/* ===== Blog Hub (category: tin-tuc) ===== */
/* Design tokens */
.hub-wrap{
  --gap:18px;
  --line:#cfd4da;
  --muted:#6b7280;
  --accent:#0ea5e9;
  --ink:#0f172a;
  max-width:1100px; margin:24px auto; padding:0 16px;
}

/* Headings */
.hub-h1{font-size:clamp(26px,3.6vw,44px);font-weight:800;margin:6px 0 12px;color:var(--ink)}
.hub-h2{font-size:clamp(18px,2.2vw,22px);font-weight:800;margin:18px 0 10px;color:var(--ink)}

/* ========== SPOTLIGHT (2 columns =========== */
.hub-spotlight{
  display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-bottom:22px;
}
@media (max-width:900px){ .hub-spotlight{ grid-template-columns:1fr } }

/* Big card (left) */
.hub-big{
  display:block; text-decoration:none; color:inherit;
  background:#fff; border:1px solid var(--line); border-radius:10px; overflow:hidden;
}
.hub-media{ aspect-ratio:16/9; background:#f3f4f6; display:flex; align-items:center; justify-content:center }
.hub-media img{ width:100%; height:100%; object-fit:cover }
.hub-meta{ padding:10px }
.hub-title{
  margin:8px 0 4px; font-weight:800; line-height:1.25;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.hub-date{ font-size:13px; color:var(--muted) }

/* Right column: 3 small items */
.hub-side{padding-top:15px; display:flex; flex-direction:column; gap:16px }
.hub-side-item{ display:flex; gap:12px; text-decoration:none; color:inherit; align-items:flex-start }
.hub-side-media{
  width:140px; flex:0 0 140px; aspect-ratio:16/9;
  background:#f3f4f6; border:1px solid var(--line); border-radius:6px; overflow:hidden;
}
.hub-side-media img{ width:100%; height:100%; object-fit:cover }
.hub-side-body{ flex:1; min-width:0 }
.hub-side-title{
  font-weight:700; line-height:1.25;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}

/* Category chip */
.hub-chip{
  display:inline-block; padding:2px 8px; border:1px solid var(--line);
  border-radius:999px; background:#fff; font-size:12px; color:var(--ink);
}
.hub-chip--sm{ font-size:11px }

/* ========== SECTION GRIDS (below spotlight) ========== */
.hub-section{ margin-top:24px }
.hub-sec-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:10px }

/* View all button */
.hub-viewall{
  display:inline-flex; align-items:center; justify-content:center;
  padding:6px 12px; border:1px solid var(--line); border-radius:999px;
  background:#fff; text-decoration:none; color:var(--ink);
  line-height:1; white-space:nowrap; width:max-content;
}
.hub-viewall:hover{ background:#f9fafb }

/* Card grid */
.hub-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px }
@media (max-width:900px){ .hub-grid{ grid-template-columns:repeat(2,1fr) } }
@media (max-width:560px){ .hub-grid{ grid-template-columns:1fr } }

.hub-card{
  display:flex; flex-direction:column; text-decoration:none; color:inherit;
  background:#fff; border:1px solid var(--line); border-radius:10px; overflow:hidden;
  transition:transform .15s, box-shadow .15s;
}
.hub-card:hover{ transform:translateY(-2px); box-shadow:0 10px 24px rgba(0,0,0,.07) }
.hub-card-media{ aspect-ratio:16/9; background:#f3f4f6; display:flex; align-items:center; justify-content:center }
.hub-card-media img{ width:100%; height:100%; object-fit:cover }
.hub-card-body{ padding:10px }
.hub-card-title{
  font-weight:700; margin:6px 0; line-height:1.25;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.hub-card-date{ font-size:13px; color:var(--muted) }