:root{
  --bg:#fbfbfa;
  --surface:#ffffff;
  --surface-soft:#f3f5f4;
  --ink:#111111;
  --muted:#5f6464;
  --line:#dedfdd;
  --accent:#4060b0;
  --accent-2:#8080c0;
  --accent-soft:#eef4fb;
  --pipe-blue-soft:#c0e0f0;
  --pipe-purple-soft:#f0eef9;
  --shadow:0 24px 60px rgba(20,24,24,.12);
  --radius:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--bg);
  font-family:Inter,"Atkinson Hyperlegible",Arial,Helvetica,sans-serif;
  text-rendering:optimizeLegibility;
}
nav{
  height:64px;
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(251,251,250,.88);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(17,17,17,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 max(24px,calc((100vw - 1180px)/2));
}
nav a{
  color:#3d4141;
  text-decoration:none;
  font-size:14px;
  margin-left:22px;
  transition:color .18s ease;
}
nav a:hover,nav a:focus-visible{color:var(--accent)}
.brand{
  font-weight:800!important;
  color:var(--ink)!important;
  margin-left:0!important;
  letter-spacing:.01em;
}
.shell{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}
.section.shell{max-width:1040px}
.hero{
  text-align:center;
  padding-top:78px;
  padding-bottom:92px;
}
.hero h1{
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(44px,7vw,88px);
  line-height:.94;
  letter-spacing:0;
  margin:0 0 18px;
}
.hero h2{
  font-size:clamp(20px,2.4vw,32px);
  line-height:1.2;
  font-weight:650;
  margin:0 auto 24px;
  max-width:900px;
}
.authors{
  font-size:16px;
  line-height:1.5;
  margin:0 auto 8px;
  max-width:920px;
  color:#2b2f2f;
}
.affiliations{
  font-size:14px;
  line-height:1.5;
  color:var(--muted);
  margin:0 auto 10px;
  max-width:920px;
}
.venue{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:32px;
  padding:6px 14px;
  border:1px solid rgba(64,96,176,.28);
  border-radius:999px;
  background:var(--accent-soft);
  color:#263a82;
  font-size:13px;
  font-weight:700;
  margin:14px 0 0;
}
.contact{font-size:13px;color:var(--muted);margin:12px 0 0}
.links{margin:16px 0 38px}
.links a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:92px;
  min-height:42px;
  border:1px solid #d7d4cc;
  border-radius:999px;
  padding:9px 18px;
  margin:0 4px;
  text-decoration:none;
  color:var(--ink);
  background:#fff;
  font-size:14px;
  font-weight:700;
  box-shadow:0 8px 22px rgba(20,24,24,.06);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.links a:hover,.links a:focus-visible{
  border-color:var(--accent);
  box-shadow:0 14px 32px rgba(64,96,176,.16);
  transform:translateY(-1px);
}
.hero-video{
  max-width:980px;
  margin:auto;
  padding:10px;
  border:1px solid rgba(64,96,176,.18);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:var(--shadow);
}
.section{
  padding-top:86px;
  padding-bottom:92px;
  border-top:1px solid rgba(17,17,17,.08);
}
.section:nth-of-type(even){background:rgba(255,255,255,.62)}
.section h3{
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.12;
  text-align:center;
  margin:0 0 34px;
}
.abstract-block{
  max-width:820px;
  margin:0 auto 30px;
  font-size:18px;
  line-height:1.68;
  color:#2d3333;
}
.abstract-block p{margin:0 0 16px}
.keywords{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:center;
  margin:0 auto 40px;
}
.keywords span{
  border:1px solid rgba(64,96,176,.2);
  border-radius:999px;
  padding:9px 13px;
  font-size:13px;
  color:#283b86;
  background:var(--accent-soft);
  font-weight:700;
}
.keywords span:nth-child(even){
  border-color:rgba(128,128,192,.22);
  color:#49458f;
  background:var(--pipe-purple-soft);
}
.info-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  max-width:960px;
  margin:0 auto 36px;
}
.info-grid article{
  background:var(--surface);
  border:1px solid rgba(17,17,17,.09);
  border-top:3px solid var(--pipe-blue-soft);
  border-radius:var(--radius);
  box-shadow:0 16px 38px rgba(20,24,24,.06);
}
.info-grid article:nth-child(2){border-top-color:var(--accent-2)}
.info-grid article:nth-child(3){border-top-color:var(--accent)}
.info-grid article{padding:20px}
.info-grid h4{
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--accent);
  margin:0 0 12px;
}
.info-grid p{font-size:14px;line-height:1.58;color:#3e4545;margin:0}
.compare{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  max-width:920px;
  margin:0 auto;
}
.compare article,.ablation-pairs article{
  min-width:0;
}
.compare h4{
  text-align:center;
  font-size:14px;
  font-weight:800;
  margin:0 0 12px;
}
.video{
  aspect-ratio:704/1280;
  background:#eceeed;
  border:1px solid rgba(17,17,17,.12);
  border-radius:var(--radius);
  overflow:hidden;
  position:relative;
  box-shadow:0 18px 44px rgba(20,24,24,.12);
}
.video.wide{aspect-ratio:16/9}
.video video{width:100%;height:100%;object-fit:cover;display:none}
.video.loaded video{display:block}
.video::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:rgba(20,20,20,.42);
  opacity:1;
  transition:opacity .18s ease;
  pointer-events:none;
}
.video.playing::before{opacity:0}
.video span{
  position:absolute;
  inset:0;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#8c9292;
  font-size:12px;
  line-height:1.35;
  padding:12px;
  text-align:center;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.video.loaded span{display:none}
.video.errored span{color:#b42318}
.video-toggle{
  position:absolute;
  left:50%;
  top:50%;
  z-index:3;
  width:62px;
  height:62px;
  border:0;
  border-radius:50%;
  background:rgba(255,255,255,.92);
  box-shadow:0 12px 28px rgba(0,0,0,.24);
  transform:translate(-50%,-50%);
  cursor:pointer;
  transition:transform .18s ease,background .18s ease;
}
.video-toggle:hover,.video-toggle:focus-visible{
  background:#fff;
  transform:translate(-50%,-50%) scale(1.05);
  outline:3px solid rgba(64,96,176,.28);
  outline-offset:3px;
}
.video-toggle::before{
  content:"";
  position:absolute;
  left:25px;
  top:19px;
  border-top:12px solid transparent;
  border-bottom:12px solid transparent;
  border-left:18px solid var(--ink);
}
.video.playing .video-toggle{display:none}
.video-progress{
  position:absolute;
  left:14px;
  right:14px;
  bottom:12px;
  z-index:4;
  width:calc(100% - 28px);
  height:5px;
  margin:0;
  opacity:0;
  pointer-events:none;
  accent-color:#fff;
  cursor:pointer;
}
.video.playing .video-progress{opacity:1;pointer-events:auto}
.video-progress:focus-visible{outline:3px solid rgba(64,96,176,.34);outline-offset:5px}
.video-progress::-webkit-slider-thumb{cursor:pointer}
.cases{
  display:flex;
  justify-content:center;
  gap:8px;
  margin:-14px 0 30px;
}
.cases button{
  min-width:42px;
  min-height:36px;
  background:#fff;
  border:1px solid #d8dcd9;
  border-radius:999px;
  color:#6d7373;
  padding:7px 12px;
  cursor:pointer;
  font-weight:800;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.cases button:hover,.cases button:focus-visible,.cases button.active{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.gallery{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
  max-width:920px;
  margin:0 auto;
}
.pipeline-figure{
  margin:0 auto;
  max-width:900px;
  padding:18px;
  background:#fff;
  border:1px solid rgba(17,17,17,.09);
  border-radius:var(--radius);
  box-shadow:0 18px 44px rgba(20,24,24,.08);
}
.pipeline-figure img{display:block;width:100%;height:auto}
.method-names{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  max-width:900px;
  margin-left:auto;
  margin-right:auto;
  margin-top:24px;
}
.method-names article{
  border-left:3px solid var(--accent);
  background:#fff;
  border-radius:var(--radius);
  padding:18px;
  min-width:0;
  box-shadow:0 12px 30px rgba(20,24,24,.05);
}
.method-names article:nth-child(2){border-left-color:var(--accent-2)}
.method-names article:nth-child(3){border-left-color:var(--pipe-blue-soft)}
.method-names h4{
  font-size:15px;
  font-weight:800;
  line-height:1.35;
  margin:0 0 10px;
}
.method-names p{
  font-size:14px;
  line-height:1.55;
  color:#3e4545;
  margin:0;
}
.ablation-pairs{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:30px 24px;
  max-width:940px;
  margin:0 auto;
}
.pair{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
.clip-label{
  display:block;
  min-height:0;
  text-align:left;
  font-size:12px;
  font-weight:800;
  line-height:1.2;
  margin:0 0 8px;
  color:#3f4d8f;
  background:transparent;
  border:0;
  border-left:3px solid var(--accent-2);
  border-radius:0;
  padding:0 0 0 8px;
  letter-spacing:.02em;
}
pre{
  max-width:820px;
  margin:auto;
  background:#111;
  color:#f7f2e7;
  border:1px solid #222;
  border-radius:var(--radius);
  padding:24px;
  overflow:auto;
  font-size:13px;
  line-height:1.6;
  box-shadow:0 18px 44px rgba(20,24,24,.12);
}
footer{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:10px 18px;
  text-align:center;
  border-top:1px solid rgba(17,17,17,.08);
  padding:34px;
  color:var(--muted);
  font-size:13px;
}
footer strong{
  color:var(--ink);
}
@media(max-width:980px){
  nav div{display:none}
  .hero{padding-top:56px}
  .compare,.ablation-pairs{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:1fr}
  .method-names{grid-template-columns:1fr}
  .section{padding-top:64px;padding-bottom:68px}
}
@media(max-width:560px){
  .shell{padding-left:18px;padding-right:18px}
  .hero h1{font-size:42px}
  .hero h2{font-size:20px}
  .gallery,.pair{grid-template-columns:1fr}
  .links a{margin-top:8px}
  .pipeline-figure{padding:10px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important}
}