/* Mobile navigation — scoped strictly to viewports 768px and below */

@media (min-width: 769px) {
  .nav-mobile-subscribe,
  .nav-mobile-backdrop,
  .nav-toggle-bar {
    display: none;
  }
}

@media (max-width: 768px) {
  /* backdrop-filter on .nav creates a containing block that clips fixed children */
  .nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: #000000 !important;
  }

  .nav-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    position: relative;
    z-index: 1002;
  }

  .nav-toggle svg {
    display: none;
  }

  .nav-toggle-bar {
    display: block;
    font-size: 1.45rem;
    line-height: 1;
    font-weight: 400;
  }

  .nav.nav-open .nav-toggle-bar {
    font-size: 1.35rem;
  }

  .logo {
    position: relative;
    z-index: 1002;
  }

  .nav-actions > .btn-primary {
    display: none;
  }

  .nav-mobile-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: #000000;
    z-index: 999;
  }

  .nav-mobile-backdrop.is-visible {
    display: block;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    width: 100%;
    height: calc(100dvh - var(--nav-height));
    max-height: calc(100dvh - var(--nav-height));
    min-height: calc(100dvh - var(--nav-height));
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 16px 24px 48px;
    background: #000000;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    border-top: 1px solid var(--border);
    z-index: 1001;
    list-style: none;
  }

  .nav.nav-open .nav-links,
  .nav-links.is-mobile-open {
    display: flex;
  }

  .nav-links > li {
    flex-shrink: 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-links > li > a {
    display: flex;
    width: 100%;
    padding: 14px 0;
    font-size: 1rem;
  }

  .nav-dropdown-trigger {
    display: flex;
    width: 100%;
    padding: 14px 0 8px;
    font-size: 1rem;
    justify-content: flex-start;
    align-items: center;
    gap: 8px;
  }

  .nav-dropdown-toggle {
    display: none;
  }

  .nav-hub-link.active::after {
    display: none;
  }

  .nav-dropdown::before {
    display: none;
  }

  .nav-dropdown {
    position: static;
    transform: none;
    min-width: 0;
    max-width: none;
    width: 100%;
    padding: 0 0 12px 12px;
    background: transparent;
    border: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: block;
  }

  .nav-item.has-dropdown:hover .nav-dropdown {
    transform: none;
  }

  .dropdown-grid,
  .dropdown-grid-2 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .dropdown-list.compact {
    grid-template-columns: 1fr;
  }

  .dropdown-heading {
    margin-bottom: 8px;
    padding-bottom: 6px;
  }

  .dropdown-list a {
    padding: 8px 10px;
    font-size: 0.875rem;
  }

  .dropdown-hub-link {
    margin-bottom: 10px;
    padding-bottom: 8px;
  }

  .nav-mobile-subscribe {
    display: list-item;
    border-bottom: none;
    padding-top: 12px;
    margin-top: 4px;
  }

  .nav-mobile-subscribe-btn {
    display: flex;
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
  }

  body.nav-menu-open {
    overflow: hidden;
  }
}