body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", sans-serif;
  background: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
}

.container {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  max-width: 400px;
  width: 90%;
  position: relative;
}

.brand {
  font-size: 28px;
  font-weight: bold;
  color: #1877f2;
  margin-bottom: 15px;
  letter-spacing: 1px;
}

h1 {
  color: #333;
  font-size: 24px;
  margin-bottom: 10px;
}

p {
  color: #555;
  margin-bottom: 20px;
}

.qr-section img {
  width: 150px;
  margin-bottom: 10px;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}

.social-links a {
  display: inline-block;
  padding: 10px;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
}

.social-links .fb {
  background: #1877f2;
}

.social-links .ig {
  background: #e1306c;
}

.social-links .wa {
  background: #25d366;
}

@media (max-width: 480px) {
  .container {
    padding: 20px;
  }

  .qr-section img {
    width: 120px;
  }

  .brand {
    font-size: 22px;
  }
}