/* ============================================================================
   Blog Styles (Listing + Article Pages)
   ============================================================================ */

/* Blog Listing Page */
.blog-page {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 80px;
  min-height: 100vh;
}

.blog-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.blog-header {
  text-align: center;
  margin-bottom: 60px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.blog-card {
  padding: 32px;
  border-radius: 20px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
  display: flex;
  flex-direction: column;
  animation: fadeRiseIn 0.6s var(--ease-out) both;
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
}

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

.blog-card-date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.blog-card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(25, 118, 210, 0.15);
  color: var(--color-primary-light);
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary-light);
  transition: color 0.2s var(--ease-out), gap 0.2s var(--ease-out);
}

.blog-card-link:hover {
  color: var(--color-accent);
  gap: 10px;
}

/* Blog Article Page */
.blog-article {
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 80px;
  min-height: 100vh;
}

.blog-article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.blog-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  animation: fadeRiseIn 0.6s var(--ease-out) both;
}

.blog-breadcrumb a {
  color: var(--color-text-muted);
  transition: color 0.2s var(--ease-out);
}

.blog-breadcrumb a:hover {
  color: var(--color-primary-light);
}

.blog-breadcrumb-sep {
  font-size: 0.75rem;
}

.blog-article-header {
  text-align: center;
  margin-bottom: 40px;
  animation: fadeRiseIn 0.6s var(--ease-out) 0.05s both;
}

.blog-article-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

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

.blog-article-content {
  padding: 48px;
  border-radius: 24px;
  margin-bottom: 40px;
  animation: fadeRiseIn 0.6s var(--ease-out) 0.1s both;
}

.blog-article-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--color-text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--glass-border);
}

.blog-article-content h2:first-child {
  margin-top: 0;
}

.blog-article-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.blog-article-content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.blog-article-content p:last-child {
  margin-bottom: 0;
}

.blog-article-content ul,
.blog-article-content ol {
  list-style: none;
  margin-bottom: 16px;
  padding-left: 0;
}

.blog-article-content li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.blog-article-content ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--gradient-primary);
  border-radius: 50%;
}

.blog-article-content ol {
  counter-reset: item;
}

.blog-article-content ol li {
  counter-increment: item;
}

.blog-article-content ol li::before {
  content: counter(item) ".";
  position: absolute;
  left: 0;
  font-weight: 600;
  color: var(--color-primary-light);
}

.blog-article-content li strong {
  color: var(--color-text);
}

.blog-article-content a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s var(--ease-out);
}

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

.blog-article-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 16px 24px;
  margin: 24px 0;
  background: rgba(25, 118, 210, 0.05);
  border-radius: 0 12px 12px 0;
}

.blog-article-content blockquote p {
  font-style: italic;
  margin-bottom: 0;
}

/* Comparison Table */
.blog-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
}

.blog-article-content th,
.blog-article-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.blog-article-content th {
  font-weight: 600;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.02);
}

.blog-article-content td {
  color: var(--color-text-secondary);
}

/* Article CTA */
.blog-article-cta {
  text-align: center;
  padding: 48px 32px;
  border-radius: 24px;
  margin-bottom: 40px;
  animation: fadeRiseIn 0.6s var(--ease-out) 0.15s both;
}

.blog-article-cta h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.blog-article-cta p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Related Articles */
.blog-related {
  animation: fadeRiseIn 0.6s var(--ease-out) 0.2s both;
}

.blog-related h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.blog-related-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blog-related-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: border-color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.blog-related-link:hover {
  border-color: var(--glass-border-hover);
  transform: translateX(4px);
}

.blog-related-link-title {
  font-weight: 500;
  font-size: 0.95rem;
}

.blog-related-link-arrow {
  margin-left: auto;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

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

  .blog-article-content {
    padding: 32px 24px;
  }

  .blog-article-content h2 {
    font-size: 1.25rem;
  }

  .blog-article-meta {
    flex-wrap: wrap;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .blog-card {
    padding: 24px;
  }

  .blog-article-content {
    padding: 24px 20px;
  }

  .blog-article-cta {
    padding: 32px 20px;
  }
}