:root {
  --bg-main: #04050a;
  --bg-panel: #0a0d1a;
  --bg-panel-alt: #101323;
  --bg-highlight: linear-gradient(135deg, rgba(73, 170, 255, 0.25), rgba(255, 79, 163, 0.18));
  --border-soft: rgba(94, 139, 255, 0.22);
  --text-primary: #f4f6ff;
  --text-secondary: #9da7c6;
  --text-muted: #69718a;
  --accent-primary: #47c8ff;
  --accent-secondary: #a658ff;
  --accent-tertiary: #ff4fa3;
  --shadow-soft: 0 24px 45px rgba(12, 19, 46, 0.4);
}

/* Gradient Animation Keyframes */
@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

html,
body {
  background: var(--bg-main);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  line-height: 1.7;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

a {
  color: var(--accent-primary);
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover {
  color: var(--accent-secondary);
  text-shadow: 0 0 12px rgba(71, 200, 255, 0.55);
}

section {
  padding: 4.5rem 1.5rem;
  position: relative;
  background: transparent;
}

.section-dark {
  background: radial-gradient(circle at top left, rgba(79, 107, 255, 0.16), transparent 45%),
              radial-gradient(circle at bottom right, rgba(255, 79, 163, 0.18), transparent 55%),
              var(--bg-main);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.section-alt {
  background: radial-gradient(circle at top, rgba(71, 200, 255, 0.12), transparent 60%),
              var(--bg-panel);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.section-heading {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  margin-bottom: 1.25rem;
}

.section-lead {
  color: var(--text-secondary);
  max-width: 760px;
}

.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.45) saturate(1.2);
  transform: scale(1.08);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(4, 5, 10, 0.95) 0%, rgba(4, 5, 10, 0.7) 35%, rgba(4, 5, 10, 0.65) 100%);
  backdrop-filter: blur(6px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 95%;
  padding: 6rem 0;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  flex-wrap: nowrap;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

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

.hero-title-static {
  color: var(--text-primary);
}

/* Gradient Text Styles */
.gradient-text-wrapper {
  position: relative;
  display: inline-block;
}

.gradient-text-content {
  font-weight: 700;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 300% 100%;
  animation: gradient-shift 6s linear infinite;
}

.hero-title-gradient {
  display: inline-flex;
  align-items: baseline;
}

.hero-title-gradient .gradient-text-content {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-shadow: none;
  filter: drop-shadow(0 0 20px rgba(71, 200, 255, 0.4))
          drop-shadow(0 0 40px rgba(166, 88, 255, 0.3));
}

.rotating-text,
.rotating-text-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: visible;
  vertical-align: baseline;
  min-height: 1em;
}

.rotating-text-layer,
.rotating-text-lines {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  white-space: nowrap;
}

.rotating-text-word {
  display: inline-flex;
  gap: 0.02em;
  position: relative;
  align-items: center;
}

.rotating-text-char {
  display: inline-block;
  position: relative;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-font-smoothing: antialiased;
}

.rotating-text-space {
  white-space: pre;
}

.rotating-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-tertiary);
  text-shadow: 0 0 18px rgba(255, 79, 163, 0.45);
  letter-spacing: 0.05em;
  min-height: 1.2em;
  overflow: visible !important;
  position: relative;
  flex-shrink: 0;
  transition: width 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.rotating-x .rotating-text-layer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.rotating-x .rotating-text-word {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.rotating-x .rotating-text-char {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  transform-origin: center center;
  display: inline-block;
  white-space: nowrap;
}

.hero-tagline {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 2rem;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta-button.button {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  padding: 0.85rem 1.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.cta-button.button.is-primary {
  background: linear-gradient(135deg, rgba(71, 200, 255, 0.85), rgba(166, 88, 255, 0.85));
  border: none;
  box-shadow: 0 12px 30px rgba(71, 200, 255, 0.4);
}

.cta-button.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(166, 88, 255, 0.38);
  background: linear-gradient(135deg, rgba(71, 200, 255, 0.95), rgba(255, 79, 163, 0.95));
}

.metadata-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1.5rem;
  color: var(--text-muted);
}

.metadata-item {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  font-size: 0.95rem;
}

.metadata-item .icon {
  color: var(--accent-secondary);
}

/* Hero Authors Section */
.hero-authors-section {
  margin-top: 3.5rem;
  padding: 0;
  background: transparent;
}

.hero-authors-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.15rem;
  line-height: 1.4;
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.hero-authors-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem 2rem;
}

.hero-author-item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
}

.hero-author-link {
  color: var(--text-primary);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
  padding-bottom: 2px;
}

.hero-author-link:hover {
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.hero-author-text {
  color: var(--text-primary);
  font-weight: 500;
}

.hero-author-marker {
  color: var(--accent-primary);
  font-size: 0.72em;
  margin-left: 0.12rem;
  font-weight: 800;
  opacity: 1;
}

.hero-author-separator {
  display: none;
}

.hero-affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2rem;
  justify-content: center;
  padding: 1.2rem 2rem;
  margin: 0 auto 1.8rem;
  align-self: center;
  background: rgba(71, 200, 255, 0.04);
  border-radius: 10px;
  border: none;
  width: fit-content;
  max-width: 100%;
}

.hero-affiliation-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.hero-affiliation-id {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  background: linear-gradient(135deg, rgba(71, 200, 255, 0.2), rgba(166, 88, 255, 0.2));
  border-radius: 6px;
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 0.8em;
  padding: 0 0.3rem;
}

.hero-affiliation-name {
  color: var(--text-primary);
  font-weight: 500;
}

.hero-affiliation-separator {
  display: none;
}

.hero-legends {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2.5rem;
  justify-content: center;
  font-size: 0.88rem;
  opacity: 0.85;
  padding: 0 1rem;
  max-width: 100%;
  margin: 0 auto;
  align-self: center;
}

.hero-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-legend-symbol {
  color: var(--accent-primary);
  font-weight: 800;
  font-size: 1.15em;
}

.hero-legend-text {
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-legend-separator {
  color: rgba(255, 255, 255, 0.15);
  margin: 0 0.3rem;
  font-weight: 300;
}

/* Authors Section */
.authors-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0;
  justify-content: center;
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.author-name-item {
  display: inline-flex;
  align-items: baseline;
  margin-right: 0.3rem;
}

.author-link {
  color: var(--text-primary);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
  position: relative;
}

.author-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: width 0.3s ease;
}

.author-link:hover {
  color: var(--accent-primary);
  text-shadow: 0 0 12px rgba(71, 200, 255, 0.4);
}

.author-link:hover::after {
  width: 100%;
}

.author-text {
  color: var(--text-primary);
  font-weight: 500;
}

.author-marker {
  color: var(--accent-secondary);
  font-size: 0.75em;
  margin-left: 0.15rem;
  font-weight: 600;
}

.author-separator {
  color: var(--text-secondary);
  margin-right: 0.3rem;
}

/* Affiliations */
.affiliations-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.8rem;
  justify-content: center;
  padding: 1.2rem 2rem;
  background: rgba(71, 200, 255, 0.05);
  border-radius: 16px;
  border: 1px solid rgba(71, 200, 255, 0.15);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.affiliation-item {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.affiliation-id {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.85em;
}

.affiliation-name {
  color: var(--text-primary);
  font-weight: 500;
}

/* Author Legends */
.author-legends {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2rem;
  justify-content: center;
  padding: 1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.legend-symbol {
  color: var(--accent-secondary);
  font-weight: 700;
  font-size: 1.1em;
  padding: 0.2rem 0.5rem;
  background: rgba(166, 88, 255, 0.1);
  border-radius: 6px;
  min-width: 24px;
  text-align: center;
}

.legend-description {
  color: var(--text-primary);
  font-weight: 500;
}

/* Acknowledgments */
.acknowledgments-section {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-panel);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.acknowledgments-title {
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-weight: 600;
}

.acknowledgments-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0;
  justify-content: flex-start;
  font-size: 1rem;
  line-height: 1.7;
}

.acknowledgment-item {
  display: inline-flex;
  align-items: baseline;
}

.acknowledgment-link {
  color: var(--accent-primary);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.acknowledgment-link:hover {
  color: var(--accent-secondary);
  text-shadow: 0 0 10px rgba(166, 88, 255, 0.4);
}

.acknowledgment-text {
  color: var(--text-secondary);
  font-weight: 500;
}

.acknowledgment-separator {
  color: var(--text-muted);
  margin-right: 0.3rem;
}

/* Acknowledgments: Paper cards grid */
.ack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.ack-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.1rem 1rem;
  border-radius: 16px;
  background: var(--bg-panel-alt);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(6, 9, 18, 0.45);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ack-card:hover {
  transform: translateY(-4px);
  border-color: rgba(71, 200, 255, 0.45);
  background: #101323;
}

.ack-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(71, 200, 255, 0.14);
  color: var(--accent-primary);
  font-size: 1.1rem;
}

.ack-card-title {
  color: var(--text-primary);
  font-weight: 600;
  text-align: center;
}

.ack-card-domain {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.ack-card-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
}

/* Legacy styles - kept for compatibility */
.authors-deck {
  display: grid;
  gap: 1.5rem;
}

.author-card {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.author-card:hover {
  transform: translateY(-4px);
  border-color: rgba(71, 200, 255, 0.45);
}

.author-role {
  color: var(--accent-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.affiliation-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(71, 200, 255, 0.12);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  color: var(--accent-primary);
  font-weight: 500;
  margin-right: 0.4rem;
  margin-top: 0.5rem;
}

.playground-panel {
  background: var(--bg-panel-alt);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.abstract-image-preview {
  background: transparent;
  border-radius: 0;
  border: none;
  padding: 0;
  box-shadow: none;
  cursor: zoom-in;
  text-align: center;
}

.abstract-image-preview img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-soft);
}

.abstract-image-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.abstract-image-overlay-inner {
  max-width: 90vw;
  max-height: 90vh;
  animation: abstract-zoom-in 220ms ease-out;
  position: relative;
}

.abstract-image-overlay-inner img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
}

.abstract-image-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(4, 5, 10, 0.8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background 0.15s ease, transform 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.abstract-image-close:hover {
  background: rgba(71, 200, 255, 0.2);
  color: var(--text-primary);
  border-color: rgba(71, 200, 255, 0.6);
  transform: translateY(-1px);
}

@keyframes abstract-zoom-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.playground-panel h3 {
  margin-bottom: 1.4rem;
}

.playground-input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  color: var(--text-primary);
  padding: 1rem 1.2rem;
  width: 100%;
  margin-bottom: 1rem;
  resize: none;
  min-height: 110px;
}

.playground-input:focus {
  border-color: rgba(71, 200, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(71, 200, 255, 0.2);
  outline: none;
}

.playground-console {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: 14px;
  background: rgba(71, 200, 255, 0.08);
  border: 1px solid rgba(71, 200, 255, 0.12);
  font-family: 'Space Grotesk', sans-serif;
}

.playground-console strong {
  color: var(--accent-primary);
}

.demo-preview {
  display: grid;
  place-items: center;
  border-radius: 20px;
  padding: 2rem;
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.04);
  min-height: 100%;
}

.demo-preview img {
  max-width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.pipeline-layout {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  align-items: stretch;
}

.pipeline-card {
  background: #0f0f15;
  border-radius: 26px;
  padding: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.pipeline-pill {
  align-self: flex-start;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #a6abbc;
}

.pipeline-card-title {
  font-size: clamp(1.45rem, 2vw, 1.9rem);
  margin-bottom: -0.6rem;
}

.pipeline-figure {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pipeline-figure-inner {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  background: #111018;
  border-radius: 26px;
  padding: 1.9rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(34, 31, 48, 0.8);
  position: relative;
}

.pipeline-figure-inner img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: #faf9ff;
}

@media (max-width: 768px) {
  .pipeline-card {
    padding: 1.8rem;
  }

  .pipeline-figure-inner {
    padding: 1.4rem;
  }
}

.keycontrib-card {
  margin-top: 2.6rem;
}

.keycontrib-layout {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.3fr);
  gap: 2.8rem;
  align-items: center;
}

.keycontrib-copy {
  max-width: 520px;
}

.keycontrib-copy p + p {
  margin-top: 0.8rem;
}

.keycontrib-figure {
  border-radius: 22px;
  overflow: hidden;
  background: #f5f6ff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
}

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

@media (max-width: 900px) {
  .keycontrib-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.8rem;
  }

  .keycontrib-figure {
    order: -1;
  }
}

.feature-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-card {
  background: var(--bg-panel-alt);
  border-radius: 18px;
  padding: 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 15px 30px rgba(4, 5, 10, 0.55);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 79, 163, 0.45);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: rgba(255, 79, 163, 0.12);
  color: var(--accent-tertiary);
  font-size: 1.45rem;
}

.gallery-tabs {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.gallery-tab {
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.gallery-tab.is-active {
  background: linear-gradient(135deg, rgba(71, 200, 255, 0.85), rgba(255, 79, 163, 0.85));
  color: var(--text-primary);
  border-color: transparent;
  box-shadow: 0 0 25px rgba(71, 200, 255, 0.35);
}

.gallery-grid {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.gallery-card {
  background: var(--bg-panel-alt);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
}

.gallery-card video,
.gallery-card img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.gallery-card-body {
  padding: 1.5rem;
}

.gallery-card-title {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.gallery-card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.methodology-card {
  background: var(--bg-panel-alt);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 1.9rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-soft);
}

.methodology-card .icon {
  color: var(--accent-secondary);
  font-size: 1.5rem;
}

.method-image {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.method-image img {
  display: block;
  width: 100%;
}

.metric-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-table thead {
  background: rgba(71, 200, 255, 0.08);
}

.metric-table th,
.metric-table td {
  padding: 1rem 1.2rem;
  text-align: left;
}

/* Ensure readable text on dark backgrounds */
.section-dark .metric-table th,
.section-dark .metric-table td {
  color: var(--text-primary);
}

.section-dark .metric-table thead th {
  color: var(--text-primary);
}

/* Compact variant and scroll wrapper for wide ablation table */
.metric-table--compact th,
.metric-table--compact td {
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
}

.results-table-scroll {
  overflow-x: auto;
}

/* Emphasis inside keycontrib copy remains bright */
.keycontrib-copy strong {
  color: var(--text-primary);
}

.metric-table tbody tr {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.metric-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.metric-highlight {
  color: var(--accent-primary);
  font-weight: 600;
}

/* EditingSection styles */
.model-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.viewer-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 0.75rem;
  box-shadow: var(--shadow-soft);
}

.viewer-label {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  background: rgba(5, 5, 8, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
}

.thumbs {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: 0.75rem;
}

.thumbs-nav {
  height: 40px;
  width: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.thumbs-strip {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.2rem;
  scroll-behavior: smooth;
  /* Firefox */
  scrollbar-width: thin;
  scrollbar-color: rgba(163, 150, 255, 0.55) rgba(255, 255, 255, 0.06);
}

/* WebKit (Chrome/Safari/Edge) custom scrollbar */
.thumbs-strip::-webkit-scrollbar {
  height: 10px;
}

.thumbs-strip::-webkit-scrollbar-track {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border-radius: 999px;
}

.thumbs-strip::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, rgba(163,150,255,0.65), rgba(71,200,255,0.6));
  border-radius: 999px;
  border: 2px solid rgba(5, 5, 8, 0.4);
}

.thumbs-strip::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, rgba(163,150,255,0.85), rgba(71,200,255,0.8));
}

.thumb-card {
  min-width: 180px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
  padding: 0.6rem;
  color: var(--text-primary);
}

.thumb-card.is-active {
  outline: 2px solid rgba(163, 150, 255, 0.6);
  outline-offset: 0;
}

.thumb-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}

.thumb-pair img {
  width: 100%;
  height: 70px;
  object-fit: cover;
  border-radius: 10px;
  background: #0b0b10;
}

.thumb-caption {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* MeshGen section */
.meshgen-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.meshgen-card {
  overflow: hidden;
}

@media (max-width: 1200px) {
  .meshgen-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .meshgen-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Ensure model-viewer sits below overlays */
.meshgen-card model-viewer {
  position: relative;
  z-index: 1;
}

/* Hide default progress bar for mesh-gen cards; we use our own overlay */
.meshgen-card model-viewer::part(default-progress-bar) {
  display: none;
}

/* Big overlay progress bar on top of model-viewer */
.mv-progress {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(180deg, rgba(5,5,8,0.75), rgba(5,5,8,0.55));
  transition: opacity 240ms ease;
  pointer-events: none;
  z-index: 2;
}

.mv-progress-track {
  width: clamp(140px, 60%, 420px);
  height: 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.3);
}

.mv-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(71,200,255,0.85), rgba(166,88,255,0.85));
  box-shadow: 0 0 12px rgba(120, 180, 255, 0.55);
}

.mv-progress-text {
  color: var(--text-primary);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.mv-explode {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(5, 5, 8, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 0.5rem 0.75rem;
  z-index: 3; /* above progress overlay and model-viewer */
  pointer-events: auto;
}

.mv-explode input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(71,200,255,0.85) 0 var(--explode-pct, 0%), rgba(255,255,255,0.14) var(--explode-pct, 0%) 100%);
  outline: none;
  pointer-events: auto;
  touch-action: none;
  cursor: pointer;
}

/* WebKit track (base) so the slider is visible even if gradient on input is ignored */
.mv-explode input[type="range"]::-webkit-slider-runnable-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
}

.mv-explode input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #47c8ff, #a658ff);
  border: 2px solid rgba(0, 0, 0, 0.4);
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  margin-top: -4px;
}

.mv-explode input[type="range"]::-moz-range-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
}

.mv-explode input[type="range"]::-moz-range-progress {
  height: 10px;
  border-radius: 999px;
  background: rgba(71,200,255,0.85);
}

.mv-explode-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .model-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

pre,
code {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.2rem;
  color: var(--accent-primary);
}

.footer {
  background: rgba(4, 5, 10, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 3rem 1.5rem;
}

.footer .icon-link {
  font-size: 24px;
  color: var(--text-secondary);
  margin: 0 0.75rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

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

.footer .content p {
  color: var(--text-secondary);
}

.navbar {
  background: rgba(4, 5, 10, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
}

.navbar-menu {
  background: transparent;
}

.navbar-item,
.navbar-link {
  color: var(--text-secondary) !important;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
}

.navbar-item:hover,
.navbar-link:hover {
  color: var(--accent-primary) !important;
  background: transparent !important;
}

.navbar-burger span {
  background: var(--text-primary);
}

.tag.is-tech {
  background: rgba(255, 79, 163, 0.14);
  color: var(--accent-tertiary);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
}

.two-column {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: stretch;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.badge strong {
  color: var(--accent-primary);
}

.stat-cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 2rem;
}

.stat-card {
  background: var(--bg-panel-alt);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.5rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.9rem;
}

.divider-line {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent, rgba(71, 200, 255, 0.45), transparent);
  margin: 3.5rem 0;
}

.icon-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(71, 200, 255, 0.12);
  color: var(--accent-primary);
}

.badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.muted {
  color: var(--text-secondary);
}

@media screen and (max-width: 768px) {
  .hero-section {
    min-height: 70vh;
  }

  .hero-content {
    padding: 4rem 0 3rem;
    max-width: 100%;
  }

  .hero-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    flex-wrap: nowrap;
    white-space: nowrap;
    gap: 0.2rem;
    letter-spacing: 0.03em;
    overflow-x: visible;
  }

  .rotating-x {
    letter-spacing: 0.03em;
  }

  .gradient-text-wrapper,
  .hero-title-gradient {
    flex-shrink: 0;
  }

  .cta-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .authors-deck {
    grid-template-columns: 1fr;
  }
}