HTMLify

:root {
    --primary: #DD946F ;
    --primary-hover: #CD7D7C;                
    --background: #261E5A;
    --navbar-height: 60px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Poppins;
}

.background {
    display: block;
    width: 100vw;
    height: 100vh;
    background-image: url(background.jpg);
    opacity: 1;
    z-index: 1;
    background-size: cover;
    background-repeat: no-repeat;
}

.menu__wrapper {
    display: flex;
    position: relative;
    flex-direction: row;
    z-index: 2;   
}

.menu__bar {
    position: fixed;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
    padding-right: 24px;
    gap: 32px;
    background-color: var(--background);
    height: 60px;
    opacity: 0.9;
}

.menu-icon {
    cursor: pointer;
    display: flex;
    height: 32px;
    width: 32px;
}

.navigation {    
    display: flex;
    flex-direction: row;
    list-style-type: none;
    align-items: center;
    gap: 24px;
    padding: 0px;
    background-color: var(--background);
}

.logo {
    margin-left: 16px;
    width: 32px;
    height: 32px;
    cursor: pointer;
}
                    
.navigation > li {
  display: flex;
  position: relative;
  cursor: pointer;
  font-size: 1.25rem;
}

.navigation > li > a {
    color: white;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: 500;
    background-image: linear-gradient(
        to right,
        var(--primary-hover),
        var(--primary-hover) 50%,
        white 50%
    );
    background-size: 200% 100%;
    background-position: -100%;
    display: inline-block;
    padding: 3px 0;
    position: relative;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.2s ease-in-out;
}

.navigation > li > a:before {
    content: '';
    background: var(--primary-hover);
    display: block;
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    transition: all 0.2s ease-in-out;
}
  
.navigation > li > a:hover {
    background-position: 0;
}
/*  hover effect inspired by 
    https://codepen.io/team/css-tricks/pen/OJOXWPp
*/

.navigation > li > a:hover::before{
    width: 100%;
}

@media (min-width: 600px) {
    .menu-icon {
        display: none;
    }
}

@media (max-width: 600px) {
    
    .navigation {
        display: none;
    }

    .menu-icon {
        display: block;
    }

    .navigation--mobile {
        top: var(--navbar-height);
        position: absolute;
        right: 0px;
        display: flex;
        padding: 80px 60px;
        min-height: 100%;
        background-color: var(--background);       
        gap: 8px;
        flex-direction: column;
        align-items: flex-start;
        opacity: 0.95;
        animation: fadein 0.3s forwards;
    }

    @keyframes fadein {
        0% {
            opacity: 0;
            width: 0;
            height: 0;
        }
        100% {
            opacity: 1;
            width: 100%;
            height: calc(100vh - var(--navbar-height));
        }
    }

    .navigation--mobile--fadeout {
        animation: fadeout 300ms forwards;
    }

    @keyframes fadeout {
        0% {
            opacity: 1;
            width: 100%;
            height: calc(100vh - var(--navbar-height));
        }
        100% {
            opacity: 0;
            width: 0;
            height: 0;
        }
    }

}