .atlas-node {
    width: 11rem;
    grid-template-columns: 1.9rem 1fr;
    padding: 0.6rem;
  }

  .atlas-node-label {
    font-size: 0.84rem;
  }

  .atlas-node-meta {
    font-size: 0.53rem;
  }

  .featured-shell,
  .featured-shell-home,
  .featured-shell-knowledge {
    gap: 4rem;
  }

  .featured-copy h3 {
    font-size: 4.6rem;
  }
}

@media (max-width: 1180px) {
  .atlas-story::before {
    width: 100%;
    height: 36%;
    border-left: 0;
    border-bottom: 1px solid var(--line-faint);
  }

  .atlas-story-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .hero-copy {
    grid-column: 1;
    grid-row: 1;
    min-height: auto;
    max-width: 45rem;
    padding-block: 8rem 7rem;
  }

  .atlas-figure {
    position: relative;
    top: auto;
    grid-column: 1;
    grid-row: 2;
    width: 100%;
    height: 46rem;
    min-height: 0;
    max-height: none;
  }

  .lineage-copy {
    grid-column: 1;
    grid-row: 3;
    padding-top: 9rem;
  }

  .lineage-stages {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .lineage-stages::before {
    display: none;
  }

  .lineage-stage {
    min-height: 20rem;
    grid-template-columns: 4.4rem 1fr;
    padding: 3rem 1.5rem 3rem 0;
  }

  .lineage-stage:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .lineage-stage:nth-child(even) {
    padding-left: 1.5rem;
  }

  .lineage-stage.is-atlas-active {
    transform: none;
  }

  .systems-intro-grid,
  .index-heading {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .featured-shell,
  .featured-shell-home,
  .featured-shell-knowledge {
    min-height: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 4rem;
    padding-block: 7rem;
  }

  .featured-shell-home .featured-copy {
    grid-row: auto;
  }

  .featured-copy {
    max-width: 48rem;
  }

  .featured-visual,
  .home-system-visual,
  .knowledge-visual {
    width: min(48rem, 100%);
    margin-inline: auto;
  }

  .featured-shell-knowledge .knowledge-visual {
    order: 2;
  }

  .featured-shell-knowledge .featured-copy {
    order: 1;
  }

  .system-inventory {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .approach-shell,
  .elsewhere {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .approach-heading h2 {
    max-width: 14ch;
  }
}

@media (min-width: 981px) and (max-width: 1180px) {
  .atlas-story::before {
    width: 34%;
    height: 100%;
    border-bottom: 0;
    border-left: 1px solid var(--line-faint);
  }

  .atlas-story-shell {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 2rem;
  }

  .hero-copy {
    grid-column: 1;
    grid-row: 1;
    min-height: calc(88svh - 5.5rem);
    padding-block: 4.5rem;
  }

  .hero-copy h1 {
    font-size: 4.6rem;
  }

  .hero-intro {
    font-size: 1.08rem;
  }

  .hero-detail {
    font-size: 0.92rem;
  }

  .atlas-figure {
    position: sticky;
    top: 1.5rem;
    grid-column: 2;
    grid-row: 1 / span 2;
    height: calc(100svh - 3rem);
    min-height: 38rem;
    max-height: 50rem;
  }

  .atlas-node {
    width: 9.8rem;
    min-height: 4.5rem;
    grid-template-columns: 1.6rem 1fr;
    padding: 0.55rem;
  }

  .atlas-node-label {
    font-size: 0.76rem;
  }

  .atlas-node-meta {
    display: none;
  }

  .lineage-copy {
    grid-column: 1;
    grid-row: 2;
    padding-block: 5rem 4rem;
  }

  .lineage-heading h2 {
    font-size: 3.35rem;
  }

  .lineage-stages {
    grid-template-columns: 1fr;
  }

  .lineage-stages::before {
    display: block;
  }

  .lineage-stage,
  .lineage-stage:nth-child(even) {
    min-height: 32svh;
    padding: 3rem 0;
    border-right: 0;
  }
}

@media (max-width: 820px) {
  .site-header {
    min-height: 4.8rem;
  }

  .site-nav {
    display: none;
  }

  .mobile-index {
    position: relative;
    display: block;
  }

  .mobile-index summary {
    min-width: 5.4rem;
    min-height: 2.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    color: var(--text);
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 760;
    list-style: none;
  }

  .mobile-index summary::-webkit-details-marker {
    display: none;
  }

  .mobile-index summary svg {
    width: 1rem;
    height: 1rem;
    fill: none;
    stroke: var(--accent-bright);
    stroke-linecap: round;
    stroke-width: 1.5;
  }

  .mobile-index[open] summary {
    border-color: var(--accent-bright);
    background: var(--surface);
  }

  .mobile-index[open] summary svg path {
    d: path("M5 5l10 10M15 5 5 15");
  }

  .mobile-index-panel {
    position: absolute;
    top: calc(100% + 0.7rem);
    right: 0;
    width: calc(100vw - (2 * var(--page-gutter)));
    padding: 0.8rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface-strong);
  }

  .mobile-index-panel a {
    position: relative;
    min-height: 3.5rem;
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    align-items: center;
    border-bottom: 1px solid var(--line);
    color: var(--text-muted);
    font-weight: 760;
    text-decoration: none;
  }

  .mobile-index-panel a:last-child {
    border-bottom: 0;
  }

  .mobile-index-panel a span {
    color: var(--accent-cool);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.67rem;
  }

  .mobile-index-panel a.is-current {
    color: var(--accent-bright);
  }

  .mobile-index-panel a.is-current::after {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    width: 0.5rem;
    height: 0.5rem;
    transform: translateY(-50%);
    border-radius: 50%;
    background: var(--accent-bright);
    content: "";
  }

  .hero-copy h1 {
    font-size: 4.7rem;
  }

  .lineage-heading h2,
  .systems-intro h2,
  .index-heading h2,
  .approach-heading h2,
  .elsewhere-heading h2 {
    font-size: 3.35rem;
  }

  .lineage-stages {
    grid-template-columns: 1fr;
  }

  .lineage-stages::before {
    display: block;
  }

  .lineage-stage,
  .lineage-stage:nth-child(even) {
    min-height: 15rem;
    padding: 2.5rem 0;
    border-right: 0;
  }

  .featured-copy h3 {
    font-size: 3.9rem;
  }

  .index-row {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 1.5rem;
  }

  .index-status {
    grid-column: 2;
    justify-self: start;
    text-align: left;
  }

  .principle-run {
    grid-template-columns: 1fr;
  }

  .principle-run li:nth-child(odd) {
    border-right: 0;
  }

  .principle-run li:nth-child(even) {
    padding-left: 0;
  }
}

@media (max-width: 720px) {
  .hero-copy {
    padding-block: 6rem 5rem;
  }

  .hero-intro {
    font-size: 1.13rem;
  }

  .hero-detail {
    font-size: 0.96rem;
  }

  .atlas-figure {
    height: auto;
  }

  .atlas-caption,
  .atlas-legend {
    min-height: 3rem;
    padding-inline: 0.7rem;
    font-size: 0.64rem;
  }

  .atlas-map {
    display: grid;
    gap: 0;
    padding: 1.5rem 0 1.5rem 2.2rem;
    overflow: visible;
  }

  .atlas-map::before {
    top: 2rem;
    right: auto;
    bottom: 2rem;
    left: 0.95rem;
    width: 1px;
    height: auto;
    background: var(--line-strong);
    opacity: 1;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .atlas-map::after {
    position: absolute;
    top: 2rem;
    left: 0.66rem;
    width: 0.58rem;
    height: 0.58rem;
    border: 2px solid var(--bg-raised);
    border-radius: 50%;
    background: var(--accent-bright);
    content: "";
  }

  .topology-routes {
    display: none;
  }

  .atlas-node,
  .atlas-node-decision,
  .atlas-node-tools,
  .atlas-node-knowledge,
  .atlas-node-infrastructure,
  .atlas-node-products,
  .atlas-node-experiments {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    width: 100%;
    min-height: 5.4rem;
    grid-template-columns: 2.5rem 1fr;
    padding: 0.85rem 0.75rem;
    border-left: 0;
    background: transparent;
  }

  .atlas-node::before {
    position: absolute;
    top: 50%;
    left: -1.55rem;
    width: 0.55rem;
    height: 0.55rem;
    transform: translateY(-50%);
    border: 1px solid var(--accent-cool);
    border-radius: 50%;
    background: var(--bg-raised);
    content: "";
  }

  .atlas-node:hover,
  .atlas-node:focus-visible,
  .atlas-node.is-active {
    transform: none;
  }

  .atlas-node.is-active::before {
    border-color: var(--accent-bright);
    background: var(--accent-bright);
  }

  .atlas-node.is-active::after {
    display: none;
  }

  .atlas-node-label {
    font-size: 1rem;
  }

  .atlas-node-meta {
    font-size: 0.66rem;
  }

  .systems-intro,
  .system-index,
  .elsewhere {
    padding-block: 7rem;
  }

  .featured-shell,
  .featured-shell-home,
  .featured-shell-knowledge {
    padding-block: 5.5rem;
  }

  .system-inventory {
    grid-template-columns: 1fr 1fr;
  }

  .approach-shell {
    padding-block: 6rem;
  }

  .elsewhere-link {
    grid-template-columns: 2.5rem 1fr 1.1rem;
  }

  .elsewhere-action {
    display: none;
  }
}

@media (max-width: 520px) {
  .hero-copy h1 {
    font-size: 3.45rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .button {
    min-width: 0;
    padding-inline: 0.7rem;
    font-size: 0.86rem;
  }

  .lineage-heading h2,
  .systems-intro h2,
  .index-heading h2,
  .approach-heading h2,
  .elsewhere-heading h2 {
    font-size: 2.65rem;
  }

  .lineage-heading {
    padding-bottom: 3rem;
  }

  .lineage-stage,
  .lineage-stage:nth-child(even) {
    min-height: 13rem;
    grid-template-columns: 3.5rem 1fr;
    gap: 1rem;
  }

  .lineage-stages::before {
    left: 1.7rem;
  }

  .lineage-index {
    width: 3.4rem;
    height: 3.4rem;
  }

  .lineage-stage h3 {
    font-size: 1.75rem;
  }

  .featured-copy h3 {
    font-size: 3.1rem;
  }

  .featured-copy > p {
    font-size: 1.04rem;
  }

  .system-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .system-inventory {
    grid-template-columns: 1fr 1fr;
  }

  .index-row,
  .index-row.is-atlas-active {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    padding: 1.8rem 0;
  }

  .index-row.is-atlas-active {
    padding-inline: 0.8rem;
  }

  .index-status {
    grid-column: 1;
  }

  .index-copy h3 {
    font-size: 1.48rem;
  }

  .principle-run li {
    min-height: 6.5rem;
  }

  .site-footer {
    min-height: 8rem;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.55rem;
  }

  .redirect-main h1 {
    font-size: 3.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .atlas-figure {
    position: relative;
    top: auto;
  }

  .topology-route {
    stroke-dashoffset: 0;
  }
}