/* Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Inter', sans-serif;
  background-color: #0d0d0d;
  background-size: cover;
  color: #ffffff;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Landing Section */
.landing {
  text-align: center;
}
.landing h1 {
  font-size: 3rem;
  font-weight: 600;
  margin-bottom: 30px;
}
.primary-btn {
  padding: 14px 32px;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #1e88e5, #6f86ff);
  border: none;
  border-radius: 10px;
  color: #fff;
  cursor: pointer;
  transition: 0.3s;
}
.primary-btn:hover {
  background: linear-gradient(135deg, #1565c0, #5a6de1);
}

/* Popup Styles */
.popup {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  display: none;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}
.popup-content {
  background: #1a1a1a;
  padding: 40px 30px;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  text-align: center;
  position: relative;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.popup-content h2 {
  margin-bottom: 20px;
  font-size: 1.5rem;
}
.popup-btn, .continue-btn {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 12px;
  background-color: #262626;
  border: 1px solid #444;
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.25s ease;
  font-size: 1rem;
  text-decoration: none;
}
.popup-btn:hover, .continue-btn:hover {
  background-color: #333;
}
.popup-btn.selected {
  background-color: #1e88e5;
  border-color: #1e88e5;
  color: #fff;
}
/* Continue button disabled */
.continue-btn[style="pointer-events: none; opacity: 0.5;"] {
  cursor: not-allowed;
}

/* Close Button */
.close-btn {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 1.6rem;
  color: #999;
  cursor: pointer;
}
.close-btn:hover {
  color: #fff;
}

/* Responsive */
@media (max-width: 500px) {
  .landing h1 {
    font-size: 2rem;
  }
  .primary-btn {
    width: 90%;
  }
}