:root {
  --ff-indigo: #667eea;
  --ff-violet: #764ba2;
  --ff-green: #30d158;
  --ff-orange: #ff9f0a;
  --ff-red: #ef4444;
  --ff-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --ff-gradient-soft: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  --glass-light: rgba(251, 251, 253, 0.92);
  --border: rgba(0, 0, 0, 0.08);
  --border-soft: rgba(0, 0, 0, 0.06);
  --border-dark: rgba(255, 255, 255, 0.1);
  --shadow-card: 0 2px 20px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.08);
  --shadow-pop: 0 4px 30px rgba(0, 0, 0, 0.08);
  --shadow-modal: 0 10px 50px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
  --radius-sm: 10px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 980px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--apple-black);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

.container-wide {
  max-width: var(--max-width-wide);
}

.is-max-desktop {
  max-width: var(--max-width) !important;
}

.columns {
  margin-left: 0;
  margin-right: 0;
}

.column {
  min-width: 0;
}

.content {
  text-align: left;
}

.content p,
.content li {
  color: #424245;
  font-size: 17px;
  line-height: 1.6;
}

.content strong {
  color: var(--apple-black);
  font-weight: 600;
}

.title {
  color: var(--apple-black);
  letter-spacing: 0;
}

.title.is-4,
.title.is-5 {
  font-weight: 600;
}

.framefusion {
  color: var(--apple-blue);
  font-weight: 600;
}

/* Global navigation */

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 100px 24px 80px;
  overflow: hidden;
  text-align: center;
  background: linear-gradient(180deg, #fff 0%, var(--apple-light-gray) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 47%, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.84) 29%, rgba(255, 255, 255, 0.34) 50%, rgba(255, 255, 255, 0) 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(245, 245, 247, 0.18) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  right: 8%;
  bottom: 0;
  left: 8%;
  z-index: 1;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.08), transparent);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 980px);
}

.hero-kicker,
.section-eyebrow {
  margin: 0 0 8px;
  color: var(--apple-blue);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0 0 16px;
  font-size: 88px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-title span,
.stat-value,
.text-gradient {
  background: var(--ff-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  max-width: 680px;
  margin: 0 auto 40px;
  color: var(--apple-gray);
  font-size: 26px;
  font-weight: 400;
  line-height: 1.38;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 56px;
  margin-bottom: 42px;
}

.stat-item {
  min-width: 132px;
  text-align: center;
}

.stat-value {
  font-size: 56px;
  font-weight: 650;
  line-height: 1.05;
  letter-spacing: 0;
}

.stat-label {
  margin-top: 6px;
  color: var(--apple-gray);
  font-size: 14px;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-bottom: 0;
}

.hero-actions,
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.hero-badges {
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 16px 32px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.button:hover {
  transform: scale(1.02);
}

.button.is-primary {
  background: var(--apple-blue);
  color: #fff;
}

.button.is-primary:hover {
  background: var(--apple-blue-hover);
  color: #fff;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 16px 32px;
  border: 1px solid var(--apple-blue);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--apple-blue);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.2;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.hero-badge:hover {
  background: var(--apple-blue);
  color: #fff;
  transform: scale(1.02);
}

.figure-caption,
.caption {
  max-width: 820px;
  margin: 14px auto 0;
  color: var(--apple-gray);
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}

/* Sections */
.section {
  padding: var(--section-padding);
  background: #fff;
}

.section-header {
  max-width: 720px;
  margin-bottom: 44px;
}

.section-header.centered,
.section-header.section-header-centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-header.centered .section-subtitle,
.section-header.section-header-centered .section-subtitle {
  margin-right: auto;
  margin-left: auto;
}

.section-title {
  margin: 0 0 16px;
  color: var(--apple-black);
  font-size: 48px;
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: 0;
}

.section-subtitle {
  max-width: 720px;
  margin: 0;
  color: var(--apple-gray);
  font-size: 21px;
  line-height: 1.42;
}

.section-dark .section-title,
.section-dark .title,
.section-dark .content strong {
  color: #fff;
}

.section-dark .section-eyebrow {
  color: #0a84ff;
}

.section-dark .content p,
.section-dark .observation-text p,
.section-dark .observation-design p {
  color: rgba(255, 255, 255, 0.68);
}

.section-dark .framefusion {
  color: #0a84ff;
}

.section .columns.is-centered.has-text-centered {
  margin-bottom: 72px;
}

.section .column.is-four-fifths {
  max-width: 780px;
}

.method-figure {
  display: block;
  width: 100%;
  max-width: 880px;
  margin: 32px auto 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
}

.content h3.title {
  margin-top: 44px;
}

.content h4.title {
  margin-top: 28px;
}

/* Core idea */
.idea-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin: 48px 0;
}

.idea-card,
.stage-card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.idea-card:hover,
.stage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.idea-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: var(--radius-md);
  background: var(--apple-light-gray);
  color: var(--apple-black);
  font-size: 20px;
}

.idea-card.prune .idea-icon {
  background: rgba(239, 68, 68, 0.1);
  color: var(--ff-red);
}

.idea-card.merge .idea-icon {
  background: var(--ff-gradient-soft);
  color: var(--apple-blue);
}

.idea-card.keep .idea-icon {
  background: rgba(48, 209, 88, 0.12);
  color: #1f9f4a;
}

.idea-label {
  margin: 0 0 6px;
  color: var(--apple-gray);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.idea-card h3,
.stage-card h3 {
  margin: 0 0 10px;
  color: var(--apple-black);
  font-size: 21px;
  font-weight: 650;
  line-height: 1.25;
}

.idea-card p:last-child,
.stage-card p {
  margin: 0;
  color: #5f6066;
  font-size: 15px;
  line-height: 1.52;
}

.method-panel {
  padding: 24px;
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-pop);
}

.method-panel .method-figure {
  display: block;
  width: min(100%, 640px);
  margin-right: auto;
  margin-left: auto;
  margin-top: 0;
  box-shadow: none;
}

.method-panel .figure-caption {
  max-width: 640px;
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 48px;
}

.stage-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 28px;
  margin-bottom: 16px;
  border-radius: var(--radius-pill);
  background: var(--ff-gradient-soft);
  color: var(--apple-blue);
  font-size: 13px;
  font-weight: 700;
}

/* Examples carousel */
.examples-section {
  overflow: hidden;
}

.examples-body {
  position: relative;
}

.results-carousel {
  min-height: 430px;
  padding: 8px 46px 24px;
  overflow: hidden;
}

.results-carousel .item {
  height: 100%;
  padding: 0 16px;
}

.results-carousel .card {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1fr);
  align-items: stretch;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.results-carousel .card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.results-carousel .card-image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #f8f8fb;
}

.results-carousel .card-image figure {
  width: 100%;
  margin: 0;
}

.results-carousel .carousel-video {
  display: block;
  width: 100%;
  max-height: 340px;
  border-radius: var(--radius-lg);
  object-fit: contain;
  background: #000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.results-carousel .card-content {
  display: flex;
  align-items: center;
  padding: 28px !important;
}

.results-carousel .content {
  width: 100%;
}

.qa-section {
  width: 100%;
}

.question {
  margin: 0 0 30px !important;
  padding: 16px 18px !important;
  border-radius: var(--radius-md);
  background: var(--apple-light-gray);
  color: var(--apple-black);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
}

.question strong,
.answer strong {
  color: var(--apple-blue);
}

.answer-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.answer-box {
  position: relative;
  min-height: 148px;
  padding: 34px 16px 16px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: #fff;
  text-align: left;
}

.answer-label {
  position: absolute;
  top: 12px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--apple-light-gray);
  color: var(--apple-black);
  font-size: 12px;
  font-weight: 600;
}

.answer-box:nth-child(2) .answer-label {
  background: var(--ff-gradient-soft);
  color: #315e9d;
}

.answer {
  width: 100%;
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--apple-black);
  font-size: 16px;
  font-weight: 500;
}

.token-count {
  margin-top: 10px;
  color: var(--apple-gray);
  font-size: 14px;
  font-weight: 500;
}

.answer-loading {
  position: relative;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  padding: 16px;
  overflow: hidden;
  border: 1px dashed rgba(0, 113, 227, 0.24);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #fbfbfd 0%, #f5f5f7 100%);
}

.answer-loading::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 113, 227, 0.1), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.answer-loading .loading-spinner {
  width: 18px;
  height: 18px;
  margin-bottom: 8px;
  border: 2px solid rgba(0, 113, 227, 0.12);
  border-top-color: var(--apple-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.answer-loading .loading-text {
  color: var(--apple-gray);
  font-size: 13px;
  font-style: normal;
  line-height: 1.35;
  text-align: center;
}

.answer-loading .loading-time {
  display: none;
}

.answer-loading .loading-progress {
  width: 100%;
  height: 3px;
  margin-top: 10px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.08);
}

.answer-loading .loading-progress-bar {
  width: 0%;
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--ff-gradient);
}

.answer-content {
  position: relative;
  display: none;
  flex-direction: column;
  justify-content: center;
  min-height: 96px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.answer-content.loaded {
  opacity: 1;
  transform: translateY(0);
}

.answer-content.loaded::before {
  content: "";
  position: absolute;
  top: -6px;
  right: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ff-green);
  box-shadow: 0 0 0 4px rgba(48, 209, 88, 0.12);
}

.carousel-navigation-next,
.carousel-navigation-previous {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(29, 29, 31, 0.8);
  color: #fff;
  opacity: 1;
  z-index: 20;
  transition: background 0.2s ease, transform 0.2s ease;
}

.carousel-navigation-next:hover,
.carousel-navigation-previous:hover {
  background: var(--apple-blue);
  color: #fff;
  transform: scale(1.04);
}

/* Observations */
.equal-height-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.equal-height-columns > .column {
  display: flex;
  width: auto;
  padding: 0;
}

.observation-content {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100%;
  padding: 28px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.05);
  transition: background 0.3s ease, transform 0.3s ease;
}

.observation-content:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.observation-content .title {
  margin-bottom: 18px;
  color: #fff;
  font-size: 19px;
  line-height: 1.25;
}

.observation-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 174px;
  margin-bottom: 18px;
  padding: 14px;
  border-radius: var(--radius-lg);
  background: #fff;
}

.observation-image-container img {
  width: 100%;
  max-height: 170px;
  object-fit: contain;
}

.observation-text p,
.observation-design p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}

.observation-arrow {
  margin: 14px 0;
  color: #7dd3fc;
  text-align: center;
}

.observation-design {
  margin-top: auto;
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
}

/* Results */
.results-summary {
  margin: 32px 0;
  padding: 32px;
  border-radius: var(--radius-xl);
  background: var(--ff-gradient);
  color: #fff;
}

.summary-title {
  margin-bottom: 24px;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
}

.summary-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 48px;
}

.summary-stat {
  min-width: 160px;
  text-align: center;
}

.summary-value {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.1;
}

.summary-label {
  margin-top: 4px;
  font-size: 14px;
  opacity: 0.9;
}

.expandable-section {
  margin: 24px 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.4s var(--ease);
}

.expandable-section:hover {
  box-shadow: var(--shadow-card-hover);
}

.expandable-section.open {
  box-shadow: var(--shadow-card-hover);
}

.expandable-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 32px;
  cursor: pointer;
  transition: background 0.3s var(--ease);
}

.expandable-header::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  background: var(--ff-gradient);
  opacity: 0.14;
  transition: width 0.4s var(--ease), opacity 0.4s var(--ease);
}

.expandable-title {
  position: relative;
  z-index: 1;
  color: var(--apple-black);
  font-size: 17px;
  font-weight: 600;
  transition: transform 0.3s var(--ease);
}

.expandable-icon {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--apple-light-gray);
  color: var(--apple-black);
  font-size: 12px;
  transition: transform 0.4s var(--ease-spring), background 0.3s var(--ease), color 0.3s var(--ease);
}

.expandable-section.open .expandable-icon {
  background: var(--ff-gradient);
  color: #fff;
  transform: rotate(45deg);
}

.expandable-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.5s var(--ease);
}

.expandable-inner {
  padding: 0 32px 32px;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.4s var(--ease) 0.1s, transform 0.4s var(--ease) 0.1s;
}

.expandable-inner .content {
  margin: 0;
}

/* Video and chart blocks */
.video-container,
.runtime-chart-container,
.modern-table-wrapper,
.interpolation-panel {
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.video-container {
  overflow: hidden;
  background: #000;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.video-container:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.demo-video {
  display: block;
  width: 100%;
  height: auto;
}

.performance-section-header {
  margin: 64px 0 24px;
}

.expandable-inner .performance-section-header {
  margin-top: 0;
}

.performance-section-header .title,
.content > .title.is-4 {
  margin-bottom: 8px;
}

.performance-section-header p,
.content > p {
  color: var(--apple-gray);
}

.performance-controls,
.runtime-controls {
  margin-bottom: 24px;
}

.runtime-controls {
  padding: 0;
  background: transparent;
  border: 0;
}

.filters-wrapper {
  display: flex;
  align-items: end;
  gap: 18px;
  flex-wrap: wrap;
  padding: 20px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.filter-item {
  display: flex;
  flex: 1;
  min-width: 200px;
  flex-direction: column;
  gap: 8px;
}

.filter-item:last-child {
  flex: 0 0 auto;
}

.filter-label {
  color: var(--apple-gray);
  font-size: 13px;
  font-weight: 600;
}

.custom-select {
  position: relative;
  width: 100%;
}

.custom-select::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 14px;
  width: 0;
  height: 0;
  border-right: 5px solid transparent;
  border-left: 5px solid transparent;
  border-top: 5px solid var(--apple-gray);
  transform: translateY(-50%);
  pointer-events: none;
}

.custom-select select {
  width: 100%;
  min-height: 44px;
  padding: 10px 40px 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  appearance: none;
  -webkit-appearance: none;
  background: #fff;
  color: var(--apple-black);
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.custom-select select:hover,
.custom-select select:focus {
  border-color: var(--apple-blue);
}

.custom-select select:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.custom-select select:disabled {
  background: var(--apple-light-gray);
  color: var(--apple-gray);
  cursor: not-allowed;
}

.modern-table-wrapper {
  overflow: hidden;
  margin: 24px 0 64px;
}

.expandable-inner .modern-table-wrapper {
  margin-bottom: 0;
}

.table-container {
  overflow-x: auto;
}

.modern-table {
  width: 100%;
  min-width: 1040px;
  border-collapse: collapse;
  font-size: 14px;
}

.modern-table th {
  position: relative;
  padding: 16px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--apple-light-gray);
  color: var(--apple-black);
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.modern-table th:hover {
  background: #ececf0;
}

.modern-table th.benchmark-header.expanded {
  background: var(--ff-gradient-soft);
  color: #315e9d;
}

.modern-table th.benchmark-header.expanded .expand-icon {
  color: #315e9d;
}

.modern-table td {
  padding: 14px 12px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  color: #424245;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
}

.modern-table tbody tr:hover {
  background: #f8faff;
}

.modern-table .sticky-col,
.modern-table th.sticky-col,
.modern-table td.sticky-col {
  position: sticky;
  left: 0;
  z-index: 2;
  background: #fff;
  text-align: left;
  box-shadow: 1px 0 0 var(--border-soft);
}

.modern-table th.sticky-col {
  z-index: 3;
  background: var(--apple-light-gray);
}

.modern-table th.sticky-col:nth-child(2),
.modern-table td.sticky-col:nth-child(2) {
  left: 120px;
}

.modern-table th.sticky-col:nth-child(3),
.modern-table td.sticky-col:nth-child(3) {
  left: 184px;
}

.metric-cell {
  color: #424245;
}

.average-col,
.average-cell {
  background: rgba(102, 126, 234, 0.06) !important;
}

.method-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  background: var(--apple-light-gray);
  color: var(--apple-black);
  font-size: 12px;
  font-weight: 600;
}

.method-tag.framefusion {
  background: var(--ff-gradient-soft);
  color: #315e9d;
}

.method-tag.original {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--border);
}

.method-tag.streamingllm,
.method-tag.fastv,
.method-tag.prumerge {
  color: #5f6066;
}

.best-result {
  background: rgba(45, 212, 191, 0.08) !important;
}

.best-score {
  color: var(--apple-blue) !important;
  font-weight: 700 !important;
}

.expand-icon {
  margin-left: 6px;
  color: var(--apple-gray);
  font-size: 11px;
}

.sort-icon {
  display: inline-flex;
  flex-direction: column;
  margin-left: 4px;
  color: var(--apple-gray);
  font-size: 10px;
  line-height: 0.5;
  vertical-align: middle;
}

.sort-asc .fa-sort-up,
.sort-desc .fa-sort-down {
  color: var(--apple-blue) !important;
}

.performance-highlight {
  animation: highlight 0.6s ease-in-out;
}

@keyframes highlight {
  0% { background-color: rgba(255, 159, 10, 0.18); }
  100% { background-color: transparent; }
}

.table-loading {
  opacity: 0.6;
  pointer-events: none;
}

.runtime-chart-container {
  height: 460px;
  margin: 24px 0;
  padding: 24px;
}

.runtime-chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

.runtime-summary {
  margin-top: 24px;
}

.runtime-summary .notification {
  margin: 0;
  padding: 22px;
  border: 1px solid rgba(0, 113, 227, 0.12);
  border-radius: var(--radius-lg);
  background: #f5faff;
  color: var(--apple-black);
}

.speedup-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.speedup-stat {
  padding: 18px;
  border-radius: var(--radius-md);
  background: #fff;
  text-align: center;
}

.speedup-stat .value {
  color: var(--apple-blue);
  font-size: 28px;
  font-weight: 700;
}

.speedup-stat .label {
  margin-top: 4px;
  color: var(--apple-gray);
  font-size: 13px;
}

/* Interactive frame demo */
.interpolation-panel {
  align-items: center;
  margin-top: 32px;
  margin-bottom: 28px;
  padding: 28px;
}

.interpolation-panel .column {
  padding: 10px;
}

.interpolation-panel p {
  margin-top: 12px;
  color: var(--apple-gray);
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
}

.interpolation-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

#interpolation-image-wrapper {
  width: 100%;
  min-height: 170px;
  margin-bottom: 18px;
}

#interpolation-image-wrapper .columns {
  align-items: center;
}

.slider {
  margin: 0 !important;
}

input[type="range"].slider,
.slider.is-info {
  accent-color: var(--apple-blue);
}

/* BibTeX and footer */

/* Authors */
.authors-section {
  padding: 80px 0;
  text-align: center;
}

.affiliations {
  margin: 24px auto 0;
  color: var(--apple-gray);
  font-size: 14px;
  line-height: 1.8;
  text-align: center;
}

@media screen and (max-width: 1024px) {
  .idea-flow,
.stage-grid {
    grid-template-columns: 1fr;
  }

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

  .results-carousel .card-image {
    padding-bottom: 0;
  }

  .equal-height-columns {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 800px) {

  .hero {
    padding: 112px 18px 64px;
  }

  .hero-stats {
    gap: 26px;
  }

  .hero::before {
    background:
      radial-gradient(ellipse at 50% 45%, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.86) 38%, rgba(255, 255, 255, 0.36) 62%, rgba(255, 255, 255, 0) 84%),
      linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(245, 245, 247, 0.22) 100%);
  }

  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

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

  .results-carousel {
    padding: 4px 8px 20px;
  }

  .filters-wrapper {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-item,
.filter-item:last-child {
    width: 100%;
    min-width: 0;
  }

  .filter-item .button {
    width: 100%;
  }

  .runtime-chart-container {
    height: 360px;
    padding: 14px;
  }

  .interpolation-panel {
    padding: 18px;
  }
}

@media screen and (max-width: 560px) {

  .hero-title {
    font-size: 52px;
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 18px;
  }

  .hero-cta {
    width: 100%;
  }

  .hero-actions,
.hero-badges {
    width: 100%;
  }

  .hero-badge {
    width: 100%;
  }

  .section-title {
    font-size: 34px;
  }

  .modern-table-wrapper {
    margin-right: -24px;
    margin-left: -24px;
    border-radius: 0;
  }
}

/* Collapsed global navigation */

/* Keep project tiles consistent with the team hub. */