:root {
  --brand: #1d4ed8;
  --brand-dark: #17345d;
  --brand-deep: #10213d;
  --teal: #0f766e;
  --accent: #f59e0b;
  --orange: #f97316;
  --ink: #182235;
  --muted: #607086;
  --line: #dce5ef;
  --soft: #f5f8fc;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(24, 34, 53, .13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
  font-family: "Roboto", Arial, sans-serif;
  letter-spacing: 0;
  margin: 0;
  overflow-x: hidden;
}

a {
  text-decoration: none;
}

.site-header {
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(220, 229, 239, .9);
  left: 0;
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
}

.top-bar {
  background: var(--brand);
  color: var(--white);
  font-size: 13px;
}

.top-bar-inner {
  align-items: center;
  display: flex;
  justify-content: flex-end;
  min-height: 38px;
}

.top-bar i {
  margin-right: 8px;
}

.top-nav .navbar-nav {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.top-nav .nav-link {
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  padding: .75rem 0;
}

.top-nav .nav-link:hover,
.top-nav .nav-link:focus {
  color: var(--brand);
}

.top-nav .dropdown-menu {
  min-width: 220px;
}

.top-nav .dropdown-item {
  color: var(--ink);
  font-weight: 600;
}

.top-nav .dropdown-item:hover,
.top-nav .dropdown-item:focus {
  color: var(--brand);
}

.header-inner {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 74px;
}

.brand-mark {
  align-items: center;
  color: var(--brand-deep);
  display: inline-flex;
  font-size: 17px;
  font-weight: 800;
  gap: 12px;
}

.brand-mark span {
  align-items: center;
  background: var(--brand);
  border-radius: 50%;
  color: var(--white);
  display: inline-flex;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.top-nav {
  align-items: center;
  display: flex;
  gap: 22px;
}

.top-nav a {
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.top-nav .nav-cta {
  background: var(--accent);
  border-radius: 999px;
  color: #111827;
  padding: 10px 18px;
}

.section-space {
  padding: 88px 0;
}

.section-heading {
  margin: 0 auto 42px;
  max-width: 780px;
}

.section-kicker {
  color: var(--teal);
  display: inline-block;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  color: var(--ink);
  font-size: 42px;
  font-weight: 800;
  line-height: 1.16;
  margin-bottom: 16px;
}

.section-subtitle,
.section-text {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
  margin-bottom: 18px;
}

.btn {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  padding: 12px 28px;
}

.btn-warning {
  background: var(--accent);
  border-color: var(--accent);
  color: #111827;
}

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
}

.hero-section {
  background:
    linear-gradient(90deg, rgba(16, 33, 61, .94) 0%, rgba(16, 33, 61, .82) 44%, rgba(16, 33, 61, .28) 100%),
    url("../img/university/online-hero-generated.png") center / cover no-repeat;
  color: var(--white);
  min-height: auto;
  padding: 54px 0 72px;
}

.hero-grid {
  align-items: start;
  display: grid;
  gap: 42px;
  grid-template-columns: minmax(0, 1fr) 430px;
}

.hero-content {
  max-width: 720px;
  min-width: 0;
}

.hero-badge {
  align-items: center;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  display: inline-flex;
  font-size: 14px;
  font-weight: 800;
  gap: 8px;
  margin-bottom: 22px;
  padding: 10px 18px;
}

.hero-badge i,
.highlight-box i {
  color: var(--accent);
}

.hero-kicker {
  color: #dbeafe;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.hero-title {
  color: var(--white);
  font-size: 64px;
  font-weight: 800;
  line-height: 1.06;
  margin-bottom: 24px;
  max-width: 760px;
}

.hero-text {
  color: rgba(255, 255, 255, .9);
  font-size: 20px;
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 660px;
}

.hero-highlights,
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
}

.hero-highlights {
  gap: 14px;
  margin-bottom: 30px;
}

.highlight-box {
  align-items: center;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  display: inline-flex;
  font-weight: 800;
  gap: 8px;
  min-height: 46px;
  padding: 10px 18px;
}

.hero-buttons {
  gap: 14px;
}

.admission-panel {
  background: rgba(255, 255, 255, .98);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: var(--ink);
  padding: 26px;
  min-width: 0;
}

.admission-panel h2 {
  color: var(--brand-deep);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 18px;
  text-align: center;
}

.form-field {
  margin-bottom: 14px;
}

.form-field label,
.form-label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 7px;
}

.form-control,
.form-select {
  border-color: var(--line);
  border-radius: 8px;
  min-height: 46px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 .2rem rgba(29, 78, 216, .12);
}

.consent-check {
  align-items: flex-start;
  color: var(--muted);
  display: flex;
  font-size: 12px;
  gap: 9px;
  line-height: 1.45;
  margin: 4px 0 16px;
}

.consent-check input {
  margin-top: 3px;
}

.submit-btn {
  width: 100%;
}

.form-status {
  color: var(--teal);
  font-weight: 800;
  margin: 12px 0 0;
  min-height: 22px;
  text-align: center;
}

.overview-section,
.benefits-section,
.recruiter-section {
  background: var(--white);
}

.breadcrumb-line {
  color: var(--orange);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 18px;
}

.proof-list {
  display: grid;
  gap: 14px;
}

.proof-list div {
  align-items: center;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  display: flex;
  font-weight: 800;
  gap: 12px;
  padding: 18px;
}

.proof-list i {
  color: var(--teal);
}

.recognition-section,
.eligibility-section,
.faq-section {
  background: var(--soft);
}

.recognition-card,
.program-card,
.advantage-card,
.process-step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(24, 34, 53, .08);
  height: 100%;
  padding: 28px;
  transition: box-shadow .2s ease, transform .2s ease;
}

.recognition-card:hover,
.program-card:hover,
.advantage-card:hover,
.process-step:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.recognition-card {
  text-align: center;
}

.recognition-card i {
  align-items: center;
  background: rgba(249, 115, 22, .1);
  border-radius: 50%;
  color: var(--orange);
  display: inline-flex;
  font-size: 28px;
  height: 64px;
  justify-content: center;
  margin-bottom: 18px;
  width: 64px;
}

.recognition-card h3,
.program-card h3,
.advantage-card h3,
.process-step h3,
.content-list h3 {
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 10px;
}

.recognition-card p,
.program-card p,
.advantage-card p,
.process-step p,
.content-list p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.program-section,
.advantages-section,
.process-section {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.course-dropdowns {
  display: grid;
  gap: 16px;
  margin-bottom: 68px;
}

.course-dropdown {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(24, 34, 53, .07);
  overflow: hidden;
}

.course-dropdown summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  font-size: 18px;
  font-weight: 800;
  justify-content: space-between;
  list-style: none;
  padding: 20px 24px;
}

.course-dropdown summary::-webkit-details-marker {
  display: none;
}

.course-dropdown[open] summary i {
  transform: rotate(180deg);
}

.course-chip-grid {
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 24px 24px;
}

.course-chip-grid a,
.recruiter-grid span {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--brand-deep);
  font-weight: 800;
  padding: 12px 14px;
  text-align: center;
}

.course-chip-grid a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 calc(25% - 12px);
  min-width: 170px;
}

.popular-heading {
  margin-top: 16px;
}

.program-card {
  position: relative;
}

.program-tag {
  background: rgba(29, 78, 216, .1);
  border-radius: 999px;
  color: var(--brand);
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 18px;
  padding: 7px 12px;
}

.card-link {
  color: var(--brand);
  display: inline-flex;
  font-weight: 800;
  margin-top: 22px;
}

.content-list {
  display: grid;
  gap: 16px;
}

.content-list div {
  border-left: 4px solid var(--accent);
  padding-left: 18px;
}

.content-list.compact div {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  padding: 18px;
}

.section-image {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  box-shadow: var(--shadow);
  object-fit: cover;
  width: 100%;
}

.process-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.process-step {
  min-height: 238px;
}

.process-step span {
  color: var(--accent);
  display: inline-block;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 20px;
}

.advantage-card i {
  align-items: center;
  background: rgba(15, 118, 110, .1);
  border-radius: 50%;
  color: var(--teal);
  display: inline-flex;
  font-size: 24px;
  height: 56px;
  justify-content: center;
  margin-bottom: 20px;
  width: 56px;
}

.faq-accordion {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.accordion-item {
  border-color: var(--line);
}

.accordion-button {
  color: var(--ink);
  font-size: 17px;
  font-weight: 800;
  padding: 20px 22px;
}

.accordion-button:not(.collapsed) {
  background: rgba(29, 78, 216, .08);
  color: var(--brand-dark);
}

.accordion-button:focus {
  box-shadow: 0 0 0 .2rem rgba(29, 78, 216, .18);
}

.accordion-body {
  color: var(--muted);
  line-height: 1.7;
  padding: 0 22px 22px;
}

.recruiter-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.footer-custom {
  background: var(--brand-deep);
  color: rgba(255, 255, 255, .86);
  padding: 58px 0 24px;
}

.footer-custom h2,
.footer-custom h3 {
  color: var(--white);
  font-weight: 800;
  margin-bottom: 14px;
}

.footer-custom h2 {
  font-size: 24px;
}

.footer-custom h3 {
  font-size: 18px;
}

.footer-custom p,
.footer-custom li {
  color: rgba(255, 255, 255, .76);
  line-height: 1.7;
}

.footer-custom a {
  color: rgba(255, 255, 255, .86);
}

.footer-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 2fr 1fr 1fr 1.25fr;
}

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

.footer-bottom {
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, .16);
  display: flex;
  justify-content: space-between;
  margin-top: 36px;
  padding-top: 22px;
}

.footer-bottom a {
  align-items: center;
  background: rgba(255, 255, 255, .12);
  border-radius: 50%;
  display: inline-flex;
  height: 42px;
  justify-content: center;
  width: 42px;
}

@media (max-width: 1199px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 390px;
  }

  .hero-title {
    font-size: 56px;
  }

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

  .course-chip-grid a {
    flex-basis: calc(33.33% - 12px);
  }
}

@media (max-width: 991px) {
  .section-space {
    padding: 72px 0;
  }

  .section-title {
    font-size: 34px;
  }

  .hero-section {
    min-height: auto;
  }

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

  .hero-content {
    max-width: 760px;
    width: 100%;
  }

  .admission-panel {
    max-width: 620px;
  }

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

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

@media (max-width: 767px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding-bottom: 14px;
    padding-top: 14px;
  }

  .top-nav {
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .section-space {
    padding: 58px 0;
  }

  .section-title {
    font-size: 30px;
  }

  .section-subtitle,
  .section-text {
    font-size: 16px;
  }

  .hero-section {
    background:
      linear-gradient(180deg, rgba(16, 33, 61, .94) 0%, rgba(16, 33, 61, .82) 100%),
      url("../img/university/online-hero-generated.png") center / cover no-repeat;
    padding: 62px 0;
  }

  .hero-title {
    font-size: 38px;
    max-width: 100%;
    overflow-wrap: break-word;
  }

  .hero-text {
    font-size: 17px;
    overflow-wrap: break-word;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .course-chip-grid {
    flex-direction: column;
  }

  .course-chip-grid a {
    flex-basis: 100%;
  }

  .process-grid,
  .recruiter-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
}

@media (max-width: 575px) {
  .brand-mark strong {
    font-size: 15px;
  }

  .hero-title {
    font-size: 32px;
    line-height: 1.14;
    overflow-wrap: anywhere;
  }

  .hero-highlights {
    align-items: stretch;
    flex-direction: column;
  }

  .highlight-box {
    justify-content: center;
    width: 100%;
  }

  .admission-panel {
    padding: 20px;
  }
}


.social-icons a {
  display: inline-block;
  margin-right: 15px;
  font-size: 28px;
  color: #333;
  transition: all 0.3s ease;
}

.social-icons a:hover {
  transform: translateY(-3px);
}

.social-icons a:nth-child(1):hover {
  color: #1877F2;
  /* Facebook */
}

.social-icons a:nth-child(2):hover {
  color: #0A66C2;
  /* LinkedIn */
}

.social-icons a:nth-child(3):hover {
  color: #21759B;
  /* WordPress */
}