body {
  background: radial-gradient(circle at center, #0b0c10 60%, #000);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  margin: 0;
  text-align: center;
}

.header {
  background: linear-gradient(90deg, #00111f, #012a46);
  padding: 20px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.6);
}
.header img {
  width: 180px;
  border-radius: 12px;
  margin-bottom: 10px;
}
.header h1 {
  font-size: 28px;
  color: #00bfff;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0;
}

.container {
  background: #101010;
  padding: 35px;
  border-radius: 15px;
  width: 400px;
  margin: 30px auto;
  box-shadow: 0 0 20px rgba(0,255,255,0.2);
}

input, button, textarea {
  width: 100%;
  margin: 10px 0;
  padding: 12px;
  border-radius: 8px;
  border: none;
  outline: none;
  font-size: 15px;
}

input, textarea {
  background: #1c1c1c;
  color: #fff;
}

button {
  background: #00ff62;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
}
button:hover {
  background: #00cc4f;
}

.info {
  font-size: 13px;
  color: #b3b3b3;
  margin-bottom: 15px;
}

.whatsapp {
  display: block;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  padding: 12px;
  border-radius: 10px;
  margin-top: 25px;
  font-weight: bold;
  transition: 0.2s;
}
.whatsapp:hover {
  background: #1ebd59;
}

footer {
  color: #888;
  font-size: 12px;
  margin-bottom: 20px;
}