:root {
  --ink: #171717;
  --muted: #5f5f5f;
  --paper: #ffffff;
  --soft: #f5f5f5;
  --line: #dedede;
  --red: #cc0000;
  --red-dark: #990000;
  --red-soft: #fff0f0;
  --green: #23845a;
  --yellow: #f0c94d;
  --max-wide: 1240px;
  --max-copy: 960px;
}

.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
}

.container.is-max-widescreen {
  max-width: var(--max-wide);
}

.container.is-max-desktop {
  max-width: var(--max-copy);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.66;
  letter-spacing: 0;
}

a {
  color: var(--red-dark);
}

img,
video {
  display: block;
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 58px;
  border-top: 4px solid var(--red);
  border-bottom: 1px solid #343434;
  background: #191919;
}

.nav-shell {
  width: min(calc(100% - 40px), var(--max-wide));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand,
.nav-links a {
  color: #fff;
  text-decoration: none;
}

.nav-brand {
  font-size: 1.14rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 650;
  opacity: 0.82;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 9px;
  border: 0;
  background: transparent;
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  width: 21px;
  height: 2px;
  margin: 4px 0;
  background: #fff;
}

.project-hero {
  position: relative;
  min-height: 76vh;
  display: flex;
  align-items: center;
  color: #fff;
  background: #120909 url("../images/hero-campus-crop.jpg") center 57% / cover no-repeat;
  overflow: hidden;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: rgba(18, 7, 7, 0.74);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 48px), 1060px);
  padding: 64px 0 58px;
  text-align: center;
}

.venue-tag {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 4px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.project-hero h1 {
  margin: 0;
  color: #fff;
  font-size: 4.7rem;
  line-height: 0.95;
  font-weight: 850;
}

.hero-title {
  max-width: 1040px;
  margin: 22px auto 24px;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  line-height: 1.18;
  font-weight: 600;
}

.authors {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 18px;
  max-width: 950px;
  margin: 0 auto;
  font-size: 1.02rem;
  font-weight: 700;
}

.authors sup {
  margin-left: 2px;
  color: var(--yellow);
  font-size: 0.64em;
}

.affiliations {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px 22px;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.88rem;
}

.affiliations sup {
  color: #fff;
  font-size: 0.72em;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.action-button {
  min-width: 104px;
  padding: 9px 17px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 5px;
  color: #fff;
  background: rgba(20, 13, 13, 0.5);
  font-size: 0.9rem;
  font-weight: 750;
  text-align: center;
  text-decoration: none;
}

.action-button:hover,
.action-button:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
}

.action-primary {
  border-color: var(--red);
  color: #fff;
  background: var(--red);
}

.action-primary:hover,
.action-primary:focus-visible {
  border-color: var(--red-dark);
  color: #fff;
  background: var(--red-dark);
}

.section-band {
  padding: 86px 24px;
}

.abstract-band {
  background: var(--soft);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 38px;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-kicker {
  margin: 0 0 7px;
  color: var(--red);
  font-size: 0.77rem;
  font-weight: 850;
  text-transform: uppercase;
}

.section-heading h2,
.citation-layout h2 {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.5rem;
  line-height: 1.15;
  font-weight: 700;
}

.section-heading > p:last-child {
  margin-top: 13px;
  color: var(--muted);
}

.abstract-copy {
  max-width: var(--max-copy);
  margin: 0 auto;
  columns: 2;
  column-gap: 52px;
}

.abstract-copy p {
  margin-top: 0;
  break-inside: avoid;
  text-align: left;
}

.tldr {
  max-width: var(--max-copy);
  margin: 28px auto 0;
  padding: 16px 20px;
  border-left: 4px solid var(--red);
  background: #fff5f5;
}

.approach-band {
  background: #fff;
}

.method-figure {
  width: min(100%, 1260px);
  margin: 0 auto;
}

.method-figure img {
  width: 100%;
  border: 1px solid #e4e9e7;
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.pipeline-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.pipeline-steps article {
  position: relative;
  padding-left: 50px;
}

.step-number {
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--red);
  font-size: 0.82rem;
  font-weight: 850;
}

.pipeline-steps h3 {
  margin: 0 0 7px;
  font-size: 1.22rem;
}

.pipeline-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.results-band {
  background: #f3f3f3;
}

.results-table-wrap {
  overflow-x: auto;
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  background: #fff;
}

.results-table {
  width: 100%;
  min-width: 1020px;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.results-table th,
.results-table td {
  padding: 10px 11px;
  border-bottom: 1px solid #d9dfdd;
  text-align: center;
  white-space: nowrap;
}

.results-table thead th {
  color: #fff;
  background: #242424;
  font-weight: 750;
}

.results-table thead tr:last-child th {
  color: #eeeeee;
  background: #404040;
  font-size: 0.75rem;
}

.results-table tbody th {
  text-align: left;
  font-weight: 700;
}

.results-table tbody tr:last-child th,
.results-table tbody tr:last-child td {
  border-bottom: 0;
}

.results-table .ours-muted {
  background: #faf3f3;
}

.results-table .ours {
  background: var(--red-soft);
  font-weight: 750;
}

.table-note {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 0.77rem;
}

.result-browser {
  margin-top: 58px;
}

.result-tabs {
  display: inline-flex;
  border: 1px solid #b9c7c3;
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
}

.result-tab {
  min-width: 118px;
  padding: 9px 14px;
  border: 0;
  border-right: 1px solid #b9c7c3;
  color: var(--muted);
  background: #fff;
  font: inherit;
  font-size: 0.83rem;
  font-weight: 750;
  cursor: pointer;
}

.result-tab:last-child {
  border-right: 0;
}

.result-tab.is-active {
  color: #fff;
  background: var(--red);
}

.result-tab:focus-visible {
  outline: 3px solid rgba(204, 0, 0, 0.28);
  outline-offset: -3px;
}

.result-figure {
  margin: 20px 0 0;
}

.result-figure img,
.analysis-figure img {
  width: 100%;
  max-height: 710px;
  object-fit: contain;
  background: #fff;
}

.analysis-figure {
  margin: 54px auto 0;
  max-width: 1020px;
}

.deployment-band {
  background: #fff;
}

.video-carousel {
  width: 100%;
}

.video-switcher {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 42px;
  gap: 10px;
  align-items: center;
  width: min(100%, 820px);
  margin: 0 auto 18px;
}

.video-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid #b9c7c3;
  border-radius: 6px;
}

.video-tab,
.video-arrow {
  height: 42px;
  border: 0;
  color: var(--muted);
  background: #fff;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 750;
  cursor: pointer;
}

.video-tab {
  padding: 0 12px;
  border-right: 1px solid #b9c7c3;
  line-height: 1.15;
}

.video-tab:last-child {
  border-right: 0;
}

.video-tab.is-active {
  color: #fff;
  background: var(--red);
}

.video-arrow {
  width: 42px;
  border: 1px solid #b9c7c3;
  border-radius: 50%;
  color: var(--red-dark);
  font-size: 1.15rem;
}

.video-tab:hover,
.video-tab:focus-visible,
.video-arrow:hover,
.video-arrow:focus-visible {
  outline: 3px solid rgba(204, 0, 0, 0.24);
  outline-offset: 2px;
}

.video-frame {
  overflow: hidden;
  border-radius: 6px;
  background: #05090b;
}

.video-frame iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}

.video-caption {
  min-height: 1.5rem;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.scope-note {
  margin: 28px 0 0;
  padding: 17px 19px;
  border-left: 4px solid var(--red);
  background: #fff4f4;
  color: #493232;
  font-size: 0.91rem;
}

.citation-band {
  border-top: 5px solid var(--red);
  color: #eeeeee;
  background: #191919;
}

.citation-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 54px;
  align-items: start;
}

.citation-layout h2 {
  color: #fff;
}

.citation-layout p {
  color: #c8c8c8;
}

.citation-layout a {
  color: #ffaaaa;
}

.contact-line {
  font-size: 0.88rem;
}

.bibtex-block {
  position: relative;
  min-width: 0;
}

.bibtex-block pre {
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  border: 1px solid #505050;
  border-radius: 6px;
  color: #f7f7f7;
  background: #0d0d0d;
  font-size: 0.75rem;
  line-height: 1.55;
}

.copy-button {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1;
  padding: 6px 10px;
  border: 1px solid #c55;
  border-radius: 4px;
  color: #fff;
  background: var(--red-dark);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 750;
  cursor: pointer;
}

.copy-button:hover,
.copy-button:focus-visible {
  background: var(--red);
}

.copy-status {
  display: block;
  min-height: 1.2rem;
  margin-top: 6px;
  color: #a5d5bf;
  font-size: 0.75rem;
}

.site-footer {
  padding: 26px 24px;
  color: #565656;
  background: #f0f0f0;
  font-size: 0.78rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 28px;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 900px) {
  .project-hero {
    min-height: 75vh;
  }

  .project-hero h1 {
    font-size: 3.9rem;
  }

  .hero-title {
    font-size: 1.68rem;
  }

  .pipeline-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .citation-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  .site-header {
    height: 54px;
  }

  .nav-shell {
    width: min(calc(100% - 28px), var(--max-wide));
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: 54px;
    display: none;
    padding: 12px 20px 17px;
    flex-direction: column;
    align-items: flex-start;
    gap: 11px;
    border-bottom: 1px solid #3b3b3b;
    background: #191919;
  }

  .nav-links.is-open {
    display: flex;
  }

  .project-hero {
    min-height: 76svh;
    align-items: center;
    background-position: 42% 58%;
  }

  .hero-content {
    width: min(calc(100% - 30px), 1060px);
    padding: 38px 0 40px;
  }

  .venue-tag {
    margin-bottom: 13px;
  }

  .project-hero h1 {
    font-size: 3.15rem;
  }

  .hero-title {
    margin-top: 15px;
    font-size: 1.32rem;
    line-height: 1.22;
  }

  .authors {
    gap: 2px 11px;
    font-size: 0.87rem;
  }

  .affiliations {
    display: block;
    font-size: 0.74rem;
  }

  .affiliations span {
    display: block;
  }

  .hero-actions {
    margin-top: 18px;
  }

  .action-button {
    min-width: 92px;
    padding: 8px 13px;
    font-size: 0.82rem;
  }

  .section-band {
    padding: 62px 18px;
  }

  .section-heading h2,
  .citation-layout h2 {
    font-size: 2rem;
  }

  .abstract-copy {
    columns: 1;
  }

  .pipeline-steps {
    grid-template-columns: 1fr;
    gap: 27px;
  }

  .result-tabs {
    width: 100%;
  }

  .result-tab {
    min-width: 0;
    flex: 1;
    padding-right: 8px;
    padding-left: 8px;
  }

  .video-switcher {
    grid-template-columns: 38px minmax(0, 1fr) 38px;
    gap: 7px;
  }

  .video-arrow {
    width: 38px;
    height: 38px;
  }

  .video-tab {
    height: 38px;
    padding: 0 7px;
    font-size: 0.76rem;
  }

  .footer-inner {
    display: block;
  }

  .footer-inner p + p {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}