/* utilities.css — small helpers only */

.u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.u-skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.u-skip-link:focus,
.u-skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.u-mt-0 { margin-top: 0; }
.u-mb-0 { margin-bottom: 0; }
.u-mb-4 { margin-bottom: var(--space-4); }
.u-mb-5 { margin-bottom: var(--space-5); }
.u-mb-6 { margin-bottom: var(--space-6); }
.u-mb-7 { margin-bottom: var(--space-7); }

.u-text-primary { color: var(--text-primary); }
.u-text-secondary { color: var(--text-secondary); }
.u-text-sm { font-size: var(--text-sm); }

.u-stack > * + * {
  margin-top: var(--space-4);
}

.u-full {
  max-width: none;
}