/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .features,
    .devices,
    .app-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantages-content,
    .detection-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .detection-zones {
        width: 250px;
        height: 250px;
    }
    
    .zone.outer {
        width: 250px;
        height: 250px;
    }
    
    .zone.middle {
        width: 150px;
        height: 150px;
        top: 50px;
        left: 50px;
    }
    
    .zone.inner {
        width: 75px;
        height: 75px;
        top: 87px;
        left: 87px;
    }
}