.navigation ul {
    display: flex;
    align-items: center;
    gap: 30px;

    list-style: none;
    margin: 0;
    padding: 0;
}

.navigation li {
    margin: 0;
    padding: 0;
}

.navigation a {
    position: relative;
    padding-bottom: 8px;
}

.navigation > ul > li:not(.has-submenu) > a::after{
    content: '';

    position: absolute;

    left: 0;
    bottom: 0;

    width: 0;
    height: 4px;

    background: linear-gradient(
        90deg,
        #fbbf24,
        #f59e0b
    );

    border-radius: 20px;

    transition: width .25s ease-in-out;
}

.navigation > ul > li:not(.has-submenu) > a:hover::after{
    width: 100%;
}


.has-submenu {
    position: relative;
}

.has-submenu ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    box-shadow: 0 3px 15px rgba(0,0,0,.15);
    padding: 10px 0;
    margin: 5px 0 0;
    list-style: none;
    z-index: 1000;
}

.has-submenu:hover ul {
    display: block;
}

.has-submenu ul li:hover{
    background-color:#f2f2f2;
}

.has-submenu ul li a {
    display: block;
    padding: 10px 15px;
}