@import url(https://fonts.googleapis.com/css2?family=Source+Sans+Pro&display=swap);@charset "UTF-8";
@font-face {
  font-family: "Open Sans";
  src: url("../fonts/OpenSans-Regular.ttf") format("truetype"), url("../fonts/opensans-regular-webfont.woff") format("woff");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Merriweather";
  src: url("../fonts/Merriweather-Regular.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Montserrat";
  src: url("../fonts/Montserrat-Regular.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Assistant";
  src: url("../fonts/Assistant-Regular.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}
html {
  margin: 0 !important;
}

main {
  min-height: 100vh;
}

.home {
  background: url("../images/karahunj.jpg") no-repeat fixed;
  background-size: cover;
  min-height: 450px;
}

.home-content {
  justify-content: center;
  padding-top: 380px;
}

.home-content__text {
  background-color: rgba(35, 35, 35, 0.3);
  color: white;
  font-size: 30px;
  font-style: italic;
  font-family: "Merriweather", sans-serif;
  padding: 25px 5px;
  display: inline-block;
  text-align: center;
}

.header {
  background-color: #f5f5f5;
}

.top-menu {
  display: flex;
  width: 100%;
  justify-content: center;
  padding: 12px 0 12px 0;
  transition: padding 0.1s linear;
  background-color: transparent;
  z-index: 1;
}

.nav-bar {
  display: flex;
  flex-basis: 1221px;
  justify-content: space-between;
  padding: 5px 0 5px 0;
  align-items: center;
}

.nav-bar__logo {
  margin-left: 10px;
}

.nav-bar__logo > img {
  height: 62px;
}

.nav-bar__links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-basis: 606px;
  margin-right: 65px;
}

.nav-bar__link {
  color: #1d5b9e;
  font-size: 16px;
  font-family: "Montserrat", sans-serif;
  font-weight: bold;
  cursor: pointer;
}

.nav-bar__link:link {
  text-decoration: none;
}

.nav-bar__link:hover {
  color: #987454;
}

.nav-bar__mobile-button {
  display: none;
  z-index: 999;
}

.nav-bar__mobile-close-menu {
  width: 41px;
  height: 41px;
  margin-right: 20px;
}

@media (max-width: 991px) {
  .nav-bar__mobile-button {
    display: block;
    cursor: pointer;
    margin-right: 10px;
  }

  .nav-bar__mobile-close-menu {
    display: none;
  }

  .nav-bar__links_mobile {
    position: fixed;
    width: 100%;
    transform: translateX(100%);
    height: 100vh;
    margin: 0;
    top: 0;
    right: 0;
    background-color: #f5f5f5;
    flex-direction: column;
    justify-content: center;
    transition: top 0.1s linear, transform 0.3s ease-out;
    overflow: hidden;
    opacity: 0;
  }

  @-webkit-keyframes menu-items-slide {
    from {
      transform: translateX(300%);
    }
    to {
      transform: translateX(0);
    }
  }

  @keyframes menu-items-slide {
    from {
      transform: translateX(300%);
    }
    to {
      transform: translateX(0);
    }
  }
  .nav-bar__link_mobile_animated {
    -webkit-animation-name: menu-items-slide;
            animation-name: menu-items-slide;
    -webkit-animation-timing-function: ease-out;
            animation-timing-function: ease-out;
  }

  .nav-bar__link_mobile {
    font-size: 26px;
    padding: 5px 0 5px 0;
  }

  .nav-bar__links_mobile_opening {
    opacity: 1;
  }

  .nav-bar__links_mobile_opened {
    transform: translateX(0);
    z-index: 999;
  }
}
.collaborations {
  padding: 85px 0 15px 0;
}

.collaborations__h1 {
  font-family: "Open Sans", sans-serif;
  font-size: 36px;
  font-weight: bold;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
  padding-bottom: 35px;
}

.collaborations__card {
  margin: 15px;
  padding: 15px 18px;
  box-shadow: 15px 13px 46px 0 rgba(51, 124, 188, 0.2);
  border-radius: 5px;
  font-family: "Open Sans", sans-serif;
  min-height: 331px;
}

.collaborations__card-image {
  width: 100%;
  max-width: 259px;
}

.collaborations__card__h2 {
  font-size: 34px;
}

.collaborations__card__sort-desc {
  font-size: 22px;
  font-family: "Source Sans Pro", sans-serif;
}

.collaborations__card__long-desc {
  font-family: "Source Sans Pro", sans-serif;
  font-size: 20px;
  color: rgba(34, 33, 33, 0.7);
  line-height: 1.3;
}

.collaborations-middle__bg {
  background: url("../images/dune.jpg") no-repeat fixed;
  width: 100%;
  height: 450px;
  background-size: cover;
}

.partners {
  padding: 85px 0 15px 0;
}

.partners__h1 {
  font-family: "Open Sans", sans-serif;
  font-size: 36px;
  font-weight: bold;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
}

.parters-int__container {
  text-align: center;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.partners__h2 {
  font-family: "Open Sans", sans-serif;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
  padding: 55px 0;
  font-size: 24px;
}

.partners__card {
  display: inline-block;
  width: 250px;
  text-align: center;
  padding: 8px 4px;
}

.partners__card__img {
  width: 200px;
}

.partners__card__h3 {
  padding-top: 15px;
  font-size: 18px;
}

.useful-links-section {
  padding: 85px 0 35px 0;
  background-color: #444444;
}

.useful-links__head {
  padding-bottom: 25px;
  border-bottom: 1px solid grey;
  color: white;
}

.useful-links__h1 {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-family: "Open Sans", sans-serif;
}

.useful-links__h2 {
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 2px;
  font-family: "Open Sans", sans-serif;
  padding-top: 25px;
  padding-bottom: 15px;
  text-align: start;
  color: white;
}

.useful-links {
  text-align: start;
  padding-left: 25px;
}

.useful-links__a {
  color: #7c7c7c;
  padding-bottom: 5px;
}

.useful-links__a:hover {
  color: white;
  text-decoration: none;
}

.footer {
  border-top: 1px solid grey;
  background-color: #444444;
  padding: 25px 0 10px 0;
}

.footer__h2 {
  color: white;
  font-size: 19px;
  font-weight: bold;
  font-family: "Open Sans", sans-serif;
}

.footer__mail {
  font-size: 19px;
  color: white;
}

.footer__mail:hover {
  text-decoration: none;
  color: #7c7c7c;
}

.about {
  padding: 45px 0 55px 0;
}

.history__text-big {
  font-family: "Open Sans", sans-serif;
  font-size: 28px;
  font-weight: bold;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-align: center;
  padding: 50px 0 15px 0;
}

.history-desc {
  padding-top: 5px;
  font-family: "Source Sans Pro", sans-serif;
  font-size: 22px;
  color: rgba(34, 33, 33, 0.7);
  line-height: 1.4;
}

.hor-line {
  height: 0;
  border-top: 2px solid #1d5b9e;
  margin-bottom: 25px;
}

.table-row {
  padding: 10px 15px;
  min-height: 50px;
  font-family: "Source Sans Pro", sans-serif;
}

.table-row:nth-of-type(2n +1) {
  background-color: #e9eaec;
}

.research__research-topics {
  font-family: "Source Sans Pro", sans-serif;
  font-size: 18px;
}

.research-topics-head {
  font-size: 20px;
  font-weight: bold;
}

.research__research-subtopics-group {
  list-style-type: none;
}

.research__research-subtopics-group > li::before {
  content: "\2022";
  color: #1d5b9e;
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

.research-overview {
  padding: 45px 0 25px 0;
}

.research-publ > a {
  text-decoration: none;
  font-size: 22px;
}

.events {
  padding: 45px 0 55px 0;
}

.events__head-cont {
  margin-bottom: 30px;
}

.event-container {
  border-bottom: 1px solid #1d5b9e;
  padding: 15px 10px 25px 10px;
}

.event-container p {
  margin: 0;
}

.event-container__header {
  font-size: 20px;
  font-weight: bold;
  font-family: "Merriweather", sans-serif;
  letter-spacing: 1px;
}

.event-container__date-time {
  font-size: 18px;
  font-family: "Assistant", sans-serif;
  font-weight: 600;
  letter-spacing: 1px;
  padding-bottom: 5px;
}

.event-container__rubric {
  padding-top: 3px;
  line-height: 1.2;
}

.event-container__rubric-name {
  font-size: 16px;
  font-family: "Arial", sans-serif;
  font-weight: bold;
  padding-right: 5px;
}

.event-container__rubric-content {
  font-size: 16px;
  font-family: "Open Sans", sans-serif;
}

.conferences {
  padding-top: 50px;
}

.news {
  padding: 45px 0 55px 0;
}

.news__head-cont {
  margin-bottom: 10px;
}

.news-container {
  border-bottom: 1px solid #1d5b9e;
  padding: 25px 10px 25px 10px;
}

.news-container p {
  margin: 0;
}

.news-container a {
  text-decoration: none;
}

.news-container__header {
  font-size: 20px;
  font-weight: bold;
  font-family: "Merriweather", sans-serif;
  letter-spacing: 1px;
  text-align: center;
}

.news-container__date-time {
  font-size: 16px;
  font-family: "Assistant", sans-serif;
  font-weight: 600;
  letter-spacing: 1px;
  padding-bottom: 5px;
}

.news-container__content {
  font-size: 18px;
  font-family: "Open Sans", sans-serif;
  padding-top: 10px;
}