/* Modern Blog Page Styles */
.blog-section {
  padding: 5rem 0;
  background: var(--gray-50);
}

.blog-intro {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  margin-bottom: 3rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.blog-intro h2 {
  color: var(--primary-color);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-family: var(--font-secondary);
}

.blog-intro h3 {
  color: var(--gray-800);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 1rem 0;
  font-family: var(--font-secondary);
}

.blog-intro p {
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.blog-intro ul {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.blog-intro li {
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: 0.8rem;
}

.blog-intro strong {
  color: var(--primary-color);
  font-weight: 600;
}

.blog-filters {
  margin-bottom: 3rem;
}

.search-container {
  margin-bottom: 2rem;
  text-align: center;
}

.search-input {
  width: 100%;
  max-width: 500px;
  padding: 1rem 1.5rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  font-size: 1rem;
  transition: var(--transition-fast);
  background: var(--white);
  font-family: var(--font-primary);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.category-filters {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  background: var(--white);
  color: var(--gray-600);
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-fast);
  font-weight: 500;
  font-family: var(--font-primary);
}

.filter-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-1px);
}

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

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: unset;
  max-width: 370px;
  background: var(--white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--gray-100);
  position: relative;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

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

.blog-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  height: auto;
  object-fit: cover;
  border-top-left-radius: 1.5rem;
  border-top-right-radius: 1.5rem;
  transition: var(--transition-normal);
}

.blog-card:hover .blog-card-image {
  transform: scale(1.05);
}

.blog-card-title, .blog-card-content h3 {
  text-decoration: none !important;
  border-bottom: none !important;
}

.blog-card-content {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
}

.blog-card-category {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  font-family: var(--font-primary);
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--gray-800);
  margin-bottom: 1rem;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--primary-color);
}

.blog-card-excerpt {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-family: var(--font-primary);
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--gray-500);
  font-family: var(--font-primary);
}

.blog-card-date {
  font-weight: 500;
}

.blog-card-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.blog-card-tag {
  background: var(--gray-100);
  color: var(--gray-600);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
}

/* Loading State */
.loading-state {
  text-align: center;
  padding: 3rem;
  color: var(--gray-600);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-600);
}

.empty-state h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--gray-800);
  margin-bottom: 1rem;
  font-weight: 600;
}

.empty-state p {
  font-size: 1.1rem;
  margin-bottom: 0;
  font-family: var(--font-primary);
}

/* Blog Detail Page Styles */
.blog-detail {
  padding: 5rem 0;
  background: var(--white);
}

.blog-detail-header {
  text-align: center;
  margin-bottom: 3rem;
}

.blog-detail-category {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-family: var(--font-primary);
}

.blog-detail-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--gray-800);
  margin-bottom: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
}

.blog-detail-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  font-size: 1rem;
  color: var(--gray-500);
  font-family: var(--font-primary);
}

.blog-detail-image {
  width: 100%;
  max-width: 800px;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  margin: 2rem auto;
  display: block;
  box-shadow: var(--shadow-lg);
}

.blog-detail-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
  font-family: var(--font-primary);
}

.blog-detail-content h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--gray-800);
  margin: 2rem 0 1rem 0;
  font-weight: 600;
}

.blog-detail-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--gray-700);
  margin: 1.5rem 0 1rem 0;
  font-weight: 600;
}

.blog-detail-content p {
  margin-bottom: 1.5rem;
  color: var(--gray-700);
}

.blog-detail-content ul,
.blog-detail-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.blog-detail-content li {
  margin-bottom: 0.5rem;
  color: var(--gray-700);
}

.blog-detail-content blockquote {
  background: var(--gray-50);
  border-left: 4px solid var(--primary-color);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: var(--radius-lg);
  font-style: italic;
  color: var(--gray-700);
}

.blog-detail-tags {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
}

.blog-detail-tag {
  background: var(--gray-100);
  color: var(--gray-600);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-fast);
}

.blog-detail-tag:hover {
  background: var(--primary-color);
  color: var(--white);
}

.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-color);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  margin-top: 2rem;
  transition: var(--transition-fast);
  font-family: var(--font-primary);
}

.back-to-blog:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.back-to-blog::before {
  content: '←';
  font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }
  
  .category-filters {
    gap: 0.75rem;
  }
  
  .blog-detail-title {
    font-size: 2rem;
  }
  
  .blog-detail-meta {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 600px) {
  .blog-section {
    padding: 3rem 0;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .category-filters {
    gap: 0.5rem;
  }
  
  .filter-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
  
  .blog-card-content {
    padding: 1.25rem;
  }
  
  .blog-card-title {
    font-size: 1.1rem;
  }
  
  .blog-detail {
    padding: 3rem 0;
  }
  
  .blog-detail-title {
    font-size: 1.8rem;
  }
  
  .blog-detail-image {
    height: 250px;
  }
  
  .blog-detail-content {
    padding: 0 1rem;
  }
  
  .blog-detail-content h2 {
    font-size: 1.5rem;
  }
  
  .blog-detail-content h3 {
    font-size: 1.2rem;
  }
}