/* Blog Page Styles - Modern & Beautiful Design */

/* Featured Blog Section */
.featured-blog {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 4rem 0;
  margin-top: 2.5rem;
  position: relative;
  overflow: hidden;
}

.featured-blog::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.featured-content {
  color: white;
}

.post-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.post-category {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.post-category.ai {
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.post-date {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.featured-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.featured-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.post-meta-bottom {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.read-time {
  font-size: 1.2rem;
  opacity: 0.8;
}

.featured-content .btn {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.featured-content .btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Featured Image with AI Visual */
.featured-image {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-visual {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.neural-network-large {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.node {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  animation: pulse 2s infinite;
}

.node.large {
  width: 80px;
  height: 80px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 0s;
}

.node.medium {
  width: 60px;
  height: 60px;
  animation-delay: 0.5s;
}

.node.medium:nth-child(2) {
  top: 20%;
  left: 20%;
}

.node.medium:nth-child(4) {
  bottom: 20%;
  right: 20%;
}

.node.small {
  width: 40px;
  height: 40px;
  top: 20%;
  right: 20%;
  animation-delay: 1s;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

.featured-emoji {
  font-size: 3rem;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Blog Categories Section */
.blog-categories {
  padding: 3rem 0;
  background: #f8fafc;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.category-item {
  background: white;
  padding: 1.5rem;
  border-radius: 15px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.category-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s;
}

.category-item:hover::before {
  left: 100%;
}

.category-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: #667eea;
}

.category-item.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: #667eea;
}

.category-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 1rem;
}

.category-name {
  font-size: 1.1rem;
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.category-count {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.category-item.active .category-count {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* Blog Posts Section */
.blog-posts {
  padding: 3rem 0;
  background: white;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.blog-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.blog-image {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.blog-visual {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.automation-icon {
  font-size: 3rem;
  color: white;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

.blog-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.blog-content {
  padding: 2rem;
}

.blog-meta {
  margin-bottom: 1rem;
}

.blog-date {
  color: #6b7280;
  font-size: 0.9rem;
  font-weight: 500;
}

.blog-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
  line-height: 1.3;
}

.blog-content p {
  color: #6b7280;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.blog-link {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-link:hover {
  color: #764ba2;
  transform: translateX(5px);
}

/* Newsletter Section */
.newsletter {
  background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
  padding: 4rem 0;
  color: white;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  opacity: 0.5;
}

.newsletter-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
}

.newsletter-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.gradient-text {
  background: linear-gradient(135deg, #4c70a5 0%, #719bb2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.newsletter-text p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.subscribe-form {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.subscribe-form input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.subscribe-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.subscribe-form input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.subscribe-form .btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.subscribe-form .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* Responsive Design */
@media (max-width: 768px) {
  .featured-post {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .featured-content h2 {
    font-size: 2rem;
  }
  
  .featured-image {
    height: 300px;
  }
  
  .neural-network-large {
    width: 250px;
    height: 250px;
  }
  
  .categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .newsletter-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .newsletter-text h2 {
    font-size: 2rem;
  }
  
  .subscribe-form {
    flex-direction: column;
    align-items: stretch;
  }
  
  .subscribe-form .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .featured-blog {
    padding: 2rem 0;
  }
  
  .featured-content h2 {
    font-size: 1.8rem;
  }
  
  .categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  
  .category-item {
    padding: 1rem;
  }
  
  .blog-content {
    padding: 1.5rem;
  }
  
  .newsletter {
    padding: 2rem 0;
  }
  
  .newsletter-text h2 {
    font-size: 1.8rem;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

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

/* Blog Post Individual Page Styles */
.blog-post-hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  padding: 6rem 0 4rem 0;
  margin-top: 2.5rem;
  position: relative;
  overflow: hidden;
}

.blog-post-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%),
    linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  opacity: 0.8;
  animation: heroBackground 20s ease-in-out infinite;
}

.blog-post-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  opacity: 0.4;
  animation: heroDots 15s linear infinite;
}

@keyframes heroBackground {
  0%, 100% {
    transform: translateX(0) translateY(0) scale(1);
  }
  25% {
    transform: translateX(-5px) translateY(-10px) scale(1.05);
  }
  50% {
    transform: translateX(5px) translateY(5px) scale(0.95);
  }
  75% {
    transform: translateX(-3px) translateY(8px) scale(1.02);
  }
}

@keyframes heroDots {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(20px);
  }
}

.blog-post-header {
  position: relative;
  z-index: 2;
  color: white;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb a:hover {
  color: white;
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.6);
}

.post-meta-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.post-category.ai {
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.post-category.ai::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.post-category.ai:hover::before {
  left: 100%;
}

.post-category.ai:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.post-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.post-date {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.blog-post-header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
  background: linear-gradient(45deg, #ffffff, #f0f8ff, #e6f3ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
  0% {
    filter: brightness(1) drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
  }
  100% {
    filter: brightness(1.1) drop-shadow(0 0 15px rgba(255, 255, 255, 0.5));
  }
}

.post-excerpt {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.author-info-detailed {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
  padding: 1.5rem;
  border-radius: 20px;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  max-width: 400px;
  margin: 0 auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.author-info-detailed::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.author-info-detailed:hover::before {
  transform: translateX(100%);
}

.author-info-detailed:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.author-avatar-large {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.author-avatar-large::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: avatarRotate 3s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.author-avatar-large:hover::before {
  opacity: 1;
}

.author-avatar-large:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.author-details h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.author-details p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* Blog Post Content */
.blog-post-content {
  padding: 4rem 0;
  background: #f8fafc;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.post-body {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  line-height: 1.8;
  font-size: 1.1rem;
  color: #374151;
}

.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4,
.post-body h5,
.post-body h6 {
  color: #1f2937;
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.post-body h2 {
  font-size: 1.8rem;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 0.5rem;
}

.post-body h3 {
  font-size: 1.5rem;
  color: #667eea;
}

.post-body p {
  margin-bottom: 1.5rem;
}

.post-body ul,
.post-body ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.post-body li {
  margin-bottom: 0.5rem;
}

.post-body blockquote {
  border-left: 4px solid #667eea;
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: #6b7280;
  background: #f9fafb;
  padding: 1.5rem;
  border-radius: 8px;
}

.post-body code {
  background: #f3f4f6;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: #e11d48;
}

.post-body pre {
  background: #1f2937;
  color: #f9fafb;
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-body pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.post-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.5rem 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.post-body a {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.post-body a:hover {
  color: #764ba2;
  text-decoration: underline;
}

/* Content Sidebar */
.content-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.share-section,
.table-of-contents,
.related-topics {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.share-section h4,
.table-of-contents h4,
.related-topics h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.share-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.share-btn {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.share-btn.twitter {
  background: #1da1f2;
  color: white;
}

.share-btn.linkedin {
  background: #0077b5;
  color: white;
}

.share-btn.facebook {
  background: #4267b2;
  color: white;
}

.share-btn.copy {
  background: #6b7280;
  color: white;
}

.share-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.table-of-contents ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.table-of-contents li {
  margin-bottom: 0.5rem;
}

.table-of-contents a {
  color: #6b7280;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
  display: block;
  padding: 0.25rem 0;
}

.table-of-contents a:hover {
  color: #667eea;
}

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

.topic-tag {
  background: #f3f4f6;
  color: #374151;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Related Posts Section */
.related-posts {
  padding: 4rem 0;
  background: white;
}

.related-posts h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: #1f2937;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.related-post-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.related-post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.related-post-image {
  height: 200px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.related-post-visual {
  font-size: 2.5rem;
  color: white;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.related-post-content {
  padding: 1.5rem;
}

.related-post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: #6b7280;
}

.related-post-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1f2937;
  line-height: 1.4;
}

.related-post-excerpt {
  color: #6b7280;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.related-post-link {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.related-post-link:hover {
  color: #764ba2;
}

/* Responsive Design for Blog Post */
@media (max-width: 768px) {
  .blog-post-hero {
    padding: 4rem 0 3rem 0;
  }
  
  .blog-post-header h1 {
    font-size: 2.2rem;
  }
  
  .post-excerpt {
    font-size: 1.1rem;
  }
  
  .content-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .post-body {
    padding: 2rem;
  }
  
  .content-sidebar {
    order: -1;
  }
  
  .share-section,
  .table-of-contents,
  .related-topics {
    padding: 1.5rem;
  }
  
  .related-posts h2 {
    font-size: 2rem;
  }
  
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .blog-post-hero {
    padding: 3rem 0 2rem 0;
  }
  
  .blog-post-header h1 {
    font-size: 1.8rem;
  }
  
  .post-meta-top {
    flex-direction: column;
    gap: 1rem;
  }
  
  .author-info-detailed {
    flex-direction: column;
    text-align: center;
  }
  
  .post-body {
    padding: 1.5rem;
  }
  
  .share-section,
  .table-of-contents,
  .related-topics {
    padding: 1rem;
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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