body {
  font-family: Arial, sans-serif;
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image:
    url('https://i.postimg.cc/k4sMvfNw/Gj-c-LZnak-AAGd-J7.jpg'),
    url('https://i.ibb.co/4g2Wzq1/cryptocurrency-stock-chart-light-futuristic-banner-background-free-vector.jpg');
  background-size: cover, 1px 1px;
  background-repeat: no-repeat, repeat;
  background-position: center center, top left;
}

.container {
  background: rgba(233, 216, 216, 0.9);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  width: 90%;
  max-width: 500px;
}

h1 {
  text-align: center;
  color: #333;
  margin-top: 0;
  font-size: clamp(1.5rem, 4vw, 2rem);
}

label, input, button, .g-recaptcha {
  display: block;
  width: 100%;
  margin: 10px 0;
}

input {
  padding: 10px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  padding: 12px;
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}

button:hover {
  background: #0056b3;
}

#msg, #error {
  display: none;
  text-align: center;
  margin-top: 15px;
  font-size: 1rem;
}

#msg { color: green; }
#error { color: red; }

@media only screen and (max-width: 480px) {
  .container {
    padding: 20px;
  }
  input, button {
    font-size: 0.9rem;
    padding: 8px;
  }
}

@media only screen and (min-width: 768px) {
  .container {
    padding: 40px;
  }
}

.container {
  width: 80%;
  max-width: 400px;
}

@media (max-width: 480px) {
  .container {
    width: 95%;
    max-width: none;
  }
}