:root {
  --ink: #202622;
  --muted: #59615d;
  --paper: #fff;
  --wash: #eef2f0;
  --line: #ccd3ce;
  --green: #1e523e;
  --highlight: #d7eec0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 5px;
}
button,
select {
  font: inherit;
}
button,
a,
select {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
a:focus-visible,
button:focus-visible,
select:focus-visible {
  outline: 3px solid #76a88d;
  outline-offset: 5px;
}
button[hidden],
[hidden] {
  display: none !important;
}
.wrap {
  width: min(1240px, calc(100% - 112px));
  margin-inline: auto;
}
.opening {
  background: #000;
  color: #fff;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding-block: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
  white-space: nowrap;
}
.header nav {
  display: flex;
  gap: 34px;
  font-size: 14px;
}
.header nav a {
  text-decoration: none;
  color: #d6dbd7;
}
.header nav a:hover {
  text-decoration: underline;
  color: #fff;
}
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 12px;
  padding-block: 102px 85px;
}
.intro {
  color: #b8c4ba;
  font-size: 14px;
  margin: 0 0 30px;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.045em;
}
h1 {
  font-size: clamp(48px, 5.5vw, 78px);
  line-height: 1.04;
  position: relative;
  z-index: 1;
}
h2 {
  font-size: clamp(38px, 4.2vw, 57px);
  line-height: 1.1;
}
h3 {
  font-size: 20px;
  line-height: 1.35;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.hero-description {
  margin-top: 29px;
  font-size: 18px;
  line-height: 1.65;
  color: #bdc2be;
}
.button {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  padding: 16px 22px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 3px;
  min-height: 50px;
}
.button span {
  font-size: 20px;
  line-height: 1;
}
.button:hover {
  background: var(--highlight);
  color: #172b1d;
}
.light {
  background: #eef2ed;
  color: #19201c;
  margin-top: 35px;
}
.dark {
  background: var(--green);
  color: #fff;
}
.hero-art {
  align-self: center;
  margin-top: 20px;
}
.hero-art svg {
  display: block;
  width: 110%;
  max-width: none;
  margin-left: -4%;
}
.hero-art figcaption {
  font-size: 12px;
  line-height: 1.8;
  color: #afb5af;
  margin: 26px 0 0 38px;
}
.hero-art figcaption span {
  display: block;
  color: #909b92;
}
.section {
  padding-block: 94px;
}
.section-label {
  font-size: 14px;
  color: var(--green);
  margin-bottom: 24px;
}
.mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.prose {
  max-width: 600px;
  padding-top: 4px;
}
.prose p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
}
.prose p + p {
  margin-top: 20px;
}
.prose .lead {
  font-size: 23px;
  line-height: 1.55;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.prose .mission-note {
  font-size: 14px;
  color: var(--green);
  margin-top: 30px;
}
.research {
  background: var(--wash);
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 60px;
  margin-bottom: 46px;
}
.section-heading > p {
  max-width: 400px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
  padding-bottom: 3px;
}
.demo {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  background: #fff;
  border-radius: 5px;
  overflow: hidden;
}
.demo-image-panel {
  background: #000;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}
.demo-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 25px;
  font-size: 12px;
  gap: 14px;
  color: #c3ccc5;
}
.demo-toolbar button {
  color: #d7eec0;
  background: transparent;
  border: 1px solid #637263;
  border-radius: 3px;
  padding: 9px 12px;
  font-size: 12px;
}
.tablet-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 810/535;
}
.tablet-stage > svg {
  display: block;
  width: 100%;
  height: 100%;
}
#sign-boxes {
  position: absolute;
  inset: 0;
}
.sign-box {
  position: absolute;
  border: 1px solid #d7eec0b0;
  background: transparent;
  border-radius: 1px;
  padding: 0;
}
.sign-box:hover,
.sign-box[aria-pressed="true"] {
  background: #d7eec025;
  border: 2px solid #e2ffbe;
  z-index: 2;
}
.sign-box:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
  z-index: 3;
}
.image-credit {
  padding: 18px 25px 24px;
  font-size: 11px;
  line-height: 1.6;
  color: #aeb9b0;
}
.demo-details {
  padding: 34px 38px;
}
.demo-details .section-label {
  margin-bottom: 16px;
}
.demo-details h3 {
  font:
    400 32px/1.12 Georgia,
    serif;
  letter-spacing: -0.03em;
}
.demo-details > p:not(.section-label) {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  margin-top: 18px;
}
#demo-controls {
  margin-top: 23px;
}
#demo-controls label {
  display: block;
  font-size: 12px;
  margin-bottom: 8px;
}
select {
  width: 100%;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  min-height: 42px;
}
#candidate-panel {
  margin-top: 18px;
}
.candidate-title {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}
.candidates {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.candidates li {
  font-size: 13px;
  padding: 8px 10px;
  background: var(--wash);
  border-radius: 3px;
}
.candidates li:first-child {
  background: #dceadf;
}
.candidates small {
  font-size: 10px;
  color: #59615d;
  display: block;
  margin-top: 4px;
}
.demo-details .demo-note {
  font-size: 11px !important;
  margin-top: 20px !important;
  line-height: 1.6 !important;
}
.research-bottom {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
  margin-top: 27px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}
.research-bottom p {
  max-width: 540px;
}
.text-link {
  color: var(--green);
  white-space: nowrap;
  text-decoration: none;
  border-bottom: 1px solid #879c8d;
  padding-block: 8px;
  display: inline-flex;
  gap: 26px;
}
.text-link:hover {
  border-color: var(--green);
}
.contributions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 50px;
}
.contributions article {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.contributions p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  margin-top: 13px;
}
.participate-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  margin-top: 49px;
}
.participate-footer p {
  max-width: 460px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.footer {
  background: var(--wash);
  padding-block: 32px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer .brand {
  font-size: 15px;
}
.footer p,
.footer-inner > a:last-child {
  font-size: 12px;
  color: var(--muted);
}
.skip {
  position: fixed;
  top: -100px;
  left: 20px;
  background: #fff;
  color: #000;
  padding: 14px;
  z-index: 10;
}
.skip:focus {
  top: 10px;
}
.loading {
  font-size: 13px;
  color: var(--muted);
}
@media (min-width: 1500px) {
  .hero {
    padding-block: 125px 110px;
  }
}
@media (max-width: 1050px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .hero {
    padding-block: 80px 65px;
  }
  h1 {
    font-size: 57px;
  }
  .hero-art svg {
    width: 100%;
    margin-left: 0;
  }
  .mission {
    gap: 50px;
  }
  .demo-details {
    padding: 28px;
  }
  .demo {
    grid-template-columns: 1.3fr 1fr;
  }
  .contributions {
    gap: 28px;
  }
  .section-heading {
    gap: 40px;
  }
  .section-heading > p {
    max-width: 330px;
  }
  .footer-inner {
    flex-wrap: wrap;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .header {
    padding-block: 22px;
    flex-wrap: wrap;
    gap: 23px;
  }
  .brand {
    font-size: 16px;
  }
  .header nav {
    gap: 25px;
    font-size: 13px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 47px 37px;
  }
  .intro {
    margin-bottom: 21px;
    font-size: 13px;
  }
  h1 {
    font-size: clamp(43px, 9.5vw, 64px);
  }
  .hero-description {
    font-size: 16px;
    margin-top: 23px;
  }
  .light {
    margin-top: 26px;
  }
  .hero-art {
    margin-top: 0;
  }
  .hero-art svg {
    width: 100%;
    margin: 0;
  }
  .hero-art figcaption {
    margin: 10px 0 0;
    font-size: 11px;
  }
  .hero-art figcaption span {
    display: inline;
    margin-left: 10px;
  }
  .section {
    padding-block: 60px;
  }
  .mission {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .section-label {
    margin-bottom: 17px;
  }
  h2 {
    font-size: 40px;
  }
  .prose .lead {
    font-size: 21px;
  }
  .prose p {
    font-size: 16px;
  }
  .section-heading {
    display: block;
    margin-bottom: 30px;
  }
  .section-heading > p {
    margin-top: 25px;
    max-width: 100%;
    font-size: 16px;
  }
  .demo {
    grid-template-columns: 1fr;
  }
  .demo-toolbar {
    padding: 16px;
    font-size: 11px;
  }
  .demo-details {
    padding: 28px;
  }
  .demo-details h3 br {
    display: none;
  }
  .demo-details h3 {
    font-size: 29px;
  }
  .image-credit {
    padding: 14px 16px 20px;
    font-size: 10px;
  }
  .research-bottom {
    display: block;
    margin-top: 23px;
  }
  .research-bottom .text-link {
    margin-top: 17px;
  }
  .contributions {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 30px;
  }
  .contributions article {
    padding-top: 20px;
  }
  .contributions p {
    margin-top: 10px;
  }
  .participate-footer {
    display: block;
    margin-top: 34px;
  }
  .participate-footer .button {
    margin-top: 22px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 17px;
  }
  .footer {
    padding-block: 28px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

.research-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
@media (max-width: 760px) {
  .research-links {
    gap: 20px;
  }
}

.research-questions {
  margin-top: 48px;
  max-width: 850px;
}
.research-questions h3 {
  margin-bottom: 20px;
}
.research-questions details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.research-questions summary {
  cursor: pointer;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 500;
}
.research-questions summary:focus-visible {
  outline: 3px solid #76a88d;
  outline-offset: 5px;
}
.research-questions details p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 75ch;
}
