@media (max-width: 639px) {
    
    .hero-section, .features-section, .architecture-section, 
    .contact-section {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }

    
    .navbar-container {
        padding: 1rem;
    }
    .logo-text {
        font-size: 1.1rem; 
    }
    
    
    .hero-title {
        font-size: 2.25rem; 
        padding: 0 0.5rem;
    }
    .hero-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
        margin-bottom: 2rem;
    }

    
    .cta-container {
        flex-direction: column;
        width: 100%;
        padding: 0 1rem;
    }
    .main-cta, .secondary-cta {
        width: 100%;
        display: flex;
        justify-content: center;
        text-align: center;
    }

    
    .demo-box {
        height: 250px; 
        margin-top: 1rem;
    }

    
    .features-grid, .architecture-grid {
        grid-template-columns: 1fr; 
        gap: 1.5rem;
    }
    
    
    .section-title {
        font-size: 1.75rem;
        padding: 0 1rem;
    }
}


@media (min-width: 640px) and (max-width: 1023px) {
    
    .hero-title {
        font-size: 3.5rem;
    }

    
    .features-grid, .architecture-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    
    .navbar-container {
        padding: 1rem 2rem;
    }
}


@media (max-width: 380px) {
    .hero-title {
        font-size: 1.8rem; 
    }
    .status-text {
        font-size: 0.75rem; 
    }
    .cta-button {
        padding: 0.4rem 0.8rem; 
        font-size: 0.7rem;
    }
}