/* Blog article layout extensions */
.blog-hero {
  padding-bottom: 64px;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.blog-meta .tag {
  font-size: 12px;
}

.blog-meta-item {
  color: var(--text-sub);
  font-size: 13px;
}

.breadcrumb {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 80px 0;
  color: var(--text-sub);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--cyan);
  font-weight: 600;
}

.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 56px;
  max-width: 1180px;
  margin: 0 auto;
  align-items: start;
}

.blog-article {
  max-width: 760px;
}

.blog-article .card {
  animation: blogReveal 0.55s ease both;
}

.article-section + .article-section {
  margin-top: 24px;
}

.article-section h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 18px;
}

.article-section h3 {
  font-size: 21px;
  margin: 24px 0 10px;
}

.article-section p,
.article-section li {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.85;
}

.article-section p + p {
  margin-top: 16px;
}

.article-section ul {
  margin: 14px 0 0 22px;
}

.article-callout {
  margin: 28px 0;
  border-color: rgba(34,211,238,0.25);
  background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(34,211,238,0.06));
}

.blog-toc {
  position: sticky;
  top: calc(var(--nav-height) + 28px);
}

.blog-toc h4 {
  margin-bottom: 14px;
}

.blog-toc a {
  display: block;
  color: var(--text-sub);
  font-size: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}

.blog-toc a:hover {
  color: var(--cyan);
}

.author-block {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gradient-cta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@keyframes blogReveal {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1100px) {
  .breadcrumb { padding: 24px 40px 0; }
  .blog-layout { grid-template-columns: 1fr; gap: 32px; }
  .blog-article { max-width: none; }
  .blog-toc { position: static; }
}

@media (max-width: 600px) {
  .breadcrumb { padding: 20px 24px 0; }
  .related-grid { grid-template-columns: 1fr; }
}