@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .technical-bg::before {
        width: 60vh;
        height: 60vh;
    }
    
    .hero {
        padding: 4rem 1rem 2rem;
    }
    
    .hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .showcase {
        padding: 4rem 1rem;
    }
    
    .features {
        padding: 4rem 1rem;
    }
    
    .footer {
        padding: 3rem 1rem 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .technical-bg::before {
        width: 50vh;
        height: 50vh;
    }
    
    .reg-mark {
        width: 8px;
        height: 8px;
    }
    
    .reg-mark.top-left,
    .reg-mark.bottom-left { 
        left: 10px; 
    }
    
    .reg-mark.top-right,
    .reg-mark.bottom-right { 
        right: 10px; 
    }
    
    .reg-mark.top-left,
    .reg-mark.top-right { 
        top: 10px; 
    }
    
    .reg-mark.bottom-left,
    .reg-mark.bottom-right { 
        bottom: 10px; 
    }
}