/* ---- Utility ---- */
.text-center { text-align: center; }
.text-green  { color: var(--blue); }
.text-link {
  color: var(--blue);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.is-hidden { display: none; }
.surface-card { border-radius: var(--radius); }
.app-error { padding: 40px; }
.app-error__detail {
  margin-top: 1rem;
  color: #777;
  font-size: .8rem;
}
.page-missing { padding-top: calc(var(--nav-h) + 96px); }
.section--article { padding-top: var(--space-section-sm); }