/* Change hero/cover image height */
header.intro-header {
  height: 100% !important; /* adjust to taste */
  background-size: cover !important;
}

/* Change central hero title font size */
header.intro-header .site-heading h1 {
  font-size: 5.5rem !important; /* default ~2.5rem */
}

/* Optional: adjust subtitle size */
header.intro-header .site-heading .subheading {
  font-size: 2.0rem !important;
}