body > .site-header {
  position: relative;
  z-index: 1000;
}

@media (max-width: 800px) {
  body > .site-header {
    position: sticky;
    top: 0;
    isolation: isolate;
    overflow: visible;
  }

  .mobile-menu {
    position: relative;
    z-index: 1001;
  }

  .mobile-menu summary {
    position: relative;
    z-index: 1003;
    min-width: 68px;
    min-height: 44px;
    margin: -10px -8px -10px 0;
    padding: 10px 8px;
    display: grid;
    place-items: center end;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-menu summary:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 3px;
  }

  .mobile-menu[open] > div {
    position: fixed;
    z-index: 1002;
    inset: 76px 0 0;
    width: 100%;
    min-height: calc(100vh - 76px);
    min-height: calc(100dvh - 76px);
    padding: 24px 20px max(32px, env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    touch-action: pan-y;
    background: rgba(7, 26, 45, .985);
    color: var(--cream, #f5f9fc);
    pointer-events: auto;
  }

  .mobile-menu[open] > div a {
    position: relative;
    z-index: 1;
    min-height: 62px;
    padding: 20px 4px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
    color: inherit;
    font-size: 14px;
    line-height: 1.2;
    pointer-events: auto;
    touch-action: manipulation;
  }

  .mobile-menu[open] > div a:first-child {
    border-top: 1px solid rgba(255, 255, 255, .18);
  }

  .mobile-menu[open] > div a:focus-visible {
    outline: 2px solid #fff;
    outline-offset: -2px;
  }
}

@media (max-width: 800px) and (orientation: landscape) {
  .mobile-menu[open] > div {
    padding-top: 12px;
  }

  .mobile-menu[open] > div a {
    min-height: 50px;
    padding-block: 15px;
  }
}