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

body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background: #1a1a2e;
  padding: 1rem 2rem;
}

nav .logo {
  color: #fff;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: bold;
}

main {
  flex: 1;
  padding: 2rem;
}

.hero {
  max-width: 800px;
  margin: 4rem auto;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

footer {
  background: #1a1a2e;
  color: #aaa;
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
}