nav {
    height: 80px;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0px 50px 0px 100px;
}

nav .logo {
    font-size: 33px;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    transition: all 0.5s ease;
}

nav ul li {
    margin: 0 5px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 1px;
    padding: 8px 10px;
    border-radius: 5px;
    transition: all 0.5s ease;
}

nav ul li a:hover,
nav ul li a.active {
    color: #1b1b1b;
    background: #fff;
}

nav .menu-btn {
    display: none;
}

nav .menu-btn div {
    width: 35px;
    height: 5px;
    background-color: #fff;
    margin: 6px 0;
    transition: 0.5s;
}

@media (max-width: 940px) {
    nav .menu-btn {
        display: inline-block;
        cursor: pointer;
    }
    
    nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        background: #111;
        height: 100vh;
        width: 30%;
        display: block;
        text-align: center;
        transition: all 0.5s ease;
    }

    nav ul li {
        margin: 40px 0;
    }

    nav ul li a {
        font-size: 20px;
    }

    nav ul li a:hover,
    nav ul li a.active {
        color: cyan;
        background: none;
    }

    .change .bar1 {
        transform: translate(0, 11px) rotate(-45deg);
    }
        
    .change .bar2 {
        opacity: 0;
    }
        
    .change .bar3 {
        transform: translate(0, -11px) rotate(45deg);
    }
    
    nav ul.active {
        left: 0;
    }
}