/* ============================================
   BLOG STYLES - Modern, Readable, Engaging
   ============================================ */

/* Blog Article Layout */
.blog-article {
  max-width: 100%;
  overflow-x: hidden;
}

/* Blog Header - Clean, Focused */
.blog-header {
  padding: 140px 24px 60px;
  background: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(10,10,10,1) 100%);
  position: relative;
  overflow: hidden;
}

.blog-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(153, 255, 51, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(152, 135, 255, 0.05), transparent);
  pointer-events: none;
}

.blog-header-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Breadcrumb */
.blog-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.blog-breadcrumb a {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.2s;
}

.blog-breadcrumb a:hover {
  color: var(--primary-green);
}

.blog-breadcrumb span {
  color: var(--text-tertiary);
}

/* Category Tag */
.blog-category {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(153, 255, 51, 0.1);
  border: 1px solid rgba(153, 255, 51, 0.3);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-green);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

/* Blog Title */
.blog-title {
  font-family: "Inter", sans-serif;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

/* Blog Subtitle/Excerpt */
.blog-excerpt {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* Blog Meta Info */
.blog-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.blog-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.blog-meta-item svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.blog-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.blog-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green), var(--primary-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: #000;
}

.blog-author-info {
  display: flex;
  flex-direction: column;
}

.blog-author-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.blog-author-role {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-green), var(--primary-purple));
  z-index: 1001;
  transition: width 0.1s linear;
}

/* Main Content Area */
.blog-content-wrapper {
  display: grid;
  grid-template-columns: 1fr min(720px, 100%) 1fr;
  gap: 0;
  padding: 0 24px;
}

.blog-content-wrapper > * {
  grid-column: 2;
}

/* Full-width elements */
.blog-content-wrapper .full-width {
  grid-column: 1 / -1;
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

/* Article Content */
.blog-content {
  padding: 60px 0 80px;
}

/* Typography */
.blog-content h2 {
  font-family: "Inter", sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 56px 0 24px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.blog-content h2:first-child {
  margin-top: 0;
}

.blog-content h3 {
  font-family: "Inter", sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 40px 0 16px;
  line-height: 1.4;
}

.blog-content h4 {
  font-family: "Inter", sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 12px;
  line-height: 1.4;
}

.blog-content p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.blog-content p:last-child {
  margin-bottom: 0;
}

.blog-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.blog-content a {
  color: var(--primary-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

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

/* Lists */
.blog-content ul,
.blog-content ol {
  margin: 0 0 24px 0;
  padding-left: 24px;
}

.blog-content li {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.blog-content li::marker {
  color: var(--primary-green);
}

.blog-content li:last-child {
  margin-bottom: 0;
}

/* Blockquote */
.blog-content blockquote {
  margin: 40px 0;
  padding: 24px 32px;
  border-left: 4px solid var(--primary-green);
  background: rgba(153, 255, 51, 0.05);
  border-radius: 0 12px 12px 0;
}

.blog-content blockquote p {
  font-size: 18px;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.blog-content blockquote cite {
  font-size: 14px;
  color: var(--text-tertiary);
  font-style: normal;
}

/* Code */
.blog-content code {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--primary-green);
}

.blog-content pre {
  margin: 32px 0;
  padding: 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow-x: auto;
}

.blog-content pre code {
  background: none;
  padding: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Images */
.blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 32px 0;
}

.blog-content figure {
  margin: 40px 0;
}

.blog-content figcaption {
  font-size: 14px;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 12px;
}

/* Horizontal Rule */
.blog-content hr {
  border: none;
  height: 1px;
  background: var(--border-color);
  margin: 48px 0;
}

/* Table of Contents */
.blog-toc {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px 32px;
  margin: 0 0 48px 0;
}

.blog-toc-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.blog-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.blog-toc-list li {
  margin: 0;
  padding: 0;
}

.blog-toc-list a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.2s;
}

.blog-toc-list li:last-child a {
  border-bottom: none;
}

.blog-toc-list a:hover {
  color: var(--primary-green);
  padding-left: 8px;
}

/* Callout Boxes */
.blog-callout {
  margin: 32px 0;
  padding: 24px;
  border-radius: 12px;
  border: 1px solid;
}

.blog-callout-info {
  background: rgba(152, 135, 255, 0.08);
  border-color: rgba(152, 135, 255, 0.3);
}

.blog-callout-success {
  background: rgba(153, 255, 51, 0.08);
  border-color: rgba(153, 255, 51, 0.3);
}

.blog-callout-warning {
  background: rgba(255, 193, 7, 0.08);
  border-color: rgba(255, 193, 7, 0.3);
}

.blog-callout-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.blog-callout p {
  font-size: 15px;
  margin: 0;
}

/* Key Takeaway Box */
.blog-takeaway {
  background: linear-gradient(135deg, rgba(153, 255, 51, 0.1), rgba(152, 135, 255, 0.05));
  border: 1px solid rgba(153, 255, 51, 0.2);
  border-radius: 16px;
  padding: 32px;
  margin: 40px 0;
}

.blog-takeaway-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-green);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.blog-takeaway p {
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
}

/* Comparison Cards */
.blog-comparison {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 40px 0;
}

.blog-comparison-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
}

.blog-comparison-card h4 {
  margin: 0 0 16px 0;
  font-size: 18px;
}

.blog-comparison-card ul {
  margin: 0;
  padding-left: 20px;
}

.blog-comparison-card li {
  font-size: 15px;
  margin-bottom: 8px;
}

/* Stats Grid */
.blog-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0;
}

.blog-stat {
  text-align: center;
  padding: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.blog-stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-green);
  line-height: 1;
  margin-bottom: 8px;
}

.blog-stat-label {
  font-size: 14px;
  color: var(--text-tertiary);
}

/* CTA Box */
.blog-cta {
  background: linear-gradient(135deg, rgba(153, 255, 51, 0.15), rgba(153, 255, 51, 0.05));
  border: 1px solid rgba(153, 255, 51, 0.3);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  margin: 48px 0;
}

.blog-cta h3 {
  font-size: 24px;
  margin: 0 0 12px 0;
  color: var(--text-primary);
}

.blog-cta p {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0 0 24px 0;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.blog-cta .cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--primary-green);
  color: #000;
  font-weight: 600;
  font-size: 15px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}

.blog-cta .cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(153, 255, 51, 0.3);
}

/* Related Articles */
.blog-related {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--border-color);
}

.blog-related-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

.blog-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.blog-related-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  transition: all 0.2s;
}

.blog-related-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(153, 255, 51, 0.3);
  transform: translateY(-2px);
}

.blog-related-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 8px 0;
  line-height: 1.4;
}

.blog-related-card p {
  font-size: 14px;
  color: var(--text-tertiary);
  margin: 0;
  line-height: 1.5;
}

/* Author Bio */
.blog-author-bio {
  display: flex;
  gap: 24px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  margin: 48px 0;
}

.blog-author-bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green), var(--primary-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 24px;
  color: #000;
  flex-shrink: 0;
}

.blog-author-bio-content h4 {
  font-size: 18px;
  margin: 0 0 4px 0;
  color: var(--text-primary);
}

.blog-author-bio-content .role {
  font-size: 14px;
  color: var(--primary-green);
  margin-bottom: 12px;
}

.blog-author-bio-content p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* Share Buttons */
.blog-share {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 32px 0;
}

.blog-share-label {
  font-size: 14px;
  color: var(--text-tertiary);
}

.blog-share-buttons {
  display: flex;
  gap: 8px;
}

.blog-share-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}

.blog-share-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--primary-green);
}

.blog-share-btn svg {
  width: 18px;
  height: 18px;
}

/* Sticky Sidebar (for larger screens) */
.blog-sidebar {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-green);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 100;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(153, 255, 51, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .blog-header {
    padding: 120px 20px 48px;
  }
  
  .blog-title {
    font-size: 28px;
  }
  
  .blog-excerpt {
    font-size: 16px;
  }
  
  .blog-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .blog-content-wrapper {
    padding: 0 20px;
  }
  
  .blog-content {
    padding: 40px 0 60px;
  }
  
  .blog-content h2 {
    font-size: 24px;
    margin: 40px 0 20px;
  }
  
  .blog-content h3 {
    font-size: 20px;
  }
  
  .blog-content p,
  .blog-content li {
    font-size: 16px;
  }
  
  .blog-comparison {
    grid-template-columns: 1fr;
  }
  
  .blog-stats {
    grid-template-columns: 1fr;
  }
  
  .blog-related-grid {
    grid-template-columns: 1fr;
  }
  
  .blog-author-bio {
    flex-direction: column;
    text-align: center;
  }
  
  .blog-cta {
    padding: 32px 24px;
  }
  
  .blog-toc {
    padding: 24px;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

/* Print Styles */
@media print {
  .nav-premium,
  .reading-progress,
  .back-to-top,
  .blog-share,
  .blog-cta,
  .blog-related {
    display: none !important;
  }
  
  .blog-content {
    max-width: 100%;
  }
  
  .blog-content a {
    color: inherit;
    text-decoration: underline;
  }
}