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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1a1a1a;
  background: #fafafa;
  line-height: 1.6;
  padding: 0 1.5rem;
}

main {
  max-width: 680px;
  margin: 0 auto;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: #666;
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover {
  color: #1a1a1a;
}

.home {
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.app-icon {
  display: block;
  margin: 0 auto 1.5rem;
  border-radius: 28px;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

h3 {
  font-size: 1.05rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.25rem;
}

.subtitle {
  color: #666;
  margin-bottom: 2rem;
}

a {
  color: #1a1a1a;
}