.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4xl) 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #4facfe);
  background-size: 400% 400%;
  animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.hero-title-main {
  font-size: 7.5rem;
  font-weight: 700;
  color: var(--color-text-inverse);
  line-height: 1.0;
  letter-spacing: -0.02em;
}

.hero-title-sub {
  font-size: 2rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.3;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-2xl);
}

.hero-authors {
  margin: var(--spacing-3xl) 0;
  text-align: center;
}

.author-list {
  font-size: 1.2rem;
  line-height: 1;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.author-link {
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
  font-weight: 450;
  transition: all var(--transition-fast);
  position: relative;
  padding: 4px 6px;
  border-radius: 6px;
  display: inline-block;
  margin: 0 6px;
}

.author-link:hover {
  color: white;
  transform: translateY(-1px);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.affiliation-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.affiliation-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background-color: transparent;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.affiliation-link:hover {
  transform: translateY(-3px) scale(1.02);
}

.affiliation-logo {
  height: 60px;
  width: auto;
  display: block;
  transition: all var(--transition-base);
}

.affiliation-link:hover .affiliation-logo {
  filter: drop-shadow(0 8px 16px rgba(255, 255, 255, 0.3));
}

@media (max-width: 1024px) {
  .author-list {
    font-size: 1rem;
    line-height: 1.0;
  }
  
  .author-link {
    font-weight: 600;
    margin: 0 3px;
  }
  
  .affiliation-logos {
    gap: 0;
    margin-top: var(--spacing-lg);
  }
  
  .affiliation-link {
    padding: var(--spacing-xs);
  }
  
  .affiliation-logo {
    height: 35px;
  }
}

.hero-video-container {
  max-width: 700px;
  margin: var(--spacing-2xl) auto;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transition: transform var(--transition-slow);
  position: relative;
  cursor: pointer;
}

.hero-video-container:hover {
  transform: scale(1.02);
}

.hero-video {
  width: 100%;
  height: auto;
  display: block;
  transition: filter var(--transition-base);
}

.video-controls-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.hero-video-container:hover .video-controls-overlay {
  opacity: 1;
  pointer-events: all;
}

.video-play-btn {
  width: auto;
  height: auto;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  gap: var(--spacing-sm);
}

.video-play-btn::before {
  content: '🔊';
  font-size: var(--font-size-lg);
}

.video-play-btn::after {
  content: 'Play in Full Screen';
}

.video-play-btn:hover {
  transform: scale(1.1);
  background: white;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}

.video-play-btn svg {
  display: none;
}

.hero-video-container.fullscreen-mode {
  max-width: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10000;
  margin: 0;
  border-radius: 0;
  transform: none !important;
}

.hero-video-container.fullscreen-mode .hero-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background-color: #000;
}

.hero-cta {
  margin-top: var(--spacing-3xl);
}

@media (max-width: 1024px) {
  .hero {
    min-height: auto;
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  }
  
  .hero-title-main {
    font-size: 2.75rem;
  }
  
  .hero-title-sub {
    font-size: 1.25rem;
  }
  
  .hero-video-container {
    max-width: 100%;
  }
  
  .author-list {
    font-size: 1rem;
  }
  
  .video-play-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
  }
  
  .video-play-btn::after {
    content: 'Play Full Screen';
  }
}

.carousel-container {
  position: relative;
  width: 100%;
  max-width: 1400px;
  margin: var(--spacing-lg) auto;
  padding: 0 60px;
}

.carousel {
  position: relative;
}

.carousel-mask {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 0;
}

.carousel-track.no-transition {
  transition: none !important;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
  height: auto;
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  flex: 0 0 100%;
  height: auto; 
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0 var(--spacing-2xl);
}

.carousel-slide img {
  width: 100%;
  height: auto;       
  max-height: 500px;  
  object-fit: contain; 
  border-radius: 0; 
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 10;
  border: none;
  box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
  background-color: rgba(255, 255, 255, 1);
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.carousel-btn-prev {
  left: 0;
}

.carousel-btn-next {
  right: 0;
}

.carousel-btn svg {
  color: var(--color-text-primary);
}

@media (max-width: 1024px) {
.carousel-container {
  padding: 0; 
  margin: var(--spacing-md) auto;
}

.carousel-btn-prev {
  left: 4px;
}
.carousel-btn-next {
  right: 4px;
}

.carousel-track {
  height: auto !important;
  min-height: 0 !important;
}

.carousel-slide {
  height: auto !important;
  min-height: 0 !important;
  display: flex; 
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-sm);
}

.carousel-slide img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: contain;
}

.carousel-btn {
  width: 32px;
  height: 32px;
}
}

.highlights-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  margin: var(--spacing-lg) auto;
  margin-bottom: var(--spacing-3xl);
  max-width: 1400px;
  padding: 0 var(--spacing-2xl);
}

.highlights-inputs,
.highlights-output {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  max-width: 400px;
  margin: 0 auto;
}

.highlights-item {
  position: relative;
  cursor: pointer;
  border-radius: 0;
  overflow: hidden;
  transition: all var(--transition-base);
  opacity: 0.3;
  border: 3px solid transparent;
}

.highlights-item.selected {
  opacity: 1;
}

@media (hover: hover) {
  .highlights-item:hover {
    transform: scale(1.08);
  }
}

.highlights-item:nth-child(3) {
  grid-column: 1 / -1;
  max-width: 200px;
  margin: 0 auto;
  width: 100%;
}

.highlights-image-wrapper {
  position: relative;
  width: 100%;
  overflow: visible;
  background-color: var(--color-background-secondary);
}

.highlights-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
}

.highlights-line {
  display: block;
  width: 2px;
  height: 100%;
  margin: 0 auto;
  background-image: linear-gradient(to bottom, #000 50%, transparent 50%);
  background-size: 2px 17px;
  background-repeat: repeat-y;
  background-position: center;
}

.highlights-output-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background-color: var(--color-background-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  min-height: 500px;
  height: 100%;
}

.highlights-output-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 0;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-slow);
}

.highlights-output-image.updating {
  opacity: 0.5;
  transform: scale(0.98);
}

.highlights-output-caption {
  font-family: 'Chalkboard', 'Comic Sans MS', cursive;
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  text-align: center;
  min-width: 400px;
  line-height: var(--line-height-relaxed);
  white-space: nowrap;
}

@media (max-width: 1024px) {
  .highlights-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-lg);
    margin: var(--spacing-md) auto;
    margin-bottom: var(--spacing-2xl);
  }
  
  .highlights-line {
    width: 100%;
    height: 2px;
    background-image: linear-gradient(to right, #000 50%, transparent 50%);
    background-size: 17px 2.5px;
    background-repeat: repeat-x;
  }
  
  .highlights-item:nth-child(3) {
    max-width: 100%;
    grid-column: auto;
  }
  
  .highlights-grid {
    max-width: 100%;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xs);
  }
  
  .highlights-output-image {
    max-width: 100%;
  }
  
  .highlights-output-caption {
    font-size: var(--font-size-sm);
    white-space: normal;
    min-width: auto;
  }
}

@media (max-width: 768px) {
  .highlights-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xs);
  }
  
  .highlights-item:nth-child(3) {
    grid-column: auto;
    max-width: 100%;
  }
}

.applications-buttons {
  display: inline-flex;
  position: relative;
  background-color: #f1f1f1;
  padding: 4px;
  border-radius: 999px;
  gap: 0;
  margin: 0 auto var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  max-width: 100%;
  flex-wrap: nowrap;
  z-index: 1;
}

.application-btn-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #1d1d1f;
  border-radius: 999px;
  width: 0;
  height: 0;
  opacity: 0; 
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 1;
  pointer-events: none;
}

.application-btn {
  position: relative;
  z-index: 2;
  padding: 10px 24px;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: transparent !important; 
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease;
  white-space: nowrap;
  box-shadow: none;
}

.application-btn:hover {
  color: #000;
}

.application-btn.active {
  color: white;
}

.application-btn:active {
  transform: none;
}

#carousel-applications .carousel-btn {
  display: none !important;
}

.quantitative-buttons {
  display: inline-flex;
  position: relative;
  background-color: #f1f1f1;
  padding: 4px;
  border-radius: 999px;
  gap: 0;
  margin: 0 auto var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  max-width: 100%;
  flex-wrap: nowrap;
  z-index: 1;
}

.quantitative-btn-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #1d1d1f;
  border-radius: 999px;
  width: 0;
  height: 0;
  opacity: 0; 
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 1;
  pointer-events: none;
}

.quantitative-btn {
  position: relative;
  z-index: 2;
  padding: 10px 24px;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: transparent !important; 
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease;
  outline: none;
  white-space: nowrap;
}

.quantitative-btn:hover {
  color: #000;
}

.quantitative-btn.active {
  color: white;
}

.quantitative-btn:active {
  transform: none;
}

#carousel-quantitative .carousel-btn {
  display: none !important;
}

.embedding-buttons {
  display: inline-flex;
  position: relative;
  background-color: #ffffff;
  padding: 4px;
  border-radius: 999px;
  gap: 0;
  margin: 0 auto var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  max-width: 100%;
  flex-wrap: nowrap;
  z-index: 1;
}

.embedding-btn-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #1d1d1f;
  border-radius: 999px;
  width: 0;
  height: 0;
  opacity: 0; 
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 1;
  pointer-events: none;
}

.embedding-btn {
  position: relative;
  z-index: 2;
  padding: 10px 24px;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: transparent !important; 
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease;
  outline: none;
  white-space: nowrap;
}

.embedding-btn:hover {
  color: #000;
}

.embedding-btn.active {
  color: white;
}

.embedding-btn:active {
  transform: none;
}

#carousel-embeddings .carousel-btn {
  display: none !important;
}

.retrieval-buttons {
  display: inline-flex;
  position: relative;
  background-color: #ffffff;
  padding: 4px;
  border-radius: 999px;
  gap: 0;
  margin: 0 auto var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  max-width: 100%;
  flex-wrap: nowrap;
  z-index: 1;
}

.retrieval-btn-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #1d1d1f;
  border-radius: 999px;
  width: 0;
  height: 0;
  opacity: 0; 
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 1;
  pointer-events: none;
}

.retrieval-btn {
  position: relative;
  z-index: 2;
  padding: 10px 24px;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: transparent !important; 
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease;
  outline: none;
  white-space: nowrap;
}

.retrieval-btn:hover {
  color: #000;
}

.retrieval-btn.active {
  color: white;
}

.retrieval-btn:active {
  transform: none;
}

#carousel-retrieval .carousel-btn {
  display: none !important;
}

@media (max-width: 1024px) {
  .applications-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    left: 0;
    transform: none;
    border-radius: 24px; 
    background-color: #f1f1f1; 
    gap: 0;
    padding: 6px;
    box-sizing: border-box;
  }

  .application-btn-backdrop {
    border-radius: 16px;
  }
  
  .application-btn {
    width: 100%;
    border-radius: 16px;
    padding: 14px 10px;
    font-size: var(--font-size-xs);
    white-space: normal; 
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
  }

  .quantitative-buttons {
    display: flex;
    width: 90%;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 24px;
    padding: 6px;
  }

  .quantitative-btn-backdrop {
    border-radius: 16px;
  }

  .quantitative-btn {
    width: 100%;
    border-radius: 16px;
    padding: 14px 10px;
    font-size: var(--font-size-sm);
    white-space: normal;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
  }

  .embedding-buttons {
    display: flex;
    width: 95%;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 24px;
    padding: 6px;
    flex-wrap: wrap;
  }

  .embedding-btn-backdrop {
    border-radius: 16px;
  }

  .embedding-btn {
    flex: 1 1 30%;
    min-width: 120px;
    border-radius: 16px;
    padding: 12px 8px;
    font-size: var(--font-size-xs);
    white-space: normal;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
  }

  .retrieval-buttons {
    display: flex;
    width: 95%;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 24px;
    padding: 6px;
  }

  .retrieval-btn-backdrop {
    border-radius: 16px;
  }

  .retrieval-btn {
    width: 100%;
    border-radius: 16px;
    padding: 12px 8px;
    font-size: var(--font-size-xs);
    white-space: normal;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
  }
}

.footer {
  background-color: var(--color-background-secondary);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.retrieval-left,
.retrieval-right {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: center;
}

.retrieval-query-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 0;
  text-align: center;
  width: 100%; 
}

.retrieval-query-image-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}

.retrieval-query-image {
  max-height: 350px;
  width: auto;
  max-width: 100%;
  height: auto;
  border-radius: 0;
  box-shadow: none; 
}

.retrieval-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: center;
  margin: 0 auto;
  max-width: 1000px;
  padding: 0;
}

.retrieval-line {
  display: block;
  width: 2px;
  height: 90%;
  margin: 0 auto;
  align-self: start;
  background-image: linear-gradient(to bottom, #000 50%, transparent 50%);
  background-size: 2px 17px;
  background-repeat: repeat-y;
  background-position: center;
}

@media (max-width: 1024px) {
  .highlights-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-lg);
    margin: var(--spacing-md) auto;
    margin-bottom: var(--spacing-2xl);
  }
  
  .highlights-line {
    width: 100%;
    height: 2px;
    background-image: linear-gradient(to right, #000 50%, transparent 50%);
    background-size: 17px 2.5px;
    background-repeat: repeat-x;
  }
  
  .retrieval-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: 0;
  }
  
  .retrieval-line {
    width: 90%;
    height: 2px;
    background-image: linear-gradient(to right, #000 50%, transparent 50%);
    background-size: 17px 2.5px;
    background-repeat: repeat-x;
  }
}