body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #e5e7eb;
}

header {
  padding: 16px 24px;
  background: #020617;
  border-bottom: 1px solid #1f2937;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

h1 {
  margin: 0;
  font-size: 20px;
}

nav a {
  color: #93c5fd;
  margin-left: 16px;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 16px;
}

h2 {
  font-size: 24px;
  margin-bottom: 12px;
}

p {
  line-height: 1.6;
  margin-top: 0;
}

footer {
  margin-top: 40px;
  padding: 16px 24px;
  border-top: 1px solid #1f2937;
  text-align: center;
  font-size: 14px;
  color: #9ca3af;
}