.site-header{position:sticky;top:0;z-index:50;box-shadow:0 5px 16px rgba(0,0,0,.16)}
@media(max-width:640px){.topbar{align-items:flex-start;flex-wrap:wrap;padding:12px 0;gap:12px}.nav{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;overflow:visible}.nav a:not(.nav-cta){display:flex;align-items:center;justify-content:center;min-height:38px;padding:5px 3px;border:1px solid rgba(255,255,255,.2);font-size:.79rem;text-align:center;white-space:nowrap}.nav .nav-cta{grid-column:1/-1;min-height:38px;display:flex;align-items:center;justify-content:center;padding:5px 10px}}