/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

/* BUTTON (STICKY BOTTOM CENTER) */
.enroll-btn {
  background: linear-gradient(135deg, #facc15, #f59e0b);
  color: #000;
  padding: 14px 36px;
  font-size: 20px;
  border: none;
  border-radius: 35px;
  cursor: pointer;
  font-weight: bold;
  line-height: 1.6;

  width: 350px;
  height: 90px;

  position: sticky;   /* scroll-oda visible */
  bottom: 30px;       /* screen bottom gap */

  margin: 40px auto;  /* ⭐ THIS CENTERS IT */
  display: block;
  z-index: 20;

  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.enroll-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 0 25px rgba(179, 156, 7, 0.689);
}

/* PULSE ANIMATION */
.pulse {
  animation: pulseAnim 1.5s infinite;
}

@keyframes pulseAnim {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}