@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;700&display=swap');

:root {
  --bg: #ffffff;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --surface-ink: #16181d;
  --text: #20252f;
  --muted: #646b77;
  --line: rgba(32, 37, 47, 0.1);
  --line-strong: rgba(32, 37, 47, 0.16);
  --border: rgba(32, 37, 47, 0.12);
  --shadow: 0 28px 90px rgba(29, 35, 46, 0.12);
  --shadow-soft: 0 18px 40px rgba(29, 35, 46, 0.08);
  --radius-xl: 38px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --accent: #0e9a67;
  --accent-2: #2a5ecf;
  --warm: #ffe3bb;
  --cool: #d9e8ff;
}

html {
  scroll-behavior: smooth;
  background: white;
}

body {
  position: relative;
  margin: 0;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  background: transparent;
}

.project-page {
  overflow-x: hidden;
}

.page-main {
  position: relative;
  z-index: 1;
  padding: 26px 0 72px;
}

.page-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  width: 100%;
  margin: 0 0 28px;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: white;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(32, 37, 47, 0.08);
  min-height: 52px;
}

.nav-brand {
  color: var(--surface-ink);
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  text-decoration: none;
}

.nav-x {
  background: linear-gradient(90deg, #08c437, #131ee2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.18em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--surface-ink);
}

.page-backdrop {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.page-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0;
}

.orb-a {
  top: -140px;
  left: -90px;
  width: 380px;
  height: 380px;
  background: transparent;
}

.orb-b {
  top: 180px;
  right: -120px;
  width: 460px;
  height: 460px;
  background: transparent;
}

.page-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.26) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.26) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.25), transparent 82%);
}

.hero-shell,
.abstract-shell .container,
.media-shell .container,
.showcase-shell .hero-body,
.bibtex-shell .container,
.footer-shell .container {
  position: relative;
  max-width: 1240px;
}

.header-wrapper,
.abstract-shell .container,
.media-shell .container,
.showcase-shell .hero-body,
.bibtex-shell .container,
.footer-shell .container {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  box-shadow: none;
}

.header-wrapper {
  margin: 0 auto 20px;
  padding: 0;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
}

.header-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  pointer-events: none;
}

.header-container {
  position: relative;
  z-index: 1;
  color: var(--text);
  text-align: center;
  max-width: 1480px;
  margin: 0 auto;
  padding: 54px 40px 42px;
  opacity: 1;
}

.header-content {
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-mark {
  width: 100%;
  text-align: center;
  margin-bottom: 0.6rem !important;
}

.hero-deck {
  width: 100%;
  max-width: 760px;
  margin: 0 auto 1.5rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
  text-align: center;
}

.hero-panel {
  margin-top: 28px;
  padding: 24px;
  border-radius: 30px;
  background: white;
  border: 1px solid rgba(32, 37, 47, 0.12);
  box-shadow: var(--shadow-soft);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.metric-card {
  padding: 18px 18px 16px;
  text-align: left;
  border-radius: 22px;
  background: white;
  border: 1px solid rgba(32, 37, 47, 0.08);
  box-shadow: 0 14px 28px rgba(29, 35, 46, 0.08);
}

.metric-value {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--surface-ink);
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  line-height: 1.1;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.6;
}

.publication-title {
  display: block;
  width: 100%;
  margin: 0 auto 0.4rem !important;
  max-width: 16ch;
  text-align: center;
  font-family: 'DM Serif Display', serif !important;
  font-size: clamp(2.2rem, 5vw, 3.5rem) !important;
  line-height: 1.15 !important;
  letter-spacing: -0.02em !important;
  color: var(--surface-ink) !important;
  text-wrap: balance;
  font-weight: 400 !important;
}

.header-content > h1 img {
  height: 108px !important;
  margin-top: 0 !important;
  margin-bottom: 0.6rem !important;
  filter: drop-shadow(0 12px 20px rgba(19, 30, 226, 0.16));
}

.publication-authors {
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  line-height: 1.9;
  font-size: 0.93rem;
  text-align: center;
}

.publication-authors a,
.publication-authors a span {
  color: var(--text) !important;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.publication-authors a:hover,
.publication-authors a:hover span {
  color: var(--accent-2) !important;
  opacity: 1;
  text-decoration: none;
}

.author-block {
  display: inline-block;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  justify-content: center;
  gap: 0;
  margin-top: 24px !important;
  margin-bottom: 0 !important;
}

.section-label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: none;
}

.link-block a {
  margin: 0.2rem !important;
  min-width: 0;
  padding: 0.55rem 1.2rem !important;
  border: none !important;
  border-radius: 999px;
  background: rgba(18, 24, 38, 0.96) !important;
  color: #fff !important;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06) !important;
  letter-spacing: 0.01em !important;
  font-family: 'DM Sans', sans-serif !important;
  font-size: 0.84rem !important;
  font-weight: 600 !important;
  height: auto !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.link-block a:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #101826 0%, #20459c 100%) !important;
  box-shadow: 0 18px 34px rgba(18, 24, 38, 0.24);
}

.link-block .icon {
  margin-right: 0.35rem;
}

.results-heading-shell {
  width: min(1360px, calc(100% - 2rem));
  margin: 54px auto 16px !important;
}

.results-heading-shell .column {
  padding-left: 0;
  padding-right: 0;
}

.teaser-shell,
.abstract-shell,
.media-shell,
.showcase-shell,
.bibtex-shell,
.footer-shell,
.section-heading-shell {
  position: relative;
  z-index: 1;
}

.teaser-shell .container,
.abstract-shell .container,
.media-shell .container,
.showcase-shell .hero-body,
.bibtex-shell .container {
  border-radius: 0;
}

.teaser-shell .container,
.media-shell .container,
.abstract-shell .container,
.bibtex-shell .container {
  padding: 0;
}

.teaser-shell {
  margin: -28px auto 28px;
}

.teaser-shell .video {
  position: relative;
}

.teaser .hero-body {
  padding-top: 0;
  padding-bottom: 0;
}

.teaser-shell video#teaser {
  width: 100%;
  display: block;
  border-radius: 28px !important;
  box-shadow: 0 30px 70px rgba(15, 20, 30, 0.2);
}

.video-loader {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.06)),
    rgba(18, 24, 38, 0.18);
  border-radius: 26px;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.loader-content {
  background: rgba(18, 24, 38, 0.82);
  color: white;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.02em;
}

.video-loader.is-hidden {
  opacity: 0;
}

.abstract-shell {
  margin-bottom: 30px;
}

.abstract-shell .column {
  margin-top: 0 !important;
}

.abstract-shell .title,
.media-shell .title,
.section-heading-row .title,
.bibtex-shell .title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 400;
  letter-spacing: -0.015em;
  color: #181d27;
}

.abstract-shell .title::after,
.media-shell .title::after,
.section-heading-row .title::after,
.bibtex-shell .title::after {
  content: '';
  display: block;
  width: 88px;
  height: 4px;
  margin: 14px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.abstract-shell .content {
  max-width: 900px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.98;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}

.media-shell {
  margin-bottom: 30px;
}

.media-shell img {
  display: block;
  width: 100%;
  border-radius: 28px;
  border: 1px solid rgba(32, 37, 47, 0.08);
  box-shadow: 0 20px 50px rgba(16, 24, 40, 0.14);
}

.subtitle {
  color: var(--muted) !important;
  font-family: 'DM Sans', sans-serif;
  line-height: 1.75;
}

.media-shell .subtitle,
.video-panel-shell .subtitle {
  max-width: 860px;
  margin: 18px auto 0;
  font-size: 1rem;
}

.section-heading-row {
  width: min(1260px, calc(100% - 2rem));
  margin: 62px auto 18px !important;
}

.section-heading-row .column {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto !important;
  padding: 0;
  flex: none;
}

.section-heading-row .title {
  margin: 0 !important;
  text-align: left;
}

.section-heading-row .title::after {
  margin-left: 0;
}

.section-heading-row .title::before {
  content: 'Research Section';
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-copy {
  width: min(1260px, calc(100% - 2rem));
  margin: 0 auto 22px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.section-copy p {
  max-width: 720px;
  margin: 0;
}

.results-carousel {
  overflow: hidden;
}

.results-carousel.slider,
.results-carousel .slider,
.results-carousel .slider-container {
  margin-left: auto;
  margin-right: auto;
}

.results-carousel .slider-container {
  justify-content: center;
  align-items: stretch;
}

.results-carousel .slider-item {
  display: flex;
  justify-content: center;
}

.results-carousel .item {
  margin: 5px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 5px 0;
  font-size: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.results-carousel video {
  width: 100%;
  margin: 0 auto;
  display: block;
  border-radius: 18px;
}

.comparison-shell .results-carousel .slider-item {
  align-items: center;
}

#carousel-re10k,
#carousel-dl3dv-6v,
#carousel-dl3dv-12v,
#carousel-dl3dv-24v,
#carousel-dl3dv-hr,
#carousel-comparison-12v {
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.carousel-row-wrapper {
  display: flex;
  align-items: stretch;
  gap: 14px;
  margin: 18px 0;
  padding: 0.75rem;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.carousel-left-label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  flex-shrink: 0;
}

.carousel-left-label-text {
  padding: 0;
  border-radius: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: transparent;
  text-align: center;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  font-family: 'DM Sans', sans-serif;
  box-shadow: none;
}

.carousel-content {
  flex: 1;
  min-width: 0;
}

.slider-pagination .slider-page {
  background: rgba(31, 36, 48, 0.24) !important;
  pointer-events: none;
}

.slider-pagination .slider-page.is-active,
.slider-pagination .slider-page:hover {
  background: linear-gradient(90deg, var(--accent), var(--accent-2)) !important;
}

.video-panel-shell {
  background: transparent !important;
  padding: 0 1rem;
}

.video-panel-shell .hero-body {
  position: relative;
  max-width: 1320px;
  margin: 0 auto 28px;
  padding: 0;
  border-radius: 0;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  overflow: hidden;
}

.video-panel-shell .hero-body::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.video-panel-shell .container {
  position: relative;
  z-index: 1;
}

.video-slider-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 338px;
  margin: 1rem auto;
  overflow: hidden;
  background: #05070b;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 36px rgba(5, 7, 11, 0.26);
}

.video-slider-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.video-slider-wrapper video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.video-left {
  z-index: 1;
}

.video-right {
  z-index: 2;
  clip-path: inset(0 0 0 50%);
  transition: clip-path 0.1s ease-out;
}

.slider-bar {
  position: absolute;
  top: 0;
  left: 50%;
  width: 3px;
  height: 100%;
  background: rgba(255, 255, 255, 0.92);
  z-index: 3;
  pointer-events: none;
}

.slider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  pointer-events: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.video-label {
  position: absolute;
  bottom: 14px;
  font-size: 0.95rem;
  color: white;
  background: rgba(5, 7, 11, 0.6);
  backdrop-filter: blur(8px);
  padding: 7px 12px;
  border-radius: 999px;
  font-weight: 700;
  z-index: 5;
  pointer-events: none;
  font-family: 'DM Sans', sans-serif;
}

.video-label-left {
  left: 14px;
}

.video-label-right {
  right: 14px;
}

.video-toggle-button {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: none;
  padding: 7px;
  border-radius: 14px;
  z-index: 10;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.video-toggle-button img {
  width: 32px;
  height: 32px;
}

.bibtex-shell {
  margin: 34px auto 0;
}

.bibtex-shell pre {
  margin-top: 1.5rem;
  padding: 1.4rem 1.5rem;
  border-radius: 26px;
  background: white;
  color: #31415f;
  overflow-x: auto;
  border: 1px solid rgba(29, 41, 68, 0.09);
  box-shadow: 0 14px 28px rgba(43, 35, 27, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.bibtex-shell code {
  font-size: 0.95rem !important;
  font-family: 'Consolas', 'SFMono-Regular', 'Liberation Mono', Menlo, monospace;
  color: #31415f;
  line-height: 1.75;
}

.footer-shell {
  margin-top: 32px;
  background: transparent;
  padding: 0 1.5rem 2rem;
}

.footer-shell .container {
  border-radius: var(--radius-xl);
  padding: 24px 28px 28px;
}

.footer .icon-link {
  font-size: 1.45rem;
  color: var(--surface-ink);
  margin: 0 0.45rem;
  transition: transform 0.2s ease, color 0.2s ease;
}

.footer .icon-link:hover {
  color: var(--accent-2);
  transform: translateY(-2px);
}

.footer-shell .content,
.footer-shell p,
.footer-shell a {
  color: var(--muted);
}

.footer-shell .column .content > p {
  display: none;
}

.footer-shell .column .content::after {
  content: 'Commons Attribution-ShareAlike 4.0 International License. This project page was redesigned for 2Xplat with a more editorial, modern landing-page presentation.';
  display: block;
  color: var(--muted);
}

.footer-shell a:hover {
  color: var(--accent-2);
}

.header-wrapper,
.teaser-shell .container,
.abstract-shell .container,
.media-shell .container,
.showcase-shell .hero-body,
.bibtex-shell .container,
.footer-shell .container,
.results-carousel .item,
.carousel-row-wrapper,
.video-slider-container,
.link-block a {
  animation: rise-in 0.7s ease both;
}

.header-wrapper {
  animation-delay: 0.05s;
}

.teaser-shell .container {
  animation-delay: 0.12s;
}

.abstract-shell .container {
  animation-delay: 0.18s;
}

.media-shell .container {
  animation-delay: 0.24s;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 1024px) {
  .header-container {
    padding: 64px 48px 52px;
  }

  .publication-title {
    max-width: 16ch;
  }
}

@media (max-width: 768px) {
  .page-main {
    padding: 14px 0 44px;
  }

  .header-wrapper,
  .teaser-shell .container,
  .abstract-shell .container,
  .media-shell .container,
  .showcase-shell .hero-body,
  .bibtex-shell .container,
  .footer-shell .container {
    border-radius: 26px;
  }

  .header-container,
  .teaser-shell .container,
  .abstract-shell .container,
  .media-shell .container,
  .showcase-shell .hero-body,
  .bibtex-shell .container,
  .footer-shell .container {
    padding: 22px 18px;
  }

  .publication-title {
    max-width: 12ch;
    font-size: clamp(2.4rem, 13vw, 4rem) !important;
    line-height: 1.02 !important;
  }

  .page-nav {
    top: 10px;
    padding: 0 1rem;
  }

  .header-content > h1 img {
    height: 84px !important;
  }

  .hero-deck {
    font-size: 0.97rem;
    line-height: 1.75;
  }

  .hero-panel {
    padding: 18px;
    border-radius: 24px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .publication-links {
    gap: 10px;
  }

  .link-block,
  .link-block a {
    width: 100%;
  }

  .link-block a {
    min-width: 0;
  }

  .abstract-shell .content,
  .media-shell .subtitle,
  .video-panel-shell .subtitle {
    font-size: 0.97rem;
    line-height: 1.8;
  }

  .section-heading-row {
    width: calc(100% - 1.25rem);
    margin: 42px auto 14px !important;
  }

  .section-heading-row .title::before {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
  }

  .carousel-row-wrapper {
    gap: 12px;
    padding: 8px 0;
  }

  .video-panel-shell {
    padding: 0 0.7rem;
  }

  .video-panel-shell .hero-body {
    padding: 0;
    border-radius: 0;
  }

  .section-label,
  .hero-kicker {
    font-size: 0.68rem;
    letter-spacing: 0.14em;
  }

  .carousel-left-label {
    min-width: 40px;
  }

  .carousel-left-label-text {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }

  .video-slider-container {
    height: 240px;
    border-radius: 18px;
  }

  .slider-handle {
    width: 34px;
    height: 34px;
  }

  .video-toggle-button img {
    width: 26px;
    height: 26px;
  }
}