/* Overlay Background */
.start-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

/* Popup Box */
.start-popup-box {
  background: white;

  padding: clamp(20px, 5vw, 30px);
  border-radius: 25px;
  width: 90vw;
  max-width: 400px;
  text-align: center;
  position: relative;
  box-shadow: 0 0 15px rgba(0,0,0,0.3);
}

.start-popup-box h1 {

  font-size: clamp(20px, 8vw, 56px);
}

.start-popup-box h2 {
  line-height: 200%;
  font-size: clamp(16px, 5.5vw, 28px);
}

.start-popup-box p.normal {
  line-height: 150%;
  font-size: clamp(12px, 2vw, 20px);
}

.start-popup-box p.footer {
  line-height: 200%;
  font-size: clamp(12px, 2vw, 20px);
}

/* Close Button */
.start-popup-close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
}

.start-popup-close-btn:hover {
  color: red;
}