@media(min-width: 1200px) and (max-width: 1500px){
    .container_sec_3_left,
    .container_sec_3_right{
        max-width: 1260px;
    }
}

@media(min-width: 1440px){
    /* header */
        .hero_child_left h1 {
            font-size: 4rem;
        }
}

@media(min-width: 1560px){
    .container_sec_3_left{
        margin-left: auto;
        padding-left: var(--bs-gutter-x,.75rem);
        padding-right: var(--bs-gutter-x,.75rem);
    }
    .container_sec_3_right{
        margin-right: auto;
        padding-left: var(--bs-gutter-x,.75rem);
        padding-right: var(--bs-gutter-x,.75rem);
    }
}

@media(min-width: 992px){
    /* header */
        header {
            min-height: 56vw;
        }
}

@media(min-width: 1441px){
    /* header */
        header {
            min-height: 60vw;
        }
}

@media(min-width: 1441px){
    .site_h2{
        font-size: 2.4rem;
    }
    .site_txt_xxl{
        font-size: 20px;
    }
    /* header - footer */
        .site_nav{
            padding-top: 15px;
            padding-bottom: 15px;
        }
        .site_logo {
            width: 70px;
        }
        .navbar_brand span{
            font-size: 24px;
        }
        .navbar_collapse ul a{
            font-size: 18px;
        }
        .drop_box{
            min-width: 12rem;
        }
        .nav_poster_btn {
            padding: 16px 30px;
        }
        .hero_child_left h1 {
            font-size: 4rem;
        }
        .hero_btn {
            width: 200px;
            height: 75px;
        }
        /* ---footer */
            .footer_content_wrapper{
                position: relative;
            }
            .footer_right {
                position: absolute;
                top: 15px;
                left: 0;
                right: 0;
                margin-left: auto;
                margin-right: auto;
            }
            .footer_appStore_logo img{
                height: 75px;
            }
            .footer_left_img span,
            .footer_right span{
                font-size: 24px;
            }
            .footer_img_icon a img {
                height: 35px;
            }
            .footer_left_img img {
                max-width: none;
                width: 70px;
            }

}

@media(min-width: 1500px){
    .container_xxl {
        max-width: 90%;
    }
}

@media(min-width: 1600px){
    /* header */
        header {
            min-height: 950px;
        }
}

@media(min-width: 1700px){
    /* header */
        header {
            min-height: 970px;
        }
}

@media(min-width: 1800px){
    .site_h2{
        font-size: 2.6rem;
    }
    /* header */
        header {
            min-height: 1000px;
        }
        .hero_btn {
            width: 240px;
            height: auto;
            aspect-ratio: 1 / .35;
        }
        .site_nav{
            padding-top: 15px;
            padding-bottom: 15px;
            margin-bottom: 20px;
        }

    /* contact us */
        .form_box{
            max-width: 900px;
            padding:  110px 45px 110px 45px;
            margin-bottom: 70px;
        }
        .input__sm {
            min-height: 70px;
            font-size: 20px;
        }
        .textarea__md {
            min-height: 160px !important;
            font-size: 20px;
        }
}

@media(min-width: 1900px){
    /* header */
        header {
            min-height: 1035px;
        }
}

@media(min-width: 2000px){
    /* header */
        header {
            min-height: 1100px;
        }
}

@media(min-width: 2200px){
    .site_h2{
        font-size: 2.8rem;
    }
}

@media(max-width: 1300px){
    header {
        min-height: fit-content;
        padding-bottom: 35vw;
    }
}

@media(min-width: 1200px){
    /* sec 2  */
        .phone_sec_1::after {
            top: 22%;
        }
}

@media(max-width: 1200px){
    /* header */
        .box_slide img{
            width: 85%;
        }
        .phone_box{
            top: 12px;
            height: 96%;
        }
        .hero_child_left h1{
            font-size: 2.8rem;
        }
    /* forms */
        .form_box{
            padding: 50px 30px;
        }

    /* wrap 3 sections */
        .container_sec_3_left,
        .container_sec_3_right{
            width: 100%;
            max-width: none;
        }
        .row_sec_3 {
            min-height: 500px;
        }
        .sec_3_img_box {
            width: 50%;
        }
        .sec_3_txt_box_right{
            transform: translateX(-50px);
            -webkit-transform: translateX(-50px);
            -moz-transform: translateX(-50px);
            -ms-transform: translateX(-50px);
            -o-transform: translateX(-50px);
        }
        .sec_3_txt_box_left{
            transform: translateX(50px);
            -webkit-transform: translateX(50px);
            -moz-transform: translateX(50px);
            -ms-transform: translateX(50px);
            -o-transform: translateX(50px);
        }

    /* FOOTER */
        .footer_right {
            margin: 0 auto;
        }
}

@media(max-width: 1150px){
    /* sec 2  */
        .phone_sec_1::after {
            top: 23%;
        }
}

@media(max-width: 1050px){
    /* sec 2  */
        .phone_sec_1::after {
            top: 21%;
        }
}

@media(max-width: 992px){
    .pad_lg{
        padding-left: 35px;
        padding-right: 35px;
    }
    .site_h2{
        font-size: 2rem;
    }

    /* header */
        .site_nav{
            box-shadow: 0 1px 6px #a7a7a7;
        }
        .navbar_collapse{
            visibility: hidden;
            opacity: 0;
            display: block !important;
            position: absolute;
            background: #fff !important;
            padding-top: 20px;
            top: 78px;
            right: -50px;
            width: 240px;
            max-width: 350px;
            min-height: 600px;
            box-shadow: -3px 3px 8px #a7a7a7;
            transition: all .2s ease-in-out;
            -webkit-transition: all .2s ease-in-out;
            -moz-transition: all .2s ease-in-out;
            -ms-transition: all .2s ease-in-out;
            -o-transition: all .2s ease-in-out;
            z-index: 99;
        }
        .navbar_collapse a{
            text-align: center;
        }
        .navbar_collapse li.nav-item a:hover{
            background: #0474f7;
            color: #fff !important;
        }
        .nav__btn{
            display: block;
            margin: 0 auto;
            margin-top: 20px;
        }
        .drop_box{
            opacity: 1;
            display: none !important;
            transform: translateY(0);
        }
        .drop_box_active{
            display: block !important;
        }
        .hero_child_left h1{
            font-size: 2.6rem;
        }
        .hero_child_left h1 br{
            display: none !important;
        }
        .hero_child_right img {
            width: 80%;
            max-width: 350px;
        }
    /* wrap 3 sections */
        .container_sec_3_left,
        .container_sec_3_right{
            width: 100%;
            max-width: none;
        }
        .row_sec_3 {
            min-height: 400px;
        }
        .sec_3_img_box{
            padding: 20px;
        }
        .sec_3_img_box img {
            display: block;
            margin: 0 auto;
        }
        .sec_3_txt_box_right {
            padding-left: 20px;
            transform: translateX(0);
            -webkit-transform: translateX(0);
            -moz-transform: translateX(0);
            -ms-transform: translateX(0);
            -o-transform: translateX(0);
        }
        .sec_3_txt_box_left {
            padding-right: 20px;
            transform: translateX(0);
            -webkit-transform: translateX(0);
            -moz-transform: translateX(0);
            -ms-transform: translateX(0);
            -o-transform: translateX(0);
        }


    /* GRID SECTION 1 */
        .grid_content_wrapper {
            text-align: center;
            justify-content: center;
        }
        .grid_item {
            width: 48%;
            margin-right: auto;
            margin-left: auto;
            margin-bottom: 20px;
        }

    /* AI/PHONES SECTION */
        .phone_sec_1::after ,
        .phone_sec_2::after {
            display: none;
        }

        .left_img_content {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
            /*margin-bottom: 35px;*/
        }

        .right_img_content {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
            /*margin-bottom: 35px;*/
        }

        .img_content_wrapper {
            text-align: center;
        }

        .img_content_reverse_responsive {
            flex-direction: column-reverse;
        }

        .phone_content_left > img {
            max-width: none;
            width: 36%;
            display: block;
            margin: 0 auto;
            margin-bottom: 25px;
        }
    /* AI/PHONES SECTION END */
}

@media(max-width: 950px){
    .form_box_child{
        flex-wrap: wrap;
    }
    .form_box h2 {
        width: 100%;
    }
    .form_box_child form {
        padding-left: 0;
    }
}

@media(max-width: 900px){
        .box_slide img{
            width: 80%;
        }
        .phone_box {
            top: 14px;
            height: 94%;
        }
}

@media(max-width: 850px){
    /* wrap 3 sections */
        .sec_3_img_box img {
            height: auto;
            max-height: 90%;
        }
    /* footer */
        .footer_left,
        .footer_right,
        .footer_appStore_logo {
            width: 100%;
            display: flex;
            justify-content: center;
        }
        .footer_icons_wrapper{
            margin: 20px auto;
            margin-bottom: 40px;
        }
        .footer_appStore_logo{
            margin-bottom: 20px;
        }
        .footer_bottom {
            padding-bottom: 0;
        }
}

@media(max-width: 800px){
    .phone_box {
        top: 15px;
        height: 92%;
    }
    /* wrap 3 sections */
    .row_sec_3 {
        min-height: fit-content;
    }
    .sec_3_img_box {
        position: static;
        width: 90%;
        max-width: 380px;
        margin: 0 auto;
        border-radius: 10px;
        -webkit-border-radius: 10px;
        -moz-border-radius: 10px;
        -ms-border-radius: 10px;
        -o-border-radius: 10px;
    }
    .sec_3_img_box img{
        width: 100%;
    }
    .sec_3_txt_box_right {
        padding-left: 0;
        text-align: center;
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .sec_3_txt_box_left {
        padding-right: 0;
        text-align: center;
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .row_sec_3_right{
        flex-direction: column-reverse;
    }
    .hero_child_right img {
        width: 80%;
        max-width: 300px;
    }
}

@media(max-width: 768px){
    .phone_box {
        max-width: 171px;
    }
    .pad_lg{
        padding-left: 30px;
        padding-right: 30px;
    }
    .site_h2{
        font-size: 1.8rem;
    }
    .br_r_992 br{
        display: none !important;
    }
    /* header */
        .hero_child_left h1 {
            font-size: 2rem;
        }
        .box_slide img{
            width: 75%;
            max-width: none;
        }
        header {
            padding-bottom: 500px;
            background-size: 1400px, cover;
            background-position: bottom center;
        }
        .hero_child_left h1{
            font-size: 2.4rem;
        }
    /* AI/PHONES SECTION */
        .phone_content_left > img {
            width: 90%;
            max-width: 280px;
            margin-bottom: 20px;
        }
        .translate_ai_phones {
            margin-top: -50px;
        }
    /* contact us */
        .form_box_child{
            flex-direction: column;
        }
        .form_box_child form{
            padding-left: 0;
        }
        .form_box_child p br{
            display: none;
        }
        .form_box{
            background-size: cover;
            padding: 50px 30px;
        }
    /* FOOTER */
        .footer_content_wrapper {
            flex-direction: column;
            align-items: center;
        }
        .footer_left {
            width: 95%;
            margin-bottom: 0;
            text-align: center;
        }
        .footer_right {
            width: 25%;
            align-items: center;
        }
        .footer_left_img {
            justify-content: center;
        }
        .footer_right strong{
            text-align: center;
            margin-bottom: 10px;
        }
        .footer_bottom {
            padding-bottom: 0;
        }
    /* GRID SECTION 1 */
        .grid_item {
            width: 90%;
            margin-bottom: 30px;
        }
        .grid_inner_icon img{
            height: 50px;
        }
}

@media(max-width: 700px){
    /* header */
        /* header {
            background-size: 1500px, cover;
            background-position: bottom center;
        } */
    }

@media(max-width: 680px){
    .phone_box {
        top: 16px;
        height: 91%;
    }
}

@media(max-width: 630px){
    .phone_box {
        top: 18px;
        height: 90%;
    }
}

@media(max-width: 600px){
    .phone_box {
        top: 19px;
        height: 88.5%;
    }
}


@media(max-width: 567px){
    .pad_lg{
        padding-left: 25px;
        padding-right: 25px;
    }
    /* header */
        .navbar_brand span{
            display: none;
        }
        .site_logo{
            width: 40px;
        }
        .navbar_collapse {
            top: 69px;
        }
        .hero_child_left h1{
            font-size: 2.2rem;
        }
    /* GRID SECTION 1 */
        .grid_item {
            width: 95%;
            margin-bottom: 30px;
        }
    /* wrap 3 sections */
        .wrap_3_section h2 br{
            display: none !important;
        }
    /* contact us */
        .form_box {
            padding: 40px 20px;
            padding-bottom: 30px;
        }
        .form_bottom{
            flex-direction: column;
        }
        .form_bottom button{
            margin-bottom: 20px;
        }
}

@media(max-width: 565px){
    .phone_box {
        top: 19px;
        height: 88.7%;
    }
}

@media(max-width: 510px){
    .phone_box {
        top: 19px;
        height: 87.8%;
    }
}

@media(max-width: 480px){
    .pad_lg{
        padding-left: 20px;
        padding-right: 20px;
    }

    .hero h1 {
        font-size: 40px !important;
    }
}

@media(max-width: 465px){
    .phone_box {
        height: 86.8%;
    }
}

@media(max-width: 420px){
    .phone_box {
        top: 21px;
        height: 84.5%;
    }
}

@media(max-width: 400px){
    .phone_box {
        height: 83%;
    }
}

@media(max-width: 374px){
    .phone_box {
        top: 22px;
        height: 81.5%;
    }
}

@media(max-width: 345px){
    .phone_box {
        top: 22px;
        height: 80.4%;
    }
}

@media(max-width: 325px){
    .phone_box {
        top: 23px;
        height: 78.5%;
    }
}