/* Animated Gradient Background */
body {
  background: linear-gradient(-45deg, #0f172a, #0e7490, #1e293b, #0f172a);
  background-size: 400% 400%;
  animation: gradientMove 12s ease infinite;
}
@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Scroll reveal */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}
.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}