* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, sans-serif;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #0a1224, #0e1a35);
  color: #ffffff;
}

.header {
  padding: 24px;
  text-align: center;
}

.logo {
  font-size: 28px;
  font-weight: 700;
}

.subtitle {
  color: #8fb9ff;
  margin-top: 6px;
}

.card {
  background: #121f3f;
  margin: 16px;
  padding: 20px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.card h2 {
  margin-top: 0;
  color: #9ec5ff;
}

.card ul {
  padding-left: 0;
  list-style: none;
}

.card li {
  margin-bottom: 8px;
}

.highlight {
  border: 1px solid #2e6bff;
}

.footer {
  text-align: center;
  padding: 20px;
  color: #6f8fcf;
  font-size: 14px;
}