:root {
  --paper: #fff;
  --paper-2: #f7f7f7;
  --ink: #303030;
  --muted: #707070;
  --rule: #e5e5e5;
  --accent: #24735e;
  --max: 1040px;
  --read: 860px;
  --font: "Noto Sans", Arial, sans-serif;
  --serif: "Castoro", Georgia, serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 17px/1.75 var(--font);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration-color: #bbb;
  text-underline-offset: 4px;
}
a:hover {
  color: var(--accent);
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}
img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.035em;
}
h2 {
  font-size: 36px;
  margin-bottom: 14px;
}
h3 {
  font-size: 24px;
  margin: 36px 0 12px;
}
p {
  margin: 0 0 1em;
}
button {
  font: inherit;
}
sup {
  font-size: 0.65em;
}
figure {
  margin: 34px 0;
}
figcaption {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin: 14px auto 0;
  text-align: center;
  max-width: 850px;
}
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #000;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 36px;
}
.hero {
  /* The cover grows with the window: title, video and caption row fill the
     first screen, never narrower than the published 1040px, at most 1720px. */
  --cover-width: clamp(
    min(100%, 1040px),
    calc((100svh - 270px) * 2.3),
    min(100%, 1720px)
  );
}
.hero-media {
  position: relative;
  width: min(100%, 1040px);
  width: var(--cover-width);
  aspect-ratio: 2.3;
  overflow: hidden;
  margin-top: 12px;
}
.hero video,
.hero-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 70%;
}
.hero-media:after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* The left UV light spreads further than the right one; a longer left
     fade gives both sides the same black margin. */
  background:
    linear-gradient(90deg, #000 3.0%, rgb(0 0 0 / 0.90) 5.8%, rgb(0 0 0 / 0.65) 8.6%, rgb(0 0 0 / 0.35) 11.4%, rgb(0 0 0 / 0.10) 14.2%, transparent 17.0%, transparent 94%, #000),
    linear-gradient(180deg, #000, transparent 14%, transparent 86%, #000);
}
.hero-inner {
  max-width: 1240px;
  text-align: center;
  padding: 48px 32px 0;
}
.hero h1 {
  font-size: clamp(36px, 3.1vw, 46px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.hero h1 span {
  display: block;
}
.hero-meta {
  max-width: 1100px;
  padding: 0 24px;
  text-align: center;
}
.authors {
  font-size: 17px;
  line-height: 1.9;
  max-width: 1000px;
  margin: 20px auto 8px;
}
.authors a {
  text-decoration: none;
}
.authors a:hover {
  text-decoration: underline;
  color: #fff;
}
.affil {
  font-size: 15px;
  color: #ffffffd9;
  margin: 3px 0;
}
.venue {
  font-size: 14px;
  font-style: italic;
  letter-spacing: 0.02em;
  margin: 14px 0 0;
  color: #ffffffb8;
}
.buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 18px 0 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 20px;
  border-radius: 25px;
  background: #fffffff0;
  color: #252525;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  text-shadow: none;
}
.btn:hover {
  background: #fff;
  color: #111;
}
.btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hero-foot {
  width: min(100%, 1040px);
  width: var(--cover-width);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: #ffffffb3;
}
.hero-foot p {
  margin: 0;
}
.motion-toggle {
  color: inherit;
  background: transparent;
  border: 1px solid #ffffff55;
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  cursor: pointer;
}
.motion-toggle:hover {
  border-color: #fff;
  color: #fff;
}
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #fffffff2;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav ul {
  list-style: none;
  max-width: var(--max);
  padding: 0 20px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 26px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav a {
  display: block;
  padding: 18px 0 16px;
  border-bottom: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  font-size: 13px;
  color: #656565;
}
.nav a.active {
  color: #222;
  border-bottom-color: #777;
}
.nav a:hover {
  color: #111;
}
.wrap {
  max-width: var(--max);
  margin: auto;
}
.read {
  max-width: var(--read);
  margin: auto;
}
.section {
  padding: 78px 28px 80px;
}
.section + .section > .read:first-child:before {
  content: "";
  display: block;
  height: 1px;
  background: var(--rule);
  margin: -78px 0 70px;
}
.section.tint {
  background: #fff;
}
.section-heading {
  text-align: center;
  margin-bottom: 28px;
}
.question {
  font: italic 24px/1.45 var(--serif);
  letter-spacing: -0.015em;
  color: #666;
  text-align: center;
  margin: 0 auto 28px;
}
.section .lede {
  font-size: 17px;
  color: var(--ink);
}
.statement {
  padding: 84px 28px 34px;
  text-align: center;
}
.statement h2 {
  font-size: clamp(29px, 3vw, 40px);
  line-height: 1.3;
  margin: 0 auto 25px;
  max-width: 920px;
}
.statement h2 em {
  font-family: var(--serif);
  font-weight: 400;
}
.statement > p {
  max-width: 850px;
  font-size: 21px;
  line-height: 1.65;
  margin: 0 auto;
  color: #555;
}
.statement > p + p {
  margin-top: 16px;
}
.abstract {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0;
  margin: 32px auto 0;
  max-width: var(--read);
  text-align: left;
}
.abstract summary,
.evidence summary {
  cursor: pointer;
  font-size: 15px;
  padding: 16px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-weight: 500;
}
.abstract summary:after,
.evidence summary:after {
  content: "+";
  color: #777;
}
.abstract[open] summary:after,
.evidence[open] summary:after {
  content: "−";
}
.abstract p {
  font-size: 16px;
}
.abstract summary::-webkit-details-marker,
.evidence summary::-webkit-details-marker {
  display: none;
}
.evidence {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 32px auto 0;
}
.evidence figure {
  margin-top: 16px;
}
.evidence > summary span {
  font-weight: 400;
  color: var(--muted);
  font-size: 13px;
}
.zoom {
  display: block;
  cursor: zoom-in;
}
figure img {
  width: 100%;
  border-radius: 0;
}
figure.narrow {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.video-frame {
  overflow: hidden;
  background: #030712;
  border-radius: 2px;
}
.video-frame video {
  width: 100%;
  aspect-ratio: 16/9;
}
.demo {
  margin: 32px 0;
}
.section.demo-intro {
  padding-top: 0;
}
.demo-intro .demo {
  margin-top: 8px;
}
.demo video {
  width: 100%;
  background: #050711;
}
.demo-tools {
  text-align: center;
  margin: 10px 0 0;
}
.demo-tools .motion-toggle {
  color: #666;
  border-color: #ddd;
}
.demo-tools .motion-toggle:hover {
  color: #222;
  border-color: #aaa;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  margin: 18px 0 0;
}
.chip {
  border: 0;
  border-bottom: 1px solid #ccc;
  background: none;
  font-size: 12px;
  padding: 4px 0;
  cursor: pointer;
  color: #555;
}
.chip span {
  color: #888;
  margin-right: 5px;
  font-variant-numeric: tabular-nums;
}
.chip:hover {
  color: #111;
  border-color: #222;
}
.stats {
  max-width: 860px;
  margin: 30px auto 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 25px 0;
}
.stat {
  text-align: center;
}
.stat + .stat {
  border-left: 1px solid var(--rule);
}
.stat b {
  display: block;
  color: #333;
  font-size: 36px;
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.04em;
}
.stat span {
  display: block;
  color: #777;
  font-size: 12px;
  margin-top: 8px;
}
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 16px 0 24px;
}
th,
td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--rule);
}
th {
  font-weight: 500;
  color: #666;
}
td.num,
th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
tr.total {
  font-weight: 600;
}
.result-note {
  font-size: 14px;
  color: #777;
  text-align: center;
  margin-top: -18px;
}
.author-list {
  text-align: center;
  line-height: 2;
  font-size: 17px;
}
.author-list a {
  text-decoration: none;
}
.author-notes {
  text-align: center;
  color: #777;
  font-size: 14px;
}
.release-note {
  font-size: 14px;
  color: #777;
  text-align: center;
  margin: 26px 0;
}
.citation {
  min-width: 0;
}
.citation-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin: 0 0 14px;
  font-size: 13px;
}
.citation-tools button {
  border: 1px solid #ccc;
  border-radius: 20px;
  background: #fff;
  color: var(--ink);
  padding: 6px 14px;
  font-size: 12px;
  cursor: pointer;
}
.citation-tools button:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.citation pre {
  max-width: 100%;
  margin: 0;
  padding: 20px;
  background: var(--paper-2);
  color: #444;
  font: 12px/1.75 var(--mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.citation code {
  font: inherit;
}
.citation-status {
  min-height: 1.75em;
  margin: 10px 0 14px;
  color: var(--muted);
  font-size: 12px;
}
.qa details {
  border-top: 1px solid var(--rule);
  padding: 7px 0;
}
.qa details:last-child {
  border-bottom: 1px solid var(--rule);
}
.qa summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-size: 16px;
  font-weight: 500;
  list-style: none;
  padding: 14px 0;
}
.qa summary:after {
  content: "+";
  color: #999;
}
.qa details[open] summary:after {
  content: "−";
}
.qa details p {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  padding: 0 20px 10px 0;
}
.qa summary::-webkit-details-marker {
  display: none;
}
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: #070c16eb;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 35px;
  cursor: zoom-out;
}
.lightbox.open {
  display: flex;
}
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  background: #fff;
}
.lightbox button {
  position: absolute;
  top: 10px;
  right: 15px;
  border: 0;
  color: white;
  background: none;
  font: 32px/1 var(--font);
  padding: 10px;
  cursor: pointer;
}
footer {
  padding: 36px 24px 44px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
  text-align: center;
  color: #888;
  line-height: 1.9;
}
@media (min-width: 1600px) {
  .hero h1 {
    font-size: 48px;
  }
}
@media (max-width: 800px) {
  .hero {
    padding-bottom: 30px;
  }
  .hero-media {
    aspect-ratio: 1.6;
  }
  .hero-media:after {
    background:
      linear-gradient(90deg, #000 0.0%, rgb(0 0 0 / 0.90) 2.2%, rgb(0 0 0 / 0.65) 4.4%, rgb(0 0 0 / 0.35) 6.6%, rgb(0 0 0 / 0.10) 8.8%, transparent 11.0%, transparent 94%, #000),
      linear-gradient(180deg, #000, transparent 14%, transparent 86%, #000);
  }
  .hero-inner {
    padding: 42px 26px 0;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero h1 span {
    display: inline;
  }
  .hero h1 span + span:before {
    content: " ";
  }
  .authors {
    font-size: 15px;
    line-height: 1.9;
    margin-top: 24px;
  }
  .affil {
    font-size: 13px;
  }
  .hero-foot {
    padding: 8px 24px 0;
    font-size: 10px;
  }
  .nav ul {
    justify-content: flex-start;
    gap: 22px;
  }
  .section {
    padding: 60px 22px;
  }
  .section + .section > .read:first-child:before {
    margin: -60px 0 52px;
  }
  h2 {
    font-size: 30px;
  }
  .question {
    font-size: 22px;
  }
  .statement {
    padding: 58px 24px 16px;
  }
  .statement > p {
    font-size: 18px;
  }
  .stats {
    gap: 10px;
  }
  .stat b {
    font-size: 29px;
  }
  .stat span {
    font-size: 11px;
    padding: 0 4px;
  }
  .evidence > summary span {
    display: none;
  }
}
@media (max-width: 440px) {
  body {
    font-size: 16px;
  }
  .hero-inner {
    padding: 34px 22px 0;
  }
  .hero h1 {
    font-size: 29px;
    line-height: 1.22;
  }
  .hero-foot p {
    max-width: 190px;
  }
  .buttons {
    gap: 8px;
  }
  .btn {
    padding: 8px 16px;
    font-size: 13px;
  }
  .stat b {
    font-size: 26px;
  }
  .statement h2 {
    font-size: 28px;
  }
  .section-heading {
    font-size: 28px;
  }
  .lightbox {
    padding: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Narrative preview: result, research question, sensing principle, and evidence. */
.eyebrow,
.step-label {
  font: 600 12px/1.5 var(--font);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}
.eyebrow {
  text-align: center;
}
.story-intro {
  text-align: center;
}
.story-intro .section-heading {
  margin-bottom: 20px;
  text-wrap: balance;
}
.section-lede {
  font-size: 19px;
  line-height: 1.7;
  color: #656565;
  max-width: 780px;
  margin: 0 auto 36px;
}
.section.demo-intro {
  padding-top: 80px;
}
.section + .section > .read:first-child:before {
  display: none;
}
.story-question {
  background: #f1f5f3;
  padding-top: 90px;
  padding-bottom: 92px;
}
.story-question .read {
  max-width: 1000px;
  text-align: center;
}
.story-question h2 {
  font: 400 clamp(32px, 3.2vw, 46px)/1.35 var(--serif);
  letter-spacing: -0.035em;
  color: #193f34;
  max-width: 1000px;
  margin: 0 auto 32px;
  text-wrap: balance;
}
.question-context {
  max-width: 740px;
  margin: 0 auto 28px;
  color: #53655e;
}
.research-question {
  font-size: 21px;
  max-width: 740px;
  margin: 0 auto;
  color: #1e4639;
}
.solution-step {
  margin-top: 58px;
}
.solution-step h3 {
  margin: 0 0 20px;
  font-size: 30px;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.principle-figure {
  max-width: 920px;
}
.solution-comparison {
  display: grid;
  grid-template-columns: 0.9fr 1.25fr;
  align-items: center;
  gap: 44px;
  padding-top: 46px;
  border-top: 1px solid var(--rule);
}
.solution-comparison figure {
  margin: 0;
}
.solution-comparison figcaption {
  text-align: left;
}
.fabrication-details {
  margin-top: 34px;
}
.fabrication-details .evidence > p {
  max-width: var(--read);
  font-size: 15px;
  margin: 12px auto;
}
.story-system {
  background: #fafafa;
}
.pipeline-heading {
  padding-top: 46px;
  margin-top: 64px;
  border-top: 1px solid var(--rule);
}
.pipeline-heading h3 {
  margin-top: 0;
}
.performance-subheading {
  margin-top: 42px;
  padding-top: 8px;
}
.performance-moving {
  margin-top: 72px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}
#paper {
  border-top: 1px solid var(--rule);
}
#video {
  padding-top: 26px;
}
#whiskers, #pipeline, #results, #moving {
  scroll-margin-top: 90px;
}
@media (max-width: 800px) {
  .section.demo-intro {
    padding-top: 58px;
  }
  .section-lede {
    font-size: 17px;
  }
  .story-question {
    padding: 68px 24px;
  }
  .wide-break {
    display: none;
  }
  .research-question {
    font-size: 19px;
  }
  .solution-comparison {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .solution-step h3 {
    font-size: 27px;
  }
  .solution-step {
    margin-top: 42px;
  }
  .solution-comparison figcaption {
    text-align: center;
  }
  .pipeline-heading {
    margin-top: 42px;
  }
}