@media only screen and (min-width: 0px) and (max-width: 640px) {
    .container {
        padding: 0 15px;
    }

    .mgt-150 {
        margin-top: 80px;
    }

    .header-main .navbar-matco-header {
        height: 80px;
        padding: 0 25px 0 20px;
    }

        .header-main .navbar-matco-header::before {
            clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 40px), calc(100% - 20px) 100%, 0 100%, 0 40px);
        }

        .header-main .navbar-matco-header .navbar-brand > img {
            width: 90px;
        }

        .header-main .navbar-matco-header .navbar-brand {
            margin-right: 0;
        }

        .header-main .navbar-matco-header .btn-change-lang {
            padding: 10px 15px;
            font-size: 12px;
            height: 35px;
        }

            .header-main .navbar-matco-header .btn-change-lang.show .dropdown-lang {
                top: 40px;
            }

            .header-main .navbar-matco-header .btn-change-lang::before {
                clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 8px) 100%, 0 100%, 0 15px);
            }

            .header-main .navbar-matco-header .btn-change-lang > img,
            .header-main .navbar-matco-header .btn-change-lang .list-lang img {
                height: 14px;
            }

            .header-main .navbar-matco-header .btn-change-lang .list-lang a {
                font-size: 10px;
            }

        .header-main .navbar-matco-header .btns-head .box-icon-menu {
            display: flex;
        }

        .header-main .navbar-matco-header .collapse {
            display: block;
            position: fixed;
            background: var(--bluecolor);
            left: -100%;
            top: 0;
            z-index: 999999;
            height: 100vh;
            overflow-y: auto;
            width: 280px;
            margin: 0;
            padding: 20px;
            clip-path: polygon(0 0, calc(100% - 35px) 0, 100% 65px, 100% 100%, 100% 100%, 0 100%, 0 100%);
            transition: all 0.4s;
        }

            .header-main .navbar-matco-header .collapse::after {
                content: "";
                background: url('../images/logo/logo-main.svg') no-repeat center center / 150px;
                width: 150px;
                height: 40px;
                position: absolute;
                bottom: 80px;
                right: 0;
                left: 0;
                margin: 0 auto;
                filter: brightness(0) invert(1) opacity(0.1);
            }

        .header-main .navbar-matco-header .navbar-nav .nav-item:not(:last-child) {
            margin: 0;
        }

        .header-main .navbar-matco-header .navbar-nav .nav-link {
            padding: 15px 0;
            color: var(--whitecolor);
        }

        .header-main .navbar-matco-header .navbar-nav .dropdown-toggle::after {
            position: absolute;
            right: 0px;
            top: 25px;
        }

        .header-main .navbar-matco-header .navbar-nav .dropdown .dropdown-menu {
            position: relative;
            height: 0;
        }

        .header-main .navbar-matco-header .navbar-nav .dropdown.show .dropdown-menu {
            height: auto;
            top: 0;
        }

        .header-main .navbar-matco-header .navbar-nav .nav-link:hover,
        .header-main .navbar-matco-header .navbar-nav .dropdown.show .nav-link {
            color: var(--whitecolor);
        }

        .header-main .navbar-matco-header .navbar-nav .nav-link::before {
            bottom: 40px;
            height: 2px;
        }

        .header-main .navbar-matco-header .collapse.show {
            left: 0;
        }

    .content-main .slideshow-matco {
        height: 100vh;
    }

        .content-main .slideshow-matco .swiper-button > i,
        .content-main .slideshow-matco .swiper-button {
            height: 100px;
        }

            .content-main .slideshow-matco .swiper-button > i {
                background-color: var(--whitecolor);
                color: var(--textcolor);
            }

            .content-main .slideshow-matco .swiper-button.swiper-slider-next {
                right: 0;
            }

            .content-main .slideshow-matco .swiper-button.swiper-slider-prev {
                left: 0;
            }

                .content-main .slideshow-matco .swiper-button.swiper-slider-prev > i {
                    clip-path: polygon(100% 0, calc(100% - 12px) 0, 100% 22.75px, 100% 100%, 0 100%, 0 0);
                }

            .content-main .slideshow-matco .swiper-button.swiper-slider-next > i {
                clip-path: polygon(12px 0, 100% 0, 100% 0, 100% 100%, 0 100%, 0 22.75px);
            }

        .content-main .slideshow-matco .swiper-slide {
            align-items: center;
            justify-content: center;
            text-align: center !important;
        }

            .content-main .slideshow-matco .swiper-slide .img-sldie {
                height: auto !important;
                width: 150%;
                padding-bottom: 250px;
            }

            .content-main .slideshow-matco .swiper-slide .content-slide {
                top: auto;
                bottom: 80px;
                right: 0 !important;
                left: 0 !important;
            }

                .content-main .slideshow-matco .swiper-slide .content-slide .title-main {
                    text-align: center;
                    font-size: 60px;
                    line-height: 50px;
                }

                    .content-main .slideshow-matco .swiper-slide .content-slide .title-main > span:first-child {
                        font-size: 80px;
                    }

                .content-main .slideshow-matco .swiper-slide .content-slide .desc {
                    width: 100%;
                    text-align: center;
                    font-size: 20px;
                    line-height: normal;
                }

                .content-main .slideshow-matco .swiper-slide .content-slide .title-main::before {
                    right: 0 !important;
                    left: 0 !important;
                    margin: 0 auto;
                    background-size: 80px;
                    top: -80px;
                }

    .content-main .about-matco .image-about .box-image {
        height: 400px;
        margin-bottom: 40px;
    }

        .content-main .about-matco .image-about .box-image::after {
            background-size: 150px;
            height: 50px;
            bottom: 30px;
        }

    .content-main .about-matco .content-about {
        padding-left: 15px;
    }

    .content-main .packaging-matco .head-content-matco,
    .content-main .products-pack .head-content-matco {
        flex-direction: column;
        align-items: flex-start;
    }

    .head-content-matco {
        flex-direction: column;
        align-items: flex-start;
    }

    .title-sec-matco {
        font-size: 35px;
        line-height: 30px;
        padding: 100px 0 10px 55px;
        margin-bottom: 30px;
    }

        .title-sec-matco::before {
            width: 40px;
        }

        .title-sec-matco::after {
            background-size: 35px;
            width: 35px;
            height: 35px;
        }

    .head-content-matco .btn-more-matco {
        width: 100%;
    }

    .content-main .about-matco .content-about .text-desc-matco {
        margin-top: 20px;
    }

    .text-desc-matco {
        font-size: 16px;
        line-height: 30px;
    }

    .content-main .about-matco .box-statistics {
        margin-top: 40px;
        height: 100px;
        clip-path: polygon(25px 0, 100% 0, 100% calc(100% - 50px), calc(100% - 25px) 100%, 0 100%, 0 50px);
    }

        .content-main .about-matco .box-statistics .item-stat {
            padding: 0 30px;
        }

            .content-main .about-matco .box-statistics .item-stat .count {
                font-size: 40px;
                width: 60px;
            }

            .content-main .about-matco .box-statistics .item-stat .title {
                font-size: 14px;
            }

    .content-main .packaging-matco .text-desc-matco {
        padding: 20px 0 0;
    }

    .content-main .packaging-matco .box-pack-style {
        padding: 30px;
    }

    .content-main .packaging-matco .item-pack:nth-child(even) .box-pack-style {
        clip-path: polygon(0 0, calc(100% - 35px) 0, 100% 67px, 100% 100%, 100% 100%, 0 100%, 0 100%);
    }

    .content-main .packaging-matco .item-pack:nth-child(odd) .box-pack-style {
        clip-path: polygon(35px 0, 100% 0, 100% 0, 100% 100%, 100% 100%, 0 100%, 0 67px);
    }

    .content-main .packaging-matco .item-pack.col-lg-5 .img-pack {
        height: 200px;
    }

    .content-main .products-pack {
        padding: 40px 0;
    }

        .content-main .products-pack .title-sec-matco {
            margin-bottom: 40px;
        }

        .content-main .products-pack .list-pack-icons .row-list .box-pack {
            width: 80px;
            height: 80px;
        }

            .content-main .products-pack .list-pack-icons .row-list .box-pack > img {
                width: 40px;
            }

        .content-main .products-pack .list-pack-icons {
            height: 170px;
        }

    .content-main .support-matco .image-support > img {
        display: none;
    }

    .content-main .support-matco .content-support {
        padding: 40px 30px 40px 30px;
    }

    .content-main .support-matco .certificates {
        margin-top: 30px;
        padding: 0;
    }

        .content-main .support-matco .certificates img {
            width: 50px;
        }

    .content-main .support-matco .item-spt .title-spt > .spt-icon {
        width: 50px;
        margin-right: 15px;
    }

    .content-main .support-matco .item-spt .title-spt .title {
        font-size: 20px;
    }

    .content-main .support-matco .item-spt .title-spt .sub-title {
        font-size: 14px;
    }

    .content-main .support-matco .item-spt .desc-spt {
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 0;
    }

    .content-main .news-matco .row {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .content-main .news-matco .item-news {
        -ms-flex: 0 0 120%;
        flex: 0 0 120%;
        max-width: 120%;
    }

    .content-main .news-matco .box-news .image {
        height: 250px;
    }

    .content-main .news-matco .box-news .content .title {
        font-size: 25px;
    }

    .content-main .news-matco .box-news .content .sub-title {
        font-size: 12px;
    }

    .content-main .news-matco .box-news .content .desc {
        font-size: 16px;
    }

    .footer-main {
        padding-top: 40px;
    }

        .footer-main .about-footer {
            padding: 40px 0;
        }

        .footer-main .contact-footer {
            flex-direction: column;
            height: auto;
            padding: 20px 40px;
        }

            .footer-main .contact-footer .image-star {
                display: none;
            }

            .footer-main .contact-footer .title {
                text-align: center;
                font-size: 30px;
                line-height: 30px;
            }

            .footer-main .contact-footer .btn-more-matco {
                flex-shrink: 0;
                margin-top: 20px;
            }

        .footer-main .about-footer .quick-access {
            padding-left: 15px;
        }

        .footer-main .about-footer .map-matco {
            padding-left: 15px;
            margin-top: 40px;
        }

        .footer-main::before {
            height: 150px;
            bottom: -40px;
        }

        .footer-main .about-footer .logo-about {
            margin-bottom: 40px;
        }

            .footer-main .about-footer .logo-about .logo-main {
                height: 35px;
            }

            .footer-main .about-footer .logo-about .matco {
                height: 15px;
            }

        .footer-main .about-footer .item-info:not(:last-child) {
            margin-bottom: 20px;
        }

        .footer-main .about-footer .item-info .title-box > i {
            margin-right: 15px;
        }

        .footer-main .about-footer .title-list,
        .footer-main .about-footer .item-info .title-box > i {
            font-size: 28px;
        }

        .footer-main .about-footer .title-list {
            margin-top: 40px;
        }

        .footer-main .about-footer .list-links {
            margin: 20px 0 0;
        }

            .footer-main .about-footer .list-links li:not(:last-child) {
                margin-bottom: 15px;
            }

        .footer-main .about-footer .item-info .title-box,
        .footer-main .about-footer .item-info .desc,
        .footer-main .copyright-footer .company .fullname {
            font-size: 20px;
        }

        .footer-main .about-footer .item-info .address,
        .footer-main .copyright-footer .policy {
            font-size: 16px;
        }

        .footer-main .about-footer .list-links li a {
            font-size: 18px;
        }

        .footer-main .copyright-footer .company .creator {
            font-size: 12px;
        }

        .footer-main .copyright-footer {
            padding: 20px 0;
            flex-direction: column;
            text-align: center;
        }

            .footer-main .copyright-footer .policy {
                margin-top: 10px;
            }
}