/* Keep the shared navigation reachable while any page scrolls. */
.navbar.navbar-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
}
@media (max-width: 991px) {
    .navbar-main .navbar-collapse {
        max-height: 100vh;
        max-height: 100dvh;
        overflow-y: auto;
    }
}
/* Keep the collapsed mobile menu control visible on light sections too. */
.navbar-main.navbar-dark .navbar-toggler[aria-expanded="false"] .line {
    background-color: #757575;
}