:root {
  --navy: #0A2A4A;
  --navy-deep: #0A2A4A;
  --raiv-blue: #0A2A4A;
  --raiv-green: #2BA8A1;
  --teal: #2BA8A1;
  --mint: #2BA8A1;
  --kimlab-orange: #FF5F05;
  --slate: #0A2A4A;
  --mist: #eef4f6;
  --line: #d9e4e8;
  --white: #ffffff;
  --page: #ffffff;
  --shadow-sm: 0 10px 30px rgba(8, 40, 74, 0.08);
  --shadow-lg: 0 24px 70px rgba(8, 40, 74, 0.15);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --header-height: 76px;
  --container: 1120px;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--slate);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--navy);
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 15px;
  border-radius: 8px;
  background: var(--navy-deep);
  color: var(--white);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.container-wide {
  --container: 1240px;
}

.prose-container {
  --container: 900px;
}

.section-anchor {
  scroll-margin-top: 18px;
}

.site-header {
  height: var(--header-height);
  border-bottom: 1px solid rgba(217, 228, 232, 0.9);
  background: var(--white);
}

.header-inner {
  position: relative;
  display: flex;
  width: min(calc(100% - 48px), 1240px);
  height: 100%;
  margin-inline: auto;
  align-items: center;
  justify-content: flex-start;
  gap: 28px;
}

.collaboration-brand {
  display: flex;
  min-width: 210px;
  align-items: center;
  gap: 13px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-link-raiv img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand-link-kimlab img {
  width: 126px;
  height: 34px;
  object-fit: contain;
}

.brand-times {
  color: var(--slate);
  font-size: 1.2rem;
  font-weight: 400;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(76px, 10vw, 132px) 0 72px;
  background: var(--white);
  text-align: center;
}

.hero-glow {
  display: none;
}

.hero-content {
  position: relative;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 6px rgba(47, 170, 163, 0.12);
}

h1,
h2,
h3 {
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 1080px;
  margin: 0 auto;
  font-size: clamp(2.7rem, 5vw, 4.3rem);
  font-weight: 780;
}

.title-line {
  display: block;
}

.title-line-accent {
  color: var(--teal);
  font-weight: 650;
}

h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.4vw, 2.75rem);
}

h3 {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.8rem);
}

.section-title-compact {
  font-size: clamp(1.55rem, 2.8vw, 2.4rem);
}

.publication-authors {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 5px 10px;
  margin-top: 22px;
  color: var(--navy);
  font-size: 1.12rem;
  font-weight: 700;
}

.publication-authors a {
  color: var(--navy);
  text-decoration-color: rgba(20, 124, 120, 0.35);
}

.publication-authors a.author-kimlab {
  text-decoration-color: var(--kimlab-orange);
}

.publication-authors a.author-raiv {
  text-decoration-color: var(--raiv-green);
}

.author-item {
  display: inline-flex;
  align-items: flex-start;
  gap: 2px;
}

.publication-authors sup,
.publication-affiliations sup {
  color: var(--teal);
  font-size: 0.82em;
  font-weight: 800;
}

.publication-authors sup.affiliation-kimlab,
.publication-affiliations sup.affiliation-kimlab {
  color: var(--kimlab-orange);
}

.publication-authors sup.affiliation-raiv {
  color: var(--raiv-green);
}

.affiliation-label {
  color: inherit;
  font-weight: 750;
  text-decoration: none;
}

.affiliation-link-raiv {
  text-decoration-line: underline;
  text-decoration-color: var(--raiv-green);
}

.affiliation-link-kimlab {
  text-decoration-line: underline;
  text-decoration-color: var(--kimlab-orange);
}

.publication-affiliations {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3px 18px;
  margin-top: 7px;
  color: var(--slate);
  font-size: 0.98rem;
}

.publication-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: 10px;
  align-items: center;
  gap: 9px;
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.button-primary,
.button-secondary,
.button-disabled {
  border-color: var(--line);
  background: var(--white);
  color: var(--navy);
  box-shadow: var(--shadow-lg);
}

.button-primary:hover,
.button-secondary:hover {
  border-color: var(--raiv-blue);
  background: var(--raiv-blue);
  color: var(--white);
  transform: translateY(-2px);
}

.button-primary:focus-visible,
.button-secondary:focus-visible {
  border-color: var(--raiv-blue);
  background: var(--raiv-blue);
  color: var(--white);
}

.button-disabled {
  cursor: not-allowed;
}

.teaser {
  padding-bottom: 76px;
}

.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--navy-deep);
  box-shadow: var(--shadow-lg);
}

.media-frame video {
  width: 100%;
  max-height: 720px;
  object-fit: cover;
}

.media-badge {
  position: absolute;
  right: 20px;
  bottom: 20px;
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  align-items: center;
  gap: 8px;
  background: rgba(6, 27, 54, 0.78);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 750;
  backdrop-filter: blur(10px);
}

.media-badge span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
}

.section {
  padding: clamp(52px, 6vw, 84px) 0;
}

main > section {
  background: var(--white);
}

.section-tinted {
  background: var(--white);
}

.section-dark {
  background: var(--white);
  color: var(--slate);
}

.section-heading {
  margin-bottom: 36px;
}

.section-heading-centered {
  text-align: center;
}

.method-heading > p {
  max-width: 920px;
  margin: 18px auto 0;
  color: var(--slate);
}

.demonstrations-heading > p {
  max-width: 920px;
  margin: 18px auto 0;
  color: var(--slate);
  font-size: 1.12rem;
  text-align: justify;
}

.method-copy-line {
  display: block;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: end;
  gap: 30px;
}

.split-heading > p {
  margin: 0 0 3px;
  color: var(--slate);
}

.section-heading-light h2,
.section-heading-light h3 {
  color: var(--navy);
}

.section-heading-light > p {
  color: var(--slate);
}

.prose-container > p {
  text-align: justify;
}

#abstract > .container > p {
  font-size: 1.12rem;
}

.embed-frame {
  position: relative;
  overflow: hidden;
  padding-bottom: 56.25%;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--navy-deep);
  box-shadow: var(--shadow-lg);
}

.embed-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.pipeline-figure {
  margin: 0;
}

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

.pipeline-figure figcaption {
  padding: 18px 0 0;
  color: var(--slate);
  font-size: 1.12rem;
  text-align: justify;
}

.papras-card {
  display: grid;
  overflow: hidden;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-lg);
}

.papras-media {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  background: var(--navy-deep);
}

.papras-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  width: 100%;
}

.papras-video-grid video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.papras-video-grid video:first-child {
  grid-column: 1 / -1;
}

.papras-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(6, 27, 54, 0.62));
  content: "";
  pointer-events: none;
}

.papras-media video {
  width: 100%;
  object-fit: cover;
}

.papras-mark {
  position: absolute;
  z-index: 1;
  top: 24px;
  left: 26px;
  color: var(--white);
  font-size: clamp(1.7rem, 4vw, 3.2rem);
  font-weight: 850;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 12px rgba(6, 27, 54, 0.4);
}

.papras-copy {
  display: flex;
  padding: clamp(34px, 5vw, 66px);
  flex-direction: column;
  justify-content: center;
}

.papras-copy h2 {
  margin-bottom: 20px;
  white-space: nowrap;
}

.papras-copy p {
  margin: 0 0 16px;
}

.papras-copy > p:not(.papras-lead) {
  text-align: justify;
}

.papras-lead {
  color: var(--navy);
  font-size: 1.12rem;
  font-weight: 720;
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  color: var(--teal);
  font-size: 1.12rem;
  font-weight: 800;
  text-decoration: none;
}

.text-link span {
  transition: transform 160ms ease;
}

.text-link:hover span {
  transform: translate(2px, -2px);
}

.demo-grid {
  display: grid;
  gap: 14px;
}

.demo-grid-compact {
  grid-template-columns: repeat(4, 1fr);
}

.demo-grid-featured {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 14px;
}

.media-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  /* box-shadow: 0 8px 24px rgba(8, 40, 74, 0.06); */
  scroll-snap-align: start;
}

#demonstrations .media-card {
  border: 0;
  box-shadow: none;
}

#demonstrations .media-card video {
  display: block;
  border-radius: var(--radius-md);
}

.media-card video {
  width: 100%;
  aspect-ratio: 6 / 5;
  background: var(--navy-deep);
  object-fit: cover;
}

.demo-grid-featured .media-card video {
  aspect-ratio: 16 / 9;
}

.media-card figcaption {
  min-height: 48px;
  padding: 12px 14px;
  color: var(--slate);
  font-size: 1.12rem;
  font-weight: 400;
  text-align: center;
}

.additional-experiments {
  --carousel-visible: 4;
  margin-top: 42px;
}

.failure-slider {
  --carousel-visible: 4;
}

.carousel-heading {
  display: flex;
  margin-bottom: 18px;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
}

.failure-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.5fr) minmax(0, 1fr);
  align-items: end;
}

.failure-heading-copy {
  grid-column: 2;
  text-align: center;
}

.failure-heading-copy > p {
  margin: 14px 0 0;
  color: var(--slate);
  font-size: 1.12rem;
  text-align: center;
}

.failure-heading .carousel-controls {
  grid-column: 3;
  justify-self: end;
}

.carousel-heading .section-kicker {
  margin-bottom: 8px;
}

.carousel-controls {
  display: flex;
  gap: 8px;
}

.carousel-controls button {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  place-items: center;
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.carousel-controls button:hover {
  background: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}

.media-carousel {
  display: grid;
  overflow-x: auto;
  grid-auto-columns: minmax(260px, 31%);
  grid-auto-flow: column;
  gap: 14px;
  padding: 2px 2px 14px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--mint) var(--mist);
  scrollbar-width: thin;
}

.media-carousel::-webkit-scrollbar {
  height: 7px;
}

.media-carousel::-webkit-scrollbar-track {
  border-radius: 999px;
  background: var(--mist);
}

.media-carousel::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: var(--mint);
}

.carousel-slider .media-carousel {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 0;
  border-radius: var(--radius-md);
  scrollbar-width: none;
}

.carousel-slider .media-carousel::-webkit-scrollbar {
  display: none;
}

.carousel-slider .carousel-track {
  display: flex;
  width: 100%;
  transition: transform 360ms ease;
  will-change: transform;
}

.carousel-slider .carousel-track > .media-card {
  flex: 0 0 calc(100% / var(--carousel-visible));
  min-width: 0;
  padding: 0 7px;
  background: transparent;
}

.carousel-navigation {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  width: 42px;
  height: 42px;
  padding: 10px 12px;
  border: 0;
  border-radius: 50%;
  place-items: center;
  background: var(--white);
  color: var(--slate);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transform: translateY(-50%);
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.carousel-navigation:hover,
.carousel-navigation:focus,
.carousel-navigation:active {
  background: var(--raiv-blue);
  color: var(--white);
  transform: translateY(-50%) scale(1.04);
}

.carousel-navigation:focus-visible,
.carousel-pagination button:focus-visible {
  outline: 3px solid rgba(20, 124, 120, 0.28);
  outline-offset: 3px;
}

.carousel-navigation-previous {
  left: 0;
}

.carousel-navigation-next {
  right: 0;
}

.carousel-navigation svg {
  width: 14px;
  height: 22px;
}

.carousel-pagination {
  position: absolute;
  bottom: 10px;
  left: 50%;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  transform: translateX(-50%);
}

.carousel-pagination button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.58);
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease;
}

.carousel-pagination button.is-active {
  background: var(--white);
  transform: scale(1.12);
}

.additional-experiments-label {
  margin: 12px 0 0;
  color: var(--slate);
  font-size: 1.12rem;
  font-weight: 400;
  text-align: center;
}

.media-motion-note {
  margin: 5px 0 0;
  color: var(--slate);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.35;
  text-align: left;
}

.carousel-heading-dark h3 {
  color: var(--navy);
}

.section-dark .carousel-controls button {
  border-color: var(--line);
  background: var(--white);
  color: var(--navy);
}

.section-dark .carousel-controls button:hover {
  background: var(--mint);
  color: var(--navy-deep);
}

.media-carousel-dark {
  scrollbar-color: var(--mint) var(--mist);
}

.media-carousel-dark .media-card {
  border-color: var(--line);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.media-carousel-dark .media-card figcaption {
  color: var(--slate);
}

.carousel-slider .media-card {
  border: 0;
  box-shadow: none;
}

.carousel-slider .media-card video {
  display: block;
  border-radius: var(--radius-md);
}

.failure-slider .carousel-navigation {
  top: calc(50% - 24px);
}

.failure-slider .carousel-pagination {
  bottom: 85px;
}

.code-block {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: transparent;
  box-shadow: none;
}

.code-block pre {
  overflow-x: auto;
  margin: 0;
  padding: 30px;
  color: var(--slate);
  font: 1rem/1.6 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  text-align: left;
}

.citation-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  text-align: left;
}

.citation-heading h2 {
  text-align: left;
}

.citation-copy-button {
  display: inline-flex;
  flex: 0 0 auto;
  min-height: 38px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 750;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.citation-copy-button:hover,
.citation-copy-button:focus-visible,
.citation-copy-button[data-copied="true"] {
  border-color: var(--raiv-blue);
  background: var(--raiv-blue);
  color: var(--white);
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  background: var(--white);
  color: var(--slate);
}

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

.footer-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.footer-logo-raiv {
  width: clamp(120px, 18vw, 180px);
  height: auto;
}

.footer-kimlab-brand {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 5px;
  white-space: nowrap;
}

.footer-logo-kimlab {
  width: clamp(120px, 17vw, 170px);
  height: auto;
}

.footer-kimlab-subtitle {
  font-family: Arial, Helvetica, sans-serif;
  color: #000000;
  font-size: clamp(0.65rem, 1.35vw, 0.82rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.site-footer p {
  max-width: 650px;
  margin: 0;
  font-size: 0.75rem;
  text-align: right;
}

.site-footer a {
  color: var(--mint);
}

@media (min-width: 901px) {
  .title-line,
  .method-copy-line,
  #method-title {
    white-space: nowrap;
  }

  #method-title {
    font-size: clamp(1.55rem, 2.8vw, 2.4rem);
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  .header-inner {
    width: min(calc(100% - 32px), 1240px);
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .papras-card {
    grid-template-columns: 1fr;
  }

  .papras-media {
    min-height: 360px;
  }

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

  .media-carousel {
    grid-auto-columns: minmax(250px, 48%);
  }

  .carousel-slider {
    --carousel-visible: 2;
  }

  .failure-slider .carousel-pagination {
    bottom: 48px;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .collaboration-brand {
    min-width: 0;
    gap: 8px;
  }

  .brand-link-raiv img {
    width: 34px;
    height: 34px;
  }

  .brand-link-kimlab img {
    width: 92px;
    height: 28px;
  }

  .brand-times {
    font-size: 1rem;
  }

  .hero {
    padding-top: 64px;
  }

  .papras-copy h2 {
    white-space: normal;
  }

  h1 {
    font-size: clamp(2.35rem, 12vw, 3.4rem);
  }

  .publication-authors span[aria-hidden="true"] {
    display: none;
  }

  .publication-authors {
    flex-direction: column;
  }

  .publication-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    justify-content: center;
  }

  .media-badge {
    right: 12px;
    bottom: 12px;
  }

  .demo-grid-compact,
  .demo-grid-featured {
    grid-template-columns: 1fr;
  }

  .papras-media {
    min-height: 280px;
  }

  .media-carousel {
    grid-auto-columns: 84%;
  }

  .carousel-slider {
    --carousel-visible: 1;
  }

  .carousel-heading {
    align-items: flex-start;
  }

  .code-block pre {
    padding: 24px 18px;
    font-size: 1rem;
  }

  .footer-inner {
    align-items: center;
    flex-direction: row;
    gap: 16px;
  }

  .footer-logo-raiv {
    width: 120px;
  }

  .site-footer p {
    text-align: left;
  }
}

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

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