/* ========================================
   Blog Listing Page Styles
   ======================================== */

.blog-main {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: calc(var(--footer-height) + 60px);
  min-height: 100vh;
}

/* Blog Header */
.blog-header {
  margin-bottom: 48px;
}

.blog-title {
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.blog-subtitle {
  font-size: 18px;
  color: var(--text-tertiary);
  max-width: 500px;
}

/* Tag Filter */
.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-default);
}

.blog-tag {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-default) var(--ease-default);
}

.blog-tag:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.blog-tag--active {
  color: var(--bg-page);
  background: var(--text-primary);
  border-color: var(--text-primary);
}

/* Blog Posts Grid */
.blog-posts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

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

/* Loading State */
.blog-loading {
  display: contents;
}

.blog-loading .skeleton-card {
  height: 320px;
}

/* Blog Post Card */
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-default) var(--ease-default);
  text-decoration: none;
}

.blog-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.blog-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-surface-secondary);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

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

.blog-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.blog-card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.blog-card-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-card-excerpt {
  flex: 1;
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

.blog-card-date {
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-card-read-time {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Featured Post */
.blog-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.blog-card--featured .blog-card-image {
  width: 50%;
  aspect-ratio: auto;
}

.blog-card--featured .blog-card-content {
  width: 50%;
  padding: 32px;
  justify-content: center;
}

.blog-card--featured .blog-card-title {
  font-size: 28px;
}

@media (max-width: 768px) {
  .blog-card--featured {
    flex-direction: column;
  }

  .blog-card--featured .blog-card-image,
  .blog-card--featured .blog-card-content {
    width: 100%;
  }

  .blog-card--featured .blog-card-image {
    aspect-ratio: 16/9;
  }
}

/* Pagination */
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-default);
}

.blog-pagination-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-default) var(--ease-default);
}

.blog-pagination-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.blog-pagination-btn--active {
  color: var(--bg-page);
  background: var(--text-primary);
  border-color: var(--text-primary);
}

.blog-pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Empty State */
.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
  color: var(--text-tertiary);
}

.blog-empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--text-muted);
}

.blog-empty-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-empty-text {
  font-size: 14px;
}

/* ========================================
   Single Post Page Styles
   ======================================== */

.post-main {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: calc(var(--footer-height) + 60px);
}

.post {
  max-width: 720px;
  margin: 0 auto;
}

.post-header {
  margin-bottom: 40px;
}

.post-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.post-title {
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

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

.post-author {
  font-weight: 500;
  color: var(--text-secondary);
}

.post-feature-image {
  margin: 0 -24px 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.post-feature-image img {
  width: 100%;
  height: auto;
}

/* Post Content - Ghost HTML Output */
.post-content {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.post-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 56px 0 20px;
  letter-spacing: -0.02em;
}

.post-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 48px 0 16px;
}

.post-content p {
  margin-bottom: 28px;
  line-height: 1.8;
}

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

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

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

.post-content ul,
.post-content ol {
  margin: 0 0 28px 0;
  padding: 0;
  margin-left: 2em;
  list-style-position: outside;
}

.post-content ul {
  list-style-type: disc;
}

.post-content ol {
  list-style-type: decimal;
}

.post-content li {
  margin-bottom: 12px;
  line-height: 1.7;
  padding-left: 0.75em;
}

.post-content li::marker {
  color: var(--text-tertiary);
}

.post-content blockquote {
  margin: 32px 0;
  padding: 24px 32px;
  background: var(--bg-surface-secondary);
  border-left: 4px solid var(--text-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 18px;
  font-style: italic;
  color: var(--text-primary);
}

.post-content pre {
  margin: 32px 0;
  padding: 24px;
  background: var(--neutral-900);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.post-content code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 14px;
}

.post-content pre code {
  color: var(--neutral-100);
}

.post-content :not(pre) > code {
  padding: 2px 6px;
  background: var(--bg-surface-secondary);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-primary);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin: 32px 0;
}

.post-content figure {
  margin: 32px 0;
}

.post-content figcaption {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
}

.post-content hr {
  margin: 48px 0;
  border: none;
  border-top: 1px solid var(--border-default);
}

/* Post Footer */
.post-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-default);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.post-tags a {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface-secondary);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--duration-default) var(--ease-default);
}

.post-tags a:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}

/* Related Posts */
.related-posts {
  margin-top: 64px;
}

.related-posts-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 640px) {
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Post Navigation (Prev/Next)
   ======================================== */
.post-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border-default);
}

.post-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--duration-default) var(--ease-default);
}

.post-nav-link:hover {
  color: var(--text-primary);
}

.post-nav-link--next {
  margin-left: auto;
}

.post-nav-arrow {
  font-size: 16px;
}

/* ========================================
   Project Page Styles
   ======================================== */
.project-header {
  text-align: left;
}

.project-header .post-tag {
  margin-bottom: 0;
}

.project-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
}

.project-year {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.project-meta-sep {
  color: var(--text-muted);
  font-size: 12px;
}

.project-header .post-title {
  margin-bottom: 16px;
}

.project-client {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--duration-default) var(--ease-default);
}

.project-link:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.project-cta {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-default);
}

.project-hero {
  margin: 48px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-default);
}

.project-hero-img {
  width: 100%;
  height: auto;
  display: block;
}

.project-tag-item {
  display: inline-block;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface-secondary);
  border-radius: var(--radius-full);
  margin-right: 8px;
  margin-bottom: 8px;
  text-decoration: none;
  transition: all var(--duration-default) var(--ease-default);
}

.project-tag-item:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}