/* ========================================
   TMF Online — Blog Styles
   ======================================== */

/* Blog Index */
.blog-hero {
  padding: 140px 0 60px;
  text-align: center;
}

.blog-hero .section-label {
  text-align: center;
}

.blog-hero .section-title {
  max-width: 100%;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.blog-hero .section-sub {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 60px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.08);
}

.blog-card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-glow);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-hover);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  width: fit-content;
}

.blog-card h2 {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.blog-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.blog-card-date {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.blog-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.blog-card-link:hover {
  color: var(--accent-hover);
  gap: 8px;
}

/* Article Page */
.article-hero {
  padding: 140px 0 40px;
  text-align: center;
}

.article-breadcrumb {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.article-breadcrumb a {
  color: var(--accent);
  transition: var(--transition);
}

.article-breadcrumb a:hover {
  color: var(--accent-hover);
}

.article-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent-glow);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-hover);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.article-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}

.article-meta-sep {
  width: 4px;
  height: 4px;
  background: var(--text-dim);
  border-radius: 50%;
}

.article-excerpt {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Article Body */
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text);
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--text);
}

.article-body p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-body li {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 8px;
}

.article-body strong {
  color: var(--text);
  font-weight: 700;
}

.article-body blockquote {
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 28px 0;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Stat highlight boxes */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.stat-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Article CTA box */
.article-cta {
  background: linear-gradient(135deg, #ffffff 0%, rgba(99, 102, 241, 0.04) 100%);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin: 48px 0;
}

.article-cta h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--text);
}

.article-cta p {
  color: var(--text-muted);
  margin-bottom: 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* Related articles */
.related-section {
  padding: 80px 0;
  background: var(--bg-alt);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.related-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.related-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

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

.related-card .blog-card-link {
  font-size: 0.8rem;
}

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

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-body {
    padding: 40px 0 60px;
  }

  .article-cta {
    padding: 28px;
  }
}