/* Small helpers — safe, low-specificity */
@layer utilities {
  .visually-hidden { position:absolute!important; width:1px;height:1px; padding:0;margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0 }
  .text-center { text-align: center }
  .stack > * + * { margin-top: var(--space-3) }
}