@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        padding: 30px;
    }

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

    .features::before,
    .features::after {
        opacity: 0.5;
    }

    .detail-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        height: auto;
        padding: 20px;
    }

    .nav ul {
        flex-direction: column;
        text-align: center;
    }

    .nav ul li {
        margin: 10px 0;
    }

    .hero h1 {
        font-size: 32px;
    }

    .feature-card {
        padding: 35px 25px;
    }

    .features {
        padding: 80px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 20px;
    }

    .features-list .container {
        grid-template-columns: 1fr;
    }

    .hero::before,
    .hero::after {
        display: none;
    }

    .product-details::before,
    .product-details::after {
        display: none;
    }

    .detail-item {
        padding: 30px;
    }

    .detail-item.reverse {
        direction: ltr;
    }

    .detail-content {
        padding: 0 20px;
    }

    .detail-image {
        order: -1;
        text-align: center;
    }

    .detail-image img {
        max-width: 300px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .faq-question h3 {
        font-size: 16px;
        padding-right: 20px;
    }

    .feature-icon {
        font-size: 48px;
        margin-bottom: 20px;
    }

    .feature-card h3 {
        font-size: 22px;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .feature-list li {
        padding-left: 30px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantage-item {
        padding: 30px 20px;
    }

    .advantage-icon {
        font-size: 40px;
        margin-bottom: 15px;
    }

    .advantage-item h3 {
        font-size: 20px;
    }

    .detail-header {
        margin-bottom: 15px;
    }

    .detail-icon {
        font-size: 28px;
        padding: 12px;
    }

    .detail-item h3 {
        font-size: 20px;
    }

    .detail-item p {
        font-size: 15px;
        margin-bottom: 20px;
    }

    .download-grid {
        flex-direction: column;
        gap: 40px;
    }

    .android-stores {
        gap: 15px;
    }

    .store-badge {
        height: 35px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .testimonial-card {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

    .cta-button {
        padding: 12px 30px;
    }

    .feature-card {
        min-height: 200px;
        padding: 25px 20px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero .subtitle {
        font-size: 16px;
    }

    .feature-icon {
        font-size: 40px;
        margin-bottom: 12px;
    }

    .feature-card h3 {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .feature-card p {
        font-size: 14px;
        max-width: 240px;
    }

    .detail-item {
        padding: 25px;
    }

    .detail-content h3 {
        font-size: 22px;
        padding-bottom: 10px;
    }

    .detail-content p {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .feature-list li {
        font-size: 14px;
        padding-left: 25px;
    }

    .faq-question {
        padding: 15px 20px;
    }

    .faq-answer {
        padding: 0 20px;
    }

    .faq-item.active .faq-answer {
        padding: 0 20px 15px;
    }

    .advantage-item {
        padding: 25px 20px;
    }

    .advantage-icon {
        font-size: 36px;
    }

    .advantage-item p {
        font-size: 14px;
    }

    .download-grid {
        gap: 30px;
    }

    .download-group h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .store-badge {
        height: 32px;
    }

    .android-stores {
        gap: 10px;
    }

    .testimonial-text {
        font-size: 14px;
    }

    .author-name {
        font-size: 16px;
    }

    .author-title {
        font-size: 12px;
    }
}