.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup-box {
  background-color: #dfb84d;
  padding: 30px;
  border-radius: 10px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  position: relative;
}

.popup-heading {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: bold;
  color: #000;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  font-size: 1rem;
  border: 1px solid #000000;
  border-radius: 5px;
  background-color: transparent;
  color: #000;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(0, 0, 0, 0.4);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #000;
  background-color: rgba(255, 255, 255, 0.5);
}

.btn-book {
  display: inline-block;
  background-color: #000;
  color: #fff;
  font-size: 1.2rem;
  font-weight: bold;
  padding: 12px 30px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin-top: 20px;
}

.btn-book:hover {
  background-color: #fff;
  color: #000;
}

.popup-overlay.show {
  opacity: 1;
  visibility: visible;
}