body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
}

/* Button styling */
.open-btn {
  background: linear-gradient(
    to right,
    rgb(55, 92, 212),
    rgb(15, 38, 140)
  );

  color: white;
  border: 2px solid #36abf4;
  padding: 12px 20px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  border-radius: 5px;
  transition: 0.3s;
}

li {
  line-height: 1.2; /* Adjust line spacing */
}

.open-btn:hover {
  background: #05150f;
}

/* Pop-up window styles */
.popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  background: white;
  box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  z-index: 1000; /* Higher than overlay */
  display: none; /* Hidden by default */
}

.popup ul {
  text-align: left; /* Aligns list items to the left */
  padding-left: 20px; /* Ensures bullet points are properly positioned */
}

.popup h2 {
  margin-top: 0;
}

.close-btn {
  background: #009e60;
  color: white;
  border: none;
  padding: 8px 15px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 5px;
  margin-top: 10px;
}

.close-btn:hover {
  background: #e04848;
}

/* Dark overlay when pop-up is open */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5); /* Dark transparent background */
  z-index: 999; /* Below the popup */
  display: none; /* Hidden by default */
}

.popup ul {
  text-align: left;
  padding-left: 20px; /* Ensures bullet points are properly indented */
}