/* Page lock: fill viewport, no scroll */
html, body {
  height: 100%;
  margin: 0;
  overflow: hidden; /* <-- prevents scrolling */
}

/* Make it clear the whole page is clickable */
body { cursor: pointer; }

/* Full-page clickable cover link */
.page-cover {
  position: fixed;
  inset: 0;
  z-index: 9999;
  text-indent: -9999px; /* hide text but keep for a11y */
  background: transparent;
}

/* Centered content */
.center {
  height: 100vh;           /* use viewport height */
  display: grid;
  place-items: center;
  font-family: system-ui, sans-serif;
  font-size: 2rem;
}