:root { --bg: #F5F2EB; --surface: #FCFBF8; --border: #DCD5C7; --text: #15232C; --muted: #4A5761;
  --navy: #133F57; --note-bg: #FFF6D9; --note-border: #B99A2E; --note-text: #4D3F12; }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.55;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; font-size: 1.0625rem; }
a { color: var(--navy); text-underline-offset: 0.15em; }
a:focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--navy); color: #fff;
  padding: 0.5rem 0.875rem; border-radius: 6px; }
.skip:focus { top: 1rem; outline-color: #fff; }
.env { max-width: none; margin: 0; padding: 0.625rem 1.25rem; background: var(--note-bg); color: var(--note-text);
  border-bottom: 1px solid var(--note-border); font-size: 0.9375rem; text-align: center; }
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
header { padding-top: 2rem; }
.wordmark { margin: 0; font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; color: var(--navy); }
main { padding-top: 4.5rem; padding-bottom: 4.5rem; }
main:focus { outline: none; }
h1 { margin: 0 0 1rem; font-size: clamp(1.875rem, 1.3rem + 2.4vw, 2.75rem); line-height: 1.12;
  letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0 0 1rem; max-width: 60ch; }
.lede { font-size: 1.1875rem; color: var(--muted); }
dl { margin: 2.5rem 0 0; padding: 1.25rem 1.5rem; background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; display: grid; grid-template-columns: max-content 1fr; gap: 0.5rem 1.5rem;
  font-size: 0.9375rem; }
dt { color: var(--muted); }
dd { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
footer { padding-bottom: 3rem; font-size: 0.9375rem; color: var(--muted); }