/* ============================================
   BLOG LAYOUT - TWO COLUMN WITH STICKY TOC
   ============================================ */
   .blog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
    max-width: 1270px;
    margin: 0 auto;
    padding: 2rem 0;
    align-items: start;
  }
  
  /* LEFT COLUMN - TOC (Sticky) */
  .blog-toc-column {
    position: sticky;
    top: 100px;
    align-self: start;
  }
  
  .blog-toc-wrapper {
    background: rgba(17, 24, 39, 0.8);
    border: 1px solid rgba(55, 65, 81, 0.3);
    border-radius: 0.75rem;
    padding: 1.25rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .blog-toc-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #9CA3AF;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(55, 65, 81, 0.2);
  }
  
  .blog-toc-scroll {
    max-height: calc(100vh - 250px);
    overflow-y: auto;
    padding-right: 4px;
  }
  
  .blog-toc-scroll::-webkit-scrollbar {
    width: 3px;
  }
  
  .blog-toc-scroll::-webkit-scrollbar-track {
    background: rgba(31, 41, 55, 0.3);
    border-radius: 10px;
  }
  
  .blog-toc-scroll::-webkit-scrollbar-thumb {
    background: #374151;
    border-radius: 10px;
  }
  
  .blog-toc-scroll::-webkit-scrollbar-thumb:hover {
    background: #4B5563;
  }
  
  .blog-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .blog-toc-item {
    margin-bottom: 0.125rem;
  }
  
  .blog-toc-link {
    display: block;
    padding: 0.4rem 0.75rem;
    color: #D1D5DB;
    text-decoration: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
    line-height: 1.4;
  }
  
  .blog-toc-link:hover {
    color: #60A5FA;
    background: rgba(96, 165, 250, 0.08);
    border-left-color: #60A5FA;
  }
  
  .blog-toc-link:focus-visible {
    outline: 2px solid #60A5FA;
    outline-offset: 2px;
  }
  
  /* RIGHT COLUMN - Blog Content */
  .blog-content-column {
    min-width: 0;
  }
  
  .featured-image {
    width: 100%;
    height: auto;
    border-radius: 0.75rem;
    border: 1px solid rgba(55, 65, 81, 0.3);
    margin-bottom: 2rem;
  }
  
  .blog-content {
    color: #D1D5DB;
  }
  
  .blog-content h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: #F3F4F6;
    margin-top: 0;
    margin-bottom: 1.5rem;
  }
  
  .blog-content h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #F3F4F6;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(55, 65, 81, 0.3);
    scroll-margin-top: 100px;
  }
  
  .blog-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #F3F4F6;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    scroll-margin-top: 100px;
  }
  
  .blog-content p {
    line-height: 1.8;
    margin: 1rem 0;
    color: #D1D5DB;
  }
  
  .blog-content a {
    color: #60A5FA;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.2s ease;
  }
  
  .blog-content a:hover {
    color: #93C5FD;
  }
  
  .blog-content a:focus-visible {
    outline: 2px solid #60A5FA;
    outline-offset: 2px;
  }
  
  .blog-content strong {
    color: #F3F4F6;
    font-weight: 600;
  }
  
  .blog-content ul,
  .blog-content ol {
    margin: 1rem 0;
    padding-left: 0.5rem;
    color: #D1D5DB;
  }
  
  .blog-content li {
    margin: 0.5rem 0;
    line-height: 1.8;
  }
  
  .blog-content li::marker {
    color: #60A5FA;
  }
  
  .blog-content hr {
    border: none;
    border-top: 1px solid rgba(55, 65, 81, 0.3);
    margin: 2.5rem 0;
  }
    
  /* Link underline for accessibility */
  .link-underline {
    text-decoration: underline;
    text-underline-offset: 2px;
  }
  
  /* ============================================
     RESPONSIVE - Mobile First
     ============================================ */
  @media (max-width: 1023px) {
    .blog-layout {
      grid-template-columns: 1fr;
      gap: 1.5rem;
      padding: 1.5rem 0.5rem;
    }
  
    .blog-toc-column {
      position: static;
    }
  
    .blog-toc-wrapper {
      padding: 1rem;
    }
  
    .blog-toc-scroll {
      max-height: 300px;
    }
  
    .blog-toc-link {
      padding: 0.35rem 0.65rem;
      font-size: 0.875rem;
    }
  
    .blog-content h1 {
      font-size: 1.75rem;
    }
  
    .blog-content h2 {
      font-size: 1.5rem;
    }
  
    .blog-content h3 {
      font-size: 1.25rem;
    }
  }
  
  @media (max-width: 480px) {
    .blog-layout {
      padding: 1rem 0.75rem;
    }
  
    .blog-toc-wrapper {
      padding: 0.75rem;
    }
  
    .blog-toc-scroll {
      max-height: 250px;
    }
  
    .blog-toc-link {
      font-size: 0.8125rem;
      padding: 0.3rem 0.6rem;
    }
  
    .blog-content h1 {
      font-size: 1.5rem;
    }
  
    .blog-content h2 {
      font-size: 1.25rem;
    }
  
    .blog-content h3 {
      font-size: 1.125rem;
    }
  
    .blog-content p {
      font-size: 0.9375rem;
    }
  
    .blog-content ul,
    .blog-content ol {
      padding-left: 1.25rem;
    }
  }