/* ══════════════════════════════════════════
   Blog Pages
   ══════════════════════════════════════════ */

/* Blog Hero — matches .doc-hero pattern */
.blog-hero {
  text-align: center;
  padding: 140px 40px 60px;
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.blog-hero .section-label {
  margin-bottom: 16px;
}

.blog-hero .section-title {
  margin-bottom: 16px;
}

.blog-hero .section-subtitle {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* Blog Grid — 2-column responsive card layout */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 40px 100px;
}

/* Blog Card — post preview card */
.blog-card {
  padding: 32px 28px;
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--card-radius);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.blog-card:hover {
  border-color: var(--border-dark-active);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.blog-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.blog-tag--green {
  background: rgba(16, 185, 129, 0.08);
  color: var(--green);
  border-color: rgba(16, 185, 129, 0.15);
}

.blog-tag--purple {
  background: rgba(139, 92, 246, 0.08);
  color: var(--accent-warm);
  border-color: rgba(139, 92, 246, 0.15);
}

.blog-card-date {
  font-size: 12px;
  color: var(--text-light-muted);
}

.blog-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.blog-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-light-secondary);
  margin: 0;
  flex: 1;
}

.blog-card-arrow {
  margin-top: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-card-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}

.blog-card:hover .blog-card-arrow svg {
  transform: translateX(3px);
}

/* Blog Post — single article layout */
.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px 100px;
}

/* Post Header */
.blog-post-header {
  margin-bottom: 48px;
  padding-top: 140px;
  text-align: center;
}

.blog-post-header .blog-tag {
  margin-bottom: 16px;
}

.blog-post-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-light);
  margin-bottom: 16px;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 14px;
  color: var(--text-light-muted);
}

.blog-post-meta-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-light-muted);
}

/* Post Content — prose typography */
.blog-post-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-light-secondary);
}

.blog-post-content h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-light);
  margin-top: 48px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.blog-post-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-light);
  margin-top: 36px;
  margin-bottom: 12px;
  line-height: 1.3;
}

.blog-post-content p {
  margin-bottom: 20px;
}

.blog-post-content ul,
.blog-post-content ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.blog-post-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.blog-post-content blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--accent-blue);
  background: rgba(59, 130, 246, 0.04);
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--text-light);
}

.blog-post-content blockquote p {
  margin-bottom: 0;
}

.blog-post-content a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.blog-post-content a:hover {
  color: var(--text-light);
}

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

/* Post Footer */
.blog-post-footer {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border-dark);
}

.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s;
}

.blog-back-link:hover {
  color: var(--text-light);
}

.blog-back-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}

.blog-back-link:hover svg {
  transform: translateX(-3px);
}

/* Empty State */
.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
}

.blog-empty p {
  font-size: 16px;
  color: var(--text-light-muted);
}

/* ══════════════════════════════════════════
   Responsive — Blog
   ══════════════════════════════════════════ */

@media (max-width: 900px) {
  .blog-hero {
    padding: 120px 30px 48px;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    padding: 0 30px 80px;
  }

  .blog-post {
    padding: 0 30px 80px;
  }

  .blog-post-header {
    padding-top: 120px;
  }
}

@media (max-width: 600px) {
  .blog-hero {
    padding: 100px 20px 36px;
  }

  .blog-grid {
    padding: 0 20px 60px;
  }

  .blog-post {
    padding: 0 20px 60px;
  }

  .blog-post-header {
    padding-top: 100px;
  }

  .blog-post-header h1 {
    font-size: 28px;
  }

  .blog-card {
    padding: 24px 20px;
  }

  .blog-post-content {
    font-size: 15px;
  }

  .blog-post-content h2 {
    font-size: 22px;
    margin-top: 36px;
  }

  .blog-post-content h3 {
    font-size: 18px;
    margin-top: 28px;
  }
}