:root {
  --ink: #162c42;
  --ink-soft: #586f86;
  --ocean: #2468ad;
  --ocean-deep: #174f89;
  --aqua: #6aa7dc;
  --sand: #d19a62;
  --surface: #ffffff;
  --surface-muted: #f2f6fb;
  --line: #dbe6f0;
  --shadow: 0 18px 50px rgba(23, 67, 110, 0.08);
  --text-sm: 0.95rem;
  --text-base: 1.05rem;
  --text-lg: 1.12rem;
  --text-xl: 1.3rem;
  --heading-section: clamp(1.72rem, 2.35vw, 2rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: #f8fbff;
  color: var(--ink);
  font-family: "Jost", "Helvetica Neue", Arial, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

[hidden] {
  display: none !important;
}

figure {
  margin: 0;
}

button,
input {
  font: inherit;
}

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

.page-shell {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(201, 216, 230, 0.82);
  background: rgba(248, 251, 255, 0.92);
  backdrop-filter: blur(18px);
}

.nav-inner {
  width: min(1160px, calc(100% - 40px));
  height: 66px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.025em;
  font-size: 1.06rem;
}

.brand-logo {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: #486783;
  font-size: 0.95rem;
  font-weight: 570;
  text-decoration: none;
  transition: color 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ocean);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 52px 0 30px;
  background:
    linear-gradient(180deg, #f6faff 0%, #ffffff 62%, #f8fbff 100%);
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(2px);
  pointer-events: none;
}

.hero-glow-one {
  width: 480px;
  height: 480px;
  top: -250px;
  right: -130px;
  background: radial-gradient(circle, rgba(58, 128, 196, 0.16), transparent 68%);
}

.hero-glow-two {
  width: 390px;
  height: 390px;
  left: -210px;
  top: 220px;
  background: radial-gradient(circle, rgba(105, 171, 225, 0.11), transparent 70%);
}

.hero-inner {
  position: relative;
  text-align: center;
}

.hero-title {
  max-width: 1200px;
  margin: 0 auto;
}

.title-prefix {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  white-space: nowrap;
  vertical-align: -0.14em;
}

.title-prefix > img {
  width: 0.8em;
  height: 0.8em;
  border-radius: 19%;
  object-fit: cover;
}

.hero h1 {
  max-width: 1120px;
  margin: 0 auto;
  color: #2c3e50;
  font-size: clamp(1.72rem, 2.45vw, 2.15rem);
  line-height: 1.26;
  letter-spacing: -0.015em;
  font-weight: 700;
}

.title-prefix > span,
.title-domain {
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  font-weight: 700;
  animation: title-gradient-shift 4s ease-in-out infinite;
}

.title-prefix > span {
  background-image: linear-gradient(120deg, #294e73 0%, #4f7fae 30%, #79a9d3 50%, #4f7fae 70%, #294e73 100%);
}

.title-domain {
  white-space: nowrap;
}

.title-domain-2d {
  background-image: linear-gradient(120deg, #5790bd 0%, #77add3 30%, #a3d2ee 50%, #77add3 70%, #5790bd 100%);
}

.title-domain-3d {
  background-image: linear-gradient(120deg, #234e91 0%, #3d70bd 30%, #72a5e5 50%, #3d70bd 70%, #234e91 100%);
}

@keyframes title-gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-deck {
  max-width: 1120px;
  margin: 20px auto 0;
  color: var(--ink-soft);
  font-size: var(--text-lg);
  line-height: 1.6;
  letter-spacing: -0.018em;
  white-space: nowrap;
}

.author-block {
  margin-top: 25px;
}

.author-names {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 0;
  font-size: 1.05rem;
  font-weight: 620;
}

.author-names a {
  color: #245f98;
  text-decoration: none;
  white-space: nowrap;
}

.author-names sup,
.author-affiliations sup {
  position: relative;
  top: -0.12em;
  margin-left: 0.12em;
  color: #5f8fbb;
  font-size: 0.67em;
  font-weight: 700;
}

.author-names a:not(:first-child)::before {
  content: "·";
  margin: 0 12px;
  color: #aeb6b4;
}

.author-names a:hover,
.author-names a:focus-visible {
  color: var(--ocean);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.author-affiliations {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-top: 9px;
  color: #637c93;
  font-size: 0.96rem;
  line-height: 1.45;
}

.affiliation-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 5px 22px;
}

.author-affiliations span {
  white-space: nowrap;
}

.author-affiliations .corresponding-author {
  flex-basis: 100%;
  text-align: center;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 28px;
}

.resource-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 19px;
  border-radius: 999px;
  border: 1px solid rgba(52, 85, 120, 0.15);
  color: #465b6f;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(52, 85, 120, 0.07), 0 5px 14px rgba(52, 85, 120, 0.04);
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.resource-button > i {
  width: 1.05em;
  color: #376f9f;
  font-size: 1.08em;
  text-align: center;
}

.resource-button:hover {
  transform: translateY(-2px);
  border-color: rgba(61, 112, 167, 0.32);
  color: #244e73;
  box-shadow: 0 4px 12px rgba(52, 85, 120, 0.11), 0 8px 22px rgba(52, 85, 120, 0.06);
}

.ui-emoji {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  line-height: 1;
  vertical-align: -0.08em;
}

.button-emoji {
  font-size: 0.88rem;
}

.resource-button b {
  font-weight: 400;
  opacity: 0.78;
}

.resource-button.is-pending {
  cursor: default;
}

.asset-frame,
.asset-slot {
  position: relative;
  overflow: hidden;
}

.asset-frame {
  border: 1px solid #cbdff1;
  border-radius: 20px;
  background: white;
  box-shadow: var(--shadow);
}

.asset-frame [data-asset-image] {
  display: none;
  width: 100%;
  height: auto;
}

.asset-frame.has-asset [data-asset-image] {
  display: block;
}

.asset-slot {
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(237, 247, 248, 0.92));
}

.slot-grid {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(57, 127, 145, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 127, 145, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 20%, transparent 78%);
}

.teaser-composition {
  display: grid;
  gap: 32px;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0;
}

.motivation-heading {
  width: 100%;
  max-width: none;
  margin: 48px auto 30px;
  scroll-margin-top: 84px;
  text-align: left;
}

.teaser-figure {
  width: 100%;
  margin: 0;
}

.teaser-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.teaser-figure figcaption {
  max-width: 1120px;
  margin: 14px auto 0;
  color: #5d748a;
  font-size: 1.025rem;
  line-height: 1.65;
  text-align: left;
}

.teaser-figure figcaption strong {
  color: #244f77;
}

.teaser-notes {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding-left: 1.25rem;
  list-style: disc;
}

.teaser-notes li {
  padding-left: 2px;
  color: #5a7187;
  font-size: 0.96rem;
  line-height: 1.55;
}

.teaser-notes b {
  color: #315f89;
  font-weight: 650;
}

.pipeline-frame {
  max-width: 1080px;
  margin: 34px auto 0;
}

.pipeline-frame .asset-slot {
  min-height: 390px;
}

.slot-copy {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 30px;
  color: #6d8aa5;
}

.slot-copy strong {
  color: #315f89;
  font-size: 1.12rem;
}

.slot-copy small {
  font-size: 0.78rem;
}

.slot-kicker {
  color: var(--ocean);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-caption {
  max-width: 900px;
  margin: 17px auto 0;
  color: #5f7890;
  font-size: 1rem;
  line-height: 1.55;
}

.section {
  padding: 94px 0;
}

#overview {
  padding-top: 58px;
}

.section-tinted {
  border-block: 1px solid #e5e6e2;
  background: var(--surface-muted);
}

.hero-tldr {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 30px;
  align-items: center;
  max-width: 1040px;
  margin: 4px auto 50px;
  padding: 32px 34px 30px;
  overflow: hidden;
  border: 1px solid #c8ddf2;
  border-radius: 22px;
  background:
    radial-gradient(circle at 96% 4%, rgba(89, 157, 221, 0.2), transparent 31%),
    #f1f7ff;
  box-shadow: 0 18px 46px rgba(32, 91, 145, 0.1);
  text-align: left;
}

.hero-tldr::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(#246db3, #65a8e0);
}

.hero-tldr-copy {
  min-width: 0;
}

.hero-tldr-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 11px;
  color: #2265a3;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.tldr-emoji {
  font-size: 0.85rem;
}

.hero-tldr h2 {
  max-width: none;
  margin: 0;
  color: #183b5d;
  font-size: clamp(1rem, 1.12vw, 1.08rem);
  line-height: 1.58;
  letter-spacing: -0.005em;
  font-weight: 500;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  white-space: normal;
}

.hero-tldr-flow {
  align-self: center;
  text-align: center;
}

.hero-tldr-equation {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 27px;
  padding-bottom: 0;
  font-size: clamp(2rem, 3.3vw, 2.8rem);
  line-height: 1;
  letter-spacing: -0.055em;
  font-weight: 760;
}

.hero-tldr-equation span,
.hero-tldr-equation strong {
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  animation: title-gradient-shift 4s ease-in-out infinite;
}

.hero-tldr-equation span {
  background-image: linear-gradient(120deg, #5790bd 0%, #77add3 30%, #a3d2ee 50%, #77add3 70%, #5790bd 100%);
}

.hero-tldr-equation strong {
  background-image: linear-gradient(120deg, #234e91 0%, #3d70bd 30%, #72a5e5 50%, #3d70bd 70%, #234e91 100%);
}

.hero-tldr-equation i {
  color: #65a5d9;
  font-size: 0.72em;
  font-style: normal;
  font-weight: 500;
}

.hero-tldr-flow p {
  margin: 9px 0 0;
  color: #607b94;
  font-size: 0.86rem;
  line-height: 1.2;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.section-heading {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.section-index {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid #bfd9df;
  border-radius: 14px;
  color: var(--ocean);
  background: white;
  font-size: 0.9rem;
  font-weight: 750;
}

.section-eyebrow {
  display: block;
  margin: 2px 0 8px;
  color: var(--ocean);
  font-size: 0.88rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-heading h2,
.citation-layout h2 {
  margin: 0;
  max-width: 1060px;
  color: #173b60;
  font-size: var(--heading-section);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 650;
}

.keep-together {
  white-space: nowrap;
}

.section-intro {
  max-width: 1060px;
  margin: 17px 0 0;
  color: #5a748d;
  font-size: var(--text-base);
  line-height: 1.68;
}

.overview-layout {
  display: block;
  max-width: 1040px;
  margin: 48px auto 0;
}

.abstract-copy h3,
.stage-grid h3 {
  margin: 0 0 13px;
  color: #244d73;
  font-size: 1.08rem;
}

.abstract-copy p {
  margin: 0;
  color: #526d84;
  font-size: 1.075rem;
  line-height: 1.75;
  text-align: justify;
  text-justify: inter-word;
}

.contribution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 50px;
}

.contribution-card {
  min-height: 188px;
  padding: 25px;
  border: 1px solid #d6e4f1;
  border-radius: 17px;
  background: white;
  box-shadow: 0 12px 30px rgba(28, 78, 128, 0.055);
}

.contribution-mark {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.contribution-mark > span {
  color: #4f7fa6;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 650;
}

.contribution-mark > i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #edf5fd;
  font-size: 1.15rem;
  font-style: normal;
}

.contribution-card h3 {
  margin: 22px 0 9px;
  font-size: 1.08rem;
  letter-spacing: -0.025em;
}

.contribution-card p,
.stage-grid p {
  margin: 0;
  color: #5a748d;
  font-size: 1.025rem;
  line-height: 1.65;
}

.stage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  width: 100%;
  max-width: 1080px;
  margin: 18px auto 0;
}

.stage-grid article {
  padding: 27px;
  border: 1px solid #d5e3f0;
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.9);
}

.stage-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  padding: 7px 12px;
  border-radius: 8px;
  color: #1c68a8;
  background: #e8f3fd;
  font-size: 0.94rem;
  font-weight: 730;
  text-transform: uppercase;
}

.stage-emoji {
  font-size: 0.98rem;
}

.stage-badge-warm {
  color: #425faa;
  background: #eef1ff;
}

.results-heading {
  margin-bottom: 52px;
}

.results-subsection-heading {
  max-width: 1060px;
}

.results-subsection-heading h3 {
  margin: 0;
  color: #1f466b;
  font-size: clamp(1.38rem, 1.9vw, 1.65rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.results-subsection-heading > p:last-child {
  max-width: 920px;
  margin: 10px 0 0;
  color: #5a748d;
  font-size: 1.05rem;
  line-height: 1.65;
}

.quantitative-panel {
  margin-top: 32px;
}

.quantitative-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin: 0 2px 14px;
}

.quantitative-heading .section-eyebrow {
  margin-bottom: 5px;
}

.quantitative-heading h4 {
  margin: 0;
  color: #244d73;
  font-size: 1.2rem;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.quantitative-heading > p {
  margin: 0 0 2px;
  color: #70858d;
  font-size: 0.9rem;
  white-space: nowrap;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid #cfdeed;
  border-radius: 16px;
  background: white;
  box-shadow: 0 14px 34px rgba(31, 75, 119, 0.07);
  scrollbar-color: #94b8d9 #edf4fb;
}

.metric-table {
  width: 100%;
  min-width: 1120px;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  color: #49667f;
  font-size: 0.82rem;
  line-height: 1.35;
  font-variant-numeric: tabular-nums;
}

.metric-table th,
.metric-table td {
  padding: 10px 8px;
  border-right: 1px solid #edf1f1;
  border-bottom: 1px solid #e7eded;
  text-align: center;
  white-space: nowrap;
}

.metric-table thead th {
  color: #315d82;
  background: #f3f8fd;
  font-weight: 680;
}

.metric-table thead tr:first-child th {
  padding-top: 12px;
  padding-bottom: 8px;
  color: #245f91;
  background: #eaf3fc;
}

.metric-table thead tr:first-child > th:first-child,
.metric-table tbody > tr > th:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  width: 142px;
  min-width: 142px;
  padding-left: 14px;
  text-align: left;
}

.metric-table tbody th {
  color: #334e59;
  background: white;
  font-weight: 620;
}

.metric-table thead tr:first-child > th:first-child {
  z-index: 3;
  background: #eaf3fc;
}

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

.metric-table th:last-child,
.metric-table td:last-child {
  border-right: 0;
}

.metric-table .ours-row th,
.metric-table .ours-row td {
  color: #174f7c;
  background: #edf5fd;
}

.metric-table strong {
  color: #155f99;
  font-weight: 760;
}

.metric-table u {
  text-decoration-color: #6097c6;
  text-underline-offset: 2px;
}

.table-note {
  margin: 11px 2px 0;
  color: #6c8189;
  font-size: 0.88rem;
  line-height: 1.55;
}

.teaser-figure figcaption,
.abstract-copy p,
.section-intro,
.contribution-card p,
.stage-grid p,
.results-subsection-heading > p:last-child,
.result-block-heading > p:last-child,
.table-note,
.media-note,
.citation-note {
  text-align: justify;
  text-justify: inter-word;
}

.result-block-heading {
  max-width: 1060px;
  margin: 0 0 28px 76px;
}

.result-block-heading h3 {
  margin: 0;
  color: #1f466b;
  font-size: clamp(1.24rem, 1.65vw, 1.48rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.result-block-heading > p:last-child {
  margin: 10px 0 0;
  color: #5a748d;
  font-size: 1.05rem;
  line-height: 1.65;
}

.enhancement-card,
.comparison-card {
  overflow: hidden;
  border: 1px solid #cfdeed;
  border-radius: 22px;
  background: white;
  box-shadow: var(--shadow);
}

.comparison-card {
  position: relative;
}

.comparison-toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 24px 26px;
  border-bottom: 1px solid #dbe7f2;
  background: #f4f8fd;
}

.toolbar-group {
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  min-width: 0;
}

.toolbar-label {
  display: block;
  margin-top: 9px;
  color: #617b93;
  font-size: 0.88rem;
  font-weight: 730;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scene-pills,
.segmented-control,
.method-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.segmented-control {
  padding: 4px;
  border-radius: 11px;
  background: #e8f0f8;
}

.scene-pills button,
.segmented-control button,
.method-pills button {
  border: 0;
  cursor: pointer;
  transition: 150ms ease;
}

.scene-pills button {
  padding: 8px 12px;
  border: 1px solid #d5e2ef;
  border-radius: 9px;
  color: #58728a;
  background: white;
  font-size: 0.9rem;
  font-weight: 650;
}

.scene-pills button:hover,
.scene-pills button.active {
  border-color: #689fd0;
  color: #1d5f98;
  background: #edf5fd;
}

.segmented-control button {
  padding: 8px 16px;
  border-radius: 8px;
  color: #58728a;
  background: transparent;
  font-size: var(--text-sm);
  font-weight: 650;
}

.segmented-control button.active {
  color: #1d527f;
  background: white;
  box-shadow: 0 3px 10px rgba(28, 79, 126, 0.1);
}

.method-pills button {
  padding: 8px 12px;
  border: 1px solid #d5e2ef;
  border-radius: 999px;
  color: #58728a;
  background: white;
  font-size: 0.92rem;
  font-weight: 620;
}

.method-pills button:hover,
.method-pills button.active {
  border-color: #5d9fda;
  color: #1b5f99;
  background: #edf5fd;
}

.video-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 24px 26px;
}

.video-card {
  overflow: hidden;
  border: 1px solid #d5e2ef;
  border-radius: 14px;
  background: #f6f9fd;
}

.video-card.is-ours {
  border-color: #85b9e4;
  background: #f1f7fd;
}

.video-card-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px;
  color: #315b82;
  font-size: 0.925rem;
}

.video-card-head span {
  color: #7a9098;
  font-weight: 500;
}

.video-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border-top: 1px solid #d5e2ef;
  background: #0f304b;
}

.video-card-media video,
.video-card-media .media-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.video-card-media video {
  display: block;
  object-fit: contain;
  background: #0f304b;
}

.sync-note {
  margin-left: auto;
  color: #708791;
  font-size: 0.9rem;
  font-weight: 600;
}

.comparison-context {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  padding: 20px 26px 14px;
}

.comparison-context div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.comparison-context strong {
  font-size: 1.05rem;
}

.comparison-context span,
.comparison-context p {
  margin: 0;
  color: #718791;
  font-size: var(--text-sm);
}

.comparison-context span:empty {
  display: none;
}

.comparison-stage {
  position: relative;
  overflow: hidden;
  width: calc(100% - 52px);
  margin: 0 26px;
  aspect-ratio: 16 / 9;
  border: 1px solid #bcced2;
  border-radius: 14px;
  background: #0f304b;
  touch-action: none;
  user-select: none;
}

.comparison-overlay,
.comparison-video,
.comparison-video video,
.comparison-video img,
.media-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.comparison-overlay {
  z-index: 2;
  overflow: hidden;
}

.comparison-video video,
.comparison-video img {
  display: block;
  object-fit: cover;
}

#results .page-shell {
  display: flex;
  flex-direction: column;
}

.results-heading {
  order: 0;
}

.result-block {
  display: contents;
}

.results-quantitative-heading {
  order: 6;
  margin-top: 92px;
}

.result-block-reconstruction .quantitative-panel {
  order: 7;
  margin-top: 28px;
}

.result-block-enhancement .quantitative-panel {
  order: 8;
  margin-top: 46px;
}

.results-qualitative-heading {
  order: 1;
  margin-top: 0;
}

.result-block-reconstruction .result-block-heading {
  order: 2;
  margin-top: 34px;
}

.result-block-reconstruction .comparison-card {
  order: 3;
}

.result-block-enhancement .result-block-heading {
  order: 4;
  margin-top: 88px;
}

.result-block-enhancement .enhancement-card {
  order: 5;
}

.media-placeholder {
  display: grid;
  place-content: center;
  gap: 9px;
  color: rgba(225, 242, 245, 0.74);
  text-align: center;
  background:
    radial-gradient(circle at 68% 32%, rgba(66, 171, 180, 0.24), transparent 23%),
    linear-gradient(145deg, #173b47, #0f2832);
}

.comparison-video-left .media-placeholder {
  background:
    radial-gradient(circle at 32% 30%, rgba(234, 156, 91, 0.18), transparent 24%),
    linear-gradient(145deg, #31464d, #172d35);
}

.media-placeholder span {
  justify-self: center;
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.media-placeholder strong {
  color: white;
  font-size: clamp(1rem, 2vw, 1.5rem);
}

.comparison-divider {
  position: absolute;
  z-index: 8;
  top: 0;
  bottom: 0;
  width: 3px;
  padding: 0;
  border: 0;
  cursor: ew-resize;
  background: white;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.46);
  transform: translateX(-50%);
}

.comparison-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 3px solid white;
  border-radius: 999px;
  color: white;
  background: var(--ocean);
  box-shadow: 0 7px 18px rgba(0, 0, 0, 0.26);
  transform: translate(-50%, -50%);
}

.video-corner-label {
  position: absolute;
  z-index: 5;
  top: 13px;
  padding: 6px 10px;
  border-radius: 7px;
  color: white;
  background: rgba(10, 34, 43, 0.72);
  font-size: 0.73rem;
  font-weight: 680;
  backdrop-filter: blur(8px);
}

.video-corner-left {
  left: 13px;
}

.video-corner-right {
  right: 13px;
}

.detail-lens {
  position: absolute;
  z-index: 7;
  border: 2px solid #ff8163;
  cursor: move;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.88),
    0 0 18px rgba(255, 112, 82, 0.28);
}

.detail-lens span {
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff8163;
}

.playback-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  padding: 16px 26px;
  border-bottom: 1px solid #e2ebed;
}

.scene-carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 3px 26px 15px;
}

.scene-arrow {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0 0 3px;
  border: 1px solid #c9dce1;
  border-radius: 50%;
  color: var(--ocean-deep);
  background: white;
  cursor: pointer;
  font-size: 1.55rem;
  line-height: 1;
  transition: border-color 150ms ease, background 150ms ease, color 150ms ease, transform 150ms ease;
}

.scene-arrow:hover {
  border-color: var(--ocean);
  color: white;
  background: var(--ocean);
  transform: translateY(-1px);
}

.scene-dots {
  display: flex;
  align-items: center;
  gap: 9px;
}

.scene-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #c7d7db;
  cursor: pointer;
  transition: background 150ms ease, transform 150ms ease;
}

.scene-dot:hover,
.scene-dot.active {
  background: var(--ocean);
  transform: scale(1.32);
}

.scene-arrow:focus-visible,
.scene-dot:focus-visible,
.scroll-to-top:focus-visible {
  outline: 3px solid rgba(53, 111, 145, 0.24);
  outline-offset: 3px;
}

.scroll-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 150;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  color: white;
  background: var(--ocean-deep);
  box-shadow: 0 10px 28px rgba(20, 65, 84, 0.24);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease, background 150ms ease;
}

.scroll-to-top span {
  margin-top: -2px;
  font-size: 1.25rem;
  line-height: 1;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--ocean);
  transform: translateY(-2px);
}

.playback-actions {
  display: flex;
  gap: 8px;
}

.playback-actions button {
  min-width: 76px;
  padding: 8px 14px;
  border: 1px solid #cbdde1;
  border-radius: 9px;
  color: #315965;
  cursor: pointer;
  background: white;
  font-size: 0.9rem;
  font-weight: 650;
}

.playback-actions button:first-child {
  border-color: var(--ocean);
  color: white;
  background: var(--ocean);
}

.detail-toggle,
.lens-size-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #647e87;
  font-size: 0.82rem;
  font-weight: 620;
}

.detail-toggle input {
  accent-color: var(--ocean);
}

.lens-size-control {
  margin-left: auto;
}

.lens-size-control input {
  width: 120px;
  accent-color: #ff8163;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
  padding: 22px 26px 0;
}

.detail-panel {
  overflow: hidden;
  border: 1px solid #d7e4e6;
  border-radius: 13px;
  background: #f8fbfb;
}

.detail-panel.is-ours {
  border-color: #9ad3d6;
  background: #f2fbfb;
}

.detail-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 11px 13px;
}

.detail-panel-head span {
  color: #8699a0;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.detail-panel-head strong {
  color: #31505b;
  font-size: 0.82rem;
}

.detail-crop {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-top: 2px solid #ff8163;
  background: #102b35;
}

.detail-crop video,
.detail-crop img {
  position: absolute;
  max-width: none;
  object-fit: cover;
}

.crop-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.66);
  background: linear-gradient(145deg, #1f424e, #112c36);
  font-size: 0.75rem;
}

.media-note {
  margin: 0;
  padding: 16px 26px 24px;
  color: #7a9098;
  font-size: var(--text-sm);
  line-height: 1.5;
}

.citation-layout {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.bibtex-wrap {
  position: relative;
  width: 100%;
}

.bibtex {
  overflow: hidden;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  margin: 0;
  padding: 58px 25px 25px;
  border: 1px solid #d4e2e5;
  border-radius: 15px;
  color: #294b56;
  background: white;
  box-shadow: 0 12px 30px rgba(28, 77, 89, 0.04);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.65;
}

.copy-bibtex {
  position: absolute;
  z-index: 1;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid #c9dce7;
  border-radius: 9px;
  color: #315f89;
  background: #f4f9fc;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 650;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.copy-bibtex:hover {
  border-color: #86b2d2;
  color: #214d75;
  background: #eaf4fa;
}

footer {
  border-top: 1px solid #e1eaec;
  background: white;
}

.footer-inner {
  min-height: 92px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  color: #758b93;
  font-size: 0.8rem;
}

@media (max-width: 860px) {
  .nav-links {
    gap: 16px;
  }

  .overview-layout,
  .citation-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .contribution-grid {
    grid-template-columns: 1fr;
  }

  .contribution-card {
    min-height: auto;
  }

  .contribution-card h3 {
    margin-top: 18px;
  }

  .comparison-toolbar {
    grid-template-columns: 1fr;
  }

  .result-block-heading {
    margin-left: 0;
  }

  .hero-tldr {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .hero-deck,
  .hero-tldr h2 {
    white-space: normal;
  }

  .hero-tldr-flow {
    width: 100%;
    max-width: 520px;
  }

}

@media (max-width: 640px) {
  .page-shell,
  .nav-inner {
    width: min(1160px, calc(100% - 24px));
  }

  .nav-inner {
    height: 58px;
  }

  .nav-links a:nth-child(2),
  .nav-links a:nth-child(3),
  .nav-links a:nth-child(5) {
    display: none;
  }

  .hero {
    padding-top: 58px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(1.75rem, 8vw, 2.1rem);
    overflow-wrap: anywhere;
  }

  .author-names {
    gap: 7px 0;
    font-size: 0.95rem;
  }

  .author-affiliations {
    font-size: 0.88rem;
  }

  .affiliation-row {
    gap: 5px 13px;
  }

  .author-affiliations span {
    white-space: normal;
    text-align: center;
  }

  .author-names a:not(:first-child)::before {
    margin: 0 8px;
  }

  .hero-deck {
    font-size: 1rem;
  }

  .hero-actions {
    gap: 7px;
  }

  .resource-button {
    padding: 9px 13px;
    font-size: 0.86rem;
  }

  .teaser-composition {
    gap: 26px;
  }

  .teaser-figure figcaption {
    margin-top: 10px;
    font-size: 0.92rem;
  }

  .section {
    padding: 72px 0;
  }

  .hero-tldr {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-bottom: 34px;
    padding: 25px 22px 23px;
  }

  .hero-tldr-flow {
    gap: 6px;
  }

  .hero-tldr-equation {
    justify-content: flex-start;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .keep-together {
    white-space: normal;
  }

  .section-index {
    width: 42px;
    height: 42px;
  }

  .abstract-copy p {
    text-align: justify;
  }

  .pipeline-frame .asset-slot {
    min-height: 280px;
  }

  .stage-grid,
  .detail-grid,
  .video-pair {
    grid-template-columns: 1fr;
  }

  .comparison-card {
    border-radius: 16px;
  }

  .quantitative-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .quantitative-heading > p {
    white-space: normal;
  }

  .table-scroll {
    border-radius: 12px;
  }

  .toolbar-group {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .toolbar-label {
    margin-top: 0;
  }

  .comparison-toolbar,
  .comparison-context,
  .playback-bar,
  .detail-grid,
  .video-pair,
  .media-note {
    padding-inline: 14px;
  }

  .scene-carousel-controls {
    gap: 13px;
    padding-inline: 14px;
  }

  .scene-arrow {
    width: 36px;
    height: 36px;
  }

  .scroll-to-top {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }

  .sync-note {
    width: 100%;
    margin-left: 0;
  }

  .comparison-stage {
    width: calc(100% - 28px);
    margin-inline: 14px;
  }

  .comparison-context p {
    display: none;
  }

  .video-corner-label {
    top: 8px;
    padding: 5px 7px;
    font-size: 0.62rem;
  }

  .video-corner-left {
    left: 8px;
  }

  .video-corner-right {
    right: 8px;
  }

  .comparison-divider span {
    width: 35px;
    height: 35px;
  }

  .lens-size-control {
    width: 100%;
    margin-left: 0;
  }

  .lens-size-control input {
    flex: 1;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding-block: 24px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}