.article-menu-toggle,
.article-mobile-menu {
  display: none;
}

@media (max-width: 800px) {
  .site-header {
    height: 82px;
    padding: 0 1.1rem;
    gap: 0.75rem;
  }

  .site-header .brand {
    width: 86px;
    flex: 0 0 86px;
  }

  .site-header .brand img {
    max-height: 64px;
  }

  .site-header nav,
  .site-header .desktop-nav,
  .site-header .header-actions > .button {
    display: none !important;
  }

  .site-header .header-actions {
    display: flex;
    margin-left: auto;
    align-items: center;
    gap: 0.55rem;
    min-width: 0;
  }

  /* Keep Knowledge & Insights accessible, but show only a compact book icon. */
  .site-header .kennis-nav-link {
    display: inline-flex !important;
    width: 46px;
    height: 46px;
    min-width: 46px;
    flex: 0 0 46px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
    border: 1px solid #b8944f;
    border-radius: 50%;
    background: transparent;
    color: #082d64;
    font-size: 0;
    line-height: 0;
  }

  .site-header .kennis-nav-link > * {
    display: none !important;
  }

  .site-header .kennis-nav-link::before {
    width: 22px;
    height: 22px;
    background: center / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23082d64' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 5c3-1 6-1 8 1 2-2 5-2 8-1v13c-3-1-6-1-8 1-2-2-5-2-8-1V5Z'/%3E%3Cpath d='M12 6v13'/%3E%3C/svg%3E");
    content: "";
  }

  .workbook-header .guide-landing-actions,
  .guide-landing-header .guide-landing-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-left: auto;
    gap: 0.7rem;
  }

  .workbook-header .guide-landing-actions > a:last-of-type,
  .guide-landing-header .guide-landing-actions > a:last-of-type {
    display: none;
  }

  .site-header .language-switcher {
    display: flex;
    flex: none;
    gap: 0.25rem;
    white-space: nowrap;
    font-size: 0.78rem;
    line-height: 1;
  }

  .workbook-header .language-switcher,
  .guide-landing-header .language-switcher {
    display: flex;
    flex: none;
    gap: 0.25rem;
    white-space: nowrap;
    font-size: 0.78rem;
  }

  .article-menu-toggle {
    display: inline-flex;
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    align-items: center;
    justify-content: center;
    border: 1px solid #b8944f;
    border-radius: 50%;
    background: transparent;
    color: #082d64;
    cursor: pointer;
  }

  .article-menu-toggle svg {
    width: 22px;
    height: 22px;
  }

  .article-mobile-menu {
    position: fixed;
    z-index: 19;
    top: 82px;
    right: 0;
    left: 0;
    max-height: calc(100vh - 82px);
    overflow-y: auto;
    border-bottom: 1px solid #d6dde5;
    background: #f8f7f4;
    box-shadow: 0 16px 35px rgba(4, 30, 67, 0.16);
  }

  .article-mobile-menu:not([hidden]) {
    display: block;
  }

  .article-mobile-menu nav {
    display: grid;
    padding: 0.75rem 1.1rem 1.25rem;
  }

  .article-mobile-menu a {
    padding: 0.9rem 0;
    border-bottom: 1px solid #d6dde5;
    color: #082d64;
    font-size: 0.92rem;
    font-weight: 700;
  }

  .article-mobile-menu .article-mobile-contact {
    margin-top: 0.75rem;
    padding: 0.9rem 1rem;
    border: 1px solid #b8944f;
    background: #b8944f;
    color: #111826;
    text-align: center;
  }

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