.mobile {
	display: none;
}
@media(max-width:1400px){
	.top_block {
		margin-bottom: 0;
	}
	.left {
		display: none;
	}
	.right {
		width: 100%;
	}
	.popup {
		width: 50%;	
	}
}
@media(max-width:1199px){
	.kappa_text {
		padding: 0 0 40px 0;
		width: 100%;
	}
	.kappa_slider {
		width: 100%;
	}
	.iota_text {
		width: 100%;
		padding: 0 0 40px 0;
	}
	.lambda_point {
		width: 100%;
	}
	.accordion_wrapper_iota {
		width: 100%;
	}
	.top_menu {
		display: none;
	}
	.top_block .menu_ico {
		display: block;
	}
	.popup {
		width: 60%;	
	}
}
@media(max-width:991px){
	.inner_block_head h2 {
		max-width: 100%;
	}
	.inner_block {
		margin: 0 0 60px 0;
	}
	.beta, .delta, .zeta {
		margin: 0 0 30px 0; 
	}
	.alpha_text, .alpha_invert_text {
		padding: 40px;
		width: 100%;		
	}
	.clean_alpha_text {
		padding: 0 0 40px 0;
		width: 100%;		
	}
	.alpha_img {
		width: 100%;
		height: 400px;
	}
	.beta_item {
		width: calc((100% / 2) - 15px);
	}
	.beta_item:nth-child(3n) {
		margin-right: 30px;
	}
	.beta_item:nth-child(2n) {
		margin-right: 0;
	}
	.zeta_item {
		width: calc((100% / 2) - 15px);
	}
	.zeta_item:nth-child(3n) {
		margin-right: 30px;
	}
	.zeta_item:nth-child(2n) {
		margin-right: 0;
	}
	.footer_menu {
		display: block;
	}
	.lambda_certificate_img img {
		display: none;	
	}
	.lambda_certificate_text_block {
		width: 100%;
	}
	.lambda .tabs_content {
		border-top: none;
	}
	.lambda .tabs_caption li {
		width: 50%;
		margin: 0;
		border-bottom: 1px solid #C8D0D8;
	}
	.lambda .tabs_caption .active {
		display: block;
		margin-bottom: -1px;
	}
}
@media(max-width:767px){
	.menu {
		padding: 40px 30px;
	}
	.epsilon_img {
		width: 100%;
		height: 400px;
		margin: 0;
	}
	.epsilon_text {
		width: 100%;
	}
	.top_block .tel {
		display: none;
	}
	.eta_item {
		width: calc((100% / 2) - 10px);
		margin-bottom: 30px;
	}
	.container {
		padding-right: 30px;
		padding-left: 30px;
	}
	.breadcrumb {
		padding: 25px 30px;
	}
	.beta_item, .delta_item, .alpha_text, .alpha_invert_text, .gamma, .zeta_text, .epsilon_text {
		padding: 30px;
	}
	.clean_alpha_text {
		padding: 0 0 30px 0;
		width: 100%;		
	}
	.inner_block {
		margin: 0 0 40px 0;
	}
	.beta, .delta, .zeta {
		margin: 0 0 20px 0;
	}
	.alpha_img, .alpha_invert_img {
		height: 200px;
	}
	.inner_block_head {
		margin-bottom: 20px;
	}
	.beta_item, .delta_item, .zeta_item {
		width: calc((100% / 2) - 10px);
		margin-right: 20px;
		margin-bottom: 20px;
	}
	.beta_item:nth-child(3n) {
		margin-right: 20px;
	}
	.zeta_item:nth-child(3n) {
		margin-right: 20px;
	}
	.beta_item:nth-child(2n) {
		margin-right: 0;
	}
	.zeta_item:nth-child(2n) {
		margin-right: 0;
	}
	.popup {
		width: 70%;	
	}
}
@media(max-width:575px){
	.beta_item {
		width: 100%;
		margin-right: 0;
	}
	.delta_item {
		width: 100%;
		margin-right: 0;
	}
	.zeta_item {
		width: 100%;
		margin-right: 0;
	}
	.beta_item:nth-child(3n) {
		margin-right: 0;
	}
	.zeta_item:nth-child(3n) {
		margin-right: 0;
	}
	.container {
		padding-right: 10px;
		padding-left: 10px;
	}
	.footer_menu {
		padding-right: 20px;
		padding-left: 20px;
	}
	.copyright {
		padding-right: 20px;
		padding-left: 20px;
		
	}
	.lambda_certificate_item {
		width: 100%;
	}
	.lambda_certificate_item:nth-child(2n) {
		margin-right: 0;
	}
	.popup {
		width: 80%;	
	}
	.beta_item, .delta_item, .alpha_text, .alpha_invert_text, .gamma, .zeta_text, .epsilon_text {
		padding: 30px 20px;
	}
@media(max-width:420px){
	.logo_art {
		height: 45px;
	}
	.logo_art img {
		height: 30px;
	}
	.menu_ico {
		height: 20px;
	}
	.right_nav {
		width: 300px;
		padding: 40px 30px;
	}
	.right_nav .close_ico {
		height: 20px;
		width: 20px;
	}
	.popup {
		width: 90%;	
	}

}