/* ==================== BLOG HERO ==================== */
.blog-hero {
  padding: 60px 0 40px;
}

.blog-hero h1 {
  font-size: 3rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.blog-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 12px;
}

/* ==================== BLOG LIST ==================== */
.blog-list {
  padding: 0 0 80px;
}

.blog-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.blog-list-card {
  display: flex;
  gap: 24px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  transition: opacity 0.3s;
}

.blog-list-card:hover {
  opacity: 0.75;
}

.blog-list-thumb {
  width: 360px;
  aspect-ratio: 16/9;
  border-radius: 12px;
  flex-shrink: 0;
  overflow: hidden;
}

.blog-list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-list-info {
  flex: 1;
}

.blog-list-tag {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.blog-list-card h2 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: 8px 0;
}

.blog-list-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.blog-list-meta {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ==================== BREADCRUMB ==================== */
.breadcrumb {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--text-dark);
}

.breadcrumb span {
  color: var(--text-dark);
  font-weight: 500;
}

.breadcrumb svg {
  color: var(--text-light);
}

/* ==================== ARTICLE ==================== */
.article {
  padding: 48px 0 80px;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: start;
}

/* HEADER */
.article-header {
  margin-bottom: 32px;
}

.article-tag {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.article-header h1 {
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 12px 0 16px;
}

.article-meta {
  display: flex;
  gap: 20px;
  font-size: 0.82rem;
  color: var(--text-light);
}

/* COVER */
.article-cover {
  width: 100%;
  aspect-ratio: 2/1;
  border-radius: 16px;
  margin-bottom: 40px;
}

/* BODY */
.article-body {
  max-width: 680px;
}

.article-lead {
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: 32px;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 40px 0 16px;
  padding-top: 8px;
}

.article-body p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.article-body strong {
  color: var(--text-dark);
  font-weight: 500;
}

/* SHARE */
.article-share {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

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

.share-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 980px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dark);
  transition: background 0.2s;
}

.share-btn:hover {
  background: var(--bg-light);
}

/* SIDEBAR */
.article-sidebar {
  position: sticky;
  top: 88px;
}

.sidebar-toc {
  margin-bottom: 40px;
}

.sidebar-toc h4,
.sidebar-related h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 16px;
}

.sidebar-toc a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}

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

.related-item {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: opacity 0.2s;
}

.related-item:hover {
  opacity: 0.7;
}

.related-tag {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-light);
  margin-bottom: 4px;
}

.related-item span:last-child {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.35;
}

/* ==================== FOOTER ==================== */
.footer-simple {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .blog-hero h1 { font-size: 2rem; }
  .blog-list-grid { grid-template-columns: 1fr; }
  .blog-list-card { flex-direction: column; }
  .blog-list-thumb { width: 100%; height: 200px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .article-header h1 { font-size: 1.8rem; }
  .footer-simple { flex-direction: column; gap: 16px; text-align: center; }
}