footer {
    border-top: 1px solid var(--color-light-gray);
    background-color: var(--color-white);
    padding: 64px 96px 80px;
    display: flex;
    gap: 32px;
    justify-content: space-between;
}

footer .footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

footer .footer-menu a {
    font-weight: 500;
    font-size: 1.125rem;
    line-height: 1.625rem;
    color: var(--color-black);
    text-decoration: none;
}

footer .footer-text {
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.5rem;
    color: var(--color-dark-gray);
    margin-bottom: 40px;
}

footer .socials {
    display: flex;
    justify-content: flex-start;
    gap: 28px;
    align-items: center;
}

footer .socials .color-icon {
    height: 20px;
    width: 20px;
}

footer .socials .icon {
    height: 20px;
    width: 20px;
    background-color: #D8D8D8;
}

.footer-nav {
    padding: 64px 72px 0;
    background-color: var(--color-white-gray);
    border-width: 1px 0;
    border-style: solid;
    border-color: var(--color-light-gray);
    display: flex;
    flex-wrap: wrap;
}

.footer-nav-menu {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 0 12px;
    margin-bottom: 64px;
}

.footer-nav-menu-title {
    display: block;
    font-weight: 500;
    font-size: 1.125rem;
    line-height: 1.625rem;
    color: var(--color-black);
    margin-bottom: 12px;
}

.footer-nav-menu-title a {
    text-decoration: none;
    color: var(--color-black);
}

.footer-nav-menu.open .footer-nav-menu-title:after {
    transform: translateY(-50%) rotate(45deg);
}

.footer-nav-menu ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

.footer-nav-menu ul li {
    padding: 2px 0;
}

.footer-nav-menu ul a {
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.5rem;
    color: var(--color-dark-gray);
    text-decoration: none;
}

.footer-copyright {
    padding: 24px 96px;
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.375rem;
    color: var(--color-black);
    opacity: 0.8;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 35px;
}

.footer-copyright ul {
    padding: 0;
    margin: 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 35px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-copyright ul a {
    color: var(--color-black);
}

@media (max-width: 900px) {
    footer {
        flex-wrap: wrap;
    }

    footer .footer-col:first-child, footer .footer-col:last-child {
        flex: 0 0 100%;
    }

    footer .footer-col:nth-child(2), footer .footer-col:nth-child(3) {
        flex: 0 0 calc(50% - 16px);
    }

    .footer-nav-menu {
        flex: 0 0 33.3333%;
        max-width: 33.3333%;
    }

    footer .socials .color-icon {
        width: 24px;
        height: 24px;
    }

    footer .socials .icon {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 850px) {
    .footer-copyright {
        flex-direction: column-reverse;
    }
}

@media (max-width: 700px) {
    .footer-copyright {
        padding: 24px 20px;
    }

    .footer-nav {
        padding: 9px 20px;
    }

    footer {
        padding: 64px 20px 80px;
    }

    .footer-nav-menu {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 500px) {
    .footer-nav-menu-title {
        padding: 16px 0;
        margin-bottom: 0;
        position: relative;
    }

    .footer-nav-menu-title:after {
        content: "";
        position: absolute;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        height: 20px;
        width: 20px;
        mask-position: center;
        -webkit-mask-position: center;
        mask-repeat: no-repeat;
        -webkit-mask-repeat: no-repeat;
        mask-size: contain;
        -webkit-mask-size: contain;
        mask-image: url("../img/icon/icon-faq-qMh3h65.svg");
        -webkit-mask-image: url("../img/icon/icon-faq-qMh3h65.svg");
        background-color: var(--color-black);
        transition: 0.2s;
    }

    .footer-nav-menu {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 0;
    }

    .footer-nav-menu ul {
        height: 0;
        overflow: hidden;
    }
}