.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.grid { display: grid; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.text-bold { font-weight: 800; }
.w-full { width: 100%; }
.max-container { max-width: 1180px; }
.stack { display: grid; gap: var(--space-md); }
.stack-lg { display: grid; gap: var(--space-lg); }
.cluster { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-sm); }
.span-2 { grid-column: 1 / -1; }

@media (max-width: 768px) {
  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
}