/* Phase 3: Blog and Community Styles */

/* Blog and whitepaper styles */
.blog-meta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 1rem 0;
  flex-wrap: wrap;
}

.blog-meta span {
  background: var(--card);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
}

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

.featured-post {
  background: var(--card);
  border-radius: 12px;
  padding: 2rem;
  border-left: 4px solid var(--accent);
  transition: transform 0.2s;
}

.featured-post:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.featured-post h3 {
  margin: 0 0 1rem 0;
}

.featured-post h3 a {
  color: var(--text);
  text-decoration: none;
}

.featured-post h3 a:hover {
  color: var(--link-color);
}

.post-meta {
  display: flex;
  gap: 1rem;
  margin: 0.5rem 0 1rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.post-category {
  background: var(--accent);
  color: var(--text);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.8rem;
}

.post-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.tag {
  background: var(--border);
  color: var(--text);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  text-decoration: none;
  transition: background-color 0.2s;
}

.tag:hover {
  background: var(--accent);
}

.posts-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 2rem 0;
}

.post-preview {
  background: var(--card);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--border);
  transition: transform 0.2s;
}

.post-preview:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

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

.category-card {
  background: var(--card);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--border);
  text-align: center;
  transition: transform 0.2s;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.category-card h3 {
  margin: 0 0 1rem 0;
  color: var(--text);
}

.category-link {
  display: inline-block;
  background: var(--accent);
  color: var(--text);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
  transition: transform 0.2s;
}

.category-link:hover {
  transform: translateY(-1px);
}

/* Newsletter signup */
.newsletter-container {
  background: var(--gradient);
  color: white;
  padding: 3rem 2rem;
  border-radius: 20px;
  text-align: center;
  margin: 3rem 0;
}

.newsletter-container h2 {
  color: white;
  margin-bottom: 1rem;
}

.newsletter-form {
  max-width: 500px;
  margin: 2rem auto;
}

.newsletter-form .form-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.newsletter-form input {
  flex: 1;
  padding: 1rem;
  border: none;
  border-radius: 8px;
  font-size: 16px;
}

.subscribe-btn {
  background: var(--accent);
  color: var(--text);
  border: none;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s;
}

.subscribe-btn:hover {
  transform: translateY(-1px);
}

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

.newsletter-benefits {
  margin-top: 2rem;
  text-align: left;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-benefits h3 {
  color: white;
  margin-bottom: 1rem;
}

.newsletter-benefits ul {
  list-style: none;
  padding: 0;
}

.newsletter-benefits li {
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
}

/* Community section */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.community-card {
  background: var(--card);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border);
  transition: transform 0.2s;
}

.community-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.community-btn {
  display: inline-block;
  background: var(--gradient);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
  transition: transform 0.2s;
}

.community-btn:hover {
  transform: translateY(-1px);
}

/* Article page styles */
.article-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.article-meta-top {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.article-category {
  background: var(--accent);
  color: var(--text);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.8rem;
}

.article-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin: 1rem 0 2rem 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

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

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

.article-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

.article-content .lead {
  font-size: 1.2rem;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 2rem;
}

.insight-box {
  background: var(--card);
  border-left: 4px solid var(--accent);
  padding: 2rem;
  margin: 2rem 0;
  border-radius: 0 12px 12px 0;
}

.insight-box h3 {
  margin: 0 0 1rem 0;
  color: var(--text);
}

.article-sharing {
  text-align: center;
  margin: 3rem 0 2rem 0;
  padding: 2rem;
  background: var(--card);
  border-radius: 12px;
}

.sharing-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.share-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s;
  text-decoration: none;
  display: inline-block;
}

.share-btn:hover {
  transform: translateY(-1px);
}

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

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

.share-btn.copy {
  background: var(--border);
  color: var(--text);
}

.related-articles {
  margin: 2rem 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.related-post {
  background: var(--card);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.related-post h4 {
  margin: 0 0 0.5rem 0;
}

.related-post h4 a {
  color: var(--text);
  text-decoration: none;
}

.related-post h4 a:hover {
  color: var(--link-color);
}

/* Whitepaper styles */
.whitepaper {
  max-width: 900px;
  margin: 0 auto;
}

.whitepaper-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 3rem 2rem;
  background: var(--gradient);
  color: white;
  border-radius: 20px;
}

.whitepaper-meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.whitepaper-meta span {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 20px;
}

.whitepaper-subtitle {
  font-size: 1.2rem;
  margin: 1rem 0 2rem 0;
  opacity: 0.9;
}

.document-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.abstract-content {
  background: var(--card);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--accent);
  margin: 2rem 0;
}

.toc {
  background: var(--card);
  padding: 2rem;
  border-radius: 12px;
  margin: 2rem 0;
}

.toc ol {
  list-style: decimal;
  padding-left: 1.5rem;
}

.toc ol ol {
  list-style: lower-alpha;
  margin-top: 0.5rem;
}

.toc a {
  color: var(--link-color);
  text-decoration: none;
}

.toc a:hover {
  text-decoration: underline;
}

.research-finding {
  background: var(--card);
  border: 2px solid var(--success);
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
}

.research-finding h5 {
  color: var(--success);
  margin: 0 0 1rem 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  background: var(--bg);
  border-radius: 8px;
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--card);
  font-weight: 600;
  color: var(--text);
}

.data-table code {
  background: var(--border);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: monospace;
}

.formula-box {
  background: var(--card);
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
  text-align: center;
}

.formula-box strong {
  font-size: 1.2rem;
  color: var(--text);
}

.whitepaper-footer {
  background: var(--card);
  padding: 3rem 2rem;
  border-radius: 12px;
  margin: 3rem 0;
}

.citation-formats {
  margin: 1rem 0;
}

.citation-formats h4 {
  margin: 1rem 0 0.5rem 0;
  color: var(--text);
}

.citation-formats p {
  background: var(--bg);
  padding: 1rem;
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.9rem;
  border: 1px solid var(--border);
}

.download-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.download-btn {
  background: var(--gradient);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s;
}

.download-btn:hover {
  transform: translateY(-1px);
}

/* API Documentation styles */
.api-docs-container {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.api-sidebar {
  background: var(--card);
  padding: 2rem;
  border-radius: 12px;
  height: fit-content;
  position: sticky;
  top: 2rem;
}

.api-sidebar h2 {
  margin: 0 0 1rem 0;
  color: var(--text);
}

.api-sidebar ul {
  list-style: none;
  padding: 0;
}

.api-sidebar li {
  margin-bottom: 0.5rem;
}

.api-sidebar a {
  color: var(--link-color);
  text-decoration: none;
  padding: 0.25rem 0;
  display: block;
}

.api-sidebar a:hover {
  color: var(--text);
}

.api-content {
  background: var(--bg);
}

.api-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin: 1rem 0 2rem 0;
}

.api-meta {
  display: flex;
  gap: 2rem;
  margin: 1rem 0 2rem 0;
  flex-wrap: wrap;
}

.api-meta span {
  background: var(--card);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
}

.api-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.info-card {
  background: var(--card);
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border);
}

.info-card h4 {
  margin: 0 0 0.5rem 0;
  color: var(--text);
  font-size: 0.9rem;
}

.info-card code {
  background: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  display: block;
  margin-top: 0.5rem;
}

/* Responsive design for Phase 3 */
@media (max-width: 768px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
  
  .newsletter-form .form-group {
    flex-direction: column;
  }
  
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .api-docs-container {
    grid-template-columns: 1fr;
  }
  
  .api-sidebar {
    position: static;
  }
  
  .whitepaper-meta,
  .author-info,
  .document-stats {
    flex-direction: column;
    gap: 1rem;
  }
}