/* ── Work / Portfolio page ───────────────────────────────── */
.gallery-filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-display);
  cursor: pointer;
  transition: all 0.2s ease;
}

.gallery-filter-btn:hover {
  border-color: var(--color-border-accent);
  color: var(--color-text-primary);
}

.gallery-filter-btn.active {
  background: var(--color-accent-primary);
  color: var(--color-accent-text);
  border-color: var(--color-accent-primary);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative; /* anchors outgoing filtered items during their absolute-positioned fade-out */
}

.work-item {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.work-item.hidden-item { display: none; }

@media (max-width: 1023px) {
  .work-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 479px) {
  .work-grid { grid-template-columns: 1fr; }
}