:root {
  --paper: #eef2ec;
  --sheet: #fbfcfa;
  --ink: #1b2421;
  --pine: #1f3b33;
  --muted: #5b6b65;
  --rule: #cdd6cf;
  --saffron: #d99a1e;
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "Source Serif 4", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121a17;
    --sheet: #18221e;
    --ink: #e6ece8;
    --pine: #9fd0bd;
    --muted: #94a59e;
    --rule: #2c3a34;
    --saffron: #e7ac3a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.65 var(--body);
}
a { color: var(--pine); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--saffron); outline-offset: 3px; }
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }

.masthead { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 40px; }
.brand { font: 700 20px/1 var(--display); letter-spacing: -0.01em; color: var(--pine); text-decoration: none; }
.brand span { color: var(--saffron); }
.masthead nav a { font: 500 14px/1 var(--display); margin-left: 16px; color: var(--muted); text-decoration: none; }
.masthead nav a:hover { color: var(--pine); }

/* Signature: the memo slip */
.memo {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-top: 6px solid var(--pine);
  padding: 28px 28px 32px;
}
.memo dl { display: grid; grid-template-columns: 64px 1fr; gap: 6px 12px; margin: 0 0 24px; padding-bottom: 20px; border-bottom: 1px dashed var(--rule); font: 13px/1.5 var(--mono); }
.memo dt { color: var(--muted); letter-spacing: 0.08em; }
.memo dd { margin: 0; overflow-wrap: anywhere; }
h1 { font: 700 clamp(34px, 7vw, 54px)/1.04 var(--display); letter-spacing: -0.025em; margin: 0 0 18px; color: var(--pine); }
h1 em { font-style: normal; background: linear-gradient(transparent 62%, color-mix(in srgb, var(--saffron) 45%, transparent) 62%); }
.lede { font-size: 20px; margin: 0; }

section { margin-top: 44px; }
h2 { font: 600 22px/1.3 var(--display); color: var(--pine); margin: 0 0 12px; }
h3 { font: 600 17px/1.4 var(--display); margin: 24px 0 6px; }
ul.plain { padding-left: 20px; }
ul.plain li { margin-bottom: 8px; }
.note { font-size: 15px; color: var(--muted); }

footer { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--rule); font: 13px/1.6 var(--mono); color: var(--muted); }
footer a { color: var(--muted); margin-right: 14px; }

@media (max-width: 520px) {
  .wrap { padding-top: 28px; }
  .masthead { flex-direction: column; gap: 10px; }
  .masthead nav a { margin: 0 14px 0 0; }
  .memo { padding: 22px 18px 24px; }
  body { font-size: 17px; }
}