.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(-45deg, #03ac0e, #00c853, #4caf50, #2e7d32);
  background-size: 400% 400%;
  animation: gradientMove 12s ease infinite;
  color: #fff;
  position: relative;
  overflow: hidden;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Wave putih animasi */
.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 150px;
  background: url('wave.svg') repeat-x;
  background-size: cover;
  animation: waveMove 8s linear infinite;
}

@keyframes waveMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(-70%); }
}