.slider-heading {
  font-size: clamp(2rem, 5vw, 4rem); /* responsive font size */
  text-align: center;
  letter-spacing: 0.05em; /* slight spacing between letters */
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  white-space: nowrap; /* keeps short headers on one line */
}