@media (max-width: 768px) {

    #header {
        flex-direction: column;
        padding: 20px;
        height: auto;
    }

    .header-left {
        justify-content: center;
        align-items: center;
    }

    .logo img {
        width: 320px;
        margin-top: 0;
        margin-bottom: 20px;
    }

    .header-right {
        width: 100%;
        align-items: center;
    }

    .contacts {
        font-size: 13px;
        flex-direction: column;
        align-items: center;
        margin-bottom: 20px;
    }

    .nav {
        gap: 20px;
        margin-bottom: 40px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav a {
        font-size: 14px;
    }

    .category-buttons {
        max-width: 100%;
        gap: 15px;
    }

    .category-btn {
        padding: 14px 20px;
        font-size: 16px;
    }

    .category-btn h1 {
        font-size: 16px;
    }

    .category-btn .icon {
        width: 50px;
        height: 50px;
        margin-right: 15px;
    }

    .icon img {
        width: 25px;
        height: 25px;
    }

    /* ABOUT */

    .about {
        padding: 40px 20px;
    }

    .about-us {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .text-about {
        flex-direction: column;
        max-width: 100%;
        gap: 20px;
    }

    .text-about h1 {
        font-size: 15px;
        text-align: center;
    }
    .manufactures {
        padding: 60px 20px;
    }

    .manufactures h2 {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .manufactures-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .manufacturer img {
        max-width: 120px;
    }

        .footer {
            padding: 40px 20px;
        }
    
        .footer-container {
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
    
        .footer-right {
            text-align: center;
            max-width: 100%;
        }
}