/*--------search--------*/
.search_item {
  background: #a1e0df;
  text-align: center;
  color: #556272;
  padding: 10px 10px 30px 10px;
}

.search_item h3 {
  opacity: 0.9;
  line-height: 40px;
}

.text_effect .effect {
  visibility: hidden;
  display: none;
}

.text_effect > div {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  min-height: 55px;
  text-transform: uppercase;
  letter-spacing: 1px;
  align-items: flex-end;
  color: #ffffff;
  font-size: 1.3rem;
  position: relative;
}

.text_effect > div:after {
  content: "";
  width: 10px;
  height: 4px;
  display: block;
  background: #556272;
  margin-bottom: 4px;
  margin-left: 2px;
  animation-duration: 350ms;
  animation-name: fade;
  animation-direction: alternate;
  animation-iteration-count: infinite;
}

.text_effect h4 {
  padding: 0px 110px;
  position: relative;
  top: 95px;
  line-height: 40px;
  color: #ffffff;
  opacity: 0.6;
  font-size: 1.3rem;
}

@keyframes fade {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

.search_box {
  margin: 30px auto;
  position: relative;
  width: 1100px;
  max-width: 100%;
}

.search_box form input {
  border: 2px solid #ffffff;
  border-radius: 3px;
  outline: none;
  height: 50px;
  width: 100%;
  color: #556272;
  padding: 5px 80px 5px 10px;
  background: rgba(255, 255, 255, 0.4);
}

.search_box form button {
  position: absolute;
  background: #ffffff;
  border: none;
  color: #4ecdc4;
  font-size: 2rem;
  padding-top: 0;
  width: 70px;
  text-align: center;
  outline: none;
  right: 0;
  top: 0;
  border-radius: 0 3px 3px 0;
  height: 100%;
}

.rtl .search_box form input {
  padding: 5px 10px 5px 80px;
}

.rtl .search_box form button {
  left: 0px;
  right: unset;
  top: 0px;
  border-radius: 3px 0 0 3px;
  padding-top: 6px;
}

/*------banner-------*/
.banner_pane {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
}

.carousel_item {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
  min-width: 50%;
  max-width: 50%;
}

.carousel_item img {
  height: 100%;
  object-fit: cover;
}

.carousel_item .owl-carousel,
.carousel_item .owl-stage-outer,
.carousel_item .owl-stage,
.carousel_item .item,
.carousel_item .owl-item {
  height: 450px;
}

.virascience_item {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
  min-width: 50%;
  max-width: 50%;
  background: #0a3367;
  padding: 120px 60px 0 60px;
  text-align: center;
  color: #f6f3f3;
  font-size: 1.4rem;
}

.virascience_item h1 {
  font-weight: bold;
  opacity: 0.9;
}

.virascience_item h4 {
  margin: 55px auto;
  line-height: 45px;
  opacity: 0.7;
}

/*-------researcher--------*/
.researcher_pane {
  background: #efeff1;
  position: relative;
  padding-top: 150px;
}

.researcher_pane:before {
  position: absolute;
  content: "";
  background: #ffffff;
  bottom: 0;
  height: 100px;
  width: 100%;
  border-right: 98vw solid #efeff1;
  border-bottom: 150px solid transparent;
  right: 0;
}

.researcher_items {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
}

.researcher_item {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
  text-align: center;
}

.researcher_item h2 {
  color: #556272;
  margin: 50px auto 30px auto;
}

.researcher_item > p {
  color: #556272;
  font-size: 1.1rem;
  margin-bottom: 100px;
}

.researcher_item a {
  background: #fd6d6c;
  color: #ffffff;
  padding: 17px 30px;
  border-radius: 3px;
  font-size: 1.3rem;
  font-weight: bold;
}

.researcher_info {
  width: 350px;
  margin: 0 auto;
  border-radius: 3px;
  background: #ffffff;
  min-height: 480px;
  position: relative;
  box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.15);
  max-width: 100%;
}

.researcher_info h4 {
  color: #556272;
  margin-top: 20px;
}

.researcher_info p {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  position: absolute;
  width: 140%;
  right: -20%;
  bottom: 35px;
  min-height: 110px;
  box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.15);
  background: #ffffff;
  border-radius: 3px;
  padding: 23px 0;
}

.researcher_info p > span {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
  color: #556272;
  border-left: 2px solid #f6f3f3;
}

.researcher_info p > span:last-child {
  border: none;
}

.researcher_info p > span span {
  display: inline-block;
  font-size: 1.4rem;
  margin-top: 10px;
}

.researcher_pic {
  width: 85%;
  margin: 0 auto;
  height: 230px;
}

.researcher_pic img {
  width: 100%;
  border-radius: 3px 3px 0 0;
  margin-top: -30px;
  height: 100%;
  object-fit: cover;
}

.square_items1 span {
  position: absolute;
}

.square_items1 span:nth-child(1) {
  width: 130px;
  height: 135px;
  background: rgba(253, 109, 108, 0.4);
  right: -131px;
  top: 155px;
}

.square_items1 span:nth-child(2) {
  width: 67px;
  background: rgba(78, 205, 196, 0.4);
  height: 180px;
  right: -68px;
  top: 30px;
}

.square_items1 span:nth-child(3) {
  background: rgba(253, 109, 108, 0.4);
  left: -59px;
  width: 60px;
  height: 245px;
  top: 25px;
}

.square_items1 span:nth-child(4) {
  background: rgba(253, 109, 108, 0.4);
  left: -130px;
  width: 130px;
  height: 135px;
  top: 55px;
}

.square_items1 span:nth-child(5) {
  background: rgba(78, 205, 196, 0.4);
  width: 50px;
  height: 50px;
  left: -64px;
  top: -55px;
}

/*---------services-----------*/
.services_pane {
  margin-top: 400px;
}

.services_pane:before {
  position: absolute;
  content: "";
  background: #efeff1;
  width: 95%;
  min-height: 400px;
  left: 0;
}

.services_items {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  position: relative;
}

.services_item {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
  background: #ffffff;
  margin: -250px 20px 20px 20px;
  box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.15);
  border-radius: 3px;
  max-width: 390px;
  text-align: center;
  min-height: 570px;
}

.services_item h4 {
  padding: 30px 20px;
  line-height: 38px;
  color: #556272;
  font-size: 1.4rem;
}

.services_item:nth-child(2) {
  background: #fd6d6c;
}

.services_item:nth-child(2) .services_pic {
  background: #c54d57;
}

.services_item:nth-child(2) h4 {
  color: #ffffff;
}

.services_pic {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: #f3dddf;
  margin: 40px auto;
  overflow: hidden;
}

.services_pic img {
  height: 235px;
  max-width: 100%;
}

/*-------work------*/
.work_pane {
  margin: 170px auto 140px auto;
}

.work_items {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
}

.work_item {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
  min-width: 50%;
  max-width: 50%;
}

.work_item:nth-child(1) {
  color: #556272;
  padding: 0 70px;
}

.work_item:nth-child(2) {
  background: #efeff1;
  text-align: center;
  height: 550px;
}

.work_item:nth-child(2) img {
  position: relative;
  top: 70px;
  width: 85%;
  height: 90%;
  object-fit: none;
}

.work_item:nth-child(2) h3 {
  color: #fd6d6c;
  position: relative;
  top: 50px;
}

.work_steps {
  border-left: 3px solid rgba(253, 109, 108, 0.4);
  padding-left: 45px;
  margin-top: 45px;
}

.work_step {
  position: relative;
  margin: 35px auto;
}

.work_step span {
  position: absolute;
  width: 100px;
  background: #fd6d6c;
  padding: 4px;
  left: -66px;
  color: #ffffff;
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  text-align: center;
  top: -6px;
}

.work_step h5 {
  font-weight: bold;
  margin: 10px auto;
}

.work_step h6 {
  line-height: 27px;
  opacity: 0.8;
}

.rtl .work_steps {
  border-right: 3px solid rgba(253, 109, 108, 0.4);
  padding-right: 45px;
  border-left: none;
}

.rtl .work_step span {
  right: -66px;
}

/*---------customers----------*/
.customers_pane {
  background: #efeff1;
  position: relative;
}

.customers_pane:before {
  position: absolute;
  content: "";
  background: #ffffff;
  bottom: 0;
  height: 100px;
  width: 100%;
  border-left: 98vw solid #efeff1;
  border-bottom: 150px solid transparent;
  right: 0;
}

.owl-customers .item {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
}

.owl-customers .owl-nav {
  position: relative;
  top: -85px;
}

.owl-customers .owl-nav > div {
  color: #556272 !important;
  font-size: 0 !important;
  opacity: 0.7;
}

.owl-customers .owl-nav .owl-next {
  margin-right: -80px;
}

.owl-customers .fa {
  font-size: 1.1rem;
}

.customers_item {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
  min-width: 50%;
  text-align: center;
  padding: 50px;
  position: relative;
  top: 33px;
}

.customers_item h3 {
  color: #fd6d6c;
  position: relative;
  top: 55px;
}

.customers_item p {
  padding: 100px;
  line-height: 40px;
  font-size: 1.2rem;
  color: #556272;
}

.customers_item .fa {
  opacity: 0.3;
}

.customers_rightpart {
  box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.15);
  border-radius: 3px;
  background: #ffffff;
  max-width: 300px;
  margin: 0 auto;
  min-height: 430px;
  padding-top: 60px;
  position: relative;
}

.customers_rightpart .customers_pic {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 120px auto;
}

.customers_rightpart h4 {
  color: #556272;
  margin-bottom: 10px;
}

.customers_rightpart h6 {
  color: #4ecdc4;
}

.square_items2 span {
  position: absolute;
}

.square_items2 span:nth-child(1) {
  width: 95px;
  height: 135px;
  background: rgba(253, 109, 108, 0.4);
  right: -96px;
  top: 260px;
}

.square_items2 span:nth-child(2) {
  width: 149px;
  background: rgba(78, 205, 196, 0.4);
  height: 180px;
  right: -149px;
  top: 150px;
}

.square_items2 span:nth-child(3) {
  background: rgba(78, 205, 196, 0.4);
  left: -60px;
  width: 60px;
  height: 120px;
  top: 176px;
}

.square_items2 span:nth-child(4) {
  background: rgba(253, 109, 108, 0.4);
  left: -130px;
  width: 130px;
  height: 135px;
  top: 75px;
}

.square_items2 span:nth-child(5) {
  background: rgba(78, 205, 196, 0.4);
  width: 40px;
  height: 40px;
  right: -103px;
  top: -50px;
}

.square_items2 span:nth-child(6) {
  background: rgba(253, 109, 108, 0.4);
  width: 25px;
  height: 25px;
  right: -128px;
  top: -10px;
}

/*--------journal-------*/
.journals_pane {
  margin: 115px auto;
}

.journal_items {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
}

.journal_item {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
  min-width: 50%;
  max-width: 50%;
}

.journal_item:nth-child(2) {
  color: #556272;
  padding: 0 70px;
}

.journal_item:nth-child(1) {
  background: #efeff1;
  text-align: center;
  height: 550px;
}

.journal_item:nth-child(1) img {
  position: relative;
  top: 80px;
  width: 85%;
  height: 90%;
  object-fit: contain;
  padding: 30px;
  background: #ffffff;
  border: 1px solid #efeff1;
}

.journal_item:nth-child(1) h3 {
  color: #fd6d6c;
  position: relative;
  top: 50px;
}

.journal_steps {
  margin-top: 45px;
}

.journal_steps a {
  background: #fd6d6c;
  color: #ffffff;
  padding: 5px 30px;
  border-radius: 3px;
  font-size: 1.3rem;
  font-weight: bold;
}

.journal_step {
  position: relative;
  margin: 35px auto;
}

.journal_step span {
  padding: 4px 7px;
  font-size: 1.1rem;
  font-weight: bold;
}

.journal_step h6 {
  line-height: 27px;
  opacity: 0.8;
  display: inline-block;
}

/*--------article--------*/
.article_pane {
  margin: 150px auto 80px auto;
}

.article_pane h3 {
  color: #fd6d6c;
  text-align: center;
  margin-bottom: 30px;
}

.article_items {
  box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.15);
  border-radius: 3px;
  height: 615px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #4ecdc4 #cacaca;
  padding: 15px 0;
}

.article_items::-webkit-scrollbar {
  width: 8px;
}

.article_items::-webkit-scrollbar-track {
  background: #cacaca;
}

.article_items::-webkit-scrollbar-thumb {
  background-color: #4ecdc4;
  border-radius: 20px;
  border: 1px solid #ffffff;
}

.article_item {
  margin: 20px 20px 0 20px;
  padding: 0px 20px 15px 20px;
  text-align: left;
  color: #556272;
  border-bottom: 2px solid #f6f3f3;
}

.article_item:last-child {
  border: none;
}

.article_item .article_date {
  opacity: 0.6;
}

.article_item .article_date .fa {
  float: left;
  margin-right: 5px;
  position: relative;
  top: 4px;
}

.article_item h5 {
  margin-top: 12px;
}

.article_item p {
  opacity: 0.8;
  margin-bottom: 8px;
}

.article_item > a {
  color: #fd6d6c;
}

.article_item > a .fa {
  margin-left: 5px;
  font-size: 1.5rem;
  position: relative;
  top: 5px;
}

.article_category a {
  color: #4ecdc4;
}

.article_author {
  margin: 15px auto;
}

.article_author a {
  background: #4ecdc4;
  color: #ffffff;
  padding: 2px 5px;
  border-radius: 3px;
  margin: 0 3px;
}

/*------footer--------*/
footer {
  border-top: 10px solid #efeff1;
  color: #556272;
}

.footer_items {
  display: flex;
  display: -ms-flexbox;
  justify-content: center;
  flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  margin: 60px auto 50px auto;
}

.footer_item {
  flex: 1 0 100px;
  -ms-flex: 1 0 100px;
}

.footer_item:nth-child(1) {
  flex: 2 0 100px;
  -ms-flex: 2 0 100px;
}

.footer_item h5 {
  color: #fd6d6c;
  margin-bottom: 20px;
}

.footer_item a {
  color: #556272;
}

.footer_item ul li {
  padding: 5px 0;
}

.footer_item form input {
  max-width: 100%;
  width: 385px;
  margin-top: 30px;
  border: 2px solid #efeff1;
  padding: 5px;
  border-radius: 3px;
}

.footer_item button {
  max-width: 100%;
  width: 385px;
  background: #fd6d6c;
  color: #ffffff;
  margin-top: 10px;
  border: none;
  padding: 7px;
  border-radius: 3px;
  font-size: 1.2rem;
}
.footer_item input {
  max-width: 100%;
  width: 385px;
  border:dotted 1px #bbb;
  padding: 7px;
  border-radius: 3px;
  font-size: 1.2rem;
}

.copy_right {
  padding: 10px 0;
  border-top: 1px solid #f6f3f3;
  text-align: center;
  opacity: 0.7;
}

/*-----responsive--------*/
@media (max-width: 1200px) {
  .header_info nav {
    min-width: 50%;
  }
  .researcher_pane {
    padding-top: 13px;
  }
  .researcher_item {
    flex: 1 0 100%;
    -ms-flex: 1 0 100%;
    margin-bottom: 80px;
  }
  .researcher_item > p {
    margin-bottom: 60px;
  }
  .services_pane {
    margin-top: 290px;
  }
  .work_pane {
    margin: 30px auto 70px auto;
  }
  .journals_pane {
    margin: 40px auto;
  }
  .article_pane {
    margin: 90px auto 60px auto;
  }
  .work_item,
  .journal_item {
    min-width: 100%;
    max-width: 100%;
  }
  .journal_steps {
    margin-top: 115px;
  }
  .work_items {
    margin: 100px auto;
  }
  .work_item:nth-child(1) {
    padding: 0px 30px;
  }
  .customers_item p {
    padding: 100px 40px;
  }
  .researcher_pane::before,
  .customers_pane::before {
    display: none;
  }
}

@media (max-width: 1110px) {
  .services_pane {
    margin-top: 65px;
  }
  .services_item {
    margin: 10px;
  }
  .services_pane::before {
    display: none;
  }
}

@media (max-width: 992px) {
  .customers_item {
    min-width: 100%;
  }
  .vstoplink{
    display: none;
  }

  .vstoplink{
    display: none;
  }

  .vslogo{
    flex-basis: calc(100% - 320px);
    text-align:center
  }
  
  .vslinks{
    flex-basis: 160px;
    flex-grow: 0;
    flex-shrink: 0;
  }

  .vslogo img{
    width: 150px;
    padding-right: 0px;
    
  }
  .vsmenu{
    flex-basis: 160px;
    flex-grow: 0;
    flex-shrink: 0;
    
  }

  .header_info nav {
    text-align: center;
    position: fixed;
    background: #efeff1;
    top: 0;
    width: 200px;
    min-width: unset;
    max-width: 100%;
    height: 100vh;
    z-index: 10;
    left: -200px;
    border-right: 2px solid #fd6d6c;
    transition: all 300ms;
  }
  .header_info nav ul {
    margin-top: 100px;
  }
  .header_info nav ul li {
    float: none;
    margin: 30px 10px;
  }
  .rtl .header_info nav {
    right: -200px;
    border-left: 2px solid #fd6d6c;
    border-right: none;
  }
  .customers_item p {
    padding: 25px 25px 70px 24px;
  }
  .customers_item h3 {
    top: 0;
  }
  .customers_item {
    padding: 25px;
  }
  .owl-customers .owl-nav {
    top: -50px;
  }
  .footer_item {
    padding: 0 30px;
    min-width: 100%;
    margin: 20px auto;
  }
}

@media (max-width: 768px) {
  .carousel_item {
    min-width: 100%;
    max-width: 100%;
  }
  .virascience_item {
    min-width: 100%;
    max-width: 100%;
    padding: 55px 20px 0 20px;
  }
}

@media (max-width: 680px) {
  .header_info .logo {
    min-width: 100%;
    text-align: center;
  }
  .mobile_menuicon {
  }
  .square_items1 span {
    display: none;
  }
  .researcher_info p {
    width: 100%;
    right: 0;
  }
}

@media (max-width: 572px) {
  .square_items2 span {
    display: none;
  }
}

@media (max-width: 400px) {
  .researcher_info {
    max-width: 100%;
    width: unset;
  }
}



.vslogo{
  flex-basis: 200px;
  text-align:right;
}

.vstoplink{
  flex-basis: calc(100% - 370px);
  flex-grow: 1;
  text-align:right

}
.vstoplink span{
  margin-right:15px;

}
.vstoplink a{
  text-decoration: none;
  color:#1d2b36;

}

.vslogo img{
  height: 32px;
}


.vslinks{
  flex-basis: 170px;
  flex-grow: 0;
  flex-shrink: 0;
  text-align: center;
}

.vslinks a{
  color:#1d2b36;
  font-size:15px;
  font-weight:400;
  padding:5px;
  
}