:root {
  --kb-navy: #0b2a3b;
  --kb-sand: #f2efe9;
  --kb-ink: #0f172a;
  --kb-muted: #475569;
  --kb-border: rgba(15, 23, 42, 0.12);
}

html { scroll-behavior: smooth; }
body { color: var(--kb-ink); }

/* Navbar */
.navbar {
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--kb-border);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.06em;
}

.nav-link { color: rgba(15, 23, 42, 0.8); }
.nav-link:hover { color: rgba(15, 23, 42, 1); }

/* Hero */
.hero {
  position: relative;
  min-height: 74vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: url('../img/hero.jpg') center/cover no-repeat;
  transform: scale(1.02);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 42, 59, 0.92), rgba(11, 42, 59, 0.55));
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  letter-spacing: 0.02em;
}

.badge-soft {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section--alt {
  background: #fafafa;
}

.kicker {
  color: var(--kb-muted);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-size: 0.80rem;
}

/* Cards */
.kb-card {
  border: 1px solid var(--kb-border);
  border-radius: 1.25rem;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.06);
}

.kb-card .card-body { padding: 1.5rem; }

.stat {
  border: 1px solid var(--kb-border);
  border-radius: 1.25rem;
  padding: 1.25rem;
  background: #fff;
}

.stat__label {
  color: var(--kb-muted);
  font-size: 0.95rem;
}

.stat__value {
  font-size: 1.6rem;
  font-weight: 700;
}

/* Footer */
.footer {
  background: var(--kb-navy);
  color: rgba(255, 255, 255, 0.85);
}

.footer a { color: rgba(255, 255, 255, 0.92); }
.footer a:hover { color: #fff; }

.small-muted { color: var(--kb-muted); }

/* Brand */
.brand-logo {
  display: block;
  height: 32px;
  width: auto;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #fff;
  color: #000;
  padding: 0.75rem 1rem;
  z-index: 9999;
  border: 1px solid var(--kb-border);
}
.skip-link:focus { top: 0; }

@media (max-width: 991.98px) {
  .hero { min-height: 68vh; }
  .hero__overlay { background: rgba(11, 42, 59, 0.85); }
}

/* Media */
.media-thumb {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 1.25rem;
  border: 1px solid var(--kb-border);
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.06);
}