:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #212529;
  background: #f8f9fa;
  font-size: 17px;
  line-height: 1.75;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
body { margin: 0; }
main {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 32px 72px;
  overflow-wrap: anywhere;
}
header {
  border-bottom: 1px solid #d1d5db;
  padding-bottom: 24px;
  margin-bottom: 36px;
}
h1, h2, h3 { line-height: 1.4; color: #212529; }
h1 { margin: 0 0 20px; font-size: 2rem; font-weight: 750; letter-spacing: .015em; }
h2 { margin: 0 0 18px; font-size: 1.18rem; font-weight: 700; }
h3 { margin: 24px 0 12px; font-size: 1.04rem; font-weight: 650; }
p { margin: 0 0 18px; }
.identity { margin: 0; color: #374151; }
section { margin: 0 0 34px; }
section:last-child { margin-bottom: 0; }
a { color: #334155; text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: #111827; }
a:focus-visible { outline: 3px solid #475569; outline-offset: 4px; border-radius: 3px; }
@media (max-width: 520px) {
  :root { font-size: 16px; }
  main { padding: 28px 20px 44px; }
  h1 { font-size: 1.65rem; }
  h2 { font-size: 1.14rem; }
  header { margin-bottom: 28px; }
}
@media print {
  :root { color: #000; background: #fff; font-size: 11pt; }
  main { max-width: none; padding: 0; }
  h2, h3 { break-after: avoid; }
  p { orphans: 3; widows: 3; }
}
