.blog-hero {
  padding: 160px 0 80px;
  background: var(--bg-primary);
  text-align: center;
  position: relative;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(79, 195, 247, 0.08), transparent);
  pointer-events: none;
}

.blog-hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.page-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 24px;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 300;
}

.blog-filters {
  padding: 40px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 80px;
  z-index: 100;
}

.filters-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.category-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-btn:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-gradient);
  border-color: var(--cyan-primary);
  color: #ffffff;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  min-width: 280px;
}

.search-box svg {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.search-box input::placeholder {
  color: var(--text-tertiary);
}

.blog-featured {
  padding: 80px 0;
  background: var(--bg-primary);
}

.featured-post {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 40px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.featured-post:hover {
  border-color: var(--border-accent);
}

.featured-image {
  position: relative;
  height: 360px;
  overflow: hidden;
}

.featured-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(79, 195, 247, 0.05) 100%);
  border-radius: var(--radius-lg);
}

.post-category {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 8px 16px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-md);
}

.featured-content {
  padding: 20px 0;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.meta-separator {
  width: 4px;
  height: 4px;
  background: var(--cyan-primary);
  border-radius: 50%;
}

.read-time {
  color: var(--cyan-dark);
  font-weight: 500;
}

.featured-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 20px;
}

.featured-excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
  font-weight: 300;
}

.blog-grid-section {
  padding: 80px 0 120px;
  background: var(--bg-secondary);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 60px;
}

.blog-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  overflow: hidden;
}

.blog-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card.hidden {
  display: none;
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.card-placeholder {
  width: 100%;
  height: 100%;
  transition: transform var(--transition-slow);
}

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

.card-content {
  padding: 28px;
}

.card-content .post-meta {
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 12px;
  transition: color var(--transition-base);
}

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

.card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  font-weight: 300;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan-dark);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: gap var(--transition-base);
}

.blog-card:hover .read-more {
  gap: 12px;
}

.read-more svg {
  transition: transform var(--transition-base);
}

.blog-card:hover .read-more svg {
  transform: translateX(4px);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 44px;
  height: 44px;
  padding: 0 16px;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
}

.pagination-btn:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.pagination-btn.active {
  background: var(--accent-gradient);
  border-color: var(--cyan-primary);
  color: #ffffff;
}

.pagination-next {
  padding: 0 24px;
}

.blog-newsletter {
  padding: 100px 0;
  background: var(--bg-primary);
}

.newsletter-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding: 60px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(255, 255, 255, 0.95) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
}

.newsletter-content {
  max-width: 500px;
}

.newsletter-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.newsletter-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

.newsletter-form {
  display: flex;
  gap: 16px;
  flex: 1;
  max-width: 450px;
}

.newsletter-form input {
  flex: 1;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-base);
}

.newsletter-form input:focus {
  border-color: var(--border-accent);
}

.newsletter-form input::placeholder {
  color: var(--text-tertiary);
}

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .featured-post {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .featured-image {
    height: 280px;
  }
  
  .blog-featured {
    padding: 60px 0;
  }
  
  .blog-grid-section {
    padding: 60px 0 100px;
  }
  
  .newsletter-card {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }
  
  .newsletter-form {
    max-width: 100%;
    width: 100%;
  }
  
  .blog-newsletter {
    padding: 80px 0;
  }
}

@media (max-width: 768px) {
  .blog-hero {
    padding: 120px 0 50px;
  }
  
  .page-title {
    font-size: 2rem;
    margin-bottom: 16px;
  }
  
  .page-subtitle {
    font-size: 1rem;
  }
  
  .blog-filters {
    padding: 24px 0;
    top: 60px;
  }
  
  .filters-wrapper {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  
  .category-filters {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .category-filters::-webkit-scrollbar {
    display: none;
  }
  
  .filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .search-box {
    min-width: auto;
    padding: 10px 16px;
  }
  
  .search-box input {
    font-size: 0.85rem;
  }
  
  .blog-featured {
    padding: 50px 0;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .blog-grid-section {
    padding: 50px 0 80px;
  }
  
  .featured-post {
    padding: 20px;
    gap: 28px;
  }
  
  .featured-image {
    height: 220px;
  }
  
  .featured-title {
    font-size: 1.4rem;
    margin-bottom: 14px;
  }
  
  .featured-excerpt {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }
  
  .featured-content {
    padding: 0;
  }
  
  .post-meta {
    margin-bottom: 14px;
    font-size: 0.8rem;
  }
  
  .card-image {
    height: 180px;
  }
  
  .card-content {
    padding: 20px;
  }
  
  .card-title {
    font-size: 1.15rem;
    margin-bottom: 10px;
  }
  
  .card-excerpt {
    font-size: 0.85rem;
    margin-bottom: 16px;
  }
  
  .pagination {
    gap: 8px;
    margin-top: 40px;
  }
  
  .pagination-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    font-size: 0.85rem;
  }
  
  .blog-newsletter {
    padding: 60px 0;
  }
  
  .newsletter-card {
    padding: 32px 20px;
    gap: 28px;
  }
  
  .newsletter-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
  }
  
  .newsletter-text {
    font-size: 0.95rem;
  }
  
  .newsletter-form {
    flex-direction: column;
    gap: 12px;
  }
  
  .newsletter-form input {
    padding: 14px 18px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .blog-hero {
    padding: 110px 0 40px;
  }
  
  .page-title {
    font-size: 1.6rem;
  }
  
  .page-subtitle {
    font-size: 0.95rem;
    line-height: 1.7;
  }
  
  .blog-filters {
    padding: 20px 0;
    top: 60px;
  }
  
  .category-filters {
    width: 100%;
    gap: 6px;
  }
  
  .filter-btn {
    padding: 8px 14px;
    font-size: 0.7rem;
  }
  
  .search-box {
    padding: 10px 14px;
    gap: 10px;
  }
  
  .blog-featured {
    padding: 40px 0;
  }
  
  .featured-post {
    padding: 16px;
    gap: 20px;
  }
  
  .featured-image {
    height: 180px;
  }
  
  .featured-title {
    font-size: 1.25rem;
  }
  
  .featured-excerpt {
    font-size: 0.9rem;
  }
  
  .post-category {
    padding: 6px 12px;
    font-size: 0.65rem;
    top: 12px;
    left: 12px;
  }
  
  .blog-grid-section {
    padding: 40px 0 60px;
  }
  
  .card-image {
    height: 160px;
  }
  
  .card-content {
    padding: 18px;
  }
  
  .card-title {
    font-size: 1.1rem;
  }
  
  .card-excerpt {
    font-size: 0.85rem;
    line-height: 1.6;
  }
  
  .read-more {
    font-size: 0.8rem;
  }
  
  .pagination {
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .pagination-btn {
    min-width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }
  
  .pagination-next {
    padding: 0 16px;
  }
  
  .newsletter-card {
    padding: 28px 18px;
  }
  
  .newsletter-title {
    font-size: 1.3rem;
  }
  
  .newsletter-text {
    font-size: 0.9rem;
  }
}