/* Split links retain direct navigation; chevrons disclose the topic lists. */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.desktop-nav{gap:16px}
.nav-group{position:relative;min-width:0}
.nav-heading{display:flex;align-items:center}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:28px;min-height:44px;padding:0;border:0;background:transparent;color:var(--ic-body);border-radius:3px}
.nav-toggle:hover{color:#0065b3;background:var(--ic-paper)}
.nav-toggle[aria-expanded="true"]{color:#0065b3;background:transparent}
.nav-chevron{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-top:-3px}
.is-open .nav-chevron{transform:rotate(225deg);margin-top:3px}
.nav-submenu{list-style:none;margin:0;padding:10px;border:1px solid var(--ic-rule);border-top:3px solid var(--ic-action);border-radius:0 0 6px 6px;background:#fff;box-shadow:0 12px 32px #172b3a1c;min-width:260px}
.desktop-nav .nav-submenu a{min-height:44px;white-space:normal;padding:10px 14px;line-height:1.5;font-size:.875rem;overflow-wrap:normal}
.desktop-nav .nav-submenu a:hover,.desktop-nav .nav-submenu a:focus-visible{background:var(--ic-paper);color:#0065b3;font-weight:500;border-radius:3px}
.desktop-nav .nav-group[data-active-group]>.nav-heading>a{color:#0065b3;font-weight:600}
.site-header .desktop-nav .nav-submenu{position:absolute;top:100%;left:0;width:300px;max-height:calc(100dvh - 130px);overflow-y:auto;z-index:1}
.site-header .desktop-nav .nav-group:last-of-type .nav-submenu{left:auto;right:0}
.site-header .desktop-nav .nav-submenu a[aria-current="page"]{background:var(--ic-paper);color:#0065b3}
.site-header .mobile-menu nav{gap:0}
.mobile-menu .nav-group{border-bottom:1px solid var(--ic-rule)}
.mobile-menu .nav-heading>a{flex:1;padding:8px 0;color:var(--ic-ink);font-weight:500}
.mobile-menu .nav-toggle{width:48px;min-height:48px}
.mobile-menu .nav-submenu{min-width:0;padding:0 0 12px 14px;margin:0 0 8px 0;border:0;border-left:2px solid var(--ic-rule);border-radius:0;box-shadow:none}
.site-header .mobile-menu .nav-submenu a{padding:8px 12px;font-size:.875rem;line-height:1.5;color:var(--ic-body)}
.site-header .mobile-menu .nav-submenu a:hover,.site-header .mobile-menu .nav-submenu a:focus-visible{color:#0065b3;background:var(--ic-paper)}
.mobile-menu [data-active-group]>.nav-heading>a{color:#0065b3}
.mobile-menu nav>.button{margin-top:16px;color:#fff;justify-content:center}
.mobile-menu .language{margin-top:12px}
/* Longer localized labels need the expanded menu before the header crowds. */
@media(max-width:1280px){.desktop-nav{display:none}.mobile-menu{display:block}.nav-inner{flex-wrap:wrap;min-height:84px;gap:0;padding-block:12px}}