@media (max-width: 1800px) {
  :root {
    --sizeBack: 100% auto;
  }
  .container {
    margin: 0 50px;
  }
  .header {
    background-position: top;
    background-size: 180%;
    overflow: hidden;
    animation: header-bg 60s ease-in-out infinite;
  }
  @keyframes header-bg {
    0% {
      background-image: url(../img/head/bg-1.jpg);
    }
    11% {
      background-size: 200%;
    }
    22% {
      background-size: 180%;
    }
    33% {
      background-image: url(../img/head/bg-2.jpg);
    }
    44% {
      background-size: 200%;
    }
    55% {
      background-size: 180%;
    }
    66% {
      background-image: url(../img/head/bg-3.jpg);
    }
    77% {
      background-size: 200%;
    }
    88% {
      background-size: 180%;
    }
    100% {
      background-image: url(../img/head/bg-1.jpg);
    }
  }
  .catalog__info {
    width: 42%;
  }
  .catalog__list {
    width: 57%;
  }
  /*
  .events__item {
    width: 290px;
} */

.events__item {
  width: 31.39%;
}

  .data__form_input {
    width: 335px;
  }
  .data__form {
    padding-top: 22px;
    padding-left: 49px;
    margin-left: 0;
  }
  .data__connection {
    margin-bottom: 14px;
  }
  .data__connection_link {
    width: 60px;
    height: 60px;
  }
  .watsApp, .telegram {
    background-size: cover;
  }
  .data__connection_item:not(:last-child) {
    margin-right: 30px;
  }
  .footer__container .logo__top, .footer__container .logo__foot {
    width: 174px;
  }
  .social {
    padding: 22px 0;
  }
  .social__icon {
    width: 60px;
    height: 60px;
    background-size: cover;
  }
  .social__item:not(:last-child) {
    margin-right: 30px;
  }
}




/* 1024 */










@media (max-width: 1200px) {
  .header {
    height: 768px;
  }
  .nav__list {
    display: none;
  }
  .nav__link-enter {
    display: none;
  }
  .burger {
    display: block;
    margin-top: 5px;
  }
  .nav__search_btn {
    display: block;
  }
  .nav__logo {
    padding-right: 0;
    margin-right: 6px;
  }
  .logo__top, .logo__foot {
    width: 188px;
    background-size: cover;
  }
  .header__hero {
    display: none;
  }
  .header__content {
    margin-top: 142px;
    width: 75%;
  }
  .header__content_title {
    width: 85%;
  }
  .header__content_text {
    padding-top: 10px;
    margin-bottom: 155px;
  }
  /* gallery  */
  .gallery {
    height: 839px;
  }
  .gallery__container {
    padding-top: 82px;
    padding-bottom: 45px;
    /* height: 839px; */
    height: 100%;
  }
  .gallery__info {
    width: calc(31% - 6px);
  }
  .gallery__img {
    width: calc(64% + 2px);
  }

  .image-slider-link img {
    width: 100%;
  }
  .image-slider {
    height: 628px;
  }

  .gallery__info_text {
    margin-bottom: 25px;
    width: 30%;
  }
  /* catalog  */
  .catalog__container {
    padding-top: 82px;
  }
  .catalog__header {
    margin-left: -3px;
    margin-bottom: 5px;
  }
  .catalog__header_title {
    margin-right: 43px;
  }
  .catalog__header_list {
    padding-top: 18px;
  }
  .catalog__text {
    width: 100%;
  }
  .catalog__info {
    width: calc(48% + 3px);
  }
  .catalog__header_list {
    width: calc(46% + 4px);
  }
  .catalog__info_title {
    padding-top: 22px;
  }
  .catalog__list {
    width: 47%;
  }
  .accordion__list {
    width: calc(100% + 33px);
    margin-left: -5px;
    margin-right: -28px;
  }
  /* .accordion__item {
      width: 50%;
      margin-right: 30px;
    } */
  /* events  */
  .events__container {
    padding-top: 82px;
    padding-bottom: 80px;
  }
  .events__title {
    margin-bottom: 14px;
  }

  .events__item:nth-child(1), .events__item:nth-child(2), .events__item:nth-child(4) {
    margin-right: 2.6%;
  }
  .events__item_img {
    width: 100%;
    height: 199px;
  }
  .events__item_title {
    padding: 5px 20px 2px 34px;
  }
  .events__item_text {
    padding: 0 34px;
  }
  .events__item_info {
    min-height: 603px;
  }
  .events__item_btn {
    margin-left: 35px;
    margin-bottom: 50px;
  }
  /* publications   */

  .publications__container {
    padding-top: 81px;
    padding-bottom: 78px;
  }
  .publications__filter {
    width: calc(30% + 1px);
    padding-right: 0px;
    margin-right: auto;
  }
  .publications__list {
    width: calc(69% + 1px);
    /* padding-left: 10px; */
  }
  .publications__arrows {
    margin-bottom: 28px;
  }
  .publications__swiper_item img {
    width: 100%;
    height: 320px;
  }
  .swiper__info-name {
    padding-top: 10px;
  }
  .swiper__info-price {
    padding-top: 10px;
  }
  .swiper__item-info {
    margin-bottom: 16px;
  }
  /* projects  */
  .projects__container {
    padding-top: 81px;
    padding-bottom: 81px;
  }
  .projects__swiper-container, .projects__partners-arrow:first-child {
    margin-right: 23px;
  }
  .projects__partners-arrow {
    margin-top: 49px;
  }
  .projects__partners_img {
    height: 128px;
  }
  .data__list {
    width: 47.5%;
  }
  .map {
    width: 52.5%;
  }
}




/* 768 */





@media (max-width: 992px) {
  .header {
    background: url(../img/head/bg-768.jpg) no-repeat center;
    background-size: 100%;
  }
  @keyframes header-bg {
    0% {
      background-image: url(../img/head/bg-768.jpg);
    }
    11% {
      background-size: 120%;
    }
    22% {
      background-size: 100%;
    }
    33% {
      background-image: url(../img/head/bg-2-768.jpg);
    }
    44% {
      background-size: 120%;
    }
    55% {
      background-size: 100%;
    }
    66% {
      background-image: url(../img/head/bg-3-768.jpg);
    }
    77% {
      background-size: 120%;
    }
    88% {
      background-size: 100%;
    }
    100% {
      background-image: url(../img/head/bg-768.jpg);
    }
  }
  .header__content {
    width: 100%;
  }
  /* gallery */
  .gallery {
    height: 1169px;
  }
  .gallery__container {
    height: 100%;
  }
  .gallery__info {
    width: 280px;
    margin-bottom: 84px;
    order: 0;
  }
  .choices__list--dropdown {
    width: 100%;
  }
  .gallery__img__arrows {
    padding-left: 0;
  }
  .gallery__img {
    width: 100%;
    margin-left: 0;
    order: 1;
  }
  .image-slider {
    height: 622px;
  }
  .image-slider-link {
    /* width: 317px; */
    height: 280px;
  }
  .image-slider-link img {
    /* width: 100%; */
    height: 280px;
  }
  .gallery__info_text {
    width: 100%;
    order: 2;
  }
  /* catalog */
  .catalog__header_list {
    padding-top: 11px;
    width: calc(66% + 3px);
  }
  .catalog__header {
    margin-bottom: 12px;
  }
  .catalog__text {
    margin-bottom: 21px;
  }
  .catalog__body {
    flex-direction: column-reverse;
  }
  .catalog__info {
    width: 100%;
    padding-right: 0;
  }
  .catalog__list {
    width: 100%;
    margin-bottom: 49px;
  }
  /* events */
  .events__container {
    padding-top: 71px;
    padding-bottom: 84px;
  }
  .events__list {
    justify-content: space-between;
  }



  .events__item:nth-child(1), .events__item:nth-child(2), .events__item:nth-child(4) {
    margin-right: 0;
  }
  /* .events__item:nth-child(odd) {
  margin-right: auto;
} */

.events__item {
  width: 47.46%;
}

  /* publications */
  .publications__container {
    flex-direction: column;
  }
  .publications__filter {
    width: 100%;
    padding-right: 0;
  }
  .publications__categories_list {
    flex-flow: wrap column;
    column-gap: 50px;
    height: 130px;
    margin-bottom: 16px;
  }
  .publications__categories_price {
    width: 277px;
  }
  .publications__list {
    padding-top: 48px;
    width: 100%;
  }

  .publications__arrows {
    padding-left: 0;
  }

  .publications__list .swiper-container {
    width: 92%;
    padding-left: 0;
  }
  /* projects  */
  .projects__text {
    max-width: 99%;
  }
  .projects__text {
    margin-bottom: 24px;
  }
  .projects__partners-arrow {
    margin-top: 38px;
  }
  .projects__partners {
    margin-bottom: 29px;
  }
  .projects__partners_img {
    height: 106px;
  }
  .partners_img1, .partners_img2, .partners_img3 {
    background-size: 82%;
  }


  /* contacts  */


  .data__list {
    width: 56%;
  }
  .map {
    width: 44%;
  }
}

@media (max-width: 700px) {
  .publications__categories_list {
    height: 210px;
  }
  .mob__publications_slide {
    display: none;
    flex-wrap: wrap;
  }
  .swiper__item-info {
    flex-direction: column;
  }
  .swiper__info-name {
    font-size: 12px;
  }
  .swiper__info-price {
    font-size: 12px;
    text-align: left;
  }

  .gallery {
    height: 962px;
  }

  .gallery__img {
    display: flex;
    flex-direction: column-reverse;
    width: 290px;
    margin: 0 auto;
  }
  .gallery__img__arrows {
    justify-content: center;
    padding-top: 98px;
    margin-bottom: 16px;
  }
  .gallery-pagination {
    width: auto;
  }
  .gallery__info_text {
    margin-top: 0;
  }
  .image-slider .swiper-slide {
    height: 100%;
  }
  .gallery__img .image-slider {
    height: 290px;
  }
  .image-slider-link {
    width: 290px;
    height: 100%;
  }
  .image-slider-link img {
    height: 100%;
  }

  .mob-slide:nth-child(odd) {
    margin-right: 30px;
  }
  .mob__data_address {
    display: block;
    order: 0;
  }
  .contacts__data {
    flex-direction: column;
  }
  .map {
    width: 100%;
    order: 1;
  }
  .data__list {
    width: 100%;
    order: 2;
  }
  .data__form_input {
    width: 100%;
  }
}






/* 320 */













@media (max-width: 576px) {
  .container {
    margin: 0 15px;
  }
  h2 {
    font-size: 28px;
    line-height: 38px;
  }
  /* header  */
  .header {
    background-position: bottom;
    height: 355px;
    margin-bottom: 51px;
  }
  .burger__menu {
    width: 40%;
    height: 100%;
    left: -40%;
    padding-top: 40px;
  }
  .burger__menu_add {
    left: 0;
  }
  .menu__exit {
    top: 50px;
    right: 0;
  }
  .menu__nav_list {
    margin-left: 15px;
  }
  .burger svg {
    width: 20px;
    height: 15px;
  }
  .logo__top {
    background-size: cover;
    width: 97px;
    height: 12px;
    margin-top: 12px;
  }
  .logo__foot {
    width: 97px;
    height: 6px;
    margin-top: 4px;
    margin-bottom: 11px;
  }
  .nav__search_btn svg {
    width: 15px;
    height: 15px;
  }
  .menu__nav {
    font-size: 12px;
    padding: 36px 0;
  }
  .menu__nav_list .nav__item {
    padding: 4px;
  }
  .menu__link-enter {
    padding: 10px;
  }
  .header__content {
    display: flex;
    flex-direction: column;
    margin-top: 4px;
  }
  .header__content_title {
    font-size: 32px;
    line-height: 37px;
    text-align: center;
    width: 90%;
    margin: 0 auto;
    padding-top: 75px;
  }
  .header__content_text {
    font-size: 12px;
    line-height: 16px;
    font-weight: 400;
    text-align: center;
    margin: 0 auto;
    margin-bottom: 41px;
    padding-top: 12px;
    width: 90%;
  }
  .header__content_btn {
    font-size: 12px;
    line-height: 16px;
    margin: 0 auto;
    padding: 12px 18px;
    width: 200px;
    height: 40px;
  }
  /* aboutUs */
  .aboutUs {
    margin-bottom: 41px;
  }
  .aboutUs__text {
    font-size: 14px;
    line-height: 28px;
    padding-top: 11px;
  }
  /* gallery   */

  .gallery__container {
    padding-top: 51px;
  }
  .gallery__info {
    width: 100%;
    margin-bottom: 118px;
  }

  .image-slider-link {
    width: 100%;
  }
  .gallery__title {
    margin-bottom: 11px;
  }
  .gallery__fillter_title {
    margin-bottom: 5px;
  }
  .swiper-container {
    width: 290px;
  }


  /* catalog   */

  .catalog__header {
    flex-direction: column;
    margin-bottom: 10px;
  }
  .catalog__header_list {
    width: 100%;
  }
  .catalog__tabs_btn {
    width: 30px;
    height: 30px;
  }
  .catalog__text {
    display: none;
  }
  .catalog__list {
    margin-bottom: 46px;
  }
  .catalog__info_title {
    padding-top: 10px;
  }
  .catalog__info_date {
    padding-top: 12px;
  }
  .catalog__info_text {
    width: 289px;
  }
  .catalog__list .accordion-title {
    font-size: 18px;
    line-height: 32px;
    padding: 20px 0 21px 0;
  }
  .ui-icon svg {
    width: 30px;
    height: 30px;
  }
  .ui-state-active .ui-icon, .ui-state-hover .ui-icon, .ui-state-focus .ui-icon, .ui-state-default .ui-icon {
    width: 30px;
    height: 30px;
  }
  .accordion__lists {
    padding: 18px 0;
  }

  /* events  */

  .swiper-pagination {
    display: block;
  }

  .events__container {
    padding-bottom: 47px;
  }
  .mob-events__list {
    display: block;
  }
  .events__list {
    display: none;
  }

  .events__item {
    width: 290px;
    margin-bottom: 0;
  }

  .events__item-hide {
    display: block;
  }
  .all-events {
    display: none;
  }
  .events__container {
    padding-top: 53px;
  }
  .events__title {
    margin-bottom: 11px;
  }
  .events__item_date {
    padding-right: 10px;
  }
  .events__item_title {
    padding: 5px 10px 2px 28px;
    margin-bottom: 33px;
  }
  .events__item_text {
    padding: 0 28px;
  }
  .events__item_btn {
    margin-left: 28px;
  }
  .events__container .swiper-pagination {
    position: relative;
    margin-top: 8px;
    width: 100%;
  }
  .events__container .swiper-pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
  }
  .events__container .swiper-pagination .swiper-pagination-bullet:not(:last-child) {
    margin-right: 15px;
  }
  .events__container .swiper-pagination .swiper-pagination-bullet-active {
    background-color: #666666;
  }

  /* publications  */

  .publications__container {
    padding-top: 51px;
    padding-bottom: 0;
    margin: 0px 0px;
  }

  .publications__filter {
    margin: 0px 15px;
    width: 91%;
  }

  .publications__title {
    margin-bottom: 11px;
  }
  .publications__categories_title {
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    line-height: 38px;
    margin-bottom: 0;
    cursor: pointer;
  }
  .publications__categories_title::before {
    content: '';
    position: absolute;
    top: 14px;
    right: 2px;
    width: 7px;
    height: 7px;
    border-right: 1px solid #777777;
    border-bottom: 1px solid #777777;
    transform: rotate(45deg);
  }
  .publications__categories_title_on.publications__categories_title::before {
    transform: rotate(225deg);
  }
  .publications__categories_list {
    height: auto;
    margin-bottom: 18px;
  }
  .checkbox {
    display: none;
    padding: 9.5px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  }
  .publications__categories_list_open .checkbox {
    display: block;
  }
  .checkbox:not(:last-child) {
    margin-bottom: 0;
  }
  .checkbox::before {
    top: 12px;
  }
  .checkbox::after {
    top: 15px;
  }
  .publications__categories_item:not(:last-child) {
    margin-bottom: 0px;
}
  .publications__categories_item_checked .checkbox {
    display: block;
  }

  /* .publications__list {
    height: 1265px;
    height: auto;
  } */

  .publications__list .swiper-container {
    width: 100%;
    height: 100%;
  }
  .publications__arrows {
    display: none;
  }
  .publications__swiper_item img {
    width: 100%;
    height: auto;
  }
  .publications__list .swiper-slide {
    height: calc(100% / 4);
    overflow: hidden;
  }
  .publications__swiper_item {
    width: 100%;
    padding-left: 11px;
    padding-right: 18px;
  }

  .swiper-slide {
    margin-top: 0 !important;
  }
  .swiper__info-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-top: 6px;
    line-height: 16px;
  }
  .swiper__info-price {
    padding-top: 0;
    line-height: 16px;
  }
  .swiper__item-info {
    margin-bottom: 12px;
  }
  .swiper__btn {
    font-size: 12px;
    width: 130px;
    margin-bottom: 48px;
  }
  .publications__list .swiper-container-multirow-column>.swiper-wrapper {
    flex-direction: initial;
  }


  /* projects  */


  .projects__container {
    padding-top: 51px;
    padding-bottom: 51px;
  }
  .projects__title {
    margin-bottom: 11px;
  }
  .projects__text {
    max-width: 100%;
    margin-bottom: 10px;
  }
  .tooltip {
    width: 100px;
    left: -45px;
  }
  .projects__partners {
    font-size: 18px;
    margin-left: 0px;
    margin-bottom: 11px;
  }
  .projects__swiper-container, .projects__partners-arrow:first-child {
    margin-right: 17px;
  }
  .projects__partners_img {
    height: 65px;
  }

  .projects__partners_img {
    background-size: 56%;
  }

  .partners_img4 {
    background-size: 33%;
  }

  .projects__partners-arrow {
    margin-top: 17px;
  }

  /* contacts  */

  .contacts__title {
    margin-left: -2px;
    margin-bottom: 11px;
  }
  .data__title {
    font-size: 18px;
    line-height: 24px;
    margin-bottom: 0;
    margin-left: -2px;
  }
  .data__address {
    font-size: 14px;
    line-height: 18px;
    margin-bottom: 15px;
    margin-left: -3px;
  }
  .map {
    height: 320px;
  }
  .data__form {
    width: 100%;
    padding-top: 20px;
    padding-left: 0px;
  }
  .data__form .data__title, .data__form .data__address {
    display: none;
  }
  .data__form_title {
    font-size: 18px;
    margin-bottom: 17px;
  }
  .data__form_input:first-child {
    margin-bottom: 20px;
  }
  .data__form_btn {
    font-size: 12px;
    width: 128px;
    height: 40px;
    margin-bottom: 20px;
  }
  .data__connection {
    font-size: 18px;
    margin-bottom: 7px;
  }
  .data__connection_list {
    margin-bottom: 30px;
  }
  .data__connection_item:not(:last-child) {
    margin-right: 20px;
  }
  .data__connection_link {
    width: 50px;
    height: 50px;
  }

  /* footer  */

  .footer__container {
    flex-direction: column-reverse;
  }
  .social {
    padding: 0;
    justify-content: center;
  }
  .social__icon {
    width: 50px;
    height: 50px;
  }

  .footer__container .logo__top {
    width: 97px;
    height: 12px;
    margin-top: 20px;
  }

  .footer__container .logo__foot {
    width: 97px;
    height: 6px;
    margin-bottom: 0;
  }

  .nav__logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-right: 0;
    margin-right: 0;
  }
}