.site-footer {
    position: relative;
    background-color: var(--color-dark);
    color: var(--color-white);
    padding-top: var(--space-2xl);
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.site-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
}

.footer-logo {
    height: 32px;
    width: auto;
    margin-bottom: var(--space-sm);
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: var(--text-small);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.footer-socials {
    display: flex;
    gap: var(--space-sm);
}

.footer-socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    transition: background-color var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out),
                transform var(--duration-fast) var(--ease-out);
}

.footer-socials a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-4px);
}

.footer-heading {
    font-size: var(--text-body);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-col ul li {
    font-size: var(--text-small);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-sm);
    line-height: 1.5;
}

.footer-col ul li a {
    display: inline-block;
    transition: color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.footer-col ul li a:hover {
    color: var(--color-white);
    transform: translateX(3px);
}

.footer-whatsapp {
    margin-top: var(--space-xs);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-block: var(--space-md);
}

.footer-bottom p {
    font-size: var(--text-caption);
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

@media (max-width: 991px) {
    .site-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 575px) {
    .site-footer-grid {
        grid-template-columns: 1fr;
    }
}