/* Collaboration dropdown – shared across site pages */
.nav-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.nav-dropdown-trigger {
    font-family: var(--font-sans);
    font-size: var(--header-nav-size, 16px);
    font-weight: 400;
    color: var(--lu-dark-grey);
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease, font-size 0.25s ease;
    cursor: pointer;
    white-space: nowrap;
}

.nav-dropdown-trigger i {
    font-size: 10px;
    margin-left: 4px;
}

.nav-dropdown.is-open .nav-dropdown-trigger {
    color: var(--lu-dark-blue);
    border-bottom-color: var(--lu-dark-blue);
}

.nav-dropdown.active .nav-dropdown-trigger {
    color: var(--lu-dark-blue);
    border-bottom-color: var(--lu-dark-blue);
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--lu-white);
    border: 1px solid var(--lu-border);
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 40, 85, 0.12);
    padding: 8px 0;
    z-index: 1000;
}

/* Invisible bridge above the menu (menu width only — avoids overlapping the next nav item) */
.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 100%;
    height: 12px;
}

.nav-dropdown.is-open .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 15px;
    color: var(--lu-dark-grey);
    border-bottom: none;
}

.nav-dropdown-menu a:hover {
    background: var(--lu-bg-light);
    color: var(--lu-dark-blue);
    text-decoration: none;
}

.nav-dropdown-menu a.active {
    color: var(--lu-dark-blue);
    font-weight: 600;
    background: var(--lu-bg-light);
}

@media (max-width: 768px) {
    .nav-dropdown-menu {
        left: 50%;
        transform: translateX(-50%);
    }

    .nav-dropdown-menu::before {
        left: 0;
        right: 0;
        transform: none;
    }
}