header {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 2vw;
    display: flex;
    align-items: flex-end;
}

header * {
    flex: 1;
}

header nav ul {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
    list-style-type: none;
}

header nav ul li {
    flex: 0;
    min-width: fit-content;
}

header nav ul li a {
    text-transform: uppercase;
    text-decoration: none;
}

#logo img {
    max-width: 300px;
    margin-bottom: 2px;
}

#menu-icon {
    display: none;
}

@media only screen and (max-width: 860px) {
    header {
        display: initial;
        padding: 16px 2vw 0 2vw;
        text-align: center;
    }

    header #logo {
        margin-bottom: 16px;
    }

    header nav {
        width: 90%;
        margin: 0 auto;
    }

    header nav ul {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media only screen and (max-width: 600px) {      
    #menu-icon {
        display: initial;
    }
}

@media only screen and (max-width: 400px) {
    header {
        display: flex;
        flex-wrap: wrap;
        align-items: flex-start;
    }

    header * {
        flex: unset;
    }

    header #logo {
        flex-grow: 1;
        text-align: left;
    }

    header nav {
        position: relative;
        margin-top: -20px;
        flex-basis: 100%;
        transform: scaleY(0);
        transition: transform 0.15s;
        z-index: 2;
    }

    header nav ul {
        position: absolute;
        left: 0;
        right: 0;
        margin: 0 -8px;
        flex-wrap: wrap;
        padding-bottom: 10px;
        border: 3px solid var(--sm-near-black-color);
        border-bottom: 3px solid var(--sm-blue-color);
        background: var(--sm-near-black-color);
    }

    header nav ul li {
        flex-basis: 100%;
        margin: 3px 0;
    }

    header nav ul li a {
        width: 50%;
        padding: 10px 0;
    }

    header nav ul li a:after {
        border: none !important;
    }

/* ----- HAMBURGER MENU START ----- */
    #menu-icon {
        width: 8.5vw;
        height: 8.5vw;
        max-height: 32px;
        margin-top: 1px;
        margin-left: 10px;
        position: relative;
        transform: rotate(0deg);
        transition: all 0.15s;
        cursor: pointer;
        transform: scale(0.7);
    }

    #menu-icon span {
        display: block;
        position: absolute;
        height: 10%;
        width: 100%;
        background: #ffffff;
        opacity: 1;
        left: 0;
        transform: rotate(0deg);
        transition: all 0.15s;
    }

    #menu-icon.open span {
        width: 130%;
        margin-left: -14%;
    }

    #menu-icon.open + nav {
        transform: scaleY(1);
    }

    #menu-icon span:nth-child(1) {
        top: 0;
    }

    #menu-icon span:nth-child(2),
    #menu-icon span:nth-child(3) {
        top: 42%;
    }

    #menu-icon span:nth-child(4) {
        top: 84%;
    }

    #menu-icon.open span:nth-child(1) {
        top: 18px;
        width: 0%;
        left: 50%;
    }

    #menu-icon.open span:nth-child(2) {
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        transform: rotate(45deg);
    }

    #menu-icon.open span:nth-child(3) {
        -webkit-transform: rotate(-45deg);
        -moz-transform: rotate(-45deg);
        -o-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }

    #menu-icon.open span:nth-child(4) {
        top: 18px;
        width: 0%;
        left: 50%;
    }
/*  ----- HAMBURGER MENU END ----- */
}