* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  background: #0f1115;
  color: #e6e6e6;
  line-height: 1.6;
}

header {
  padding: 2rem;
  border-bottom: 1px solid #222;
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
}

nav {
  margin-top: 0.5rem;
}

nav a {
  margin-right: 1rem;
  color: #8ab4f8;
  text-decoration: none;
}

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

main {
  padding: 2rem;
  max-width: 900px;
}

.hero {
  margin-bottom: 2rem;
}

h2, h3 {
  color: #ffffff;
}

ul {
  padding-left: 1.2rem;
}

footer {
  padding: 2rem;
  border-top: 1px solid #222;
  text-align: center;
  font-size: 0.9rem;
  color: #888;
}