/* ===================================================
   blog.css — Blog listing + article detail pages
   =================================================== */

/* ── Article listing grid ─────────────────────────── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.article-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.article-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.article-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  background: var(--color-surface);
}
.article-card__img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.article-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-3);
}
.article-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.article-card__tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.article-card__tag--accent {
  background: var(--color-accent-light);
  color: var(--color-accent);
}
.article-card__tag--scapa {
  background: var(--color-scapa-light);
  color: var(--color-scapa);
}
.article-card__date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
.article-card__title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin: 0;
}
.article-card:hover .article-card__title {
  color: var(--color-primary);
}
.article-card__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin: 0;
}
.article-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-1);
  transition: gap var(--transition-fast);
}
.article-card:hover .article-card__footer { gap: var(--space-3); }

/* ── Featured article (full-width top card) ───────── */
.article-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition-base);
  margin-bottom: var(--space-8);
}
.article-featured:hover { box-shadow: var(--shadow-lg); }
.article-featured__img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
  background: var(--color-surface);
}
.article-featured__img-placeholder {
  width: 100%;
  min-height: 280px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.article-featured__body {
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
}
.article-featured__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  width: fit-content;
}
.article-featured__title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.3;
  margin: 0;
}
.article-featured:hover .article-featured__title { color: var(--color-primary); }
.article-featured__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}
.article-featured__cta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* ── Article detail page ──────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-12);
  align-items: start;
}
.article-content {
  min-width: 0;
}
.article-header {
  margin-bottom: var(--space-8);
}
.article-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.article-header__title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}
.article-header__lead {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: 1.75;
  font-style: italic;
}
.article-cover {
  width: 100%;
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-8);
  display: block;
}
.article-body {
  font-size: var(--font-size-base);
  line-height: 1.85;
  color: var(--color-text);
}
.article-body h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: var(--space-10) 0 var(--space-5);
  color: var(--color-text);
  line-height: 1.3;
}
.article-body h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: var(--space-8) 0 var(--space-4);
  color: var(--color-text);
}
.article-body p { margin-bottom: var(--space-5); }
.article-body ul,
.article-body ol {
  margin: 0 0 var(--space-5) var(--space-6);
}
.article-body li { margin-bottom: var(--space-2); }
.article-body strong { font-weight: 700; color: var(--color-text); }
.article-body .callout {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-5) var(--space-6);
  margin: var(--space-6) 0;
}
.article-body .callout p { margin: 0; color: var(--color-primary-dark); }

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: calc(var(--header-h, 72px) + var(--space-6));
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ── Blog filter tabs ─────────────────────────────── */
.blog-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}
.blog-filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.blog-filter-btn:hover,
.blog-filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
}
@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .article-featured {
    grid-template-columns: 1fr;
  }
  .article-featured__img,
  .article-featured__img-placeholder {
    min-height: 200px;
  }
}
@media (max-width: 480px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
}