body {
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue", sans-serif;
  background: linear-gradient(to right, #e0f7fa, #fff3e0);
  color: #333;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

h1 {
  font-size: 48px;
  margin-bottom: 10px;
  color: #00796b;
}

p {
  font-size: 20px;
  margin-top: 0;
  color: #555;
}

.btn {
  margin-top: 30px;
  padding: 12px 24px;
  background-color: #00796b;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.btn:hover {
  background-color: #004d40;
}

footer {
  position: absolute;
  bottom: 20px;
  font-size: 14px;
  color: #888;
}