/* ═══════════════════════════════════════════════════════════════════════════
   BLOG LISTING PAGE
   ═══════════════════════════════════════════════════════════════════════════ */

.blog-listing-hero {
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-3xl);
  background: var(--color-surface);
}

.blog-listing-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.blog-listing-sub {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

/* Tag filter buttons */
.blog-filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.blog-filter-btn {
  font-family: var(--font-body);
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  background: white;
  border: 1px solid var(--color-border);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.25s ease;
}

.blog-filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.blog-filter-btn.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.blog-listing {
  padding: var(--space-4xl) 0;
}

.blog-listing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.blog-listing-card {
  display: flex;
  flex-direction: column;
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.blog-listing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-color: var(--color-accent);
}

.blog-listing-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-surface);
}

.blog-listing-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-listing-card:hover .blog-listing-card-img img {
  transform: scale(1.05);
}

.blog-listing-card-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-listing-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
  transition: color 0.3s ease;
}

.blog-listing-card:hover .blog-listing-card-title {
  color: var(--color-accent);
}

.blog-listing-card-excerpt {
  font-size: 0.938rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  flex: 1;
}

.blog-listing-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: auto;
}

.blog-listing-tag {
  font-family: var(--font-mono);
  font-size: 0.688rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  background: var(--color-surface);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
}

.blog-listing-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: 1.125rem;
  padding: var(--space-4xl) 0;
}


/* ═══════════════════════════════════════════════════════════════════════════
   BLOG POST PAGE
   ═══════════════════════════════════════════════════════════════════════════ */

.blog-post-hero {
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-3xl);
  background: var(--color-surface);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.blog-post-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-decoration: none;
  margin-bottom: var(--space-xl);
  transition: color 0.2s ease;
}

.blog-post-back:hover {
  color: var(--color-accent);
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.blog-post-title {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.blog-post-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* Author section */
.blog-post-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.blog-post-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.blog-post-author-info {
  display: flex;
  flex-direction: column;
}

.blog-post-author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.blog-post-author-role {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

.blog-post-cover {
  padding: var(--space-xl) 0;
}

.blog-post-cover img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.blog-post-content {
  padding: var(--space-xl) 0 var(--space-4xl);
}

.blog-post-content .container-narrow {
  font-size: 1.063rem;
  line-height: 1.85;
  color: var(--color-text-secondary);
}

.blog-post-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
}

.blog-post-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-sm);
}

.blog-post-content p {
  margin-bottom: var(--space-lg);
}

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

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

.blog-post-content a:hover {
  opacity: 0.8;
}

.blog-post-content img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
}

.blog-post-content ul,
.blog-post-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.blog-post-content li {
  margin-bottom: var(--space-xs);
}

.blog-post-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin: var(--space-2xl) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.blog-post-content pre,
.blog-post-content code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.blog-post-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: var(--space-xl) 0;
}

.blog-post-content code {
  background: var(--color-surface);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-text);
}

.blog-post-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

/* Card styling from Firestore content */
.blog-post-content .card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: var(--space-xl) 0;
}

.blog-post-content .card-body {
  padding: var(--space-xl);
}

.blog-post-content .card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.blog-post-content .card-text {
  margin-bottom: var(--space-sm);
}

.blog-post-content .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-accent);
  color: white;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  margin-top: var(--space-sm);
  transition: opacity 0.2s ease;
}

.blog-post-content .btn-primary:hover {
  opacity: 0.9;
}

.blog-post-footer {
  padding: var(--space-2xl) 0 var(--space-4xl);
  border-top: 1px solid var(--color-border);
}

.blog-post-footer .container-narrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.blog-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}


/* ═══════════════════════════════════════════════════════════════════════════
   BLOG RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .blog-listing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .blog-listing-title {
    font-size: 2rem;
  }

  .blog-post-title {
    font-size: 1.75rem;
  }

  .blog-post-subtitle {
    font-size: 1rem;
  }

  .blog-post-footer .container-narrow {
    flex-direction: column;
    align-items: flex-start;
  }
}