/* Publications Page Styles */
.publications-grid {
  padding: var(--space-xl) 0;
}

.publications {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.publication-card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.publication-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.publication-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.publication-content {
  padding: var(--space-lg);
}

.publication-content h2 {
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

.publication-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.publication-features {
  margin: var(--space-md) 0;
  color: var(--color-text-secondary);
}

.publication-features li {
  margin-bottom: var(--space-xs);
  position: relative;
  padding-left: var(--space-md);
}

.publication-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
}

.price {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-light);
  margin-bottom: var(--space-md);
}

.publication-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
}

/* Download Page Styles */
.download-section {
  padding: var(--space-xl) 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.download-card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.download-card h2 {
  margin-bottom: var(--space-md);
}

.download-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin: var(--space-xl) 0;
}

.download-note {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 991px) {
  .publications {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .download-buttons {
    flex-direction: column;
  }
}

@media (max-width: 479px) {
  .publication-content {
    padding: var(--space-md);
  }
  
  .publication-image {
    height: 200px;
  }
  
  .download-card {
    padding: var(--space-lg);
  }
}