.archive-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  text-align: center;
  padding: 4rem 0;
}

.archive-header-content {
  max-width: 800px;
  margin: 0 auto;
}

.archive-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: var(--color-accent);
  color: white;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.archive-title {
  color: white;
  margin-bottom: 1rem;
}

.archive-description {
  font-size: 1.25rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
}

.archive-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.archive-trust-indicators {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9375rem;
}

.archive-filters {
  background: var(--color-background-light);
  border-bottom: 1px solid var(--color-border);
}

.filters-bar {
  text-align: center;
}

.filters-bar h3 {
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.filter-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  background: white;
  color: var(--color-text);
  font-weight: 600;
  border: 2px solid var(--color-border);
  transition: var(--transition);
  font-size: 0.9375rem;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.filter-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.card-category {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--color-background-light);
  color: var(--color-text-light);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.card-category.premium {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-accent);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.pagination .nav-links {
  display: flex;
  gap: 0.5rem;
}

.pagination .page-numbers {
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius);
  background: white;
  color: var(--color-text);
  border: 2px solid var(--color-border);
  transition: var(--transition);
  font-weight: 600;
}

.pagination .page-numbers:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination .page-numbers.current {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.no-results {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--color-background-light);
  border-radius: var(--border-radius-lg);
}

.no-results h2 {
  color: var(--color-text);
  margin-bottom: 1rem;
}

.no-results p {
  color: var(--color-text-light);
  font-size: 1.125rem;
}

.cta-box-centered,
.cta-box-alt {
  background: white;
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-box-alt {
  background: var(--color-background-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.benefit-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
}

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

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.benefit-card h3 {
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.benefit-card p {
  color: var(--color-text-light);
  line-height: 1.6;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.book-card {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.book-card-image {
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: var(--color-background-light);
  cursor: pointer;
}

.book-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.book-card-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.book-card-title {
  color: var(--color-text);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.book-card-description {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex: 1;
}

.book-source {
  margin-top: 1rem;
  font-size: 0.875rem;
  font-style: italic;
}

.book-source a {
  color: var(--color-primary);
  text-decoration: none;
  word-break: break-all;
}

.book-source a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .archive-header {
    padding: 3rem 0;
  }

  .archive-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .filter-buttons {
    flex-direction: column;
  }

  .filter-btn {
    width: 100%;
    text-align: center;
  }

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

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