:root {
  --paper: #f4f1e9;
  --paper-deep: #ebe7dc;
  --ink: #16221f;
  --muted: #68716d;
  --line: #d4d1c7;
  --white: #fcfbf7;
  --physics: #d75e43;
  --electricity: #2f6f8a;
  --biology: #6f7f2e;
  --computing: #7655a8;
  --chemistry: #bf7332;
  --material-culture: #9a5b45;
  --money: #8a6b3d;
  --mathematics: #416f72;
  --earth-sciences: #6f6044;
  --inactive-discipline-opacity: .56;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.55 var(--sans);
}
a { color: inherit; }
button { color: inherit; font: inherit; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }

.home-shell { width: min(100% - 72px, 1540px); margin-inline: auto; }
.home-skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-180%);
}
.home-skip-link:focus { transform: translateY(0); }
.home-skip-mobile,
.mobile-home { display: none; }
html[data-home-presentation="portable"] .canonical-connections-mobile { display: block; }
html[data-home-presentation="portable"] .home-skip-desktop,
html[data-home-presentation="portable"] .desktop-home { display: none; }
html[data-home-presentation="portable"] .home-skip-mobile,
html[data-home-presentation="portable"] .mobile-home { display: block; }

.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}
.home-header-meta { display: grid; justify-items: end; gap: 9px; }
.home-language-selector { position: relative; }
.home-language-dropdown { position: relative; }
.home-language-summary {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 28px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1;
  cursor: pointer;
  list-style: none;
}
.home-language-summary::-webkit-details-marker { display: none; }
.home-language-summary:hover,
.home-language-summary:focus-visible,
.home-language-dropdown[open] .home-language-summary { border-color: var(--ink); color: var(--ink); background: rgba(252, 251, 247, .58); }
.home-language-caret { margin-left: 2px; font-size: 11px; }
.home-language-menu {
  position: absolute;
  z-index: 90;
  top: calc(100% + 5px);
  right: 0;
  display: grid;
  min-width: max-content;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--ink);
  background: var(--white);
  box-shadow: 0 10px 24px rgba(22, 34, 31, .12);
}
.home-language-option {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 5px 8px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}
.home-language-option:hover,
.home-language-option:focus-visible,
.home-language-option.is-current { border-color: var(--ink); color: var(--ink); background: var(--paper); }
.home-language-option.is-current { cursor: default; }
.home-language-flag { font-size: 16px; line-height: 1; }
.home-header-meta > p {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.home-brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.home-brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 750 10px/1 var(--sans);
}
.home-brand strong { display: block; font: 600 19px/1.05 var(--serif); letter-spacing: -.025em; }
.home-brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 8px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }

.cinematic-opening { overflow: hidden; }

.knowledge-graph-hero {
  position: relative;
  min-height: calc(100svh - 83px);
  overflow: hidden;
}
.graph-stage {
  position: relative;
  min-height: calc(100svh - 83px);
  border-bottom: 1px solid var(--ink);
  isolation: isolate;
  touch-action: pan-y;
}
.graph-stage::before,
.graph-stage::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
}
.graph-stage::before {
  inset: 6% 4%;
  border: 1px solid rgba(22, 34, 31, .07);
  border-radius: 50%;
  transform: rotate(-8deg) scaleY(.72);
}
.graph-stage::after {
  inset: 15% 13%;
  border: 1px solid rgba(22, 34, 31, .055);
  border-radius: 50%;
  transform: rotate(12deg) scaleY(.6);
}
.graph-canvas {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 450ms ease;
  pointer-events: none;
}
.knowledge-graph-hero[data-render-mode="webgl"] .graph-canvas { opacity: 1; }
.graph-heading {
  position: absolute;
  z-index: 4;
  top: 48%;
  left: 50%;
  width: min(46vw, 790px);
  text-align: center;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.home-eyebrow,
.section-kicker {
  margin: 0 0 17px;
  color: var(--muted);
  font: 750 9px/1.2 var(--sans);
  letter-spacing: .18em;
  text-transform: uppercase;
}
.home-eyebrow { display: flex; align-items: center; justify-content: center; gap: 12px; }
.home-eyebrow span { width: 34px; height: 1px; background: var(--ink); }
.graph-heading h1 {
  margin: 0;
  font: 400 clamp(58px, 5.3vw, 94px)/.88 var(--serif);
  letter-spacing: -.057em;
}
.graph-heading h1 > span { display: block; }
.graph-heading h1 .hero-title-arrive { margin-top: .11em; }
.graph-heading h1 em { display: block; color: var(--physics); font-weight: 400; }
.graph-heading > p {
  max-width: 560px;
  margin: 27px auto 0;
  color: #58625e;
  font: 16px/1.45 var(--serif);
}
.graph-topic-links a,
.graph-concept {
  --graph-scale: 1;
  position: absolute;
  z-index: calc(30 + var(--graph-depth, 0));
  left: var(--graph-x, var(--graph-fallback-x, 50%));
  top: var(--graph-y, var(--graph-fallback-y, 50%));
  color: var(--ink);
  background: rgba(244, 241, 233, .9);
  transform: translate(-50%, -50%) scale(var(--graph-scale));
  transform-origin: center;
  transition: color 180ms ease, opacity 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}
.graph-topic-links a {
  min-width: 190px;
  padding: 13px 15px 12px 19px;
  border-left: 2px solid var(--topic-accent);
  text-decoration: none;
}
.graph-topic-links a:hover,
.graph-topic-links a:focus-visible,
.graph-topic-links a.is-active {
  color: var(--topic-accent);
  background: var(--white);
  box-shadow: 0 14px 40px rgba(22, 34, 31, .11);
}
.graph-topic-name { display: block; font: 500 clamp(27px, 2.2vw, 38px)/1 var(--serif); letter-spacing: -.04em; }
.graph-topic-meta {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.graph-topic-action {
  display: block;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: max-height 180ms ease, margin-top 180ms ease;
}
.graph-topic-links a:hover .graph-topic-action,
.graph-topic-links a:focus-visible .graph-topic-action,
.graph-topic-links a.is-active .graph-topic-action { max-height: 24px; margin-top: 10px; }
.knowledge-graph-hero[data-active-topic] .graph-topic-links a:not(.is-active),
.knowledge-graph-hero[data-active-bridge] .graph-topic-links a:not(.is-active) { opacity: var(--inactive-discipline-opacity); }
.graph-concept-layer { position: absolute; z-index: 5; inset: 0; pointer-events: none; }
.graph-concept {
  width: max-content;
  max-width: 175px;
  padding: 5px 7px 6px 13px;
  border: 0;
  border-left: 1px solid var(--topic-accent);
  text-align: left;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
  opacity: .64;
  pointer-events: auto;
}
.graph-concept::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -4px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--topic-accent);
  border-radius: 50%;
  background: var(--paper);
  transform: translateY(-50%);
}
.graph-concept strong { display: block; font: 500 12px/1.15 var(--serif); }
.graph-concept span { display: block; margin-top: 3px; color: var(--muted); font-size: 7px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.graph-concept:hover,
.graph-concept:focus-visible,
.graph-concept.is-related { opacity: 1; background: var(--white); box-shadow: 0 8px 24px rgba(22, 34, 31, .1); }
.knowledge-graph-hero[data-active-topic] .graph-concept:not(.is-related),
.knowledge-graph-hero[data-active-bridge] .graph-concept:not(.is-related) { opacity: var(--inactive-discipline-opacity); }
.graph-annotation {
  position: absolute;
  z-index: 80;
  bottom: 24px;
  left: 36px;
  width: min(360px, 28vw);
  padding: 16px 18px 15px;
  border-top: 1px solid var(--ink);
  background: rgba(244, 241, 233, .92);
}
.graph-annotation p { margin: 0 0 7px; color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.graph-annotation strong { display: block; font: 500 19px/1.12 var(--serif); }
.graph-annotation > span { display: block; margin-top: 6px; color: var(--muted); font: 12px/1.4 var(--serif); }
.graph-annotation a { display: inline-block; margin-top: 10px; font-size: 8px; font-weight: 800; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.graph-guidance {
  position: absolute;
  z-index: 70;
  right: 36px;
  bottom: 27px;
  margin: 0;
  color: var(--muted);
  font-size: 8px;
  font-weight: 750;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.homepage-data-status { position: absolute; z-index: 90; right: 36px; bottom: 50px; margin: 0; color: var(--muted); font-size: 9px; }
.is-visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(250px, .55fr);
  align-items: end;
  gap: 42px;
  margin-bottom: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--ink);
}
.section-heading h2 { margin: 0; font: 400 clamp(40px, 4.8vw, 72px)/.98 var(--serif); letter-spacing: -.045em; }
.section-heading > p { max-width: 430px; margin: 0 0 5px auto; color: var(--muted); font: 16px/1.5 var(--serif); }

.canonical-connections {
  --section-rule: #aeb4ad;
  padding-block: clamp(58px, 6.4vw, 96px);
  background: var(--paper-deep);
}
.canonical-connections-mobile { display: none; }
.canonical-connections .section-heading { margin-bottom: 40px; border-top-color: var(--section-rule); }
.canonical-connections .section-kicker { color: var(--ink); letter-spacing: .2em; }
.canonical-connection-list { border-bottom: 1px solid var(--section-rule); }
.canonical-connection {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
.canonical-connection-endpoint {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--ink);
  text-decoration: none;
}
.canonical-connection-endpoint:hover,
.canonical-connection-endpoint:focus-visible { color: var(--mathematics); }
.canonical-connection-topic {
  color: var(--topic-accent, var(--muted));
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.canonical-connection-endpoint strong { font: 400 clamp(22px, 2.1vw, 31px)/1.08 var(--serif); overflow-wrap: anywhere; }
.canonical-connection-date { color: var(--muted); font-size: 11px; }
.canonical-connection-relation { display: grid; gap: 5px; justify-items: center; color: var(--muted); text-align: center; }
.canonical-connection-relation strong { color: var(--ink); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.canonical-connection-relation span { font-size: 20px; line-height: 1; }
.canonical-connection-label { grid-column: 1 / -1; margin: -3px 0 0; color: var(--muted); font: 14px/1.4 var(--serif); overflow-wrap: anywhere; }

.paths-section {
  --section-rule: #c5c8c1;
  padding-block: clamp(70px, 7.2vw, 114px);
  background: var(--paper);
}
.paths-section .section-heading { margin-bottom: 54px; border-top-color: var(--section-rule); }
.paths-section .section-kicker { color: var(--muted); letter-spacing: .21em; }
.path-list { border-bottom: 1px solid var(--section-rule); }
.path-entry {
  display: grid;
  grid-template-columns: 35px minmax(80px, .3fr) minmax(300px, 1fr) 30px;
  align-items: center;
  gap: 22px;
  min-height: 122px;
  border-top: 1px solid var(--section-rule);
  text-decoration: none;
}
.path-entry:hover .path-line i,
.path-entry:focus-visible .path-line i { width: 100%; }
.path-number { color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .12em; }
.path-line { position: relative; height: 1px; background: var(--line); }
.path-line::before { content: ""; position: absolute; top: -4px; left: 0; width: 9px; height: 9px; border: 2px solid var(--topic-accent); border-radius: 50%; background: var(--paper-deep); }
.path-line i { display: block; width: 24%; height: 2px; background: var(--topic-accent); transition: width 240ms ease; }
.path-copy { display: grid; grid-template-columns: minmax(170px, .55fr) minmax(250px, 1fr) minmax(200px, .75fr); align-items: baseline; gap: 24px; }
.path-copy small { color: var(--topic-accent); font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.path-copy strong { font: 400 clamp(23px, 2.3vw, 34px)/1.1 var(--serif); }
.path-copy > span { color: var(--muted); font-size: 11px; }
.path-arrow { justify-self: end; font-size: 20px; }

.topics-section {
  --section-rule: var(--line);
  padding-block: clamp(66px, 7.2vw, 114px);
  background: var(--paper-deep);
}
.topics-section .home-shell { width: min(100% - 72px, 1540px); }
.topics-section .section-heading { margin-bottom: 42px; border-top-color: var(--section-rule); }
.topics-section .section-kicker { color: var(--ink); letter-spacing: .19em; }
.topic-entrances { border-bottom: 1px solid var(--ink); }
.topic-entrance {
  display: grid;
  grid-template-columns: 45px minmax(320px, 1.25fr) minmax(230px, .6fr) 30px;
  align-items: center;
  gap: 25px;
  min-height: 150px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: padding 180ms ease, color 180ms ease;
}
.topic-entrance:hover,
.topic-entrance:focus-visible { padding-inline: 12px; color: var(--topic-accent); }
.topic-index { color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .12em; }
.topic-entrance-copy strong { display: block; font: 400 clamp(38px, 4vw, 62px)/.95 var(--serif); letter-spacing: -.04em; }
.topic-entrance-copy span { display: block; max-width: 560px; margin-top: 10px; color: var(--muted); font: 14px/1.35 var(--serif); }
.topic-entrance-meta { color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.topic-entrance-arrow { justify-self: end; font-size: 23px; }

.home-footer { padding-block: 36px; color: var(--white); background: var(--ink); }
.home-footer .home-shell { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer-brand { color: var(--white); }
.footer-brand .home-brand-mark { border-color: currentColor; }
.home-footer p { margin: 0; color: #aeb7b2; font: 13px/1.4 var(--serif); }
.home-noscript { margin: 0; padding: 14px 24px; color: var(--white); background: #8d3f34; text-align: center; }

@media (max-width: 1080px) {
  .home-shell { width: min(100% - 48px, 1540px); }
  .topics-section .home-shell { width: min(100% - 48px, 1540px); }
  .path-copy { grid-template-columns: minmax(130px, .4fr) minmax(220px, 1fr); }
  .path-copy > span { grid-column: 2; }
}

@media (max-width: 760px) {
  html { scroll-behavior: auto; }
  .home-shell { width: min(100% - 32px, 1540px); }
  .home-header { padding-block: 16px; }
  .home-header-meta > p { display: none; }
  .home-brand small { font-size: 7px; }

  .section-heading { display: block; margin-bottom: 34px; }
  .section-heading h2 { font-size: 44px; }
  .section-heading > p { margin: 18px 0 0; font-size: 15px; }

  .canonical-connections { padding-block: 48px 70px; }
  .canonical-connections-mobile { display: block; }
  .canonical-connection { display: grid; grid-template-columns: minmax(0, 1fr) 30px minmax(0, 1fr); gap: 12px; padding-block: 28px; }
  .canonical-connection-endpoint strong { font-size: 23px; }
  .canonical-connection-relation strong { font-size: 8px; letter-spacing: .04em; }
  .canonical-connection-label { font-size: 13px; }

  .paths-section { padding-block: 58px 80px; }
  .paths-section .section-heading { margin-bottom: 36px; }
  .path-entry { grid-template-columns: 28px 30px 1fr 24px; gap: 12px; min-height: 130px; }
  .path-line { width: 30px; }
  .path-copy { display: block; }
  .path-copy small,
  .path-copy strong,
  .path-copy > span { display: block; }
  .path-copy strong { margin-block: 5px 8px; font-size: 26px; }
  .path-copy > span { font-size: 10px; }

  .topics-section { padding-block: 58px 86px; }
  .topics-section .home-shell { width: min(100% - 32px, 1540px); }
  .topic-entrance { grid-template-columns: 28px 1fr 24px; gap: 12px; min-height: 145px; }
  .topic-entrance-copy strong { font-size: 42px; }
  .topic-entrance-meta { grid-column: 2; margin-top: -20px; }
  .topic-entrance-arrow { grid-column: 3; grid-row: 1 / 3; }
  .home-footer .home-shell { display: block; }
  .home-footer p { margin-top: 20px; }
}

@media (max-width: 720px) {
  html[data-home-presentation="desktop"] .graph-heading {
    width: min(100% - 48px, 620px);
  }
  html[data-home-presentation="desktop"] .graph-heading h1 {
    font-size: clamp(44px, 13vw, 58px);
    line-height: .92;
  }
  html[data-home-presentation="desktop"] .graph-heading > p {
    max-width: 440px;
    margin-top: 22px;
    font-size: 15px;
  }
  html[data-home-presentation="desktop"] .graph-canvas,
  html[data-home-presentation="desktop"] .graph-topic-links,
  html[data-home-presentation="desktop"] .graph-concept-layer,
  html[data-home-presentation="desktop"] .graph-annotation,
  html[data-home-presentation="desktop"] .graph-guidance,
  html[data-home-presentation="desktop"] .homepage-data-status {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 1500px) and (min-width: 721px) {
  .graph-concept:nth-child(even) { opacity: 0; pointer-events: none; }
  .graph-concept:nth-child(even).is-related { opacity: 1; pointer-events: auto; }
}

@media (max-width: 1080px) and (min-width: 721px) {
  .graph-heading { width: min(49vw, 620px); }
  .graph-heading h1 { font-size: clamp(54px, 6.2vw, 72px); }
  .graph-topic-links a { min-width: 158px; padding: 11px 12px 10px 15px; }
  .graph-topic-name { font-size: 27px; }
  .graph-concept { max-width: 145px; }
  .graph-concept strong { font-size: 10px; }
  .graph-annotation { width: 270px; }
  .graph-guidance { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .graph-canvas,
  .graph-concept-layer,
  .graph-guidance { display: none !important; }
}

html[data-home-presentation="portable"] .home-shell { width: min(100% - 32px, 1540px); }

html[data-home-presentation="portable"] .home-header {
    padding-block: 14px;
}
html[data-home-presentation="portable"] .home-header-meta > p { display: none; }
html[data-home-presentation="portable"] .home-brand-mark {
    width: 36px;
    height: 36px;
}
html[data-home-presentation="portable"] .home-brand strong { font-size: 18px; }
html[data-home-presentation="portable"] .home-brand small { font-size: 7px; }

.mobile-home-intro {
    position: relative;
    min-height: 360px;
    padding-block: clamp(46px, 12vw, 68px) 44px;
    overflow: hidden;
    isolation: isolate;
}
.mobile-home-statement,
.mobile-home-deck { position: relative; z-index: 2; }
.mobile-home .home-eyebrow {
    justify-content: flex-start;
    margin-bottom: 22px;
}
.mobile-home-statement h1 {
    max-width: 8.8ch;
    margin: 0;
    font: 400 clamp(50px, 15.8vw, 68px)/.87 var(--serif);
    letter-spacing: -.057em;
}
.mobile-home-statement h1 span,
.mobile-home-statement h1 em { display: block; }
.mobile-home-statement h1 em {
    margin-top: .13em;
    color: var(--physics);
    font-weight: 400;
}
.mobile-home-deck {
    max-width: 32ch;
    margin: 28px 0 0;
    color: #58625e;
    font: 15px/1.48 var(--serif);
}
.mobile-orbit {
    position: absolute;
    z-index: 0;
    top: 36px;
    right: -132px;
    width: 286px;
    height: 286px;
    border: 1px solid rgba(22, 34, 31, .09);
    border-radius: 50%;
}
.mobile-orbit::before,
.mobile-orbit::after {
    position: absolute;
    border: 1px solid rgba(22, 34, 31, .065);
    border-radius: 50%;
    content: "";
}
.mobile-orbit::before { inset: 38px; }
.mobile-orbit::after { inset: 76px; }
.mobile-orbit span,
.mobile-orbit i {
    position: absolute;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--topic-color, var(--electricity));
}
.mobile-orbit span { top: 37px; left: 37px; --topic-color: var(--electricity); }
.mobile-orbit i { right: 74px; bottom: 73px; --topic-color: var(--biology); }

.mobile-topics {
    padding-block: 50px 68px;
    background: var(--paper-deep);
}
.mobile-section-heading {
    padding-top: 18px;
    border-top: 1px solid var(--ink);
}
.mobile-section-heading h2 {
    max-width: 10ch;
    margin: 0;
    font: 400 42px/.96 var(--serif);
    letter-spacing: -.045em;
}
.mobile-section-heading > p {
    max-width: 36ch;
    margin: 18px 0 36px;
    color: var(--muted);
    font: 14px/1.48 var(--serif);
}
.mobile-topic-list {
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--ink);
    list-style: none;
}
.mobile-topic-item {
    position: relative;
    border-top: 1px solid var(--line);
}
.mobile-topic-item::before {
    position: absolute;
    z-index: 1;
    top: 0;
    bottom: 0;
    left: 0;
    width: 2px;
    background: var(--topic-accent);
    content: "";
    transform: scaleY(.22);
    transform-origin: top;
    transition: transform 180ms ease;
}
.mobile-topic-item:focus-within::before { transform: scaleY(1); }
.mobile-topic-item a {
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr) 14px;
    gap: 12px;
    min-height: 142px;
    padding: 18px 8px 18px 12px;
    text-decoration: none;
}
.mobile-topic-index {
    padding-top: 7px;
    color: var(--muted);
    font-size: 8px;
    font-weight: 800;
    letter-spacing: .12em;
}
.mobile-topic-copy { min-width: 0; }
.mobile-topic-copy strong {
    display: block;
    color: var(--topic-accent);
    font: 400 36px/.95 var(--serif);
    letter-spacing: -.04em;
}
.mobile-topic-copy small {
    display: block;
    margin-top: 7px;
    color: var(--muted);
    font-size: 7px;
    font-weight: 800;
    letter-spacing: .09em;
    line-height: 1.35;
    text-transform: uppercase;
}
.mobile-topic-copy > span {
    display: block;
    margin-top: 9px;
    color: #58625e;
    font: 13px/1.35 var(--serif);
}
.mobile-topic-copy b {
    display: block;
    margin-top: 13px;
    color: var(--ink);
    font-size: 8px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.mobile-topic-copy b span { margin-left: 4px; font-size: 13px; }
.mobile-topic-node {
    align-self: center;
    width: 9px;
    height: 9px;
    border: 2px solid var(--topic-accent);
    border-radius: 50%;
    background: var(--paper-deep);
}
.mobile-topic-item a:focus-visible {
    outline-offset: -3px;
    background: rgba(252, 251, 247, .55);
}
.mobile-home-status {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 8px;
    letter-spacing: .06em;
}
.mobile-home-status.is-complete {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

html[data-home-presentation="portable"] .home-footer { padding-block: 28px; }
html[data-home-presentation="portable"] .home-footer .home-shell { display: block; }
html[data-home-presentation="portable"] .home-footer p { margin-top: 18px; }

@media (orientation: landscape) and (min-width: 700px) {
  html[data-home-presentation="portable"] .home-header { padding-block: 5px; }
  html[data-home-presentation="portable"] .home-brand { gap: 8px; }
  html[data-home-presentation="portable"] .home-brand-mark { width: 28px; height: 28px; }
  html[data-home-presentation="portable"] .home-brand strong { font-size: 16px; }
  html[data-home-presentation="portable"] .home-brand small { display: none; }

  .mobile-home-intro {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(240px, 1.1fr);
    align-items: end;
    gap: 40px;
    min-height: 140px;
    padding-block: 12px 16px;
  }
  .mobile-home .home-eyebrow { display: none; }
  .mobile-home-statement h1 { max-width: 10ch; font-size: clamp(39px, 5.2vw, 48px); }
  .mobile-home-deck { margin: 0 70px 3px 0; font-size: 13px; }
  .mobile-orbit { top: -58px; right: -96px; }

  .mobile-topics { padding-block: 14px 48px; }
  .mobile-section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, .8fr);
    align-items: end;
    gap: 30px;
    margin-bottom: 18px;
    padding-top: 12px;
  }
  .mobile-section-heading h2 { font-size: 32px; }
  .mobile-section-heading > p { margin: 0; font-size: 13px; }
  .mobile-topic-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .mobile-topic-item:nth-child(even) { border-left: 1px solid var(--line); }
  .mobile-topic-item:last-child { grid-column: 1 / -1; }
  .mobile-topic-item a { min-height: 132px; }
  .mobile-topic-copy strong { font-size: 32px; }
  .mobile-topic-copy > span { font-size: 12px; }
  .mobile-topic-copy b { margin-top: 10px; }

}