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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  line-height: 1.6;
}

header {
  padding: 2rem;
  border-bottom: 1px solid #e5e5e5;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.hero h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: #555;
}

footer {
  padding: 2rem;
  border-top: 1px solid #e5e5e5;
  text-align: center;
  color: #888;
  font-size: 0.875rem;
}