/* =============================================
   Blog / Knowledge Hub Section
   ============================================= */
.blog {
  background: var(--clr-bg);
}

.blog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

@media (min-width: 640px) {
  .blog__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .blog__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ─── Blog Card ─── */
.blog-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: all var(--dur-base) var(--ease-smooth);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.blog-card__image-wrap {
  position: relative;
  overflow: hidden;
  height: 220px;
  flex-shrink: 0;
}

.blog-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-smooth);
}

.blog-card:hover .blog-card__image {
  transform: scale(1.08);
}

.blog-card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.6), transparent 50%);
}

.blog-card__category {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--clr-accent);
  color: white;
  font-size: var(--fz-xs);
  font-weight: var(--fw-bold);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.blog-card__body {
  padding: var(--sp-5) var(--sp-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-size: var(--fz-xs);
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-3);
}

.blog-card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.blog-card__title {
  font-family: var(--font-heading);
  font-size: var(--fz-base);
  font-weight: var(--fw-bold);
  color: var(--clr-text-primary);
  line-height: 1.4;
  margin-bottom: var(--sp-3);
  transition: color var(--dur-fast) ease;
}

.blog-card:hover .blog-card__title {
  color: var(--clr-primary);
}

.blog-card__excerpt {
  font-size: var(--fz-sm);
  color: var(--clr-text-secondary);
  line-height: var(--lh-normal);
  flex: 1;
  margin-bottom: var(--sp-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--clr-border);
}

.blog-card__read-more {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fz-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-primary);
  text-decoration: none;
  transition: gap var(--dur-fast) ease;
}

.blog-card:hover .blog-card__read-more {
  gap: var(--sp-3);
}

.blog-card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fz-xs);
  color: var(--clr-text-muted);
}

.blog-card__author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: white;
  font-weight: var(--fw-bold);
}

/* ─── Blog CTA ─── */
.blog__cta {
  text-align: center;
  margin-top: var(--sp-12);
}