:root {
  --text-color: #1a1a1a;
  --bg-color: #ffffff;
  --accent-color: #1e3a8a;
  --muted-color: #4b5563;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
}

.page-header {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
  border-bottom: 1px solid #e5e7eb;
}

.page-header h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.page-header .app-name {
  margin: 0;
  color: var(--muted-color);
  font-size: 1rem;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
}

section {
  margin-bottom: 1.75rem;
}

h2 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
  color: var(--accent-color);
}

p {
  margin: 0 0 0.75rem;
}

ul {
  margin: 0 0 0.75rem 1.25rem;
  padding: 0;
}

li {
  margin-bottom: 0.5rem;
}

a {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.effective-date {
  font-weight: bold;
}

@media (max-width: 600px) {
  main {
    padding: 1.25rem 1rem 2rem;
  }

  .page-header h1 {
    font-size: 1.75rem;
  }
}