html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Hero / dark gradient sections, matches Nexantra brand */
.hero-bg {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #0f172a 100%);
}

/* Navbar: transparent over hero, solid once scrolled */
#navbar {
  background: transparent;
}
#navbar.scrolled {
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Subtle floating animation for hero logo */
.float-anim {
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

/* Decorative grid pattern used behind the product preview */
.bg-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}