/* EmbodiedSplat — visual design adapted from gaussianworld.github.io/Chorus */

:root {
  --bg: #f2efec;
  --paper: #fbfaf7;
  --ink: #101817;
  --muted: #596862;
  --line: rgba(22, 52, 48, 0.13);
  --glass: rgba(255, 255, 255, 0.6);
  --glass-strong: rgba(255, 255, 255, 0.84);
  --teal: #216d68;
  --deep-teal: #123f3d;
  --coral: #d85d4c;
  --gold: #c9963a;
  --blue: #386f96;
  --mist: #e9edf1;
  --shadow: 0 22px 70px rgba(23, 43, 39, 0.1);
  --shadow-soft: 0 14px 36px rgba(23, 43, 39, 0.07);
  --radius: 22px;
  --toc-bar-height: 66px;
  --toc-bar-pad-x: max(18px, calc((100% - 1120px) / 2));
  --toc-bar-pad-y: 6px;
  --toc-nav-height: 54px;
  --toc-brand-icon-size: 32px;
  color-scheme: light;
}

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

html { scroll-behavior: smooth; }

body {
  position: relative;
  margin: 0;
  min-width: 320px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(150deg, rgba(224, 226, 234, 0.52), transparent 34%),
    linear-gradient(24deg, rgba(239, 220, 214, 0.36), transparent 36%),
    linear-gradient(180deg, #f4f1ee 0%, #f8f5f1 48%, #eef1f4 100%),
    var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.2) 0,
    rgba(255, 255, 255, 0.2) 1px,
    transparent 1px,
    transparent 140px
  );
  opacity: 0.28;
}

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

/* ── Topbar ────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  min-height: var(--toc-bar-height);
  padding: var(--toc-bar-pad-y) var(--toc-bar-pad-x);
  border-bottom: 1px solid rgba(28, 42, 40, 0.1);
  background: rgba(248, 246, 242, 0.74);
  backdrop-filter: blur(20px) saturate(1.12);
  box-shadow: 0 10px 28px rgba(32, 38, 37, 0.06);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
  transition:
    opacity 220ms ease,
    transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
    background 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease;
}

.topbar.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.topbar.is-scrolled {
  background: rgba(248, 246, 242, 0.9);
  border-color: rgba(28, 42, 40, 0.13);
  box-shadow: 0 12px 30px rgba(32, 38, 37, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 34px;
  min-width: max-content;
  padding-right: 8px;
  font-weight: 850;
  font-size: 0.97rem;
  line-height: 1;
  color: #0f2928;
  text-decoration: none;
}

.brand img {
  display: block;
  flex: 0 0 auto;
  width: var(--toc-brand-icon-size);
  height: var(--toc-brand-icon-size);
  border-radius: 10px;
  object-fit: contain;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.brand span {
  display: inline-flex;
  align-items: center;
  height: 1em;
}

.topnav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  min-width: 0;
  max-width: 100%;
  min-height: var(--toc-nav-height);
  overflow: visible;
  scrollbar-width: none;
}

.topnav::-webkit-scrollbar { display: none; }

.topnav a {
  position: relative;
  z-index: 2;
  align-self: center;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  height: 34px;
  padding: 0 13px;
  color: rgba(16, 24, 23, 0.7);
  font-size: 0.92rem;
  font-weight: 760;
  line-height: 1;
  white-space: nowrap;
  isolation: isolate;
  transition: color 180ms ease, transform 180ms ease;
}

.topnav a::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 10px;
  right: 10px;
  top: 4px;
  bottom: 1px;
  border-radius: 18px;
  background:
    radial-gradient(ellipse at 50% 20%, rgba(255,255,255,0.82), transparent 58%),
    linear-gradient(90deg, rgba(185,202,216,0.16), rgba(244,238,230,0.26), rgba(232,183,173,0.15));
  filter: blur(8px);
  opacity: 0;
  transform: translateY(2px) scaleX(0.78);
  transition: opacity 220ms ease, transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.topnav a:hover {
  color: #213330;
  text-shadow: 0 0 14px rgba(255,255,255,0.58);
  transform: translateY(-1px);
}

.topnav a.is-active { color: #112421; text-shadow: 0 0 18px rgba(255,255,255,0.86); }

.topnav a:hover::before { opacity: 0.34; transform: translateY(1px) scaleX(0.92); }
.topnav a.is-active::before { opacity: 0.38; transform: translateY(1px) scaleX(0.96); }

/* ── Hero (full-screen video) ────────────────────────────── */
.hero {
  position: relative;
  display: grid;
  width: 100%;
  aspect-ratio: 1506 / 719;
  max-height: 88vh;
  overflow: hidden;
  background: #111;
  isolation: isolate;
}

.hero-media, .hero-video, .hero-shade {
  position: absolute;
  inset: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  transition: opacity 700ms ease;
}

.hero-video.is-active { opacity: 1; }

.hero-shade {
  z-index: 1;
  background: transparent;
  pointer-events: none;
}

.hero-switcher {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  display: flex;
  gap: 4px;
  width: min(680px, calc(100% - 34px));
  padding: 5px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 999px;
  background:
    radial-gradient(circle at 18% 0%, rgba(255,255,255,0.88), transparent 26%),
    radial-gradient(circle at 82% 108%, rgba(185,202,216,0.34), transparent 36%),
    linear-gradient(135deg, rgba(255,255,255,0.34), rgba(255,255,255,0.12) 46%, rgba(255,255,255,0.28));
  backdrop-filter: blur(26px) saturate(1.28);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.78),
    inset 0 -10px 24px rgba(255,255,255,0.13),
    inset 0 -1px 0 rgba(17,34,32,0.08),
    0 18px 44px rgba(24,32,31,0.16);
}

.hero-tab {
  position: relative;
  z-index: 1;
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(16, 24, 23, 0.48);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  text-shadow: 0 1px 14px rgba(255,255,255,0.78);
  transition: color 220ms ease, text-shadow 220ms ease;
}

.hero-tab:hover { color: rgba(16, 24, 23, 0.74); }

.hero-tab.is-active {
  color: #10201f;
  text-shadow:
    0 1px 0 rgba(255,255,255,0.72),
    0 0 13px rgba(255,255,255,0.92),
    0 0 20px rgba(185,202,216,0.52),
    0 4px 18px rgba(244,238,230,0.42);
}

/* ── Page wrapper ───────────────────────────────────────── */
.page {
  width: min(1120px, calc(100% - 36px));
  margin: 46px auto 72px;
}

/* ── Section cards (glassmorphism) ─────────────────────── */
.section {
  scroll-margin-top: 96px;
  margin: 34px 0;
  padding: 62px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.82), rgba(246,244,240,0.58)),
    linear-gradient(28deg, rgba(226,230,237,0.28), rgba(239,220,214,0.18)),
    linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.7),
    0 24px 70px rgba(26,43,39,0.08);
  backdrop-filter: blur(18px) saturate(1.08);
}

.section h2 {
  max-width: 860px;
  margin: 0;
  font-size: 1.92rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.section h3 { margin: 0; }

/* ── Eyebrow label ─────────────────────────────────────── */
.eyebrow {
  margin: 0 0 14px;
  color: var(--coral);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.92rem;
}

/* ── Project info section ──────────────────────────────── */
.project-info {
  text-align: center;
  padding-top: 72px;
  padding-bottom: 72px;
}

.project-info h2 { margin-inline: auto; }

.presentation {
  margin: 16px 0 0;
  color: var(--coral);
  font-size: 1.22rem;
  font-weight: 850;
}

/* ── Pill action links ─────────────────────────────────── */
.link-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 22px;
}

.pill-link {
  font: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 42px;
  padding: 0 19px;
  border: 1px solid rgba(47, 129, 121, 0.2);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,0.86), rgba(248,253,250,0.68));
  color: var(--deep-teal);
  cursor: pointer;
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px) saturate(1.1);
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.pill-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(26, 64, 60, 0.16);
}

.pill-link > span:not(.link-icon) {
  display: inline-flex;
  align-items: center;
  height: 1em;
  line-height: 1;
}

.link-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  color: currentColor;
}

.link-icon img, .link-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.github-icon { width: 22px; height: 22px; }
.hf-icon { width: 23px; height: 23px; }

/* ── Authors ───────────────────────────────────────────── */
.authors {
  max-width: 980px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.86;
}

.authors a {
  color: var(--blue);
  font-weight: 720;
  white-space: nowrap;
}

.authors a:hover {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.notes,
.institutions,
.section-lead {
  max-width: 890px;
  margin: 18px auto 0;
  color: var(--muted);
  line-height: 1.72;
}

.institutions { font-size: 0.96rem; }

.section-lead {
  max-width: 720px;
  margin-left: 0;
  margin-right: 0;
}

/* ── TL;DR block ───────────────────────────────────────── */
.tldr {
  position: relative;
  max-width: 880px;
  margin: 30px 0 18px;
  padding: 0;
  color: #1f302d;
  font-size: 1.1rem;
  line-height: 1.58;
}

.tldr::before {
  content: "";
  display: block;
  width: 96px;
  height: 5px;
  margin-bottom: 15px;
  border-radius: 999px;
  background: #c8b7cf;
}

/* ── Figures ───────────────────────────────────────────── */
.paper-figure {
  width: 100%;
  margin: 30px 0 0;
}

.paper-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border: 0;
}

.pipeline-figure { margin-top: 28px; }

.glass-figure {
  margin: 30px 0 0;
  overflow: hidden;
  border: 1px solid rgba(20, 24, 23, 0.1);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.8), rgba(248,246,242,0.58)),
    radial-gradient(circle at 8% 6%, rgba(255,255,255,0.82), transparent 34%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.72),
    0 20px 54px rgba(22,44,40,0.08);
  backdrop-filter: blur(18px) saturate(1.08);
}

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

.glass-figure figcaption {
  margin: 0;
  padding: 13px 16px 15px;
  border-top: 1px solid rgba(20, 24, 23, 0.08);
  color: rgba(40, 58, 55, 0.78);
  font-size: 0.88rem;
  line-height: 1.54;
}

/* ── Contributions / motivation grid ──────────────────── */
.motivation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 28px 0 36px;
  padding: 6px 0;
  border-top: 1px solid rgba(20, 24, 23, 0.09);
  border-bottom: 1px solid rgba(20, 24, 23, 0.09);
}

.motivation-card {
  position: relative;
  min-height: 0;
  padding: 20px 26px 20px 0;
  overflow: hidden;
}

.motivation-card + .motivation-card {
  padding-left: 26px;
  border-left: 1px solid rgba(20, 24, 23, 0.1);
}

.motivation-card::before {
  content: "";
  display: block;
  width: 88px;
  height: 4px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: #b9cbbf;
}

.motivation-card:nth-child(2)::before { background: #adc5d6; }
.motivation-card:nth-child(3)::before { background: #dfa99e; }
.motivation-card:nth-child(4)::before { background: #c8b7cf; }

.motivation-card span {
  display: block;
  color: var(--deep-teal);
  font-size: 1.02rem;
  font-weight: 900;
}

.motivation-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.62;
}

/* Takeaway tags */
.motivation-takeaway {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 36px;
}

.motivation-takeaway span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 15px;
  border: 1px solid rgba(47, 129, 121, 0.16);
  border-radius: 999px;
  background:
    radial-gradient(circle at 20% 0%, rgba(255,255,255,0.84), transparent 46%),
    linear-gradient(135deg, rgba(185,203,191,0.34), rgba(173,197,214,0.2));
  color: var(--deep-teal);
  font-size: 0.88rem;
  font-weight: 850;
  box-shadow: 0 10px 22px rgba(22, 44, 40, 0.06);
  backdrop-filter: blur(12px) saturate(1.08);
}

/* ── Demo videos ───────────────────────────────────────── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.demo-video-card {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(20, 24, 23, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 14px 34px rgba(22, 44, 40, 0.08);
}

.demo-video-card video {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: #111817;
}

.demo-video-card p {
  margin: 0;
  padding: 12px 14px 10px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--deep-teal);
  font-size: 0.9rem;
  font-weight: 820;
  text-align: center;
}

/* Wide 2-col video layout for larger videos */
.video-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  max-width: 680px;
  margin-inline: auto;
}

.video-grid-2 .demo-video-card video {
  aspect-ratio: unset;
  height: auto;
  object-fit: contain;
}

.video-grid-2 .demo-video-card:only-child {
  grid-column: 1 / -1;
}

/* Side-by-side video row — equal height, width proportional to each video's ratio */
.demo-video-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 28px;
}

.demo-video-row .demo-video-card {
  flex: 1 1 0; /* JS overrides flex-grow with each video's aspect ratio */
  min-width: 0;
}

.demo-video-row .demo-video-card video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: unset;
  object-fit: unset;
}

.video-caption {
  margin: 0;
  padding: 9px 14px 10px;
  border-top: 1px solid rgba(20, 24, 23, 0.08);
  background: rgba(255, 255, 255, 0.5);
  color: var(--deep-teal);
  font-size: 0.86rem;
  font-weight: 820;
  text-align: center;
}

@media (max-width: 600px) {
  .demo-video-row { flex-direction: column; }
  .demo-video-row .demo-video-card {
    flex: none !important;
    width: 100%;
  }
  .demo-video-row .demo-video-card video {
    aspect-ratio: 16 / 9;
    height: auto;
    object-fit: cover;
  }
}

/* Overlay play/pause icon */
.demo-video-card video { cursor: pointer; }

.video-overlay-icon {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
}

.video-overlay-icon svg {
  width: 58px;
  height: 58px;
  padding: 14px;
  border-radius: 50%;
  fill: white;
  background: rgba(0, 0, 0, 0.42);
  display: none;
}

@keyframes iconFlash {
  0%   { opacity: 0; transform: scale(0.72); }
  18%  { opacity: 1; transform: scale(1);    }
  66%  { opacity: 1; transform: scale(1);    }
  100% { opacity: 0; transform: scale(1.08); }
}

/* Idle state: persistent play button before first play */
.demo-video-card.is-idle .video-overlay-icon {
  opacity: 1;
  background: rgba(0, 0, 0, 0.18);
  animation: none !important;
  transition: background 0.2s ease;
}

.demo-video-card.is-idle:hover .video-overlay-icon {
  background: rgba(0, 0, 0, 0.28);
}

.demo-video-card.is-idle .icon-play {
  display: block;
  transition: transform 0.18s ease;
}

.demo-video-card.is-idle:hover .icon-play {
  transform: scale(1.12);
}

/* Progress bar */
.video-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: rgba(255, 255, 255, 0.22);
  cursor: pointer;
  z-index: 5;
  transition: height 0.18s ease;
}

.demo-video-card:hover .video-progress {
  height: 8px;
}

.video-progress-fill {
  position: relative;
  height: 100%;
  width: 0%;
  background: var(--teal);
  border-radius: 0 2px 2px 0;
  pointer-events: none;
  transition: width 0.1s linear;
}

.video-progress-thumb {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(50%, -50%) scale(0);
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.7);
  transition: transform 0.15s ease;
}

.demo-video-card:hover .video-progress-thumb {
  transform: translate(50%, -50%) scale(1);
}

/* ── Viewer stage (Interactive 3DGS) — Chorus style ───────── */
.viewer-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 320px;
  margin-top: 32px;
  border-radius: 18px;
  background: #111817;
  overflow: hidden;
  box-shadow: 0 22px 56px rgba(22, 44, 40, 0.14);
}

.viewer-placeholder {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 28px;
  color: #fff;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(89,104,98,0.28) 0%, rgba(89,104,98,0.12) 38%, rgba(89,104,98,0) 68%),
    linear-gradient(135deg, rgba(185,203,191,0.18), rgba(173,197,214,0.10)),
    url("../images/interactive_demo.png") center / cover;
}

.viewer-placeholder > div {
  width: min(560px, 92%);
}

.viewer-kicker {
  margin: 0;
  color: #f0d09b;
  font-weight: 850;
  font-size: 1.72rem;
  line-height: 1.12;
  text-shadow: 0 2px 14px rgba(18, 63, 61, 0.44);
}

.load-viewer-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  margin-top: 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--deep-teal), var(--teal));
  color: #fff;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 850;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 8px 18px rgba(18, 63, 61, 0.2);
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.load-viewer-button:hover {
  transform: translateY(-1px);
}

.viewer-note {
  margin-top: 14px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  text-shadow: 0 1px 6px rgba(18, 63, 61, 0.5);
}

/* ── Interact callout ──────────────────────────────────── */
.interact-callout {
  display: inline-block;
  padding: 0.55rem 1.4rem;
  border: 2px solid var(--teal);
  border-radius: 999px;
  color: var(--deep-teal);
  background: rgba(255, 255, 255, 0.85);
  font-weight: 850;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: interactPulse 2.4s ease-in-out infinite;
}

.interact-callout:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(33, 109, 104, 0.22);
}

@keyframes interactPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(33, 109, 104, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(33, 109, 104, 0); }
}

/* ── Results table ─────────────────────────────────────── */
.results-table-wrap {
  margin-top: 28px;
  overflow-x: auto;
  border-radius: 18px;
  border: 1px solid rgba(20, 24, 23, 0.1);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 36px rgba(22, 44, 40, 0.07);
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.4;
  white-space: nowrap;
}

.results-table thead tr {
  background: var(--deep-teal);
}

.results-table thead th {
  padding: 14px 22px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 850;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
}

.results-table thead th:first-child {
  text-align: left;
  border-radius: 17px 0 0 0;
}

.results-table thead th:last-child {
  border-radius: 0 17px 0 0;
}

.results-table tbody tr {
  border-top: 1px solid rgba(20, 24, 23, 0.07);
  transition: background 150ms ease;
}

.results-table tbody tr:hover {
  background: rgba(33, 109, 104, 0.05);
}

.results-table tbody td {
  padding: 11px 22px;
  color: var(--muted);
  text-align: center;
}

.results-table tbody td:first-child {
  text-align: left;
  color: var(--ink);
  font-weight: 700;
}

/* Group divider row */
.results-table tbody tr.group-divider td {
  padding: 6px 22px;
  border-top: 1px solid rgba(20, 24, 23, 0.1);
  background: rgba(22, 52, 48, 0.04);
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-align: left;
}

.results-table tbody tr.group-divider:hover {
  background: rgba(22, 52, 48, 0.04);
}

/* Our method highlight */
.results-table tbody tr.ours {
  background: linear-gradient(90deg,
    rgba(33, 109, 104, 0.09) 0%,
    rgba(33, 109, 104, 0.04) 100%);
}

.results-table tbody tr.ours td:first-child {
  color: var(--teal);
  font-weight: 900;
}

.results-table tbody tr.ours:hover {
  background: linear-gradient(90deg,
    rgba(33, 109, 104, 0.14) 0%,
    rgba(33, 109, 104, 0.07) 100%);
}

/* Best value */
.results-table .best {
  color: var(--coral);
  font-weight: 900;
}

/* Check / cross / partial */
.tbl-check   { color: var(--teal);  font-weight: 900; font-size: 1rem; }
.tbl-cross   { color: rgba(20, 24, 23, 0.22); font-size: 1rem; }
.tbl-partial { color: var(--gold);  font-size: 1.1rem; line-height: 1; }

/* Dense variant — for wide multi-column tables */
.results-table--dense {
  font-size: 0.81rem;
}
.results-table--dense thead th {
  padding: 10px 13px;
  font-size: 0.72rem;
}
.results-table--dense tbody td {
  padding: 8px 13px;
}
.results-table--dense .group-divider td {
  padding: 5px 13px;
}

/* Sub-header rows (2nd and 3rd thead tr) */
.results-table--dense thead tr:nth-child(2) th {
  background: rgba(18, 63, 61, 0.82);
  font-size: 0.69rem;
  padding: 8px 13px;
}
.results-table--dense thead tr:nth-child(3) th {
  background: rgba(33, 109, 104, 0.68);
  font-size: 0.67rem;
  letter-spacing: 0.03em;
  padding: 6px 13px;
  color: rgba(255, 255, 255, 0.78);
  text-transform: none;
}

/* Group separator — stronger border on first row of each group */
.results-table tbody tr.group-start td {
  border-top: 1.5px solid rgba(20, 24, 23, 0.18);
}

/* Second-best value */
.second-best {
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 750;
}

/* Status labels */
.tbl-online        { color: var(--teal);  font-weight: 850; }
.tbl-offline       { color: rgba(89, 104, 98, 0.45); }
.tbl-generalizable { color: var(--teal);  font-weight: 850; }
.tbl-per-scene     { color: var(--muted); }

/* ── Metric bar chart ──────────────────────────────────── */
.metric-bars {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(20, 24, 23, 0.09);
}

.metric-bars-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 18px;
}

.metric-bars-title {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 900;
  color: var(--deep-teal);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric-bars-subtitle {
  font-size: 0.78rem;
  color: var(--muted);
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 7px;
}

.bar-label {
  flex: 0 0 200px;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-label.is-ours {
  color: var(--teal);
  font-weight: 850;
}

.bar-track {
  flex: 1;
  height: 9px;
  background: rgba(20, 24, 23, 0.07);
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: var(--w, 0%);
  border-radius: 999px;
  background: rgba(89, 104, 98, 0.28);
  animation: barGrow 1s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--delay, 0s);
}

.bar-fill.is-ours {
  background: linear-gradient(90deg, var(--teal), rgba(33, 109, 104, 0.62));
}

.bar-fill.is-ours-fast {
  background: linear-gradient(90deg, rgba(33, 109, 104, 0.68), rgba(33, 109, 104, 0.38));
}

.bar-value {
  flex: 0 0 36px;
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(89, 104, 98, 0.7);
  text-align: left;
}

.bar-value.is-ours { color: var(--teal); font-weight: 900; }

.bar-group-gap { margin-bottom: 14px; }

@keyframes barGrow {
  from { width: 0; }
  to   { width: var(--w); }
}

/* Caption */
.table-caption {
  margin: 12px 0 0;
  color: rgba(68, 82, 78, 0.62);
  font-size: 0.82rem;
  line-height: 1.56;
}

/* ── BibTeX ────────────────────────────────────────────── */
.bibtex-container {
  margin-top: 24px;
}

.bibtex-container pre {
  margin: 0;
  padding: 22px 24px;
  overflow-x: auto;
  color: #253231;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(20, 24, 23, 0.1);
  border-radius: 18px;
}

/* ── Footer ────────────────────────────────────────────── */
.site-footer {
  width: min(1120px, calc(100% - 36px));
  margin: -34px auto 40px;
  color: rgba(68, 82, 78, 0.52);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.6;
  text-align: center;
}

.site-footer p { margin: 0; }

.site-footer a {
  color: rgba(33, 109, 104, 0.72);
  text-decoration: none;
}

.site-footer a:hover { color: var(--deep-teal); }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .topbar {
    align-items: center;
    flex-direction: row;
    gap: 14px;
    padding: var(--toc-bar-pad-y) 18px;
  }

  .topnav {
    min-width: 0;
    width: auto;
    justify-content: flex-end;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .hero { max-height: 70vh; }

  .section h2 { font-size: 1.72rem; }
  .presentation { font-size: 1.25rem; }
  .tldr { font-size: 1rem; }

  .motivation-grid { grid-template-columns: 1fr 1fr; }
  .video-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .topbar {
    top: 0;
    left: 0;
    width: 100%;
    min-height: var(--toc-bar-height);
    padding: var(--toc-bar-pad-y) 18px;
  }

  .topnav {
    flex: 1;
    gap: 5px;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-mask-image: linear-gradient(to right, black 78%, transparent 100%);
    mask-image: linear-gradient(to right, black 78%, transparent 100%);
  }

  .hero { max-height: 55vh; min-height: 260px; }

  .hero-switcher {
    width: min(320px, calc(100% - 20px));
    bottom: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    justify-content: flex-start;
  }

  .hero-switcher::-webkit-scrollbar { display: none; }

  .hero-tab {
    flex: 0 0 auto;
    min-height: 28px;
    padding: 0 10px;
    font-size: 0.68rem;
  }

  .section {
    scroll-margin-top: 132px;
    margin: 18px 0;
    padding: 28px 16px;
    border-radius: 26px;
  }

  .project-info {
    padding-top: 34px;
    padding-bottom: 36px;
  }

  .section h2 { font-size: 1.32rem; line-height: 1.12; }
  .eyebrow { font-size: 0.82rem; }
  .presentation { font-size: 1.08rem; }
  .authors { font-size: 0.88rem; line-height: 1.72; }

  .notes, .institutions, .section-lead {
    font-size: 0.9rem;
    line-height: 1.62;
  }

  .tldr { font-size: 1rem; }

  .motivation-grid { grid-template-columns: 1fr; padding: 0; }

  .motivation-card, .motivation-card + .motivation-card {
    padding: 18px 0;
    border-left: 0;
  }

  .motivation-card + .motivation-card {
    border-top: 1px solid rgba(20, 24, 23, 0.09);
  }

  .video-grid { grid-template-columns: 1fr; }
  .video-grid-2 { grid-template-columns: 1fr; }

  .bibtex-container pre { font-size: 0.72rem; }

  .viewer-kicker { font-size: 1.25rem; }

  .viewer-stage {
    aspect-ratio: unset;
    min-height: 220px;
    height: 52vw;
    max-height: 320px;
  }
}