/* ==========================================================================
/* ==========================================================================
   CAT-10 — Compact 2-col Stagger Grid
   ========================================================================== */
.cksft0_header {
  padding: 2.5rem 4rem 2rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.cksft0_header-inner { max-width: 700px; }
.cksft0_title {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 900;
  margin: 0 0 .4rem; color: var(--color-text); letter-spacing: -.02em;
}
.cksft0_desc { color: var(--color-muted); margin: 0; font-size: .9rem; }

/* 2-col grid, col phải lùi xuống để tạo stagger */
.cksft0_grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  padding: 2rem 3rem;
  align-items: start;
}
/* Cột chẵn (2, 4, 6...) lùi xuống */
.cksft0_card:nth-child(even) { margin-top: 2rem; }

.cksft0_card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
  display: flex; flex-direction: column;
}
.cksft0_card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,.1);
  transform: translateY(-3px);
}
.cksft0_card-img {
  display: block; width: 100%; aspect-ratio: 16/10; overflow: hidden;
  background: var(--color-border) center/cover no-repeat;
}
.cksft0_card-img img {
  width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s;
}
.cksft0_card:hover .cksft0_card-img img { transform: scale(1.05); }

.cksft0_card-body {
  padding: .9rem 1rem 1.1rem; flex: 1;
  display: flex; flex-direction: column; gap: .4rem; position: relative;
}
.cksft0_num {
  position: absolute; top: .6rem; right: .8rem;
  font-size: 1.8rem; font-weight: 900; color: var(--color-primary);
  opacity: .08; line-height: 1; pointer-events: none; user-select: none;
}
.cksft0_card-title {
  font-size: .9rem; font-weight: 700; line-height: 1.4; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cksft0_card-title a { color: var(--color-text); text-decoration: none; }
.cksft0_card-title a:hover { color: var(--color-primary); }
.cksft0_card-excerpt {
  font-size: .75rem; color: var(--color-muted); line-height: 1.55; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cksft0_card-meta { font-size: .68rem; color: var(--color-muted); margin-top: auto; }

@media (max-width: 768px) {
  .cksft0_grid { padding: 1.5rem; gap: 1rem; }
  .cksft0_card:nth-child(even) { margin-top: 1.25rem; }
  .cksft0_header { padding: 2rem 1.5rem; }
}
@media (max-width: 480px) {
  .cksft0_grid { grid-template-columns: 1fr; padding: 1rem; }
  .cksft0_card:nth-child(even) { margin-top: 0; }
  .cksft0_header { padding: 1.5rem 1rem; }
}