* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}
a,
a:hover,
a:visited {
  color: inherit;
  text-decoration: none;
}

input {
  all: unset;
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}
input:-webkit-autofill,
input:-webkit-autofill:focus {
  transition: background-color 0s 600000s, color 0s 600000s !important;
}
button {
  padding: 0;
  border: none;
  font: inherit;
  color: inherit;
  background-color: transparent;
  cursor: pointer;
  -webkit-touch-highlight-color: rgba(0, 0, 0, 0);
}
html,
body {
  margin: 0px;
  padding: 0px;
  width: 100vw;

  vertical-align: middle;
  background: hsla(0, 0%, 0%, 1);

  outline: 0;
}
body {
  overflow-x: hidden;
  
}

.container {
  display: block;
  margin: 0 auto;
  position: relative;
  max-width: 2560px;
  height: 100vh;
  width: 100%;
  
}
.shadow {
  background: hsla(0, 100%, 4%, 0.5);
  opacity: 1;
  z-index: 9;
  width: 100%;
  height: 100%;
  position: fixed;
  display: block;
}
.side-menu {
  display: none;
}
.scroll_body {
  overflow-y: hidden;
  position: fixed;
}
.hamb {
  cursor: pointer;
  right: 0;
  padding: 35px 20px;
  position: fixed;
  z-index: 12;
  top: 5px;
  color: hsla(0, 0%, 100%, 1);
}
.hamb-line {
  display: block;
  height: 5px;
  position: relative;
  width: 35px;
  background: hsla(175, 66%, 51%, 1); /* rgba(255, 255, 255, 0.52)*/
  transform: matrix(1, 0, 0, -1, 0, 0);
  border-radius: 10px;
}
.hamb-line::before,
.hamb-line::after {
  content: "";
  display: block;
  height: 100%;
  position: absolute;
  transition: all 0.2s ease-out;
  width: 100%;
  background: hsla(175, 66%, 51%, 1); /* rgba(255, 255, 255, 0.52)*/
  transform: matrix(1, 0, 0, -1, 0, 0);
  border-radius: 10px;
}

.hamb-line::before {
  top: 10px;
}

.hamb-line::after {
  top: -11px;
}
/* Toggle menu icon */
.side-menu:checked ~ nav {
  max-height: 100%;
}

.side-menu:checked ~ .hamb .hamb-line {
  background: transparent;
}

.side-menu:checked ~ .hamb .hamb-line::before {
  transform: rotate(-45deg);
  top: 0;
}

.side-menu:checked ~ .hamb .hamb-line::after {
  transform: rotate(45deg);
  top: 0;
}
.up_block {
  background-image: url(../img/main.png);
  background-repeat: no-repeat;
  height: calc(100vw * (9 / 17.5));
  max-width: 100%;
  background-position: center top;
  background-size: contain;
  position: relative;
}
.menu li a {
  font-family: "DM Sans";
  font-weight: 400;
  font-size: 20px;
  line-height: 100%;
  letter-spacing: 0%;
  text-transform: uppercase;
  color: hsla(0, 22%, 11%, 1);
}
.menu li {
  display: block;
  margin: auto;
  width: fit-content;
}
.header_logo img {
  display: block;
  margin: auto;
}
.social_links_wrapper {
  height: 100vh;
}
.social_links {
  width: 70px;
  height: 158px;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
  background: hsla(175, 66%, 51%, 1);
  position: fixed;

  top: 50vh;
  right: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0 auto;
  text-align: center;
  float: right;
  z-index: 8;
}
.social_links div {
  margin: 5px;
}

.main_text_block h1 {
  font-family: "Inter";
  font-weight: 400;
  font-size: 98px;
  line-height: 125%;
  letter-spacing: 7px;
  color: hsla(0, 0%, 100%, 1);
}
.main_text_block {
  background: hsla(0, 0%, 18%, 0.5);
  width: 49%;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  max-width: 996px;
  margin-left: 70px;
  padding: 5%;
  margin-top: 133px;
  bottom: 12%;
  position: absolute;
}
.block2 {
  display: flex;
  max-width: 1920px;
  padding: 100px 143px 100px 132px;
  margin: 0 auto;
  justify-content: space-between;
}
.line {
  height: 2px;
  width: 100%;
  background: hsla(175, 66%, 51%, 1);
  border: none;
  position: relative;
  top: -2px;
}
.block2_img {
  width: fit-content;
  border-radius: 10px;
  border-width: 2px;
  display: flex;
  margin: auto 0;
  order: 1;
}
.block2_img.a1 img {
  margin: 0 18px;
}
.block2_txt h3,
.block3_header h3,
.contacts_info h3 {
  font-family: "DM Sans";
  font-weight: 300;
  font-size: 18px;
  line-height: 100%;
  letter-spacing: 0;
  text-transform: uppercase;
  color: hsla(175, 66%, 51%, 1);
  margin-bottom: 13px;
}
.block2_txt h2,
.block3_header h2,
.block3_txt h2,
.contacts_info h2 {
  font-family: "Inter";
  font-weight: 400;
  font-size: 30px;
  line-height: 100%;
  letter-spacing: 0;
  text-transform: uppercase;
  color: hsla(0, 0%, 100%, 1);
  margin-bottom: 50px;
}
.block2_txt_p,
.block3_header p,
.block3_txt p,
.contacts_info p,
.contacts_link a {
  font-family: "Inter";
  font-weight: 400;
  font-size: 18px;
  line-height: 150%;
  letter-spacing: 0;
  color: hsla(0, 0%, 100%, 1);
}
.item {
  display: flex;
  transform: translateX(0%);
  visibility: hidden;
     

}
.item p {
  font-family: "Inter";
  font-weight: 400;
  font-size: 18px;
  line-height: 180%;
  letter-spacing: 0;
  color: hsla(0, 0%, 100%, 1);
}
.block2_txt {
  max-width: 675px;
  width: 100%;
  order: 2;
}
.list_items {
  margin: 33px 0;
}
.item img {
  margin-right: 10px;
}
.block2_img img {
  width: 800px;
  max-width: 100%;
}
.block2_img.a1 {
  order: 2;
}
.block2_txt.a2 {
  max-width: 694px;
  width: 100%;
  margin: auto 0;
}
.block3 {
  display: block;
  max-width: 1920px;
  padding: 100px 132px 100px 132px;
  margin: 0 auto;
   overflow: hidden;
}
.block2.a3,
.contact_block {
  padding: 100px 194px 100px 194px;
  max-width: 1920px;
  margin: 0 auto;
}
.contact_block {
  position: relative;
}
.block3_header {
  margin: 0 auto;
}
.block3_header h3,
.block3_header h2 {
  text-align: center;
}
.block3_header p {
  width: 520px;
  text-align: center;
  margin: 0 auto;
}
.block3_img {
  display: flex;
  flex-direction: column;
  margin: auto 0;
  order: 1;
}
.block3_items {
  display: flex;
  justify-content: space-between;
  margin-top: 90px;
  
 
}
.block3_item {
  width: 100%;
  height: 100px;
  border-width: 2px;
  border-radius: 10px;
  border: 2px solid hsla(0, 0%, 100%, 1);
  display: flex;
  margin: 16px 0;
  visibility: hidden;
  
  
  
}

.anime1{
  transform: translateX(150%);
  
}

.anime1:nth-child(1) {
  animation: ani 1.5s forwards;
}
.anime1:nth-child(2) {
  animation: ani 1.5s forwards 0.5s;
}
.anime1:nth-child(3) {
  animation: ani 1.5s forwards 1s;
}
.anime1:nth-child(4) {
  animation: ani 1.5s forwards 1.5s;
}
.anime1:nth-child(5) {
  animation: ani 1.5s forwards 2s;
}

.anime2 {
  transform: translateY(-150%);
  opacity: 0;
  animation: ani1 1s linear forwards

  
 
}
.anime2:nth-child(1){
  animation: ani1 0.6s linear  forwards;
  transform: translateY(-150%);
  
  
}
.anime2:nth-child(2){
  animation: ani1 0.6s linear  forwards;
  transform: translateY(-140%);
  animation-delay: 0.5s
  
}
.anime2:nth-child(3){
  animation: ani1 0.6s linear  forwards;
  transform: translateY(-120%);
  animation-delay: 1s
 
}
.anime2:nth-child(4){
  animation: ani1 0.6s linear  forwards;
  transform: translateY(-100%);
  animation-delay: 1.5s
}
.anime2:nth-child(5){
  animation: ani1 0.6s linear  forwards ;
  transform: translateY(-80%);
  animation-delay: 2s
}
.anime2:nth-child(6){
  animation: ani1 0.6s linear  forwards ;
  transform: translateY(-60%);
  animation-delay: 2.5s
}
.anime2:nth-child(7){
  animation: ani1 0.6s linear  forwards ;
  transform: translateY(-40%);
  animation-delay: 3s
}
.anime2:nth-child(8){
  animation: ani1 0.6s linear  forwards ;
  transform: translateY(-20%);
  animation-delay: 3.5s
}
.anime2:nth-child(9){
  animation: ani1 0.6s linear  forwards ;
  transform: translateY(-10%);
  animation-delay: 4s
}
.block3_item:last-child {
  margin: 0;
}
@keyframes ani {
  0% {transform: translateX(150%);}
  100% {transform: translateY(0);}
}
@keyframes ani1 {
  0% {transform: translateY(-150%);
  opacity: 0; }
 
  100% {transform: translateY(0);
  opacity: 1; }
}

.block3_item p {
  margin: auto 0 auto 39px;
}
.block3_item div {
  border-right: 2px solid hsla(0, 0%, 100%, 1);
  padding: 12px 12px;
  width: 100px;
}
.block3_txt {
  width: 710px;
  display: block;
  margin: auto 0;
  order: 2;
}
.block3_img img {
  width: 100%;
  margin: 18px;
}
.block3_list_items {
  margin-top: 48px;
}
.block2_img.a1 img {
  width: 100%;
}
.contact_block_items {
  display: flex;
  justify-content: space-between;
}
.contacts_link div {
  width: 100px;
  height: 100px;
  border: 2px solid hsla(0, 0%, 100%, 1);
  border-radius: 10px;
  display: flex;
}
.contacts_link div img {
  display: block;
  margin: auto;
  text-align: center;
}
.contacts_link {
  display: flex;
  margin-top: 31px;
}
.contacts_link a {
  display: block;
  margin: auto 0 auto 45px;
}
.phone_link {
  cursor: none;
}
#formname,
#formtel,
#formemail {
  width: 100%;
  max-width: 774px;
  border-width: 2px;
  border-radius: 10px;
  border: 2px solid hsla(0, 2%, 72%, 1); /*error #ff5e00*/
  padding: 42px 47px;
  box-sizing: border-box;
  color: hsla(0, 0%, 100%, 1);
  font-family: "Inter";
  font-weight: 400;
  font-size: 20px;
  line-height: 100%;
  letter-spacing: 0;
  margin-bottom: 10px;
  height: 100px;
}
.input::placeholder {
  font-family: "Inter";
  font-weight: 400;
  font-size: 20px;
  line-height: 100%;
  letter-spacing: 0;
  text-transform: uppercase;
}
.name {
  margin: 22px 0;
  width: 774px;
  max-width: 100%;
}
.name:first-child {
  margin: 0 0 22px 0;
}
.contacts_info {
  width: 100%;
  max-width: 498px;
  margin: auto 0;
}
.button_form {
  width: 197px;
  height: 55px;
  border-radius: 10px;
  background: hsla(0, 2%, 72%, 1);
  font-family: "Inter";
  font-weight: 400;
  font-size: 20px;
  line-height: 100%;
  letter-spacing: 0%;
  text-transform: uppercase;
  cursor: none;
}
.button_active {
  background: hsla(175, 66%, 51%, 1);
  cursor: pointer;
}
.button_active:hover{
  transform: scale(0.95);
}
.error {
  color: #ff5e00;
  font-family: "Inter";
  font-weight: 400;
  font-size: 16px;
  line-height: 100%;
  letter-spacing: 0;
}
footer {
  height: 116px;
}
.footer_block div,
.footer_block a {
  font-family: "Inter";
  font-weight: 300;
  font-size: 16px;
  line-height: 100%;
  letter-spacing: 0;
  color: hsla(0, 0%, 100%, 1);
  width: 33%;
  text-align: center;
}
.footer_block {
  display: flex;
  justify-content: center;
  padding-top: 52px;
}
.footer_block a span {
  font-family: "Montserrat";
  font-weight: 500;
  font-size: 16px;
  line-height: 100%;
  letter-spacing: 0%;
}
.button_wrapper {
  display: block;
  width: 100%;
  margin: 0 auto;
}
.nav {
  background: transparent;

  overflow: hidden;
  right: 0;
  width: 346px;
  /*height: 845px;*/
  margin-top: 0;
  position: fixed;
  z-index: 11;
  max-height: 0%;
  transition: max-height 0.5s ease-out;
  top: 0;
  bottom: 0;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  overflow-y: auto;
  white-space: nowrap;
}
.menu {
  height: 100%;
  display: flex;
  flex-direction: column;
}
.powered {
  display: none;
  font-family: "Montserrat";
  font-weight: 300;
  font-size: 16px;

  line-height: 100%;
  letter-spacing: 0;
  color: hsla(0, 0%, 100%, 1);
  margin-bottom: 37px;
}
.powered a span {
  font-family: "Montserrat";
  font-weight: 500;
  font-size: 16px;

  line-height: 100%;
  letter-spacing: 0;
}
.location {
  display: block;
}
.social_links div {
  margin: auto 5%;
}

.main_text_b {
  display: none;
  background: hsla(0, 0%, 18%, 0.5);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.main_text_b h1 {
  font-family: "Inter";
  font-weight: 400;
  font-size: 75px;

  line-height: 125%;
  letter-spacing: 7px;
  color: hsla(0, 0%, 100%, 1);
}
.link {
  position: relative;
}
.link::after {
  left: 50%;
  transform: translate(-50%);

  position: absolute;
  content: "";
  bottom: 0;
  display: block;
  width: 0;
  height: 2px;
  background: #282c34;
  transition: 0.3s;
}
.link:hover:after {
  width: 100%;
}
.social_links div:hover {
  transform: scale(0.95);
}
.result {
  width: 500px;
  height: 276px;
  border-radius: 10px;
  background: #30d5c8;
  padding: 30px 30px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: none;
  z-index: 12;
}
.result div h3 {
  font-family: "Inter";
  font-weight: 400;
  font-size: 50px;

  line-height: 100%;
  letter-spacing: 0;
  text-align: center;
  text-transform: uppercase;
  color: #000000;
}
.result div p {
  font-family: "Inter";
  font-weight: 400;
  font-size: 20px;

  line-height: 150%;
  letter-spacing: 0;
  text-align: center;
  color: #000000;
  margin-top: 20px;
}
.close::before,
.close::after {
  content: "";
  display: block;
  height: 100%;
  position: absolute;
  transition: all 0.2s ease-out;
  width: 100%;
  background: #0d0000;
  transform: matrix(1, 0, 0, -1, 0, 0);
  border-radius: 10px;

  top: 0;
}
.close::before {
  transform: rotate(-45deg);
}
.close::after {
  transform: rotate(45deg);
}

.close {
  display: block;
  height: 5px;
  position: relative;
  width: 35px;
  float: right;
  transform: matrix(1, 0, 0, -1, 0, 0);
  border-radius: 10px;
}
.result div {
  margin: 30px;
}
#email_a:hover,
#powered_a:hover{
  color:#30D5C8;
  transform: scale(0.98);

}


@media (min-width: 1026px) {
  .hamb {
    display: none;
  }
  .nav {
    min-height: fit-content;
    height: 100%;
    width: 100%;
    right: 0;
    position: relative;
    /* z-index: 99999;*/
    display: flex;
    justify-content: start;
  }
  .menu {
    display: flex;
    padding: 0px;
    height: 100%;
    flex-direction: row;
    width: 900px;
    margin: 30px 3%;
  }

  .contact_in_menu {
    display: none;
  }
}
@media (min-width: 1921px) {
  .up_block {
    margin: 0 auto;
    height: calc(100vw * (9 / 17.5));
    max-width: 2560px;
  }
}
@media (min-width: 2561px) {
  .up_block {
    background-size: contain;
    height: 1320px;
  }
  .main_text_block {
    bottom: 362px;
  }
}
@media (max-width: 1850px) {
  .block2 {
    padding: 100px 100px 100px 100px;
  }

  .block2.a3,
  .contact_block {
    padding: 100px 130px 100px 130px;
  }
  .block3 {
    padding: 100px 100px 100px 100px;
  }
  .block3_img img {
    width: 90%;
  }
  .main_text_block h1 {
    font-size: 92px;
  }
}
@media (max-width: 1700px) {
  .block2_img img {
    max-width: 90%;
  }
  .block2_img.a1 img {
    width: 43%;
  }
      .main_text_block h1 {
        font-size: 88px;
    }
}
@media (max-width: 1600px) {
  .main_text_block h1 {
    font-size: 79px;
  }
  .menu {
    margin: 19px 3%;
    width: 794px;
  }
  .menu li a {
    font-size: 17px;
    font-weight: 300;
  }
  .block2_txt.a2 {
    width: 51%;
  }
  .block3_item {
    height: 90px;
  }
  .block3_item div img {
    width: 95%;
  }

  .name {
    margin: 22px auto;
  }
  .name:first-child {
    margin: 0 auto 22px auto;
  }

  .block2 {
    padding: 100px 80px 100px 80px;
  }
  .block2.a3,
  .contact_block {
    padding: 100px 80px 100px 80px;
  }
  .block3 {
    padding: 100px 80px 100px 80px;
  }
  .contacts_info {
    width: 45%;
  }
  .form_block {
    width: 55%;
  }
}
@media (max-width: 1439px) {
  .main_text_block h1 {
    font-size: 68px;
  }
  .block2 {
    padding: 100px 75px 50px 75px;
  }
  .block2_txt {
    max-width: 675px;
    width: 59%;
  }
  .block2_txt.a2 {
    width: 44%;
  }
  .block2.a3 {
    padding: 50px 75px 50px 75px;
  }

  .block2_img.a1 img {
    width: 40%;
  }
  .block2_img.a1 {
    justify-content: end;
  }
  .block3 {
    padding: 50px 75px 50px 75px;
  }
  .name,
  .button_wrapper {
    max-width: 85%;
  }
  .header_logo img {
    width: 92%;
  }
  .menu {
    margin: 15px 3%;
  }
  .nav {
    justify-content: start;
  }

  .block3_items {
    margin-top: 70px;
  }
}
@media (max-width: 1300px) {
  .main_text_block {
    display: none;
  }
  .main_text_b {
    display: flex;
    padding: 50px 80px;
    margin-bottom: 50px;
  }
  .block2 {
    flex-direction: column;
  }
  .block2_img {
    order: 2;
    margin: 33px auto;
  }
  .block2_txt {
    order: 1;
  }
  .block2,
  .block2.a3,
  .block3 {
    padding: 50px 10% 50px 10%;
  }
  .contact_block {
    padding: 50px 10% 100px 10%;
  }
  .block2_txt,
  .block2_txt.a2,
  .block3_txt,
  .contacts_info,
  .form_block {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
  }
  .block2_img img {
    max-width: 100%;
  }
  .block3_img img {
    width: 100%;
    max-width: 800px;
    margin: 18px auto;
  }
  .block2_img.a1 {
    justify-content: space-around;
    width: 800px;
    max-width: 100%;
  }
  .block3_items {
    flex-direction: column;
  }
  .block3_img {
    order: 2;
    margin: 33px 0;
  }
  .block3_txt {
    order: 1;
  }
  .block3_txt h2 {
    text-align: center;
  }
  .menu li.header_logo {
    width: 30%;
  }
  .menu {
    width: 678px;
    margin: 13px 70px;
  }
  .footer_block div:first-child {
    display: none;
  }
  .footer_block div,
  .footer_block a {
    width: 50%;
  }
  .footer_block {
    padding: 52px 80px;
  }
  .footer_block div {
    text-align: left;
  }
  .footer_block a {
    text-align: right;
  }
  .contact_block_items {
    flex-direction: column;
  }
  .contacts_items {
    display: flex;
    width: 100%;
    justify-content: space-between;
  }
  .contacts_link a {
    margin: auto 0 auto 25px;
  }
  .contacts_link {
    margin: 31px 0;
  }
  .name,
  .button_wrapper {
    max-width: 100%;
  }
  #formname,
  #formtel,
  #formemail {
    max-width: 800px;
  }
  .name {
    width: 800px;
  }
  .button_wrapper {
    width: 100%;
  }
  .block2_img.a1 img {
    margin: 0;
    width: 44%;
  }
}

@media (max-width: 1025px) {
  .menu {
    width: 300px;
  }
  .menu li a {
    color: hsla(0, 0%, 100%, 1);
  }
  .menu li {
    margin: 0 0 30px 0;
  }
  .menu li.about_link,
  .menu li.vision_link,
  .menu li.project_link,
  .menu li.contact_in_menu {
    margin: 15px 0 15px 42px;
  }
  .side-menu:checked ~ .hamb .hamb-line::after,
  .side-menu:checked ~ .hamb .hamb-line::before {
    background: hsla(0, 0%, 100%, 1);
    z-index: 12;
  }
  .menu {
    justify-content: center;
    margin: 0 23px;
  }
  .header_logo img {
    width: 299px;
  }
  .powered {
    display: flex;
    justify-content: center;
  }
  .nav {
    background: #000000;
  }
  .social_links {
    width: 100%;
    height: 70px;
    bottom: 0;
    top: auto;
    border-top-left-radius: 0px;
    border-bottom-left-radius: 0px;
    flex-direction: row;
   
  }

  footer {
    display: none;
  }
  .contacts_items {
    display: none;
  }
  .form_block {
    margin-top: 50px;
  }
}
@media (max-width: 950px) {
  .main_text_b h1 {
    font-size: 65px;
  }
}
@media (max-width: 900px) {
  .main_text_b h1 {
    font-size: 63px;
  }
}
@media (max-width: 800px) {
  .main_text_b h1 {
    font-size: 60px;
  }
}
@media (max-width: 769px) {
  .main_text_b h1 {
    font-size: 58px;
  }
  .main_text_b {
    padding: 50px 50px;
  }
  .block2,
  .block2.a3,
  .block3 {
    padding: 50px 8% 50px 8%;
  }
  .contact_block {
    padding: 50px 8% 100px 8%;
  }
  #formname,
  #formtel,
  #formemail {
    font-size: 18px;
    padding: 25px 25px;
    height: 60px;
  }
  .name:first-child {
    margin: 0 auto 20px auto;
  }
  .name {
    margin: 20px auto;
  }
  .block3_header p {
    width: 100%;
  }
  .input::placeholder {
    font-size: 16px;
  }
  .result {
    width: 370px;
  }
  .result div h3 {
    font-size: 40px;
  }
  .result div p {
    font-size: 18px;
  }
  .result div {
    margin: 30px 20px 20px 20px;
  }
}
@media (max-width: 700px) {
  .main_text_b h1 {
    font-size: 56px;
  }
  .block3_item div {
    width: 60px;
    padding: 7px 7px;
    display: flex;
  }
  .block3_item {
    height: 60px;
  }
  .block3_item p {
    margin: auto 0 auto 22px;
  }
}
@media (max-width: 650px) {
  .main_text_b h1 {
    font-size: 54px;
  }
}
@media (max-width: 600px) {
  .main_text_b h1 {
    font-size: 52px;
  }
  .main_text_b {
    padding: 50px 40px;
  }
  .block2_txt h3,
  .block3_header h3,
  .contacts_info h3 {
    font-size: 17px;
  }
  .block2_txt h2,
  .block3_header h2,
  .block3_txt h2,
  .contacts_info h2 {
    font-size: 29px;
  }
  .block2_txt_p,
  .block3_header p,
  .block3_txt p,
  .contacts_info p,
  .contacts_link a,
  .item p {
    font-size: 17px;
  }
  .block3_item p {
    width: 73%;
  }

  .main_text_b {
    margin-bottom: 0;
  }
  .block2_txt h2,
  .block3_header h2,
  .block3_txt h2,
  .contacts_info h2 {
    margin-bottom: 40px;
  }
  .block3_items {
    margin-top: 60px;
  }
  .contact_block {
    padding: 30px 8% 100px 8%;
  }
  #formname,
  #formtel,
  #formemail {
    font-size: 17px;
    padding: 20px 20px;
    height: 54px;
  }
  .name:first-child {
    margin: 0 auto 18px auto;
  }
  .name {
    margin: 18px auto;
  }
}
@media (max-width: 500px) {
  .main_text_b h1 {
    font-size: 51px;
    letter-spacing: 5px;
  }
  .main_text_b {
    padding: 50px 30px;
  }
  .result div h3 {
    font-size: 38px;
  }
  .result div p {
    font-size: 17px;
  }
  .result {
    width: 300px;
    padding: 30px 20px;
  }
  .close {
    width: 30px;
  }
  .result div {
    margin: 30px 10px 10px 10px;
  }
}
@media (max-width: 450px) {
  .main_text_b h1 {
    font-size: 50px;
    letter-spacing: 4px;
  }
  .main_text_b {
    padding: 30px 18px;
  }
  .block2,
  .block2.a3,
  .block3 {
    padding: 50px 5% 50px 5%;
  }
  .block2_txt_p,
  .block3_header p,
  .block3_txt p,
  .contacts_info p,
  .contacts_link a,
  .item p {
    font-size: 16px;
  }
  .contact_block {
    padding: 30px 5% 100px 5%;
  }
  .block3_img img {
    margin: 10px auto;
  }
}
@media (max-width: 409px) {
  .main_text_b h1 {
    font-size: 48px;
  }
  .block2_txt h3,
  .block3_header h3,
  .contacts_info h3 {
    font-size: 16px;
  }
  .block2_txt h2,
  .block3_header h2,
  .block3_txt h2,
  .contacts_info h2 {
    font-size: 28px;
  }
  .block2_txt_p,
  .block3_header p,
  .block3_txt p,
  .contacts_info p,
  .contacts_link a,
  .item p {
    font-size: 15px;
  }
  .nav {
    width: 300px;
  }
  .menu {
    width: 260px;
    margin: auto;
  }
  .header_logo img {
    width: 260px;
  }
  .menu li.about_link,
  .menu li.vision_link,
  .menu li.project_link,
  .menu li.contact_in_menu {
    margin: 15px 0 15px 10px;
  }
}
@media (max-width: 390px) {
  .main_text_b h1 {
    font-size: 45px;
  }
  .block2,
  .block2.a3,
  .block3 {
    padding: 50px 5% 20px 5%;
  }
  .block2_txt h2,
  .block3_header h2,
  .block3_txt h2,
  .contacts_info h2 {
    font-size: 27px;
  }
  .block2_txt_p,
  .block3_header p,
  .block3_txt p,
  .contacts_info p,
  .contacts_link a,
  .item p {
    font-size: 14px;
  }
  .block3_items {
    margin-top: 40px;
  }
  .powered,
  .powered a span {
    font-size: 12px;
  }
}
@media (max-width: 360px) {
  .main_text_b h1 {
    font-size: 38px;
  }
  .block2_txt h3,
  .block3_header h3,
  .contacts_info h3 {
    font-size: 15px;
  }
  .block2_txt_p,
  .block3_header p,
  .block3_txt p,
  .contacts_info p,
  .contacts_link a,
  .item p {
    font-size: 13px;
  }
  .block2,
  .block2.a3,
  .block3 {
    padding: 50px 5% 20px 5%;
  }
  .contact_block {
    padding: 30px 5% 90px 5%;
  }
  .nav {
    width: 280px;
  }
  .menu,
  .header_logo img {
    width: 240px;
  }
  .result div h3 {
    font-size: 36px;
  }
  .result div p {
    font-size: 15px;
  }
  .result {
    width: 280px;
    padding: 30px 10px;
    height: 250px;
  }
}
@media (max-width: 350px) {
  .block2_txt_p,
  .block3_header p,
  .block3_txt p,
  .contacts_info p,
  .contacts_link a,
  .item p {
    font-size: 12px;
  }
}