@media screen and (min-width: 1199px) {}

@media screen and (max-width: 991px) {
    #header {
        position: relative;
        top: 0;
        height: auto;
        padding: 10px;
        background: #fff;
    }

    #header .container {
        border-radius: 0;
        padding: 0;
    }

    .main_menu,
    .opt-mobail ul li {
        display: none;
    }

    .opt-mobail ul li.hamburger {
        display: flex;
    }

    .is-closed {
        display: block;
    }

    .logo-site img {
        max-width: 140px;
    }

    .mmenu .main_menu {
        display: block;
    }

    .main_menu > li {
        margin-bottom: 20px;
    }

    .mmenu .main_menu > li .btn-site {
        width: 100%;
        height: 45px;
        text-align: center;
    }

    .home_txt {
        width: 100%;
    }

    .section_home {
        min-height: auto;
        padding: 40px 0;
    }

    .home_txt h1 {
        font-size: 35px;
    }

    .home_txt ul {
        flex-direction: column;
    }

    .lst-feat {
        gap: 10px;
        flex-direction: column;
    }

    .section_about {
        padding: 30px 0 60px;
    }

    .thumb-awareness {
        margin-top: 70px;
    }

    .lst-awer > div:nth-child(1) {
        left: 25%;
    }

    .lst-awer > div:nth-child(2) {
        left: 5%;
    }

    .lst-awer > div:nth-child(3) {
        left: 0%;
    }

    .lst-awer > div:nth-child(4) {
        left: 7%;
    }

    .thumb-awareness:before {
        width: 350px;
    }

    .thumb-awareness:after {
        top: 280px;
        left: 50px;
    }

    .section_methodology {
        padding: 0 0 60px;
    }

    .section_methodology .row {
        flex-direction: column-reverse;
    }

    .dta-projects {
        margin-bottom: 30px;
    }

    .avt-methodology {
        left: 0;
    }

    .section_systematic .container {
        position: relative;
        z-index: 1;
    }

    .section_systematic .sec_head {
        width: 100%;
    }

    .sec_head h2 {
        font-size: 25px;
    }

    .item-systematic {
        margin-bottom: 24px;
    }
    
    .section_research:before {
        width: 80px;
        height: 50px;
        top: 5px;
        left: 0;
    }

    .section_research {
        padding: 60px 0 0;
    }
    
    .txt-research p {
        width: 100%;
    }
    
    .item-plan {
        margin-bottom: 25px;
        height: auto;
    }
    
    .section_blogs {
        padding: 50px 0;
    }
    
    .section_blogs .container {
        position: relative;
        z-index: 1;
    }
    
    .item-blog {
        margin-bottom: 35px;
    }
    
    .cont-ft {
        margin-bottom: 25px;
    }
    
    .menu-ft {
        margin-bottom: 30px;
    }
    
}

@media screen and (max-width: 767px) {}

@media screen and (max-width: 500px) {}