/* ===== CSS Reset & Custom Properties ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7f9;
  --color-text: #1d1d1f;
  --color-text-secondary: #6b6b72;
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;
  --color-highlight-bg: rgba(255, 214, 10, 0.15);
  --color-border: #d2d2d7;
  --color-border-light: #ebebee;
  --color-card-bg: #f7f7f9;
  --paper-primary: #73A4C6;
  --paper-primary-dark: #4a7fb5;
  --font-primary: 'Noto Sans', sans-serif;
  --font-heading: 'Google Sans', 'Noto Sans', sans-serif;
  --max-width: 1280px;
  --section-padding: clamp(24px, 3vh, 40px) clamp(20px, 5vw, 40px);
  --transition-reveal: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s ease;
}

/* ===== Dark Mode ===== */
body.dark-mode {
  --color-bg: #000000;
  --color-bg-alt: #141418;
  --color-text: #f0f0f3;
  --color-text-secondary: #9e9ea6;
  --color-accent: #2997ff;
  --color-accent-hover: #64b5f6;
  --color-highlight-bg: rgba(255, 214, 10, 0.12);
  --color-border: #3a3a40;
  --color-border-light: #26262c;
  --color-card-bg: #141418;
  --paper-primary: #73A4C6;
  --paper-primary-dark: #73A4C6;
}

body.dark-mode .nav-top {
  background: rgba(0, 0, 0, 0.72);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

body.dark-mode .pub-links a {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

body.dark-mode .pub-links a:hover {
  background: var(--color-accent);
  color: #000;
  border-color: var(--color-accent);
}

body.dark-mode .bibtex-block {
  background: #13131f;
}

/* ===== Base ===== */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-gutter: stable both-edges;
}

body {
  font-family: var(--font-primary);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

/* ===== Theme Toggle ===== */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  opacity: 0.6;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  opacity: 1;
  background: rgba(128, 128, 128, 0.1);
}

.icon-sun { display: none; }
.icon-moon { display: block; }
body.dark-mode .icon-sun { display: block; }
body.dark-mode .icon-moon { display: none; }

/* ===== Top Navigation ===== */
.nav-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 14px 20px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  text-decoration: none;
}

.nav-home {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.nav-top.scrolled .nav-home {
  opacity: 0.7;
  pointer-events: auto;
}

.nav-link:hover,
.nav-link.active {
  opacity: 1;
  color: var(--color-text);
}

.nav-top:not(.scrolled) .nav-home {
  opacity: 0;
  pointer-events: none;
}

/* ===== Reveal Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  padding: 48px clamp(20px, 5vw, 40px);   /* horizontal matches .content-section */
  background: var(--color-bg);
  text-align: center;
  position: relative;
}

/* Native, responsive. margin:auto centers it when it fits; on short windows
   the auto margins collapse so content flows from the top and scrolls. */
.hero-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: auto;
  animation: heroFadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Title — base ===== */
.hero-title {
  font-size: clamp(1.3rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  padding: 46px 0;
  margin-bottom: 14px;
  color: var(--color-text);
  white-space: nowrap;
  position: relative;
  display: inline-block;
}

/* ===== Hero Authors & Affiliation ===== */
.hero-authors {
  font-size: clamp(15px, 1.55vw, 21px);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 10px;
}

.hero-authors a {
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.hero-authors a:hover {
  color: var(--color-accent);
}

.hero-authors strong {
  color: var(--color-text);
}

.hero-affiliation {
  font-size: clamp(14px, 1.3vw, 18px);
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}

.hero-affiliation a {
  color: var(--color-text-secondary);
}

.hero-affiliation a:hover {
  color: var(--color-accent);
}

.hero-venue {
  font-size: clamp(15px, 1.35vw, 19px);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-top: 4px;
  margin-bottom: 10px;
}

.hero-venue a {
  color: #c5960c;
  transition: color var(--transition-fast);
}

.hero-venue a:hover {
  color: #e0ab1a;
}


/* ===== Publication Link Buttons ===== */
.pub-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.pub-links a {
  font-size: clamp(12px, 1.2vw, 16px);
  font-weight: 500;
  color: var(--color-accent);
  padding: 7px 16px;
  border-radius: 980px;
  border: 1px solid var(--color-accent);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pub-links a:hover {
  background: var(--color-accent);
  color: #fff;
}

.pub-links a svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ===== Content Sections ===== */
.content-section {
  padding: var(--section-padding);
  background: var(--color-bg);
  position: relative;
}

.content-section:nth-child(even) {
  background: var(--color-bg);
}

#method.content-section {
  background: var(--color-bg);
}

#crossmodal.content-section {
  padding-top: clamp(20px, 2.5vh, 32px);
}

#crossmodal .section-inner {
  max-width: 1320px;
}

#crossmodal .method-heading {
  white-space: nowrap;
  font-size: clamp(1.55rem, 2.6vw, 2.4rem);
}

body.dark-mode #method.content-section {
  background: var(--color-bg);
}

.section-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 3.2vw, 2.9rem);
  color: var(--color-text);
  margin-bottom: 32px;
  padding-bottom: 0;
  border-bottom: none;
}

.section-body {
  font-size: 18px;
  line-height: 1.75;
  color: var(--color-text);
}

.section-body p {
  margin-bottom: 16px;
}

.placeholder-block {
  background: var(--color-card-bg);
  border-radius: 16px;
  padding: 60px 40px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 15px;
  margin-top: 24px;
  border: 1px dashed var(--color-border);
}

/* ===== BibTeX ===== */
.bibtex-block {
  background: #1e1e2e;
  border-radius: 6px;
  padding: 20px 24px;
  overflow-x: auto;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.875rem;
  line-height: 1.65;
  color: #cdd6f4;
  margin-top: 16px;
}

/* ===== Interactive Demo Panel ===== */
.demo-panel {
  margin-bottom: 6px;
}

.demo-title {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}

.demo-images {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.demo-col {
  text-align: center;
}

.demo-img-wrapper {
  position: relative;
  cursor: crosshair;
  overflow: hidden;
  border-radius: 8px;
  background: var(--color-card-bg);
  line-height: 0;
}

.demo-img-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.demo-roi {
  position: absolute;
  border: 2px solid #ff3b30;
  border-radius: 3px;
  pointer-events: none;
  z-index: 2;
  /* Size set by JS: 25% x 25% of the image */
  width: 25%;
  height: 25%;
  top: 0;
  left: 0;
}

.demo-roi-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 10px;
  font-weight: 600;
  text-align: center;
  line-height: 1.3;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.demo-img-wrapper:hover .demo-roi-hint {
  opacity: 0;
  pointer-events: none;
}

.demo-col canvas {
  width: 100%;
  border-radius: 8px;
  background: var(--color-card-bg);
  display: block;
}

#demo-naive-canvas {
  border: 2px dashed #ff3b30;
}

#demo-foveated-canvas {
  border: 2px solid #ff3b30;
}

.demo-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 8px;
  font-weight: 500;
}

.demo-caption {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-top: 16px;
  text-align: justify;
}

/* ===== Hero Tagline (typewriter) ===== */
.hero-tagline-wrapper {
  text-align: center;
}

.tagline-section {
  padding: 56px 20px;
  background: var(--color-bg);
  text-align: center;
}

.hero-tagline-line {
  font-size: clamp(12px, 1.1vw, 15px);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.8;
  letter-spacing: 0.01em;
  min-height: 1.8em;
  margin: 0;
  display: block;
}

/* ===== Scroll Down Arrow ===== */
.scroll-arrow {
  display: block;
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-secondary);
  opacity: 0.5;
  text-decoration: none;
  cursor: pointer;
  animation: bounceArrow 2s ease-in-out infinite;
  z-index: 10;
  padding: 10px;
}

/* Hero scroll arrow: in-flow, right below buttons */
.hero-scroll-arrow {
  position: static;
  transform: none;
  margin-top: 8px;
  display: inline-block;
  animation: bounceArrowInline 2s ease-in-out infinite;
}

@keyframes bounceArrowInline {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(10px); opacity: 1; }
}

.scroll-arrow:hover {
  opacity: 1;
  color: var(--color-accent);
}

.hero-scroll-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.hero-scroll-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.scroll-hint {
  font-size: 12px;
  color: var(--color-text-secondary);
  opacity: 0.6;
  letter-spacing: 0.05em;
}

@keyframes bounceArrow {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
  50% { transform: translateX(-50%) translateY(10px); opacity: 1; }
}

/* ===== Section Separator ===== */
.section-sep {
  display: none;
}

/* ===== Footer ===== */
.site-footer {
  text-align: center;
  padding: 40px 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}

.site-footer a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* ===== Bandwidth Comparison Demo ===== */
.bandwidth-demo {
  margin: 32px 0;
}

.bandwidth-tabs {
  margin-bottom: 16px;
}

.bw-overlay-label {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  z-index: 3;
}

.bw-slider-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 10px;
  margin-top: 8px;
}

.bw-slider-spacer {
  /* Empty spacer matching the left panel width */
}

.bw-slider-wrap {
  text-align: center;
}

.bw-slider-label {
  font-size: 11px;
  color: var(--color-text-secondary);
  display: block;
  margin-top: 4px;
}

.bw-slider {
  width: 100%;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  outline: none;
}

.bw-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
}

.bw-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: none;
}

.bw-slider-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--color-text-secondary);
  margin-top: 2px;
  padding: 0 2px;
}

/* ===== Video Carousel & 3-Panel Grid ===== */
.video-3panel {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  align-items: start;
}

.panel {
  text-align: center;
}

.panel-loading-wrap {
  position: relative;
  aspect-ratio: 1020 / 574;
  background: var(--color-card-bg);
  border-radius: 8px;
  overflow: hidden;
}

.panel-loader {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card-bg);
  z-index: 2;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.frame-loader {
  border-radius: 8px;
}

.video-category-label {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  z-index: 3;
  letter-spacing: 0.02em;
}

.video-caption {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  text-align: justify;
  margin-top: 6px;
  min-height: 2.4em;
}

.panel video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  display: block;
  background: var(--color-card-bg);
}

.panel-roi video {
  border: 2px solid #ff3b30;
}

.frame-slideshow {
  position: relative;
  width: 100%;
  aspect-ratio: 2040 / 1148;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-card-bg);
}

.slideshow-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease;
}

/* Frame slideshow controls */
.frame-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 2px;
}

.frame-arrow {
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: none;
  cursor: pointer;
  opacity: 0.5;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.frame-arrow:hover {
  opacity: 1;
}

.frame-dots {
  display: flex;
  gap: 6px;
}

.frame-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.frame-dot.active {
  background: var(--color-accent);
  transform: scale(1.3);
}

.panel-frames {
  aspect-ratio: 2040 / 1148;
}

/* ===== Carousel Controls ===== */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 4px;
}

.carousel-arrow {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: none;
  cursor: pointer;
  opacity: 0.6;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}

.carousel-arrow:hover {
  opacity: 1;
  background: rgba(128, 128, 128, 0.1);
}

.carousel-arrow svg {
  width: 18px;
  height: 18px;
}

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

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.carousel-dot.active {
  background: var(--color-accent);
  transform: scale(1.2);
}

/* ===== Video Carousel Wrapper ===== */
.video-carousel {
  margin-top: 24px;
}

.hero-carousel {
  margin-top: 16px;
  margin-bottom: 4px;
}

/* ===== Sensor-resolution plot (inside the first teaser panel) ===== */
.isocell-plot-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.plot-axis {
  stroke: var(--color-text-secondary);
  stroke-width: 1;
  opacity: 0.6;
}

.plot-tick line {
  stroke: var(--color-text-secondary);
  stroke-width: 1;
  opacity: 0.6;
}

.plot-tick text {
  font-size: 10px;
  fill: var(--color-text-secondary);
}

.plot-axis-label {
  font-size: 11px;
  fill: var(--color-text-secondary);
  font-weight: 500;
}

.plot-line-solid {
  stroke: #c5960c;
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: drawSolidLine 1.7s ease-out forwards;
}

@keyframes drawSolidLine {
  to { stroke-dashoffset: 0; }
}

.plot-line-dashed {
  stroke: #c5960c;
  opacity: 0;
  animation: fadeInLine 0.5s ease-out 1.7s forwards;
}

@keyframes fadeInLine {
  to { opacity: 1; }
}

.plot-point {
  opacity: 0;
  animation: fadeInPoint 0.4s ease-out var(--d, 0s) forwards;
}

.plot-point circle {
  fill: #c5960c;
}

.plot-point text {
  font-size: 8px;
  font-weight: 600;
  fill: var(--color-text);
}

.plot-point-prototype circle {
  fill: #c5960c;
  stroke: var(--color-text);
  stroke-width: 0.8;
}

.plot-point-prototype text { font-size: 9px; }

.plot-callout {
  stroke: #c5960c;
  opacity: 0;
  animation: fadeInLine 0.5s ease-out 1.85s forwards;
}

@keyframes fadeInPoint {
  to { opacity: 1; }
}

.hero-teaser-wrap {
  margin-top: 40px;
  margin-bottom: 4px;
}

.hero-teaser {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: nowrap;
  width: 100%;
}

.teaser-panel {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  flex-grow: var(--panel-aspect);
  flex-shrink: 1;
  flex-basis: 0;
}

.teaser-isocell { --panel-aspect: 2.069; }   /* matches plot SVG viewBox 300/145 */
.teaser-global  { --panel-aspect: 1.778; }   /* 16 / 9 — matches foveated crop panel */
.teaser-crop    { --panel-aspect: 1.778; }   /* 16  / 9    */

/* Titles row sits ABOVE the teaser, mirroring the panel flex-grow weights so
   each subtitle lines up over its panel and the plot panel itself stays
   vertically aligned with the global + foveated panels (no title offset). */
/* Equation-style titles: phrases sized to content, operators centered exactly
   between consecutive phrases (equal gap on both sides). Sequential reveal. */
.hero-teaser-titles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 14px;
}

.tt-cell {
  flex: 0 0 auto;
  white-space: nowrap;
  text-align: center;
  color: #c5960c;
  font-weight: 600;
  font-size: clamp(15px, 1.35vw, 19px);   /* matches SIGGRAPH 2026 (.hero-venue) */
  line-height: 1.3;
}

.tt-op {
  flex: 0 0 auto;
  color: var(--color-text);
  font-weight: 700;
  font-size: 32px;
}

/* Sequential reveal: phrase1 → + → phrase2 → = → phrase3 */
.hero-teaser-titles > * {
  opacity: 0;
  animation: ttFadeIn 0.5s ease-out forwards;
}
.hero-teaser-titles > *:nth-child(1) { animation-delay: 0.2s; }
.hero-teaser-titles > *:nth-child(2) { animation-delay: 0.75s; }
.hero-teaser-titles > *:nth-child(3) { animation-delay: 1.3s; }
.hero-teaser-titles > *:nth-child(4) { animation-delay: 1.85s; }
.hero-teaser-titles > *:nth-child(5) { animation-delay: 2.4s; }

@keyframes ttFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.teaser-img-wrap {
  position: relative;
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.04);
}

body.dark-mode .teaser-img-wrap {
  background: rgba(255, 255, 255, 0.04);
}

/* Sensor photo has transparent background — let it sit cleanly on any page bg. */
.teaser-isocell .teaser-img-wrap {
  background: transparent;
}

.teaser-isocell .teaser-img-wrap { aspect-ratio: 300 / 145; overflow: visible; }
.teaser-global  .teaser-img-wrap { aspect-ratio: 16 / 9; }
.teaser-crop    .teaser-img-wrap {
  aspect-ratio: 16 / 9;
  box-sizing: border-box;
  border: 2px solid #e51a1a;
  box-shadow: 0 0 12px rgba(229, 26, 26, 0.45);
}

.teaser-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.teaser-roi {
  position: absolute;
  border: 2px solid #e51a1a;
  pointer-events: none;
  box-shadow: 0 0 12px rgba(229, 26, 26, 0.45);
  transition: left 0.6s ease, top 0.6s ease, width 0.6s ease, height 0.6s ease;
}

.teaser-label {
  font-size: clamp(12px, 1.1vw, 16px);
  color: var(--color-text);
  text-align: center;
  letter-spacing: 0.02em;
}

.hero-teaser-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 14px;
}

.hero-teaser-credit {
  font-size: 10px;
  color: var(--color-text-secondary);
  opacity: 0.55;
  text-align: center;
  margin-top: 8px;
  letter-spacing: 0.02em;
}

.hero-teaser-blurb {
  font-size: 16px;
  line-height: 1.75;        /* matches .section-body */
  color: var(--color-text);
  text-align: left;
  margin: 12px 0 0;
}

.teaser-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(128, 128, 128, 0.4);
  cursor: pointer;
  padding: 0;
  transition: background 0.25s ease, transform 0.25s ease;
}

.teaser-dot:hover {
  background: rgba(128, 128, 128, 0.7);
}

.teaser-dot.active {
  background: #c5960c;
  transform: scale(1.2);
}

/* ===== Panel Labels ===== */
.panel .demo-label {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* ===== Results Section Tabs ===== */
.results-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  margin-bottom: 24px;
  color: var(--color-text);
}

.tab-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-btn {
  background: none;
  border: none;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-bottom-color var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ===== Dark Mode — Carousel & Tabs ===== */
body.dark-mode .carousel-arrow {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.7);
}

body.dark-mode .carousel-arrow:hover {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

body.dark-mode .frame-arrow {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.7);
}

body.dark-mode .frame-arrow:hover {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

body.dark-mode .tab-nav {
  border-bottom-color: var(--color-border);
}

/* ===== Method Video ===== */
.method-video {
  width: 100%;
  border-radius: 12px;
  display: block;
}

.pub-links a.btn-disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
  border-color: var(--color-text-secondary);
  color: var(--color-text-secondary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-inner {
    gap: 16px;
    padding: 10px 16px;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-inner::-webkit-scrollbar {
    display: none;
  }

  .nav-link {
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Hero stays a full-viewport box; the JS scales the fixed design canvas
     to fit, so no per-element mobile typography overrides are needed. */
  .hero {
    padding: 56px 12px;
  }

  .content-section {
    padding: 60px 16px;
  }

  .section-heading {
    font-size: 1.75rem;
  }

  .placeholder-block {
    padding: 40px 20px;
  }

  .scroll-arrow {
    bottom: 16px;
  }

  .demo-images {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .demo-label {
    font-size: 11px;
  }

  .video-3panel {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .tab-btn {
    font-size: 12px;
    padding: 10px 14px;
  }

  .tab-nav {
    gap: 0;
  }
}

/* ===== Multisensory Continual Learning Page ===== */
.paper-page h1,
.paper-page h2,
.paper-page h3 {
  font-family: var(--font-heading);
  letter-spacing: 0;
}

.paper-page .section-body strong,
.paper-page .method-intro strong,
.paper-page .method-points strong,
.paper-page .hero-provocation strong,
.paper-page .feature-copy strong,
.paper-page .feature-bullets strong,
.paper-page .why-copy strong {
  color: var(--paper-primary-dark);
}

body.dark-mode .paper-page .section-body strong,
body.dark-mode .paper-page .method-intro strong,
body.dark-mode .paper-page .method-points strong,
body.dark-mode .paper-page .hero-provocation strong,
body.dark-mode .paper-page .feature-copy strong,
body.dark-mode .paper-page .feature-bullets strong,
body.dark-mode .paper-page .why-copy strong {
  color: var(--paper-primary);
}

.paper-page .section-inner.narrow {
  max-width: 1100px;
}

.paper-hero {
  min-height: auto;
  padding-top: 86px;
  padding-bottom: 64px;
}

.paper-hero .hero-inner {
  margin: 0 auto;
}

.venue-label {
  color: var(--paper-primary-dark);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.paper-page .hero-title {
  font-size: clamp(1.9rem, 4.2vw, 4rem);
  max-width: 1480px;
  padding: 0;
  margin: 0 auto 18px;
  white-space: normal;
}

.paper-page .title-p1 {
  background: linear-gradient(135deg, #1a52c8, #d86613);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: block;
}

.paper-page .title-p2 {
  color: var(--color-text);
  display: block;
  font-size: clamp(1.05rem, 2.2vw, 2.1rem);
  font-weight: inherit;
  margin-top: 0.1em;
  white-space: normal;
}

.hero-intro-text {
  color: var(--color-text);
  font-size: clamp(17px, 1.5vw, 19px);
  font-weight: 400;
  line-height: 1.7;
  margin: 0 auto 22px;
  max-width: 100%;
  text-align: left;
}

.hero-intro-text p {
  margin: 0 0 14px;
}

.hero-we-find {
  font-weight: 600;
  margin-bottom: 6px !important;
}

.hero-find-list {
  margin: 0 0 14px 1.4em;
  padding: 0;
  list-style: disc;
}

.hero-find-list li {
  margin-bottom: 6px;
  line-height: 1.6;
}

.hero-provocation {
  background: #eef4f9;
  border: 1px solid rgba(115, 164, 198, 0.28);
  border-radius: 12px;
  color: var(--color-text);
  font-size: clamp(17px, 1.5vw, 19px);
  font-weight: 400;
  line-height: 1.7;
  margin: 0 auto 22px;
  max-width: 100%;
  padding: 1.4rem 1.75rem;
}

.hero-provocation p {
  color: var(--color-text);
  margin: 0;
  text-align: left;
}

body.dark-mode .hero-provocation {
  background: rgba(115, 164, 198, 0.07);
  border-color: rgba(115, 164, 198, 0.18);
}

.hero-provocation em {
  font-style: italic;
}

.hero-provocation strong {
  font-weight: 700;
}

.muse-gradient {
  background: linear-gradient(90deg, #1a52c8, #d86613);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}

body.dark-mode .hero-teaser-takeaways li::before {
  color: #7eb7ff;
}

.paper-page .hero-authors {
  margin-bottom: 18px;
  color: var(--color-text-secondary);
}

.hero-punch {
  max-width: 100%;
  margin: 0 auto 30px;
  color: var(--color-text);
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.42;
}

.hero-teaser-takeaways {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0 auto 30px;
  text-align: left;
}

.hero-teaser-takeaways li {
  background: #eef4f9;
  border: 1px solid rgba(115, 164, 198, 0.28);
  border-radius: 12px;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.6;
  padding: 1.2rem 1.4rem;
}

body.dark-mode .hero-teaser-takeaways li {
  background: rgba(115, 164, 198, 0.07);
  border-color: rgba(115, 164, 198, 0.18);
}

.hero-teaser-takeaways li::before {
  content: none;
}

@media (max-width: 768px) {
  .hero-teaser-takeaways {
    grid-template-columns: 1fr;
  }
}

.paper-figure {
  margin: 0;
}

.paper-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  background: #fff;
}

.paper-figure figcaption {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.55;
  margin-top: 10px;
  text-align: left;
}

.paper-figure figcaption strong {
  color: #333;
}

body.dark-mode .paper-figure figcaption {
  color: var(--color-text-secondary);
}

body.dark-mode .paper-figure figcaption strong {
  color: var(--color-text);
}

.hero-figure {
  margin: 0 auto 24px;
  max-width: 1160px;
}

.hero-figure img {
  background: #050505;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.anon-links {
  margin-top: 10px;
}

.method-heading {
  text-align: center;
}

.method-video-figure {
  margin-bottom: 32px;
}

.dataset-layout {
  display: grid;
  grid-template-columns: 1.9fr 1fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 32px;
}

.dataset-figure {
  margin: 0;
}

.dataset-caption {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  color: var(--color-text);
  margin: 0;
}

@media (max-width: 768px) {
  .dataset-layout {
    grid-template-columns: 1fr;
  }
}

.method-intro {
  margin: 0 0 28px;
}

.method-intro p {
  color: var(--color-text);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  margin: 0;
}

.method-bottom {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 32px;
  align-items: start;
}

.method-detail-figure {
  margin: 0;
}

.method-detail-figure img {
  width: 100%;
  display: block;
  border-radius: 6px;
  margin-left: auto;
}

.method-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

@media (max-width: 768px) {
  .method-bottom {
    grid-template-columns: 1fr;
  }
}

.metric-card,
.video-slot {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
}

.method-points li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  color: var(--color-text);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
}

.method-num {
  flex-shrink: 0;
  width: 2em;
  height: 2em;
  border-radius: 50%;
  background: var(--paper-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.85em;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15em;
}

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

.result-wide {
  grid-column: 1 / -1;
}

.metric-card {
  padding: 20px;
}

.metric-card-forward {
  background: linear-gradient(145deg, rgba(224, 115, 32, 0.1), var(--color-card-bg) 60%);
  border-color: rgba(192, 85, 21, 0.32);
  box-shadow: 0 8px 24px rgba(192, 85, 21, 0.08);
}

.metric-card-featured {
  background: linear-gradient(145deg, rgba(26, 82, 200, 0.1), var(--color-card-bg) 60%);
  border-color: rgba(26, 82, 200, 0.3);
  box-shadow: 0 8px 24px rgba(26, 82, 200, 0.09);
  position: relative;
}

.metric-card-featured .metric-value {
  color: var(--color-text);
  font-size: clamp(2.4rem, 4vw, 3.7rem);
}

.metric-value {
  display: block;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}

.metric-label {
  display: block;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: clamp(12px, 1.1vw, 14px);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.metric-card p {
  color: var(--color-text-secondary);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  margin-top: 10px;
}

#results .paper-figure figcaption {
  font-size: 0.95rem;
}

.compact-results {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  margin-top: 30px;
}

.ft-prediction-feature {
  align-items: start;
  border-top: none;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  margin-top: 16px;
  padding-top: 0;
}

.ft-prediction-feature .paper-figure video {
  width: 100%;
  display: block;
  border-radius: 6px;
}

.feature-bullets {
  color: var(--color-text);
  display: grid;
  gap: 10px;
  list-style-position: outside;
  margin: 8px 0 0 22px;
}

.feature-bullets li {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  padding-left: 2px;
}

.feature-kicker {
  color: #004996;
  font-size: clamp(16px, 1.65vw, 22px);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.1;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.feature-copy h3 {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.22;
  margin-bottom: 12px;
}

.feature-copy p:not(.rollout-kicker) {
  color: var(--color-text);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
}

.feature-bullets {
  color: var(--color-text);
}

.feature-copy p:not(.rollout-kicker):not(.feature-kicker) {
  margin-bottom: 12px;
}

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

.video-slot {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  border-style: dashed;
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 700;
}

.rollout-stack {
  display: grid;
  gap: 44px;
}

.rollout-intro {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.6;
  margin: -20px 0 32px;
  max-width: 760px;
}

.rollout-carousel {
  border-top: none;
  padding-top: 0;
}

#rollouts .section-inner {
  max-width: 860px;
}

/* Big section wrapper box */
.rollout-section-wrap {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 0;
}

.rollout-section-wrap + .rollout-section-wrap {
  margin-top: 48px;
}

.method-heading + .rollout-section-wrap {
  margin-top: 20px;
}

.section-stat-line {
  text-align: center;
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--color-text-secondary);
  margin: -16px 0 20px;
  font-style: italic;
}

.rollout-section-wrap + .method-heading {
  margin-top: 64px;
}

.rollout-header,
.rollout-task-head {
  padding: 1.2rem 1.4rem;
}

.rollout-section-wrap .rollout-header,
.rollout-section-wrap .rollout-task-head {
  background: transparent;
  border: none;
  border-radius: 0;
}

.rollout-section-wrap .rollout-header {
  background: transparent;
  border-bottom: 1px solid var(--color-border);
}

.rollout-section-wrap .rollout-task-head {
  border-bottom: 1px solid rgba(115, 164, 198, 0.16);
  margin-bottom: 12px;
  margin-left: -1.4rem;
  margin-right: -1.4rem;
  padding-left: 1.4rem;
  padding-right: 1.4rem;
}

.rollout-header {
  align-items: flex-start;
  border-radius: 12px 12px 0 0;
  border-bottom: none;
  display: flex;
  justify-content: space-between;
  margin-bottom: 0;
  gap: 16px;
}

.rollout-task-head {
  border-radius: 0 0 12px 12px;
  border-top: 1px solid rgba(115, 164, 198, 0.14);
  margin-bottom: 20px;
}

body.dark-mode .rollout-header,
body.dark-mode .rollout-task-head {
  background: rgba(115, 164, 198, 0.07);
  border-color: rgba(115, 164, 198, 0.18);
}

body.dark-mode .rollout-task-head {
  border-top-color: rgba(115, 164, 198, 0.10);
}

.task-head-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.task-head-name .task-head-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.task-head-name .rollout-controls {
  flex-shrink: 0;
}

.task-head-name strong {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  font-weight: 700;
  line-height: 1.22;
}

.rollout-kicker {
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.rollout-title {
  color: var(--color-text);
  font-size: clamp(1.25rem, 2.2vw, 1.85rem);
  line-height: 1.2;
}

.rollout-transfer-title {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 2.2vw, 2.1rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0;
}

.forward-transfer-title,
.backward-transfer-title {
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  color: var(--color-text);
}

.results-question-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 1.55vw, 1.3rem);
  font-weight: 400;
  line-height: 1.45;
  margin-bottom: 20px;
  color: var(--color-text);
}

.transfer-results-block {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
  margin-top: 24px;
}

.transfer-results-plot img {
  max-height: 280px;
  width: auto;
  max-width: 100%;
  display: block;
  margin: 0 auto;
}

.transfer-results-bullets ul {
  list-style: disc;
  padding-left: 22px;
  margin: 0;
}

.transfer-results-bullets li {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.65;
  margin-bottom: 14px;
}

.transfer-results-bullets li:last-child {
  margin-bottom: 0;
}

.transfer-results-plot {
  margin: 0;
}

@media (max-width: 900px) {
  .transfer-results-block {
    grid-template-columns: 1fr;
  }
}

.rollout-controls {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.rollout-arrow {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.rollout-arrow:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.rollout-arrow svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rollout-counter {
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 700;
  min-width: 42px;
  text-align: center;
}

.rollout-panel {
  display: none;
  margin-top: 0;
}

.rollout-panel.active {
  display: block;
  padding: 0 1.4rem 1.4rem;
}

.rollout-task-head h4 {
  display: none;
}

.speed-badge {
  align-self: center;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-secondary);
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
  padding: 7px 10px;
  white-space: nowrap;
}

.speed-badge.fast {
  background: rgba(198, 40, 40, 0.08);
  border-color: rgba(198, 40, 40, 0.34);
  color: #a81f1f;
}

.rollout-task-head p {
  color: var(--color-text-secondary);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  margin: 0;
}

.rollout-comparison {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0 20px;
}

.rollout-column {
  background: none;
  border: none;
  border-radius: 0;
  min-width: 0;
  padding: 12px 0;
}

.rollout-column h5 {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.07em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.rollout-column-heading {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 12px;
  min-height: 54px;
  padding-bottom: 4px;
}

.rollout-column-heading h5 {
  margin: 0;
}

.success-rate {
  color: var(--color-text-secondary);
  flex: 0 0 auto;
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
}

.method-rates {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  text-align: center;
  width: 100%;
}

.method-rates span {
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 800;
}

.method-rates strong {
  color: #c05515;
  display: inline;
  font-size: 15px;
  letter-spacing: 0.06em;
  margin-right: 5px;
  text-transform: uppercase;
}

.success-column h5 {
  color: #16803c;
}

.baseline-column {
  position: relative;
}

.baseline-column::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 0;
  bottom: 0;
  border-left: 1.5px dashed rgba(140, 140, 140, 0.35);
}

.baseline-column h5 {
  color: #c05515;
}

.dual-baseline .rollout-video-grid {
  position: relative;
}

.dual-baseline .rollout-video-grid::after {
  content: '';
  position: absolute;
  left: calc(50% - 1px);
  top: 0;
  bottom: 0;
  border-left: 1.5px dashed rgba(140, 140, 140, 0.28);
  pointer-events: none;
}

.dual-baseline .method-rates {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.dual-baseline .method-rates span:first-child {
  padding-right: 10px;
  border-right: 1.5px dashed rgba(140, 140, 140, 0.28);
}

.dual-baseline .method-rates span:last-child {
  padding-left: 10px;
}

.failure-column h5 {
  color: #c62828;
}

.rollout-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.rollout-summary {
  display: grid;
  gap: 8px;
  justify-items: start;
  list-style: none;
  margin: 18px auto 0;
  max-width: 680px;
  padding: 14px 14px 0;
  text-align: left;
}

.rollout-summary li {
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.45;
  max-width: 620px;
}

.rollout-summary li::before {
  display: inline-block;
  margin-right: 7px;
}

.success-summary li::before {
  content: "✅";
}

.failure-summary li::before {
  content: "❌";
}

.failure-summary li {
  color: #b71c1c;
}

.rollout-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  min-width: 0;
  overflow: hidden;
  position: relative;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.rollout-card:hover {
  border-color: var(--color-border);
  transform: translateY(-1px);
}

.rollout-spacer {
  pointer-events: none;
  visibility: hidden;
}

.rollout-card video,
.rollout-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #000;
  object-fit: cover;
}

.rollout-card p {
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.45;
  margin: 0;
  padding: 12px 14px 14px;
}

.success-mark,
.failure-mark {
  position: absolute;
  top: 8px;
  z-index: 2;
}

.success-mark,
.failure-mark {
  left: 8px;
}

.success-mark {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(22, 128, 60, 0.26);
  border-radius: 50%;
  display: flex;
  font-size: 16px;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.failure-card::after {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(190, 40, 30, 0.26);
  border-radius: 50%;
  content: "❌";
  display: flex;
  font-size: 15px;
  height: 30px;
  justify-content: center;
  position: absolute;
  right: 8px;
  top: 8px;
  width: 30px;
  z-index: 2;
}

.pick-place-layout .rollout-card p {
  min-height: 72px;
}

body.dark-mode .rollout-column {
  background: none;
}

body.dark-mode .rollout-section-wrap {
  background: transparent;
}

.rollout-section-wrap .transfer-results-block {
  border-top: 1px solid rgba(115, 164, 198, 0.2);
  padding: 1.4rem;
  margin-top: 0;
}

body.dark-mode .rollout-card {
  background: var(--color-bg-alt);
}

.paper-page .why-copy {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
}

.qa-block {
  margin-top: 36px;
}

.qa-block + .qa-block {
  border-top: 1px solid var(--color-border-light);
  padding-top: 36px;
}

.qa-question {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 14px;
}

.qa-answer {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  color: var(--color-text);
}

.qa-answer p {
  margin: 0 0 12px;
}

.qa-answer p:last-child {
  margin-bottom: 0;
}

.qa-answer-split {
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  gap: 28px;
  align-items: start;
}

.qa-video-figure {
  margin: 0;
}

/* Keep body copy at full contrast; titles and captions retain their styling. */
.paper-page .hero-authors,
.metric-card p,
.feature-copy p,
.feature-bullets,
.rollout-intro,
.rollout-counter,
.speed-badge,
.rollout-task-head p,
.success-rate,
.method-rates span,
.site-footer {
  color: var(--color-text);
}

body.dark-mode .paper-figure img {
  border: 1px solid var(--color-border);
}

body.dark-mode .hero-figure img {
  background: #050505;
}

@media (max-width: 900px) {
  .method-layout,
  .compact-results,
  .ft-prediction-feature {
    grid-template-columns: 1fr;
  }

  .result-grid,
  .video-placeholder-grid {
    grid-template-columns: 1fr;
  }

  .rollout-comparison {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .paper-hero {
    padding-top: 72px;
    padding-bottom: 44px;
  }

  .paper-page .hero-title {
    font-size: 2.4rem;
  }

  .hero-punch {
    font-size: 18px;
  }

  .paper-figure img {
    border-radius: 6px;
  }
}

/* ===== Speed Template Layer ===== */
.hero-title {
  padding: 60px 0 26px;
  margin-bottom: 2px;
  white-space: normal;
}

.title-p1 {
  display: block;
}

.title-p2-wrap {
  display: block;
  margin-top: 0.12em;
}

.title-p2 {
  display: inline-block;
}

.section-body a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.section-body a:hover {
  color: var(--color-accent);
}

#results-tabs {
  border-bottom: none;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  overflow-x: visible;
}

#results-tabs .tab-btn {
  border: 1px solid var(--color-text);
  border-radius: 980px;
  padding: 8px 18px;
  color: var(--color-text);
}

#results-tabs .tab-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

#results-tabs .tab-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.spd-subhead {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--color-text);
  margin: 44px 0 18px;
}

.spd-table-wrap {
  margin-top: 32px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.spd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--color-text);
  white-space: nowrap;
}

.spd-table th,
.spd-table td {
  padding: 7px 14px;
  text-align: center;
}

.spd-table tbody td:first-child,
.spd-table thead tr:first-child th:first-child {
  text-align: left;
}

.spd-table thead th {
  font-weight: 600;
  color: var(--color-text);
}

.spd-table thead tr:first-child th {
  border-top: 2px solid var(--color-text);
  border-bottom: 1px solid var(--color-text);
}

.spd-table thead tr:last-child th {
  border-bottom: 1px solid var(--color-text);
}

.spd-table tbody tr.tier td {
  border-top: 1px solid var(--color-border);
}

.spd-table tbody tr:last-child td {
  border-bottom: 2px solid var(--color-text);
}

.spd-table .ours td:first-child {
  font-weight: 700;
}

.tab-panel > details.spd-collapse:first-of-type > summary.spd-subhead {
  margin-top: 4px;
}

.spd-subsubhead {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 28px 0 12px;
}

.spd-subsubhead a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.spd-subsubhead a:hover {
  color: var(--color-accent);
}

details.spd-collapse {
  margin: 0;
}

details.spd-collapse > summary {
  cursor: pointer;
  list-style: none;
  user-select: none;
}

details.spd-collapse > summary::-webkit-details-marker {
  display: none;
}

details.spd-collapse > summary::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 7px solid currentColor;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  margin-right: 12px;
  vertical-align: middle;
  transition: transform .2s ease;
}

details.spd-collapse[open] > summary::before {
  transform: rotate(90deg);
}

.speed-template-body {
  margin-bottom: 28px;
}

.pub-links a[aria-disabled="true"] {
  cursor: default;
  pointer-events: none;
}

.template-result-panel .section-body {
  margin-bottom: 12px;
}

body:not(.dark-mode) .hero {
  background: var(--color-bg);
}

body.dark-mode .hero,
body.dark-mode .content-section,
body.dark-mode .content-section:nth-child(even) {
  background: #090d12;
}

@media (max-width: 768px) {
  .hero-title {
    white-space: normal;
    line-height: 1.2;
    padding: 40px 0 22px;
  }
}

/* Final scoped overrides for the anonymous paper page. */
.paper-page .hero-title {
  font-family: var(--font-heading);
  padding: 0;
  margin: 0 auto 18px;
  white-space: normal;
  line-height: 1.1;
  font-size: clamp(1.85rem, 3.6vw, 3.6rem);
  max-width: 1480px;
  letter-spacing: -0.02em;
}

.paper-page .hero-inner,
.paper-page .section-inner {
  margin-inline: auto;
  max-width: 1100px;
}

.paper-page .section-inner.narrow {
  max-width: 1100px;
}

.paper-page .content-section {
  padding-left: clamp(80px, 13vw, 180px);
  padding-right: clamp(80px, 13vw, 180px);
}

.paper-hero {
  padding-left: clamp(80px, 13vw, 180px);
  padding-right: clamp(80px, 13vw, 180px);
}

.paper-page .hero-authors {
  font-family: var(--font-heading);
  font-size: clamp(17px, 1.45vw, 19px);
  margin-bottom: 14px;
}

.hero-punch {
  max-width: 100%;
  font-size: clamp(18px, 1.7vw, 22px);
  margin-bottom: 24px;
}

.hero-figure {
  max-width: 100%;
  overflow: hidden;
  border-radius: 4px;
}

.hero-figure img {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 6px;
}

.paper-page .section-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 2.8vw, 2.6rem);
  letter-spacing: -0.01em;
}

.paper-page .section-body {
  font-size: 18px;
}

.method-layout {
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.compact-results {
  display: block;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

body.dark-mode .hero-figure img {
  background: #fff;
  border-color: var(--color-border);
}

body.dark-mode .rollout-arrow {
  background: var(--color-bg-alt);
}

.paper-page .content-section:nth-child(even) {
  background: var(--color-bg);
}

#rollouts .section-inner {
  max-width: 1480px;
}

.paper-page #rollouts.content-section {
  padding-left: clamp(80px, 13vw, 180px);
  padding-right: clamp(80px, 13vw, 180px);
}

body.dark-mode.paper-page .content-section:nth-child(even) {
  background: var(--color-bg);
}

@media (max-width: 768px) {
  .paper-page .hero-title {
    padding: 0;
    line-height: 1.1;
    font-size: 2.1rem;
  }

  .paper-page .content-section,
  .paper-hero {
    padding-left: 52px;
    padding-right: 52px;
  }

  .hero-punch {
    font-size: 18px;
  }

  .hero-provocation {
    font-size: 17px;
    margin-bottom: 14px;
    padding: 1rem 1.25rem;
  }

  .hero-teaser-takeaways li {
    padding: 0 0 0 4px;
  }

  .hero-figure img {
    padding: 6px;
  }

  .rollout-header,
  .rollout-task-head,
  .rollout-comparison {
    display: grid;
    grid-template-columns: 1fr;
  }

  .rollout-controls {
    justify-self: start;
  }

  .rollout-task-head h4 {
    min-width: 0;
  }

  .speed-badge {
    justify-self: start;
  }

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

  .rollout-spacer {
    display: none;
  }

  .rollout-card p {
    min-height: 0;
  }
}