.nav-item:has(+ .sub-menu) > a {
    position: relative;
    padding-right: 2.5rem !important; 
}

.nav-item:has(+ .sub-menu) > a::after {
    content: "";
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 6px solid currentColor;
    opacity: 0.5;
    transition: transform 0.25s ease;
}

.nav-item:has(+ .sub-menu.show) > a::after {
    transform: translateY(-50%) rotate(180deg);
}

@supports not (selector(:has(*))) {
    .nav-item > a[data-bs-target] {
        position: relative;
        padding-right: 2.5rem !important;
    }
    
    .nav-item > a[data-bs-target]::after {
        content: "";
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        width: 0;
        height: 0;
        border-left: 4px solid transparent;
        border-right: 4px solid transparent;
        border-top: 6px solid currentColor;
        opacity: 0.5;
        transition: transform 0.25s ease;
    }
    
    .nav-item > a[data-bs-target][aria-expanded="true"]::after {
        transform: translateY(-50%) rotate(180deg);
    }
}