body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f5f5;
  color: #222;
}

header {
  background: #111;
  color: white;
  padding: 32px 20px;
  text-align: center;
}

header h1 {
  margin: 0 0 10px 0;
  font-size: 32px;
}

header p {
  margin: 0;
  font-size: 16px;
}

main {
  max-width: 900px;
  margin: 30px auto;
  padding: 0 20px;
}

.card {
  background: white;
  padding: 24px;
  margin-bottom: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.card h2 {
  margin-top: 0;
}

.card a {
  display: inline-block;
  margin-top: 10px;
  background: #111;
  color: white;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 6px;
}

footer {
  text-align: center;
  color: #777;
  padding: 30px 20px;
  font-size: 14px;
}