/* ============================================
   Total Chat — Blog Styles
   ============================================ */

/* Blog Index */
.blog-hero {
  padding: 140px 0 48px;
  text-align: center;
}
.blog-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.blog-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
  padding-bottom: 80px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.blog-card-tag {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}
.blog-card h2 {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}
.blog-card h2 a {
  color: var(--text);
  transition: color 0.2s;
}
.blog-card h2 a:hover {
  color: var(--primary-light);
}
.blog-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
}
.blog-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 20px;
  transition: gap 0.2s;
}
.blog-card:hover .read-more {
  gap: 10px;
}

/* Blog Post Article */
.blog-post {
  padding: 140px 0 80px;
}
.blog-post-inner {
  max-width: 720px;
  margin: 0 auto;
}
.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.blog-post h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.blog-post .lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  border-left: 3px solid var(--primary);
  padding-left: 20px;
}
.blog-post h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}
.blog-post h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 32px 0 12px;
}
.blog-post p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.blog-post ul, .blog-post ol {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  padding-left: 24px;
}
.blog-post ul { list-style: disc; }
.blog-post ol { list-style: decimal; }
.blog-post li { margin-bottom: 8px; }
.blog-post strong { color: var(--text); }
.blog-post a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 3px; }
.blog-post a:hover { color: var(--accent); }
.blog-post blockquote {
  border-left: 3px solid var(--primary);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.blog-post blockquote p { margin-bottom: 0; }
.blog-post hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}
.blog-post-cta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin-top: 48px;
}
.blog-post-cta h3 {
  margin-top: 0;
  color: var(--text);
}
.blog-post-cta p {
  max-width: 480px;
  margin: 0 auto 20px;
}
.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
  transition: color 0.2s;
}
.blog-back:hover { color: var(--primary-light); }

/* Responsive */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .blog-card { padding: 24px; }
}