.site-footer {
    background: var(--brand-green);
    color: var(--brand-green-dark);
    padding: 48px 48px 40px;
}

.site-footer__grid {
    max-width: var(--brand-container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.site-footer__logo img {
    height: 70px;
    margin-bottom: 18px;
}

.site-footer__title {
    margin: 0 0 12px;
    font-size: var(--brand-font-md);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--brand-green-dark);
}

.site-footer__col p {
    margin: 4px 0;
    font-size: var(--brand-font-sm);
    line-height: 1.6;
    color: var(--brand-white);
}
.site-footer__col a {
    color: var(--brand-white);
    text-decoration: none;
}
.site-footer__col a:hover { opacity: 0.75; }

.site-footer__social {
    display: flex;
    gap: 10px;
    margin-top: 6px;
}
.site-footer__social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--brand-green-dark);
    color: var(--brand-green);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--brand-transition);
}
.site-footer__social a:hover { opacity: 0.85; }
.site-footer__social i {
    font-size: 18px;
    line-height: 1;
    display: block;
}
.site-footer__social i::before {
    display: block;
    line-height: 1;
}

@media (max-width: 900px) {
    .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 540px) {
    .site-footer { padding: 32px 20px 24px; text-align: center; }
    .site-footer__grid { grid-template-columns: 1fr; gap: 24px; justify-items: center; }
    .site-footer__col { display: flex; flex-direction: column; align-items: center; }
    .site-footer__logo img { margin: 0 auto 18px; }
    .site-footer__social { justify-content: center; }
}