/*///////////////////////////////////////
/////////////  SCREEN READER  /////////////
//////////////////////////////////////////////////// */
.screen_reader_tq[href] {
  margin-right: 10px;
  color: rgb(var(--white-color), 1);
  text-decoration: none;
  text-underline-offset: 2px;
  cursor: pointer;
}
.screen_reader_tq[href]:hover {
  color: rgb(var(--white-color), 1);
  text-decoration: underline;
}

/*///////////////////////////////////////
/////////////  SUBHEADER  /////////////
//////////////////////////////////////////////////// */
.subheader_ {
  width: 100vw;
  height: 124px;
  transition: all .05s ease-in-out;
}
.subheader_.d-none {
  display: block !important;
  height: 0px !important;
}
@media screen and (max-width: 1226px) {
  .subheader_ { height: 119px; }
}
@media screen and (max-width: 1078px) {
  .subheader_ { height: 99px; }
}
@media screen and (max-width: 1075px) {
  .subheader_ { height: 89px; }
}
@media screen and (max-width: 743px) {
  .subheader_ { height: 69px; }
}

/*///////////////////////////////////////
/////////////  HEADER BASE  /////////////
//////////////////////////////////////////////////// */
header.main_header {
  position: relative;
  background: rgb(var(--white-color), 1);
  width: 100vw;
  top: 0;
  left: 0;
  z-index: 10;
}
header.main_header.shrink {
  box-shadow: 0px 0px 25px 0px rgb(var(--black-color), .1);
  position: fixed;
  animation: shrinkHeader 1s ease-in-out;
}
@keyframes shrinkHeader {
  from {
    top: -100%;
    opacity: 0;
    transform: scale(.75);
  }
  to {
    top: 0;
    opacity: 1;
    transform: scale(1);
  }
}
header.main_header .wrapper_header,
header.main_header .up_bar-wrapper {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 5px;
}
header.main_header .overlay_header,
header.main_header .overlay_header.open {
  display: none;
}
header.main_header .onlyMobile {
  display: none;
}

/*///////////////////////////////////////
/////////////  UP BAR  /////////////
//////////////////////////////////////////////////// */
header.main_header .up_bar {
  position: relative;
  width: 100vw;
  background-color: rgb(var(--main-color), 1);
  padding: 5px 0;
}
header.main_header.shrink .up_bar {
  display: none;
}
header.main_header .up_bar .up_bar_bg {
  background-color: rgb(var(--white-color), 1);
  position: absolute;
  display: block;
  height: 100%;
  width: calc((100vw - 1600px) / 2 + 15px);
  right: 0;
  top: 0;
  pointer-events: none;
}

/*///////////////////////////////////////
/////////////  LANGUAGE  /////////////
//////////////////////////////////////////////////// */
header.main_header .up_bar .language_selector div a {
  color: rgb(var(--white-color), 1);
  cursor: pointer;
  margin-right: 10px;
  font-size: 14px;
}
header.main_header .up_bar .language_selector div a:hover {
  text-decoration: underline;
}

/*///////////////////////////////////////
/////////////  UPBAR BUTTONS  /////////////
//////////////////////////////////////////////////// */
header.main_header .up_bar .upbar_buttons {
  margin-right: -15px;
  padding-right: 10px;
}
header.main_header .up_bar .upbar_buttons .up_bar_link {
  font-weight: 400;
  font-size: 14px;
  color: rgb(var(--white-color), 1);
  margin-right: 10px;
}
header.main_header .up_bar .upbar_buttons .up_bar_link:hover {
  text-decoration: underline;
}
header.main_header .up_bar .upbar_btn_wrpr {
  position: relative;
}
header.main_header .up_bar .upbar_btn_wrpr a {
  font-weight: 500;
  font-size: 16px;
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 1;
}
header.main_header .up_bar .upbar_buttons .eye_button {
  padding: 0 10px;
}
header.main_header .up_bar .upbar_buttons .eye_button a {
  color: rgb(var(--white-color), 1);
  pointer-events: none;
}
header.main_header .up_bar .upbar_buttons .e_university {
  padding: 0 25px 0 10px;
}
header.main_header .up_bar .upbar_buttons span.upbar_btn_bg {
  position: absolute;
  height: calc(100% + 10px);
  width: 100%;
  left: 0;
  top: -5px;
  transform: skewX(-25deg);
}
header.main_header .up_bar .upbar_buttons .eye_button span.upbar_btn_bg {
  background-color: rgb(var(--white-color), .25);
  cursor: pointer;
}
header.main_header .up_bar .upbar_buttons .eye_button span.upbar_btn_bg:hover {
  background-color: rgb(var(--white-color), .75);
}
header.main_header .up_bar .upbar_buttons .eye_button:hover a {
  color: rgb(var(--main-color), 1);
  transition: .1s;
}
header.main_header .up_bar .upbar_buttons .e_university span.upbar_btn_bg {
  background-color: rgb(var(--white-color), 1);
}

/*///////////////////////////////////////
/////////////  BURGER  /////////////
//////////////////////////////////////////////////// */
header.main_header .wrapper_header .burger_header {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
header.main_header .wrapper_header .burger_header span {
  display: block;
  border-radius: 15px;
  background-color: rgb(var(--main-color), 1);
  width: 25px;
  height: 2px;
}

/*///////////////////////////////////////
/////////////  WRAPPER HEADER  /////////////
//////////////////////////////////////////////////// */
header.main_header .wrapper_header {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px 20px 10px;
}
header.main_header .wrapper_header .navigation_wrapper {
  display: flex;
  align-items: center;
}
header.main_header .wrapper_header nav.main_navigation .burgernav_header {
  display: none;
}
header.main_header.shrink .wrapper_header {
  padding: 7px 25px 5px 10px;
}

/*///////////////////////////////////////
/////////////  NAVIGATION  /////////////
//////////////////////////////////////////////////// */
header.main_header .main_navigation {
  display: flex;
  align-items: center;
  justify-content: end;
  flex-wrap: wrap;
}
header.main_header .nav_main-element {
  color: rgb(var(--main-color), 1);
}
header.main_header .nav_main-element:hover {
  color: rgb(var(--hover-color), 1);
}
header.main_header .nav_main-link {
  font-size: 16px;
  font-weight: 500;
  margin-left: 15px;
  color: rgb(var(--black-color), 1);
}
header.main_header .nav_main-link:hover {
  color: rgb(var(--main-color), 1);
  cursor: pointer;
}
header.main_header .nav_main-element.open .nav_main-link {
  color: rgb(var(--hover-color), 1);
}
header.main_header .main_navigation .nav_main-element .arrow {
  cursor: default;
  display: inline-block;
  transform: rotate(90deg);
  margin-left: 2px;
  color: inherit;
  pointer-events: none;
  transition: transform .2s ease;
}
header.main_header .main_navigation .nav_main-element.open .arrow {
  transform: rotate(-90deg);
}

/*///////////////////////////////////////
/////////////  NAV COLUMN (верхний уровень)  /////////////
//////////////////////////////////////////////////// */
.nav_column {
  display: contents;
}

/*///////////////////////////////////////
/////////////  SUBMENU (обычный)  /////////////
//////////////////////////////////////////////////// */
header.main_header .main_navigation .nav_main-element .nav_main_submenu {
  display: none;
  flex-wrap: wrap;
  position: absolute;
  top: 100%;
  left: 0;
  width: calc(100% - 5px);
  max-height: 70vh;
  overflow: hidden;
  overflow-y: auto;
  background-color: rgb(var(--white-color), 1);
  box-shadow: 0px 15px 20px 0px rgb(var(--black-color), .05);
  border: 1px solid rgb(var(--gray-color), .5);
  border-left: none;
  border-right: none;
  padding: 30px 5% 45px 5%;
}
header.main_header .main_navigation .nav_main-element.open .nav_main_submenu {
  display: flex;
  animation: openMainSubmenu .1s ease-in-out;
}
header.main_header .main_navigation .nav_main-element .nav_main_submenu .nav_main_submenu-link {
  padding: 10px 20px;
  font-weight: 500;
  font-size: 15px;
  width: 33%;
  color: rgb(var(--black-color), 1);
}
header.main_header .main_navigation .nav_main-element .nav_main_submenu .nav_main_submenu-link:hover {
  background-color: rgb(var(--gray-color), .15);
  color: rgb(var(--main-color), 1);
}
header.main_header .main_navigation .nav_main-element .nav_main_submenu .nav_main_submenu-link:nth-child(n+2):nth-child(3n-1) {
  border: 1px solid rgb(var(--gray-color), .5);
  border-top: none;
  border-bottom: none;
}

/*///////////////////////////////////////
/////////////  SUBMENU С КОЛОНКАМИ  /////////////
//////////////////////////////////////////////////// */
header.main_header .main_navigation .nav_main-element .nav_main_submenu--columns {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  position: absolute;
  top: 100%;
  left: 0;
  width: calc(100% - 5px);
  max-height: 70vh;
  overflow: hidden;
  overflow-y: auto;
  background-color: rgb(var(--white-color), 1);
  box-shadow: 0px 15px 20px 0px rgb(var(--black-color), .05);
  border: 1px solid rgb(var(--gray-color), .5);
  border-left: none;
  border-right: none;
  padding: 30px 5% 45px 5%;
  gap: 2rem;
}
header.main_header .main_navigation .nav_main-element.open .nav_main_submenu--columns {
  display: grid;
  animation: openMainSubmenu .1s ease-in-out;
}

/* разделитель между колонками */
header.main_header .main_navigation .nav_main_submenu--columns .nav_dropdown_column + .nav_dropdown_column {
  border-left: 1px solid rgb(var(--gray-color), .5);
  padding-left: 2rem;
}

/*///////////////////////////////////////
/////////////  DROPDOWN COLUMN  /////////////
//////////////////////////////////////////////////// */
.nav_dropdown_column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/*///////////////////////////////////////
/////////////  DROPDOWN SUBGROUP  /////////////
//////////////////////////////////////////////////// */
.nav_dropdown_subgroup {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.nav_dropdown_subgroup-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgb(var(--main-color), 1);
  opacity: 0.7;
  padding: 0 0 0.35rem 0;
  border-bottom: 1px solid rgb(var(--gray-color), .4);
  user-select: none;
  transition: opacity .2s ease;
}
.nav_dropdown_subgroup-title:hover {
  opacity: 1;
}
.nav_dropdown_subgroup-title .arrow {
  display: inline-block;
  transform: rotate(90deg);
  transition: transform .2s ease;
  font-size: 1.2rem;
  pointer-events: none;
}
.nav_dropdown_subgroup.open .nav_dropdown_subgroup-title .arrow {
  transform: rotate(-90deg);
}
.nav_dropdown_subgroup-items {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding-left: 0.5rem;
}
.nav_dropdown_subgroup.open .nav_dropdown_subgroup-items {
  display: flex;
}
/* убираем лишние borders у ссылок внутри subgroup */
header.main_header .main_navigation .nav_dropdown_column .nav_main_submenu-link,
header.main_header .main_navigation .nav_dropdown_subgroup-items .nav_main_submenu-link {
  border: none !important;
  width: 100%;
}

/*///////////////////////////////////////
/////////////  SEARCH  /////////////
//////////////////////////////////////////////////// */
header.main_header .mobile_search_opener {
  display: none;
  color: rgb(var(--main-color), 1);
  font-size: 20px;
  padding: 5px;
  margin-right: 10px;
  cursor: pointer;
}
header.main_header .mobile_search_opener:hover {
  color: rgb(var(--hover-color), 1);
  animation: mobile_search_iconHover 1s infinite alternate ease-in-out;
}
@keyframes mobile_search_iconHover {
  from { transform: rotate(0deg); }
  to { transform: rotate(45deg); }
}
header.main_header .search_element {
  position: relative;
  margin-left: 25px;
}
header.main_header .search_element .header_search_input {
  border-radius: 10px;
  border: 1px solid rgb(var(--white-color), .01);
  outline: none;
  background-color: #F5F5F6;
  padding: 10px 35px 10px 15px;
  color: rgb(var(--main-color), 1);
  font-size: 12px;
  width: 100vw;
  max-width: 250px;
}
header.main_header .search_element .header_search_input::placeholder {
  font-size: 12px;
}
header.main_header .search_element .header_search_input:focus {
  border: 1px solid rgb(var(--main-color), 1);
  background-color: rgb(var(--white-color), 1);
}
header.main_header .search_element .header_search_icon {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  border: none;
  outline: none;
  background: none;
  color: rgb(var(--main-color), 1);
  padding: 0 15px 0 0;
}
header.main_header .search_element i::before {
  perspective: 100px;
}
header.main_header .search_element .header_search_icon:hover i::before {
  transform: rotateY(180deg);
  transition: .3s;
}
header.main_header .search_element .header_search_icon:active i::before {
  transform: rotateY(180deg) rotate(45deg);
  perspective: 100px;
}
header.main_header .search_element i {
  font-size: 17px;
  color: rgb(var(--main-color), 1);
}
header.main_header .search_element .header_search_icon .header_search_btntext {
  display: none;
}
header.main_header .blur_element {
  filter: blur(1px);
  opacity: .5;
  pointer-events: none;
}

/*///////////////////////////////////////
/////////////  ANIMATIONS  /////////////
//////////////////////////////////////////////////// */
@keyframes openMainSubmenu {
  from { opacity: 0; }
}

/*///////////////////////////////////////
/////////////  BREAKPOINT ≥769px  /////////////
//////////////////////////////////////////////////// */
@media screen and (min-width: 769px) {
  header.main_header .up_bar {
    padding-left: 35px;
    padding-right: 35px;
  }
  .upbar_btn_bg {
    width: 130% !important;
  }
  header.main_header .wrapper_header {
    padding: 20px 35px 20px 35px;
  }
}

/*///////////////////////////////////////
/////////////  BREAKPOINT ≤1230px  /////////////
//////////////////////////////////////////////////// */
@media screen and (max-width: 1230px) {
  header.main_header .wrapper_header {
    padding: 10px 25px 10px 10px;
  }
  header.main_header .wrapper_header .logo-full {
    width: 175px;
  }
  header.main_header .wrapper_header .logo-full svg {
    height: 45px;
  }
  header.main_header .nav_main-link {
    font-size: 14px;
    margin-left: 10px;
  }
  header.main_header .search_element .header_search_input {
    padding: 7px 35px 7px 10px;
    max-width: 200px;
  }
}

/*///////////////////////////////////////
/////////////  BREAKPOINT shrink  /////////////
//////////////////////////////////////////////////// */
header.main_header.shrink .wrapper_header .logo-full {
  width: 125px;
}
header.main_header.shrink .wrapper_header .logo-full svg {
  margin-top: 5px;
  height: 30px;
}
header.main_header.shrink .nav_main-link {
  font-size: 14px;
  margin-left: 10px;
}
header.main_header.shrink .search_element .header_search_input {
  padding: 5px 35px 5px 10px;
}

/*///////////////////////////////////////
/////////////  BREAKPOINT ≤769px  /////////////
//////////////////////////////////////////////////// */
@media screen and (max-width: 769px) {
  .logo-full {
    width: 120px !important;
  }
  header.main_header .up_bar .upbar_buttons span.upbar_btn_bg {
    width: 120%;
  }
}

/*///////////////////////////////////////
/////////////  ADAPTIVE NAVIGATION ≤1080px  /////////////
//////////////////////////////////////////////////// */
@media screen and (max-width: 1080px) {
  header.main_header .up_bar {
    padding: 0;
  }
  header.main_header.shrink .up_bar,
  header.main_header .up_bar {
    display: block;
    height: 0px;
    visibility: hidden;
  }
  header.main_header {
    box-shadow: 0px 0px 25px 0px rgb(var(--black-color), .1);
  }
  header.main_header .onlyMobile {
    display: block;
  }
  header.main_header .wrapper_header .navigation_wrapper {
    display: flex;
    flex-direction: row-reverse;
    z-index: 2;
  }
  header.main_header .overlay_header.open {
    position: fixed;
    display: block;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgb(var(--black-color), .5);
    backdrop-filter: blur(2px);
    z-index: 1;
  }

  /* BURGER */
  header.main_header .wrapper_header .burger_header {
    display: flex;
  }
  header.main_header .wrapper_header nav.main_navigation .burgernav_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    margin-bottom: 10px;
    border-bottom: 2px solid rgb(var(--gray-color), .25);
  }
  header.main_header .wrapper_header nav.main_navigation .burgernav_header .logo-full {
    width: 120px;
  }
  header.main_header .wrapper_header nav.main_navigation .burgernav_header .crossClose_burger {
    color: rgb(var(--main-color), 1);
    cursor: pointer;
    font-size: 20px;
    font-weight: 800;
    padding: 10px;
  }
  header.main_header .wrapper_header nav.main_navigation .burgernav_header .crossClose_burger:hover {
    color: rgb(var(--hover-color), 1);
  }

  /* NAVIGATION PANEL */
  header.main_header .main_navigation,
  header.main_header .main_navigation.open {
    position: fixed;
    top: 0;
    right: -100%;
    display: block;
    background-color: rgb(var(--white-color), 1);
    width: 100%;
    max-width: 550px;
    height: 100vh;
    z-index: 15;
    transition: .5s ease-in-out;
    opacity: 0;
  }
  header.main_header .main_navigation.open {
    right: 0;
    opacity: 1;
    overflow-x: hidden;
    overflow-y: auto;
  }

  /* LINKS */
  header.main_header .nav_main-link {
    display: flex;
    font-size: 18px !important;
    width: 100%;
    margin: 0;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px 15px 20px;
    border-bottom: 1px solid rgb(var(--gray-color), .15);
  }
  header.main_header .nav_main-link .arrow {
    font-size: 30px;
    margin: -10px 10px -10px 0;
  }
  header.main_header .nav_main-element:last-child .nav_main-link {
    border: none;
  }

  /* SUBMENU MOBILE — обычный и колонки одинаково */
  header.main_header .main_navigation .nav_main-element.open .nav_main_submenu,
  header.main_header .main_navigation .nav_main-element.open .nav_main_submenu--columns {
    position: relative;
    display: flex !important;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    max-height: unset;
    top: 0;
    left: 0;
    box-shadow: none;
    background-color: rgb(var(--gray-color), .1);
    border: none;
    padding: 0;
    grid-template-columns: unset;
    gap: 0;
    animation-duration: .4s;
  }
  header.main_header .main_navigation .nav_main-element.open .nav_main_submenu-link {
    width: 100%;
    font-size: 16px;
    font-weight: 500;
    padding: 15px 20px;
    border: none !important;
  }
  header.main_header .main_navigation .nav_main-element.open .nav_main_submenu-link:hover {
    background-color: rgb(var(--white-color), .5);
  }

  /* COLUMN & SUBGROUP MOBILE */
  .nav_column {
    display: block;
  }
  .nav_dropdown_column {
    gap: 0;
  }
  .nav_dropdown_subgroup {
    gap: 0;
  }
  .nav_dropdown_subgroup-title {
    padding: 10px 20px 8px 30px;
    border-bottom: 1px solid rgb(var(--gray-color), .2);
    font-size: 0.75rem;
    opacity: 0.6;
  }
  .nav_dropdown_subgroup-items {
    padding-left: 0;
  }

  /* LANGUAGE */
  header.main_header .up_bar .language_selector {
    position: fixed;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    top: 60px;
    right: 50px;
    border-radius: 5px;
    background: rgb(var(--white-color), 1);
    box-shadow: 0 10px 15px 1px rgb(var(--black-color), .1);
    padding: 15px;
    z-index: 1;
    visibility: visible;
    pointer-events: none;
    opacity: 0;
  }
  header.main_header .up_bar .language_selector.open {
    pointer-events: all;
    opacity: 1;
  }
  header.main_header .up_bar .language_selector div a {
    margin: 5px;
    color: rgb(var(--main-color), 1);
    font-size: 16px;
    font-weight: 500;
  }
  header.main_header .mobile_language_selector {
    position: relative;
    color: rgb(var(--main-color), 1);
    font-size: 22px;
    margin-right: 20px;
    cursor: pointer;
  }
  header.main_header .mobile_language_selector span {
    position: absolute;
    top: 0;
    right: -10px;
    text-transform: uppercase;
    font-style: normal;
    font-weight: 600;
    font-size: 10px;
    background-color: rgb(var(--white-color), 1);
    border-radius: 10px;
    padding: 1px 2px;
    border: 1px solid rgb(var(--main-color), 1);
    pointer-events: none;
  }

  /* SEARCH MOBILE */
  header.main_header .mobile_search_opener {
    position: relative;
    margin-right: 15px;
    display: block;
    z-index: 1;
  }
  header.main_header .search_element {
    position: fixed;
    top: 40%;
    left: 10px;
    right: 10px;
    background-color: rgb(var(--white-color), 1);
    max-width: 800px;
    margin: 0 auto;
    padding: 25px 15px;
    border-radius: 10px;
    box-shadow: 0px 5px 25px 5px rgb(var(--black-color), .5);
    z-index: 5;
    display: none;
  }
  header.main_header .search_element.open {
    display: block;
    animation: searcher_header_open .3s ease-in-out;
    z-index: 10;
  }
  @keyframes searcher_header_open {
    from { opacity: 0; }
  }
  header.main_header .search_element .header_search_input {
    width: 100%;
    max-width: 100%;
    padding: 10px 35px 10px 15px;
  }
  header.main_header .search_element .header_search_icon {
    border-left: 1px solid rgb(var(--gray-color), 1);
    padding: 0 0 0 10px;
    right: 25px;
  }
  header.main_header .search_element .header_search_icon:hover {
    font-weight: 500;
  }
  header.main_header .search_element .header_search_icon i {
    display: none;
  }
  header.main_header .search_element .header_search_icon .header_search_btntext {
    display: block;
  }
}