html, body {
    margin:0;
    padding:0;
    background-color: #fff;
    height: 100%;
    font-size: 14px;
    scroll-behavior: smooth;
    
}

#disable_anim
{
    -webkit-transition: none !important;
        -moz-transition: none !important;
        -ms-transition: none !important;
        -o-transition: none !important;
}

[class*="ymaps-2"][class*="-ground-pane"] {
    filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");
    -webkit-filter: grayscale(100%);
}

.menu, .num, .ask {
	position: static;
    display: flex;
    margin: auto;
    z-index: 5;
}

.logo {
align-items: center;
	position: static;
    display: flex;
    margin: auto;
    z-index: 5;
}

.logoimg {
    max-height: 15vw;
    max-width: 200px;
	display: flex;
}


.menu {
    margin-left: 0;
	flex-direction: auto;
	flex-basis: 4000px;
	justify-content: center;
	flex-wrap: wrap;
}

.num {
	text-align: right;
	margin-right: 3em;
	padding: 0;
}

.ask {
    margin-right: 0;
    margin-left: 0;
    flex-direction: row;
	text-align: right;
	padding: 0;
}

.lang_1, .lang_2 {
	position: absolute;
	width: 4em;
	transform: translate(0%, 50%);
    z-index: 99;
}

.lang_1 {right: 7em;}
.lang_2 {right: 2em;}


.de_block {
	position: relative;
    min-height: 50%;
    z-index: 0;
    overflow: hidden;
    display: flex;
	background-image: url('/style/img/patt_small.png');
	background-size: 10%;
	background-position: top left;
	background-color: #2b4d62;
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
}


.head_big_block {
	position: relative;
    z-index: 0;
    overflow: hidden;
    display: flex;
	background-image: url('/style/img/block0_back.jpg');
	background-attachment: fixed;
	background-size: 100%;
	background-position: center;
	min-height: 75%;
	text-align: center;
	z-index: 1;
}

.head_title_block {
	position: relative;
	width:100%;
    padding: 5%;
    margin: auto;
    display: block;
    padding: 3%;
	background-color: rgb(43,77,98,0.4);
	border-radius: 1px;
    z-index: 2;
    backdrop-filter: blur(3px);
}


.big_block {
    position: relative;
    min-height: 50%;
    z-index: 0;
    overflow: hidden;
    display: flex;
    background-attachment: fixed;
}

.big_block_top {
    position: relative;
min-height: 2%
    z-index: 0;
    overflow: hidden;
    display: flex;
    background-attachment: fixed;
}

.big_block_1 {
    position: relative;
    min-height: 50%;
    z-index: 0;
    overflow: hidden;
    display: flex;
    background-attachment: fixed;
	background-image: url('/style/img/block2_back.jpg');
}

.big_block_2 {
    position: relative;
    min-height: 50%;
    z-index: 0;
    overflow: hidden;
    display: flex;
    background-attachment: fixed;
	background-image: url('/style/img/block3_back.jpg');
}

.big_block_3 {
    position: relative;
    min-height: 50%;
    z-index: 0;
    overflow: hidden;
    display: flex;
    background-attachment: fixed;
	background-image: url('/style/img/patt_small.png');
	background-size: 10%;
	background-position: top left;
	background-color: #2b4d62;
}


.ya_maps_block {
	min-height: 2%;
	display: flex;
	background-color: #212121;
}

.ya_maps_darker {
	position: absolute;
    width: 100%;
    height: 1%;
    z-index: 4;
    opacity: 1;
}

.footer_block {
	min-height: 3%;
	display: flex;
	background-image: url('/style/img/gradient.png'), url('/style/img/patt_square.png');
	background-size: 0.1%, 6%;
	background-position: top, center;
	background-repeat: repeat-x, repeat;
	background-color: #212121;
}

.footer_left,
.footer_right{
	position: static;
    display: flex;	
    padding: 2em;
    z-index: 5;
}

.footer_left {text-align: left; margin-right: auto;}
.footer_right {text-align: right; margin-left: auto;}

.context_block {
    position: relative;
    min-height: 50%;
    z-index: 0;
    overflow: hidden;
    display: flex;
}

.inside_block {
    position: relative;
    width: 1728px;
    padding: 5%;
    margin: auto;
    z-index: 1;
}

.head_block {
    position: relative;
    display: block;
    text-align: center;
    padding: 5vh;
    z-index: 2;
}

.descript_block {
    position: relative;
    display: block;
    padding: 2%;
    z-index: 2;
}

.descript_block_slash {
    position: relative;
    display: block;
    padding: 2%;
    z-index: 2;
    text-align: center;
}

.categories_row {
    display : block;
    overflow: hidden;
    font-size: 0;
    position: relative;
}

.categories_quad_row {
    display : block;
    overflow: hidden;
    width: 60%;
    margin: auto;
    font-size: 0;
    position: relative;
}

.categories_block,
.categories_quad_block{
	display : inline-block;
	position: relative;
	z-index: 3;
	padding: 2%;
	vertical-align: top;
}

.categories_block {
    min-width: 21%;
    max-width: 21%;
    text-align: justify;
}

.categories_quad_block {
    min-width: 46%;
    max-width: 46%;
}

.categories_img {
	width: 60%;
	display: flex;
    margin-left: auto;
    margin-right: auto;
	margin-bottom: 10%;
	border-radius: 100%;
	-webkit-box-shadow: 14px 20px 13px -6px rgba(0,0,0,0.26); 
			box-shadow: 14px 20px 13px -6px rgba(0,0,0,0.26);
}

.categories_img:hover {
	-webkit-transform: translateY(-5%);
        -ms-transform: translateY(-5%);
            transform: translateY(-5%);
}

.dot {
	position: absolute;
	left: 50%;
    width: 7em;
    z-index: 99;
    transform: translate(-50%, -50%);
}



.dot:hover {
    -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
            transform: translateY(-50%);

}

.leftimg {
    float:left;
    display: block;
    border-radius: 100%;
	-webkit-box-shadow: 14px 20px 13px -6px rgba(0,0,0,0.1); 
			box-shadow: 14px 20px 13px -6px rgba(0,0,0,0.1);
    width: 30%;
	margin: 4%;
}


.leftimg_cat {
    float:left;
    display: block;
    width: 80pt;
	margin-right: 5%;
	margin-bottom: 5%;
}

.leftimg_cat:hover {
	-webkit-transform: translateY(-10%);
        -ms-transform: translateY(-10%);
            transform: translateY(-10%);
}

.categories_img,
.categories_img:hover,
.dot,
.dot:hover
.leftimg_cat,
.leftimg_cat:hover{
    -webkit-transition: all 1s ease-in-out;
	    -o-transition: all 1s ease-in-out;
          transition: all 1s ease-in-out;
}

.gotop {
	background: none repeat scroll 0 0 padding-box #4ec8fa;
	bottom: 20px;
	border-radius: 100%;
	color: #000;
	display: none;
	opacity: 0.4;
	padding: 0.8em 1.3em;
	position: fixed;
	right:50%;
	text-decoration: none;
	z-index: 99;
	-webkit-transform: translate(50%, -220%);
        -ms-transform: translate(50%, -220%);
            transform: translate(50%, -220%);
}

.gotop:hover,
.gotop:focus,
.gotop:active,
.gotop:visited {
	color: #fff;
	opacity: 1;
	text-decoration: none;
}

.button,
.button_menu,
.button_contact{
	border-radius: 10px;
	display: flex;
	padding: 0.8em 1.2em;
	position: relative;
	z-index: 5;
	border-radius: 60px;
}

.button_menu {
	margin: 0.5em;
	background: #fafafa;
	color: #333;
	border: 2px solid #ebebeb;
}

.button_menu:hover {
	background: #c8efff;
	border: 2px solid #6DD4FF;
}

.button_contact {
	margin: 0.5em;
	background: #fafafa;
	color: #333;
	border: 2px solid #6DD4FF;
}

.button_contact:hover {
	background: #6dd4ff;
	border: 2px solid #6DD4FF;
}

.button {
	background: #1e4459;
	color: #fff;
	border: 2px solid #1e4459;
    margin: auto;
    margin-top: 2em;
}

.button:hover {
	background: #4cc9ff;
	color: #fff;
	border: 2px solid #4cc9ff;
	-webkit-box-shadow: 0px 0px 36px 6px #4CC9FF; 
	box-shadow: 0px 0px 36px 6px #4CC9FF;
}

.button_menu:hover::after,
.button_contact:hover::after,
.button:hover::after{
  opacity: 1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.button_menu:focus,
.button_contact:focus,
.button:focus{
	outline: none;
}

.button_menu,
.button_menu:after,
.button_contact,
.button_contact:after,
.button,
.button:after{
    -webkit-transition: all 0.3s ease-out;
        -moz-transition: all 0.3s ease-out;
        -o-transition: all 0.3s ease-out;
            transition: all 0.3s ease-out;
}

.sendform {
	width: 30%;
	margin: 0 auto;
	position: relative;
}

#contact {
	background: #fff;
	border-radius: 60px;
	padding: 40px;
    -webkit-box-shadow: 0px 0px 82px 0px rgba(76,201,255,.5);
        -moz-box-shadow: 0px 0px 82px 0px rgba(76,201,255,.5);
            box-shadow: 0px 0px 82px 0px rgba(76,201,255,.5);
}

fieldset {
	border: medium none !important;
	margin: 0 0 5px;
	min-width: 100%;
	padding: 0;
	width: 100%;
}

#contact input[type="text"],
#contact textarea {
	width: 94%;
	border: 2px solid #ccc;
	background: #fff;
	border-radius: 30px;
	margin: 0 0 10px;
	padding: 10px;
	font-family: 'Montserrat', sans-serif;
	font-weight:300;
	font-size: 1vw;
}

#contact textarea {
	height: 150px;
	width: 94%;
	resize: none;
}

#contact button[type="submit"] {
	cursor: pointer;
	width: 100%;
	border: 2px solid #6DD4FF;
	border-radius: 30px;
	background: #6dd4ff;
	color: #2b4d62;
	padding: 10px;
	font-size: 1vw;
}

#contact button[type="submit"],
#contact button[type="submit"]:hover {
	-webkit-transition: background 0.3s ease-in-out;
       -moz-transition: background 0.3s ease-in-out;
      transition: background-color 0.3s ease-in-out;
}

#contact button[type="submit"]:hover {
	background: #fff;
}

#contact button:focus {
	outline: none;
}

#contact input:focus,
#contact textarea:focus {
	outline: 0;
	border: 2px solid #6dd4ff;
}

::-webkit-input-placeholder {
	color: #888;
}

:-moz-placeholder {
	color: #888;
}

::-moz-placeholder {
	color: #888;
}

:-ms-input-placeholder {
	color: #888;
}

@media screen and (max-width: 1920px) {

#contact input[type="text"],
#contact button[type="submit"],
#contact textarea {
	font-size: 1.2vw;
}

}

@media screen and (max-width: 1366px) {
	
.lang_1 {
	right: 6em;
	width: 3em;
}

.lang_2 {
	right: 1.5em;
	width: 3em;
}
	
.sendform {
	width: 50%;
}	

#contact input[type="text"],
#contact button[type="submit"],
#contact textarea {
	font-size: 1.5vw;
}

}

@media screen and (max-width: 768px) {

.lang_1 {
	right: 4em;
	width: 2em;
}

.lang_2 {
	right: 1em;
	width: 2em;
}

.ask {
    flex-direction: column;
	align-items: center;
}

.button_menu {
	display: none;
}

.button_contact {
	display: block;
	margin: auto;
	margin-left: 0;
}

.button {
	padding: 0.2em 0.6em;
    margin: auto;
    margin-top: 2em;
}

.logoimg {
    max-height: 25vw;
    max-width: 500px;
}

.leftimg {
    width: 40%;
}

.sendform {
	width: 100%;
}

#contact input[type="text"],
#contact button[type="submit"],
#contact textarea {
	font-size: 3vw;
}

.inside_block {
    width: 100%;
    padding: 5%;
    margin: auto;
}

.descript_block_slash {
    text-align: left;
}


.head_big_block,
.big_block{
	background-attachment: scroll;
}

.big_block:nth-child(3) {
	min-height: 22%;
}
	

.big_block:nth-child(12) {
	background-image: url('/style/img/block2_back_mob.jpg');
	background-size: 100%;
	background-position: center;
}

.footer_block {
	background-size: 0.1%, 25%;
}

.footer_left {
	padding: 1em;
}

.footer_right {
	padding: 1em;
}

.categories_quad_row {
    width: 100%;
}

.categories_block {
    min-width: 100%;
    float:left;
    max-width: 100%;
    display : inline;
	padding-top: 5%;
	padding-bottom: 5%;
	padding-right: 0;
	padding-left: 0;
}

.categories_img {
	width: 35%;
	display: block;
    float:left;
	margin-bottom: 10%;
	margin-right: 6%;
}

.dot {
    width: 3em;
}


.leftimg_cat {
    width: 28pt;
}

}