.lab-footer {
    background: #F8FAFA;
    padding: 80px 0 40px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h5 {
    font-size: 12px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 13px;
    color: #424245;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: #007aff;
}

.footer-logo {
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 14px;
    color: #424245;
    line-height: 1.6;
    margin-bottom: 16px;
}

.footer-address {
    font-size: 13px;
    color: #86868b;
    line-height: 1.8;
}

.footer-bottom {
    border-top: 1px solid #d2d2d7;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 12px;
    color: #86868b;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 12px;
    color: #424245;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #007aff;
}

/* Responsive */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-container {
        padding: 0 24px;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}