/* Планшеты */
@media (max-width: 1024px) {
    .fours-hero-title {
        font-size: 36px;
    }

    .fours-hero-subtitle {
        font-size: 18px;
    }

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

    .fours-products-grid {
        grid-template-columns: 1fr;
    }

    .fours-about-content,
    .fours-advantages-content,
    .fours-installation-content,
    .fours-contacts-content {
        flex-direction: column;
    }

    .fours-about-image,
    .fours-advantages-image,
    .fours-installation-image,
    .fours-contacts-image {
        margin-top: 30px;
    }

    .fours-contacts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

/* Мобильные устройства */
@media (max-width: 768px) {
    .fours-header-content {
        flex-direction: column;
        gap: 20px;
    }

    .fours-nav-list {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .fours-hero {
        min-height: auto;
        padding: 0;
    }

    .fours-hero .fours-container {
        padding: 40px 15px;
    }

    .fours-hero-content {
        flex-direction: column;
        text-align: center;
    }

    .fours-hero-text {
        max-width: 100%;
    }

    .fours-hero-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .fours-hero-title {
        font-size: 28px;
    }

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

    .fours-hero-stats {
        gap: 15px;
        padding: 20px 0;
    }

    .fours-hero-stat-number {
        font-size: 28px;
    }

    .fours-hero-stat-label {
        font-size: 12px;
    }

    .fours-hero-image-wrapper {
        transform: none;
    }

    .fours-hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .fours-btn {
        width: 100%;
    }

    .fours-section-title {
        font-size: 28px;
        padding-top: 40px;
    }

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

    .fours-about,
    .fours-features,
    .fours-products,
    .fours-advantages,
    .fours-installation,
    .fours-specifications,
    .fours-reviews,
    .fours-contacts {
        padding: 40px 0;
    }

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

    .fours-contact-card {
        padding: 25px;
    }

    .fours-contact-card-icon {
        width: 50px;
        height: 50px;
    }

    .fours-reviews-grid {
        grid-template-columns: 1fr;
    }

    .fours-footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .fours-container {
        padding: 0 15px;
    }
}

/* Маленькие мобильные устройства */
@media (max-width: 480px) {
    .fours-logo-text {
        font-size: 18px;
    }

    .fours-hero-title {
        font-size: 24px;
    }

    .fours-hero-subtitle {
        font-size: 14px;
    }

    .fours-hero-badge {
        font-size: 12px;
        padding: 6px 15px;
    }

    .fours-hero-stats {
        flex-direction: column;
        gap: 15px;
        padding: 15px 0;
    }

    .fours-hero-stat-number {
        font-size: 24px;
    }

    .fours-hero-stat-label {
        font-size: 11px;
    }

    .fours-hero-features {
        gap: 10px;
    }

    .fours-hero-feature-item {
        font-size: 14px;
    }

    .fours-hero-feature-icon {
        width: 20px;
        height: 20px;
        font-size: 12px;
    }

    .fours-hero-image-badge {
        top: 10px;
        right: 10px;
        padding: 8px 15px;
    }

    .fours-hero-image-badge-text {
        font-size: 12px;
    }

    .fours-section-title {
        font-size: 24px;
    }

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

    .fours-product-price {
        font-size: 24px;
    }

    .fours-advantages-subtitle,
    .fours-installation-subtitle,
    .fours-contacts-subtitle,
    .fours-specifications-subtitle {
        font-size: 20px;
    }

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