:root {
  --bg: #020202;
  --bg-soft: #080808;
  --panel: rgba(10, 10, 10, 0.54);
  --panel-strong: rgba(15, 15, 15, 0.68);
  --panel-soft: rgba(255, 255, 255, 0.06);
  --ink: #f4efe6;
  --muted: rgba(244, 239, 230, 0.7);
  --line: rgba(255, 255, 255, 0.1);
  --accent: #f2b36d;
  --accent-deep: #d88029;
  --olive: #91a37d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --content-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

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

.background-stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #010101;
}

.background-grid {
  position: absolute;
  inset: -3vh -3vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.8rem;
  padding: 0.8rem 0;
  transform: scale(1.03);
}

.background-row {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 21vh;
}

.background-track {
  display: flex;
  align-items: stretch;
  gap: 0.8rem;
  width: max-content;
  animation: marquee-right 144s linear infinite;
  will-change: transform;
}

.background-track[data-speed="slow"] {
  animation-duration: 180s;
}

.background-track[data-speed="fast"] {
  animation-duration: 112s;
}

.background-tile {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  background: #101010;
  flex: 0 0 19vw;
  min-width: 220px;
  height: 100%;
  opacity: 0.42;
  transform: translate3d(0, 0, 0);
}

.background-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.79) saturate(0.96) contrast(1.01);
  transform: scale(1.04);
  transition: opacity 180ms ease;
}

.background-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.03) 0%, rgba(0, 0, 0, 0.28) 100%);
}

.background-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(0, 0, 0, 0.06) 0%, rgba(0, 0, 0, 0.38) 58%, rgba(0, 0, 0, 0.78) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.62) 0%, rgba(0, 0, 0, 0.16) 20%, rgba(0, 0, 0, 0.34) 100%);
}

.page-shell {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem clamp(1.2rem, 3vw, 2.4rem);
  backdrop-filter: blur(22px);
  background: rgba(6, 6, 6, 0.52);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1.42rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0.22rem;
  border-radius: 0.7rem;
  background: rgba(244, 239, 230, 0.92);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text {
  line-height: 1;
}

.site-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

main {
  width: min(var(--content-width), calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.hero-poster {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding: 4rem 0 6rem;
}

.hero-poster-grid {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 0.9fr);
  gap: 1.6rem;
  align-items: center;
}

.poster-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.poster-title {
  margin: 0;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: clamp(4rem, 12vw, 7.5rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 0.96;
}

.poster-subtitle {
  margin: 0.85rem 0 0;
  max-width: 30ch;
  color: rgba(244, 239, 230, 0.92);
  font-size: clamp(1.2rem, 2.6vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: 0.03em;
}

.poster-actions {
  margin-top: 1.8rem;
}

.poster-summary {
  max-width: 60ch;
  margin-top: 3rem;
  color: rgba(244, 239, 230, 0.76);
}

.poster-authors {
  max-width: 70ch;
  margin-top: 0.8rem;
}

.poster-author-note {
  margin: 0.35rem 0 0;
  color: rgba(244, 239, 230, 0.62);
  font-size: 0.95rem;
}

.poster-affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.85rem;
}

.poster-affiliation-item {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(244, 239, 230, 0.86);
}

.poster-affiliation-logo {
  display: block;
  width: auto;
  height: 1.55rem;
  object-fit: contain;
  flex: 0 0 auto;
}

.poster-affiliation-logo-nju {
  height: 1.45rem;
}

.poster-affiliation-logo-baai {
  height: 1.7rem;
}

.poster-affiliation-logo-buaa {
  height: 1.45rem;
}

.poster-affiliation-logo-tsinghua {
  height: 1.35rem;
}

.poster-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-top: 2rem;
  border-radius: 999px;
  color: rgba(244, 239, 230, 0.82);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 1.5rem;
}

.hero-showcase {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.hero-showcase-window {
  position: relative;
  overflow: hidden;
  min-height: 620px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-showcase-grid {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.7rem;
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.02);
}

.hero-showcase-row {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: calc((100% - 2.1rem) / 4);
  min-height: 100px;
}

.hero-showcase-track {
  display: flex;
  align-items: stretch;
  gap: 0.7rem;
  width: max-content;
  animation: marquee-right-showcase 182s linear infinite;
  will-change: transform;
}

.hero-showcase-track[data-speed="slow"] {
  animation-duration: 204s;
}

.hero-showcase-track[data-speed="fast"] {
  animation-duration: 162s;
}

.hero-showcase-tile {
  position: relative;
  overflow: hidden;
  flex: 0 0 240px;
  height: 100%;
  border-radius: 18px;
  background: #111;
  opacity: 0.92;
}

.hero-showcase-original-tile {
  outline: 1px solid rgba(242, 179, 109, 0.5);
  box-shadow: inset 0 0 0 1px rgba(242, 179, 109, 0.18);
}

.hero-showcase-original-tile::before {
  content: "Original";
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  z-index: 2;
  padding: 0.28rem 0.58rem;
  border-radius: 999px;
  background: rgba(7, 7, 7, 0.72);
  border: 1px solid rgba(242, 179, 109, 0.38);
  color: #f7d3a2;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.hero-showcase-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.97) saturate(1.02) contrast(1.02);
  transition: opacity 180ms ease;
}

.hero-showcase-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.14) 100%);
}

.hero-showcase-kicker {
  margin: 0 0 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--accent);
}

.hero-showcase-meta-copy {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-showcase-meta-copy h3 {
  margin: 0;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1.32rem;
}

.hero-showcase-meta {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.hero-showcase-meta p {
  margin: 0;
  color: rgba(244, 239, 230, 0.74);
  font-size: 0.94rem;
}

.hero-showcase-bar {
  width: 100%;
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-showcase-bar span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent) 0%, #f7d3a2 100%);
}

.hero-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  padding: 2rem 0 1rem;
}

.hero-copy,
.hero-visual,
.section-card,
.stats-card,
.feature-card,
.note-card,
.scene-list,
.explorer-main,
.application-card,
.resource-card {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-copy {
  border-radius: var(--radius-xl);
  padding: clamp(1.6rem, 4vw, 3rem);
  min-height: 100%;
}

.eyebrow {
  margin: 0 0 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent);
}

.hero-copy h1,
.section-heading h2,
.feature-card h3,
.application-card h3,
.resource-card strong,
.stat-item strong,
.visual-card.accent p {
  font-family: "Georgia", "Times New Roman", serif;
}

.hero-copy h1,
.section-heading h2 {
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5.2rem);
}

.hero-summary {
  margin: 1.2rem 0 1rem;
  max-width: 58ch;
  font-size: 1.08rem;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.88);
}

.authors {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.action-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.82rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.action-chip.primary {
  color: #1b1206;
  background: linear-gradient(135deg, var(--accent) 0%, #f4d5aa 100%);
  border-color: transparent;
}

.intro-video-section {
  padding-top: 0;
}

.intro-video-heading {
  margin-bottom: 1rem;
}

.intro-video-heading h2 {
  margin: 0;
}

.intro-video-shell {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 22px;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

.intro-video-element {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.intro-video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 0;
  cursor: pointer;
  color: var(--ink);
  background: linear-gradient(180deg, rgba(6, 6, 6, 0.08) 0%, rgba(6, 6, 6, 0.16) 100%);
  transition: opacity 220ms ease, transform 220ms ease;
}

.intro-video-play {
  position: relative;
  width: 74px;
  height: 74px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(4, 4, 4, 0.52);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.intro-video-play::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-38%, -50%);
  width: 0;
  height: 0;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 18px solid #fff;
}

.intro-video-overlay:hover,
.intro-video-overlay:focus-visible {
  transform: scale(1.01);
  outline: none;
}

.intro-video-shell.is-playing .intro-video-overlay {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.hero-visual {
  border-radius: var(--radius-xl);
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.visual-card {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 4px);
  min-height: 100%;
  background: rgba(255, 255, 255, 0.03);
}

.visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.visual-card.large {
  min-height: 360px;
}

.visual-card span,
.stage-label,
.resource-type,
.panel-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 800;
}

.visual-card span {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.55rem 0.7rem;
  border-radius: 999px;
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
}

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

.visual-card.small {
  min-height: 170px;
}

.visual-card.accent {
  display: flex;
  align-items: flex-end;
  padding: 1.2rem;
  color: var(--ink);
  background: linear-gradient(160deg, rgba(242, 179, 109, 0.32) 0%, rgba(216, 128, 41, 0.14) 100%);
}

.visual-card.accent p {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.35;
}

.content-section {
  margin-top: 1.6rem;
}

.overview-section {
  display: grid;
  gap: 1.25rem;
}

.overview-top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 1.2rem;
  align-items: start;
}

.split-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.2rem;
  align-items: start;
}

.overview-main,
.overview-sidebar {
  display: grid;
  gap: 1rem;
}

.overview-lead-card {
  padding: 1.55rem;
}

.overview-lead-split {
  display: grid;
  gap: 1rem;
}

.overview-lead-block {
  padding: 1rem 1.05rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.overview-lead-block h3 {
  margin: 0 0 0.45rem;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1.08rem;
  line-height: 1.25;
}

.overview-lead-block p {
  margin: 0;
  color: rgba(244, 239, 230, 0.9);
}

.overview-takeaway-card {
  min-height: 100%;
}

.overview-datasets-card {
  display: grid;
  gap: 1rem;
}

.overview-dataset-block {
  padding: 1rem 1.05rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.overview-dataset-block h3 {
  margin: 0 0 0.45rem;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1.08rem;
  line-height: 1.25;
}

.overview-dataset-block p {
  margin: 0;
  color: rgba(244, 239, 230, 0.88);
  line-height: 1.68;
}

.overview-dataset-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.overview-dataset-metrics span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(242, 179, 109, 0.12);
  border: 1px solid rgba(242, 179, 109, 0.2);
  color: rgba(244, 239, 230, 0.92);
  font-size: 0.86rem;
}

.overview-dataset-metrics strong {
  font-family: "Fraunces", serif;
  font-size: 1rem;
  color: #f6d3a0;
}

.overview-compare-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  padding: 0.2rem 0;
}

.overview-compare-head h3 {
  margin: 0;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.15;
}

.section-heading {
  margin-bottom: 1rem;
}

.compact-heading {
  max-width: 58rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.prose-card,
.note-card,
.stats-card,
.explorer-main,
.scene-list,
.resource-card,
.intro-overlay {
  border-radius: var(--radius-lg);
}

.section-card,
.stats-card,
.feature-card,
.note-card,
.scene-list,
.explorer-main,
.application-card,
.resource-card {
  padding: 1.35rem;
}

.intro-overlay {
  margin-bottom: 1rem;
}

.prose-card p,
.note-card p,
.application-card p,
.resource-card p,
.lighting-caption p,
.intro-overlay p {
  margin: 0;
  color: rgba(244, 239, 230, 0.86);
  line-height: 1.75;
}

.lighting-caption p:empty {
  display: none;
}

.prose-card p + p,
.note-card p + p,
.resource-card p + p {
  margin-top: 0.9rem;
}

.difference-grid,
.architecture-grid,
.motion-video-grid {
  display: grid;
  gap: 1rem;
}

.architecture-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
}

.architecture-card {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  background: rgba(8, 8, 8, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
}

.architecture-card-baseline {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(8, 8, 8, 0.78) 100%);
}

.architecture-card-ours {
  position: relative;
  background: linear-gradient(180deg, rgba(64, 152, 78, 0.18) 0%, rgba(8, 8, 8, 0.82) 100%);
  border-color: rgba(80, 206, 112, 0.48);
  box-shadow: 0 18px 44px rgba(24, 92, 36, 0.26), var(--shadow);
}

.architecture-card-ours::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(120, 255, 153, 0.12) 0%, rgba(120, 255, 153, 0) 42%);
  pointer-events: none;
}

.architecture-card-ours .difference-kicker {
  color: #9ff0b0;
}

.architecture-card-ours .architecture-card-head h3 {
  color: #f2fff2;
}

.architecture-card-ours .architecture-media {
  border-color: rgba(120, 255, 153, 0.22);
}

.architecture-card-head h3 {
  margin: 0;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1.3rem;
  line-height: 1.2;
}

.architecture-media {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 6px);
  background: #030303;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.architecture-media-image {
  display: block;
  width: 100%;
  height: auto;
}

.difference-card,
.motion-video-card,
.overview-diagram-note {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
}

.difference-card,
.overview-diagram-note,
.motion-video-copy {
  padding: 1.35rem;
}

.difference-card {
  position: relative;
  overflow: hidden;
}

.difference-card-ours,
.overview-diagram-note {
  background: linear-gradient(160deg, rgba(242, 179, 109, 0.16) 0%, rgba(255, 255, 255, 0.04) 100%);
}

.difference-kicker {
  margin: 0 0 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--accent);
}

.difference-card h3,
.overview-diagram-note h3,
.motion-video-copy h3 {
  margin: 0 0 0.7rem;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1.32rem;
}

.difference-card p,
.overview-diagram-note p,
.motion-video-copy p {
  margin: 0;
  color: rgba(244, 239, 230, 0.84);
  line-height: 1.72;
}

.difference-list {
  margin: 0.95rem 0 0;
  padding-left: 1.15rem;
  color: rgba(244, 239, 230, 0.84);
}

.difference-list li + li {
  margin-top: 0.45rem;
}

.stats-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stat-item {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item strong {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  margin-bottom: 0.4rem;
}

.stat-item span {
  color: var(--muted);
  line-height: 1.6;
}

.feature-grid,
.application-grid,
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.application-showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.application-showcase-card {
  overflow: hidden;
  padding: 0;
}

.application-showcase-media {
  padding: 1rem 1rem 0;
}

.application-showcase-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 4px);
  background: rgba(255, 255, 255, 0.02);
}

.application-showcase-copy {
  padding: 1rem 1.2rem 1.2rem;
}

.application-showcase-copy h3 {
  margin: 0 0 0.5rem;
}

.application-showcase-copy p {
  margin: 0;
  color: rgba(244, 239, 230, 0.84);
  line-height: 1.72;
}

.highlight-grid {
  align-items: stretch;
}

.highlight-card {
  min-height: 280px;
}

.media-card {
  overflow: hidden;
  padding: 0;
}

.media-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.feature-figure-card img {
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.02);
}

.media-card-copy {
  padding: 1.2rem 1.35rem 1.35rem;
}

.feature-card,
.application-card,
.resource-card {
  border-radius: var(--radius-lg);
}

.feature-index {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  color: #111;
  background: rgba(242, 179, 109, 0.92);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.feature-card h3,
.application-card h3,
.resource-card strong {
  margin: 0 0 0.6rem;
  font-size: 1.35rem;
}

.feature-card p {
  margin: 0;
  color: rgba(244, 239, 230, 0.82);
  line-height: 1.72;
}

.timeline-pdf-card {
  padding: 1rem;
}

.timeline-figure-link {
  display: block;
  width: 100%;
  border-radius: calc(var(--radius-lg) - 2px);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.timeline-figure-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 2px);
}

.timeline-pdf-caption {
  margin: 0.9rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.motion-compare-head {
  display: grid;
  grid-template-columns: minmax(240px, 0.88fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.motion-compare-head span {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--accent);
}

.motion-compare-body {
  display: grid;
  grid-template-columns: minmax(240px, 0.88fr) minmax(0, 2fr);
  gap: 1rem;
  align-items: start;
}

.motion-input-card,
.motion-result-row {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
}

.motion-input-card {
  position: sticky;
  top: 6rem;
  padding: 0.85rem;
}

.motion-results-panel {
  display: grid;
  gap: 1rem;
}

.motion-result-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.85rem;
}

.motion-result-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  min-width: 2.5rem;
  padding: 0.65rem 0.45rem;
  border-radius: calc(var(--radius-md) + 2px);
  background: rgba(242, 179, 109, 0.16);
  border: 1px solid rgba(242, 179, 109, 0.28);
  color: #f7d3a2;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.motion-compare-gif {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 4px);
  background: #0b0b0b;
  object-fit: contain;
}

.explorer-layout {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 1rem;
}

.showcase-split-grid {
  display: grid;
  gap: 1.25rem;
}

.showcase-group {
  padding: 1rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.showcase-group-heading {
  margin-bottom: 1rem;
}

.showcase-group-heading h3 {
  margin: 0.2rem 0 0;
  font-size: 1.3rem;
}

.scene-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.scene-button,
.light-button {
  font: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: 160ms ease;
}

.scene-button {
  width: 100%;
  padding: 1rem;
  border-radius: var(--radius-md);
  text-align: left;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
}

.scene-button strong {
  display: block;
  margin-bottom: 0.25rem;
}

.scene-button span {
  color: var(--muted);
  font-size: 0.94rem;
}

.scene-button.active,
.scene-button:hover,
.scene-button:focus-visible {
  transform: translateY(-1px);
  background: rgba(242, 179, 109, 0.12);
  border-color: rgba(242, 179, 109, 0.36);
  outline: none;
}

.explorer-main {
  padding: 1rem;
}

.media-mode-note {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.explorer-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.image-compare-stage {
  --compare-position: 50%;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #171717;
  min-height: clamp(18rem, 36vw, 34rem);
}

.compare-image {
  display: block;
  width: 100%;
  height: clamp(18rem, 36vw, 34rem);
  object-fit: contain;
  object-position: center;
  background: #171717;
}

.compare-image-overlay {
  position: absolute;
  inset: 0;
  overflow: hidden;
  clip-path: inset(0 calc(100% - var(--compare-position)) 0 0);
}

.compare-image-top {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--compare-position);
  width: 0;
  transform: translateX(-0.5px);
  border-left: 1px solid rgba(255, 255, 255, 0.92);
  pointer-events: none;
}

.compare-divider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2.5rem;
  height: 2.5rem;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: rgba(14, 14, 14, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.compare-divider-handle::before,
.compare-divider-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 0.55rem;
  height: 0.55rem;
  border-top: 2px solid rgba(255, 255, 255, 0.86);
}

.compare-divider-handle::before {
  left: 0.62rem;
  border-left: 2px solid rgba(255, 255, 255, 0.86);
  transform: translateY(-50%) rotate(-45deg);
}

.compare-divider-handle::after {
  right: 0.62rem;
  border-right: 2px solid rgba(255, 255, 255, 0.86);
  transform: translateY(-50%) rotate(45deg);
}

.compare-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}

.compare-label {
  position: absolute;
  top: 1rem;
  z-index: 2;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(8, 8, 8, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
}

.compare-label-left {
  left: 1rem;
}

.compare-label-right {
  right: 1rem;
}

.stage-column {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.stage-column img {
  width: 100%;
  height: clamp(18rem, 36vw, 34rem);
  object-fit: contain;
  object-position: center;
  border-radius: var(--radius-lg);
  background: #171717;
}

.stage-column .stage-video {
  display: none;
  width: 100%;
  height: clamp(18rem, 36vw, 34rem);
  object-fit: contain;
  object-position: center;
  border-radius: var(--radius-lg);
  background: #171717;
}

.stage-column.media-video img {
  display: none;
}

.stage-column.media-video .stage-video {
  display: block;
}

.lighting-panel {
  display: block;
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
}

.lighting-panel > :first-child {
  min-width: 0;
}

.lighting-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.5rem;
}

.lighting-caption {
  min-width: 0;
  max-width: none;
}

.light-button {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
  font-weight: 700;
}

.light-button.active,
.light-button:hover,
.light-button:focus-visible {
  color: #131313;
  background: linear-gradient(135deg, var(--accent) 0%, #e4c198 100%);
  border-color: transparent;
  outline: none;
}

.muted {
  color: var(--muted) !important;
  margin-top: 0.45rem !important;
}

.resource-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.resource-card {
  display: block;
}

.resource-card:hover,
.resource-card:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.resource-type {
  display: inline-block;
  margin-bottom: 0.9rem;
  color: var(--olive);
}

.site-footer {
  width: min(var(--content-width), calc(100% - 2rem));
  margin: 0 auto 2rem;
  padding-top: 1rem;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@keyframes marquee-right {
  from {
    transform: translateX(calc(-50% - 0.4rem));
  }

  to {
    transform: translateX(0);
  }
}

@keyframes marquee-right-showcase {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(calc(-50% - 0.4rem));
  }
}

@media (max-width: 1080px) {
  .background-row {
    height: 19vh;
  }

  .background-tile {
    flex-basis: 24vw;
  }

  .hero-poster {
    min-height: auto;
    padding: 3rem 0 4rem;
  }

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

  .hero-showcase-window {
    min-height: 520px;
  }

  .hero-showcase-tile {
    flex-basis: 200px;
  }

  .hero-panel,
  .overview-top,
  .split-section,
  .explorer-layout {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .application-grid,
  .application-showcase-grid,
  .resource-grid,
  .architecture-grid,
  .motion-video-grid,
  .timeline-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .motion-compare-head,
  .motion-compare-body {
    grid-template-columns: 1fr;
  }

  .motion-input-card {
    position: static;
  }

  .explorer-stage {
    grid-template-columns: 1fr;
  }

  .image-compare-stage,
  .compare-image {
    min-height: clamp(16rem, 54vw, 28rem);
    height: clamp(16rem, 54vw, 28rem);
  }
}

@media (max-width: 720px) {
  .background-grid {
    gap: 0.5rem;
    padding: 0.5rem 0;
  }

  .background-row {
    height: 16vh;
  }

  .background-track {
    gap: 0.5rem;
  }

  .background-tile {
    flex-basis: 42vw;
    min-width: 150px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  main {
    width: min(var(--content-width), calc(100% - 1rem));
  }

  .poster-title {
    font-size: 3.4rem;
  }

  .poster-subtitle {
    font-size: 1.15rem;
  }

  .hero-showcase-window {
    min-height: 380px;
  }

  .intro-video-play {
    width: 64px;
    height: 64px;
  }

  .overview-compare-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-showcase-grid {
    gap: 0.5rem;
    padding: 0.55rem;
  }

  .hero-showcase-row {
    height: calc((100% - 1.5rem) / 4);
  }

  .hero-showcase-track {
    gap: 0.5rem;
  }

  .hero-showcase-tile {
    flex-basis: 150px;
  }

  .hero-copy h1 {
    font-size: 2.4rem;
  }

  .visual-grid,
  .stats-card,
  .feature-grid,
  .application-grid,
  .application-showcase-grid,
  .resource-grid,
  .architecture-grid,
  .motion-video-grid,
  .timeline-strip {
    grid-template-columns: 1fr;
  }

  .motion-compare-head {
    display: none;
  }

  .motion-result-row {
    grid-template-columns: 1fr;
  }

  .motion-result-badge {
    align-self: start;
    min-width: 0;
    width: fit-content;
  }

  .lighting-panel {
    padding: 0.9rem;
  }

  .showcase-group {
    padding: 0.85rem;
  }
}