/* Mobile navigation toggle and menu panel.
   Reusable across inner pages. Requires the menu-toggle
   button markup and the js-menu-ready JavaScript. */

#menu-toggle {
  display: none;
}

@media screen and (max-width: 768px) {
  .js-menu-ready .nav {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
  }

  .js-menu-ready .logo {
    display: flex;
    width: 100%;
    margin: 0;
    padding: 0 var(--gap);
    align-items: center;
    justify-content: space-between;
  }

  .js-menu-ready #menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 4px;
    padding: 10px 4px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .menu-toggle-icon {
    display: grid;
    width: 18px;
    gap: 5px;
  }

  .menu-toggle-icon span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--secondary);
    transition: transform 160ms ease;
  }

  .js-menu-ready #menu-toggle:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 3px;
  }

  .js-menu-ready #menu-toggle[aria-expanded="true"]
    .menu-toggle-icon span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .js-menu-ready #menu-toggle[aria-expanded="true"]
    .menu-toggle-icon span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .js-menu-ready #menu {
    display: none;
    width: calc(100% - (var(--gap) * 2));
    margin: 0 var(--gap) 12px;
    padding: 8px 0;
    overflow: visible;
    white-space: normal;
    background: var(--entry);
    border-top: 1px solid var(--tertiary);
    border-bottom: 1px solid var(--border);
  }

  .js-menu-ready #menu.menu-open {
    display: block;
  }

  .js-menu-ready #menu li,
  .js-menu-ready #menu li + li {
    margin: 0;
  }

  .js-menu-ready #menu a {
    display: block;
    padding: 9px 12px;
    color: var(--primary);
    font-size: 0.95rem;
    line-height: 1.4;
  }

  .js-menu-ready #menu a:hover,
  .js-menu-ready #menu a:focus-visible {
    background: rgba(128, 128, 128, 0.12);
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu-toggle-icon span {
    transition: none;
  }
}