.navbar {
    position: fixed;
    top: 0;
    z-index: 1;
    display: flex;
    width: 100%;
    height: 60px;
    background: var(--main-black);
    border-bottom: 0.2rem solid var(--detail-blue);

}

.navbar ul {
    display: flex;
    list-style: none;
    width: 100%;
    justify-content: center;
    align-items: center;
   
}

.navbar ul li {
    margin: 0 1rem;
    padding: 1rem;
}

.navbar ul li a {
    font-size: 1.5rem;
    text-decoration: none;
    text-transform: uppercase;
    transition: all 0.3s ease 0s;
    color: #f4f4f4;
}

.navbar ul li a:hover {
    color: var(--detail-blue);
}

.navbar ul ul {
    display: none;
    position: absolute;
    background: var(--main-black);
    width: 4rem;
    margin: 0;
    padding: 0;
  
}

.navbar ul li:hover>ul{
    display: block;
  
}

.navbar ul ul a {
    display: flex;
    align-items: center;
    justify-content: center;
}

.underscore::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: var(--detail-blue);
    transition: width 0.3s;

}

.underscore:hover::after {
    width: 100%;
    transition: width 0.3s;

}


@media (max-width: 780px){
    .navbar ul li {
        margin: 0 0.7rem;
        padding-left: 0.7rem;
    }

    .navbar ul li a {
        font-size: 1.2rem;  
    }
}

@media (max-width: 480px){
    .navbar ul li {
        margin: 0 0.5rem;
        padding-left: 0.5rem; 
        padding-right: 0.7rem;   
    }

    .navbar ul li a {
        font-size: 1rem;  
    }  

}

@media (max-width: 360px){
    .navbar {
        height: 55px;
    }

    .navbar ul li {
        margin: 0 0.3rem;
        padding-right: 0.5rem;   
    }
}