:root {
  --iu-it-blue-950: #031b4e;
  --iu-it-blue-900: #06337a;
  --iu-it-blue-700: #0b5ed7;
  --iu-it-blue-50: #f5f9ff;
  --iu-it-sky: #3399d0;
  --iu-it-indigo: #2f398e;
  --iu-it-font-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --iu-it-content-width: min(88.75%, 2200px);
}

body {
  margin: 0;
  font-family: var(--iu-it-font-sans);
}

.site-topbar *,
.site-header * {
  box-sizing: border-box;
}

.site-topbar a,
.site-header a {
  color: inherit;
  text-decoration: none;
}

.site-container {
  width: var(--iu-it-content-width);
  margin-inline: auto;
}

@media (max-width: 560px) {
  :root {
    --iu-it-content-width: calc(100% - 28px);
  }
}

/* =========================================================
   Empty / Missing Content Page
========================================================= */

.iu-empty-section {
  display: flex;
  align-items: center;
  min-height: 520px;
  padding: 72px 0 86px;
  background:
    radial-gradient(
      circle at 12% 12%,
      rgba(20, 121, 255, 0.08),
      transparent 30%
    ),
    linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.iu-empty-section * {
  box-sizing: border-box;
}

.iu-empty-section > .site-container {
  width: var(--iu-it-content-width);
}

.iu-empty-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 780px;
  min-height: 448px;
  padding: 56px 48px;
  margin: 0 auto;
  text-align: center;
  background: #ffffff;
  border: 1px solid #dbe6f4;
  border-radius: 22px;
  box-shadow: 0 22px 58px rgba(14, 45, 103, 0.08);
}

.iu-empty-icon {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  margin: 0 0 24px;
  color: #063c9c;
  background: #eef5ff;
  border: 1px solid #dbeafe;
  border-radius: 22px;
}

.iu-empty-icon svg {
  display: block;
  width: 34px;
  height: 34px;
  fill: currentColor;
}

.iu-empty-title {
  margin: 0;
  color: #063c9c;
  font-size: clamp(1.45rem, 2.5vw, 1.85rem);
  font-weight: 950;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.iu-empty-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 32px;
}

.iu-empty-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.iu-empty-btn:hover {
  transform: translateY(-2px);
}

.iu-empty-btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, #063c9c, #0b5ed7);
  border: 1px solid #0b5ed7;
  box-shadow: 0 8px 18px rgba(6, 60, 156, 0.16);
}

.iu-empty-btn-primary:hover,
.iu-empty-btn-primary:focus-visible {
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(6, 60, 156, 0.22);
  outline: 2px solid rgba(11, 94, 215, 0.35);
  outline-offset: 3px;
}

@media (max-width: 760px) {
  .iu-empty-section {
    min-height: 420px;
    padding: 48px 0 62px;
  }

  .iu-empty-card {
    min-height: 340px;
    padding: 38px 24px;
    border-radius: 18px;
  }

  .iu-empty-icon {
    width: 68px;
    height: 68px;
    margin-bottom: 22px;
    border-radius: 19px;
  }

  .iu-empty-title {
    font-size: 1.45rem;
  }

  .iu-empty-actions {
    margin-top: 28px;
  }
}

.screen-reader-text {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  white-space: nowrap;
  border: 0;
  clip: rect(0, 0, 0, 0);
}

.screen-reader-text:focus {
  z-index: 10000;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  margin: 0;
  color: var(--iu-it-blue-950);
  background: #fff;
  border-radius: 6px;
  clip: auto;
}

.site-topbar {
  position: relative;
  z-index: 1001;
  color: rgba(255, 255, 255, 0.94);
  background: var(--iu-it-sky);
  font-size: 0.875rem;
}

.site-topbar .site-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  gap: 24px;
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-left {
  min-width: 0;
}

.topbar-right {
  flex: 0 0 auto;
}

.topbar-link {
  opacity: 0.96;
  transition: color 0.18s ease, opacity 0.18s ease;
}

.topbar-link:hover,
.topbar-link:focus-visible {
  color: #fff;
  opacity: 1;
}

.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
}

.language-switch button {
  min-width: 37px;
  min-height: 32px;
  padding: 4px 10px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: transparent;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
}

.language-switch button.is-active {
  color: var(--iu-it-blue-950);
  background: #fff;
}

.language-switch button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: -3px;
}

.topbar-link {
  white-space: nowrap;
}

.site-header {
  position: sticky;
  z-index: 999;
  top: 0;
  color: #fff;
  background: var(--iu-it-indigo);
}

.admin-bar .site-header {
  top: 32px;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 24px;
}

.site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  width: 270px;
  margin-left: 0;
}

.site-brand img {
  display: block;
  width: 251px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  object-position: left center;
}

.primary-nav {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: flex-end;
}

.primary-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.primary-menu-item {
  position: relative;
}

.primary-menu-trigger {
  display: flex;
  align-items: center;
  min-height: 50px;
  border-radius: 999px;
  transition: background 0.2s ease;
}

.primary-menu-link {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 10px;
  color: rgba(255, 255, 255, 0.96);
  font-size: 1.0625rem;
  font-weight: 800;
  white-space: nowrap;
  line-height: 1.2;
  text-align: center;
  transition: color 0.2s ease;
}

.primary-menu-link:hover,
.primary-menu-link:focus-visible {
  color: #fff;
  outline: 0;
}

.primary-menu-item:hover > .primary-menu-trigger,
.primary-menu-item:focus-within > .primary-menu-trigger {
  background: rgba(255, 255, 255, 0.14);
}

.primary-submenu {
  position: absolute;
  z-index: 30;
  top: calc(100% + 16px);
  left: 0;
  width: 428px;
  max-width: calc(100vw - 32px);
  padding: 0;
  margin: 0;
  color: var(--iu-it-blue-950);
  background: #fff;
  border: 0;
  border-radius: 0 0 10px 10px;
  box-shadow: 0 12px 24px rgba(4, 22, 62, 0.14);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease, transform 0.2s ease;
}

.primary-submenu::before {
  position: absolute;
  right: 0;
  bottom: 100%;
  left: 0;
  height: 18px;
  content: '';
}

.primary-menu-item:hover > .primary-submenu,
.primary-menu-item:focus-within > .primary-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.primary-menu-item:nth-last-child(-n + 2) > .primary-submenu {
  right: 0;
  left: auto;
  transform: translateY(-6px);
}

.primary-menu-item:nth-last-child(-n + 2):hover > .primary-submenu,
.primary-menu-item:nth-last-child(-n + 2):focus-within > .primary-submenu {
  transform: translateY(0);
}

.primary-submenu li + li {
  border-top: 1px solid #e8ebf0;
}

.primary-submenu a {
  display: block;
  padding: 13px 22px;
  color: #2d2f33;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
  white-space: normal;
  transition: color 0.18s ease, background 0.18s ease;
}

.primary-submenu a:hover,
.primary-submenu a:focus-visible {
  color: #1f2530;
  background: #f4f6f8;
  outline: 0;
}

.header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
}

.header-search {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
}

.header-search-form {
  position: absolute;
  top: 50%;
  right: calc(100% + 8px);
  overflow: hidden;
  width: min(300px, calc(100vw - 120px));
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(3, 14, 40, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translate(12px, -50%) scaleX(0.86);
  transform-origin: right center;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease, transform 0.22s ease;
}

.header-search.is-open .header-search-form {
  opacity: 1;
  visibility: visible;
  transform: translate(0, -50%) scaleX(1);
  pointer-events: auto;
}

.header-search-form input {
  display: block;
  width: 100%;
  height: 42px;
  padding: 0 17px;
  color: var(--iu-it-blue-950);
  background: transparent;
  border: 0;
  outline: 0;
  font: inherit;
  font-size: 0.9rem;
}

.header-action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.header-action-button:hover,
.header-action-button:focus-visible {
  background: rgba(255, 255, 255, 0.2);
  outline: 2px solid rgba(255, 255, 255, 0.7);
  outline-offset: 2px;
  transform: translateY(-1px);
}

.header-search.is-open .search-button {
  color: var(--iu-it-blue-950);
  background: #fff;
}

.menu-toggle {
  display: none;
}

.menu-toggle span {
  display: inline-flex;
}

.menu-toggle span[hidden] {
  display: none;
}

.mobile-panel[hidden] {
  display: none;
}

.mobile-panel {
  padding: 0 0 24px;
}

.mobile-primary-nav ul,
.mobile-utility-nav > ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.mobile-primary-nav > ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mobile-menu-item {
  min-width: 0;
}

.mobile-menu-row {
  display: block;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 12px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.mobile-menu-item.is-submenu-open > .mobile-menu-row {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.24);
}

.mobile-primary-nav .mobile-menu-row > a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 14px;
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
}

.mobile-primary-nav .mobile-submenu {
  display: none;
  gap: 2px;
  padding: 8px 0 2px 14px;
}

.mobile-menu-item.is-submenu-open > .mobile-submenu {
  display: grid;
}

.mobile-primary-nav .mobile-submenu a {
  display: block;
  min-height: 0;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.92);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.45;
}

.mobile-primary-nav .mobile-submenu a:hover,
.mobile-primary-nav .mobile-submenu a:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  outline: 0;
}

.mobile-utility-nav {
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.mobile-utility-nav > ul {
  margin-top: 12px;
  display: grid;
  gap: 2px;
}

.mobile-utility-nav > ul > li > a {
  display: block;
  padding: 9px 2px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9375rem;
  font-weight: 700;
}

.mobile-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-top: 18px;
  margin-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9375rem;
}

/* Hero theo tỉ lệ bản Layout Lab: lề trắng 72px, dải xanh 97px, ảnh 942px tại canvas 1280px. */
.iu-it-hero {
  --iu-it-hero-canvas-width: min(88.75%, 1640px);
  --iu-it-hero-frame-width: calc(var(--iu-it-hero-canvas-width) * 942 / 1136);
  --iu-it-hero-band-width: calc((var(--iu-it-hero-canvas-width) - var(--iu-it-hero-frame-width)) / 2);
  --iu-it-hero-height: calc(min(88.75vw, 1640px) * 322 / 1136);

  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  height: var(--iu-it-hero-height);
  min-height: var(--iu-it-hero-height);
  padding: 0;
  background: #fff;
  box-sizing: border-box;
  cursor: grab;
  touch-action: pan-y;
}

.iu-it-hero::before,
.iu-it-hero::after {
  position: absolute;
  z-index: 1;
  top: 0;
  bottom: 0;
  width: var(--iu-it-hero-band-width);
  pointer-events: none;
  content: "";
  background-repeat: no-repeat;
  background-position: left top, left top, left top, left top;
  background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
}

.iu-it-hero::before {
  left: calc(50% - var(--iu-it-hero-canvas-width) / 2);
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.68) 1.8px, transparent 2px),
    linear-gradient(105deg, transparent 0 28%, rgba(220, 242, 255, 0.45) 28.2%, rgba(220, 242, 255, 0.45) 28.7%, transparent 29% 100%),
    repeating-linear-gradient(0deg, transparent 0 54px, rgba(120, 178, 235, 0.48) 55px 57px, transparent 58px 112px),
    linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(235, 248, 255, 0.85) 10%, rgba(162, 216, 250, 0.82) 24%, rgba(64, 159, 224, 0.9) 48%, rgba(12, 92, 188, 0.96) 74%, #032b6c 100%);
}

.iu-it-hero::after {
  right: calc(50% - var(--iu-it-hero-canvas-width) / 2);
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.68) 1.8px, transparent 2px),
    linear-gradient(-105deg, transparent 0 28%, rgba(220, 242, 255, 0.45) 28.2%, rgba(220, 242, 255, 0.45) 28.7%, transparent 29% 100%),
    repeating-linear-gradient(0deg, transparent 0 54px, rgba(120, 178, 235, 0.48) 55px 57px, transparent 58px 112px),
    linear-gradient(270deg, rgba(255, 255, 255, 0) 0%, rgba(235, 248, 255, 0.85) 10%, rgba(162, 216, 250, 0.82) 24%, rgba(64, 159, 224, 0.9) 48%, rgba(12, 92, 188, 0.96) 74%, #032b6c 100%);
}

.iu-it-hero.is-dragging {
  cursor: grabbing;
}

.iu-it-hero-track,
.iu-it-hero-slide {
  width: 100%;
  height: var(--iu-it-hero-height);
  min-height: var(--iu-it-hero-height);
}

.iu-it-hero-track {
  position: relative;
  z-index: 2;
  width: var(--iu-it-hero-frame-width);
  margin-inline: auto;
  overflow: hidden;
  border-radius: 0;
  box-shadow: none;
}

.iu-it-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.01);
  transition:
    opacity 0.65s ease,
    visibility 0.65s ease,
    transform 0.9s ease;
}

.iu-it-hero-slide.is-active {
  z-index: 2;
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.iu-it-hero-image {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: block;
  width: 100%;
  height: var(--iu-it-hero-height);
  max-width: none;
  object-fit: cover;
  object-position: center;
  transform: translate(-50%, -50%);
  user-select: none;
  pointer-events: none;
}

.iu-it-hero-link {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: block;
}

.iu-it-hero-dots {
  position: absolute;
  z-index: 5;
  bottom: 18px;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(180, 198, 220, 0.58);
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(3, 27, 78, 0.16);
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.iu-it-hero-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  overflow: hidden;
  background: rgba(100, 116, 139, 0.42);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition:
    width 0.25s ease,
    background 0.25s ease,
    transform 0.25s ease;
}

.iu-it-hero-dot:hover,
.iu-it-hero-dot:focus-visible {
  background: var(--iu-it-blue-700);
  outline: 2px solid #fff;
  outline-offset: 2px;
  transform: scale(1.12);
}

.iu-it-hero-dot.is-active {
  width: 34px;
  background: var(--iu-it-blue-900);
}

.iu-it-introduction {
  scroll-margin-top: 100px;
  padding: clamp(64px, 5.4vw, 86px) 0 clamp(45px, 3.78vw, 60px);
  color: #53627a;
  background:
    radial-gradient(circle at 96% 8%, rgba(53, 185, 215, 0.1), transparent 30%),
    linear-gradient(110deg, #fff 0 72%, #f5faff 72% 100%);
}

.iu-it-introduction-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 1.08fr);
  align-items: start;
  gap: clamp(46px, 5vw, 72px);
}

.iu-it-introduction-heading {
  padding-left: 18px;
  margin-bottom: 22px;
  border-left: 3px solid var(--iu-it-sky);
}

.iu-it-introduction-copy .iu-it-introduction-eyebrow {
  margin: 0 0 7px;
  color: #1c8fbd;
  font-size: 0.7rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.iu-it-introduction-copy h2 {
  margin: 0;
  color: var(--iu-it-blue-900);
  font-size: clamp(1.7rem, 2.2vw, 2.25rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.iu-it-introduction-copy p {
  margin: 0 0 17px;
  font-size: clamp(1rem, 1vw, 1.075rem);
  line-height: 1.78;
}

.iu-it-introduction-copy p:last-child {
  margin-bottom: 0;
}

.iu-it-introduction-video {
  position: relative;
  overflow: hidden;
  width: 100%;
  margin-top: 0;
  aspect-ratio: 16 / 9;
  background: var(--iu-it-blue-950);
  border: 1px solid rgba(6, 51, 122, 0.14);
  border-radius: 22px;
  box-shadow: 0 22px 48px rgba(3, 27, 78, 0.16);
}

.iu-it-introduction-video iframe {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.iu-it-programs {
  position: relative;
  overflow: hidden;
  scroll-margin-top: 100px;
  padding: clamp(50px, 3.938vw, 87px) 0 0;
  background:
    radial-gradient(circle at 0 0, rgba(51, 153, 208, 0.13), transparent 32%),
    linear-gradient(180deg, #f8fbff, #eaf3fc);
  border-top: 1px solid #e6ebf2;
}

.iu-it-programs::before {
  display: none;
}

.iu-it-programs > .site-container {
  position: relative;
  z-index: 1;
  width: var(--iu-it-content-width);
}

.iu-it-programs *,
.iu-it-programs *::before,
.iu-it-programs *::after {
  box-sizing: border-box;
}

.iu-it-programs-heading {
  max-width: min(65.625vw, 1640px);
  margin: 0 auto;
  text-align: center;
}

.iu-it-programs-heading h2 {
  margin: 0;
  color: #0b2d63;
  font-size: clamp(1.75rem, 2.25vw, 2.4rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.iu-it-program-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(4px, 0.313vw, 7px);
  width: clamp(340px, 27vw, 560px);
  height: clamp(44px, 3.3vw, 64px);
  max-width: 100%;
  padding: clamp(4px, 0.313vw, 7px);
  margin: clamp(14px, 1vw, 20px) auto 0;
  background: #dfe9f5;
  border: 0;
  border-radius: 12px;
}

.iu-it-program-tab {
  min-height: 0;
  padding: 8px 20px;
  color: var(--iu-it-blue-900);
  background: transparent;
  border: 0;
  border-radius: 9px;
  font: inherit;
  font-size: clamp(13px, 0.95vw, 18px);
  font-weight: 700;
  cursor: pointer;
  transition:
    color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.iu-it-program-tab:hover,
.iu-it-program-tab:focus-visible {
  color: var(--iu-it-blue-950);
  background: rgba(255, 255, 255, 0.72);
  outline: none;
}

.iu-it-program-tab:focus-visible {
  box-shadow: 0 0 0 3px rgba(51, 153, 208, 0.34);
}

.iu-it-program-tab.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--iu-it-blue-700), var(--iu-it-indigo));
  box-shadow: 0 8px 18px rgba(47, 57, 142, 0.18);
}

.iu-it-program-panel {
  margin-top: clamp(28px, 2.2vw, 44px);
}

.iu-it-program-panel[hidden] {
  display: none;
}

.iu-it-program-carousel {
  position: relative;
  padding-inline: calc(clamp(42px, 3.281vw, 72px) + clamp(12px, 0.938vw, 21px));
}

.iu-it-program-viewport {
  overflow-x: auto;
  padding: 0 0 clamp(16px, 1.25vw, 28px);
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  overscroll-behavior-inline: contain;
}

.iu-it-program-viewport::-webkit-scrollbar {
  display: none;
}

.iu-it-program-grid {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: clamp(16px, 1.25vw, 28px);
}

@media (min-width: 901px) {
  .iu-it-program-grid--centered {
    justify-content: center;
  }
}

.iu-it-program-card {
  position: relative;
  display: flex;
  overflow: hidden;
  flex: 0 0 calc((100% - 3 * clamp(16px, 1.25vw, 28px)) / 4);
  min-width: 0;
  aspect-ratio: 1;
  flex-direction: column;
  scroll-snap-align: start;
  color: #132b55;
  background: #fff;
  border: 1px solid #dde5ef;
  border-radius: 16px;
  box-shadow: 0 14px 34px rgba(7, 27, 61, 0.11);
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}

.iu-it-program-card::before {
  display: none;
}

.iu-it-program-card::after {
  content: "";
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--iu-it-indigo), #35b9d7);
}

.iu-it-program-card:hover {
  border-color: rgba(11, 94, 215, 0.32);
  box-shadow: 0 24px 46px rgba(3, 27, 78, 0.14);
  transform: translateY(-5px);
}

.iu-it-program-card-media {
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
  width: 100%;
  min-height: 0;
  aspect-ratio: 272 / 164;
  background: #0e213e;
}

.iu-it-program-card-media img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.iu-it-program-card h3 {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 108px;
  flex: 1;
  padding: clamp(14px, 1.094vw, 24px) clamp(17px, 1.328vw, 29px);
  margin: 0;
  font-size: clamp(15px, 1.172vw, 26px);
  font-weight: 750;
  line-height: 1.35;
  letter-spacing: -0.018em;
  text-align: center;
}

.iu-it-program-arrow {
  position: absolute;
  z-index: 2;
  top: calc(50% - clamp(8px, 0.625vw, 14px));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(42px, 3.281vw, 72px);
  height: clamp(42px, 3.281vw, 72px);
  padding: 0;
  color: var(--iu-it-indigo);
  background: #fff;
  border: 1px solid #d8e2ef;
  border-radius: 50%;
  box-shadow: 0 10px 24px rgba(3, 27, 78, 0.22);
  cursor: pointer;
  transform: translateY(-50%);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.iu-it-program-arrow--previous {
  left: 0;
}

.iu-it-program-arrow--next {
  right: 0;
}

.iu-it-program-arrow svg {
  width: 24px;
  height: 24px;
}

.iu-it-program-arrow:hover,
.iu-it-program-arrow:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(51, 153, 208, 0.25), 0 12px 28px rgba(3, 27, 78, 0.28);
  transform: translateY(-50%) scale(1.06);
}

.iu-it-program-arrow:disabled,
.iu-it-program-carousel.is-static .iu-it-program-arrow {
  opacity: 0;
  pointer-events: none;
}

.iu-it-statistics {
  position: relative;
  overflow: hidden;
  padding: 12px 0 clamp(40px, 3.9vw, 60px);
  color: #fff;
  background: linear-gradient(180deg, #eaf3fc, #f7faff);
}

.iu-it-statistics::before {
  display: none;
}

.iu-it-statistics-grid {
  position: relative;
  z-index: 1;
  display: grid;
  width: var(--iu-it-content-width);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  background: linear-gradient(115deg, #1b397f, #2f398e 55%, #137bab);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  box-shadow: 0 18px 38px rgba(14, 49, 112, 0.2);
}

.iu-it-statistic-card {
  display: flex;
  box-sizing: border-box;
  min-width: 0;
  min-height: clamp(155px, 17vw, 215px);
  padding: clamp(12px, 0.938vw, 21px);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.iu-it-statistic-card + .iu-it-statistic-card {
  border-left: 1px solid rgba(255, 255, 255, 0.24);
}

.iu-it-statistic-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(36px, 2.813vw, 62px);
  height: clamp(36px, 2.813vw, 62px);
  margin-bottom: clamp(6px, 0.469vw, 10px);
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: clamp(10px, 0.781vw, 17px);
  font-size: clamp(16px, 1.25vw, 28px);
  transition: transform 0.3s ease, background 0.3s ease;
}

.iu-it-statistic-card strong {
  display: block;
  min-width: 4ch;
  color: #fff;
  font-size: clamp(31px, 2.422vw, 53px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: normal;
  font-variant-numeric: tabular-nums;
  transition: transform 0.2s ease, color 0.2s ease;
}

.iu-it-statistic-card strong.is-counting {
  color: #fff;
  transform: scale(1.045);
}

.iu-it-statistic-card strong.is-finished {
  animation: iu-it-statistic-finish 0.5s ease;
}

.iu-it-statistics.is-counting .iu-it-statistic-icon {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px) scale(1.04);
}

.iu-it-statistic-card h3 {
  margin: clamp(4px, 0.313vw, 7px) 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(11px, 0.859vw, 19px);
  font-weight: 700;
  line-height: 1.3;
}

@keyframes iu-it-statistic-finish {
  0% { transform: scale(1.045); }
  45% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.iu-it-news,
.iu-it-news * {
  box-sizing: border-box;
}

.iu-it-news {
  padding: clamp(68px, 6vw, 96px) 0 clamp(57px, 5.25vw, 84px);
  color: #171d2c;
  background: #fffdfb;
}

.iu-it-news a {
  color: inherit;
  text-decoration: none;
}

.iu-it-news-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(34px, 4vw, 52px);
}

.iu-it-news-column {
  min-width: 0;
  padding: clamp(26px, 2.6vw, 36px);
  background: #f9fbff;
  border: 1px solid #e5eaf1;
  border-top: 3px solid var(--iu-it-indigo);
  border-radius: 20px;
}

.iu-it-news-column:last-child {
  background: #fff;
  border-top-color: #35b9d7;
  box-shadow: 0 16px 45px rgba(7, 27, 61, 0.07);
}

.iu-it-news-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(28px, 2.6vw, 38px);
}

.iu-it-news-heading h2 {
  margin: 0;
  color: var(--iu-it-blue-950);
  font-size: clamp(1.6rem, 2vw, 2.15rem);
  font-weight: 900;
  letter-spacing: -0.038em;
  line-height: 1.12;
}

.iu-it-news-heading > a {
  flex: 0 0 auto;
  color: #1b6eaa;
  font-size: 0.95rem;
  font-weight: 800;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.iu-it-news-heading > a:hover,
.iu-it-news-heading > a:focus-visible,
.iu-it-news h3 a:hover,
.iu-it-news h3 a:focus-visible {
  color: var(--iu-it-blue-700);
}

.iu-it-news-heading > a:focus-visible,
.iu-it-news h3 a:focus-visible,
.iu-it-student-news-image:focus-visible {
  outline: 3px solid rgba(11, 94, 215, 0.35);
  outline-offset: 4px;
}

.iu-it-news-timeline {
  position: relative;
  display: grid;
  gap: clamp(26px, 2.3vw, 36px);
  padding: 3px 0 0 42px;
}

.iu-it-news-timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 12px;
  left: 12px;
  width: 1px;
  background: #1b59bf;
}

.iu-it-news-timeline-item {
  position: relative;
}

.iu-it-news-timeline-item::before {
  content: "";
  position: absolute;
  top: 3px;
  left: -42px;
  width: 10px;
  height: 10px;
  border: 10px solid #fff;
  border-radius: 50%;
  background: #0d459c;
  box-shadow: 0 7px 18px rgba(4, 28, 78, 0.12);
  box-sizing: content-box;
  transform: translate(-9px, -9px);
}

.iu-it-news-date {
  margin: 0 0 7px;
  color: #df7257;
  font-size: clamp(0.9rem, 1vw, 1rem);
  font-weight: 900;
  line-height: 1.3;
}

.iu-it-news h3 {
  margin: 0;
  font-size: clamp(1rem, 1.18vw, 1.2rem);
  font-weight: 800;
  line-height: 1.45;
}

.iu-it-news-timeline-item h3 {
  text-transform: none;
}

.iu-it-student-news-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.94fr) minmax(0, 1.06fr);
  gap: clamp(20px, 2vw, 30px);
}

.iu-it-student-news-image {
  display: block;
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--iu-it-blue-50);
}

.iu-it-student-news-image img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10.35;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.iu-it-student-news-image:hover img,
.iu-it-student-news-image:focus-visible img {
  transform: scale(1.025);
}

.iu-it-student-news-feature h3,
.iu-it-student-news-item h3 {
  font-size: clamp(1rem, 1.08vw, 1.12rem);
}

.iu-it-student-news-list {
  display: grid;
  align-content: start;
}

.iu-it-student-news-item {
  padding: 0 0 clamp(20px, 2vw, 28px);
  margin-bottom: clamp(20px, 2vw, 28px);
  border-bottom: 1px solid #d8dde6;
}

.iu-it-student-news-item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.iu-it-research,
.iu-it-research * {
  box-sizing: border-box;
}

.iu-it-research {
  overflow: hidden;
  padding: clamp(51px, 4.5vw, 69px) 0 clamp(78px, 7vw, 108px);
  color: #fff;
  background:
    radial-gradient(circle at 86% 18%, rgba(53, 185, 215, 0.18), transparent 32%),
    linear-gradient(120deg, #0b2455, #153a7c);
  border-top: 0;
}

.iu-it-research-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.485fr) minmax(0, 1fr);
  align-items: stretch;
  gap: clamp(64px, 5vw, 110px);
  width: var(--iu-it-content-width);
}

.iu-it-research-copy {
  display: flex;
  flex-direction: column;
  padding-top: clamp(16px, 2.5vw, 34px);
}

.iu-it-research-eyebrow {
  margin: 0 0 16px;
  color: #7dd9ef;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.iu-it-research-copy h2 {
  margin: 0 0 22px;
  color: #fff;
  font-size: clamp(1.8rem, 2.35vw, 2.45rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.iu-it-research-intro {
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(0.98rem, 1.08vw, 1.08rem);
  line-height: 1.75;
}

.iu-it-research-more {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  align-self: flex-start;
  justify-content: center;
  padding: 0 26px;
  margin-top: auto;
  color: var(--iu-it-indigo);
  background: #fff;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
}

.iu-it-research-more:focus-visible,
.iu-it-research-arrow:focus-visible,
.iu-it-research-detail:focus-visible {
  outline: 3px solid rgba(11, 94, 215, 0.35);
  outline-offset: 4px;
}

.iu-it-research-more:focus-visible {
  outline-color: #7dd9ef;
}

.iu-it-research-carousel,
.iu-it-research-slides {
  position: relative;
  min-width: 0;
  height: 100%;
}

.iu-it-research-card {
  position: relative;
  height: 100%;
  min-height: 0;
  padding: clamp(34px, 3.1vw, 44px) clamp(36px, 3.8vw, 54px) clamp(26px, 2.7vw, 36px);
  color: #273246;
  background: #fff;
  border: 1px solid #dfe7f1;
  border-radius: 20px;
  box-shadow: 0 18px 42px rgba(3, 27, 78, 0.08);
}

.iu-it-research-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(var(--iu-it-sky), var(--iu-it-indigo));
  border-radius: 20px 0 0 20px;
}

.iu-it-research-card[hidden] {
  display: none;
}

.iu-it-research-card-kicker {
  margin: 0 0 9px;
  color: #3674e8;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.iu-it-research-card h3 {
  margin: 0 0 19px;
  color: var(--iu-it-indigo);
  font-size: clamp(1.65rem, 2vw, 2rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.28;
}

.iu-it-research-summary {
  margin: 0;
  color: #3c4657;
  font-size: clamp(0.94rem, 1.02vw, 1rem);
  line-height: 1.68;
}

.iu-it-research-leader {
  padding-top: 22px;
  margin-top: 24px;
  border-top: 1px solid #e1e7ef;
}

.iu-it-research-leader span {
  display: block;
  margin-bottom: 7px;
  color: #64738a;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.iu-it-research-leader strong {
  color: #15213a;
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
}

.iu-it-research-detail {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: inherit;
}

.iu-it-research-arrow {
  position: absolute;
  z-index: 3;
  top: 50%;
  display: grid;
  width: 28px;
  height: 48px;
  place-items: center;
  padding: 0;
  color: #243149;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  transform: translateY(-50%);
}

.iu-it-research-arrow svg {
  width: 23px;
  height: 23px;
}

.iu-it-research-arrow--previous {
  left: 14px;
}

.iu-it-research-arrow--next {
  right: 14px;
}

@media (max-width: 1000px) {
  .iu-it-research-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .iu-it-research-copy {
    display: block;
    max-width: 760px;
    padding-top: 0;
  }

  .iu-it-research-more {
    margin-top: 0;
  }

  .iu-it-research-carousel,
  .iu-it-research-slides,
  .iu-it-research-card {
    height: auto;
  }
}

@media (max-width: 640px) {
  .iu-it-research {
    padding: 42px 0 70px;
  }

  .iu-it-research-grid {
    gap: 34px;
  }

  .iu-it-research-card {
    padding: 32px 44px 28px;
  }

  .iu-it-research-arrow {
    top: 50%;
    bottom: auto;
    width: 28px;
    height: 42px;
    transform: translateY(-50%);
  }

  .iu-it-research-arrow--previous {
    left: 10px;
  }

  .iu-it-research-arrow--next {
    right: 10px;
  }

  .iu-it-research-leader {
    padding-bottom: 0;
  }
}

@media (max-width: 1500px) {
  .site-brand {
    width: 260px;
  }

  .primary-menu-link {
    padding-inline: 8px;
    font-size: 1rem;
  }
}

@media (max-width: 1400px) {
  .primary-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 1100px) {
  .iu-it-news-grid {
    grid-template-columns: 1fr;
    gap: 64px;
  }
}

@media (min-width: 901px) and (max-width: 1150px) {
  .site-topbar .site-container {
    flex-wrap: wrap;
    padding-block: 8px;
    gap: 8px;
  }

  .topbar-right {
    margin-left: auto;
  }
}

@media (max-width: 900px) {
  .site-topbar {
    display: none;
  }

  .admin-bar .site-header {
    top: 0;
  }

  .header-inner {
    min-height: 76px;
  }

  .site-brand {
    width: min(250px, calc(100vw - 150px));
    margin-left: 0;
  }

  .mobile-panel {
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }

  .iu-it-introduction-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .iu-it-introduction-video {
    max-width: none;
    margin: 0;
  }
}

@media (max-width: 560px) {
  .site-brand {
    width: min(220px, calc(100vw - 132px));
  }

  .header-actions {
    gap: 7px;
  }

  .header-action-button {
    width: 40px;
    height: 40px;
  }

  .header-search-form {
    position: fixed;
    top: 68px;
    right: 14px;
    left: 14px;
    width: auto;
    transform: translateY(-8px);
  }

  .header-search.is-open .header-search-form {
    transform: translateY(0);
  }

  .mobile-primary-nav > ul {
    grid-template-columns: 1fr;
  }

  .iu-it-introduction {
    padding: 46px 0 36px;
  }

  .iu-it-introduction-copy h2 {
    margin-bottom: 0;
  }

  .iu-it-introduction-heading {
    margin-bottom: 18px;
  }

  .iu-it-introduction-copy p {
    font-size: 1rem;
    line-height: 1.7;
  }

  .iu-it-news-heading {
    align-items: flex-start;
  }

  .iu-it-news-heading h2 {
    max-width: 75%;
  }

  .iu-it-news-timeline {
    padding-left: 36px;
  }

  .iu-it-news-timeline-item::before {
    left: -36px;
  }
}

@media (max-width: 720px) {
  .iu-it-student-news-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}

.iu-it-partners,
.iu-it-partners * {
  box-sizing: border-box;
}

.iu-it-partners {
  overflow: hidden;
  padding: 66px 0 50px;
  background:
    radial-gradient(circle at 18% 0%, rgba(51, 153, 208, 0.1), transparent 32%),
    #f9fbff;
  border-top: 0;
}

.iu-it-partners-heading {
  text-align: left;
}

.iu-it-partners-heading h2 {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  color: #061d52;
  font-size: clamp(28px, 2.5vw, 38px);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.iu-it-partners-heading h2::after {
  width: 46px;
  height: 2px;
  flex: 0 0 46px;
  background: #df7257;
  content: "";
}

.iu-it-partners-marquee {
  width: var(--iu-it-content-width);
  margin: 38px auto 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.iu-it-partners-track {
  display: flex;
  width: max-content;
  animation: iu-it-partners-marquee 32s linear infinite;
  will-change: transform;
}

.iu-it-partners:hover .iu-it-partners-track,
.iu-it-partners:focus-within .iu-it-partners-track {
  animation-play-state: paused;
}

.iu-it-partners-group {
  display: flex;
  flex: none;
  gap: 28px;
  padding-right: 28px;
}

.iu-it-partner-logo {
  display: grid;
  width: 196px;
  height: 104px;
  flex: 0 0 196px;
  place-items: center;
  padding: 18px 22px;
  background: #fff;
  border: 1px solid #dde6f1;
  border-radius: 15px;
  box-shadow: 0 12px 28px rgba(3, 27, 78, 0.08);
}

.iu-it-partner-logo img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
}

a.iu-it-partner-logo {
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

a.iu-it-partner-logo:hover {
  border-color: rgba(47, 57, 142, 0.35);
  box-shadow: 0 16px 34px rgba(3, 27, 78, 0.13);
  transform: translateY(-2px);
}

a.iu-it-partner-logo:focus-visible {
  outline: 3px solid #3399d0;
  outline-offset: 4px;
}

@keyframes iu-it-partners-marquee {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(-50%, 0, 0);
  }
}

@media (max-width: 720px) {
  .iu-it-partners {
    padding: 54px 0 42px;
  }

  .iu-it-partners-marquee {
    margin-top: 30px;
  }

  .iu-it-partners-group {
    gap: 18px;
    padding-right: 18px;
  }

  .iu-it-partner-logo {
    width: 170px;
    height: 96px;
    flex-basis: 170px;
    padding: 14px 17px;
  }

  .iu-it-partner-logo img {
    max-height: 66px;
  }

}

@media (prefers-reduced-motion: reduce) {
  .iu-it-partners-marquee {
    overflow-x: auto;
    -webkit-mask-image: none;
    mask-image: none;
    scrollbar-width: thin;
  }

  .iu-it-partners-track {
    animation: none;
    will-change: auto;
  }

  .iu-it-partners-group[aria-hidden="true"] {
    display: none;
  }

  .iu-it-partners-group {
    padding-right: 0;
  }

  .iu-it-partner-logo {
    scroll-snap-align: start;
  }
}

/* Footer — đồng bộ bố cục với website Trường Đại học Quốc tế. */
.site-footer,
.site-footer * {
  box-sizing: border-box;
}

.site-footer {
  color: rgba(255, 255, 255, 0.82);
  background: var(--iu-it-indigo);
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr) 1.25fr;
  gap: 38px;
  padding: 48px 0 30px;
}

.footer-logo {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  margin-bottom: 18px;
}

.footer-col h3 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 0.96rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-col p,
.footer-col li {
  margin: 0 0 10px;
  font-size: 0.92rem;
  line-height: 1.55;
}

.footer-col ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-col a {
  transition: color 0.18s ease;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: #fff;
}

.footer-social-links {
  display: grid;
  gap: 10px;
}

.footer-social-links a {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 44px;
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 800;
  transition:
    color 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease;
}

.footer-social-links a:hover,
.footer-social-links a:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.26);
  transform: translateX(3px);
}

.footer-social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--iu-it-indigo);
  background: #fff;
  border-radius: 999px;
  flex-shrink: 0;
}

.footer-social-icon svg {
  display: block;
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0 26px;
  color: rgba(255, 255, 255, 0.58);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.84rem;
}

@media (max-width: 1100px) {
  .footer-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-identity {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .footer-main {
    display: block;
    padding-top: 40px;
  }

  .footer-col {
    margin-bottom: 26px;
  }

  .footer-logo {
    max-width: 250px;
  }

  .footer-bottom {
    display: block;
  }
}

@media (max-width: 640px) {
  .iu-it-hero {
    --iu-it-hero-canvas-width: 100vw;
    --iu-it-hero-frame-width: 100vw;
    --iu-it-hero-height: calc(100vw * 322 / 942);

    height: var(--iu-it-hero-height);
    min-height: var(--iu-it-hero-height);
    padding: 0;
  }

  .iu-it-hero::before,
  .iu-it-hero::after {
    display: none;
  }

  .iu-it-hero-dots {
    bottom: 12px;
    padding: 7px 10px;
  }

  .iu-it-hero-dot {
    width: 8px;
    height: 8px;
  }

  .iu-it-hero-dot.is-active {
    width: 28px;
  }
}

@media (max-width: 1250px) {
  .iu-it-program-card {
    flex-basis: calc((100% - 32px) / 3);
  }
}

@media (max-width: 900px) {
  .iu-it-programs > .site-container,
  .iu-it-statistics-grid {
    width: var(--iu-it-content-width);
  }

  .iu-it-program-card {
    flex-basis: calc((100% - 16px) / 2);
  }

  .iu-it-statistics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
  }

  .iu-it-statistic-card {
    width: 100%;
    max-width: none;
  }

  .iu-it-statistic-card:nth-child(3) {
    border-left: 0;
  }

  .iu-it-statistic-card:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.24);
  }
}

@media (max-width: 640px) {
  .iu-it-programs {
    padding: 39px 0 0;
  }

  .iu-it-program-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    height: auto;
    margin-top: 20px;
  }

  .iu-it-program-tab {
    min-height: 44px;
    padding-inline: 14px;
    font-size: 14px;
  }

  .iu-it-program-panel {
    margin-top: 30px;
  }

  .iu-it-program-grid {
    gap: 14px;
  }

  .iu-it-program-carousel {
    padding-inline: 52px;
  }

  .iu-it-program-card {
    flex-basis: 100%;
    aspect-ratio: auto;
  }

  .iu-it-program-arrow {
    top: 50%;
    width: 40px;
    height: 40px;
  }

  .iu-it-program-arrow--previous {
    left: 0;
  }

  .iu-it-program-arrow--next {
    right: 0;
  }

  .iu-it-program-card h3 {
    min-height: 108px;
    padding: 14px 18px 16px;
  }

  .iu-it-statistics {
    padding: 12px 0 35px;
  }

  .iu-it-statistics-grid {
    row-gap: 0;
  }

  .iu-it-statistic-card {
    padding-inline: 8px;
  }

  .iu-it-statistic-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 6px;
    border-radius: 10px;
  }

  .iu-it-statistic-card strong {
    font-size: 31px;
  }

  .iu-it-statistic-card h3 {
    max-width: 145px;
    margin-top: 4px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .iu-it-hero-slide,
  .iu-it-hero-dot,
  .iu-it-program-tab,
  .iu-it-program-card,
  .iu-it-statistic-icon,
  .iu-it-statistic-card strong {
    transition: none;
  }

  .iu-it-statistic-card strong {
    animation: none !important;
  }
}

/* Homepage feedback layout — bản đã duyệt trong IU-IT-School-Feedback-Demo.html. */
:root {
  --iu-it-content-width: min(88.75%, 1640px);
  --iu-it-section-space: clamp(54px, 4.5vw, 74px);
  --iu-it-ink: #2f405a;
  --iu-it-text: #3d4b61;
  --iu-it-muted: #60708a;
  --iu-it-line: #dce7f3;
}

body {
  color: var(--iu-it-text);
}

.site-topbar {
  color: #fff;
  background: #1379aa;
}

.topbar-login {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  padding: 5px 14px;
  color: #0a4e87;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 999px;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  opacity: 1;
}

.iu-it-pill-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 19px;
  margin-top: auto;
  color: #fff;
  background: var(--iu-it-indigo);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  transition: background 180ms ease, transform 180ms ease;
}

.iu-it-pill-link:hover,
.iu-it-pill-link:focus-visible {
  color: #fff;
  background: var(--iu-it-blue-700);
  transform: translateY(-1px);
}

/* Giới thiệu. */
.iu-it-introduction {
  padding: var(--iu-it-section-space) 0;
  color: var(--iu-it-text);
  background: linear-gradient(112deg, #fff 0%, #fff 73%, #eff8fd 73%, #f8fcff 100%);
  border: 0;
}

.iu-it-introduction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 2vw, 32px);
  align-items: stretch;
}

.iu-it-introduction-copy {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  flex-direction: column;
}

.iu-it-introduction-copy h2 {
  padding-left: 18px;
  margin: 0 0 24px;
  color: var(--iu-it-ink);
  border-left: 4px solid var(--iu-it-sky);
  font-size: clamp(28px, 2.25vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.iu-it-introduction-copy p {
  width: 100%;
  max-width: none;
  margin: 0 0 18px;
  color: var(--iu-it-text);
  font-size: clamp(17px, 1.1vw, 19px);
  line-height: 1.85;
}

.iu-it-introduction-video {
  width: 100%;
  max-width: 720px;
  justify-self: end;
  overflow: hidden;
  background: #dce8f2;
  border: 1px solid #d9e4f1;
  border-radius: 16px;
  box-shadow: 0 20px 52px rgba(8, 38, 88, 0.16);
  aspect-ratio: 16 / 9;
}

/* Tiêu đề dùng chung cho hai tầng tin. */
.iu-it-section-heading {
  margin: 0 0 clamp(26px, 3vw, 42px);
  text-align: center;
}

.iu-it-section-heading h2 {
  margin: 0;
  color: #082658;
  font-size: clamp(25px, 2vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.iu-it-section-heading::after {
  display: block;
  width: 44px;
  height: 3px;
  margin: 14px auto 0;
  background: var(--iu-it-sky);
  border-radius: 3px;
  content: "";
}

.iu-it-section-heading--light h2 {
  color: #fff;
}

/* Tin tức — hai carousel, phần dưới có ảnh nền và hai dải xanh. */
.iu-it-news,
.iu-it-news * {
  box-sizing: border-box;
}

.iu-it-news {
  padding: 0;
  scroll-margin-top: 96px;
  color: #171d2c;
  background: #fff;
}

.iu-it-news a {
  color: inherit;
  text-decoration: none;
}

.iu-it-news-student {
  padding: var(--iu-it-section-space) 0 calc(var(--iu-it-section-space) + 8px);
}

.iu-it-news-other {
  color: #fff;
  background:
    linear-gradient(rgba(4, 23, 55, 0.78), rgba(4, 23, 55, 0.82)),
    url("../images/news/iu-campus-news-background.jpg") center 54% / cover no-repeat;
}

.iu-it-news-other-content {
  padding: var(--iu-it-section-space) 0;
}

.iu-it-news-band {
  min-height: 34px;
  background: #0c4ca5;
}

.iu-it-news-carousel {
  --iu-it-news-gap: clamp(16px, 1.7vw, 27px);
  display: grid;
  width: 100%;
  grid-template-columns: 40px minmax(0, 1fr) 40px;
  align-items: center;
  gap: clamp(10px, 1.2vw, 18px);
  margin-inline: auto;
}

.iu-it-news-track {
  display: grid;
  min-width: 0;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - (var(--iu-it-news-gap) * 3)) / 4);
  gap: var(--iu-it-news-gap);
  align-items: stretch;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
}

.iu-it-news-track::-webkit-scrollbar {
  display: none;
}

.iu-it-news-arrow {
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  place-items: center;
  color: #082658;
  background: #fff;
  border: 1px solid #b7cce4;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(5, 30, 69, 0.12);
  cursor: pointer;
}

.iu-it-news-arrow svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.iu-it-news-arrow:disabled {
  opacity: 0.4;
  cursor: default;
}

.iu-it-news-card {
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid #dbe6f2;
  border-radius: 6px;
  box-shadow: 0 8px 22px rgba(8, 38, 88, 0.08);
  scroll-snap-align: start;
}

.iu-it-news-card > a {
  display: flex;
  height: 100%;
  flex-direction: column;
}

.iu-it-news-card-media {
  position: relative;
  flex: none;
}

.iu-it-news-card-media img {
  display: block;
  width: 100%;
  max-width: none;
  aspect-ratio: 1.65;
  object-fit: cover;
}

.iu-it-news-card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 7px 11px;
  color: #fff;
  background: var(--iu-it-blue-700);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.iu-it-news-card-body {
  flex: 1;
  padding: 17px 16px 21px;
}

.iu-it-news-card time:not(.iu-it-news-date-badge) {
  display: block;
  margin: 0 0 8px;
  color: var(--iu-it-muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.iu-it-news-card h3 {
  margin: 0 0 12px;
  color: #082658;
  font-size: clamp(15px, 1.05vw, 18px);
  font-weight: 800;
  line-height: 1.4;
}

.iu-it-news-card p {
  margin: 0;
  color: var(--iu-it-text);
  font-size: 0.82rem;
  line-height: 1.65;
}

.iu-it-news-other .iu-it-news-card {
  border-color: rgba(255, 255, 255, 0.72);
  box-shadow: 0 16px 38px rgba(0, 10, 30, 0.22);
}

.iu-it-news-card--dated .iu-it-news-card-body {
  padding-top: 40px;
}

.iu-it-news-date-badge {
  position: absolute;
  z-index: 1;
  bottom: -28px;
  left: 14px;
  display: grid;
  width: 60px;
  height: 65px;
  place-content: center;
  margin: 0;
  color: #fff;
  background: #082658;
  text-align: center;
}

.iu-it-news-date-badge strong {
  font-size: 1.32rem;
  line-height: 1.15;
}

.iu-it-news-date-badge span {
  font-size: 0.65rem;
  font-weight: 800;
}

/* Chương trình đào tạo. */
.iu-it-programs {
  position: relative;
  overflow: visible;
  padding: var(--iu-it-section-space) 0 0;
  scroll-margin-top: 96px;
  background: #fff;
  border: 0;
}

.iu-it-programs::before {
  display: none;
}

.iu-it-programs-content {
  padding-bottom: var(--iu-it-section-space);
}

.iu-it-programs-heading {
  max-width: 740px;
  margin: 0 auto 29px;
  text-align: center;
}

.iu-it-programs-heading p {
  margin: 0 0 10px;
  color: var(--iu-it-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.iu-it-programs-heading h2 {
  margin: 0;
  color: var(--iu-it-ink);
  font-size: clamp(25px, 2vw, 32px);
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.iu-it-degree-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 1.8vw, 28px);
}

.iu-it-degree-card {
  display: flex;
  min-width: 0;
  min-height: 272px;
  padding: clamp(22px, 2.25vw, 36px);
  flex-direction: column;
  background: #fff;
  border: 1px solid #e1eaf4;
  border-radius: 16px;
  box-shadow: 0 14px 36px rgba(8, 38, 88, 0.07);
}

.iu-it-degree-card::after {
  width: 42px;
  height: 3px;
  margin-top: auto;
  background: var(--iu-it-sky);
  border-radius: 3px;
  content: "";
}

.iu-it-degree-card--international::after {
  background: #e5b93d;
}

.iu-it-degree-icon {
  display: grid;
  width: 49px;
  height: 49px;
  place-items: center;
  margin-bottom: 21px;
  color: var(--iu-it-blue-700);
  background: #f1f8ff;
  border: 1px solid #cbe2f7;
  border-radius: 13px;
}

.iu-it-degree-card--international .iu-it-degree-icon {
  color: #8a6814;
  background: #fffaf0;
  border-color: #f3e2aa;
}

.iu-it-degree-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.iu-it-degree-card h3 {
  margin: 0 0 13px;
  color: var(--iu-it-ink);
  font-size: clamp(17px, 1.23vw, 21px);
  font-weight: 750;
  line-height: 1.3;
}

.iu-it-degree-card p,
.iu-it-degree-card ul {
  margin: 0 0 25px;
  color: var(--iu-it-text);
  font-size: 0.88rem;
  line-height: 1.65;
}

.iu-it-degree-card ul {
  padding-left: 18px;
  font-size: 0.82rem;
}

.iu-it-degree-card li + li {
  margin-top: 5px;
}

.iu-it-graduate-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(36px, 5vw, 84px);
  align-items: center;
  padding-top: var(--iu-it-section-space);
  margin-top: var(--iu-it-section-space);
  border-top: 1px solid #e3ecf6;
}

.iu-it-graduate-copy > span {
  display: block;
  margin-bottom: 12px;
  color: var(--iu-it-muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.iu-it-graduate-copy h3 {
  margin: 0 0 17px;
  color: var(--iu-it-ink);
  font-size: clamp(25px, 2.1vw, 34px);
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.iu-it-graduate-copy > p {
  max-width: 47ch;
  margin: 0 0 23px;
  color: var(--iu-it-text);
  font-size: 0.95rem;
  line-height: 1.7;
}

.iu-it-graduate-option {
  padding: 16px 0;
  border-top: 1px solid #d8e5f2;
}

.iu-it-graduate-option:last-child {
  border-bottom: 1px solid #d8e5f2;
}

.iu-it-graduate-option summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--iu-it-ink);
  font-size: 1rem;
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}

.iu-it-graduate-option summary::-webkit-details-marker {
  display: none;
}

.iu-it-graduate-option summary::after {
  flex: 0 0 auto;
  color: var(--iu-it-blue-700);
  font-size: 1.25rem;
  line-height: 1;
  content: "+";
}

.iu-it-graduate-option[open] summary {
  color: var(--iu-it-blue-700);
}

.iu-it-graduate-option[open] summary::after {
  content: "−";
}

.iu-it-graduate-option p {
  margin: 12px 25px 0 0;
  color: var(--iu-it-text);
  font-size: 0.88rem;
  line-height: 1.65;
}

.iu-it-graduate-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 1.8vw, 28px);
}

.iu-it-graduate-images figure {
  min-width: 0;
  overflow: hidden;
  margin: 0;
  background: #fff;
  border: 1px solid #e0e9f4;
  border-radius: 14px;
  box-shadow: 0 12px 26px rgba(8, 38, 88, 0.08);
}

.iu-it-graduate-images img {
  display: block;
  width: 100%;
  max-width: none;
  aspect-ratio: 1.38;
  object-fit: cover;
}

.iu-it-graduate-images figcaption {
  display: grid;
  min-height: 66px;
  place-items: center;
  padding: 13px 15px;
  color: var(--iu-it-ink);
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

/* Thành tích — tiêu đề nằm chung nền xanh với số liệu. */
.iu-it-statistics {
  padding: clamp(40px, 3.5vw, 56px) 0 clamp(28px, 3vw, 42px);
  color: #fff;
  background: #173a76;
}

.iu-it-statistics::before {
  display: none;
}

.iu-it-statistics-heading {
  margin: 0 0 clamp(28px, 3vw, 40px);
  text-align: center;
}

.iu-it-statistics-heading h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(25px, 2vw, 34px);
  font-weight: 850;
  line-height: 1.2;
  text-transform: uppercase;
}

.iu-it-statistics-heading::after {
  display: block;
  width: 46px;
  height: 3px;
  margin: 14px auto 0;
  background: #82ccef;
  border-radius: 3px;
  content: "";
}

.iu-it-statistics-grid {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: visible;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.iu-it-statistic-card {
  min-height: 133px;
  padding: 12px;
  background: transparent;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0;
}

.iu-it-statistic-card + .iu-it-statistic-card {
  border-left: 0;
}

.iu-it-statistic-card:last-child {
  border-right: 0;
}

.iu-it-statistic-icon {
  width: 31px;
  height: 31px;
  margin-bottom: 5px;
  color: #bfeaff;
  background: rgba(255, 255, 255, 0.15);
  border: 0;
  border-radius: 9px;
  font-size: 1rem;
}

.iu-it-statistic-card strong {
  font-size: clamp(25px, 2.2vw, 34px);
}

.iu-it-statistic-card h3 {
  margin-top: 3px;
  color: #fff;
  font-size: 0.78rem;
}

/* Nghiên cứu — nền trắng, thẻ tự co theo nội dung. */
.iu-it-research {
  overflow: hidden;
  padding: var(--iu-it-section-space) 0;
  scroll-margin-top: 96px;
  color: var(--iu-it-ink);
  background: #fff;
  border: 0;
}

.iu-it-research-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(38px, 3.8vw, 68px);
  align-items: start;
}

.iu-it-research-copy {
  display: block;
  min-width: 0;
}

.iu-it-research-copy h2 {
  margin: 0 0 27px;
  color: var(--iu-it-ink);
  font-size: clamp(31px, 2.6vw, 41px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.iu-it-research-intro {
  max-width: 62ch;
  margin: 0 0 27px;
  color: #172333;
  font-size: clamp(17px, 1.18vw, 20px);
  line-height: 1.75;
}

.iu-it-research-more {
  display: inline-flex;
  min-height: 0;
  align-items: center;
  justify-content: center;
  padding: 17px 31px;
  margin-top: 18px;
  color: #fff;
  background: #344156;
  border: 0;
  border-radius: 999px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
}

.iu-it-research-more:hover,
.iu-it-research-more:focus-visible {
  color: #fff;
  background: #082658;
}

.iu-it-research-carousel,
.iu-it-research-slides {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: auto;
}

.iu-it-research-slides {
  overflow: hidden;
  transition: height 380ms cubic-bezier(0.22, 1, 0.36, 1);
}

.iu-it-research-card {
  position: relative;
  display: block;
  min-width: 0;
  min-height: 0;
  height: auto;
  padding: 48px clamp(42px, 3.8vw, 62px) 60px;
  overflow: hidden;
  color: var(--iu-it-ink);
  background: #fff;
  border: 1px solid #e7ebf2;
  border-radius: 12px;
  box-shadow: 0 3px 18px rgba(20, 42, 74, 0.035);
  transition: opacity 180ms ease, transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.iu-it-research-card.is-leaving-next {
  opacity: 0;
  transform: translateX(-34px);
}

.iu-it-research-card.is-leaving-previous {
  opacity: 0;
  transform: translateX(34px);
}

.iu-it-research-card.is-entering-next {
  opacity: 0;
  transform: translateX(34px);
}

.iu-it-research-card.is-entering-previous {
  opacity: 0;
  transform: translateX(-34px);
}

.iu-it-research-card::before,
.iu-it-research-detail {
  display: none;
}

.iu-it-research-card[hidden] {
  display: none !important;
}

.iu-it-research-card-kicker {
  margin: 0 0 5px;
  color: #3f78dd;
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.35;
}

.iu-it-research-card h3 {
  max-width: 27ch;
  margin: 0 0 18px;
  color: #374257;
  font-size: clamp(26px, 2.05vw, 35px);
  font-weight: 600;
  line-height: 1.35;
}

.iu-it-research-summary {
  max-width: 70ch;
  margin: 0;
  color: #172333;
  font-size: clamp(16px, 1.18vw, 20px);
  line-height: 1.75;
}

.iu-it-research-navigation {
  display: flex;
  height: 30px;
  align-items: center;
  justify-content: space-between;
  margin: 18px -38px;
}

.iu-it-research-leader {
  display: grid;
  gap: 8px;
  padding: 0 0 2px;
  margin: 0;
  border: 0;
}

.iu-it-research-leader span {
  color: #374257;
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}

.iu-it-research-leader strong {
  color: #172333;
  font-size: 1.08rem;
  font-weight: 400;
}

.iu-it-research-arrow {
  position: static;
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  color: #374257;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  cursor: pointer;
}

.iu-it-research-arrow svg {
  display: block;
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.iu-it-research-arrow--previous svg {
  transform: rotate(180deg);
}

.iu-it-research-arrow:hover,
.iu-it-research-arrow:focus-visible {
  color: var(--iu-it-blue-700);
}

/* Đối tác. */
.iu-it-partners {
  padding: var(--iu-it-section-space) 0;
  scroll-margin-top: 96px;
  background: #fff;
  border-top: 1px solid var(--iu-it-line);
}

.iu-it-partners-heading {
  text-align: center;
}

.iu-it-partners-heading h2 {
  justify-content: center;
  gap: 14px;
  color: var(--iu-it-ink);
  font-size: clamp(22px, 1.6vw, 26px);
  font-weight: 850;
  text-align: center;
}

.iu-it-partners-heading h2::before {
  width: 42px;
  height: 4px;
  flex: 0 0 42px;
  background: var(--iu-it-blue-700);
  border-radius: 4px;
  content: "";
}

.iu-it-partners-heading h2::after {
  display: none;
}

.iu-it-partners-marquee {
  margin-top: 24px;
  -webkit-mask-image: none;
  mask-image: none;
}

.iu-it-partners-group {
  gap: 16px;
  padding-right: 16px;
}

.iu-it-partner-logo {
  width: 182px;
  height: 106px;
  flex-basis: 182px;
  padding: 15px;
  border-color: #9ba8d4;
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(8, 38, 88, 0.05);
}

/* Footer theo bản góp ý: liên hệ, mạng xã hội và bản đồ. */
.footer-main--feedback {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(30px, 5vw, 84px);
  padding: var(--iu-it-section-space) 0 34px;
}

.footer-main--feedback .footer-col h2 {
  margin: 0 0 24px;
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.footer-main--feedback .footer-col p {
  margin: 0 0 11px;
  color: #e2e8fb;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-main--feedback .footer-social-links a {
  width: fit-content;
  min-height: 0;
  padding: 6px 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.footer-main--feedback .footer-social-links a:hover,
.footer-main--feedback .footer-social-links a:focus-visible {
  background: transparent;
}

.footer-map-frame {
  overflow: hidden;
  height: 225px;
  background: #dae7f5;
  border: 1px solid #93abeb;
  border-radius: 12px;
}

.footer-map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.footer-map-link {
  display: inline-block;
  margin-top: 10px;
  color: #d9edff;
  font-size: 0.78rem;
  font-weight: 800;
}

@media (max-width: 1250px) {
  .iu-it-news-track {
    grid-auto-columns: calc((100% - (var(--iu-it-news-gap) * 2)) / 3);
  }
}

@media (max-width: 1000px) {
  .iu-it-introduction-grid,
  .iu-it-research-grid,
  .iu-it-graduate-showcase {
    grid-template-columns: 1fr;
  }

  .iu-it-introduction-video {
    justify-self: start;
  }

  .iu-it-degree-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .iu-it-news-track {
    grid-auto-columns: calc((100% - var(--iu-it-news-gap)) / 2);
  }

  .footer-main--feedback {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-main--feedback .footer-map {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  :root {
    --iu-it-section-space: clamp(38px, 8vw, 50px);
  }

  .topbar-login {
    min-height: 29px;
  }

  .iu-it-news-carousel {
    grid-template-columns: 34px minmax(0, 1fr) 34px;
    gap: 7px;
  }

  .iu-it-news-arrow {
    width: 34px;
    height: 34px;
  }

  .iu-it-news-track {
    grid-auto-columns: 100%;
  }

  .iu-it-news-card-media img {
    max-height: 320px;
  }

  .iu-it-statistics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .iu-it-statistic-card:nth-child(2) {
    border-right: 0;
  }

  .iu-it-statistic-card:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  }

  .iu-it-statistic-card:nth-child(3) {
    border-left: 0;
  }

  .footer-main--feedback {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-main--feedback .footer-map {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .iu-it-degree-grid,
  .iu-it-graduate-images {
    grid-template-columns: 1fr;
  }

  .iu-it-degree-card {
    min-height: 0;
  }

  .iu-it-research-card {
    padding: 28px;
  }

  .iu-it-research-navigation {
    margin-inline: -16px;
  }

  .iu-it-news-card-media img {
    max-height: 250px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .iu-it-news-track {
    scroll-behavior: auto;
  }

  .iu-it-research-slides {
    transition: none;
  }
}

/* =========================================================
   General Information Page
========================================================= */

.iu-general-information {
  overflow: hidden;
  color: var(--iu-it-ink);
  background: #fff;
}

.iu-general-information *,
.iu-general-information *::before,
.iu-general-information *::after {
  box-sizing: border-box;
}

.iu-general-information-section {
  position: relative;
  padding: clamp(38px, 3.5vw, 53px) 0 clamp(76px, 7vw, 108px);
  background: linear-gradient(180deg, #f6f8fc 0, #fff 390px);
  isolation: isolate;
}

.iu-general-information-section::before {
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(41, 147, 198, 0.38), transparent);
  content: '';
  pointer-events: none;
}

.iu-general-information-inner {
  width: var(--iu-it-content-width);
}

.iu-general-information-header {
  width: 100%;
  max-width: none;
  margin: 0 0 clamp(30px, 3.6vw, 44px);
  text-align: left;
}

.iu-general-information-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 15px;
  color: #268ec7;
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.iu-general-information-eyebrow::before {
  width: 34px;
  height: 2px;
  background: #268ec7;
  content: '';
}

.iu-general-information-header h1 {
  margin: 0;
  color: #18345f;
  font-size: clamp(2.35rem, 3.45vw, 3.55rem);
  font-weight: 620;
  letter-spacing: -0.03em;
  line-height: 1.15;
  text-wrap: balance;
}

.iu-general-information-rule {
  display: none;
}

.iu-general-information-visual {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  overflow: hidden;
  background: #dceaf3;
  border-radius: 6px;
  box-shadow: 0 14px 36px rgba(10, 41, 91, 0.11);
}

.iu-general-information-visual::after {
  display: none;
}

.iu-general-information-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.iu-general-information-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 38px clamp(36px, 4vw, 64px);
  width: 100%;
  max-width: none;
  margin: -58px 0 0;
  color: #24364f;
  font-size: clamp(1rem, 1.12vw, 1.12rem);
  line-height: 1.86;
}

.iu-general-information-content p {
  margin: 0;
}

.iu-general-information-lead {
  position: relative;
  grid-column: 1 / -1;
  width: 100%;
  max-width: none;
  padding: clamp(25px, 3vw, 34px) clamp(27px, 3.5vw, 43px);
  margin-left: 0 !important;
  color: #18345f;
  background: #fff;
  border-top: 4px solid #269dd2;
  border-radius: 4px;
  font-size: clamp(1.05rem, 1.28vw, 1.22rem);
  font-weight: 500;
  line-height: 1.72;
  box-shadow: 0 16px 42px rgba(16, 49, 94, 0.13);
}

.iu-general-information-content > p:not(.iu-general-information-lead) {
  position: relative;
  padding: 25px 0 0 54px;
  border-top: 1px solid #ced8e7;
}

.iu-general-information-content > p:not(.iu-general-information-lead)::before {
  position: absolute;
  top: 19px;
  left: 0;
  color: #2f8fc3;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.iu-general-information-content > p:nth-child(2)::before {
  content: '01';
}

.iu-general-information-content > p:nth-child(3)::before {
  content: '02';
}

@media (max-width: 900px) {
  .iu-general-information-content {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: -38px;
  }

  .iu-general-information-lead {
    margin: 0 !important;
  }
}

@media (max-width: 720px) {
  .iu-general-information-section {
    padding: 28px 0 66px;
    background: linear-gradient(180deg, #f6f8fc 0, #fff 300px);
  }

  .iu-general-information-header {
    margin-bottom: 25px;
  }

  .iu-general-information-eyebrow {
    font-size: 0.78rem;
  }

  .iu-general-information-header h1 {
    font-size: clamp(2rem, 9vw, 2.4rem);
    line-height: 1.17;
  }

  .iu-general-information-visual {
    border-radius: 4px;
    box-shadow: 0 10px 26px rgba(10, 41, 91, 0.1);
  }

  .iu-general-information-visual img {
    min-height: 190px;
  }

  .iu-general-information-content {
    width: 100%;
    gap: 24px;
    margin-top: -26px;
    font-size: 1rem;
    line-height: 1.8;
  }

  .iu-general-information-lead {
    padding: 21px 20px;
    margin: 0 !important;
    border-top-width: 3px;
    font-size: 1.02rem;
    line-height: 1.72;
    box-shadow: 0 12px 30px rgba(16, 49, 94, 0.12);
  }

  .iu-general-information-content > p:not(.iu-general-information-lead) {
    padding: 22px 0 0 46px;
  }

  .iu-general-information-content > p:not(.iu-general-information-lead)::before {
    top: 18px;
  }
}

/* Vision and Mission: document-style presentation */
.iu-vision-mission {
  overflow: hidden;
  color: var(--iu-it-ink);
  background: #f1f4f8;
}

.iu-vision-mission *,
.iu-vision-mission *::before,
.iu-vision-mission *::after {
  box-sizing: border-box;
}

.iu-vision-mission-section {
  padding: clamp(25px, 3vw, 43px) 0 clamp(58px, 6vw, 88px);
  background: #f1f4f8;
}

.iu-vision-mission-inner {
  width: var(--iu-it-content-width);
  padding: clamp(25px, 3.65vw, 55px) clamp(28px, 5.2vw, 78px) clamp(36px, 5.2vw, 78px);
  background: #fff;
  border: 1px solid #dce3ec;
  border-radius: 26px;
  box-shadow: 0 14px 38px rgba(21, 48, 83, 0.05);
}

.iu-vision-mission-header {
  padding: 0 0 clamp(28px, 3.4vw, 44px);
  margin: 0 0 clamp(34px, 4vw, 52px);
  border-bottom: 1px solid #d7dfe9;
}

.iu-vision-mission-header h1 {
  margin: 0;
  color: #102f62;
  font-size: clamp(2.25rem, 3.5vw, 3.65rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.12;
  text-align: center;
}

.iu-document-section {
  width: 100%;
  margin: 0;
}

.iu-document-section + .iu-document-section {
  padding-top: 0;
  margin-top: clamp(30px, 3.2vw, 43px);
}

.iu-document-section h2 {
  margin: 0 0 24px;
  color: #102f62;
  font-size: clamp(1.45rem, 1.8vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  text-align: left;
}

.iu-document-section p,
.iu-document-list li,
.iu-letter-list li {
  color: #273950;
  font-size: clamp(1rem, 1.08vw, 1.1rem);
  line-height: 1.82;
}

.iu-document-list {
  padding-left: 1.45em;
  margin: 0;
}

.iu-document-list li {
  padding-left: 0.35em;
  margin: 0 0 13px;
}

.iu-document-list li:last-child {
  margin-bottom: 0;
}

.iu-letter-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.iu-letter-list li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 0;
  margin: 0 0 16px;
}

.iu-letter-list li:last-child {
  margin-bottom: 0;
}

.iu-letter-list li > span {
  color: #0d58aa;
  font-weight: 800;
}

.iu-letter-list p {
  margin: 0;
}

.iu-core-value-list strong,
.iu-philosophy-principles strong {
  color: #0d58aa;
  font-weight: 800;
}

.iu-program-objectives h2 {
  max-width: 1050px;
}

.iu-philosophy-motto {
  margin: 0 0 30px;
  color: #0d58aa !important;
  font-size: clamp(1.04rem, 1.2vw, 1.2rem) !important;
  font-weight: 850;
  letter-spacing: 0.055em;
  text-align: center;
}

.iu-philosophy-principles {
  margin: 0 0 clamp(34px, 4vw, 50px);
}

.iu-philosophy-principles p,
.iu-philosophy-body p {
  margin: 0 0 19px;
}

.iu-philosophy-principles p:last-child,
.iu-philosophy-body p:last-child {
  margin-bottom: 0;
}

.iu-philosophy-body {
  padding-top: 0;
}

@media (max-width: 720px) {
  .iu-vision-mission-section {
    padding: 14px 0 42px;
  }

  .iu-vision-mission-inner {
    padding: 21px 22px 38px;
    border-radius: 16px;
  }

  .iu-vision-mission-header {
    padding-bottom: 24px;
    margin-bottom: 32px;
  }

  .iu-vision-mission-header h1 {
    font-size: clamp(2rem, 9vw, 2.5rem);
  }

  .iu-document-section + .iu-document-section {
    padding-top: 0;
    margin-top: 26px;
  }

  .iu-document-section h2 {
    margin-bottom: 18px;
    font-size: 1.42rem;
  }

  .iu-document-section p,
  .iu-document-list li,
  .iu-letter-list li {
    font-size: 1rem;
    line-height: 1.75;
  }

  .iu-letter-list li {
    grid-template-columns: 22px minmax(0, 1fr);
  }
}