footer {
    background: linear-gradient(25deg, #232324, #2f2f30, #293025);
    color: var(--white-color);
    padding: 2rem 1rem;
    position: relative;
    z-index: 0;
}

footer > div {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin: 1rem auto 0;
    max-width: var(--content-max-width);
}

footer > div > div {
    /*flex-basis: calc(25% - .75rem);*/ /* 3 Gaps bei 4 Spalten */
    flex-basis: calc(33.333% - .75rem); /* 2 Gaps bei 3 Spalten */
    flex-grow: 0;
    flex-shrink: 0;
}

footer > div > div h4 {
    color: var(--white-color);
    margin-bottom: .75rem;
}

footer > div > div h4 i {
    color: var(--white-color);
    margin-right: .6rem;
}

footer > div > div p + h4 {
    margin-top: 2rem;
}

footer > div > div a,
footer > div > div span,
footer > div > div address,
footer > div > div address *,
footer > div > div .social-links li a i {
    color: #999 !important;
    transition: var(--default-transition);
}

@media (hover: hover) and (pointer: fine) {
    footer > div > div a:hover,
    footer > div > div span:hover,
    footer > div > div .social-links li a:hover i {
        color: var(--white-color) !important;
    }
}

footer > div > div .social-links {
    margin: 0 -.5rem;
}

footer > div > div .social-links li {
    display: inline;
    margin: 0 .5rem;
}

footer > div > div .social-links li a {
    display: inline-block;
}

footer > div > div .social-links li a i {
    font-size: 2rem;
    transition: var(--default-transition);
}

footer > div > div address {
    font-style: inherit;
}

footer > span {
    border-top: 1px solid rgba(255, 255, 255, .06);
    color: #999;
    display: block;
    font-size: .85rem;
    margin: 2rem auto 0;
    opacity: .6;
    padding-top: 2rem;
    text-align: center;
    max-width: var(--content-max-width);
}

.layer {
    backdrop-filter: blur(.15rem);
    background-color: rgba(0, 0, 0, .8);
    display: none;
    height: 100%;
    left: 0;
    opacity: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: -1;
}

.layer.active {
    opacity: 1;
    transition: opacity .3s ease-in-out;
    z-index: 11; /* Eine Ebene über dem Header */
}

@media (max-width: 1023px) {
    footer > div {
        gap: 2rem 1rem;
        max-width: calc(100% - 2rem);
    }

    footer > div > div {
        flex-basis: calc(50% - .5rem); /* 1 Gap bei 2 Spalten */
    }

    .layer {
        display: block;
    }
}

@media (max-width: 575px) {
    footer {
        padding: 1rem;
    }

    footer > div {
        gap: 2rem;
        margin-top: 0;
        max-width: 100%;
    }

    footer > div > div {
        flex-basis: 100%; /* kein Gap bei 1 Spalte */
    }
}