/* ===== NAVBAR ===== */
.navbar {
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.85);
  transition: all 0.3s ease;
  padding: 12px 0;
}
.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  padding: 8px 0;
  box-shadow: var(--shadow-md);
}
.navbar-brand img {
  height: 48px;
  transition: all 0.3s ease;
}
.navbar.scrolled .navbar-brand img { height: 42px; }

.nav-link {
  color: #fff !important;
  font-weight: 500;
  padding: 8px 16px !important;
  border-radius: 8px;
}
.nav-link:hover {
  color: var(--accent) !important;
  background: rgba(255,255,255,0.05);
}
.nav-link.active {
  color: var(--accent) !important;
  background: rgba(0,188,212,0.1);
}