:root {
  --ink:#242a30;
  --muted:#626d75;
  --accent:#36756d;
  --line:#e2e8e5;
  --wash:#f5f8f6;
  --soft:#eaf3ee;
  --max:1100px
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:85px
}
body {
  margin:0;
  color:var(--ink);
  font-family:Inter,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased
}
a {
  color:inherit;
  text-decoration:none
}
a:hover {
  color:var(--accent)
}
button {
  font:inherit;
  cursor:pointer
}
a,button {
  -webkit-tap-highlight-color:transparent
}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:5px
}
img {
  max-width:100%;
  height:auto;
  display:block
}
figure {
  margin:0
}
figcaption {
  font-size:14px;
  color:var(--muted);
  line-height:1.6;
  text-align:center;
  margin-top:16px
}
p {
  margin:0 0 18px
}
h1,h2,h3 {
  line-height:1.2;
  letter-spacing:-.035em
}
h2 {
  font-size:34px;
  margin:0 0 18px;
  font-weight:650
}
h3 {
  font-size:21px;
  margin:0 0 16px;
  font-weight:650
}
.wrap {
  max-width:var(--max);
  margin:0 auto;
  padding-inline:28px
}
.reading {
  max-width:810px;
  margin:auto;
  padding-inline:28px
}
.site-header {
  border-bottom:1px solid var(--line);
  background:#ffffffed;
  position:sticky;
  top:0;
  z-index:10;
  backdrop-filter:blur(12px)
}
.nav {
  height:66px;
  display:flex;
  justify-content:space-between;
  align-items:center
}
.wordmark {
  font-weight:750;
  font-size:19px;
  letter-spacing:-.05em
}
.wordmark span {
  color:var(--accent)
}
.nav-links {
  display:flex;
  gap:28px;
  font-size:15px;
  font-weight:550
}
.hero {
  padding-top:65px;
  padding-bottom:0;
  text-align:center
}

.project-name {
  display:block;
  font-size:64px;
  letter-spacing:-.055em;
  margin-bottom:17px;
  font-weight:760
}
.paper-title {
  display:block;
  font-size:36px;
  font-weight:600;
  line-height:1.22;
  letter-spacing:-.035em
}
h1 {
  margin:0 0 24px
}
.tagline {
  margin:30px auto 36px;
  font-size:18px;
  line-height:1.65;
  color:var(--muted)
}
.tagline strong {
  font-size:21px;
  color:var(--ink);
  font-weight:600
}
.hero-figure {
  margin:0 -12px
}
.figure-link {
  display:block;
  cursor:zoom-in;
  border-radius:6px
}
.figure-link img {
  width:100%
}
.metric-strip {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  margin-top:36px;
  padding:27px 0 33px
}
.metric-strip>div+div {
  border-left:1px solid var(--line)
}
.metric-strip strong {
  display:block;
  font-size:23px;
  letter-spacing:-.03em;
  font-weight:650
}
.metric-strip>div>span {
  font-size:14px;
  color:var(--muted)
}
.metric-arrow {
  font-weight:400;
  color:var(--accent)
}
.section {
  padding-block:76px
}
.tinted {
  background:var(--wash);
  border-block:1px solid #edf1ee
}
.reading h2 {
  text-align:center
}
.reading p {
  color:#4b555d;
  line-height:1.9
}
.section-heading {
  text-align:center;
  max-width:760px;
  margin:0 auto 38px
}
.section-subtitle {
  font-size:20px;
  font-weight:400;
  line-height:1.5;
  letter-spacing:0;
  color:var(--muted);
  margin:0 0 10px
}
.section-heading>p:last-child {
  color:var(--muted)
}
.steps {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  margin-bottom:60px
}
.step-number {
  display:block;
  color:var(--accent);
  font-size:12px;
  font-weight:650;
  border-top:2px solid #b4d0c3;
  padding-top:15px;
  margin-bottom:14px
}
.steps h3 {
  margin-bottom:12px
}
.steps p,.method-grid p {
  font-size:15px;
  color:var(--muted);
  line-height:1.75
}
.method-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px
}
.method-grid img {
  background:white
}
.method-grid article>p {
  min-height:75px
}
.task-picker {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-bottom:25px
}
.task-button {
  border:1px solid var(--line);
  background:transparent;
  border-radius:8px;
  padding:16px 18px;
  text-align:left;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:11px;
  color:var(--muted)
}
.task-button span {
  font-size:14px;
  color:var(--ink);
  font-weight:600
}
.task-button small {
  margin-left:auto;
  font-size:12px
}
.task-button.active {
  border-color:var(--accent);
  background:var(--soft);
  color:var(--accent)
}
.task-panel {
  background:white;
  border:1px solid var(--line);
  border-radius:12px;
  padding:30px
}
.task-copy {
  display:grid;
  grid-template-columns:1fr 210px;
  gap:55px;
  margin-bottom:26px
}
.task-copy p {
  font-size:14px;
  color:var(--muted);
  margin:0
}
.task-stat {
  border-left:1px solid var(--line);
  padding-left:26px;
  align-self:center
}
.task-stat>span,.task-stat small {
  display:block;
  font-size:13px;
  color:var(--muted)
}
.task-stat strong {
  display:block;
  font-size:26px;
  letter-spacing:-.04em;
  color:var(--accent);
  line-height:1.6
}
.task-panel figure {
  max-width:870px;
  margin:auto
}
.replan-block {
  display:grid;
  grid-template-columns:.85fr 1.4fr;
  gap:50px;
  margin-top:64px;
  align-items:center
}
.replan-block p {
  font-size:14px
}
.replan-block h3 {
  font-size:27px
}
.muted {
  color:var(--muted)
}
.table-scroll {
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:8px
}
table {
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  text-align:center;
  font-variant-numeric:tabular-nums
}
caption {
  text-align:left;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  padding:16px 20px;
  background:var(--wash)
}
th,td {
  padding:13px 18px;
  border-bottom:1px solid var(--line);
  white-space:nowrap
}
thead th {
  background:#fafbfa;
  font-size:12px;
  font-weight:600
}
tbody th {
  text-align:left;
  font-weight:450
}
tr:last-child>* {
  border-bottom:0
}
.highlight {
  background:var(--soft)
}
.highlight>* {
  font-weight:600
}
.result-figure {
  max-width:790px;
  margin:44px auto 0
}
.reconstruction-heading {
  margin-top:80px
}
.reconstruction-grid {
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:32px;
  align-items:center
}
.rendering-table {
  font-size:13px
}
.rendering-table th,.rendering-table td {
  padding:10px 12px
}
.table-note {
  font-size:11px;
  color:var(--muted);
  padding:10px 16px;
  margin:0;
  border-top:1px solid var(--line)
}
footer {
  display:flex;
  align-items:center;
  gap:20px;
  padding-block:32px;
  font-size:13px;
  color:var(--muted)
}
footer p {
  margin:0
}
footer .credit {
  margin-left:auto
}
footer .wordmark {
  font-size:16px
}
.credit a {
  text-decoration:underline;
  text-underline-offset:3px
}
.skip-link {
  position:fixed;
  top:-80px;
  left:16px;
  z-index:100;
  background:var(--ink);
  color:white;
  padding:12px
}
.skip-link:focus {
  top:12px
}
dialog {
  border:1px solid var(--line);
  border-radius:12px;
  padding:20px;
  max-width:95vw;
  width:1200px;
  max-height:92vh;
  overflow:auto;
  color:var(--ink)
}
dialog::backdrop {
  background:#182321cc;
  backdrop-filter:blur(5px)
}
.dialog-toolbar {
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:12px;
  color:var(--muted);
  margin-bottom:16px
}
.dialog-toolbar button {
  background:var(--wash);
  border:1px solid var(--line);
  padding:7px 14px;
  border-radius:20px;
  font-size:12px
}
dialog img {
  width:100%;
  object-fit:contain;
  max-height:72vh
}
dialog p {
  font-size:13px;
  color:var(--muted);
  margin:16px 0 0;
  text-align:center
}
body:has(dialog[open]) {
  overflow:hidden
}
@media(min-width:1500px) {
  :root {
    --max:1200px
  }
}
@media(max-width:760px) {
  .wrap {
    padding-inline:20px
  }
  .nav-links {
    gap:17px;
    font-size:12px
  }
  .hero {
    padding-top:42px
  }
  .project-name {
    font-size:50px
  }
  .paper-title {
    font-size:28px
  }
  .desktop-break {
    display:none
  }
  .tagline {
    font-size:16px;
    margin-top:34px
  }
  .tagline strong {
    font-size:19px
  }
  .metric-strip strong {
    font-size:19px
  }
  .metric-strip>div>span {
    display:block;
    font-size:12px;
    padding:0 6px
  }
  .section {
    padding-block:54px
  }
  h2 {
    font-size:29px
  }
  .section-subtitle {
    font-size:18px
  }
  .steps {
    gap:18px
  }
  .method-grid {
    gap:28px;
    grid-template-columns:1fr
  }
  .method-grid article>p {
    min-height:0
  }
  .task-picker {
    gap:7px
  }
  .task-button {
    padding:12px 9px;
    gap:5px;
    flex-wrap:wrap
  }
  .task-button span {
    font-size:12px
  }
  .task-button small {
    width:100%;
    margin:0
  }
  .task-panel {
    padding:20px
  }
  .task-copy {
    gap:20px;
    grid-template-columns:1fr
  }
  .task-stat {
    border-left:0;
    border-top:1px solid var(--line);
    padding:15px 0 0
  }
  .replan-block,.reconstruction-grid {
    grid-template-columns:1fr;
    gap:25px
  }
  .task-panel figure {
    margin-inline:-8px
  }
  footer {
    flex-wrap:wrap;
    gap:10px 20px
  }
  footer .credit {
    margin-left:0
  }
  .reading p {
    font-size:15px
  }
  .reconstruction-heading {
    margin-top:55px
  }
}
@media(max-width:430px) {
  .nav-links {
    gap:12px
  }
  .project-name {
    font-size:44px
  }
  .paper-title {
    font-size:25px
  }
  .metric-strip {
    gap:8px
  }
  .metric-strip strong {
    font-size:16px
  }
  .steps {
    grid-template-columns:1fr;
    gap:16px;
    margin-bottom:35px
  }
  .steps p {
    margin:0
  }
  .step-number {
    margin-bottom:8px
  }
  .hero-figure {
    margin-inline:-9px
  }
  h2 {
    font-size:26px
  }
  .task-button {
    font-size:10px
  }
  .task-button span {
    font-size:11px
  }
  .reading {
    padding-inline:22px
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  * {
    transition:none!important
  }
}

.video-pair { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.video-pair figure { min-width:0; margin:0; }
.video-label { margin:0 0 10px; text-align:left; font-size:16px; font-weight:650; color:var(--ink); }
.video-pair video { display:block; width:100%; height:auto; aspect-ratio:848/480; background:#17201d; border-radius:6px; }
.video-actions { display:flex; flex-wrap:wrap; justify-content:center; gap:12px; margin-top:22px; }
.video-actions button { border:1px solid var(--line); border-radius:6px; background:var(--wash); color:var(--ink); padding:9px 16px; font-size:14px; }
.video-actions button:hover { border-color:var(--accent); }
.video-note { max-width:720px; margin:15px auto 0; text-align:center; font-size:13px; color:var(--muted); }
#playback-status:empty { display:none; }
@media(max-width:760px) { .video-pair { grid-template-columns:1fr; gap:20px; } .video-pair figure { margin:0; } }

:root{--ink:#19332e;--accent:#287461;--muted:#64746d;--max:1160px}
.hero{padding-bottom:64px}.project-name>span{color:var(--accent)}.hero-concepts{display:flex;align-items:center;justify-content:center;gap:19px;margin:0 auto 36px;font-size:14px;font-weight:600;color:var(--accent)}.hero-concepts b{font-weight:400;color:#8ca399}
.overview-film{max-width:1000px;margin:auto;padding:24px;background:var(--wash);border:1px solid #bbcec7;border-radius:16px;box-shadow:0 12px 36px #17322e0c;scroll-margin-top:90px}.film-title{margin:0 0 20px;text-align:left;font-size:28px;letter-spacing:-.02em}.overview-film video{display:block;width:100%;aspect-ratio:16/9;background:#17201d;border:1px solid var(--line);border-radius:8px}
.eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}h2{font-size:36px;font-weight:700}h3{font-size:25px;font-weight:650}h4{font-size:17px;line-height:1.4;margin:0 0 7px}.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.problem-grid p{color:var(--muted);font-size:15px}.problem-grid h3{font-size:22px;letter-spacing:-.025em}.section-takeaway{text-align:center;max-width:840px;margin:36px auto 0;padding-top:26px;border-top:1px solid var(--line);font-size:19px;font-weight:550;color:var(--accent)}
.method-chapter{margin-top:68px;padding-top:44px;border-top:1px solid var(--line)}.chapter-heading,.result-heading{display:flex;align-items:flex-start;gap:23px;margin-bottom:30px}.chapter-number{font-size:16px;font-weight:600;color:var(--accent);width:42px;height:42px;display:grid;place-items:center;background:var(--soft);border-radius:50%;flex-shrink:0}.chapter-heading .eyebrow{margin-bottom:7px}.chapter-heading h3,.result-heading h3{margin-bottom:8px;font-size:27px}.method-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:45px;align-items:center}.method-grid p{color:var(--muted)}.method-grid figure{min-width:0}.representation-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:25px 0}.representation-pair>div{border-left:2px solid #b4d0c3;padding-left:16px}.representation-pair p{font-size:14px;margin:0}.method-grid .muted{font-size:14px}.keypoint-grid{grid-template-columns:.9fr 1.1fr}.keypoint-grid img{max-height:395px;object-fit:contain;background:var(--wash);border-radius:6px}.constraint-flow{padding:0;list-style:none;margin:27px 0 0}.constraint-flow li{display:flex;gap:15px;padding:13px 0;border-top:1px solid var(--line)}.constraint-flow li>span{font-size:12px;color:var(--accent);font-weight:650;padding-top:3px}.constraint-flow p{font-size:14px;margin:0}.constraint-flow h4{margin-bottom:4px}.chapter-intro{max-width:800px;color:var(--muted);margin-bottom:30px}
.verification-loop{margin-top:30px;padding:28px 32px;background:var(--wash);border:1px solid var(--line);border-radius:8px}.loop-sequence{display:flex;justify-content:center;gap:25px;font-size:19px;font-weight:600;color:var(--accent)}.loop-sequence b{font-weight:400}.verification-checks{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin:27px 0}.verification-checks p{font-size:14px;color:var(--muted);margin:0}.loop-outcomes{display:grid;grid-template-columns:1fr 1fr;gap:18px;border-top:1px solid var(--line);padding-top:22px}.loop-outcomes article{padding:18px 20px;border-radius:7px;background:#fff;border-left:3px solid #a57038}.loop-outcomes .outcome-execute{border-left-color:var(--accent)}.loop-outcomes h4{margin:0 0 8px;font-size:17px}.outcome-revise h4{color:#875820}.outcome-execute h4{color:var(--accent)}.loop-outcomes p{margin:0;font-size:15px;line-height:1.55;color:var(--ink)}
.task-copy h3{font-size:26px}.task-stat span{font-size:12px}.task-stat small{font-size:11px}.task-video-frame{position:relative}.task-video-frame svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.task-video-frame svg rect{fill:none;stroke:#e75445;stroke-width:7}.task-video-frame svg[hidden]{display:none}.task-outcome:empty{display:none}.task-outcome{text-align:center;margin:18px 0 0;font-size:15px;font-weight:600;color:#a54435}.inline-flow{font-weight:600;color:var(--accent);font-size:15px}.replan-block h3{font-size:25px}.replan-block p{font-size:15px}
.result-chapter{border-top:1px solid var(--line);padding-top:36px;margin-top:48px}.result-heading p{color:var(--muted);margin:0}.result-chapter>figure{max-width:820px;margin:0 auto}.result-callout{display:flex;align-items:center;gap:32px;padding:26px 32px;margin-bottom:28px;border-radius:8px;background:var(--wash)}.result-callout strong{display:block;color:var(--accent);font-size:43px;letter-spacing:-.04em;line-height:1.25}.result-callout span{font-size:13px;color:var(--muted)}.result-callout>b{font-size:28px;font-weight:400;color:var(--muted)}.result-callout p{margin:0 0 0 auto;font-size:15px}.result-callout small{font-size:12px;color:var(--muted)}.reconstruction-grid{align-items:center}.reconstruction-grid td,.reconstruction-grid th{padding:10px 11px;font-size:13px}.table-note{font-size:12px}.reading>.eyebrow{text-align:center}
@media(max-width:760px){.hero-concepts{gap:8px;font-size:11px;flex-wrap:wrap}.overview-film{margin-inline:-6px;padding:14px;border-radius:12px}.film-title{font-size:23px;margin-bottom:14px}.problem-grid{grid-template-columns:1fr;gap:15px}.problem-grid h3{font-size:22px}.section-takeaway{font-size:17px}.method-chapter{margin-top:44px;padding-top:30px}.method-grid,.keypoint-grid{grid-template-columns:1fr;gap:24px}.chapter-heading,.result-heading{gap:14px}.chapter-heading h3,.result-heading h3{font-size:23px}.verification-loop{padding:22px 18px}.loop-sequence{gap:10px;font-size:14px}.verification-checks{grid-template-columns:1fr;gap:20px}.loop-outcomes{grid-template-columns:1fr;gap:12px}.result-callout{gap:17px;padding:20px;flex-wrap:wrap}.result-callout strong{font-size:34px}.result-callout p{width:100%;margin:0}.task-copy h3{font-size:23px}h2{font-size:29px}.project-name{font-size:52px}}

.paper-actions{display:flex;justify-content:center;margin:24px 0}.paper-download{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:7px 20px;border:1px solid transparent;border-radius:9999px;background:#363636;color:#fff;font-size:16px;font-weight:400;line-height:24px;text-decoration:none;transition:background .15s}.paper-download:hover{background:#292929;color:#fff}.paper-download svg{flex:none}.paper-download span{line-height:24px}