* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background-color: #f7f3fb;
}

.site-header {
  background-color: #652d90;
  color: #fff;
  padding: 40px 20px;
  text-align: center;
}

main { max-width: 900px; margin: 0 auto; padding: 40px 20px; }

.cards { display: flex; gap: 20px; flex-wrap: wrap; }

.card {
  background: #fff;
  border: 1px solid #e2d6ef;
  border-radius: 8px;
  padding: 20px;
  flex: 1;
  min-width: 220px;
  box-shaddow: 0 1px 3px rgba(101, 45, 144, 0.18);
}

.card h3 { color: #652d90; margin-bottom: 8px; }