@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .company-name {
        font-size: 16px;
    }
    
    .about-text {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-section-title {
        font-size: 18px;
    }
    
    .about-list li {
        font-size: 14px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .company-name {
        font-size: 14px;
        margin-left: 10px;
    }
    
    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background-color: var(--dark-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 20px;
        transition: var(--transition);
        padding: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        font-size: 20px;
    }
    
    .nav-item-has-children {
        width: 100%;
        text-align: center;
    }
    
    .nav-submenu {
        position: static;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        box-shadow: none;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transform: none;
        padding: 0;
        margin-top: 10px;
    }
    
    .nav-item-has-children.submenu-active .nav-submenu {
        opacity: 1;
        visibility: visible;
        max-height: 500px;
    }
    
    .nav-submenu a {
        color: var(--white);
        padding: 15px 20px;
        font-size: 18px;
    }
    
    .nav-submenu a:hover {
        background-color: rgba(0, 102, 204, 0.3);
        padding-left: 25px;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 90px 0 80px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card {
        padding: 0;
    }

    .product-image-wrapper {
        height: 200px;
    }

    .product-content {
        padding: 25px 20px;
    }

    .product-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 15px;
    }

    .product-title {
        font-size: 20px;
    }

    .product-list li {
        font-size: 13px;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-detail-image {
        height: 200px;
    }
    
    .product-detail-info {
        padding: 20px;
    }
    
    .product-detail-title {
        font-size: 18px;
    }
    
    .product-detail-desc {
        font-size: 14px;
    }
    
    .product-detail-features li {
        font-size: 13px;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-product-image {
        min-height: 250px;
    }
    
    .modal-product-info {
        padding: 25px;
    }
    
    .modal-product-title {
        font-size: 22px;
    }
    
    .modal-product-desc {
        font-size: 14px;
    }
    
    .modal-product-features li {
        font-size: 13px;
    }
    
    .brands-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .brand-item {
        padding: 30px 15px;
    }
    
    .brand-list li {
        font-size: 12px;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .solution-card {
        padding: 0;
    }

    .solution-image {
        height: 180px;
    }

    .solution-content {
        padding: 25px 20px;
    }

    .solution-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 15px;
    }

    .solution-title {
        font-size: 18px;
    }

    .solution-list li {
        font-size: 13px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-tabs {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .news-tab {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .news-card {
        padding: 25px 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-line {
        width: 60px;
        height: 3px;
    }
    
    .product-icon {
        width: 60px;
        height: 60px;
    }
    
    .product-title {
        font-size: 20px;
    }
    
    .brands-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-icon {
        width: 60px;
        height: 60px;
    }
    
    .solution-title {
        font-size: 18px;
    }
    
    .news-date {
        padding: 8px 15px;
    }
    
    .news-date .day {
        font-size: 20px;
    }
    
    .news-title {
        font-size: 18px;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .contact-icon {
        margin: 0 auto;
    }
    
    .footer-bottom p {
        font-size: 12px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .brands-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 320px) {
    .hero-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 14px;
    }
}

@media print {
    .header,
    .hero,
    .contact-form,
    .footer-bottom {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
    }
    
    body {
        font-size: 12pt;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (hover: none) {
    .product-card:hover,
    .brand-item:hover,
    .solution-card:hover,
    .news-card:hover {
        transform: none;
    }
}