/* Desktop navigation stays unchanged. */
.mobile-menu { display: none; }
@media (max-width: 760px) {
  .header { position: relative; display: flex; flex-wrap: wrap; align-items: center; min-height: 84px; padding: 18px 20px; gap: 0; }
  .header > .brand { max-width: 100%; padding-right: 88px; min-height: 48px; }
  .header > nav { display: none; }
  .header .mobile-menu { display: block; width: 100%; }
  .mobile-menu > summary { position: absolute; top: 20px; right: 20px; min-height: 44px; padding: 10px 12px; display: flex; align-items: center; gap: 9px; border: 1px solid #7b8b994d; border-radius: 9px; background: #ffffffb8; color: #294d6d; font: 600 14px/1.5 'Segoe UI', sans-serif; cursor: pointer; list-style: none; }
  .mobile-menu > summary::-webkit-details-marker { display: none; }
  .mobile-menu > summary:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
  .mobile-menu > summary svg { width: 18px; height: 18px; flex-shrink: 0; }
  .mobile-menu .close-label, .mobile-menu .close-icon { display: none; }
  .mobile-menu[open] .open-label, .mobile-menu[open] .open-icon { display: none; }
  .mobile-menu[open] .close-label, .mobile-menu[open] .close-icon { display: inline; }
  .header .mobile-menu nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; margin: 16px 0 0; padding: 16px 0 0; gap: 8px; border-top: 1px solid #877c6930; }
  .header .mobile-menu nav > a, .header .mobile-menu nav > a.nav-cta { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 12px 14px; border: 1px solid #8597a333; border-radius: 8px; background: #ffffffb3; color: #294d6d; font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
  .header .mobile-menu nav > a:hover { background: white; border-color: #456b94; }
  .header .mobile-menu nav > a.nav-cta { background: #e5eef7; }
}
@media (max-width: 400px) {
  .header > .brand { font-size: 20px; gap: 7px; }
  .header > .brand img { width: 28px; height: 28px; }
  .header .mobile-menu nav { grid-template-columns: 1fr; }
}