#sec-1 {
    display: flex;
    justify-content: space-around;
    align-items: center;
    min-height: 22svh;
    /* Gradient: Dunkler Start -> dunkel Ende */
    background: linear-gradient(180deg, #3a3a3a 0%, #2f2f2f 100%);
    padding: 12vh 2rem;
}

h1 {
    display: block;
    text-align: center;
    margin: 0 auto;
}

#sec-1-content {
    max-width: 90ch;
    text-align: center;
    align-items: center;
}

@media(width <= 1600px) {
    #sec-1-content {
        max-width: 85ch;
    }
}

@media(width <= 900px) {
    #sec-1 {
        flex-direction: column;
        justify-content: center;
        padding: 8vh 1.5rem;
    }

    #sec-1 * {
        text-align: center;
    }

    #sec-1-content {
        max-width: 35rem;
        margin-bottom: 3rem;
    }
}