/**
 * Blog listing page (blog.html) — complements main.css + site-header.
 */
.site-main--blog {
  padding: 2rem 0 3rem;
}

.wrap--blog {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  align-items: start;
}

.blog-index .section-title {
  font-family: 'Source Serif 4', serif;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--navy);
}

.blog-index-title {
  margin-bottom: 0.75rem;
}

.blog-lead {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 52rem;
  margin-bottom: 1.75rem;
}

.blog-lead strong {
  color: #172434;
  font-weight: 600;
}

.posts {
  display: grid;
  gap: 1rem;
}

.post-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--line);
  padding: 1.5rem;
  border-radius: 12px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.post-card:hover {
  box-shadow: 0 8px 24px rgba(23, 36, 52, 0.08);
  transform: translateY(-2px);
}

.post-meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.65rem;
  align-items: center;
}

.post-tag,
.side-tag {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
}

.post-meta span:last-child {
  font-size: 0.78rem;
  color: var(--muted);
}

.post-card h2 {
  font-family: 'Source Serif 4', serif;
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
  line-height: 1.25;
  color: var(--navy);
}

.post-card p {
  color: #4d5768;
  font-size: 0.9rem;
  line-height: 1.6;
}

.post-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.85rem;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  transition: gap 0.2s;
}

.post-link:hover {
  gap: 0.65rem;
}

.sidebar-stack {
  display: grid;
  gap: 1rem;
  position: sticky;
  top: 1rem;
}

.blog-index .sidebar-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--line);
  padding: 1.35rem;
  border-radius: 12px;
}

.blog-index .sidebar-card h3 {
  font-family: 'Source Serif 4', serif;
  font-size: 1.4rem;
  margin-bottom: 0.85rem;
  line-height: 1.2;
  color: var(--navy);
}

.blog-index .sidebar-card .side-tag + h3 {
  margin-top: 0.25rem;
}

.blog-index .sidebar-card ul {
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.blog-index .sidebar-card li a {
  text-decoration: none;
  color: #4d5768;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.blog-index .sidebar-card li a:hover {
  color: var(--gold);
}

.archive-list li,
.category-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.archive-list li span,
.category-list li span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.blog-index .footer {
  background: #080f1c;
  color: rgba(255, 255, 255, 0.78);
  padding: 2.5rem 2rem;
  margin-top: 3rem;
}

.blog-index .footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

@media (max-width: 1024px) {
  .blog-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .sidebar-stack {
    position: static;
  }
}

@media (max-width: 768px) {
  .wrap--blog {
    padding: 0 1.25rem;
  }

  .post-card {
    padding: 1.25rem;
  }

  .post-card h2 {
    font-size: 1.3rem;
  }

  .site-main--blog {
    padding: 1.5rem 0 2rem;
  }
}