.sr-only {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}
.stack { display: grid; gap: var(--space-4); }
.cluster { align-items: center; display: flex; flex-wrap: wrap; gap: .75rem; }
.center { text-align: center; }
.justify-center { justify-content: center; }
.max-none { max-width: none; }
.mx-auto { margin-inline: auto; }
.muted { color: var(--color-muted); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }