/* Blog Post Header */
.post-header {
  padding: 180px 0 100px;
  background-color: var(--color-primary);
  color: white;
}

.post-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.post-category {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-round);
  font-size: 0.9rem;
}

.post-header h1 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: 2.5rem;
}

.post-excerpt {
  font-size: 1.25rem;
  max-width: 800px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 300;
}

/* Featured Image */
.post-featured-image {
  height: 500px;
  background-color: var(--color-neutral-100);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.post-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Post Content */
.post-content {
  padding: var(--spacing-3xl) 0;
  background-color: white;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
}

.post-body {
  font-size: 1.1rem;
  line-height: 1.6;
}

.post-body h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  font-size: 1.8rem;
}

.post-body h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-neutral-800);
  font-size: 1.4rem;
}

.post-body p {
  margin-bottom: var(--spacing-md);
}

.post-body ul, 
.post-body ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.post-body li {
  margin-bottom: var(--spacing-sm);
}

.post-image {
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.post-image img {
  width: 100%;
  height: auto;
  display: block;
}

.post-image figcaption {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-neutral-100);
  font-size: 0.9rem;
  color: var(--color-neutral-600);
  text-align: center;
  font-style: italic;
}

/* Post Sidebar */
.post-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.author-bio {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--color-neutral-50);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
}

.author-image {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-round);
  overflow: hidden;
  flex-shrink: 0;
}

.author-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.author-info p {
  font-size: 0.9rem;
  color: var(--color-neutral-600);
  margin-bottom: 0;
}

.related-posts {
  padding: var(--spacing-lg);
  background-color: var(--color-neutral-50);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
}

.related-posts h3,
.post-tags h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.related-posts ul,
.post-tags ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-posts li {
  margin-bottom: var(--spacing-sm);
}

.related-posts a {
  color: var(--color-neutral-800);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.related-posts a:hover {
  color: var(--color-primary);
}

.post-tags {
  padding: var(--spacing-lg);
  background-color: var(--color-neutral-50);
  border-radius: var(--radius-lg);
}

.post-tags ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.post-tags li a {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-neutral-200);
  color: var(--color-neutral-700);
  border-radius: var(--radius-round);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.post-tags li a:hover {
  background-color: var(--color-primary);
  color: white;
}

/* Post Navigation */
.post-navigation {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-neutral-100);
  border-top: 1px solid var(--color-neutral-200);
  border-bottom: 1px solid var(--color-neutral-200);
}

.nav-links {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.prev-post,
.next-post {
  padding: var(--spacing-md);
  background-color: white;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-primary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.prev-post:hover,
.next-post:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Post CTA */
.post-cta {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-primary);
  color: white;
  text-align: center;
}

.post-cta h2 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.post-cta p {
  margin-bottom: var(--spacing-lg);
}

.newsletter-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  gap: var(--spacing-sm);
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
}

.newsletter-form button {
  padding: var(--spacing-sm) var(--spacing-xl);
  background-color: var(--color-secondary);
  color: var(--color-neutral-900);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.newsletter-form button:hover {
  background-color: var(--color-secondary-light);
}

/* Responsive */
@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1.5fr 1fr;
  }
}

@media (max-width: 768px) {
  .content-wrapper {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .post-sidebar {
    position: static;
    order: -1;
  }
  
  .post-header {
    padding: 150px 0 80px;
  }
  
  .post-header h1 {
    font-size: 2rem;
  }
  
  .post-featured-image {
    height: 300px;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .nav-links {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 480px) {
  .post-header {
    padding: 120px 0 60px;
  }
  
  .post-meta {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .post-header h1 {
    font-size: 1.8rem;
  }
  
  .post-excerpt {
    font-size: 1.1rem;
  }
  
  .post-featured-image {
    height: 200px;
  }
}