@media (max-width: 992px) {
    .hero {
        height: 450px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 30px;
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .cta-title {
        font-size: 34px;
    }
}

@media (max-width: 768px) {
    .header-top {
        font-size: 12px;
    }
    
    .contact-info {
        gap: 16px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 140px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 140px);
        background-color: var(--bg-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 30px;
        box-shadow: var(--shadow-xl);
        transition: right 0.3s ease;
        gap: 20px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .cta-nav {
        width: 100%;
    }
    
    .cta-nav .btn-primary {
        width: 100%;
        justify-content: center;
    }
    
    .hero {
        height: 544px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons button {
        width: 80%;
        max-width: 300px;
    }
    
    .hero-nav {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    .hero-nav.prev {
        left: 10px;
    }
    
    .hero-nav.next {
        right: 10px;
    }
    
    .services,
    .products,
    .categories,
    .why-choose-us,
    .testimonials {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-slider {
        flex-direction: column;
        align-items: center;
    }
    
    .testimonial-card {
        max-width: 100%;
    }
    
    .cta {
        padding: 60px 0;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .cta-subtitle {
        font-size: 16px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 8px;
    }
    
    .logo span {
        font-size: 18px;
    }
    
    .hero {
        height: 485px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .btn-large {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .service-card,
    .product-card,
    .category-card {
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 24px;
    }
    
    .cta-subtitle {
        font-size: 14px;
    }
}