* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

body {
    overflow-x: hidden;
    min-height: 100vh;
}

header {
    width: 100%;
    height: 80px;
    background: #11101b;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 100px;
    position: absolute;
    z-index: 1000;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #fefefe;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 60%;
}

#logo {
    background-color: #fefefe;
}

.hamburger {
    display: none;
}

.nav-bar ul {
    display: flex;
}

.nav-bar ul li a {
    display: block;
    color: #fefefe;
    font-size: 20px;
    padding: 10px 25px;
    border-radius: 50px;
    transition: 0.2s;
    margin: 0 5px;
    -webkit-tap-highlight-color: transparent;
}

.nav-bar ul li a:hover {
    color: #11101b;
    background: #fefefe;
}

.nav-bar ul li a.active {
    color: #11101b;
    background: #fefefe;
}

.language-switcher {
    position: relative;
    margin-left: 20px;
}

.language-switcher select {
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid #ccc;
    background-color: white;
    font-size: 14px;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    min-width: 100px;
}

.language-switcher select:focus {
    outline: none;
    border-color: #666;
}

@media only screen and (max-width: 1320px) {
    header {
        padding: 0 50px;
    }
}

@media only screen and (max-width: 1100px) {
    header {
        padding: 0 30px;
    }

    .logo {
        font-size: 24px;
    }
}

@media only screen and (max-width: 900px) {
    header {
        padding: 0 20px;
    }

    .hamburger {
        display: block;
        cursor: pointer;
        text-align: center;
        background: #1b1b1b;
        height: 45px;
        width: 45px;
        border-radius: 3px;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .hamburger span {
        color: white;
        font-size: 28px;
        line-height: 45px;
    }

    .nav-bar {
        height: 0;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        width: 100vw;
        background: #11101b;
        transition: 0.3s ease-in-out;
        overflow: hidden;
        z-index: 999;
    }

    .nav-bar.active {
        height: 100vh;
    }

    .nav-bar ul {
        display: block;
        width: 100%;
        margin: 40px auto 0 auto;
        text-align: center;
        transition: 0.3s;
        opacity: 0;
        padding: 20px;
    }

    .nav-bar.active ul {
        opacity: 1;
    }

    .nav-bar ul li {
        margin: 20px 0;
    }

    .nav-bar ul li a {
        margin: 0;
        padding: 15px 25px;
        font-size: 18px;
        display: inline-block;
        min-width: 200px;
    }

    .language-switcher {
        position: relative;
        margin-left: 10px;
    }

    .language-switcher select {
        padding: 10px;
        font-size: 16px;
        min-width: 120px;
    }
}

@media only screen and (max-width: 480px) {
    header {
        padding: 0 15px;
    }

    .logo {
        font-size: 20px;
        max-width: 50%;
    }

    .hamburger {
        height: 40px;
        width: 40px;
    }

    .hamburger span {
        font-size: 24px;
        line-height: 40px;
    }

    .nav-bar ul li a {
        min-width: 180px;
        padding: 12px 20px;
        font-size: 16px;
    }

    .language-switcher select {
        padding: 8px;
        font-size: 14px;
        min-width: 100px;
    }
}