/* Blog — archive & single post */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(var(--space-5), 3vw, var(--space-8));
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast), transform var(--duration-fast);
}

.blog-card:hover {
  border-color: rgba(47, 94, 167, 0.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.blog-card__media-link {
  display: block;
  text-decoration: none;
}

.blog-card__media {
  aspect-ratio: 16 / 10;
  background: var(--color-gray-100);
  overflow: hidden;
}

.blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.blog-card:hover .blog-card__media img {
  transform: scale(1.04);
}

.blog-card__media--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(47, 94, 167, 0.08) 0%, rgba(244, 193, 22, 0.12) 100%);
  color: var(--color-blue);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.blog-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-3);
  padding: clamp(var(--space-4), 2.5vw, var(--space-6));
}

.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.blog-card__date,
.blog-post__date {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.blog-card__category {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-dim);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.blog-card__category:hover {
  color: var(--color-blue);
}

.blog-card__title {
  font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
  line-height: var(--leading-snug);
  margin: 0;
}

.blog-card__title a {
  color: var(--color-text);
  text-decoration: none;
}

.blog-card__title a:hover {
  color: var(--color-blue);
}

.blog-card__excerpt {
  flex: 1;
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.blog-card__more {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-blue);
  text-decoration: none;
}

.blog-card__more:hover {
  text-decoration: underline;
}

.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  background: var(--color-bg-secondary);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.blog-empty__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.blog-empty__desc {
  max-width: 32rem;
  margin-inline: auto;
  color: var(--color-text-secondary);
}

.blog-pagination {
  margin-top: clamp(var(--space-8), 4vw, var(--space-12));
}

.blog-pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.blog-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--duration-fast), border-color var(--duration-fast), color var(--duration-fast);
}

.blog-pagination .page-numbers:hover,
.blog-pagination .page-numbers.current {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #fff;
}

/* Single post */
.blog-post {
  max-width: 48rem;
  margin-inline: auto;
}

.blog-post__header {
  margin-bottom: clamp(var(--space-6), 4vw, var(--space-10));
  text-align: center;
}

.blog-post__title {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  line-height: var(--leading-tight);
  margin: var(--space-4) 0 var(--space-3);
}

.blog-post__lead {
  font-size: clamp(var(--text-base), 2.5vw, var(--text-lg));
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.blog-post__featured {
  margin-bottom: clamp(var(--space-6), 4vw, var(--space-10));
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.blog-post__featured img {
  width: 100%;
  height: auto;
  display: block;
}

.blog-post__content {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
}

.blog-post__content > * + * {
  margin-top: var(--space-4);
}

.blog-post__content h2,
.blog-post__content h3,
.blog-post__content h4 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.blog-post__content p {
  margin-bottom: var(--space-4);
}

.blog-post__content ul,
.blog-post__content ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.blog-post__content ul { list-style: disc; }
.blog-post__content ol { list-style: decimal; }

.blog-post__content li + li {
  margin-top: var(--space-2);
}

.blog-post__content a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-post__content img {
  border-radius: var(--radius-md);
  margin-block: var(--space-6);
}

.blog-post__content blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-5) var(--space-6);
  border-left: 4px solid var(--color-yellow);
  background: var(--color-bg-secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.blog-post__content pre,
.blog-post__content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.blog-post__content pre {
  overflow-x: auto;
  padding: var(--space-4);
  background: var(--color-nav-dark);
  color: #e2e8f0;
  border-radius: var(--radius-md);
}

.blog-post__content :not(pre) > code {
  padding: 0.15em 0.4em;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

.blog-post__footer {
  margin-top: clamp(var(--space-8), 4vw, var(--space-12));
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.blog-post__back {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-blue);
  text-decoration: none;
}

.blog-post__back:hover {
  text-decoration: underline;
}

.blog-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

@media (hover: none) and (pointer: coarse) {
  .blog-card:hover {
    transform: none;
  }
}