footer {
    border-top: 1px solid black;
}

footer a {
    color: var(--accentColour);
    text-decoration: underline;
}

.footer .container {
    padding: 3em;
}

@media (max-width: 750px) {
    .footer .container {
        padding: 1em;
    }
}

.footer-contents .footer-upper {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
}

.footer-upper .contact-details {
    margin-bottom: 2em;
}

.footer-upper .social-links {
    margin-bottom: 2em;
}

.footer-contents .footer-upper {
    margin-bottom: 4em;
}

.footer-contents .footer-upper-left {
    grid-column: span 12;
}

.footer-contents .footer-upper-right {
    grid-column: span 12;
}

@media (min-width: 990px) {
    .footer-contents .footer-upper .footer-upper-left {
        grid-column: span 6;
    }
    .footer-contents .footer-upper .footer-upper-right {
        grid-column: span 6;
    }
}

.footer-upper-right .footer-link-columns {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
}

.footer-link-columns .footer-link-column {
    grid-column: span 12;
    margin-bottom: 0.5em;
}

@media (min-width: 576px) {
    .footer-link-columns .footer-link-column {
        grid-column: span 4;
    }
}

.footer-link-column .link-column-heading {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 1em;
}

.footer-link-column .footer-links {
    font-size: 14px;
    list-style: none;
    font-weight: 600;
    margin-top: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: 1em;
}

.footer-links li a {
    text-decoration: none;
}

.footer-contents .footer-lower {
    border-top: 1px black solid;
    padding-top: 2em;
    font-size: 14px;
}

.footer-contents .footer-lower-content {
    display: flex;
    flex-direction: column-reverse;
    gap: 1.5em;
}

@media (min-width: 768px) {
    .footer-contents .footer-lower-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }  
}

.footer-contents .footer-mailing-list {
    margin-top: 1em;
}

.footer-mailing-list .footer-mailing-heading {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 0.5em;
}

.footer-mailing-list .primary-button {
    display: inline-block;
    font-weight: 400;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 0.5em;
}

.footer-mailing-list input {
    margin-bottom: 0.5em;
}

.footer-mailing-list .privacy-policy-link {
    font-size: 12px;
}

.footer-lower-content .footer-small-links {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    gap: 1em;
}

@media (min-width: 768px) {
    .footer-lower-content .footer-small-links {
        flex-direction: row;
    }
}

.footer-lower-content .site-image-link {
    line-height: 0;
}