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

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  line-height: 1.5;
  color: #1a1a1a;
  background: #f5f4f1;
}

.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.header {
  background: #1a1a24;
  color: #fff;
  padding: 2rem 0;
}

.header h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
}

.tagline {
  margin: 0.35rem 0 0;
  opacity: 0.85;
  font-size: 0.95rem;
}

.main {
  padding: 2rem 0 3rem;
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem 1.35rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.card p {
  margin: 0.6rem 0;
}

.muted {
  color: #555;
  font-size: 0.9rem;
}

.prose h2 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.15rem;
}

.prose p,
.prose ul {
  margin: 0.65rem 0;
}

.prose ul {
  padding-left: 1.25rem;
}

.last-updated {
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 0.5rem 1rem;
  background: #1a1a24;
  color: #fff !important;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.95rem;
}

.btn:hover {
  opacity: 0.92;
}

.footer {
  padding: 1.5rem 0 2rem;
  font-size: 0.85rem;
  color: #666;
  text-align: center;
}

a {
  color: #0b5fff;
}

a:hover {
  text-decoration: underline;
}