:root {
  --rdi-navy: #0a1628;
  --rdi-blue: #1e3a5f;
  --rdi-accent: #0d6efd;
}

body {
  background-color: var(--rdi-navy);
  color: #e2e8f0;
}

.topbar {
  background-color: var(--rdi-navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 16px 0;
}

.navbar-rdi {
  background-color: var(--rdi-blue);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.navbar-rdi .nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color 0.2s;
}

.navbar-rdi .nav-link:hover,
.navbar-rdi .nav-link.active {
  color: #fff !important;
  border-bottom: 2px solid var(--rdi-accent);
}

.navbar-rdi .navbar-toggler {
  border-color: rgba(255,255,255,0.3);
}

.navbar-rdi .navbar-toggler-icon {
  filter: invert(1);
}

.section {
  padding: 64px 0;
}

.hero-section {
  background-image: url('../assets/.hyper-dev/telinco/img/bs-waves.svg');
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  min-height: 520px;
}

.card-rdi {
  background-color: var(--rdi-blue);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  color: #e2e8f0;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card-rdi:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.footer-rdi {
  background-color: var(--rdi-blue);
  color: #e2e8f0;
  padding: 48px 0 0;
}

.footer-copyright {
  background-color: #0d1b2a;
  padding: 12px 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.lang-toggle {
  cursor: pointer;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  transition: background 0.2s;
}

.lang-toggle:hover {
  background: rgba(255,255,255,0.2);
}

.vr-white {
  display: inline-block;
  width: 2px;
  height: 70px;
  background: rgba(255,255,255,0.3);
  margin: 0 16px;
  vertical-align: middle;
}

@media (max-width: 768px) {
  .topbar-brand-text { display: none; }
  .section { padding: 40px 0; }
}