:root {
  --primary-color: #ff6024;
  --primary-hover: #e55a21;
  --text-color: #262626;
  --text-light: #35383e;
  --white: #ffffff;
  --bg-light: #f8fafc;
  --border-color: #e1e5e9;
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.1);
  --font-primary: 'Work Sans', sans-serif;
  --font-secondary: 'Inter', sans-serif;
}

.blog-post-header-section {
  background: linear-gradient(270deg, #eaeaea 2.69%, #ffffff 24.93%, #ffffff 56.24%, #e4e4e4 100%);
  color: #000;
  padding: 10rem 0 20rem;
  position: relative;
  overflow: hidden;
}

.blog-header-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
  position: relative;
  z-index: 2;
}

.blog-post-tag {
  margin-bottom: 2rem;
}

.blog-post-tag .tag-link {
  background: var(--bg-light);
  color: var(--text-light);
  padding: 0.5rem 1rem;
  border-radius: 15px;
  font-size: 1.2rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.blog-post-title {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2rem;
  font-family: var(--font-primary);
}

.blog-post-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 4rem;
  font-size: 1.5rem;
  opacity: 0.9;
}

.blog-post-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  white-space: nowrap;
}

.blog-post-meta .meta-item i {
  font-size: 1.4rem;
  color: #000;
}

.blog-featured-image-container {
  margin-top: -200px;
  padding: 2rem 2rem 0;
  position: relative;
  z-index: 3;
}

.blog-featured-image {
  width: 100%;
  max-width: 1160px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  margin: 0 auto;
  display: block;
  height: auto;
  max-height: 600px;
}

.blog-post-content-section {
  padding: 8rem 0 10rem;
}

.blog-post-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.blog-post-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 6rem;
  align-items: start;
}

.blog-post-sidebar {
  position: sticky;
  top: 2rem;
}

.author-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.author-avatar {
  flex-shrink: 0;
}

.author-avatar i {
  font-size: 3rem;
  color: var(--text-color);
}

.author-name {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text-color);
  margin: 0;
  font-family: var(--font-secondary);
}

.table-of-contents {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.table-of-contents.hidden {
  display: none;
}

.table-of-contents h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 1.5rem;
  font-family: var(--font-secondary);
}

#toc-nav {
  list-style: none;
  padding: 0;
}

#toc-nav a {
  display: block;
  padding: 0.8rem 1rem;
  color: var(--text-color);
  text-decoration: none;
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

#toc-nav a:hover,
#toc-nav a.active {
  background: rgba(255, 96, 36, 0.1);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
}

#toc-nav a.h2 {
  padding-left: 1.5rem;
}

#toc-nav a.h3 {
  font-size: 1.4rem;
}

#toc-nav a.h4 {
  padding-left: 3.5rem;
  font-size: 1.2rem;
}

.share-section h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 1.5rem;
  font-family: var(--font-secondary);
}

.share-buttons {
  display: flex;
  gap: 1rem;
  justify-content: flex-start;
}

.share-buttons a {
  text-decoration: none !important;
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  max-width: 35px;
  height: 35px;
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.4rem;
  transition: all 0.3s ease;
  position: relative;
  background: #f1f5f9;
  color: #374151;
  border: 1px solid #e5e7eb;
}

.share-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-size: 1.2rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
}

.share-btn::before {
  content: '';
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.8);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.share-btn:hover::after,
.share-btn:hover::before {
  opacity: 1;
  visibility: visible;
}

.share-btn:hover {
  background: #374151;
  color: white;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.blog-post-summary {
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 2px solid var(--border-color);
}

.blog-post-summary .lead {
  font-size: 2rem;
  line-height: 1.6;
  color: var(--text-color);
  margin: 0;
}

.blog-post-content {
  line-height: 1.8;
  color: var(--text-color);
  font-family: var(--font-secondary);
}

.blog-post-content h1,
.blog-post-content h2,
.blog-post-content h3,
.blog-post-content h4,
.blog-post-content h5,
.blog-post-content h6 {
  position: relative;
  font-family: var(--font-primary);
  font-weight: 400;
  color: var(--text-color);
  margin-top: 3rem;
  margin-bottom: 4.5rem;
  line-height: 1.3;
  scroll-margin-top: 2rem;
}

.blog-post-content h1 strong,
.blog-post-content h2 strong,
.blog-post-content h3 strong,
.blog-post-content h4 strong,
.blog-post-content h5 strong,
.blog-post-content h6 strong {
  font-weight: 400 !important;
}


.blog-post-content h1::after,
.blog-post-content h2::after,
.blog-post-content h3::after,
.blog-post-content h4::after,
.blog-post-content h5::after,
.blog-post-content h6::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2rem;
  width: 4rem;
  height: 1px;
  background: var(--primary-color);
  z-index: -1;
}

.blog-post-content h1 {
  font-size: 3.2rem;
  padding-bottom: 1rem;
}

.blog-post-content h2 {
  font-size: 2.8rem;
}

.blog-post-content h3 {
  font-size: 2.4rem;
}

.blog-post-content h4 {
  font-size: 2rem;
}

.blog-post-content h5 {
  font-size: 1.8rem;
}

.blog-post-content h6 {
  font-size: 1.6rem;
}

.blog-post-content p {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  line-height: 1.8;
  font-weight: 300;
  color: #262626;
}

.blog-post-content ul,
.blog-post-content ol {
  font-size: 1.7rem;
  margin-bottom: 2rem;
  padding-left: 3rem;
}

.blog-post-content ul {
  list-style: disc !important;
}

.blog-post-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
  font-size: 1.6rem;
  font-weight: 300;
  color: #262626;
}

.blog-post-content strong {
  font-weight: 700 !important;
}

.blog-post-content blockquote {
  background: var(--bg-light);
  border-left: 5px solid var(--primary-color);
  padding: 2rem 3rem;
  margin: 3rem 0;
  font-style: italic;
  font-size: 1.8rem;
  border-radius: 0 10px 10px 0;
  box-shadow: var(--shadow-light);
}

.blog-post-content code {
  background: #f1f5f9;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 1.5rem;
  color: #e53e3e;
}

.blog-post-content pre {
  background: #1a202c;
  color: #e2e8f0;
  padding: 2rem;
  border-radius: 10px;
  overflow-x: auto;
  margin: 2rem 0;
  box-shadow: var(--shadow-medium);
}

.blog-post-content pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 1.4rem;
}

.blog-post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin: 3rem 0;
  box-shadow: var(--shadow-medium);
}

.blog-post-content a {
  color: var(--primary-color) !important;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.blog-post-content a:hover {
  border-bottom-color: var(--primary-color);
  color: var(--primary-hover);
}

.blog-post-footer {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border-color);
}

.blog-post-tags h5 {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 1.5rem;
  font-family: var(--font-primary);
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.blog-tag {
  background: var(--bg-light);
  color: var(--text-color);
  padding: 0.8rem 1.5rem;
  border-radius: 20px;
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 500;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

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

.back-to-blog {
  margin-top: 4rem;
  text-align: center;
}

.back-to-blog-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: var(--primary-color);
  color: white;
  padding: 1.5rem 3rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.6rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-light);
}

.back-to-blog-btn:hover {
  background: var(--primary-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  text-decoration: none;
}

@media (max-width: 992px) {
  .blog-post-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .blog-post-sidebar {
    order: 2;
    position: static;
    margin-top: 4rem;
  }
  
  .blog-post-main-content {
    order: 1;
  }
  
  .blog-post-title {
    font-size: 3rem;
  }
  
  .blog-post-meta {
    gap: 1.5rem;
    font-size: 1.4rem;
  }
  
  .blog-featured-image {
    height: 300px;
    margin-top: -40px;
  }
}

@media (max-width: 768px) {
  .blog-post-header-section {
    padding: 10rem 0;
  }
  
  .blog-header-content {
    padding: 0 1rem;
  }
  
  .blog-post-title {
    font-size: 2.5rem;
  }
  
  .blog-post-meta {
    font-size: 1.4rem;
  }
  
  .blog-featured-image-container {
    padding: 0 2rem;
    margin-top: -7rem;
  }

  .blog-post-content-section {
    padding: 4rem 0 10rem;
  }
  
  .blog-featured-image {
    height: 250px;
  }
  
  .blog-post-container {
    padding: 0 1rem;
  }
  
  .blog-post-layout {
    gap: 3rem;
  }
  
  .blog-post-main-content {
    padding: 2.5rem 2rem;
  }
  
  .blog-post-sidebar {
    padding: 2.5rem 2rem;
  }
  
  .share-buttons {
    flex-direction: row;
  }
  
  .share-btn {
    flex: 1;
    justify-content: center;
    padding: 1rem;
    font-size: 1.2rem;
  }
  
  .share-btn span {
    display: none;
  }
}

@media (max-width: 480px) {
  .blog-post-title {
    font-size: 2.2rem;
  }
  
  .blog-post-main-content {
    padding: 2rem 1.5rem;
  }
  
  .blog-post-sidebar {
    padding: 2rem 1.5rem;
  }
  
  .blog-post-content h1 {
    font-size: 2.8rem;
  }
  
  .blog-post-content h2 {
    font-size: 2.4rem;
  }
  
  .blog-post-content h3 {
    font-size: 2rem;
  }
  
  .blog-post-content p,
  .blog-post-content ul,
  .blog-post-content ol {
    font-size: 1.6rem;
  }
}