.bt-footer {
    background: #111;
    color: white;
    padding: 58px 0;
    border-top: 1px solid rgba(255,255,255,.08);
}

.bt-footer-container {
    width: min(1180px, calc(100% - 48px));
    margin: auto;
    display: grid;
    grid-template-columns: 1.3fr 1.2fr 1fr 1fr;
    gap: 42px;
}

.bt-footer h3,
.bt-footer h4 {
    text-transform: uppercase;
    font-weight: 900;
}

.bt-footer h4::after {
    content: "";
    display: block;
    width: 42px;
    height: 2px;
    background: #e2382d;
    margin-top: 12px;
}

.bt-footer p,
.bt-footer a {
    display: block;
    color: #aaa;
    text-decoration: none;
    margin-top: 12px;
}

.bt-footer a:hover {
    color: #e2382d;
}

.bt-footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 18px;
}

.bt-footer-socials a {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #e2382d;
    color: white;
    margin: 0;
}

@media (max-width: 900px) {
    .bt-footer-container {
        grid-template-columns: 1fr;
    }
}