/* Art page sub-navigation */
.art-subnav {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.art-subnav-link {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 1rem;
  border-bottom: 2px solid transparent;
  transition: all .2s ease;
  margin-bottom: -1px;
}
.art-subnav-link:hover { color: var(--ink); }
.art-subnav-link.active { color: var(--ink); border-bottom-color: var(--ink); }

/* Grid — left-to-right order, 3 columns desktop */
.art-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.art-grid img {
  width: 100%;
  display: block;
  border-radius: 2px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.art-grid img:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}

@media (max-width: 768px) {
  .art-grid {
    grid-template-columns: 1fr;
  }
}