body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f6fa;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.hero {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  color: white;
  padding: 80px 20px;
  text-align: center;
}

.section {
  padding: 60px 0;
}

.section.alt {
  background: #ffffff;
}

.center {
  text-align: center;
}

footer {
  text-align: center;
  padding: 20px;
  background: #111;
  color: #aaa;
}