.highlights-block,
.methodology-block,
.comparison-block,
.interpretability-block {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.highlights-block,
.methodology-block,
.comparison-block,
.interpretability-block {
  margin-bottom: var(--spacing-4xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border);
}

.highlights-block:last-child,
.methodology-block:last-child,
.comparison-block:last-child,
.interpretability-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.comparison-subtitle,
.interpretability-subtitle {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-primary);
}

.highlights-description,
.methodology-description,
.comparison-description,
.interpretability-description {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 1400px;
  margin: var(--spacing-md) auto var(--spacing-2xl);
  padding: 0 var(--spacing-2xl);
}

.highlights-description.footnote,
.comparison-description.footnote,
.interpretability-description.footnote {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-style: italic;
  margin-top: var(--spacing-lg);
}

@media (max-width: 768px) {  
  .comparison-subtitle,
  .interpretability-subtitle {
    font-size: var(--font-size-xl);
  }
  
  .highlights-description,
  .methodology-description,
  .comparison-description,
  .interpretability-description {
    font-size: var(--font-size-sm);
    padding: 0 var(--spacing-lg);
  }
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: var(--spacing-2xl) auto;
  padding: 0 var(--spacing-2xl);
}

.methodology-card {
  background: var(--color-background-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid var(--color-border);
  outline: none;
}

.methodology-card:focus {
  outline: none;
}

.methodology-card:focus-visible {
  outline: none;
  box-shadow: var(--shadow-xl);
}

.methodology-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.methodology-card-preview {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.methodology-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-align: center;
  line-height: var(--line-height-tight);
}

.methodology-card-image {
  width: 100%;
  overflow: hidden;
}

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

.methodology-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.methodology-modal.active {
  display: flex;
}

.methodology-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease-out;
}

.methodology-modal-content {
  position: relative;
  background: var(--color-background-primary);
  border-radius: var(--radius-2xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  animation: slideUp 0.4s ease-out;
  z-index: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-3xl) var(--spacing-3xl) 0 var(--spacing-3xl);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.methodology-modal-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  line-height: var(--line-height-tight);
}

.methodology-modal-image {
  width: 100%;
  border-radius: 0;
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
  flex-shrink: 0;
}

.methodology-modal-image img {
  width: 100%;
  height: auto;
  display: block;
}

.methodology-modal-description {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  text-align: left;
  flex-shrink: 0;
}

.methodology-modal-footnote {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-align: center;
  margin-top: auto; 
  padding-top: 0;
  padding-bottom: var(--spacing-md);
  margin-bottom: 0;
  font-style: italic;
  opacity: 0.7;
}

@media (max-width: 768px) {
  .methodology-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
  }
  
  .methodology-card-title {
    font-size: var(--font-size-lg);
  }
  
  .methodology-modal {
    padding: var(--spacing-md);
  }
  
  .methodology-modal-content {
    padding: var(--spacing-xl);
    max-height: 85vh;
  }
  
  .methodology-modal-title {
    font-size: var(--font-size-xl);
  }
  
  .methodology-modal-description {
    font-size: var(--font-size-base);
  }
}

.methodology-cta {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

.methodology-block {
  margin-bottom: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--color-border);
}

.methodology-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}