body {
    background-color: rgb(19, 19, 19);
}


/* Header */
header {
    background: #111;              /* Dunkler Hintergrund */
    padding: 15px ;
    padding-left: 40px;
    padding-right: 29%;

    display: flex;
    align-items: center;
    gap: 118px;                             /**/

    border-bottom: 1px solid #222;

    position: sticky;
    top: 0;

    font-family: Arial, sans-serif;
}

header img {
    height: 60px;
    width: auto;

    margin-right: auto; /* Schiebt Links nach rechts */
}

header a {
    color: #f5f5f5;
    text-decoration: none;

    font-size: 16px;
    font-weight: 500;

    transition: 0.2s ease;
}

header a:hover {
    color: #999;
}

header a:active {
    transform: scale(0.97);
}





h1 {
    margin-top: 3%;
    margin-left: 3%;

    font-family: Verdana, Geneva, Tahoma, sans-serif;
}



.google-forms {
    margin-left: 32%;
}

button {
    background-color: #fe8700ef;
    color: aliceblue;
    border-radius: 5px;

    text-align: center;
    justify-content: center;
    margin-top: 5%;
    position: relative;
    margin-left: 33%;
    margin-bottom: 1%;

    padding-bottom: 10px;
    padding-top: 10px;
    padding-left: 230px;
    padding-right: 230px;
}


.antworten a {
    color: aliceblue;
    text-decoration: none;
    font-size: large;
}

.antworten a:hover {
    color: #999;
}






p {
    color: #f5f5f5;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

zu {
    color: #757575;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: medium;
}

.passkey {
    margin-left: 3%;
}

.h1-passkey {
    color: #f5f5f5;
}




/*  RESPONSIVENESS  */



/* Tablet */
@media (max-width: 768px) {

    header {
        padding: 15px 20px;
        gap: 30px;
    }

    h1 {
        margin-top: 20px;
        margin-left: 20px;
        font-size: 1.8rem;
    }

    .google-forms {
        margin-left: 0;
        display: flex;
        justify-content: center;
    }

    .google-forms iframe {
        width: 100%;
        max-width: 700px;
    }

    button {
        width: 90%;
        max-width: 500px;

        margin: 40px auto 20px auto;
        display: block;

        padding: 12px 20px;
    }
}


/* Smartphone */
@media (max-width: 480px) {

    header {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
        text-align: center;
    }

    header img {
        height: 50px;
        margin-right: 0;
    }

    header a {
        display: block;
        margin: 5px 0;
    }

    h1 {
        font-size: 1.5rem;
        margin: 20px 15px;
    }

    .passkey {
        margin: 15px;
    }

    p,
    zu {
        font-size: 0.95rem;
    }

    .google-forms {
        margin: 0;
        padding: 10px;
    }

    .google-forms iframe {
        width: 100%;
        height: 600px;
    }

    button {
        width: calc(100% - 30px);

        margin: 30px 15px;

        padding: 12px;
    }
}