@font-face {
  font-family: Plex;
  src: url('/assets/fonts/ibm-plex-sans-latin-400-normal.woff2');
}
@font-face {
  font-family: Plex;
  src: url('/assets/fonts/ibm-plex-sans-latin-600-normal.woff2');
  font-weight: 600;
}
@font-face {
  font-family: Mono;
  src: url('/assets/fonts/ibm-plex-mono-latin-400-normal.woff2');
}
:root {
  color-scheme: dark;
  --bg: #1c1e22;
  --panel: #22252b;
  --line: #3b404b;
  --ink: #ebeae6;
  --muted: #a9afb9;
  --accent: #a5b4ff;
  --green: #77c5af;
  --amber: #edb16a;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 25px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    15px/1.6 Plex,
    Arial,
    sans-serif;
}
a {
  color: var(--accent);
  text-underline-offset: 4px;
}
button,
select {
  font: inherit;
  color: inherit;
  background: #292d35;
  border: 1px solid #555e70;
  border-radius: 5px;
  padding: 9px 12px;
  cursor: pointer;
  min-height: 42px;
}
button:hover:not(:disabled),
select:hover {
  border-color: var(--accent);
  background: #343b4c;
}
button:disabled,
select:disabled {
  cursor: default;
  opacity: 0.5;
}
button[aria-pressed='true'] {
  background: #49372d;
  border-color: var(--amber);
  color: #ffd49f;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}
header,
main,
footer {
  max-width: 1320px;
  width: calc(100% - 64px);
  margin: auto;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--ink);
  font-size: 24px;
  text-decoration: none;
  font-weight: 600;
}
nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 13px;
}
nav a {
  text-decoration: none;
}
.download {
  display: inline-block;
  border: 1px solid #8c9dd8;
  background: #a5b4ff;
  color: #192033;
  text-decoration: none;
  border-radius: 5px;
  padding: 10px 18px;
  font-weight: 600;
}
.intro {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 70px;
  padding: 64px 0 46px;
  align-items: center;
}
.eyebrow {
  font:
    10px/1.6 Mono,
    monospace;
  letter-spacing: 0.09em;
  color: var(--accent);
  margin: 0 0 15px;
}
h1 {
  font-size: clamp(40px, 4.8vw, 68px);
  line-height: 1.06;
  letter-spacing: -2.6px;
  font-weight: 600;
  margin: 0;
}
h1 em {
  font-style: normal;
  color: var(--accent);
}
.intro-copy {
  max-width: 460px;
  color: #c7cbd3;
  font-size: 17px;
}
.intro-copy a {
  font-size: 13px;
}
.lab {
  border: 1px solid #535b6e;
  border-radius: 10px;
  overflow: hidden;
  background: #202329;
  box-shadow: 0 15px 60px #0002;
}
.lab-heading {
  padding: 23px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.lab-heading .eyebrow {
  margin-bottom: 6px;
}
.lab-heading h2 {
  margin: 0;
  font-size: 23px;
  letter-spacing: -0.5px;
}
#clock {
  font:
    26px Mono,
    monospace;
  color: var(--accent);
  white-space: nowrap;
}
.lab-toolbar {
  padding: 13px 20px;
  background: #252932;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  border-block: 1px solid var(--line);
  font-size: 12px;
}
.scenario-buttons,
.transport {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.transport label {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
}
.transport select {
  padding-inline: 5px;
}
#close-market {
  background: #a5b4ff;
  color: #1c243e;
  border-color: #a5b4ff;
}
.worlds {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.world {
  min-width: 0;
}
.world + .world {
  border-left: 1px solid var(--line);
}
.world-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
}
.world-title h3 {
  font-size: 14px;
  margin: 0;
  font-weight: 600;
}
.world-title > span:last-child {
  font:
    8px Mono,
    monospace;
  margin-left: auto;
  color: var(--muted);
}
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  flex-shrink: 0;
}
.baseline {
  background: var(--green);
}
.experiment {
  background: var(--amber);
}
.map {
  aspect-ratio: 1100/640;
  position: relative;
  margin: 0 12px;
  border-radius: 5px;
  overflow: hidden;
  background: #f2ead9;
}
.map canvas,
.map img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.map [hidden] {
  display: none;
}
dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 15px 24px;
  gap: 12px;
}
dt {
  font-size: 10px;
  color: var(--muted);
}
dd {
  margin: 3px 0 0;
  font:
    24px Mono,
    monospace;
}
.changed dd {
  color: #edbd84;
}
.experiment-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  gap: 12px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  flex-wrap: wrap;
}
.crossings {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.crossings > span {
  font:
    9px Mono,
    monospace;
  color: var(--muted);
  margin-right: 5px;
}
.crossings button {
  padding: 7px 11px;
  font-size: 11px;
}
.crossings b {
  font-weight: 400;
  color: var(--green);
  margin-left: 6px;
}
.crossings [aria-pressed='true'] b {
  color: var(--amber);
}
#announcement {
  font-size: 12px;
  margin: 0;
  padding: 10px 24px;
  color: #c3cbdc;
  background: #282d3c;
  min-height: 42px;
}
.analysis {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 26px;
  padding: 23px 26px;
}
.analysis h3 {
  font-size: 13px;
  margin: 0;
}
.chart-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
}
.chart-title span {
  font-size: 9px;
  color: var(--muted);
}
.chart-title i {
  margin-left: 10px;
}
#chart {
  width: 100%;
  display: block;
  margin-top: 15px;
}
#chart .grid {
  stroke: #3a404c;
  stroke-width: 1;
  fill: none;
}
#line-a,
#line-b {
  fill: none;
  stroke: var(--green);
  stroke-width: 2;
}
#line-b {
  stroke: var(--amber);
  stroke-dasharray: 5 3;
}
#chart text {
  fill: var(--muted);
  font:
    9px Mono,
    monospace;
}
#difference {
  font-size: 12px;
  color: var(--accent);
  margin: 10px 0 0;
}
.experiment-log {
  border-left: 1px solid var(--line);
  padding-left: 26px;
}
#events {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  font-size: 11px;
  color: var(--muted);
  min-height: 70px;
}
#events li {
  margin-bottom: 6px;
}
#export {
  font-size: 11px;
  background: none;
}
.model-note {
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding: 15px 24px;
}
.model-note summary {
  cursor: pointer;
  color: #cbd2e2;
}
.model-note p {
  max-width: 95ch;
}
.section-head {
  max-width: 720px;
  margin-bottom: 26px;
}
.section-head h2,
.closing h2 {
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: -1px;
  margin: 0 0 16px;
}
.section-head > p:last-child {
  color: var(--muted);
}
.inside,
.breadth {
  padding-top: 90px;
}
.product-shot {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #535b6e;
  border-radius: 8px;
}
.caption {
  font-size: 11px;
  color: var(--muted);
}
.workflow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 32px;
}
.workflow article {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.workflow span {
  font:
    9px Mono,
    monospace;
  color: var(--accent);
}
.workflow h3 {
  font-size: 19px;
  margin: 14px 0 8px;
}
.workflow p {
  color: var(--muted);
  font-size: 13px;
}
.workflow a {
  font-size: 12px;
}
.breadth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.beacon-card,
.usage-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #202329;
}
.beacon-card {
  display: block;
  text-decoration: none;
}
.beacon-card img {
  width: 100%;
  height: auto;
  display: block;
}
.beacon-card span {
  display: block;
  padding: 18px;
  font-size: 13px;
}
.usage-card {
  padding: 22px;
}
.usage-card h3 {
  font-size: 18px;
  margin: 0 0 12px;
}
.usage-card img {
  width: 100%;
  height: auto;
  display: block;
}
.usage-card p {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 0;
}
.closing {
  padding: 100px 0;
  text-align: center;
}
.closing p {
  color: var(--muted);
}
.closing > a {
  margin: 16px 12px;
  font-size: 13px;
}
footer {
  border-top: 1px solid var(--line);
  padding: 25px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
  color: var(--muted);
}
.skip {
  position: absolute;
  left: 12px;
  top: -100px;
  background: var(--bg);
  padding: 10px;
  z-index: 10;
}
.skip:focus {
  top: 12px;
}
.notice {
  padding: 20px;
}
@media (max-width: 1000px) {
  header,
  main,
  footer {
    width: calc(100% - 40px);
  }
  .intro {
    gap: 35px;
  }
  h1 {
    letter-spacing: -1.8px;
  }
  .world-title {
    padding: 12px;
  }
  .world-title > span:last-child {
    display: none;
  }
  .lab-toolbar {
    padding-inline: 12px;
  }
  .analysis {
    gap: 18px;
  }
  .chart-title {
    align-items: start;
    flex-direction: column;
    gap: 6px;
  }
  .chart-title i:first-child {
    margin-left: 0;
  }
}
@media (max-width: 700px) {
  header,
  main,
  footer {
    width: calc(100% - 28px);
  }
  header {
    padding: 17px 0;
  }
  nav {
    gap: 12px;
  }
  nav > a:first-child {
    display: none;
  }
  .brand {
    font-size: 21px;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 38px 0 28px;
  }
  .intro-copy {
    font-size: 15px;
  }
  .lab-heading {
    padding: 18px 15px;
  }
  .lab-heading h2 {
    font-size: 20px;
  }
  #clock {
    font-size: 20px;
  }
  .worlds {
    grid-template-columns: 1fr;
  }
  .world + .world {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .world-title > span:last-child {
    display: inline;
    font-size: 7px;
  }
  .world-title h3 {
    font-size: 12px;
  }
  .world-title {
    padding: 13px;
  }
  dl {
    padding: 12px 18px;
  }
  dd {
    font-size: 21px;
  }
  .experiment-bottom {
    padding-inline: 12px;
  }
  .crossings > span {
    width: 100%;
  }
  .analysis {
    grid-template-columns: 1fr;
    padding: 20px 16px;
  }
  .chart-title {
    flex-direction: row;
  }
  .experiment-log {
    padding: 15px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  #announcement {
    padding: 12px 16px;
  }
  .model-note {
    padding: 15px 16px;
  }
  .inside,
  .breadth {
    padding-top: 55px;
  }
  .section-head h2,
  .closing h2 {
    font-size: 29px;
  }
  .workflow {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 20px;
  }
  .workflow article {
    padding: 18px 0;
  }
  .breadth-grid {
    grid-template-columns: 1fr;
  }
  .closing {
    padding: 65px 0;
  }
  .closing > a {
    display: table;
    margin: 18px auto;
  }
  footer {
    flex-wrap: wrap;
  }
  footer span {
    order: 3;
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}