/* =========================================
   PKSEurope — blog.css
   Blog index grid, article typography, byline
   ========================================= */

/* =========================================
   Blog Index
   ========================================= */
.blog-index {
  padding: 64px 0 96px;
  background: var(--color-bg);
}

.blog-index-header {
  margin-bottom: 48px;
}

.blog-index-header h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

.blog-index-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Category Filter */
.blog-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.blog-filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition);
}

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

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* Blog Card */
.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.blog-card-thumb {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.blog-card-thumb .photo-placeholder {
  width: 100%;
  height: 100%;
}

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

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.blog-category-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(201, 168, 76, 0.08);
  border: 1px solid rgba(201, 168, 76, 0.2);
  padding: 3px 8px;
  border-radius: 3px;
}

.blog-read-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.blog-card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 10px;
  transition: color var(--transition);
}

.blog-card:hover .blog-card-title {
  color: var(--color-primary-light);
}

.blog-card-excerpt {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
  margin-top: auto;
}

.blog-card-link:hover {
  gap: 10px;
}

/* Blog card date */
.blog-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 8px;
}

/* =========================================
   Blog Article Page
   ========================================= */
.article-wrapper {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.article-page {
  padding-bottom: 96px;
  background: var(--color-bg);
}

/* Article Header */
.article-header {
  background: linear-gradient(135deg, var(--color-bg-dark), var(--color-primary));
  padding: calc(var(--nav-height) + 56px) 0 56px;
  margin-bottom: 0;
}

.article-header-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
}

.article-header .blog-category-tag {
  margin-bottom: 16px;
  display: inline-block;
}

.article-header h1 {
  color: var(--color-white);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 20px;
  line-height: 1.15;
}

.article-byline {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.article-author {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
}

.article-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
}

.article-read-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
}

/* Article Body */
.article-body {
  padding: 56px 0 0;
}

.article-body h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.article-body h3 {
  font-size: 1.25rem;
  margin: 28px 0 12px;
}

.article-body p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 1.2rem;
}

.article-body ul,
.article-body ol {
  margin: 16px 0 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body ul li,
.article-body ol li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  padding-left: 4px;
}

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.article-body a:hover {
  color: var(--color-primary-light);
}

.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 16px 20px;
  margin: 24px 0;
  background: rgba(26, 61, 43, 0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-body blockquote p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-primary);
  margin: 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-x: auto;
  display: block;
}

.article-body th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 11px 14px;
  text-align: left;
}

.article-body td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}

.article-body tr:nth-child(even) td {
  background: rgba(26, 61, 43, 0.03);
}

/* Article CTA Box */
.article-cta-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  padding: 36px;
  margin: 48px 0;
  text-align: center;
}

.article-cta-box h3 {
  color: var(--color-white);
  margin-bottom: 12px;
}

.article-cta-box p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 24px;
}

/* Related Articles */
.related-articles {
  border-top: 1px solid var(--color-border);
  padding-top: 48px;
  margin-top: 64px;
}

.related-articles h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition);
}

.related-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.related-card .blog-category-tag {
  margin-bottom: 8px;
  display: inline-block;
}

.related-card h4 {
  font-size: 1rem;
  line-height: 1.35;
  color: var(--color-primary);
  transition: color var(--transition);
}

.related-card:hover h4 {
  color: var(--color-primary-light);
}

/* Article internal link highlight */
.article-link-highlight {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(26, 61, 43, 0.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 0.88rem;
  color: var(--color-primary);
  text-decoration: none !important;
  transition: all var(--transition);
}

.article-link-highlight:hover {
  background: var(--color-primary);
  color: var(--color-white) !important;
  border-color: var(--color-primary);
}

/* =========================================
   Blog Responsive
   ========================================= */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

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

  .article-wrapper {
    padding: 0 16px;
  }

  .article-header-inner {
    padding: 0 16px;
  }

  .article-body h2 {
    margin-top: 28px;
  }
}