/* Small-screen navigation shared by the Registry's published pages. */
.mobile-navigation { display: none; }

@media (max-width: 1060px) {
  .site-header { position: sticky; top: 0; z-index: 100; }
  .site-header .nav-inner,
  nav.mobile-nav-standalone {
    position: relative;
    height: auto;
    min-height: 88px;
    padding: 0.85rem 1.2rem;
    gap: 1rem;
  }
  nav.mobile-nav-standalone { position: sticky; top: 0; }
  .site-header .site-logo { flex: 1; min-width: 0; }
  .mobile-nav-standalone .nav-brand { flex: 1; min-width: 0; font-size: 1rem; line-height: 1.3; }
  .site-header .logo-primary,
  .site-header .site-logo strong {
    font-size: 1rem;
    line-height: 1.3;
    white-space: normal;
  }
  .site-header .logo-sub,
  .site-header .site-logo > span:not(.logo-primary) {
    font-size: 0.65rem;
    line-height: 1.5;
  }
  .site-header .nav-links,
  .mobile-nav-standalone .nav-links { display: none; }
  .site-header .mobile-navigation,
  .mobile-nav-standalone .mobile-navigation { display: block; flex: 0 0 auto; }
  .mobile-navigation summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0.55rem 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 5px;
    color: #fff;
    font: 600 1rem/1.4 var(--sans, system-ui, sans-serif);
    cursor: pointer;
    list-style: none;
  }
  .mobile-navigation summary::-webkit-details-marker { display: none; }
  .mobile-navigation summary::marker { content: ''; }
  .mobile-navigation summary:hover,
  .mobile-navigation[open] summary { background: rgba(255, 255, 255, 0.1); }
  .mobile-navigation summary:focus-visible,
  .mobile-navigation a:focus-visible { outline: 3px solid #8fd3c4; outline-offset: 3px; }
  .mobile-navigation ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 0.5rem 1.2rem 1rem;
    max-height: calc(100vh - 130px);
    max-height: calc(100dvh - 130px);
    overflow-y: auto;
    list-style: none;
    background: var(--navy, #1e2d4a);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 18px rgba(0, 0, 0, 0.18);
  }
  .mobile-navigation li { margin: 0; padding: 0; }
  .mobile-navigation a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0.55rem 0.75rem;
    border-radius: 4px;
    color: #fff;
    font: 400 1rem/1.4 var(--sans, system-ui, sans-serif);
    text-decoration: none;
  }
  .mobile-navigation a:hover,
  .mobile-navigation a[aria-current='page'] { background: rgba(255, 255, 255, 0.12); }
}