:root {
  --text-primary: #5c5c5c;
  --text-heading: #111111;
  --text-white: #ffffff;
  --primary-color: #016396;
  --primary-hover: #305190;
  --primary-light: #38acda;
  --secondary-color: #6fbf46;
  --secondary-hover: #6ebe41;
  --bg-light: #f8f8f8;
  --bg-muted: #f1f1f8;
  --bg-white: #ffffff;
  --border-light: #dfdfdf;
  --border-gray: #5c5c5c;
}
/*--- Text Colors--- */
.text-primary {
  color: var(--text-primary);
}
.text-dark {
  color: var(--text-dark);
}
.text-white {
  color: var(--text-white);
}
/*--- Brand Colors ---*/
.vlabs-text-primary {
  color: var(--primary-color);
}

.vlabs-text-secondary {
  color: var(--secondary-color);
}

/*--- Background Colors ---*/
.bg-light {
  background-color: var(--bg-light);
}
.bg-primary {
  background-color: var(--primary-color) !important;
}
/*--- Btn Colors ---*/
.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-white);
  font-family: "Roboto", "Open Sans", Arial, sans-serif;
  border-color: var(--primary-color);
}
.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}
.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-white);
  border-color: var(--secondary-color);
}
.btn-secondary:hover {
  background-color: var(--primary-color);
}
.vlab-heading-wpr {
  margin-bottom: 2rem;
}
.vlab-heading-wpr .vlab-heading-icon h2 {
  margin-bottom: 0;
}
.vlab-heading-wpr .btn {
  padding: 0.25rem 0.75rem;
}
.inner-lab-head {
  border-bottom: 1px solid rgb(0 0 0 / 5%);
  padding-bottom: 2rem;
}
/*--- Borders Colors ---*/
.border-primary {
  border-color: var(--primary-color);
}
.border-secondary {
  border-color: var(--secondary-color);
}
.border-light {
  border-color: var(--bg-light);
}
body {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 400;
  color: var(--text-primary);
  font-size: 0.938rem;
  line-height: 1.6;
}
p {
  font-size: 0.938rem;
  line-height: 1.6;
}
div p:last-child {
  margin-bottom: 0;
}
.content-block > :last-child {
  margin-bottom: 0;
}
a {
  text-decoration: none;
  color: var(--primary-color);
  transition: 0.2s all ease-in-out;
}
a:hover {
  color: var(--secondary-color);
}
/*---typo---*/
.title-1,
.title-2,
.title-3,
.title-4,
.title-5,
.title-6,
h1,
h2,
h3,
h4,
h5,
h6,
.usage-item,
.footer a {
  font-family: "Roboto", "Open Sans", Arial, sans-serif;
}
.title-1,
h2 {
  font-size: 2rem;
  line-height: 1.2;
}
h2,
.title-2 {
  font-size: 1.5rem;
  line-height: 1.2;
}
h3,
.title-3 {
  font-size: 1.125rem;
  line-height: 1.3;
}
h4,
.title-4 {
  font-size: 1rem;
  line-height: 1.4;
}
h5,
.title-5 {
  font-size: 0.875rem;
  line-height: 1.4;
}
h6,
.title-6 {
  font-size: 0.75rem;
  line-height: 1.3;
}
/*---/typo---*/
/*--- common classes ---*/
.lh-0 {
  line-height: 0;
}
.vlab-section-spacing {
  padding: 3.5rem 0;
}
.inner-page-spacing {
  padding-top: 2.5rem;
}
.vlab-content > *:last-child {
  margin-bottom: 0;
}
.vlab-heading-icon {
  display: flex;
  gap: 0.625rem;
}
.vlab-heading-icon img {
  max-height: 30px;
}
.vlab-heading-icon h2 {
  color: var(--text-primary);
  border-bottom: 1px solid var(--secondary-color);
  padding-bottom: 0.25rem;
  position: relative;
  margin-bottom: 2rem;
}
.vlab-heading-icon h2.vlabs-text-primary {
  color: var(--primary-color);
}
.inner-lab-head .vlab-heading-icon h2 {
  margin-bottom: 4px;
}
.inner-lab-head h2 {
  color: var(--text-primary);
  border-bottom: 1px solid var(--secondary-color);
  padding-bottom: 0.25rem;
  position: relative;
  margin: 0;
}
.text-justify {
  text-align: justify;
}
.block-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 4rem;
}
.block {
  border-radius: 0.5rem;
  border: 1px solid var(--border-light);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.block a {
  padding: 1rem;
  display: inherit;
}
.block:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}
/*--- /common classes ---*/
.virtual-labs-topbar {
  background: var(--bg-light);
  font-size: 0.75rem;
  color: var(--text-heading);
  padding: 0.5rem;
}
.virtual-labs-header .bg-light {
  background: var(--bg-white) !important;
}
.virtual-labs-search {
  position: relative;
  border: 1px dashed var(--border-gray);
  padding: 0.25rem 0.25rem 0.25rem 1.5rem;
  display: flex;
  align-items: center;
}
.virtual-labs-search:before,
.virtual-labs-search:after {
  content: "";
  position: absolute;
  box-sizing: border-box;
  height: 7px;
  width: 7px;
  top: 16px;
  border-style: solid;
  border-color: #000;
  border-width: 0 0 1px 1px;
  transform: rotate(45deg);
  transition: border-width 150ms ease-in-out;
}
.virtual-labs-search:before {
  left: 10px;
}
.virtual-labs-search:after {
  left: 13.5px;
}
.virtual-labs-search input {
  border: 0;
  border-radius: 0;
  font-size: 0.625rem;
  color: var(--text-heading);
  padding: 0;
  transition: width 0.2s ease-in-out;
  width: 150px;
  height: 100%;
}
.virtual-labs-search input,
.virtual-labs-search input::placeholder {
  font-size: 14px;
}
.virtual-labs-search .form-control:focus {
  box-shadow: none;
}
.virtual-labs-suggestion {
  /* display: none; */
  position: absolute;
  width: 368px;
  top: 60px;
  max-height: 200px;
  overflow-y: scroll;
  background: var(--bg-light);
  right: 0;
  z-index: 999;
}

.virtual-labs-list li {
  font-size: 0.75rem;
  border-bottom: 1px solid rgb(0 0 0 / 10%) !important;
  padding: 0.4rem 0.75rem;
}
.virtual-labs-list li:hover {
  background: var(--bg-muted);
  cursor: pointer;
}

/* Chrome, Edge, Safari */
.virtual-labs-suggestion::-webkit-scrollbar {
  width: 6px;
}
.virtual-labs-suggestion::-webkit-scrollbar-track {
  background: transparent;
}
.virtual-labs-suggestion::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 100px;
}
.virtual-labs-suggestion::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.35);
}
/* Firefox */
.virtual-labs-suggestion {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}
.breadcrumb-section .breadcrumb-item {
  color: var(--primary-color);
  font-size: 0.813rem;
  font-weight: 500;
}
.breadcrumb-section .breadcrumb-item a:hover {
  color: var(--secondary-color);
}
.breadcrumb-section .breadcrumb-item.active {
  color: var(--text-primary);
}
.breadcrumb-section .breadcrumb-item {
  position: relative;
  padding-right: 1rem;
}

.breadcrumb-section .breadcrumb-item::before,
.breadcrumb-section .breadcrumb-item::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-right: 1px solid rgb(0 0 0 / 65%);
  border-bottom: 1px solid rgb(0 0 0 / 65%);
  transform: rotate(-45deg) translateY(-50%);
  top: 50%;
}

.breadcrumb-section .breadcrumb-item::before {
  right: 6px;
  padding-right: initial;
}

.breadcrumb-section .breadcrumb-item::after {
  right: 3px;
}
.breadcrumb-section .breadcrumb-item.active::after,
.breadcrumb-section .breadcrumb-item.active::before {
  display: none;
}
/*--- home-slider ---*/
.vlab-home-swiper,
.hero-slide {
  height: 400px;
}
.hero-slide {
  position: relative;
  overflow: hidden;
}
.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}
.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.hero-overlay {
  background: rgba(0, 0, 0, 0.25);
  z-index: 2;
  pointer-events: none;
}
.hero-slide .container {
  position: relative;
  z-index: 3;
}
.hero-title {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}
.hero-desc {
  font-size: 1.125rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
}
/* Navigation */
.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  backdrop-filter: blur(4px);
}
.banner-swiper .swiper-button-prev::after,
.banner-swiper .swiper-button-next::after {
  font-size: 16px;
  color: #fff;
  font-weight: 700;
}
/* Pagination */
.banner-swiper .swiper-pagination {
  bottom: 1rem;
}
.banner-swiper .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 1;
  margin: 0 0.5rem !important;
}
.banner-swiper .swiper-pagination-bullet-active {
  background: #fff;
}
/*--- /home-slider ---*/
/*--- broad-area ---*/
.broad-area-item {
  background: var(--bg-muted);
}
.broad-area-title,
.institutes-vlabs-inner .engineering-institue-name {
  display: flex;
  align-items: center;
  justify-content: start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.broad-area-title h3 {
  text-align: left;
  color: var(--text-primary);
  font-weight: 600;
  margin: 0;
}
.vlab-count-wpr {
  color: var(--primary-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.vlab-count,
.vlab-institutes-count {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
/*--- /broad-area ---*/
/* --- institute --- */
.institute-item {
  background: var(--bg-white);
}
.institute-item a,
.broad-area-item a {
  display: flex;
  gap: 1.5rem;
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  align-items: center;
}
.institue-logo,
.engineering-logo {
  width: 4rem;
  flex-shrink: 0;
}
.institue-logo img,
.engineering-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.engineering-labs-wpr {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: center;
  gap: 1rem;
}
.institutes-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.engineering-institue-name {
  margin-bottom: 0;
}
/* --- institute --- */
/* --- popular-labs --- */
.popular-vlabs-item {
  background: var(--bg-light);
}
.popular-vlabs-item a {
  padding: 1rem 0;
}
.top-wrapper {
  padding: 0 1.5rem;
}

.popular-vlabs-item h3 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.engineering-simulation-labs {
  color: var(--primary-color);
}
.top-wrapper p {
  color: var(--text-primary);
  margin-top: 0.75rem;
  line-height: 1.4;
}
.institute-name .institue-logo {
  width: 2rem;
  height: 2rem;
}
.institute-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
  padding: 0.5rem 1.5rem;
  background: var(--bg-white);
  gap: 0.5rem;
}
.engineering-institue-name {
  color: var(--text-primary);
  font-weight: 600;
}
/* --- /popular-labs --- */
/* --- site-usage --- */
.virtual-labs-site-usage {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.usage-item {
  text-align: center;
  border: 1px solid var(--border-light);
  padding: 1.25rem 1rem 1rem;
  border-radius: 0.5rem;
  background: #fff;
}
.usage-count {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}
/* --- /site-usage --- */
/* --- yt-video --- */
.yt-video {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  cursor: pointer;
  border: 1px solid var(--border-light);
}
.yt-thumbnail,
.yt-video iframe {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.yt-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
/* --- /yt-video --- */
.vlab-resources {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.resource-item {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}
.resource-item:last-child {
  border: 0;
}
/* --- anouncement --- */
.vlab-anouncement-card {
  background: var(--secondary-color);
  border-radius: 0.5rem;
  color: var(--text-white);
  padding: 1.25rem;
  border: 3px solid #ffffff;
}
.vlab-anouncement-card p {
  color: var(--text-white);
  margin-bottom: 0;
  line-height: 1.3;
}
.anouncement-date {
  color: var(--text-white);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.vlab-anouncement-swiper .swiper-wrapper {
  height: auto;
}
.vlab-anouncement-swiper .swiper-slide {
  display: flex;
  height: auto;
  border: 1px solid rgb(111 191 70 / 15%);
  border-radius: 0.5rem;
}
.vlab-anouncement-swiper .swiper-slide > * {
  width: 100%;
  height: 100%;
}
.vlab-anouncement-swiper {
  position: relative;
  padding: 0 15px;
  margin: 0 -15px;
}
.vlab-anouncement-swiper .swiper-button-next,
.vlab-anouncement-swiper .swiper-button-prev {
  width: 30px;
  height: 30px;
  margin: 0;
  background: #dfe2e7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  top: 50%;
  transform: translateY(-50%);
}
.vlab-anouncement-swiper .swiper-button-prev {
  left: 2px;
}
.vlab-anouncement-swiper .swiper-button-next {
  right: 2px;
}
.vlab-anouncement-swiper .swiper-button-next::after,
.vlab-anouncement-swiper .swiper-button-prev::after {
  font-size: 12px;
  font-weight: 700;
  color: #666;
}
/* --- /anouncement --- */
/* --- footer --- */
.footer li {
  line-height: 1.2;
  padding: 0;
  /* padding: 0.25rem 0; */
  transition: 0.2s all ease-in-out;
}
.footer a {
  color: var(--text-white);
  font-size: 0.75rem;
  opacity: 0.8;
}
.footer a:hover {
  opacity: 1;
}

.footer li a {
  padding: 0.35rem 0;
  display: inline-block;
  line-height: 1.3;
}

.footer li:hover a {
  opacity: 1;
  transform: translateX(2px);
}
.footer .social-icon {
  background: var(--bg-white);
  width: 28px;
  height: 28px;
  display: inline-block;
  border-radius: 50%;
  opacity: 1 !important;
}
.social-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.footer .title-light {
  color: #d1d1d1;
}
.footer .col-border::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 100%;
  background: #fff;
}
/* --- /footer --- */
/* --- broad-area-inner --- */
.inner-main-head img {
  max-height: 60px;
}

.inner-main-head {
  display: flex;
  align-items: center;
}
.inner-lab-head .vlab-heading-icon {
  align-items: center;
}
.inner-lab-head .vlab-heading-icon img {
  max-height: 60px;
}
.broad-area-vlabs-inner,
.institutes-vlabs-inner {
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.broad-area-vlabs-inner .block {
  background: var(--bg-white);
}
.institutes-vlabs-inner .block {
  background: var(--bg-light);
}
.broad-area-vlabs-inner a,
.institutes-vlabs-inner a {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  gap: 0.75rem;
}
.broad-area-vlabs-inner .broad-area-title,
.institutes-vlabs-inner .engineering-institue-name {
  margin: 0;
  width: 100%;
}
.broad-area-vlabs-inner .broad-area-title h4,
.institutes-vlabs-inner .engineering-institue-name h4 {
  text-align: left;
  color: var(--text-primary);
  font-weight: 600;
  margin: 0;
}
.vlab-info-wpr {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  align-items: end;
}
.chips-item {
  text-align: center;
}
.chip {
  border: 1px solid var(--primary-color);
  border-radius: 1.5rem;
  padding: 0.25rem 0.5rem;
  background: var(--bg-white);
}
.popular-vlabs-inner .institute-name .institue-logo {
  width: 2.5rem;
  height: 2.5rem;
}

.block-col-3 a {
  height: 100%;
  padding: 1rem;
  gap: 1rem;
}
.block-white .block {
  background: var(--bg-white) !important;
}
.block-light .block {
  background: var(--bg-light) !important;
}
.block-col-3 .engineering-labs-wpr {
  gap: 0.75rem;
}
/* --- /broad-area-inner --- */
/* --- /lab --- */
.contacts-wrapper .exp-code {
  color: var(--text-primary);
  font-weight: 400;
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}

.contacts-wrapper .title-4 {
  color: var(--text-primary);
  font-weight: 600;
}
.contacts-wrapper .block {
  padding: 1rem;
}
.email-info-wpr a {
  display: inline-block;
  line-height: normal;
  margin-left: 2px;
  margin-top: 2px;
}
/* .email-info-wpr {
  display: flex;
  align-items: center;
} */
.email-info-wpr a {
  padding: 0;
}
.experiments .exp-code {
  color: var(--text-primary);
  font-weight: 400;
  font-size: 0.75rem;
}

.experiments .title-4 {
  color: var(--text-primary);
  font-weight: 600;
  height: 100%;
}
.experiments a {
  gap: 0.5rem;
  display: flex;
  flex-direction: column;
}
.experiments .block:hover .exp-open {
  color: var(--secondary-color);
}

.info-panel {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 1.6rem 1.8rem;
  margin-bottom: 1.5rem;
}
.info-panel h2 {
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 1rem;
}
.info-panel hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 0 0 1.4rem;
}

.empty-note {
  background: var(--bg-light);
  border: 0px solid var(--border-light);
  border-radius: 0.5rem;
  padding: 0.9rem 1.1rem;
  font-style: italic;
  color: var(--text-primary);
  font-size: 0.94rem;
}

.status-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: space-between;
}
.status-item .status-label {
  font-weight: 700;
  color: var(--text-heading);
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}
.status-item .status-value {
  color: var(--text-primary);
  font-size: 0.94rem;
}
.badge-yes {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--text-white);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
}

.lab-text-block {
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-light);
}
.infp-panel-wpr {
  display: grid;
  grid-template-columns: 30% 70%;
  gap: 2.5rem;
}
.info-panel span {
  color: var(--text-primary);
  font-weight: 500;
}
/* .lab-text-block div {
  margin: 1px 0px;
} */
.lab-person-info {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.lab-person-info div span {
  display: block;
}
.person-pad {
  padding: 0.5rem 1rem;
}
li p {
  margin: 4px;
}
/* --- /lab --- */
/* --- faq --- */
.accordion-item {
  border: 1px solid #e9ecef;
  border-radius: 0.5rem !important;
  overflow: hidden;
  margin-bottom: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.accordion-button {
  padding: 0.8rem 1rem;
  font-weight: 500;
  font-size: 1rem;
  font-family: "Space Grotesk", sans-serif;
  box-shadow: none;
  border-bottom: 1px solid transparent;
}
.accordion-button:hover {
  color: var(--primary-color);
}
.accordion-button:focus {
  box-shadow: none;
}
.accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background: var(--bg-white);
  border-bottom: 1px solid #dee2e6;
  box-shadow: none;
}

.accordion-button::after {
  content: "+";
  background: none;
  font-size: 1.6rem;
  font-weight: 300;
  width: auto;
  height: auto;
}

.accordion-button:not(.collapsed)::after {
  content: "−";
  transform: none;
  background-image: none;
}
/* --- /faq --- */
/*--- media query ---*/

/* Desktop */
@media (min-width: 1200px) {
  .block-col-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .block-col-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}
@media (min-width: 992px) {
  .virtual-labs-header .navbar {
    padding: 0;
    min-height: 80px;
  }
  .navbar-nav {
    height: 80px;
  }
  .navbar-nav .nav-item {
    display: flex;
  }
  .virtual-labs-header .nav-link {
    font-size: 0.9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    height: 100%;
    padding-inline: 24px;
  }
  .virtual-labs-header .nav-link:hover,
  .virtual-labs-header .navbar-nav .nav-link.active,
  .virtual-labs-header .navbar-nav .nav-link.show {
    color: var(--primary-color);
  }
  .navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-right: 0;
  }
  .virtual-labs-header .dropdown-menu {
    padding: 0;
    border-radius: 4px;
    background: var(--bg-light);
    border: 1px solid rgb(0 0 0 / 10%);
    overflow: hidden;
  }
  .virtual-labs-header .dropdown-item {
    font-size: 13px !important;
    border-bottom: 1px solid rgb(0 0 0 / 10%);
  }
  .virtual-labs-header .dropdown-item:hover {
    background: var(--primary-color);
    color: var(--text-white);
  }
  .virtual-labs-header .dropdown-menu li:last-child .dropdown-item {
    border-bottom: 0;
  }
  .virtual-labs-header .dropdown-menu[data-bs-popper] {
    top: 99%;
  }
  .dropdown-toggle {
    padding-right: 1.75rem !important;
  }
  .dropdown-toggle::before,
  .dropdown-toggle::after {
    content: "";
    position: absolute;
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-left: 0.5rem;
    vertical-align: middle;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    border-top: 0;
    border-left: 0;
    transform: rotate(45deg) translateX(-50%);
    right: 8px;
    top: 48%;
  }
  .dropdown-toggle::before {
    margin-top: -3px;
  }
  .navbar .dropdown:hover .dropdown-menu {
    display: block;
    margin-top: 0;
    top: 101%;
  }
  .nav-search {
    order: 99;
  }
  .vlab-heading-icon h2::after {
    content: "";
    display: inline-block;
    width: 30px;
  }
  .width-50 {
    width: 50%;
  }
}
@media (max-width: 1199.98px) {
  .virtual-labs-suggestion {
    width: 325px;
  }
  .hero-title,
  .hero-desc {
    padding: 0 2rem;
  }
  .vlab-info-wpr {
    grid-template-columns: repeat(2, 1fr);
  }
  .block-wrapper {
    gap: 2rem;
  }
  .broad-area-vlabs-inner.block-wrapper,
  .institutes-vlabs-inner.block-wrapper {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .experiments {
    gap: 1rem !important;
  }
  .block-col-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 991.98px) {
  .virtual-labs-search input {
    width: 265px;
  }
  .virtual-labs-suggestion {
    width: 325px;
    top: 55px;
    right: inherit;
    left: 50%;
    transform: translateX(-50%);
  }
  /*--- nav ---*/
  /* .navbar-nav .nav-link {
    color: var(--text-white);
  } */
  .navbar-collapse {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    max-width: 85%;
    height: 100vh;
    background: var(--primary-color);
    z-index: 1055;
    overflow-y: auto;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.15);
    /* Sidebar Animation */
    transform: translateX(-100%);
    visibility: hidden;
    transition:
      transform 0.35s ease,
      visibility 0.35s ease;
  }
  .navbar-collapse.show {
    transform: translateX(0);
    visibility: visible;
  }
  .mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 60px;
    padding: 0 1rem;
    border-bottom: 1px solid rgb(255 255 255 / 50%);
  }
  /* .navbar-nav {
    padding: 1rem;
  } */
  .navbar-nav .nav-link {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid rgb(255 255 255 / 50%);
    color: var(--text-white);
    position: relative;
  }
  .navbar-nav .dropdown-menu {
    border: 0;
    box-shadow: none;
    padding: 0;
    /* background-color: #074a6b; */
    background: rgb(1 81 122 / 50%);
    border-radius: 0;
    margin: 0;
  }
  .navbar-nav .dropdown-item:hover,
  .navbar-nav .dropdown-item:focus,
  .navbar-nav .dropdown-item:focus-visible {
    background: rgb(1 81 122 / 50%);
    outline: transparent;
  }
  .navbar-nav .dropdown-item {
    color: var(--text-white);
    border-bottom: 1px solid rgb(255 255 255 / 25%);
    font-size: 14px;
    padding: 0.4rem 1.5rem 0.4rem 0.4rem;
    padding-left: 1.5rem;
  }
  .navbar-nav .nav-link.active,
  .navbar-nav .nav-link.show {
    color: var(--text-white);
  }
  .navbar-nav .dropdown-toggle::after {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
  }
  .mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    z-index: 1050;
  }
  .mobile-menu-backdrop.show {
    opacity: 1;
    visibility: visible;
  }
  /*--- /nav ---*/
  .virtual-labs-site-usage {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .vlab-home-swiper,
  .hero-slide {
    height: 250px;
  }
  .hero-title {
    font-size: 1.75rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .btn-circle {
    padding: 0 !important;
    border-radius: 50%;
    height: 34px;
    width: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .hero-title,
  .hero-desc {
    padding: 0;
  }
  .container {
    padding-right: calc(var(--bs-gutter-x) * 1);
    padding-left: calc(var(--bs-gutter-x) * 1);
  }
  .virtual-labs-header .navbar {
    min-height: 64px;
  }
  .navbar-brand .emblem-logo {
    width: 25px;
  }
  .navbar-brand .vlab-logo {
    width: 75px;
  }
  .navbar-brand {
    gap: 0.5rem;
    margin-right: 0;
  }
  .vlab-section-spacing {
    padding: 2.25rem 0;
  }
  .vlab-heading-wpr,
  .vlab-heading-icon h2 {
    margin-bottom: 1.75rem;
  }
  .block-wrapper {
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
  }
  .broad-area-vlabs-inner.block-wrapper,
  .institutes-vlabs-inner.block-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
  .broad-area-item,
  .popular-vlabs-item,
  .institute-item {
    flex: 0 0 100%;
  }
  .broad-area-item a,
  .institute-item a {
    padding: 1.25rem;
  }
  .top-wrapper,
  .institute-name {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  .vlab-anouncement-card {
    padding: 1.25rem 1.5rem;
  }
  .vlab-anouncement-swiper .swiper-button-prev {
    left: 4px;
  }
  .vlab-anouncement-swiper .swiper-button-next {
    right: 4px;
  }
  .yt-video {
    height: 210px !important;
  }
  .footer {
    padding: 2rem 0 1rem;
  }

  .inner-main-head h2 {
    border-bottom: 0;
  }
  .inner-main-head {
    border-bottom: 1px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
  }
  .footer .col-border::after {
    display: none;
  }
  .table-responsive .contact-table {
    display: grid;
    grid-template-rows: repeat(6, auto);
    grid-auto-flow: column;
    grid-auto-columns: 35% 65%;
    width: max-content;
    min-width: 100%;
  }
  .contact-table thead,
  .contact-table tbody,
  .contact-table tr {
    display: contents;
  }
  .contact-table th,
  .contact-table td {
    display: flex;
    align-items: center;
    padding: 0.75rem;
  }
  .inner-lab-head .vlab-heading-icon {
    display: flex;
    align-items: center;
  }
  .inner-lab-head .vlab-heading-icon img {
    max-height: 60px;
  }
  .infp-panel-wpr {
    grid-template-columns: 100%;
  }
  .g-map iframe {
    height: 180px;
  }
  .block-col-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .g-map {
    margin-top: 1.5rem;
  }
}
@media (max-width: 767.98px) {
  .virtual-labs-search input {
    width: 190px;
  }
  .virtual-labs-suggestion {
    width: 250px;
  }
  .mobile-col-2 a {
    display: grid;
    grid-template-columns: 3.5rem 1fr;
    grid-template-rows: auto auto;
    column-gap: 1rem;
    row-gap: 0.75rem;
    align-items: center;
  }
  .mobile-col-2 .engineering-institue-name {
    display: contents;
  }
  .mobile-col-2 .engineering-institue-name img {
    grid-column: 1;
    grid-row: 1 / 3;
    width: 3.5rem;
    height: 3.5rem;
    object-fit: contain;
  }
  .mobile-col-2 .engineering-institue-name h4 {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
  }
  .mobile-col-2 .institutes-info {
    grid-column: 2;
    grid-row: 2;
    justify-content: space-between;
  }
  .broad-area-vlabs-inner.block-wrapper,
  .institutes-vlabs-inner.block-wrapper {
    grid-template-columns: repeat(1, 1fr);
  }
  .inner-lab-head {
    gap: 1rem;
  }
  .institute-logo-head img {
    width: 60px;
  }
  .institute-logo-head {
    gap: 0.625rem !important;
  }
  .lab-person-info > div {
    width: 100%;
  }
  .lab-person-info {
    gap: 0.5rem;
  }
  .block-col-4 {
    grid-template-columns: repeat(1, 1fr);
  }
}
@media (max-width: 575.98px) {
  .navbar-brand {
    order: 1;
  }

  .navbar-toggler {
    order: 2;
    margin-left: auto;
  }

  .nav-search {
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    margin-top: 0.5rem;
  }

  .virtual-labs-search,
  .virtual-labs-search input {
    width: 100%;
  }
  .virtual-labs-suggestion {
    width: 100%;
    left: inherit;
    right: 0;
    top: 48px;
    transform: inherit;
  }
  h3,
  .title-3 {
    line-height: 1.2;
  }
  .hero-banner,
  .vlab-home-swiper,
  .hero-slide {
    height: 350px;
  }
  .hero-desc {
    font-size: 0.938rem;
  }
  .banner-swiper .swiper-button-next,
  .banner-swiper .swiper-button-prev {
    display: none !important;
  }
  .usage-count {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
  .usage-title {
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.4;
  }
  .text-justify {
    text-align: left;
  }

  .broad-area-item a,
  .institute-item a {
    padding: 0.75rem;
    gap: 0.75rem;
  }
  .institue-logo,
  .engineering-logo {
    width: 3.5rem;
    height: 3.5rem;
  }
  .engineering-labs-wpr {
    gap: 0.75rem;
  }
  .vlab-count-wpr {
    flex-wrap: wrap;
    gap: 0.5rem;
    line-height: 1.2;
  }
  .top-wrapper,
  .institute-name {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  .vlab-info-wpr {
    grid-template-columns: repeat(1, 1fr);
  }
  .chips-item {
    text-align: center;
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
  }
  .chips-item div:first-child {
    width: 1.25rem;
  }
  .chip {
    padding: 0.25rem 1rem;
    min-width: 160px;
    margin: 0 !important;
  }
  .title-1,
  h1 {
    font-size: 1.7rem;
  }

  .title-2,
  h2 {
    font-size: 1.3rem;
  }

  .title-3,
  h3 {
    font-size: 1rem;
  }

  .title-4,
  h4 {
    font-size: 0.9rem;
  }

  .title-5,
  h5 {
    font-size: 0.8rem;
  }

  .title-6,
  h6 {
    font-size: 0.7rem;
  }

  body,
  p {
    font-size: 0.9rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-desc {
    font-size: 0.85rem;
  }

  .usage-count {
    font-size: 1.3rem;
  }

  .usage-title {
    font-size: 0.9rem;
  }
  .lab-text-block div {
    width: 100%;
  }
  .lab-person-info {
    gap: 0.25rem;
  }
}