html, body {
  margin: 0;
  padding: 0;
  background: #f8f8f8;          /* MP ADD – standard grey used across site */
}

canvas {
  display: block;
  width: 100vw;
  height: 100vh;
}





/* ---------- Intro Modal Popup ---------- */
.modal {
  position: fixed;
  z-index: 9999;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(3px);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  padding: 2rem 2.5rem;
  border-radius: 12px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  font-family: inherit;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}
.modal-content .cta-button {
  display: inline-flex;
  max-width: 100px;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}
.modal-content .cta-button .button-text {
  width: auto;                 /* allow content to define width */
  text-align: center;          /* center text inside */
  margin: 0 auto;              /* center the box itself */
  display: block;              /* required for text-align to apply */
}



.modal-text {
  font-size: 1.1rem;
  margin-bottom: 1.4rem;
  line-height: 1.6;
}

#dismiss-btn:hover {
  background: #333;
}




/* ---------- Footer Credits (gpt helped implement glassmorphic effect) ---------- */
.a2-credits {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  color: #333;
  font-size: 0.9rem;
  padding: 0.8rem 1.2rem;
  text-align: center;
  line-height: 1.5;
  z-index: 20;

  /* BLURRED BACKGROUND EFFECT */
  background: linear-gradient(to top, rgba(248, 248, 248, 0.85), rgba(248, 248, 248, 0.2));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 -1px 6px rgba(0, 0, 0, 0.05);
}

.a2-credits a {
  color: inherit;
  text-decoration: underline;
}