.hero {
  height: 50vh; /* adjust as needed */
  background: url("/static/images/piano.jpg") center/cover no-repeat;
  position: relative;
}

/* Optional dark overlay for readability */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

/* Ensure text sits above overlay */
.hero > div {
  position: relative;
  z-index: 1;
}