body {
  background: linear-gradient(to bottom, #121212, #222);
  font-family: Arial, sans-serif;
  color: gold;
  text-align: center;
  padding: 2rem;
}
.container {
  max-width: 500px;
  margin: auto;
}
input {
  display: block;
  width: 80%;
  padding: 10px;
  margin: 10px auto;
  border-radius: 5px;
  border: none;
}
button {
  padding: 10px 20px;
  border: none;
  background: gold;
  color: #000;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
}
.planos-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 600px;
  margin: auto;
}
.plano {
  background: #1c1c1c;
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}
.plano img {
  width: 100%;
  border-radius: 1rem;
  margin-bottom: 1rem;
}
.btn-plano {
  background: gold;
  border: none;
  color: #000;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}
.btn-plano:hover {
  background: #ffe066;
}