@charset "UTF-8";
/*---------------------Подключение шрифтов-----------------------*/
@font-face {
  font-family: 'Oswald';
  src: url("/fonts/Oswald-SemiBold.woff2") format("woff2");
  font-display: swap;
  font-weight: 600;
  font-style: normal;
}

@font-face {
  font-family: 'Oswald';
  src: url("/fonts/Oswald-Medium.woff2") format("woff2");
  font-display: swap;
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: 'Oswald';
  src: url("/fonts/Oswald-Regular.woff2") format("woff2");
  font-display: swap;
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'Cuprum';
  src: url("/fonts/Cuprum-Regular.woff2") format("woff2");
  font-display: swap;
  font-weight: 400;
  font-style: normal;
}

/*---------------------Базовые стили-----------------------*/
* {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

img {
  max-width: 100%;
}

body {
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  font-size: 16px;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 15px;
}

/*--------------------------Переменные--------------------------*/
/*--------------------------Titles--------------------------*/
.title {
  text-transform: uppercase;
  letter-spacing: 2px;
}

.title1 {
  font-weight: 600;
  line-height: 1.48em;
  color: #3d5a80;
  font-size: 48px;
}

.title2 {
  color: #98c1d9;
  font-size: 36px;
  line-height: 1.2em;
}

.title3 {
  color: #293241;
  font-size: 18px;
  line-height: 2em;
}

/*--------------------------Text--------------------------*/
.text {
  color: #293241;
  font-family: 'Cuprum';
  line-height: 1.4em;
  letter-spacing: 1px;
}

/*--------------------------Buttons--------------------------*/
.btn {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1.5em;
  letter-spacing: 2px;
  padding: 10px 20px;
  -webkit-transition: 0.3s;
  transition: 0.3s;
  border-radius: 20px;
}

.btn-solid {
  background-color: #ee6c4d;
  color: #e0fbfc;
}

.btn-solid:hover {
  background-color: #e0fbfc;
  color: #293241;
  -webkit-transform: scale(1.2);
          transform: scale(1.2);
}

.btn-outline {
  background-color: #fff;
  color: #ee6c4d;
  border: 2px solid #ee6c4d;
}

.btn-outline:hover {
  color: #293241;
  border: 2px solid #293241;
}

/*--------------------------Link--------------------------*/
.hover {
  -webkit-transition: 0.2s;
  transition: 0.2s;
}

.hover:hover {
  color: #ee6c4d;
}

/*--------------------------Header--------------------------*/
.header__bg-color-top {
  background-color: #98c1d9;
}

.header-top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  padding: 10px;
}

.header-top__left,
.header-top__right {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  text-align: center;
}

.header-top__right {
  position: relative;
  top: 25px;
}

.header-top__text {
  margin-top: 15px;
}

.header__bg-color-bottom {
  background-color: rgba(224, 251, 252, 0.6);
}

.header-top__name {
  color: #293241;
}

.header-top__descr {
  font-size: 20px;
}

.header-bottom {
  padding: 20px;
}

.header-bottom__link {
  text-transform: uppercase;
}

.header-bottom__menu-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.header_fixed {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  -webkit-animation-name: show-header;
          animation-name: show-header;
  -webkit-animation-duration: 1s;
          animation-duration: 1s;
  background-color: rgba(224, 251, 252, 0.6);
  width: 100%;
  padding: 20px 10%;
}

@-webkit-keyframes show-header {
  0% {
    opacity: 0;
    top: -70px;
  }
  100% {
    opacity: 1;
    top: 0;
  }
}

@keyframes show-header {
  0% {
    opacity: 0;
    top: -70px;
  }
  100% {
    opacity: 1;
    top: 0;
  }
}

.menu-popup {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.8);
  top: -100%;
  left: 0;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

.open {
  top: 0;
}

.display {
  display: block;
}

.menu-icon {
  display: none;
  position: relative;
  width: 35px;
  height: 35px;
  background-color: #3d5a80;
  border-radius: 50%;
}

.menu-line {
  position: absolute;
  z-index: 20;
  left: 8px;
  display: inline-block;
  background: #fff;
  height: 2px;
  width: 20px;
}

.menu-line:nth-child(1) {
  top: 11px;
}

.menu-line:nth-child(2) {
  top: 17px;
}

.menu-line:nth-child(3) {
  top: 23px;
}

/*--------------------------Hero--------------------------*/
.hero {
  position: relative;
  background-image: url("/img/hero/hero-bg.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  padding: 150px 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  height: 100%;
  background-color: #fff;
  opacity: 0.6;
}

.hero__text-block {
  position: relative;
  z-index: 20;
  max-width: 70%;
}

/*--------------------------About-slider--------------------------*/
.about-slider__title {
  text-align: center;
  margin: 50px 0;
}

.slick-track {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.slick-list {
  overflow: hidden;
}

.slider {
  position: relative;
  width: 990px;
  height: 520px;
  margin: 0 auto;
  height: 530px;
  border: 4px solid #e0fbfc;
  border-radius: 50px;
}

.slider .slick-arrow {
  position: absolute;
  top: 50%;
  font-size: 0px;
  width: 30px;
  height: 30px;
  background-color: transparent;
  background-repeat: no-repeat;
  background-position: center;
}

.slider__item img {
  position: relative;
  top: 21px;
  left: 29px;
  width: 923px;
  height: 486px;
  -o-object-fit: cover;
     object-fit: cover;
}

.slick-prev {
  position: relative;
  z-index: 100;
  left: 0;
  background-image: url("/img/slider/left-arrow.svg");
  background-size: 30px 30px;
}

.slick-next {
  right: 0;
  background-image: url("/img/slider/right-arrow.svg");
  background-size: 30px 30px;
}

/*--------------------------About--------------------------*/
.about__flex-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.about {
  background-color: #e0fbfc;
  padding: 100px 0;
  margin: 100px 0;
}

.about__title {
  text-align: center;
  margin-bottom: 50px;
}

.about__text {
  margin: 30px 0;
}

.about__img {
  width: 525px;
  border-radius: 20px;
  margin-right: 50px;
}

.about__text-block {
  position: relative;
}

.about__btn {
  position: absolute;
  border: 2px solid #3d5a80;
  color: #3d5a80;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

/*-------------------------Advantages---------------------------*/
.advantages,
.projects {
  margin: 100px 0;
  text-align: center;
}

.advantages__title,
.projects__title {
  margin-bottom: 80px;
}

.advantages__item,
.projects__item {
  font-size: 18px;
  text-transform: uppercase;
  line-height: 2em;
  letter-spacing: 2px;
  color: #98c1d9;
  text-shadow: 0px 10px 10px rgba(0, 0, 0, 0.3);
  margin-bottom: 10px;
}

.advantages__text {
  padding-top: 100px;
  text-transform: uppercase;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5em;
  max-width: 915px;
  margin: 0 auto;
}

/*-------------------------Connection---------------------------*/
.connection {
  text-align: center;
  margin-bottom: 50px;
}

.connection__flex-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}

.connection__text {
  color: #ee6c4d;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.connection__button {
  max-width: 188px;
  margin: 0 auto;
}

.connection__img-block {
  margin: 0 auto;
  width: 80%;
  border-top-right-radius: 50px;
  border-top-left-radius: 50px;
  margin-bottom: 40px;
  overflow: hidden;
  -webkit-perspective: 1px;
          perspective: 1px;
}

.connection__img {
  position: relative;
  z-index: 10;
  -webkit-transform: scale(1.2);
          transform: scale(1.2);
  -webkit-transition: 1s;
  transition: 1s;
}

.connection__img:hover {
  -webkit-transform: scale(1);
          transform: scale(1);
}

/*-------------------------Footer---------------------------*/
.footer-top {
  padding: 30px 0;
}

.footer__flex-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.footer__bg-color-top {
  background-color: #3d5a80;
}

.footer__bg-color-bottom {
  background-color: #293241;
}

.footer__name {
  color: #e0fbfc;
}

.footer__menu-link,
.footer__question {
  display: inline-block;
  color: #e0fbfc;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 15px;
}

.footer__question {
  font-size: 18px;
}

.footer__text-block {
  max-width: 260px;
  text-align: center;
}

.footer__text {
  margin-bottom: 20px;
  color: #e0fbfc;
}

.footer-bottom {
  text-align: center;
  padding: 10px;
}

.footer-bottom span {
  font-weight: 500;
  color: #3d5a80;
  letter-spacing: 2px;
}

.footer__contacts-text,
.footer__contacts-link {
  color: #e0fbfc;
}

.footer__contacts-item {
  margin-bottom: 14px;
}

/*-------------------------Designing---------------------------*/
.designing {
  margin-bottom: 100px;
}

.designing__title, .designing__text:not(:nth-child(1)) {
  text-align: center;
}

.designing__doc-text {
  margin-top: 30px;
  text-align: center;
}

.designing__title {
  margin-top: 100px;
  margin-bottom: 40px;
}

.designing__flex-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.designing__flex-container .designing__text {
  max-width: 52%;
}

.designing__img {
  width: 40%;
  border-radius: 20px;
  margin-right: 15px;
  margin-bottom: 15px;
}

.designing__project-doc, .designing__pre-project, .designing__working-doc {
  background-color: rgba(224, 251, 252, 0.6);
  border-radius: 15px;
}

.designing__text {
  margin-left: 15px;
  margin-bottom: 15px;
}

/*-------------------------Algorithm---------------------------*/
.algorithm {
  text-align: center;
}

.stages__title {
  margin-bottom: 40px;
}

.stages__text {
  text-align: left;
  display: inline-block;
  margin-bottom: 30px;
  margin-top: 30px;
  max-width: 1140px;
  padding-left: 15px;
}

.stages__stage-text {
  max-width: 40%;
  margin: 0 auto;
  font-weight: 600;
  margin-bottom: 65px;
}

.stages__item {
  margin-top: 60px;
  padding: 60px 0 10px 0;
}

.stages__item:nth-child(even) {
  background-color: #e0fbfc;
}

.stages__item:nth-child(odd) {
  background-color: rgba(152, 193, 217, 0.4);
}

.stages__item:nth-child(1) .stages__img {
  background-image: url("/img/algorithm/search.svg");
}

.stages__item:nth-child(2) .stages__img {
  background-image: url("/img/algorithm/tasks.svg");
}

.stages__item:nth-child(3) .stages__img {
  background-image: url("/img/algorithm/vector.svg");
}

.stages__item:nth-child(4) .stages__img {
  background-image: url("/img/algorithm/build.svg");
}

.stages__item:nth-child(5) .stages__img {
  background-image: url("/img/algorithm/tasks.svg");
}

.stages__item:nth-child(6) .stages__img {
  background-image: url("/img/algorithm/money.svg");
}

.stages__item:nth-child(7) .stages__img {
  background-image: url("/img/algorithm/tasks.svg");
}

.stages__item:nth-child(8) .stages__img {
  background-image: url("/img/algorithm/human.svg");
}

.stages__img {
  position: relative;
  bottom: 30px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  width: 75px;
  height: 75px;
  margin: 0 auto;
}

/*-------------------------Accordion---------------------------*/
.accordion {
  margin-bottom: 100px;
}

.accordion__title {
  margin: 0 0 30px 10px;
}

.accordion__item {
  position: relative;
  z-index: 10;
  width: 185px;
  overflow: hidden;
  padding: 2px 2px 0;
  cursor: pointer;
  -webkit-transition: 0.6s;
  transition: 0.6s;
}

.accordion__item:hover {
  width: 950px;
  -webkit-transition: 0.8s;
  transition: 0.8s;
}

.accordion__item:hover .accordion__project-title,
.accordion__item:hover .accordion__btn {
  display: inline-block;
}

.accordion__item:hover:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.2;
}

.accordion__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  border-radius: 30px;
  overflow: hidden;
  -webkit-perspective: 1px;
          perspective: 1px;
}

.accordion__img {
  -o-object-fit: cover;
     object-fit: cover;
  height: 400px;
  width: 600px;
}

.accordion__project-title, .accordion__btn {
  position: absolute;
  left: 30px;
  z-index: 20;
  display: none;
}

.accordion__project-title {
  top: 75px;
  color: #fff;
  line-height: 1.5em;
  min-width: 450px;
}

.accordion__btn {
  top: 145px;
  background-color: #3d5a80;
}

/*-------------------------Researches---------------------------*/
.researches {
  margin-bottom: 100px;
  text-align: center;
}

.researches__text {
  margin-top: 30px;
}

.researches__list {
  margin-top: 30px;
  margin-left: 65px;
}

.researches__item {
  list-style: disc !important;
  text-align: left;
  margin-bottom: 10px;
}

/*-------------------------Projects---------------------------*/
.projects__item-container {
  margin-top: 60px;
  text-align: center;
  border: 1px solid #98c1d9;
  -webkit-box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.5);
          box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.5);
}

.projects__item-text-content {
  max-width: 50%;
  margin: 0 auto;
}

.projects__item-title, .projects__list-item-name {
  font-weight: 600;
}

.projects__item-title {
  margin-bottom: 10px;
}

.projects__item-img-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  margin-top: 40px;
}

.projects__item-img {
  padding-bottom: 40px;
  margin: 0 auto;
}

.projects__item-document-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-bottom: 30px;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 20px;
}

.projects__item-document {
  width: 100px;
  border: 2px solid #98c1d9;
  margin: 0 5px;
  cursor: -webkit-zoom-in;
  cursor: zoom-in;
}

.projects__item-document:focus {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: auto;
  height: auto;
  max-width: 115%;
  max-height: 115%;
  margin: auto;
  -webkit-box-shadow: 0 0 20px #000, 0 0 0 1000px rgba(210, 210, 210, 0.4);
          box-shadow: 0 0 20px #000, 0 0 0 1000px rgba(210, 210, 210, 0.4);
}

/*-------------------------Popup---------------------------*/
.popup {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 200;
  background-color: rgba(0, 0, 0, 0.8);
  top: 0;
  left: 0;
  opacity: 0;
  visibility: hidden;
  overflow-y: auto;
  overflow-x: hidden;
}

.popup__text {
  text-align: center;
  margin-bottom: 15px;
}

.popup__form-item, .popup__textarea, .popup__dropdown-list {
  width: 85%;
  height: 47px;
  border: 1px solid #98c1d9;
  border-radius: 4px;
  padding: 0 15px;
  margin-left: 38px;
  margin-bottom: 10px;
}

.popup__textarea {
  padding-top: 5px;
  max-width: 450px;
  min-width: 450px;
  min-height: 47px;
}

.popup__dropdown {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}

.popup__dropdown span {
  text-align: left;
  margin-left: 38px;
}

.popup__checkbox {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.popup__checkbox .popup__form-item {
  width: 14px;
  height: 14px;
}

.popup__checkbox .popup__text {
  position: relative;
  top: 3px;
  margin-left: 10px;
}

.popup__file {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}

.popup__file .popup__text {
  text-align: left;
  padding-left: 38px;
}

.popup__file .popup__form-item {
  padding-top: 9px;
}

.popup__button {
  margin-left: 40px;
}

.popup__content {
  margin-top: 110px;
  margin-bottom: 40px;
}

.popup__close {
  position: absolute;
  top: 70px;
  right: 10px;
  display: inline-block;
  background-image: url("/img/popup/croce (1).svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  width: 33px;
  height: 33px;
}

.popup:target {
  opacity: 1;
  visibility: visible;
}

.popup:target .popup__body {
  -webkit-transform: translate(0px, 0px);
          transform: translate(0px, 0px);
  opacity: 1;
}

.popup__area {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.popup__button {
  cursor: pointer;
}

.popup__body {
  position: relative;
  min-height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 530px;
  float: right;
  background-color: #fff;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
  overflow: hidden;
  -webkit-perspective: 1px;
          perspective: 1px;
  -webkit-transform: translate(100%, 0px);
          transform: translate(100%, 0px);
  opacity: 0;
  -webkit-transition: 0.8s;
  transition: 0.8s;
}

.bg-color {
  display: block;
  background-color: #e0fbfc;
  padding: 10px 0;
}

/*-------------------------Reference---------------------------*/
.reference {
  margin-bottom: 100px;
}

.reference__main-title, .reference__title {
  text-align: center;
}

.header-table {
  margin-top: 90px;
  padding: 5px 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: distribute;
      justify-content: space-around;
}

.header-table__name, .header-table__year {
  font-weight: 700;
}

.header-table__year {
  position: relative;
  left: 53px;
}

.header-table__name {
  position: relative;
  left: 32px;
}

.header-table,
.body-table__text-block {
  border: 1px solid #98c1d9;
  -webkit-box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.3);
          box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.3);
  width: 100%;
  font-size: 18px;
}

.body-table__text-block {
  position: relative;
  padding: 25px;
  margin-top: 30px;
  bottom: 10px;
}

.body-table__year {
  position: absolute;
  right: 169px;
  font-weight: 600;
}

.body-table__name {
  display: inline-block;
  max-width: 755px;
}

.margin {
  right: 143px;
}