.popup-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.popup-box {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  text-align: center;
  position: relative;
  animation: fadeIn 0.4s ease-in-out;
}

.close-btn {
  position: absolute; top: 10px; right: 15px;
  font-size: 22px; color: #333; cursor: pointer;
}

.popup-form input,
.popup-form select {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
}

.submit-btn {
  background-color: #25D366;
  color: white;
  border: none;
  padding: 10px;
  width: 100%;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}
.submit-btn:hover { background-color: #1ebe57; }

@keyframes fadeIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}