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

.offer-modal-content {
  background: #fff;
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  text-align: left;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.offer-modal-content h2 {
  margin-top: 0;
  color: #d32f2f;
}

.offer-modal-content input,
.offer-modal-content textarea {
  width: 100%;
  margin-top: 8px;
  margin-bottom: 15px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-family: inherit;
}

.offer-close {
  float: right;
  font-size: 22px;
  cursor: pointer;
  color: #aaa;
}

.offer-close:hover {
  color: #000;
}