:root {
  --ink: #17191d;
  --muted: #60656f;
  --line: #e4e6ea;
  --soft: #f5f6f7;
  --soft-warm: #f8f6f2;
  --accent: #913c32;
  --accent-dark: #6e2c24;
  --link: #1f84bd;
  --green: #4c7461;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(21, 24, 30, 0.09);
  --radius: 16px;
  --radius-small: 10px;
  --container: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Inter", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

img {
  height: auto;
}

a {
  color: var(--link);
}

sup {
  font-size: 0.62em;
  margin-left: 0.08em;
  vertical-align: super;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.container--narrow {
  max-width: 900px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-nav {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(110, 44, 36, 0.97);
  box-shadow: 0 4px 18px rgba(21, 24, 30, 0.14);
  backdrop-filter: blur(12px);
}

.site-nav-inner {
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-nav-brand {
  flex: 0 0 auto;
  color: var(--white);
  font-family: "Manrope", sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav-links {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  align-items: center;
  justify-content: safe flex-end;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav-links::-webkit-scrollbar {
  display: none;
}

.site-nav-links a {
  flex: 0 0 auto;
  padding: 8px 10px;
  border-radius: 7px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.site-nav-links a:hover,
.site-nav-links a:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

section[id],
header[id] {
  scroll-margin-top: 80px;
}

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

.publication-hero {
  padding: 78px 0 44px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 15% 20%, rgba(145, 60, 50, 0.08), transparent 26%),
    radial-gradient(circle at 88% 14%, rgba(76, 116, 97, 0.09), transparent 25%),
    var(--white);
}

.hero-inner {
  max-width: 1120px;
  text-align: center;
}

.eyebrow,
.section-label,
.experiment-number {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: "Manrope", sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow a {
  color: inherit;
  text-decoration: none;
}

.eyebrow a:hover,
.eyebrow a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.publication-hero h1 {
  max-width: 1050px;
  margin: 0 auto 28px;
  font-family: "Manrope", sans-serif;
  font-size: clamp(2.25rem, 5.2vw, 4.75rem);
  font-weight: 800;
  letter-spacing: -0.052em;
  line-height: 1.04;
}

.authors {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 18px;
  max-width: 1050px;
  margin: 0 auto 10px;
  font-family: "Manrope", sans-serif;
  font-size: 1.06rem;
}

.authors a,
.authors span {
  color: var(--link);
  font-weight: 600;
  text-decoration: none;
}

.authors a:hover,
.authors a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.affiliations {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3px 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.contribution {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-style: italic;
}

.institution-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 24px;
  margin-top: 18px;
}

.institution-logos img {
  width: auto;
  max-width: 165px;
  height: 42px;
  object-fit: contain;
}

.institution-logos .institution-logo--eth {
  height: 20px;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
}

.resource-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 43px;
  padding: 9px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: "Manrope", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.resource-button:hover,
.resource-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(20, 22, 28, 0.14);
}

.resource-button--dark {
  color: var(--white);
  background: var(--ink);
}

.resource-button--dark:hover,
.resource-button--dark:focus-visible {
  background: #30333a;
}

.resource-button--light {
  color: var(--ink);
  border-color: var(--line);
  background: var(--white);
}

.resource-icon {
  min-width: 22px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section {
  padding: 88px 0;
}

.section--tight {
  padding-top: 42px;
  padding-bottom: 62px;
}

.section--soft {
  border-block: 1px solid var(--line);
  background: var(--soft);
}

.section--metrics {
  padding: 72px 0;
  background: var(--ink);
}

.section-heading {
  max-width: 810px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading--left {
  margin-left: 0;
  text-align: left;
}

.section-heading--compact {
  margin-bottom: 28px;
}

.section-heading h2 {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.section-heading > p:last-child:not(.section-label) {
  max-width: 650px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.section--metrics .section-heading {
  color: var(--white);
}

.section--metrics .section-label {
  color: #d99d95;
}

.teaser-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.teaser-grid--joint-animations {
  margin-top: 18px;
}

.media-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 8px 26px rgba(21, 24, 30, 0.07);
}

.media-card--feature {
  min-height: 360px;
}

.media-slot {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  min-height: inherit;
  place-items: center;
  overflow: hidden;
  background: #eef0f1;
}

.media-slot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 400ms ease;
}

.media-card:hover .media-slot img {
  transform: scale(1.018);
}

.media-slot iframe {
  width: 100%;
  height: 100%;
  min-height: inherit;
  border: 0;
  aspect-ratio: 16 / 9;
}

.media-kicker {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  color: var(--white);
  background: rgba(16, 18, 22, 0.82);
  backdrop-filter: blur(8px);
  font-family: "Manrope", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.teaser-statement {
  max-width: 980px;
  margin: 28px auto 0;
  text-align: center;
  font-family: "Manrope", sans-serif;
  font-size: clamp(1rem, 2.2vw, 1.34rem);
  font-weight: 700;
  line-height: 1.45;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  min-height: 168px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-small);
  color: var(--white);
  background: rgba(255, 255, 255, 0.045);
}

.metric-card strong {
  display: block;
  margin-bottom: 13px;
  color: #efb5ad;
  font-family: "Manrope", sans-serif;
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
}

.metric-card span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.9rem;
  line-height: 1.42;
}

.section--context {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.context-block {
  margin-top: 48px;
}

.context-block + .context-block {
  margin-top: 82px;
  padding-top: 72px;
  border-top: 1px solid var(--line);
}

.context-subheading {
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
}

.context-subheading h3 {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.16;
}

.context-subheading p {
  max-width: 720px;
  margin: 14px auto 0;
  color: var(--muted);
}

.context-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.context-grid--comparison {
  max-width: none;
}

.context-card {
  display: block;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 32px rgba(21, 24, 30, 0.07);
}

.context-card--highlight {
  border-color: rgba(145, 60, 50, 0.38);
  box-shadow: 0 12px 36px rgba(110, 44, 36, 0.12);
}

.context-figure {
  display: grid;
  min-height: 0;
  margin: 0;
  place-items: center;
  overflow: hidden;
  background: #eceeef;
}

.context-figure--landscape {
  aspect-ratio: 16 / 9;
}

.context-figure--portrait {
  aspect-ratio: 4 / 3;
}

.context-figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.context-card-copy {
  padding: 24px;
}

.context-card-copy h4 {
  margin: 0 0 9px;
  font-family: "Manrope", sans-serif;
  font-size: 1.13rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.context-card-copy > p:not(.media-credit) {
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.65;
}

.media-credit {
  margin: 16px 0 0;
  color: #858a93;
  font-size: 0.7rem;
  line-height: 1.5;
}

.media-credit a {
  color: inherit;
  text-underline-offset: 3px;
}

/* * Interactive IK sequence viewer */

.section--ik-sequence {
  color: var(--white);
  background:
    radial-gradient(circle at 12% 14%, rgba(31, 132, 189, 0.2), transparent 30%),
    radial-gradient(circle at 90% 82%, rgba(145, 60, 50, 0.22), transparent 30%),
    #181c20;
}

.section-heading--ik h2 {
  color: var(--white);
}

.section-heading--ik > .ik-intro {
  max-width: 650px;
  margin: 14px auto 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.04rem;
}

.section-heading--ik > .ik-mobile-note {
  max-width: 650px;
  margin: 10px auto 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.5;
}

.ik-viewer {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  color: var(--white);
  background: #252a2f;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3);
}

.ik-viewer:focus-visible {
  outline: 3px solid #70b9df;
  outline-offset: 4px;
}

.ik-viewer-topline {
  display: flex;
  min-height: 92px;
  padding: 20px 24px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: #20252a;
}

.ik-viewer-eyebrow,
.ik-viewer-topline h3,
.ik-viewer-topline p {
  margin: 0;
}

.ik-viewer-eyebrow {
  color: #91c8e3;
  font-family: "Manrope", sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.ik-viewer-topline h3 {
  margin-top: 3px;
  font: 800 clamp(1.05rem, 2.2vw, 1.35rem)/1.25 "Manrope", sans-serif;
}

.ik-viewer-topline p:not(.ik-viewer-eyebrow) {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
}

.ik-dataset-picker {
  display: grid;
  min-width: min(290px, 40vw);
  gap: 5px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ik-dataset-picker select {
  width: 100%;
  min-height: 40px;
  padding: 7px 36px 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: var(--white);
  background: #30363c;
  font: 600 0.82rem "Inter", sans-serif;
  text-transform: none;
}

.ik-dataset-picker select:focus-visible {
  outline: 2px solid #70b9df;
  outline-offset: 2px;
}

.ik-dataset-picker select:disabled {
  opacity: 0.72;
}

.ik-placeholder,
.ik-stage {
  position: relative;
  min-height: 560px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #e9eceb;
}

.ik-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ik-placeholder-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 24, 27, 0.08), rgba(20, 24, 27, 0.72));
}

.ik-load-panel {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  padding: clamp(26px, 5vw, 58px);
  justify-items: center;
  color: var(--white);
  text-align: center;
}

.ik-load-panel p {
  margin: 10px 0 17px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.8rem;
}

.ik-load-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  background: rgba(24, 28, 32, 0.58);
  font: 800 0.9rem "Manrope", sans-serif;
  backdrop-filter: blur(10px);
}

.ik-primary-button,
.ik-stage-actions button,
.ik-playback-controls button {
  min-height: 42px;
  padding: 9px 15px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: var(--white);
  background: #343a40;
  font: 700 0.78rem "Manrope", sans-serif;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.ik-primary-button {
  min-width: 260px;
  border-color: #a84c40;
  background: var(--accent);
}

.ik-primary-button:hover:not(:disabled),
.ik-primary-button:focus-visible,
.ik-stage-actions button:hover,
.ik-stage-actions button:focus-visible,
.ik-playback-controls button:hover:not(:disabled),
.ik-playback-controls button:focus-visible {
  border-color: rgba(255, 255, 255, 0.68);
  background: #485058;
  outline: 2px solid var(--white);
  outline-offset: 2px;
  transform: translateY(-1px);
}

.ik-primary-button:hover:not(:disabled),
.ik-primary-button:focus-visible {
  background: var(--accent-dark);
}

.ik-primary-button:disabled,
.ik-playback-controls button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.ik-canvas,
.ik-canvas canvas {
  width: 100%;
  height: 100%;
}

.ik-placeholder[hidden],
.ik-stage[hidden],
.ik-loading[hidden],
.ik-controls[hidden] {
  display: none;
}

.ik-canvas {
  position: absolute;
  inset: 0;
}

.ik-canvas canvas {
  display: block;
  touch-action: none;
}

.ik-loading {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 13px;
  color: #30363b;
  background: rgba(233, 236, 235, 0.94);
  font-size: 0.82rem;
  font-weight: 700;
}

.ik-loading progress {
  width: min(260px, 60vw);
  accent-color: var(--accent);
}

.ik-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(145, 60, 50, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ik-spin 900ms linear infinite;
}

@keyframes ik-spin {
  to {
    transform: rotate(360deg);
  }
}

.ik-stage-actions {
  position: absolute;
  z-index: 2;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
}

.ik-stage-actions button {
  min-height: 38px;
  padding: 7px 11px;
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(30, 35, 39, 0.82);
  backdrop-filter: blur(8px);
}

.ik-gesture-hint {
  position: absolute;
  z-index: 2;
  right: 16px;
  bottom: 13px;
  margin: 0;
  padding: 6px 9px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(30, 35, 39, 0.7);
  font-size: 0.68rem;
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.ik-controls {
  padding: 19px 24px 21px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: #20252a;
}

.ik-frame-readout {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.ik-frame-number {
  display: block;
  color: #91c8e3;
  font: 800 0.72rem "Manrope", sans-serif;
  letter-spacing: 0.05em;
}

.ik-frame-readout strong {
  display: block;
  margin-top: 3px;
  font: 700 0.94rem "Manrope", sans-serif;
}

.ik-frame-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.ik-frame-tags span {
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: capitalize;
}

.ik-slider-label {
  display: block;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.7rem;
  font-weight: 700;
}

.ik-slider {
  width: 100%;
  margin: 7px 0 12px;
  accent-color: #d16b5d;
  cursor: ew-resize;
}

.ik-slider:focus-visible {
  outline: 2px solid #70b9df;
  outline-offset: 4px;
}

.ik-playback-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.ik-playback-controls button {
  min-width: 100px;
}

.ik-playback-controls .ik-play-button {
  border-color: #a84c40;
  background: var(--accent);
}

.ik-catalog-status {
  margin: 0;
  padding: 8px 24px 10px;
  color: rgba(255, 255, 255, 0.5);
  background: #20252a;
  font-size: 0.68rem;
  text-align: center;
}

.ik-viewer-caption {
  max-width: 860px;
  margin: 20px auto 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.79rem;
  text-align: center;
}

.ik-viewer:fullscreen,
.ik-viewer.is-expanded {
  z-index: 200;
  display: grid;
  width: 100vw;
  height: 100dvh;
  max-width: none;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  border: 0;
  border-radius: 0;
}

.ik-viewer.is-expanded {
  position: fixed;
  inset: 0;
}

.has-expanded-viewer {
  overflow: hidden;
}

.ik-viewer:fullscreen .ik-stage,
.ik-viewer.is-expanded .ik-stage {
  min-height: 0;
  aspect-ratio: auto;
}

.experiment {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  margin-top: 88px;
}

.experiment:first-of-type {
  margin-top: 0;
}

.experiment--reverse .experiment-media {
  order: 2;
}

.experiment--reverse .experiment-copy {
  order: 1;
}

.experiment-media {
  min-height: 390px;
}

.experiment-copy h3,
.system-card h3 {
  margin: 0 0 15px;
  font-family: "Manrope", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.18;
}

.experiment-copy > p:not(.experiment-number) {
  margin: 0;
  color: var(--muted);
}

.detail-list {
  display: grid;
  gap: 9px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.91rem;
}

.detail-list li::before {
  position: absolute;
  top: 0.66em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.supporting-figure {
  display: grid;
  grid-template-columns: minmax(170px, 220px) 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 24px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
}

.supporting-figure--button {
  width: 100%;
  color: var(--ink);
  background: var(--white);
  font: inherit;
  text-align: left;
  cursor: zoom-in;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.supporting-figure--button:hover,
.supporting-figure--button:focus-visible {
  border-color: #b9bec6;
  box-shadow: 0 10px 24px rgba(21, 24, 30, 0.09);
  transform: translateY(-2px);
  outline: none;
}

.supporting-figure img {
  width: 100%;
  height: 120px;
  border-radius: 7px;
  object-fit: contain;
  background: var(--soft);
}

.expandable-figure {
  cursor: zoom-in;
}

.expandable-figure:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}

.supporting-figure span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.supporting-figure small {
  display: block;
  margin-top: 3px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
}

.lightbox {
  inset: 0;
  width: 100vw;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: clamp(24px, 5vw, 68px);
  overflow: hidden;
  border: 0;
  color: var(--white);
  background: rgba(9, 11, 14, 0.94);
}

.lightbox[open] {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 16px;
  place-items: center;
}

.lightbox::backdrop {
  background: rgba(9, 11, 14, 0.94);
}

.lightbox-image {
  width: auto;
  max-width: 94vw;
  height: auto;
  max-height: calc(100dvh - 150px);
  border-radius: var(--radius-small);
  background: var(--white);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  object-fit: contain;
}

.lightbox-caption {
  max-width: 850px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.82rem;
  text-align: center;
}

.lightbox-close {
  position: fixed;
  z-index: 2;
  top: 18px;
  right: 22px;
  display: grid;
  width: 46px;
  height: 46px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: var(--white);
  background: rgba(24, 27, 32, 0.8);
  font: 300 2rem/1 Arial, sans-serif;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
  background: rgba(145, 60, 50, 0.95);
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

.abstract-text {
  display: grid;
  gap: 20px;
  color: #32363d;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  line-height: 1.85;
  text-align: justify;
}

.abstract-text p {
  margin: 0;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.system-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 8px 28px rgba(21, 24, 30, 0.07);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.system-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.system-image {
  display: grid;
  height: 260px;
  place-items: center;
  overflow: hidden;
  background: #f1f2f2;
}

.system-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.system-card-copy {
  padding: 24px;
}

.system-card-copy > span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-family: "Manrope", sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
}

.system-card h3 {
  margin-bottom: 10px;
  font-size: 1.24rem;
}

.system-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.coming-up-media {
  height: 260px;
  min-height: 260px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.coming-up-media .media-slot {
  min-height: 260px;
}

.coming-up-card .system-card-copy {
  min-height: 134px;
}

.wip-subsection {
  max-width: 960px;
  margin: 50px auto 0;
}

.wip-subsection + .wip-subsection {
  margin-top: 82px;
  padding-top: 72px;
  border-top: 1px solid var(--line);
}

.wip-subheading {
  text-align: center;
}

.wip-subheading h3 {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.wip-description {
  display: grid;
  gap: 12px;
  max-width: 820px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.72;
}

.wip-description p {
  margin: 0;
}

.wip-asset-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.wip-asset-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 8px 28px rgba(21, 24, 30, 0.07);
}

.wip-figure {
  display: grid;
  margin: 0;
  aspect-ratio: 1400 / 827;
  place-items: center;
  overflow: hidden;
  background: #eef0f1;
}

.wip-figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wip-asset-copy {
  padding: 24px;
}

.wip-asset-copy h4 {
  margin: 0 0 8px;
  font-family: "Manrope", sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.wip-asset-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.wip-grid {
  grid-template-columns: minmax(0, 1fr);
  max-width: 960px;
  margin: 32px auto 0;
  gap: 32px;
}

.wip-grid .system-card {
  display: block;
}

.wip-grid .coming-up-media {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 16 / 9;
}

.wip-grid .coming-up-media .media-slot {
  min-height: 0;
}

.section--citation {
  padding-top: 70px;
  border-top: 1px solid var(--line);
  background: var(--soft-warm);
}

.citation-card {
  position: relative;
  overflow: hidden;
  border: 1px solid #d7d4cf;
  border-radius: var(--radius-small);
  background: #202227;
  box-shadow: 0 14px 36px rgba(20, 22, 26, 0.12);
}

.citation-card pre {
  margin: 0;
  padding: 30px 34px 76px;
  overflow-x: auto;
  color: #e9ecef;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
  line-height: 1.65;
  white-space: pre-wrap;
}

.copy-button {
  position: absolute;
  right: 18px;
  bottom: 18px;
  min-width: 116px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font: 700 0.78rem "Manrope", sans-serif;
  cursor: pointer;
}

.copy-button:hover,
.copy-button:focus-visible {
  background: rgba(255, 255, 255, 0.15);
}

.section--contributions {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.contribution-list {
  border-top: 1px solid var(--line);
}

.contribution-entry {
  display: grid;
  grid-template-columns: minmax(180px, 0.32fr) minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.contribution-entry h3,
.contribution-entry p {
  margin: 0;
}

.contribution-entry h3 {
  font-size: 1rem;
  line-height: 1.5;
}

.contribution-entry h3 a {
  color: var(--link);
  text-decoration: none;
}

.contribution-entry h3 a:hover,
.contribution-entry h3 a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contribution-entry p {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.72;
}

.contribution-footnote {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-style: italic;
}

.acknowledgement-block {
  margin-top: 54px;
}

.acknowledgement-block > h3 {
  margin: 0 0 10px;
  font-family: "Manrope", sans-serif;
  font-size: 1.5rem;
  letter-spacing: -0.025em;
}

.acknowledgement-intro {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.contribution-list--acknowledgements {
  margin-top: 20px;
}

.funding-statement {
  margin: 36px 0 0;
  padding: 20px 22px;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
  color: #3e4147;
  background: var(--soft-warm);
  font-size: 0.92rem;
  line-height: 1.65;
}

.site-footer {
  padding: 42px 0;
  color: #b9bdc5;
  background: #15171a;
}

.footer-inner {
  position: relative;
  padding-right: 140px;
}

.site-footer p {
  max-width: 900px;
  margin: 5px 0;
  font-size: 0.76rem;
}

.site-footer a {
  color: #e4e6e9;
}

.back-to-top {
  position: absolute;
  top: 4px;
  right: 0;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 960px) {
  .ik-placeholder,
  .ik-stage {
    min-height: 480px;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .experiment,
  .experiment--reverse {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .experiment--reverse .experiment-media,
  .experiment--reverse .experiment-copy {
    order: initial;
  }

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

  .system-card {
    display: grid;
    grid-template-columns: minmax(260px, 0.8fr) 1fr;
  }

  .system-image {
    height: 100%;
    min-height: 260px;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 94px;
  }

  .site-nav-inner {
    display: block;
    width: 100%;
    min-height: 0;
  }

  .site-nav-brand {
    display: block;
    padding: 8px 20px 2px;
    font-size: 0.86rem;
  }

  .site-nav-links {
    justify-content: flex-start;
    padding: 0 11px 7px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-nav-links::-webkit-scrollbar {
    display: none;
  }

  .site-nav-links a {
    flex: 0 0 auto;
    padding: 5px 9px;
    font-size: 0.76rem;
  }

  section[id],
  header[id] {
    scroll-margin-top: 94px;
  }

  .publication-hero {
    padding-top: 58px;
  }

  .publication-hero h1 {
    letter-spacing: -0.045em;
  }

  .section {
    padding: 66px 0;
  }

  .section--tight {
    padding-top: 28px;
    padding-bottom: 52px;
  }

  .ik-viewer-topline {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .ik-dataset-picker {
    width: 100%;
    min-width: 0;
  }

  .ik-placeholder,
  .ik-stage {
    min-height: 360px;
  }

  .ik-frame-readout {
    flex-direction: column;
  }

  .ik-frame-tags {
    justify-content: flex-start;
  }

  .ik-gesture-hint {
    display: none;
  }

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

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

  .context-card {
    display: block;
    min-height: 0;
  }

  .context-figure {
    min-height: 0;
  }

  .context-figure--landscape {
    aspect-ratio: 16 / 9;
  }

  .context-figure--portrait {
    aspect-ratio: 4 / 3;
  }

  .context-block + .context-block {
    margin-top: 62px;
    padding-top: 56px;
  }

  .wip-subsection + .wip-subsection {
    margin-top: 62px;
    padding-top: 56px;
  }

  .wip-asset-stack {
    grid-template-columns: 1fr;
  }

  .media-card--feature,
  .experiment-media {
    min-height: 280px;
  }

  .experiment {
    margin-top: 68px;
  }

  .system-card {
    display: block;
  }

  .abstract-text {
    font-size: 1rem;
    text-align: left;
  }

  .contribution-entry {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-inner {
    padding-right: 0;
    padding-bottom: 34px;
  }

  .back-to-top {
    top: auto;
    right: auto;
    bottom: 0;
    left: 0;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .publication-links {
    gap: 7px;
  }

  .institution-logos {
    gap: 11px 18px;
  }

  .institution-logos img {
    max-width: 135px;
    height: 34px;
  }

  .institution-logos .institution-logo--eth {
    height: 20px;
  }

  .resource-button {
    padding-inline: 14px;
  }

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

  .metric-card {
    min-height: 132px;
  }

  .ik-viewer-topline,
  .ik-controls {
    padding-right: 16px;
    padding-left: 16px;
  }

  .ik-placeholder,
  .ik-stage {
    min-height: 280px;
  }

  .ik-primary-button {
    width: 100%;
    min-width: 0;
  }

  .ik-stage-actions {
    top: 10px;
    right: 10px;
  }

  .ik-playback-controls button {
    min-width: 0;
    flex: 1;
    padding-inline: 8px;
  }

  .media-card--feature,
  .experiment-media {
    min-height: 220px;
  }

  .system-image {
    min-height: 220px;
  }

  .supporting-figure {
    grid-template-columns: 130px 1fr;
  }

  .supporting-figure img {
    height: 86px;
  }

  .citation-card pre {
    padding: 24px 22px 76px;
    font-size: 0.76rem;
  }
}