:root {
  --ink-950: #080B0E;
  --ink-900: #101419;
  --ink-800: #1A2026;
  --slate-700: #303941;
  --slate-500: #6F797E;
  --slate-300: #B7BFC0;
  --mist-200: #DDE2E0;
  --cloud-100: #EEF1EF;
  --paper-050: #F7F8F5;
  --mineral-400: #AAB7B3;
  --mineral-300: #C8D8D1;
  --mineral-100: #E3EEE9;
  --amber-400: #B9976B;
  --amber-100: #F1E7D8;
  --signal-blue: #8CB6C8;
  --signal-red: #C87F7D;
  --positive: #5F8C78;
  --focus: #A9D7E5;
  --surface-base: var(--ink-950);
  --surface-raised: var(--ink-900);
  --surface-floating: var(--ink-800);
  --text-primary: var(--paper-050);
  --text-secondary: var(--slate-300);
  --text-tertiary: var(--slate-300);
  --border-subtle: var(--slate-700);
  --border-strong: var(--slate-500);
  --accent-quiet: var(--mineral-400);
  --accent-action: var(--paper-050);
  --accent-action-ink: var(--ink-950);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;
  --radius-sharp: 2px;
  --radius-small: 6px;
  --radius-medium: 12px;
  --radius-large: 20px;
  --radius-xl: 32px;
  --shadow-1: 0 20px 60px rgba(0, 0, 0, 0.14);
  --shadow-2: 0 24px 80px rgba(0, 0, 0, 0.2);
  --shadow-3: 0 32px 110px rgba(0, 0, 0, 0.32);
  --ease-standard: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-quiet: cubic-bezier(0.16, 1, 0.3, 1);
  --content-reading: 720px;
  --content-standard: 1280px;
  --content-wide: 1520px;
  --header-height: 84px;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

body[data-theme="light"] {
  --surface-base: var(--paper-050);
  --surface-raised: var(--cloud-100);
  --surface-floating: #FFFFFF;
  --text-primary: var(--ink-950);
  --text-secondary: var(--slate-700);
  --text-tertiary: var(--slate-500);
  --border-subtle: var(--mist-200);
  --border-strong: var(--slate-300);
  --accent-quiet: var(--mineral-300);
  --accent-action: var(--ink-950);
  --accent-action-ink: var(--paper-050);
  --shadow-1: 0 20px 60px rgba(8, 11, 14, 0.08);
  --shadow-2: 0 24px 80px rgba(8, 11, 14, 0.12);
  --shadow-3: 0 32px 110px rgba(8, 11, 14, 0.18);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--surface-base);
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--surface-base);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  transition: background-color 280ms var(--ease-standard), color 280ms var(--ease-standard);
}

body[data-theme="light"] .chapter--home,
body[data-theme="light"] .chapter--contact {
  --section-ink: var(--ink-950);
  --section-text: var(--paper-050);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

::selection {
  background: var(--mineral-300);
  color: var(--ink-950);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-4);
  left: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-floating);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-small);
  color: var(--text-primary);
  transform: translateY(-150%);
  transition: transform 160ms var(--ease-standard);
}

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

.container {
  width: min(calc(100% - 128px), var(--content-standard));
  margin-inline: auto;
}

.eyebrow,
.mono-label,
.card-meta,
.site-header__mark-meta,
.chapter-link__number,
.image-field__label,
.image-field__coordinates,
.site-footer__note,
.campus-detail__meta,
.product-card__meta,
.position-row small {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0;
  color: var(--text-tertiary);
}

.display {
  max-width: 900px;
  margin: var(--space-5) 0 0;
  font-size: clamp(48px, 6.5vw, 88px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.display em {
  color: var(--accent-quiet);
  font-style: normal;
}

.display--hero {
  max-width: 740px;
  margin-top: var(--space-6);
  font-size: clamp(64px, 9vw, 144px);
  line-height: 0.92;
}

.display--section {
  max-width: 800px;
}

.body-stack p,
.chapter-heading__intro,
.hero-copy__lede,
.loop-copy p,
.foundation-copy p,
.careers-manifesto p,
.contact-primary p,
.contact-secondary p,
.content-card p,
.program-card p,
.editorial-card p,
.editorial-feature__copy p,
.callout p {
  max-width: var(--content-reading);
  margin: 0;
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.55;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  width: fit-content;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 14px;
  transition: gap 240ms var(--ease-standard), border-color 240ms var(--ease-standard), color 240ms var(--ease-standard);
}

.text-link:hover {
  gap: var(--space-4);
  border-color: var(--accent-quiet);
  color: var(--accent-quiet);
}

.text-link:hover::after {
  transform: scaleX(1);
  opacity: 1;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sharp);
  cursor: pointer;
  transition: background-color 300ms var(--ease-standard), color 300ms var(--ease-standard), transform 300ms var(--ease-standard);
}

.button:hover {
  transform: translateY(-2px);
}

.button__arrow {
  font-size: 18px;
  line-height: 0.8;
  transition: transform 240ms var(--ease-standard);
}

.button:hover .button__arrow {
  transform: translate(2px, -2px);
}

.button--primary {
  background: var(--accent-action);
  color: var(--accent-action-ink);
}

.button--primary:hover {
  background: var(--mineral-300);
}

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

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

.button--quiet {
  min-height: 40px;
  padding-inline: 0;
  border: 0;
  border-radius: 0;
  color: var(--text-primary);
}

.button--quiet:hover {
  color: var(--accent-quiet);
}

.icon-button {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-medium);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color 200ms var(--ease-standard), border-color 200ms var(--ease-standard);
}

.icon-button:hover {
  border-color: var(--border-subtle);
  background: var(--surface-raised);
}

.icon {
  font-size: 21px;
  line-height: 1;
}

.menu-button__lines {
  display: grid;
  width: 18px;
  gap: 5px;
}

.menu-button__lines i {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform 220ms var(--ease-standard), opacity 220ms var(--ease-standard);
}

.menu-button[aria-expanded="true"] .menu-button__lines i:first-child {
  transform: translateY(3px) rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-button__lines i:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

.site-shell {
  min-height: 100vh;
}

.chapter--prologue {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100svh;
  overflow: hidden;
  background: var(--ink-950);
  color: var(--paper-050);
  border-bottom: 0;
}

.prologue-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.6;
}

.prologue-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.prologue-background::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(8, 11, 14, 0.2), rgba(8, 11, 14, 0.95));
}

.prologue-content {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-8);
}

.prologue-content .eyebrow {
  color: var(--slate-300);
}

.entry-mark {
  margin: 0;
  font-size: clamp(64px, 12vw, 180px);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.8;
}

.entry-scroll-indicator {
  margin-top: var(--space-8);
  flex-direction: column;
  gap: var(--space-2);
}

.entry-scroll-indicator .button__arrow {
  animation: gentleBounce 2s infinite ease-in-out;
}

@keyframes gentleBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.entry-screen__footer {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  margin: 0;
  color: var(--slate-500);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.entry-screen__field {
  position: absolute;
  inset: 0;
  opacity: 0.5;
}

.field-line,
.field-node {
  position: absolute;
  display: block;
}

.field-line {
  height: 1px;
  background: var(--slate-700);
  transform-origin: left center;
}

.field-line--one {
  top: 35%;
  left: 7%;
  width: 62%;
  transform: rotate(19deg);
}

.field-line--two {
  right: 5%;
  bottom: 29%;
  width: 52%;
  transform: rotate(-26deg);
}

.field-node {
  width: 8px;
  height: 8px;
  border: 1px solid var(--mineral-400);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(170, 183, 179, 0.06);
}

.field-node--one {
  top: 29%;
  left: 67%;
}

.field-node--two {
  right: 10%;
  bottom: 27%;
  border-color: var(--amber-400);
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 48px;
  border-bottom: 1px solid color-mix(in srgb, var(--border-subtle) 76%, transparent);
  background: color-mix(in srgb, var(--surface-base) 72%, transparent);
  backdrop-filter: blur(18px);
}

.site-header__mark {
  display: grid;
  gap: 2px;
}

.site-header__mark-word,
.site-footer__mark {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.site-header__mark-meta {
  color: var(--text-tertiary);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.site-header__controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-header__chapter {
  margin-right: var(--space-3);
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chapter-rail {
  position: fixed;
  z-index: 18;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  display: flex;
  width: 236px;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-8) var(--space-6) var(--space-6) 48px;
  border-right: 1px solid color-mix(in srgb, var(--border-subtle) 76%, transparent);
  background: color-mix(in srgb, var(--surface-base) 88%, transparent);
  backdrop-filter: blur(18px);
  transition: transform 400ms var(--ease-quiet);
}

.chapter-rail__intro {
  max-width: 150px;
}

.chapter-rail__intro p {
  margin: var(--space-3) 0 0;
  color: var(--text-tertiary);
  font-size: 12px;
  line-height: 1.5;
}

.chapter-rail__list {
  display: grid;
  gap: var(--space-2);
  margin: auto 0;
  padding: var(--space-8) 0;
  list-style: none;
}

.chapter-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 36px;
  color: var(--text-tertiary);
  font-size: 13px;
  transition: color 200ms var(--ease-standard), transform 200ms var(--ease-standard);
}

.chapter-link:hover,
.chapter-link.is-current {
  color: var(--text-primary);
  transform: translateX(4px);
}

.chapter-link.is-current::before {
  width: 5px;
  height: 5px;
  margin-left: -11px;
  border-radius: 50%;
  background: var(--mineral-400);
  content: "";
}

.chapter-link__number {
  width: 23px;
  color: var(--text-tertiary);
  font-size: 9px;
}

.chapter-rail__support {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
}

.chapter-rail__support a {
  color: var(--text-tertiary);
}

.chapter-rail__support a:hover {
  color: var(--text-primary);
}

.site-main {
  margin-left: 236px;
}

.chapter {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.chapter__inner {
  position: relative;
  z-index: 1;
  padding-top: 176px;
  padding-bottom: 160px;
}

.chapter--home {
  --section-ink: var(--ink-950);
  --section-text: var(--paper-050);
  background: var(--section-ink);
  color: var(--section-text);
}

.chapter--home .eyebrow,
.chapter--home .hero-copy__lede,
.chapter--home .body-stack p,
.chapter--home .hero-visual__caption,
.chapter--home .hero-visual__legend,
.chapter--home .mono-label {
  color: var(--slate-300);
}

.chapter--home .display em {
  color: var(--mineral-300);
}

.chapter--home .text-link,
.chapter--home .chapter-next a {
  color: var(--paper-050);
}

.chapter--home .hero-copy__lede {
  max-width: 540px;
  margin-top: var(--space-7);
  font-size: 20px;
}

.chapter__wash {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 28%, rgba(170, 183, 179, 0.14), transparent 32%), radial-gradient(circle at 25% 90%, rgba(140, 182, 200, 0.08), transparent 30%);
  pointer-events: none;
}

.chapter__inner--hero {
  display: grid;
  min-height: calc(100svh - 84px);
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
  align-items: center;
  gap: var(--space-10);
  padding-top: 124px;
  padding-bottom: 112px;
}

.hero-copy__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  margin-top: var(--space-7);
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 520px;
  align-content: space-between;
  color: var(--mineral-300);
}

.hero-visual__caption,
.hero-visual__legend {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--slate-500);
  font-size: 12px;
}

.field-diagram {
  width: min(100%, 520px);
  justify-self: end;
  overflow: visible;
}

.home-statement {
  position: relative;
  z-index: 1;
  padding-top: var(--space-9);
  padding-bottom: var(--space-10);
}

.section-rule {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
  color: var(--text-tertiary);
}

.section-rule > span:first-child {
  width: 40px;
  height: 1px;
  background: currentColor;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  gap: var(--space-10);
}

.statement {
  max-width: 720px;
  margin: 0;
  font-size: clamp(30px, 4vw, 58px);
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.body-stack {
  display: grid;
  align-content: end;
  gap: var(--space-6);
}

.chapter-next {
  position: absolute;
  z-index: 2;
  bottom: var(--space-6);
  left: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-tertiary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chapter-next__line {
  display: block;
  width: 48px;
  height: 1px;
  background: currentColor;
}

.chapter-next a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  transition: color 200ms var(--ease-standard), gap 200ms var(--ease-standard);
}

.chapter-next a:hover {
  gap: var(--space-4);
  color: var(--accent-quiet);
}

.chapter-heading {
  max-width: 900px;
}

.chapter-heading__intro {
  max-width: 560px;
  margin-top: var(--space-7);
}

.chapter-heading--wide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.65fr);
  align-items: end;
  gap: var(--space-8);
}

.chapter-heading--wide .display {
  grid-column: 1 / 2;
  grid-row: 2;
}

.chapter-heading--wide .chapter-heading__intro {
  grid-column: 2;
  grid-row: 2;
  margin: 0 0 var(--space-2);
}

.chapter--research,
.chapter--technology,
.chapter--careers {
  background: var(--surface-base);
}

.chapter--campus,
.chapter--foundation {
  background: var(--surface-raised);
}

.chapter--newsroom {
  background: color-mix(in srgb, var(--surface-raised) 54%, var(--surface-base));
}

.loop-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(260px, 0.8fr);
  align-items: center;
  gap: var(--space-10);
  margin-top: var(--space-10);
  padding: var(--space-8) 0 var(--space-10);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.loop-diagram {
  position: relative;
  width: min(100%, 430px);
  aspect-ratio: 1;
  margin-inline: auto;
}

.loop-diagram__ring {
  position: absolute;
  inset: 14%;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
}

.loop-diagram__ring--outer {
  inset: 4%;
  border-color: var(--accent-quiet);
  border-style: dashed;
  opacity: 0.65;
}

.loop-diagram__ring--inner {
  inset: 27%;
  border-color: var(--signal-blue);
}

.loop-diagram__core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 88px;
  height: 88px;
  place-items: center;
  border: 1px solid var(--accent-quiet);
  border-radius: 50%;
  color: var(--text-primary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 18px;
  line-height: 1;
  text-align: center;
  transform: translate(-50%, -50%);
}

.loop-diagram__core span {
  font-size: 9px;
  letter-spacing: 0.08em;
}

.loop-label {
  position: absolute;
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.loop-label--observe {
  top: 15%;
  left: 16%;
}

.loop-label--model {
  top: 20%;
  right: 9%;
}

.loop-label--build {
  right: 16%;
  bottom: 13%;
}

.loop-copy {
  display: grid;
  align-content: center;
  gap: var(--space-5);
}

.loop-copy h3 {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.loop-copy .button {
  margin-top: var(--space-3);
}

.section-intro-line {
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  margin: var(--space-10) 0 var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 13px;
}

.institute-grid,
.program-grid,
.editorial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border-subtle);
}

.content-card,
.program-card,
.editorial-card {
  min-height: 250px;
  padding: var(--space-6);
  background: var(--surface-base);
}

.content-card {
  display: grid;
  align-content: space-between;
  gap: var(--space-5);
}

.content-card h3,
.program-card h3,
.editorial-card h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.content-card p,
.program-card p,
.editorial-card p {
  font-size: 15px;
}

.card-index {
  color: var(--text-tertiary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.card-meta {
  color: var(--text-tertiary);
  font-size: 9px;
}

.campus-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  align-items: stretch;
  gap: var(--space-8);
  margin-top: var(--space-10);
}

.campus-map {
  position: relative;
  display: grid;
  min-height: 400px;
  align-content: space-between;
  padding: var(--space-5);
  border: 1px solid var(--border-subtle);
  background: var(--surface-base);
}

.campus-map svg {
  width: 100%;
  height: auto;
  color: var(--accent-quiet);
}

.map-node {
  cursor: pointer;
  transition: opacity 180ms var(--ease-standard);
}

.map-node:hover,
.map-node.is-active {
  opacity: 1;
}

.map-node:not(.is-active) {
  opacity: 0.5;
}

.map-node circle {
  fill: var(--accent-quiet);
  stroke: var(--surface-base);
  stroke-width: 4px;
}

.map-node text {
  fill: currentColor;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 8px;
  letter-spacing: 1.5px;
  text-anchor: middle;
}

.campus-map__caption {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--text-tertiary);
  font-size: 12px;
}

.campus-detail {
  display: grid;
  align-content: center;
  min-height: 400px;
  padding: var(--space-7);
  border: 1px solid var(--border-subtle);
  background: var(--surface-base);
}

.campus-detail h3 {
  margin: var(--space-4) 0 var(--space-4);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.campus-detail > p:not(.mono-label) {
  max-width: 340px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 17px;
}

.campus-detail__meta {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  font-size: 9px;
}

.campus-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: var(--space-8);
  background: var(--border-subtle);
}

.campus-list__item {
  display: grid;
  grid-template-columns: 28px 1fr auto 18px;
  align-items: center;
  gap: var(--space-3);
  min-height: 64px;
  padding: 0 var(--space-4);
  border: 0;
  background: var(--surface-base);
  color: var(--text-secondary);
  text-align: left;
  cursor: pointer;
  transition: background-color 200ms var(--ease-standard), color 200ms var(--ease-standard);
}

.campus-list__item:hover,
.campus-list__item.is-active {
  background: var(--surface-floating);
  color: var(--text-primary);
}

.campus-list__number {
  color: var(--text-tertiary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 10px;
}

.campus-list__city {
  font-size: 15px;
}

.campus-list__focus {
  color: var(--text-tertiary);
  font-size: 12px;
}

.ecosystem-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin: var(--space-10) 0 var(--space-5);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.ecosystem-bar__item {
  color: var(--text-tertiary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ecosystem-bar__item.is-active {
  color: var(--accent-quiet);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--border-subtle);
}

.product-card {
  background: var(--surface-raised);
}

.product-card summary {
  display: grid;
  grid-template-columns: 40px 1fr 24px;
  align-items: center;
  gap: var(--space-3);
  min-height: 104px;
  padding: var(--space-5);
  cursor: pointer;
  list-style: none;
}

.product-card summary::-webkit-details-marker {
  display: none;
}

.product-card summary:hover {
  background: var(--surface-floating);
}

.product-card__index {
  color: var(--text-tertiary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11px;
}

.product-card__name {
  font-size: 28px;
  letter-spacing: -0.025em;
}

.product-card__open {
  color: var(--accent-quiet);
  font-size: 24px;
  font-weight: 300;
  transition: transform 220ms var(--ease-standard);
}

.product-card[open] .product-card__open {
  transform: rotate(45deg);
}

.product-card__body {
  padding: 0 var(--space-5) var(--space-6) calc(var(--space-5) + 40px + var(--space-3));
}

.product-card__body p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.product-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  margin-top: var(--space-5);
  color: var(--text-tertiary);
  font-size: 9px;
}

.callout {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--space-5);
  margin-top: var(--space-8);
  padding: var(--space-6);
  border: 1px solid var(--border-subtle);
  background: var(--surface-raised);
}

.callout__mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--signal-red);
  border-radius: 50%;
  color: var(--signal-red);
}

.callout .mono-label {
  margin: 0 0 var(--space-3);
  color: var(--signal-red);
}

.callout p:last-child {
  max-width: none;
  font-size: 15px;
}

.editorial-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(270px, 0.8fr);
  gap: 1px;
  margin-top: var(--space-10);
  background: var(--border-subtle);
}

.image-field {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--slate-300);
}

.image-field::before,
.image-field::after {
  position: absolute;
  content: "";
}

.image-field::before {
  inset: 15% 12%;
  border: 1px solid var(--slate-700);
  transform: skewY(-6deg);
}

.image-field::after {
  top: 0;
  right: 28%;
  bottom: 0;
  width: 1px;
  background: var(--slate-700);
  transform: rotate(20deg);
}

.image-field__cross,
.image-field__cross::after {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 48px;
  height: 1px;
  background: var(--mineral-400);
  content: "";
  transform: translate(-50%, -50%);
}

.image-field__cross::after {
  top: 0;
  left: 0;
  transform: rotate(90deg);
}

.image-field__label,
.image-field__coordinates {
  position: absolute;
  z-index: 1;
  color: var(--slate-300);
}

.image-field__label {
  top: var(--space-5);
  left: var(--space-5);
}

.image-field__coordinates {
  right: var(--space-5);
  bottom: var(--space-5);
  color: var(--amber-400);
}

.editorial-feature__copy {
  display: grid;
  align-content: center;
  gap: var(--space-5);
  padding: var(--space-7);
  background: var(--surface-raised);
}

.editorial-feature__copy h3 {
  max-width: 480px;
  margin: 0;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.editorial-feature__copy .mono-label,
.editorial-card .mono-label {
  color: var(--text-tertiary);
}

.editorial-feature__copy .text-link {
  margin-top: var(--space-3);
}

.editorial-card {
  display: grid;
  align-content: space-between;
  min-height: 280px;
  gap: var(--space-5);
}

.editorial-card__top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
}

.editorial-card .text-link {
  font-size: 13px;
}

.foundation-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.55fr) minmax(300px, 1fr);
  gap: var(--space-10);
  margin-top: var(--space-10);
  padding-block: var(--space-8);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.foundation-index {
  display: grid;
  align-content: space-between;
  min-height: 220px;
}

.foundation-index__number {
  color: var(--accent-quiet);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: clamp(72px, 10vw, 160px);
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.foundation-copy {
  display: grid;
  align-content: end;
  gap: var(--space-6);
}

.foundation-copy p {
  max-width: 620px;
}

.program-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: var(--space-8);
}

.program-card {
  display: grid;
  align-content: space-between;
  min-height: 280px;
  gap: var(--space-6);
}

.careers-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1.2fr);
  gap: var(--space-10);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}

.careers-manifesto {
  display: grid;
  align-content: start;
  gap: var(--space-6);
}

.statement--small {
  font-size: clamp(34px, 4vw, 58px);
}

.careers-manifesto > p:not(.statement) {
  max-width: 430px;
}

.positions .section-rule {
  margin-bottom: 0;
}

.position-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: padding 220ms var(--ease-standard), color 220ms var(--ease-standard);
}

.position-row:hover {
  padding-inline: var(--space-3);
  color: var(--accent-quiet);
}

.position-row span:first-child {
  display: grid;
  gap: var(--space-2);
}

.position-row small {
  color: var(--text-tertiary);
  font-size: 9px;
}

.position-row strong {
  font-size: 19px;
  font-weight: 500;
}

.chapter--contact {
  --section-ink: var(--ink-950);
  --section-text: var(--paper-050);
  background: var(--section-ink);
  color: var(--section-text);
}

.chapter--contact .eyebrow,
.chapter--contact .chapter-heading__intro,
.chapter--contact .contact-note,
.chapter--contact .contact-secondary p,
.chapter--contact .mono-label {
  color: var(--slate-300);
}

.chapter--contact .display em {
  color: var(--mineral-300);
}

.contact-field {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image: linear-gradient(90deg, transparent 49.9%, var(--slate-700) 50%, transparent 50.1%), linear-gradient(0deg, transparent 49.9%, var(--slate-700) 50%, transparent 50.1%);
  background-size: 180px 180px;
  mask-image: radial-gradient(circle at 72% 40%, black, transparent 52%);
}

.contact-field span {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--mineral-400);
  border-radius: 50%;
}

.contact-field span:nth-child(1) { top: 28%; left: 71%; }
.contact-field span:nth-child(2) { top: 52%; left: 82%; border-color: var(--signal-blue); }
.contact-field span:nth-child(3) { top: 67%; left: 63%; border-color: var(--amber-400); }

.contact-inner {
  min-height: 100svh;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: var(--space-10);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--slate-700);
}

.contact-primary,
.contact-secondary {
  display: grid;
  align-content: start;
  gap: var(--space-5);
}

.contact-email {
  display: inline-block;
  width: fit-content;
  border-bottom: 1px solid var(--slate-500);
  color: var(--paper-050);
  font-size: clamp(28px, 4vw, 58px);
  letter-spacing: -0.045em;
  line-height: 1.05;
  transition: color 200ms var(--ease-standard), border-color 200ms var(--ease-standard);
}

.contact-email:hover {
  border-color: var(--mineral-300);
  color: var(--mineral-300);
}

.contact-note {
  max-width: 390px;
  font-size: 15px !important;
}

.contact-secondary {
  align-content: space-between;
  min-height: 220px;
}

.contact-secondary > div:first-child {
  display: grid;
  gap: var(--space-4);
}

.contact-secondary > div:last-child {
  max-width: 300px;
  padding-top: var(--space-5);
  border-top: 1px solid var(--slate-700);
}

.contact-secondary .text-link {
  width: 100%;
  justify-content: space-between;
  border-color: var(--slate-700);
}

.contact-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  margin-top: var(--space-10);
  padding-top: var(--space-5);
  border-top: 1px solid var(--slate-700);
}

.contact-footer .mono-label {
  color: var(--slate-500);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-6);
  margin-left: 236px;
  padding: var(--space-7) 48px;
  background: var(--surface-base);
  color: var(--text-tertiary);
}

.site-footer > div:first-child,
.site-footer > div:last-child {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.site-footer__mark {
  color: var(--text-primary);
  font-size: 12px;
}

.site-footer__note {
  font-size: 9px;
  letter-spacing: 0.03em;
  text-transform: none;
}

.site-footer a {
  font-size: 12px;
}

.site-footer a:hover {
  color: var(--text-primary);
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.2s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .container {
    width: min(calc(100% - 96px), var(--content-standard));
  }

  .chapter-rail {
    width: 210px;
    padding-left: 32px;
  }

  .site-main,
  .site-footer {
    margin-left: 210px;
  }

  .site-header {
    padding-inline: 32px;
  }

  .chapter__inner--hero {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.75fr);
    gap: var(--space-7);
  }

  .campus-list__item {
    grid-template-columns: 24px 1fr 18px;
  }

  .campus-list__focus {
    display: none;
  }
}

@media (max-width: 880px) {
  .container {
    width: min(calc(100% - 64px), var(--content-standard));
  }

  .site-header {
    padding-inline: 32px;
  }

  .site-header__chapter {
    display: none;
  }

  .chapter-rail {
    top: var(--header-height);
    right: 0;
    bottom: 0;
    width: min(340px, 88vw);
    padding: var(--space-8) var(--space-7);
    border-right: 0;
    border-left: 1px solid var(--border-subtle);
    transform: translateX(100%);
  }

  .chapter-rail.is-open {
    transform: translateX(0);
  }

  .site-main,
  .site-footer {
    margin-left: 0;
  }

  .site-main::before {
    position: fixed;
    z-index: 17;
    inset: var(--header-height) 0 0;
    background: rgba(8, 11, 14, 0.38);
    content: "";
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms var(--ease-standard);
  }

  .site-main.menu-is-open::before {
    opacity: 1;
    pointer-events: auto;
  }

  .chapter__inner--hero,
  .campus-layout,
  .editorial-feature,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 400px;
  }

  .field-diagram {
    justify-self: center;
  }

  .chapter-heading--wide,
  .two-column {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .chapter-heading--wide .display,
  .chapter-heading--wide .chapter-heading__intro {
    grid-column: auto;
    grid-row: auto;
  }

  .chapter-heading--wide .chapter-heading__intro {
    margin-top: var(--space-2);
  }

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

  .campus-map,
  .campus-detail {
    min-height: 340px;
  }

  .foundation-layout,
  .careers-layout {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }

  .foundation-index {
    min-height: auto;
    gap: var(--space-5);
  }

  .contact-secondary {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 40px), var(--content-standard));
  }

  .site-header {
    height: 72px;
    padding-inline: 20px;
  }

  .chapter-rail {
    top: 72px;
  }

  .chapter__inner {
    padding-top: 128px;
    padding-bottom: 132px;
  }

  .chapter__inner--hero {
    min-height: auto;
    gap: var(--space-8);
    padding-top: 112px;
    padding-bottom: 128px;
  }

  .display--hero {
    font-size: clamp(54px, 16vw, 82px);
  }

  .display--section {
    font-size: clamp(46px, 14vw, 72px);
  }

  .hero-copy__lede,
  .body-stack p,
  .chapter-heading__intro,
  .loop-copy p,
  .foundation-copy p,
  .careers-manifesto p,
  .contact-primary p,
  .contact-secondary p {
    font-size: 16px;
  }

  .hero-copy__actions {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-4);
  }

  .hero-visual {
    min-height: 300px;
  }

  .hero-visual__legend {
    font-size: 9px;
  }

  .field-diagram {
    width: 100%;
  }

  .home-statement {
    padding-top: var(--space-8);
    padding-bottom: var(--space-9);
  }

  .statement {
    font-size: 36px;
  }

  .chapter-next {
    bottom: var(--space-4);
    left: 20px;
  }

  .loop-layout {
    grid-template-columns: 1fr;
    gap: var(--space-7);
    margin-top: var(--space-8);
    padding-block: var(--space-7);
  }

  .loop-diagram {
    width: min(100%, 320px);
  }

  .section-intro-line,
  .campus-map__caption,
  .contact-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .institute-grid,
  .program-grid,
  .product-grid,
  .editorial-grid {
    grid-template-columns: 1fr;
  }

  .content-card,
  .program-card,
  .editorial-card {
    min-height: 220px;
  }

  .campus-layout {
    gap: var(--space-5);
  }

  .campus-map,
  .campus-detail {
    min-height: 280px;
    padding: var(--space-4);
  }

  .campus-list {
    grid-template-columns: 1fr;
  }

  .product-card summary {
    min-height: 88px;
    padding: var(--space-4);
  }

  .product-card__name {
    font-size: 24px;
  }

  .product-card__body {
    padding: 0 var(--space-4) var(--space-5);
  }

  .callout {
    grid-template-columns: 32px 1fr;
    gap: var(--space-4);
    padding: var(--space-5);
  }

  .image-field {
    min-height: 300px;
  }

  .editorial-feature__copy {
    padding: var(--space-6) var(--space-5);
  }

  .editorial-feature__copy h3 {
    font-size: 34px;
  }

  .foundation-layout {
    margin-top: var(--space-8);
    padding-block: var(--space-7);
  }

  .foundation-index__number {
    font-size: 100px;
  }

  .contact-grid {
    gap: var(--space-8);
    margin-top: var(--space-8);
    padding-top: var(--space-7);
  }

  .contact-email {
    font-size: 30px;
    overflow-wrap: anywhere;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: var(--space-6) 20px;
  }

  .entry-screen__footer {
    right: 20px;
    bottom: var(--space-5);
    left: 20px;
    line-height: 1.5;
  }
}

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

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

  .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }

  .entry-screen__field,
  .contact-field {
    opacity: 0.18;
  }
}

/* Image + Text Cinematic Layout */
.cinematic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin: var(--space-8) 0;
  align-items: center;
}

@media (min-width: 900px) {
  .cinematic-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
  
  .cinematic-grid.reverse .cinematic-grid__image {
    order: 2;
  }
}

.cinematic-grid__image {
  width: 100%;
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background: var(--slate-100);
}

body[data-theme="dark"] .cinematic-grid__image {
  background: var(--ink-800);
}

.cinematic-grid__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cinematic-grid:hover .cinematic-grid__image img {
  transform: scale(1.04);
}

.cinematic-grid__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.full-bleed-image {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  height: 60vh;
  min-height: 400px;
  background: var(--slate-100);
  margin-top: var(--space-12);
  margin-bottom: var(--space-12);
}

.full-bleed-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}