:root {
  --brand-primary: #0a4f73;
  --brand-secondary: #0f6b8f;
  --brand-accent: #1bb0ce;
  --brand-dark: #123047;
  --brand-light: #f4f8fb;
  --text-dark: #1c2733;
  --text-muted: #5b6b79;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  background-color: #ffffff;
}

.navbar {
  box-shadow: 0 6px 18px rgba(10, 79, 115, 0.08);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.3px;
}

.nav-link {
  font-weight: 500;
}

.nav-link.active,
.nav-link:hover {
  color: var(--brand-accent) !important;
}

.hero-carousel .carousel-item {
  height: 72vh;
  min-height: 460px;
  background: #0e2230;
}

.hero-carousel .carousel-item img {
  height: 100%;
  object-fit: cover;
  filter: brightness(0.52);
}

.hero-carousel .carousel-caption {
  bottom: 16%;
  text-align: left;
  max-width: 760px;
}

.hero-carousel .carousel-caption h1,
.hero-carousel .carousel-caption h2 {
  font-weight: 700;
  line-height: 1.15;
}

.section-padding {
  padding: 5rem 0;
}

.section-soft {
  background: linear-gradient(180deg, #f8fbfd 0%, #eef6fa 100%);
}

.page-hero {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand-secondary));
  color: #fff;
  padding: 4.5rem 0 3.5rem;
}

.page-hero h1 {
  font-weight: 700;
}

.badge-soft {
  background-color: rgba(27, 176, 206, 0.12);
  color: var(--brand-secondary);
  border: 1px solid rgba(27, 176, 206, 0.18);
}

.icon-box {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(27,176,206,0.15), rgba(10,79,115,0.15));
  color: var(--brand-primary);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card,
.stat-card,
.news-card,
.publication-card,
.job-card,
.contact-card,
.value-card,
.team-card {
  border: 1px solid #e8eef3;
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(18, 48, 71, 0.07);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
}

.feature-card:hover,
.stat-card:hover,
.news-card:hover,
.publication-card:hover,
.job-card:hover,
.contact-card:hover,
.value-card:hover,
.team-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 34px rgba(18, 48, 71, 0.11);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.cta-banner {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  color: #fff;
  border-radius: 28px;
  padding: 3rem;
}

.footer {
  background: #0f2130;
  color: rgba(255,255,255,0.78);
}

.footer a {
  color: rgba(255,255,255,0.82);
  text-decoration: none;
}

.footer a:hover {
  color: #fff;
}

.list-check li {
  margin-bottom: 0.7rem;
}

.list-check i {
  color: var(--brand-accent);
  margin-right: 0.5rem;
}

.contact-info i,
.social-links i {
  color: var(--brand-accent);
}

.form-control,
.form-select {
  border-radius: 12px;
  padding: 0.8rem 1rem;
  border-color: #d8e3ea;
}

.btn-brand {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  border: none;
  padding: 0.8rem 1.4rem;
  border-radius: 12px;
  font-weight: 600;
}

.btn-brand:hover {
  color: #fff;
  opacity: 0.95;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  background: var(--brand-accent);
  border-radius: 50%;
  display: inline-block;
  margin-right: 0.65rem;
}

@media (max-width: 991.98px) {
  .hero-carousel .carousel-item {
    height: 62vh;
    min-height: 400px;
  }

  .hero-carousel .carousel-caption {
    bottom: 12%;
  }
}

@media (max-width: 767.98px) {
  .hero-carousel .carousel-item {
    height: 58vh;
    min-height: 360px;
  }

  .hero-carousel .carousel-caption {
    right: 8%;
    left: 8%;
    bottom: 10%;
  }

  .cta-banner {
    padding: 2rem;
  }
}