.mega-nav { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; }
.mega-nav__top { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.mega-nav__brand img { height: 48px; width: auto; }
.mega-nav__toggle { display: none; align-items: center; gap: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--ink); padding: 10px 14px; border-radius: 12px; font-weight: 600; cursor: pointer; }
.mega-nav__shell { width: 100%; }
.mega-nav__list { display: flex; align-items: center; gap: 12px; list-style: none; padding: 0; margin: 0; }
.mega-nav__item { position: relative; }
.mega-nav__link { display: inline-flex; align-items: center; gap: 6px; padding: 10px 12px; font-weight: 600; color: var(--ink); background: none; border: none; cursor: pointer; border-radius: 12px; }
.mega-nav__link:focus-visible, .dropdown__link:focus-visible, .submenu__link:focus-visible, .submenu-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.mega-nav__link .chevron { font-size: 12px; }
.mega-nav__link[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.dropdown { position: absolute; left: 0; top: calc(100% + 12px); min-width: 260px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 12px; display: none; z-index: 20; }
.dropdown.open { display: block; }
.dropdown__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.dropdown__item { position: relative; }
.dropdown__item-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.dropdown__link { display: inline-flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 10px; color: var(--ink); font-weight: 600; }
.dropdown__link:hover { background: rgba(15,23,42,0.05); }
.submenu-toggle { border: none; background: none; cursor: pointer; font-size: 14px; color: var(--ink); padding: 6px; border-radius: 8px; }
.submenu { position: absolute; left: calc(100% + 12px); top: 0; min-width: 240px; padding: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); display: none; }
.submenu.open { display: block; }
.submenu__link { display: block; padding: 8px 10px; border-radius: 10px; color: var(--ink); font-weight: 500; }
.submenu__link:hover { background: rgba(15,23,42,0.05); }
.mega-nav__cta { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: 12px; font-weight: 700; }
.nav-scrim { display: none; position: fixed; inset: 0; background: rgba(15,23,42,0.38); backdrop-filter: blur(2px); z-index: 15; }

/* Mobile */
@media (max-width: 900px) {
  .mega-nav { flex-direction: column; align-items: stretch; }
  .mega-nav__shell { display: none; position: fixed; inset: 0; background: var(--surface); padding: 16px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); z-index: 30; overflow-y: auto; }
  .mega-nav__shell.open { display: block; }
  .mega-nav__list { flex-direction: column; align-items: stretch; gap: 6px; }
  .mega-nav__item { width: 100%; }
  .mega-nav__link { width: 100%; justify-content: space-between; text-align: left; }
  .dropdown { position: static; box-shadow: none; border: none; padding: 6px 0 6px 12px; }
  .dropdown__link { width: 100%; padding: 8px 12px; }
  .submenu { position: static; border: none; box-shadow: none; padding: 4px 0 4px 16px; }
  .mega-nav__toggle { display: inline-flex; }
  body.nav-open .nav-scrim { display: block; }
  body.nav-open { overflow: hidden; }
}

/* Desktop hover interactions */
@media (min-width: 901px) {
  .has-dropdown:hover > .dropdown { display: block; }
  .has-dropdown:focus-within > .dropdown { display: block; }
  .has-dropdown:hover > .mega-nav__link { background: rgba(15,23,42,0.05); }
  .has-dropdown:focus-within > .mega-nav__link { background: rgba(15,23,42,0.05); }
  .dropdown__item.has-submenu:hover > .submenu { display: block; }
  .dropdown__item.has-submenu:focus-within > .submenu { display: block; }
}

/* Active state */
.mega-nav a.active, .mega-nav__link.active { color: var(--primary); }

/* Fallback simple nav */
[data-nav-container] .nav-fallback { display: block; }
[data-nav-container].nav-fallback-visible .nav-fallback { display: block; }