.visible-xs,
.visible-sm,
.visible-md,
.visible-lg{
    display: none;
}

@media (max-width: 534px) {
    .center-wrapper {
        width: 100%;
        padding: 0 10px;
        max-width: none;
    }

    .main-slider .slider-controls .sc-item {
        width: 100%;
        margin: 0 !important;
        padding-top: 10px;
    }

    .body {
        padding: 0;
    }

    .breadcrumbs {
        padding-left: 0;
    }

    .section-menu {
        padding-left: 25px;
    }

    .paginator .pages {
        margin: 0 auto;
        text-align: left;
    }

    .m-col-wide {
        width: 100%;
    }

    .leaders-list .pic {
        float: none;
        width: 100%;
        margin-bottom: 10px;
        text-align: center;
    }

    .paginator-l,
    .paginator-r {
        display: none !important;
    }

    .solutions-item img {
        max-width: 100%;
        height: auto;
    }

    .project-header .client-info .pic {
        float: none;
        width: 100%;
        text-align: center;
    }

    .project-header .client-info .pic .cont {
        display: block;
        margin: 0 auto;
    }

    .slick-arrow {
        visibility: hidden;
        pointer-events: none;
    }

    .success-carousel .success-tmb {
        float: none;
        margin: 0 auto 10px;
    }

    .site-map {
        max-height: none !important;
        font-size: 12px;
    }

    .site-map__level {
        padding-top: 0;
    }

    .site-map__item {
        margin-bottom: 0;
    }
}

/* xs - Extra Small */
@media (max-width: 767px) {
    h1 {
        font-size: 26px;
        line-height: 28px;
    }

    .stage-list__item-title,
    h2 {
        font-size: 20px;
        line-height: 24px;
    }

    .center-wrapper {
        max-width: 540px;
        padding: 0 10px;
    }

    .header-top.fc:after {
        content: '';
        display: inline-block;
        width: 100%;
        height: 8px;
        background: url(images/wave.png) 0 0 repeat-x;
        visibility: visible;
    }

    .header .logo {
        float: none;
        width: 175px;
        height: auto;
        padding-right: 10px;
        padding-top: 10px;
    }

    .header .logo img {
        max-width: 100%;
    }

    .header .soclinks-wrapper {
        float: none;
        padding-top: 12px;
    }

    .header .soclinks-wrapper .email {
        text-align: center;
    }

    .header .soclinks {
        float: none;
        width: 282px;
        margin: 0 auto;
        padding-top: 20px;
        padding-bottom: 10px;
    }

    .soclinks .link-ser:hover {
        margin-right: 0;
    }

    .header-contacts {
        float: none;
        width: 100%;
        text-align: center;
    }

    .header .button {
        margin-bottom: 5px;
    }

    .section-menu {
        padding-left: 25px;
    }

    .lang-selector {
        right: 60px;
    }

    .main-slider .slides {
        display: none;
    }

    .main-slider .slider-controls .act {
        background: none;
    }

    .main-slider .slider-controls {
        margin: 0;
    }

    .main-slider .slider-controls .sc-item {
        margin: 0 22px 0 22px;
    }

    .main-subscribe {
        float: none;
    }

    .mainpage-company {
        margin-top: 10px;
    }

    .mainpage-block h2 {
        margin-bottom: 10px;
    }

    .mainpage-company .mpc-l {
        float: none;
        width: 100%;
    }

    .mainpage-company .mpc-m {
        float: none;
        width: 100%;
        margin-top: 20px;
        margin-bottom: 20px;
    }

    .mainpage-company .mpc-m img {
        max-width: 100%;
    }

    .mainpage-since {
        height: auto;
        padding-bottom: 60px;
        background: #ffe33d;
    }

    .mainpage-since:before {
        content: '';
        display: block;
        width: 100%;
        height: 145px;
        background: url(images/mainpage-since-bg.png) center 0 no-repeat #fff;
    }

    .mainpage-since .cols {
        margin: 0;
        text-align: center;
    }

    .mainpage-since .col {
        float: none;
        display: inline-block;
        margin: 0;
        padding: 0 18px;
    }

    .mainpage-since .col3,
    .mainpage-since .col4 {
        padding-top: 50px;
    }

    .mainpage-projects .jcarousel-item {
        text-align: center;
    }

    .mainpage-clients .jcarousel-prev,

    .success-carousel .slick-next,
    .events-carousel .slick-next,
    .mainpage-clients .slick-next,
    .mainpage-projects .slick-next {
        right: 0;
        background: url(images/chevron-right.png) no-repeat center center;
        background-size: contain;
    }

    .success-carousel .slick-prev,
    .events-carousel .slick-prev,
    .mainpage-clients .slick-prev,
    .mainpage-projects .slick-prev {
        left: 0;
        background: url(images/chevron-left.png) no-repeat center center;
        background-size: contain;
    }

    .success-carousel .slick-arrow,
    .events-carousel .slick-arrow,
    .mainpage-clients .slick-arrow,
    .mainpage-projects .slick-arrow {
        top: 30%;
        bottom: auto;
        width: 15px !important;
        visibility: visible !important;
        pointer-events: auto;
    }

    .events-carousel .slick-list,
    .mainpage-clients .slick-list,
    .mainpage-projects .slick-list {
        width: 90%;
        margin: 0 auto;
    }

    .events-carousel {
        margin-bottom: 30px;
    }
    .events-carousel .jcarousel-item {
        width: 71vw;
        text-align: center;
    }
    .events-carousel .ev-date {
        display: inline-block;
        float: none;
    }
    .events-carousel .ev-time {
        display: inline-block;
        float: none;
    }
    .events-carousel .ev-cat {
        float: none;
        width: 200px;
        margin: 0 auto;
    }

    .top-wrap.career-company .success-carousel .slick-arrow {
        top: 120px;
    }

    .success-list a, .success-list a:visited {
        float: none;
        margin: 0 auto 10px auto;
    }

    .slick-prev, .slick-next {
        top: auto;
        bottom: -65px;
    }

    .slick-prev {
        left: 30%;
    }

    .slick-next {
        right: 30%;
    }

    .mainpage-projects {
        margin: 23px 0 50px 0;
    }

    .mainpage-projects

    .footer-menu.fc {
        display: none;
    }

    .footer .logo {
        width: 100%;
        padding: 30px 0 0;
        text-align: center;
    }

    .footer-contacts {
        width: 100%;
    }

    .footer .address {
        width: 100%;
        padding: 20px 0 0;
        margin: 0;
        text-align: center;
    }

    .footer .col {
        width: 100%;
        margin: 0;
        text-align: center;
    }

    .contacts-l,
    .contacts-r {
        width: auto;
    }

    .contact-person {
        background-position: 0 -15px;
        background-size: contain;
    }

    .l-col {
        float: none;
    }

    .m-col {
        float: none;
        width: 100%;
        margin: 0;
    }

    .r-col {
        float: none;
        width: 300px;
        max-width: 100%;
        margin: 20px auto;
    }

    .m-col:after {
        content: '';
        display: block;
        clear: both;
    }

    .m-col-wide {
        width: 100%;
    }

    .breadcrumbs {
        padding-top: 10px;
        padding-left: 0;
    }

    .calc-form .form-footer-alt .form-row {
        margin: 0;
    }

    .calc-form .form-footer-alt .form-item {
        width: 100%;
        margin: 0 0 10px;
    }

    .calc-form .form-footer-alt .form-text {
        width: 100%;
    }

    .calc-form .form-footer-alt .placeholder {
        width: 100%;
    }

    .calc-form .form-footer-alt .check_pdn {
        width: 100%;
        margin-bottom: 10px;
    }

    .top-wrap.career-company .section-menu,
    .top-wrap.about .section-menu {
        /*display: block;*/
        /*width: 100%;*/
    }

    .top-wrap.about .clients-list .descr {
        padding-top: 10px;
    }

    .success-carousel .success-tmb {
        width: 250px;
    }

    .success-carousel .success-tmb .descr h3 {
        font-size: 16px;
    }

    .success-carousel .slick-arrow {
        display: none;
        visibility: hidden;
    }

    .success-carousel .success-tmb:nth-child(3n + 3) {
        margin-right: 10px;
    }

    .top-wrap.projects .section-menu {
        float: none;
        display: block;
    }

    .top-wrap.career-company .common-form.search-form-2 {
        display: none;
    }

    .living-carousel .living-tmb {
        float: none;
        margin: 0 auto 10px;
    }

    .living-carousel .living-tmb h3 {
        width: 190px;
        font-size: 16px;
    }

    .living-carousel .slick-arrow {
        visibility: hidden;
        pointer-events: none;
    }

    .project-header h1 {
        font-size: 16px;
        line-height: 22px;
    }

    .top-wrap.career-company .success-card .pic {
        float: none;
        margin: 0 auto;
    }

    .common-form .placeholder {
        font-size: 12px;
    }

    .popup h2 {
        max-width: 90%;
        font-size: 20px;
    }

    .popup .pup-content {
        padding: 20px 0 20px 20px;
    }

    #orderPopup .pup-content,
    #callbackPopup .pup-content {
        padding: 20px;
    }

    .lang-selector,
    .mainpage-projects .data span,
    .common-form .form-text, .common-form .form-textarea,
    .form-item .caption,
    .pdn_check_container a,
    .common-form .check_pdn {
        font-size: 12px;
    }

    .popup .form-item {
        margin-bottom: 10px;
    }

    .common-form.search-form.mobile-search {
        position: static;
        margin-top: 10px;
        margin-bottom: 0;
    }

    .main-slider .slider-controls .sc-item {
        padding-top: 20px;
    }

    .mainpage-block .block-descr {
        max-width: 100%;
    }

    .top-wrap.search .m-col {
        width: 100%;
    }

    .hidden-xs {
        display: none;
    }

    .visible-xs {
        display: block;
    }

    .r-col .banner {
        text-align: center;
    }

    .r-col .banner a {
        display: inline-block;
    }

    .footer hr {
        margin-bottom: 20px;
    }

    .page-text .article-pic {
        margin: 0;
    }

    .glossary-page h1 {
        font-size: 22px;
        text-align: center;
    }

    .glossary-term-list {
        padding-left: 20px;
    }

    .glossary-page .glossary-term-item {
        margin-bottom: 10px;
    }

    .glossary-item-name {
        font-size: 20px;
    }

    .clients-reviews .pic {
        float: none;
    }

    .subscribe-header {
        position: static;
        top: auto;
        right: auto;
        margin-bottom: 5px;
    }

    .subscribe-header .main-subscribe {
        float: none;
        margin: 0 auto;
    }

    .site-map {
        max-height: 820px;
    }

    .l-col {
        display: none;
    }

    #eventRequestForm .form-item {
        width: 97%;
    }

    .download-counter {
        position: static;
        width: 100%;
        text-align: left;
        margin-bottom: 10px;
    }

    .cloud__competence-item {
        width: 100%;
    }

    .stage-list__item-number {
        font-size: 72px;
        line-height: 110px;
        margin-right: 25px;
    }
}

/* sm - Small*/
@media  (max-width: 991px) and (min-width: 768px) {
    .center-wrapper {
        max-width: 720px;
        width: auto;
        padding: 0 10px;
    }

    .hidden-sm {
        display: none;
    }

    .visible-sm {
        display: block;
    }

    .header-top {
        position: relative;
        padding: 0 0 10px 0;
    }

    .header .logo {
        float: none;
        width: 290px;
        margin: 0 auto;
        padding-right: 0;
    }

    .header-contacts {
        float: none;
        padding-top: 10px;
        text-align: center;
    }

    .header .logo img {
        max-width: 100%;
    }

    .header-contacts .col {
        width: 185px;
        margin-right: 20px;
    }

    .header-contacts .col:last-child {
        margin-right: 0;
    }

    .header-contacts .fc {
        width: 390px;
        margin: 0 auto;
    }

    .header .soclinks-wrapper {
        float: none;
        padding-top: 12px;
    }

    .header .soclinks-wrapper .email {
        text-align: center;
    }

    .header .soclinks {
        float: none;
        width: 282px;
        margin: 0 auto;
        padding-top: 20px;
    }

    .soclinks .link-ser {
        margin-right: 0;
    }

    .soclinks .link-ser:hover {
        margin-right: 0;
    }

    .main-menu {
        font-size: 8px;
    }

    .main-menu li {
        padding: 15px 3px;
        background: none;
        font-size: 9px;
        vertical-align: middle;
        text-align: center;
        list-style: none;
    }

    .main-slider .slider-controls .sc-item {
        width: 165px;
        margin: 0 20px 0 0;
    }

    .main-slider .slider-controls .cont {
        padding: 10px 4px 7px 10px;
        font-size: 12px;
        line-height: 18px;
    }

    .main-slider .slider-controls .cont h3 {
        font-size: 14px;
    }

    .main-slider h2 {
        margin-top: 80px;
        font-size: 28px;
    }

    .main-slider .text {
        padding-left: 40px;
    }

    .main-slider .slide-pic img {
        margin-left: -425px;
    }

    .mainpage-company .mpc-l {
        float: none;
        width: 100%;
    }

    .mainpage-company .mpc-m {
        float: none;
        width: 100%;
        margin-top: 20px;
        margin-bottom: 20px;
    }

    .mainpage-company .mpc-m img {
        max-width: 100%;
    }

    .events-carousel .jcarousel-container {
        background: none;
    }

    .events-carousel .jcarousel-prev {
        padding-right: 0;
    }

    .events-carousel .jcarousel-next {
        padding-left: 0;
    }

    .mainpage-since .col {
        width: 160px;
        margin-right: 28px;
    }

    .mainpage-since .col:last-child {
        margin-right: 0;
    }

    .mainpage-since .pic img {
        max-width: 100%;
    }

    .mainpage-since h2 {
        font-size: 28px;
    }

    .mainpage-since .descr {
        font-size: 12px;
    }

    .footer-menu .col {
        width: 223px;
        min-height: 261px;
    }

    .footer-menu.fc .col:nth-child(4),
    .footer-menu.fc .col:last-child {
        min-height: 0;
    }

    .footer-top.fc {
        padding-bottom: 20px;
        text-align: center;
    }

    .footer .logo {
        float: none;
    }

    .footer-contacts {
        padding: 0;
    }

    .footer-contacts .col {
        width: 185px;
        min-height: 0;
    }

    .slick-prev, .slick-next {
        top: auto;
        bottom: -50px;
    }

    .slick-prev {
        left: 30%;
    }

    .slick-next {
        right: 30%;
    }

    .m-col {
        width: 450px;
        margin-right: 10px;
    }

    .r-col {
        float: none;
        width: 320px;
        margin: 0 auto;
        clear: both;
        padding-top: 30px;
    }

    .contact-person {
        background-size: contain;
        background-position: 0 -20px;
    }

    .contact-person.contact-person-press .cont {
        padding: 37px 25px 32px;
    }

    .submenu-top {
        padding:  10px 0 0 10px;
    }

    .submenu .submenu-links .item {
        padding: 10px 10px 5px;
        font-size: 10px;
    }

    .m-col-wide {
        width: 100%;
    }

    .breadcrumbs {
        padding-left: 0;
    }

    .top-wrap.career-company .section-menu,
    .top-wrap.about .section-menu {
        display: block;
        width: 100%;
    }

    .calc-form .form-footer-alt .form-row {
        margin: 0;
    }

    .calc-form .form-footer-alt .form-item {
        width: 100%;
        margin: 0 0 10px;
    }

    .calc-form .form-footer-alt .form-text {
        width: 100%;
    }

    .calc-form .form-footer-alt .placeholder {
        width: 100%;
    }

    .calc-form .form-footer-alt .check_pdn {
        width: 100%;
        margin-bottom: 10px;
    }

    .success-carousel .success-tmb {
        width: 223px;
    }

    .success-carousel .success-tmb .descr h3 {
        font-size: 15px;
    }

    .top-wrap.projects .section-menu {
        display: block;
    }

    .top-wrap.projects .r-col {
        display: none;
    }

    .living-carousel .living-tmb {
        width: 223px;
    }

    .living-carousel .living-tmb h3 {
        width: 190px;
        font-size: 16px;
    }

    .top-wrap.career-company.history-of-success .m-col {
        width: 100%;
    }

    .top-wrap.history-of-success .success-carousel {
        margin-bottom: 45px;
    }

    /*.top-wrap.history-of-success .success-carousel .slick-arrow {*/
        /*display: inline-block !important;*/
        /*top: auto;*/
        /*bottom: -50px;*/
    /*}*/

    .mainpage-block .block-descr {
        max-width: 100%;
    }

    .top-wrap.search .m-col {
        width: 100%;
    }

    .r-col .banner {
        text-align: center;
    }

    .r-col .banner a {
        display: inline-block;
    }

    .success-carousel .slick-next,
    .events-carousel .slick-next,
    .mainpage-clients .slick-next,
    .mainpage-projects .slick-next {
        right: 0;
        background: url(images/chevron-right.png) no-repeat center center;
        background-size: contain;
    }

    .success-carousel .slick-prev,
    .events-carousel .slick-prev,
    .mainpage-clients .slick-prev,
    .mainpage-projects .slick-prev {
        left: 0;
        background: url(images/chevron-left.png) no-repeat center center;
        background-size: contain;
    }

    .success-carousel .slick-arrow,
    .events-carousel .slick-arrow,
    .mainpage-clients .slick-arrow,
    .mainpage-projects .slick-arrow {
        top: 30%;
        bottom: auto;
        width: 15px;
        visibility: visible;
        pointer-events: auto;
    }

    .success-carousel .slick-list,
    .events-carousel .slick-list,
    .mainpage-clients .slick-list,
    .mainpage-projects .slick-list {
        width: 90%;
        margin: 0 auto;
    }

    .success-carousel .success-list a,
    .success-list a:visited {
        float: none;
        margin: 0 auto 10px auto;
    }

    .top-wrap.career-company .success-carousel .slick-arrow {
        top: 40%;
    }

    .footer hr {
        margin-bottom: 20px;
    }

    .glossary .l-col {
        display: none;
    }

    .glossary-page h1 {
        text-align: center;
    }

    .glossary-page .glossary-term-item {
        width: 210px;
    }

    .subscribe-header {
        position: static;
        top: auto;
        right: auto;
        margin-top: 10px;
    }

    .subscribe-header .main-subscribe {
        float: none;
        margin: 0 auto;
    }

    .site-map {
        max-height: 685px;
    }

    #eventRequestForm .form-item {
        width: 97%;
    }

    .download-counter {
        position: static;
        width: 100%;
        text-align: left;
        margin-bottom: 10px;
    }
}

/* md - Medium */
@media (max-width: 1199px) and (min-width: 992px) {
    .center-wrapper {
        max-width: 960px;
        width: auto;
        padding: 0 15px;
    }

    .hidden-md {
        display: none;
    }

    .visible-md {
        display: block;
    }

    .header .logo {
        width: 230px;
        padding-right: 35px;
    }

    .main-menu {
        font-size: 10px;
    }

    .main-menu li:first-child {
        padding: 20px 5px 15px 0;
        text-align: center;
    }

    .main-menu li {
        padding: 15px 3px;
        text-align: center;
    }

    .main-slider .slider-controls .sc-item {
        margin: 0 30px 0 0;
    }

    .mainpage-company .mpc-l {
        margin-right: 5px;
    }

    .mainpage-company .mpc-m {
        width: 442px;
        margin-right: 25px;
    }

    .controlDiv {
        width: 100%;
    }

    .controlDiv img {
        max-width: 100%;
    }

    .mainpage-since .col {
        width: 180px;
        margin-right: 78px;
    }

    .mainpage-since .col:last-child {
        margin-right: 0;
    }

    .mainpage-since .pic img {
        max-width: 100%;
    }

    .mainpage-since h2 {
        font-size: 32px;
    }

    .mainpage-since .descr {
        font-size: 16px;
    }

    .mainpage-projects {
        width: 87%;
        margin: 23px auto 30px;
    }

    .main-slider .text {
        padding-left: 40px;
    }

    .mainpage-projects .jcarousel-clip,
    .mainpage-clients .jcarousel-clip {
        width: 100%;
    }

    .mainpage-clients {
        width: 87%;
        margin: 30px auto 46px;
    }

    .m-col {
        width: 480px;
    }

    .m-col-wide {
        width: 750px;
    }

    .footer-menu .col {
        width: 176px;
    }

    .footer .logo {
        padding: 29px 20px 26px 24px;
    }

    .footer hr {
        margin-bottom: 20px;
    }

    .calc-form .form-footer-alt .form-row {
        margin: 0;
    }

    .calc-form .form-footer-alt .form-item {
        width: 100%;
        margin: 0 0 10px;
    }

    .calc-form .form-footer-alt .form-text {
        width: 100%;
    }

    .calc-form .form-footer-alt .placeholder {
        width: 100%;
    }

    .calc-form .form-footer-alt .check_pdn {
        width: 100%;
        margin-bottom: 10px;
    }

    .success-carousel .living-tmb,
    .success-carousel .success-tmb {
        width: 240px;
    }

    .success-carousel .success-tmb .descr h3 {
        font-size: 16px;
    }

    .living-carousel .living-tmb {
        width: 240px;
    }

    .living-carousel .living-tmb h3 {
        font-size: 16px;
    }

    .main-menu li {
        list-style: none;
        background: none;
    }

    .common-form.search-form:not(.mobile-search) {
        display: block;
    }

    .top-wrap.search .m-col {
        width: 660px;
    }

    .glossary .m-col {
        width: 750px;
    }

    .glossary-page .glossary-term-item {
        width: 227px;
    }

    .subscribe-header {
        right: 15px;
    }

    #eventRequestForm .form-item {
        width: 97%;
    }

    .download-counter {
        position: static;
        width: 100%;
        text-align: left;
        margin-bottom: 10px;
    }
}

/* lg - Large */
@media (min-width: 1200px) {
    .center-wrapper {
        max-width: 1100px;
        width: auto;
        box-sizing: border-box;
    }

    .hidden-lg {
        display: none !important;
    }

    .visible-lg {
        display: block;
    }

    .mainpage-projects,
    .mainpage-clients {
        width: 100%;
    }

    .header .logo img {
        max-width: 100%;
    }

    .common-form.search-form:not(.mobile-search) {
        display: block;
    }
}