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

.hero {
  padding: 4rem 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.intro {
  margin-bottom: 2rem;
}

.cta {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  background: #1a1a1a;
  color: #ffffff;
  text-decoration: none;
  border-radius: 4px;
}

.cta.secondary {
  margin-top: 1rem;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  margin-bottom: 3rem;
}

ul {
  padding-left: 1.25rem;
}

.notify input,
.notify button {
  display: block;
  margin-top: 0.75rem;
}

footer {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  font-size: 0.85rem;
  color: #555;
}

.small {
  font-size: 0.9rem;
}

.tiny {
  font-size: 0.75rem;
  color: #666;
}