:root { --ink:#252832; --muted:#646b77; --art:#d73958; --blue:#2588a6; --violet:#8078b9; --line:#e3e6eb; --wash:#fafbfc; --font:"Avenir Next",Avenir,"Segoe UI",Arial,sans-serif; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:80px; }
body { margin:0; background:white; color:var(--ink); font:16px/1.75 var(--font); letter-spacing:0; }
[hidden] { display:none!important; }
figure,h1,h2,h3,h4,p { margin:0; }
img { display:block; max-width:100%; height:auto; }
a { color:inherit; text-underline-offset:4px; }
button { font:inherit; cursor:pointer; }
a:focus-visible,button:focus-visible,summary:focus-visible,[role=tabpanel]:focus-visible { outline:3px solid var(--blue); outline-offset:5px; }
.wrap { width:min(100%,1120px); margin-inline:auto; padding-inline:36px; }
.section { padding-block:76px; }
h2 { font-size:34px; font-weight:650; line-height:1.25; text-wrap:balance; }
h3 { font-size:24px; font-weight:650; line-height:1.35; text-wrap:balance; }
.section-heading { margin-bottom:48px; text-align:center; }
.section-heading p { margin:14px auto 0; max-width:700px; color:var(--muted); }
.site-header { min-height:60px; padding:12px max(24px,calc((100% - 1048px)/2)); border-bottom:1px solid #eef0f3; display:flex; align-items:center; justify-content:space-between; gap:20px; background:#fffffff5; position:sticky; top:0; z-index:20; }
.wordmark { font-size:18px; font-weight:750; text-decoration:none; }
.wordmark img { width:170px; height:auto; }
nav { display:flex; align-items:center; gap:27px; font-size:13px; font-weight:500; }
nav a { text-decoration:none; }nav a:hover,nav a[aria-current=page] { color:var(--art); }
.demo-link { display:flex; align-items:center; gap:8px; color:var(--art); font-weight:650; }
.skip { position:absolute; top:-80px; left:12px; z-index:99; background:white; padding:10px; }.skip:focus { top:10px; }
.paper-heading { padding-top:44px; padding-bottom:32px; text-align:center; }
.paper-logo { width:500px; margin-inline:auto; }
h1 { font-size:64px; font-weight:750; line-height:1.1; color:var(--art); }
.paper-title { font-size:27px; line-height:1.35; font-weight:550; margin:12px auto 20px; max-width:870px; text-wrap:balance; }
.author-names { display:flex; justify-content:center; flex-wrap:wrap; column-gap:18px; row-gap:3px; max-width:930px; margin-inline:auto; font-size:13px; }
.author-names span { white-space:nowrap; }sup { font-size:9px; }
.affiliations { display:flex; justify-content:center; flex-wrap:wrap; gap:5px 24px; margin-top:9px; color:var(--muted); font-size:12px; }
.paper-links { display:flex; align-items:center; justify-content:center; flex-wrap:wrap; gap:23px; margin-top:20px; }
.resource-link { display:inline-flex; align-items:center; gap:8px; min-height:40px; text-decoration:none; font-size:14px; font-weight:600; border-bottom:1px solid var(--ink); }
.resource-link:hover { color:var(--art); border-color:var(--art); }
.resource-link img { width:17px; height:17px; }
.contact-link { font-size:12px; color:var(--muted); text-decoration:none; }
.hero-thesis { font-size:23px; line-height:1.45; font-weight:600; margin-top:26px; }
.hero-result { margin-top:14px; font-size:18px; line-height:1.65; }.hero-result strong { color:var(--art); font-weight:750; font-size:25px; }.hero-result>span { color:var(--muted); padding-inline:4px; }.hero-result small { font-size:11px; color:var(--muted); }
.teaser { max-width:910px; }
.showcase-reel { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }
.showcase-reel video { display:block; width:100%; aspect-ratio:1; object-fit:contain; background:var(--wash); border-radius:4px; }
.showcase-reel figcaption { padding-top:9px; font-size:11px; color:var(--muted); line-height:1.55; }
.teaser-toolbar { display:flex; align-items:center; justify-content:space-between; gap:15px; padding-top:14px; font-size:11px; color:var(--muted); }.teaser-toolbar a { color:var(--ink); }
.insight-row { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); align-items:center; gap:64px; }
.insight-copy h3 { margin-bottom:18px; }.insight-copy p { color:#535b68; }.insight-copy p+p { margin-top:17px; }.insight-copy strong { color:var(--ink); font-weight:650; }
.insight-copy .insight-takeaway { border-left:3px solid var(--art); padding-left:17px; margin-top:23px; color:var(--ink); font-weight:600; }
.branch-evidence { display:grid; gap:24px; }.branch-evidence .research-figure { max-width:340px; margin-inline:auto; }
.research-figure img { width:100%; height:auto; }.research-figure figcaption { font-size:12px; line-height:1.65; color:var(--muted); margin-top:14px; }
.equation { margin-block:24px; padding-block:20px; border-block:1px solid var(--line); font-size:25px; }
math { font-family:"STIX Two Math","Cambria Math",serif; }.guidance-term { color:var(--blue); }.residual-term { color:var(--violet); }
.restoration-term { color:var(--art); }
.equation-key { display:flex; justify-content:center; gap:25px; margin-top:13px; font-size:11px; font-family:var(--font); }
.equation-condition { font-size:11px!important; text-align:center; margin-top:12px; }
.math-details { margin-top:16px; font-size:12px; color:var(--muted); }.math-details summary { cursor:pointer; width:fit-content; }.math-details p { margin-top:10px; font-size:12px; }
.restoration-row { margin-top:70px; padding-top:65px; border-top:1px solid var(--line); }.restoration-row .research-figure { max-width:390px; margin-inline:auto; }.restoration-row .research-figure img { max-height:370px; object-fit:contain; }
.insight-copy .discovery { font-size:22px; line-height:1.65; }.discovery strong { color:var(--art); }
.restoration-equation { max-width:850px; margin:35px auto 0; }.restoration-equation .equation { margin-bottom:15px; font-size:25px; }.restoration-equation .math-details { text-align:center; }.restoration-equation summary { margin-inline:auto; }.restoration-equation .math-details p { text-align:left; }
.narrow-loss { display:none; }
.equation-definition { display:flex; justify-content:center; flex-wrap:wrap; gap:8px 36px; font-family:Georgia,serif; font-size:17px; }
.restoration-evidence { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(0,1fr); gap:48px; margin-top:55px; }.restoration-evidence h3 { font-size:22px; margin-bottom:14px; }.restoration-evidence p { color:#535b68; font-size:15px; }.restoration-evidence strong { color:var(--ink); }.restoration-evidence .research-figure { margin:24px auto 0; }.restoration-evidence img { height:340px; object-fit:contain; }
.restoration-insight { margin:48px auto 0; text-align:center; font-size:22px; line-height:1.55; font-weight:600; max-width:750px; }.restoration-insight span { color:var(--muted); font-size:15px; font-weight:400; }
.figure-note { font-size:11px; line-height:1.7; color:var(--muted); }.insight-copy .figure-note { margin-top:12px; }
.method-band { background:var(--wash); border-block:1px solid var(--line); }.method-figure img { width:100%; height:auto; }
.method-mobile { display:none; }
.method-details { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:62px; margin:35px auto 0; }.method-details h3 { font-size:22px; margin-bottom:15px; }.method-details p { color:#535b68; }.method-details .figure-note { font-size:11px; }.equation.compact { margin:22px 0 12px; font-size:23px; }.inline-math { font-family:Georgia,serif; font-style:italic; white-space:nowrap; }
.update-directions { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:25px; margin:22px 0 12px; padding:20px 0; border-block:1px solid var(--line); }.update-directions div { display:flex; align-items:center; justify-content:space-between; gap:10px; font-size:12px; }.update-directions math { font-size:24px; color:var(--art); }.method-bottomline { margin-top:20px; font-size:15px; font-weight:600; line-height:1.7; }
.efficiency-layout { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); align-items:center; gap:70px; }.curve { max-width:390px; margin-inline:auto; }.curve img { width:100%; height:auto; }.efficiency-copy h3 { font-size:25px; line-height:1.4; }
.speed-table { width:100%; border-collapse:collapse; margin:25px 0 18px; text-align:left; font-size:12px; }.speed-table caption { text-align:left; font-size:11px; color:var(--muted); margin-bottom:8px; }.speed-table th,.speed-table td { padding:14px 7px; border-bottom:1px solid var(--line); }.speed-table th:first-child { padding-left:0; }.speed-table th { font-weight:550; }.speed-table thead { font-size:10px; color:var(--muted); }.speed-table td { font-size:22px; color:var(--art); font-weight:650; font-variant-numeric:tabular-nums; white-space:nowrap; }
.result-context { color:var(--muted); font-size:12px; }.eval-result { margin-top:30px; padding-top:24px; border-top:1px solid var(--line); }.eval-result h4 { font-size:16px; font-weight:650; }.eval-result p { margin-top:10px; font-size:14px; color:#535b68; }.eval-result .figure-note { font-size:11px; }
.scope-results { margin-top:48px; }.scope-results h3 { font-size:20px; margin-bottom:13px; }.scope-table { width:100%; border-collapse:collapse; font-size:13px; text-align:left; }.scope-table td,.scope-table th { border-bottom:1px solid var(--line); padding:17px 0; }.scope-table th { width:36%; padding-right:28px; font-weight:550; }.scope-table thead { color:var(--muted); font-size:11px; }.scope-table td { color:#535b68; }.scope-table strong { color:var(--ink); font-weight:650; }.scope-results>.figure-note { margin-top:14px; }
.demo-invitation { display:flex; align-items:center; justify-content:space-between; gap:28px; padding-block:38px; border-top:1px solid var(--line); }.demo-invitation h2 { font-size:26px; }.demo-invitation p { margin-top:8px; font-size:14px; color:var(--muted); }.demo-invitation .resource-link { white-space:nowrap; }
.citation { padding-block:36px 48px; border-top:1px solid var(--line); }
.citation h2 { font-size:26px; }
.citation pre { margin:20px 0 0; font:12px/1.75 ui-monospace,SFMono-Regular,Consolas,monospace; white-space:pre-wrap; overflow-wrap:anywhere; }
footer { border-top:1px solid var(--line); padding-block:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:11px; color:var(--muted); }
.demo-heading { padding-block:46px 13px; text-align:center; }.demo-heading h1 { font-size:42px; color:var(--ink); }
.result-tabs { display:flex; justify-content:center; gap:36px; border-bottom:1px solid var(--line); margin:15px 0 28px; }.result-tabs button { background:none; border:0; border-bottom:2px solid transparent; padding:12px 0; font-size:14px; color:var(--muted); }.result-tabs button[aria-selected=true] { color:var(--art); border-color:var(--art); font-weight:650; }
.demo-panel { padding-bottom:8px; }.gallery-heading { display:flex; justify-content:space-between; align-items:center; gap:15px; margin:16px 0 12px; }.gallery-heading h3 { font-size:21px; }.pair-actions { display:flex; gap:8px; }
.icon-button { display:flex; align-items:center; justify-content:center; width:38px; height:38px; border:1px solid var(--line); border-radius:4px; background:white; }.icon-button:hover { border-color:var(--art); }.icon-button:disabled { opacity:.45; cursor:wait; }.icon-button img { width:18px; height:18px; }
.prompt { font-family:Georgia,serif; font-size:21px; line-height:1.5; min-height:80px; padding:3px 0 18px; max-width:850px; overflow-wrap:anywhere; }
.video-pair,.image-pair { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; max-width:900px; margin-inline:auto; }.video-pair video,.image-pair img { display:block; width:100%; aspect-ratio:1; object-fit:contain; background:var(--wash); border-radius:4px; }
.video-pair figcaption,.image-pair figcaption { padding:0 0 9px; color:var(--muted); font-size:12px; }.art-label { color:var(--art)!important; font-weight:650; }
.media-status { margin-top:7px; min-height:23px; font-size:12px; color:var(--muted); }
.choices { display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:14px; margin-top:12px; }.choices button { padding:0; background:transparent; border:0; border-bottom:2px solid transparent; text-align:left; font-size:12px; color:var(--muted); }.choices img { width:100%; aspect-ratio:1; object-fit:contain; border-radius:2px; }.choices span { display:block; padding:7px 0; }.choices button[aria-pressed=true] { color:var(--art); border-color:var(--art); font-weight:650; }.choices button:hover img { opacity:.85; }
#video-choices { grid-template-columns:repeat(8,minmax(0,1fr)); }
.provenance { margin-top:16px; font-size:11px; color:var(--muted); }.provenance summary { cursor:pointer; width:fit-content; }.provenance p { margin-top:8px; overflow-wrap:anywhere; }.benchmark { font-size:12px; color:var(--blue); }.selection-note { margin-block:25px 38px; color:var(--muted); font-size:11px; }
@media(max-width:850px) { .wrap { padding-inline:24px; }.section { padding-block:58px; }.insight-row,.method-details { gap:35px; }.efficiency-layout { gap:30px; }.paper-title { font-size:25px; }.speed-table td { font-size:19px; }.speed-table th,.speed-table td { padding-inline:4px; } }
@media(max-width:650px) {
  html { scroll-padding-top:66px; }.site-header { padding:12px 18px; min-height:54px; gap:15px; }.wordmark { font-size:16px; }nav { gap:16px; font-size:12px; }nav a[href='#method'] { display:none; }.demo-link { gap:5px; }
  .wordmark img { width:140px; }.paper-logo { width:370px; }
  .wrap { padding-inline:20px; }.paper-heading { padding-top:32px; padding-bottom:24px; }h1 { font-size:44px; }.paper-title { font-size:21px; margin-top:11px; margin-bottom:18px; }.paper-title br { display:none; }.author-names { font-size:11px; gap:3px 12px; }.affiliations { font-size:10px; gap:4px 15px; }.paper-links { gap:21px; margin-top:17px; }.resource-link { font-size:12px; min-height:36px; }.hero-thesis { font-size:20px; margin-top:22px; }.hero-result { font-size:15px; }.hero-result strong { font-size:21px; }.hero-result small { font-size:10px; }
  .showcase-reel { gap:7px; }.showcase-reel figcaption { font-size:9px; line-height:1.45; }.teaser-toolbar { font-size:10px; }
  .section { padding-block:48px; }h2 { font-size:27px; }h3 { font-size:22px; }.section-heading { margin-bottom:30px; }.section-heading p { font-size:14px; }.insight-row { grid-template-columns:1fr; gap:28px; }.insight-copy p { font-size:14px; }.research-figure { max-width:450px; margin-inline:auto; }.research-figure figcaption { font-size:11px; }.restoration-row { margin-top:40px; padding-top:40px; }.restoration-row .insight-copy { order:-1; }.restoration-row .research-figure img { max-height:300px; }.insight-copy .discovery { font-size:20px; }.insight-copy .figure-note { font-size:11px; }.equation { font-size:24px; }.equation-key { gap:20px; font-size:10px; }
  .branch-evidence { gap:25px; }.restoration-equation .equation { font-size:17px; }.restoration-equation .wide-loss { display:none; }.restoration-equation .narrow-loss { display:block math; }.restoration-equation .equation-key { gap:12px; font-size:10px; }.equation-definition { font-size:15px; gap:8px 25px; }.restoration-evidence { grid-template-columns:1fr; gap:36px; margin-top:38px; }.restoration-evidence p { font-size:14px; }.restoration-evidence .research-figure { max-width:310px; }.restoration-evidence img { height:310px; }.restoration-insight { font-size:20px; margin-top:35px; }.restoration-insight span { font-size:13px; }
  .method-details { grid-template-columns:1fr; gap:38px; margin-top:25px; }.method-details p { font-size:14px; }.method-details .figure-note { font-size:11px; }.update-directions { margin-top:18px; }.method-details h3 { font-size:21px; }.method-desktop { display:none; }.method-mobile { display:grid; gap:18px; }.method-bottomline { font-size:14px; }
  .efficiency-layout { grid-template-columns:1fr; gap:28px; }.curve { max-width:330px; }.efficiency-copy h3 { font-size:22px; }.speed-table td { font-size:21px; }.scope-results { margin-top:35px; }.scope-table { font-size:12px; }.scope-table th { width:37%; padding-right:15px; }.scope-results>.figure-note { font-size:10px; }
  .demo-invitation { align-items:flex-start; flex-direction:column; gap:14px; padding-block:28px; }.demo-invitation h2 { font-size:23px; }.demo-invitation p { font-size:13px; }
  .demo-heading { padding-top:32px; }.demo-heading h1 { font-size:32px; }.result-tabs { margin-top:10px; }.gallery-heading h3 { font-size:19px; }.prompt { font-size:17px; min-height:92px; }.video-pair,.image-pair { gap:8px; }.video-pair figcaption,.image-pair figcaption { font-size:11px; }.choices,#video-choices { grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }.choices button { font-size:11px; }.benchmark { font-size:11px; }
}
@media(max-width:360px) { .wordmark { font-size:14px; }.wordmark img { width:120px; }nav { gap:11px; font-size:11px; }.restoration-equation .equation { font-size:15px; }.speed-table { font-size:11px; }.speed-table td { font-size:18px; } }
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }