.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;

  /* background setup */
  background: url('/assets/cityBg.webp') repeat-x center center;
  background-size: cover;

  /* create animation */
  animation: scroll-bg 60s linear infinite;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.2);
  z-index: 0;
}

/* Make sure content stays above the overlay */
.hero > * {
  position: relative;
  z-index: 1;
}

/* Keyframes for horizontal scroll */
@keyframes scroll-bg {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -2000px 0; /* adjust this based on your image width */
  }
}