:root {
  --vtiu-ink: #102033;
  --vtiu-ink-soft: #38506a;
  --vtiu-navy: #12304a;
  --vtiu-blue: #1769aa;
  --vtiu-teal: #0f9f9a;
  --vtiu-gold: #f4b23f;
  --vtiu-mist: #f4f8fb;
  --vtiu-white: #ffffff;
  --vtiu-border: rgba(16, 32, 51, 0.12);
  --vtiu-shadow: 0 18px 45px rgba(16, 32, 51, 0.12);
  --vtiu-radius: 8px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--vtiu-ink);
  background: var(--vtiu-white);
  font-family: Montserrat, Roboto, Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

body.vtiu-nav-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--vtiu-blue);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--vtiu-teal);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, .btn:focus-visible {
  outline: 3px solid rgba(244, 178, 63, 0.9);
  outline-offset: 3px;
  box-shadow: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--vtiu-ink);
  font-family: Montserrat, Roboto, Arial, sans-serif;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 0;
}

p {
  color: var(--vtiu-ink-soft);
}

.btn, button.btn, a.btn {
  border-radius: 6px;
  font-weight: 700;
  letter-spacing: 0;
  padding: 0.82rem 1.15rem;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.btn:hover, a.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(16, 32, 51, 0.16);
}

.btn-primary, .btn-outline-warning.btn-custom, .btn-custom {
  border-color: var(--vtiu-blue) !important;
  background: var(--vtiu-blue) !important;
  color: var(--vtiu-white) !important;
}

.btn-warning, .btn-outline-warning {
  border-color: var(--vtiu-gold) !important;
  background: var(--vtiu-gold) !important;
  color: #18202b !important;
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.75);
}

.vtiu-shell {
  min-height: 100vh;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 46%, #ffffff 100%);
}

.vtiu-topbar {
  background: var(--vtiu-navy);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.86rem;
}

.vtiu-topbar a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
}

.vtiu-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--vtiu-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow 200ms ease, background-color 200ms ease;
}

.vtiu-navbar.is-scrolled {
  box-shadow: 0 12px 30px rgba(16, 32, 51, 0.11);
}

.vtiu-navbar .navbar-brand img, .top-nav-logo, .dark-logo-bg {
  object-fit: contain;
}

.vtiu-logo {
  width: 106px;
  max-height: 72px;
  object-fit: contain;
}

.vtiu-navbar .nav-link {
  color: var(--vtiu-ink);
  font-weight: 700;
  padding: 0.8rem 0.85rem !important;
  text-decoration: none;
}

.vtiu-navbar .nav-link:hover, .vtiu-navbar .nav-link:focus, .vtiu-navbar .nav-link.active {
  color: var(--vtiu-blue);
}

.vtiu-navbar .dropdown-menu {
  border: 1px solid var(--vtiu-border);
  border-radius: var(--vtiu-radius);
  box-shadow: var(--vtiu-shadow);
  padding: 0.55rem;
}

.vtiu-navbar .dropdown-item {
  border-radius: 6px;
  color: var(--vtiu-ink);
  font-weight: 600;
  padding: 0.62rem 0.75rem;
}

.vtiu-navbar .dropdown-item:hover, .vtiu-navbar .dropdown-item:focus {
  background: var(--vtiu-mist);
  color: var(--vtiu-blue);
}

.vtiu-hero, .vtiu-page-hero, .main-banner {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: 520px;
  padding: clamp(5rem, 9vw, 8rem) 0 clamp(4rem, 8vw, 6rem);
  background: var(--vtiu-navy);
  overflow: hidden;
}

.vtiu-hero::before, .vtiu-page-hero::before, .main-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(105deg, rgba(10, 28, 47, 0.88), rgba(18, 48, 74, 0.72) 48%, rgba(15, 159, 154, 0.42));
}

.vtiu-hero::after, .vtiu-page-hero::after, .main-banner::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 44%;
  z-index: -1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), #ffffff 100%);
}

.vtiu-hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
}

.vtiu-hero-media img, .vtiu-hero-carousel .carousel-item img, .main-banner img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.vtiu-hero-content, .vtiu-page-hero-content, .caption, .vtiu-hero-caption {
  max-width: 760px;
  color: var(--vtiu-white);
}

.vtiu-eyebrow {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  width: max-content;
  max-width: 100%;
  margin-bottom: 1rem;
  padding: 0.38rem 0.68rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.vtiu-hero h1, .vtiu-page-hero h1, .main-banner h1, .vtiu-hero-caption h1 {
  margin-bottom: 1rem;
  color: var(--vtiu-white);
  font-size: clamp(2.35rem, 5vw, 4.85rem);
}

.vtiu-hero p, .vtiu-page-hero p, .main-banner p, .vtiu-hero-caption p {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
}

.vtiu-section, .vtiu-section-padding, section {
  scroll-margin-top: 110px;
}

.vtiu-section {
  padding: clamp(3.2rem, 7vw, 6rem) 0;
}

.vtiu-section-soft {
  background: var(--vtiu-mist);
}

.vtiu-section-dark {
  background: var(--vtiu-navy);
  color: var(--vtiu-white);
}

.vtiu-section-dark h2, .vtiu-section-dark h3, .vtiu-section-dark p {
  color: var(--vtiu-white);
}

.vtiu-section-title {
  max-width: 760px;
  margin: 0 auto 2.2rem;
  text-align: center;
}

.vtiu-section-title p {
  margin: 0;
  font-size: 1.02rem;
}

.vtiu-card, .card, .feature-card, .degree-card, .program-card, .contact-card, .service-item {
  border: 1px solid var(--vtiu-border) !important;
  border-radius: var(--vtiu-radius) !important;
  background: var(--vtiu-white);
  box-shadow: 0 12px 30px rgba(16, 32, 51, 0.08);
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.vtiu-card:hover, .card:hover, .feature-card:hover, .degree-card:hover, .program-card:hover, .contact-card:hover, .service-item:hover {
  transform: translateY(-6px);
  border-color: rgba(23, 105, 170, 0.32) !important;
  box-shadow: var(--vtiu-shadow);
}

.card-body {
  padding: 1.35rem;
}

.card-title, .degree-card h2, .program-card h3 {
  color: var(--vtiu-ink) !important;
}

.vtiu-grid {
  display: grid;
  gap: 1.3rem;
}

.vtiu-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vtiu-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.vtiu-media-card img, .gallery img, .customer-logos img, .left-content img, .card-img-top {
  width: 50%;
}

.vtiu-media-card img, .card-img-top {
  aspect-ratio: 16 / 10;
}

.customer-logos img, .left-content img[src*="logo"] {
  object-fit: contain;
  background: #fff;
}

.table, table {
  border-color: var(--vtiu-border) !important;
  background: var(--vtiu-white);
}

.table thead, table thead, .table-dark {
  background: var(--vtiu-navy) !important;
  color: var(--vtiu-white) !important;
}

.table td, .table th, table td, table th {
  vertical-align: middle;
  padding: 0.95rem !important;
}

.table-responsive {
  border: 1px solid var(--vtiu-border);
  border-radius: var(--vtiu-radius);
  box-shadow: 0 12px 30px rgba(16, 32, 51, 0.07);
}

.course-details, .details-section, .school-and-course + .container, .section.video .left-content, .section.video .right-content, .section.video .container .container {
  background: var(--vtiu-white) !important;
}

.course-details, .section.video .left-content, .section.video .right-content {
  border: 1px solid var(--vtiu-border);
  border-radius: var(--vtiu-radius);
  box-shadow: 0 12px 30px rgba(16, 32, 51, 0.08);
  margin: 1.25rem auto;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.course-details h1, .course-details h2, .course-details h3, .section.video h1, .section.video h2, .section.video h3 {
  color: var(--vtiu-ink) !important;
}

.course-details p, .section.video p, .course-details li, .section.video li {
  color: var(--vtiu-ink-soft) !important;
}

form {
  border-radius: var(--vtiu-radius);
}

.form-control, input, textarea, select {
  border-radius: 6px !important;
  border-color: var(--vtiu-border) !important;
  min-height: 46px;
}

textarea.form-control, textarea {
  min-height: 130px;
}

.form-control:focus, input:focus, textarea:focus, select:focus {
  border-color: var(--vtiu-blue) !important;
  box-shadow: 0 0 0 0.2rem rgba(23, 105, 170, 0.12) !important;
}

.accordion-item {
  border: 1px solid var(--vtiu-border) !important;
  border-radius: var(--vtiu-radius) !important;
  overflow: hidden;
  margin-bottom: 0.8rem;
}

.accordion-button {
  font-weight: 800;
}

.accordion-button:not(.collapsed) {
  color: var(--vtiu-navy);
  background: #eaf5fb;
  box-shadow: none;
}

.vtiu-language-widget, #language-widget {
  position: fixed;
  right: 16px;
  bottom: 92px;
  z-index: 1050;
}

.vtiu-language-toggle {
  border: 1px solid var(--vtiu-border);
  border-radius: 999px;
  background: var(--vtiu-white);
  color: var(--vtiu-ink);
  box-shadow: var(--vtiu-shadow);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 0.68rem 1rem;
}

.vtiu-language-menu, .lang-buttons {
  display: none;
  border: 1px solid var(--vtiu-border);
  border-radius: var(--vtiu-radius) !important;
  background: var(--vtiu-white);
  box-shadow: var(--vtiu-shadow) !important;
  margin-top: 0.5rem;
  padding: 0.45rem;
  min-width: 190px;
}

#language-widget.is-open .vtiu-language-menu, #language-widget:hover .vtiu-language-menu, #language-widget:focus-within .vtiu-language-menu {
  display: grid;
  gap: 0.25rem;
}

.lang-btn {
  width: 100%;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--vtiu-ink);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.58rem 0.68rem;
  text-align: left;
}

.lang-btn:hover, .lang-btn:focus, .lang-btn.active {
  background: var(--vtiu-mist);
  color: var(--vtiu-blue);
}

.vtiu-translate-status {
  min-height: 1rem;
  color: var(--vtiu-ink-soft);
  font-size: 0.75rem;
  padding: 0.25rem 0.68rem 0;
}

.vtiu-rtl {
  direction: rtl;
  text-align: right;
}

.vtiu-rtl .navbar-nav, .vtiu-rtl .d-flex {
  direction: rtl;
}

.vtiu-rtl .lang-btn {
  text-align: right;
}

.vtiu-footer {
  background: #0d2236;
  color: rgba(255, 255, 255, 0.82);
}

.vtiu-footer h2, .vtiu-footer h3, .vtiu-footer h4, .vtiu-footer h5 {
  color: var(--vtiu-white);
}

.vtiu-footer a {
  color: rgba(255, 255, 255, 0.84);
  text-decoration: none;
}

.vtiu-footer a:hover, .vtiu-footer a:focus {
  color: var(--vtiu-gold);
}

.vtiu-footer-logo {
  width: 130px;
  max-height: 90px;
  object-fit: contain;
  background: #fff;
  border-radius: 6px;
  padding: 8px;
}

.float {
  right: 22px !important;
  bottom: 22px !important;
  z-index: 1050 !important;
}

.vtiu-back-to-top {
  position: fixed;
  right: 22px;
  bottom: 84px;
  z-index: 1049;
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--vtiu-blue);
  color: var(--vtiu-white);
  box-shadow: var(--vtiu-shadow);
}

.vtiu-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.vtiu-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.vtiu-stat {
  padding: 1.4rem;
  border-left: 4px solid var(--vtiu-gold);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--vtiu-radius);
}

.vtiu-stat strong {
  display: block;
  color: var(--vtiu-white);
  font-size: 2rem;
  line-height: 1;
}

.modal-content {
  border: 0;
  border-radius: var(--vtiu-radius);
}

#popupModal .modal-content {
  overflow: hidden;
}

#popupModal .modal-img {
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
}

.coming-soon:empty, section:empty {
  display: none;
}

@media (max-width: 991.98px) {
  .vtiu-grid-3, .vtiu-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 991.98px) {
  .vtiu-navbar .navbar-collapse {
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    padding: 0.9rem 0;
  }
}

@media (max-width: 991.98px) {
  .vtiu-navbar .dropdown-menu {
    box-shadow: none;
  }
}

@media (max-width: 767.98px) {
  .vtiu-topbar {
    display: none;
  }
}

@media (max-width: 767.98px) {
  .vtiu-hero, .vtiu-page-hero, .main-banner {
    min-height: 520px;
    padding-top: 4.5rem;
  }
}

@media (max-width: 767.98px) {
  .vtiu-grid-3, .vtiu-grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767.98px) {
  .table-responsive {
    border-radius: 0;
  }
}

@media (max-width: 767.98px) {
  #language-widget {
    right: 10px;
    bottom: 86px;
    transform: scale(0.88);
    transform-origin: bottom right;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vtiu-reveal {
    opacity: 1;
    transform: none;
  }
}

.vtiu-nav-close {
  position: absolute;
  top: 10px;
  right: 10px;
  opacity: 0.7;
}

.vtiu-nav-close:hover {
  opacity: 1;
}