body {
  background: url("../images/back.jpg") no-repeat center center fixed;
  background-size: cover;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.gateway-card {
  max-width: 500px;
  width: 100%;
  border-radius: 20px;
  padding: 30px;
  background: rgba(
    255,
    255,
    255,
    0.9
  ); /* Slight transparency for better blending */
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}
.form-select {
  border-radius: 12px;
  padding: 12px;
  font-size: 1rem;
}
.btn-continue {
  background: #e53935;
  color: #fff;
  border-radius: 12px;
  font-weight: 600;
  transition: 0.3s;
}
.btn-continue:hover {
  background: #b71c1c;
}
footer {
  position: fixed;
  bottom: 15px;
  width: 100%;
  text-align: center;
  font-size: 0.9rem;
  color: #333;
}