/* ============================================================
   Blog (Kopalnia wiedzy) — listing
   ============================================================ */

.blog-section { padding: var(--space-10) 0 var(--space-16); }

.blog-page-header { margin-bottom: var(--space-8); }
.blog-page-title { font-size: var(--text-3xl); font-weight: 700; color: var(--color-text-primary); margin-bottom: var(--space-2); }
.blog-page-subtitle { font-size: var(--text-base); color: var(--color-text-secondary); }
.blog-page-category { margin-top: var(--space-3); font-size: var(--text-sm); font-weight: 600; color: var(--color-primary); }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin-bottom: var(--space-10); }

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* --- Content card (design-system §8) --- */
.content-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}
.content-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.content-card-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  flex: 1;
}
.content-card-image {
  aspect-ratio: 16 / 9;
  background: var(--color-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-hint);
  overflow: hidden;
}
.content-card-image img { width: 100%; height: 100%; object-fit: cover; }
.content-card-body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); }
.content-card-meta  { font-size: var(--text-xs); color: var(--color-text-hint); text-transform: uppercase; letter-spacing: 0.05em; }
.content-card-title { font-size: var(--text-lg); font-weight: 700; color: var(--color-text-primary); line-height: 1.3; }
.content-card-excerpt { font-size: var(--text-sm); color: var(--color-text-secondary); }

/* --- Empty state --- */
.blog-empty {
  padding: var(--space-12) 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}
.blog-empty-title { font-size: var(--text-2xl); font-weight: 700; color: var(--color-text-primary); }

/* ============================================================
   BLOG POST — /kopalnia-wiedzy/<slug>/
   Source: docs/design/screens/blog-about-contact-pages.html (#page-blog-post)
   ============================================================ */
.post-section { padding: var(--space-8) 0 var(--space-16); }

.post-layout { display: grid; grid-template-columns: 1fr 300px; gap: var(--space-10); align-items: start; }
.post-article { min-width: 0; }

/* Cover image */
.post-cover {
  width: 100%; aspect-ratio: 21/9;
  border-radius: var(--radius-xl); overflow: hidden;
  background: var(--color-bg-subtle);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-8);
}
.post-cover img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-xl); }

/* Post header */
.post-tag { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); margin-bottom: var(--space-3); display: block; }
.post-title { font-size: var(--text-4xl); font-weight: 700; line-height: 1.2; color: var(--color-text-primary); margin-bottom: var(--space-4); }
.post-meta { display: flex; align-items: center; gap: var(--space-4); font-size: var(--text-sm); color: var(--color-text-hint); margin-bottom: var(--space-8); flex-wrap: wrap; }
.post-meta-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--color-border-strong); }

/* Article body — the only Merriweather surface on the site */
.post-body { font-family: var(--font-article); font-size: 1.0625rem; line-height: 1.85; color: var(--color-text-secondary); }
.post-body p { margin-bottom: var(--space-6); }
.post-body h2 { font-family: var(--font-primary); font-size: var(--text-2xl); font-weight: 700; color: var(--color-text-primary); margin: var(--space-10) 0 var(--space-4); line-height: 1.3; }
.post-body h3 { font-family: var(--font-primary); font-size: var(--text-xl); font-weight: 700; color: var(--color-text-primary); margin: var(--space-8) 0 var(--space-3); }
.post-body ul, .post-body ol { padding-left: var(--space-6); margin-bottom: var(--space-6); }
.post-body li { margin-bottom: var(--space-2); }
.post-body strong { font-weight: 700; color: var(--color-text-primary); }
.post-body em { font-style: italic; }
.post-body a { color: var(--color-primary); }
.post-body img { max-width: 100%; height: auto; }
.post-body blockquote {
  border-left: 4px solid var(--color-accent); padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0; background: var(--color-accent-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic; color: var(--color-text-secondary);
}

/* Sidebar */
.post-sidebar { position: sticky; top: var(--space-8); display: flex; flex-direction: column; gap: var(--space-6); }
.sidebar-card { background: var(--color-bg-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); overflow: hidden; }
.sidebar-card-header { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); background: var(--color-bg-subtle); font-size: var(--text-sm); font-weight: 700; color: var(--color-text-primary); }
.sidebar-card-body { padding: var(--space-4) var(--space-5); }

/* "Polecane z artykułu" rows — mockup styles these inline */
.post-sidebar .sidebar-card-body { display: flex; flex-direction: column; gap: var(--space-3); }
.sidebar-product { display: flex; gap: var(--space-3); align-items: center; text-decoration: none; padding: var(--space-2) 0; border-bottom: 1px solid var(--color-border); }
.sidebar-product:last-child { border-bottom: none; }
.sidebar-product-img {
  width: 52px; height: 52px; flex-shrink: 0;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.sidebar-product-img img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.sidebar-product-info { min-width: 0; flex: 1; }
.sidebar-product-name { font-size: var(--text-xs); font-weight: 600; color: var(--color-text-primary); line-height: 1.3; }
.sidebar-product-cat { font-size: var(--text-xs); color: var(--color-text-hint); margin-top: 2px; }
.sidebar-product-price { font-size: var(--text-sm); font-weight: 700; color: var(--color-price); margin-top: 2px; }

@media (max-width: 900px) {
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { position: static; }
  .post-title { font-size: var(--text-3xl); }
}