/* Планшеты и средние экраны */
@media (max-width: 1024px) {
    .foursCategory-container {
        padding: 0 15px;
    }

    .foursCategory-hero-title {
        font-size: 36px;
    }

    .foursCategory-hero-subtitle {
        font-size: 20px;
    }

    .foursCategory-section-title {
        font-size: 36px;
    }

    .foursCategory-products-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }

    .foursCategory-product-image {
        height: 150px;
    }

    .foursCategory-product-info {
        padding: 16px;
    }

    .foursCategory-product-title {
        font-size: 18px;
    }

    .foursCategory-product-description {
        font-size: 12px;
    }

    .foursCategory-product-price {
        font-size: 20px;
    }

    .foursCategory-tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }

    .foursCategory-application-content {
        gap: 40px;
    }

    .foursCategory-application-title {
        font-size: 24px;
    }

    .foursCategory-application-text {
        font-size: 15px;
    }
}

/* Планшеты */
@media (max-width: 768px) {
    .foursCategory-hero {
        padding: 80px 0 60px;
    }

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

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

    .foursCategory-hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .foursCategory-btn {
        width: 100%;
        max-width: 300px;
    }

    .foursCategory-advantages {
        padding: 60px 0;
    }

    .foursCategory-advantages-text-block {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 40px;
    }

    .foursCategory-advantages-subtitle {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .foursCategory-advantages-text {
        font-size: 16px;
    }

    .foursCategory-section-title {
        font-size: 32px;
        margin-bottom: 50px;
    }

    .foursCategory-products {
        padding: 60px 0;
    }

    .foursCategory-products-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .foursCategory-reviews {
        padding: 60px 0;
    }

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

    .foursCategory-contact {
        padding: 60px 0;
    }

    .foursCategory-contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }

    .foursCategory-contact-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .foursCategory-contact-card {
        padding: 30px 25px;
    }

    .foursCategory-contact-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }

    .foursCategory-contact-card-title {
        font-size: 18px;
    }

    .foursCategory-contact-link {
        font-size: 16px;
    }

    .foursCategory-contact-content {
        max-width: 100%;
    }

    .foursCategory-contact-info {
        transform: translateY(0);
    }

    .foursCategory-about {
        padding: 60px 0;
    }

    .foursCategory-about-main {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 60px;
    }

    .foursCategory-timeline {
        max-width: 100%;
        padding: 0 15px;
    }

    .foursCategory-timeline-article {
        grid-template-columns: 1fr;
        gap: 1.5em;
        grid-template-rows: auto;
    }

    .foursCategory-timeline-article:nth-child(odd) .foursCategory-timeline-content,
    .foursCategory-timeline-article:nth-child(odd) .foursCategory-timeline-image,
    .foursCategory-timeline-article:nth-child(even) .foursCategory-timeline-content,
    .foursCategory-timeline-article:nth-child(even) .foursCategory-timeline-image {
        grid-column: 1;
        grid-row: auto;
        justify-self: stretch;
    }

    .foursCategory-timeline-article:nth-child(odd) .foursCategory-timeline-image,
    .foursCategory-timeline-article:nth-child(even) .foursCategory-timeline-image {
        width: 100%;
        max-width: 100%;
    }

    .foursCategory-about-stats-wrapper {
        position: static;
        padding: 40px 30px;
    }

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

    .foursCategory-about-stat-number {
        font-size: 36px;
    }

    .foursCategory-about-values {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
        margin-top: 50px;
    }

    .foursCategory-tech {
        padding: 60px 0;
    }

    .foursCategory-application {
        padding: 60px 0;
    }

    .foursCategory-guarantee {
        padding: 60px 0;
    }

    .foursCategory-installation {
        padding: 60px 0;
    }
}

/* Мобильные устройства */
@media (max-width: 480px) {
    .foursCategory-container {
        padding: 0 10px;
    }

    .foursCategory-logo-text {
        font-size: 20px;
    }

    .foursCategory-phone-link {
        font-size: 16px;
    }

    .foursCategory-hero {
        padding: 100px 0 60px;
    }

    .foursCategory-hero-title {
        font-size: 24px;
        margin-bottom: 15px;
    }

    .foursCategory-hero-subtitle {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .foursCategory-btn {
        padding: 12px 25px;
        font-size: 14px;
    }

    .foursCategory-advantages {
        padding: 40px 0;
    }

    .foursCategory-advantages-text-block {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .foursCategory-advantages-subtitle {
        font-size: 22px;
        margin-bottom: 20px;
        padding-left: 18px;
    }

    .foursCategory-advantages-subtitle::before {
        width: 5px;
        height: 24px;
    }

    .foursCategory-advantages-text {
        font-size: 15px;
        padding-left: 18px;
        margin-bottom: 18px;
    }

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

    .foursCategory-products {
        padding: 40px 0;
    }

    .foursCategory-product-image {
        height: 140px;
    }

    .foursCategory-product-info {
        padding: 15px;
    }

    .foursCategory-product-title {
        font-size: 17px;
    }

    .foursCategory-product-description {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .foursCategory-product-price {
        font-size: 19px;
        margin-bottom: 12px;
    }

    .foursCategory-product-btn {
        padding: 10px 18px;
        font-size: 13px;
    }

    .foursCategory-product-title {
        font-size: 18px;
    }

    .foursCategory-product-description {
        font-size: 13px;
    }

    .foursCategory-product-price {
        font-size: 20px;
    }

    .foursCategory-reviews {
        padding: 40px 0;
    }

    .foursCategory-review-card {
        padding: 20px;
    }

    .foursCategory-review-text {
        font-size: 14px;
    }

    .foursCategory-contact {
        padding: 40px 0;
    }

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

    .foursCategory-contact-subtitle {
        font-size: 15px;
        margin-bottom: 30px;
        padding: 0 10px;
    }

    .foursCategory-contact-card {
        padding: 25px 20px;
    }

    .foursCategory-contact-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        margin-bottom: 15px;
    }

    .foursCategory-contact-card-title {
        font-size: 17px;
        margin-bottom: 12px;
    }

    .foursCategory-contact-link {
        font-size: 15px;
        margin-bottom: 8px;
    }

    .foursCategory-contact-card-note {
        font-size: 13px;
    }

    .foursCategory-contact-info {
        padding: 25px;
    }

    .foursCategory-contact-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .foursCategory-about {
        padding: 40px 0;
    }

    .foursCategory-about-header {
        margin-bottom: 50px;
    }

    .foursCategory-about-subtitle {
        font-size: 16px;
    }

    .foursCategory-about-main {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 50px;
    }

    .foursCategory-timeline {
        max-width: 100%;
        padding: 0 10px;
    }

    .foursCategory-timeline-article {
        grid-template-columns: 1fr;
        gap: 1em;
        grid-template-rows: auto;
    }

    .foursCategory-timeline-article:nth-child(odd) .foursCategory-timeline-content,
    .foursCategory-timeline-article:nth-child(odd) .foursCategory-timeline-image,
    .foursCategory-timeline-article:nth-child(even) .foursCategory-timeline-content,
    .foursCategory-timeline-article:nth-child(even) .foursCategory-timeline-image {
        grid-column: 1;
        grid-row: auto;
        justify-self: stretch;
    }

    .foursCategory-timeline-article:nth-child(odd) .foursCategory-timeline-image,
    .foursCategory-timeline-article:nth-child(even) .foursCategory-timeline-image {
        width: 100%;
        max-width: 100%;
    }

    .foursCategory-timeline-heading {
        font-size: 1.2em;
    }

    .foursCategory-timeline-time {
        font-size: 2em;
    }

    .foursCategory-timeline-image {
        width: 100%;
        max-width: 100%;
    }

    .foursCategory-about-main-content {
        gap: 35px;
    }

    .foursCategory-about-text-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .foursCategory-about-text {
        font-size: 15px;
    }

    .foursCategory-about-features {
        gap: 20px;
    }

    .foursCategory-about-feature {
        padding: 20px;
        gap: 20px;
    }

    .foursCategory-about-feature-number {
        font-size: 28px;
        min-width: 45px;
    }

    .foursCategory-about-feature-title {
        font-size: 18px;
    }

    .foursCategory-about-feature-text {
        font-size: 14px;
    }

    .foursCategory-about-stats-wrapper {
        padding: 30px 25px;
    }

    .foursCategory-about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .foursCategory-about-stat-item {
        padding: 25px 15px;
    }

    .foursCategory-about-stat-number {
        font-size: 32px;
    }

    .foursCategory-about-stat-label {
        font-size: 13px;
    }

    .foursCategory-about-values {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }

    .foursCategory-about-value-item {
        padding: 30px 25px;
    }

    .foursCategory-about-value-icon {
        font-size: 40px;
        margin-bottom: 15px;
    }

    .foursCategory-about-value-title {
        font-size: 18px;
    }

    .foursCategory-about-value-text {
        font-size: 13px;
    }

    .foursCategory-tech {
        padding: 40px 0;
    }

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

    .foursCategory-tech-card {
        padding: 25px 20px;
    }

    .foursCategory-tech-card-header {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }

    .foursCategory-tech-card-number {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .foursCategory-tech-card-title {
        font-size: 20px;
    }

    .foursCategory-tech-spec {
        padding: 12px;
    }

    .foursCategory-tech-spec-label {
        font-size: 12px;
    }

    .foursCategory-tech-spec-value {
        font-size: 14px;
    }

    .foursCategory-tech-card-description {
        font-size: 13px;
    }

    .foursCategory-application {
        padding: 60px 0;
    }

    .foursCategory-application-content {
        gap: 35px;
    }

    .foursCategory-application-title {
        font-size: 22px;
        text-align: center;
    }

    .foursCategory-application-text {
        font-size: 14px;
        line-height: 1.8;
        text-align: left;
    }

    .foursCategory-guarantee {
        padding: 40px 0;
    }

    .foursCategory-guarantee-text {
        font-size: 14px;
    }

    .foursCategory-installation {
        padding: 40px 0;
    }

    .foursCategory-installation-text {
        font-size: 14px;
    }

    .foursCategory-tech-grid,
    .foursCategory-application-content {
        grid-template-columns: 1fr;
    }
}

/* Очень маленькие экраны */
@media (max-width: 320px) {
    .foursCategory-hero-title {
        font-size: 20px;
    }

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

    .foursCategory-section-title {
        font-size: 20px;
    }

    .foursCategory-product-price {
        font-size: 18px;
    }
}

/* Ландшафтная ориентация на мобильных */
@media (max-width: 768px) and (orientation: landscape) {
    .foursCategory-hero {
        padding: 80px 0 60px;
    }

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

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

/* Высокие экраны */
@media (min-height: 900px) {
    .foursCategory-hero {
        padding: 200px 0 120px;
    }
}