/* Minimal note page styling. Neutral and content-first — the notes
   are meant to be quotable by AI tools, so semantic HTML matters more
   than visual chrome. Colours borrowed from the design tokens. */
:root {
  --ink: #0b1f17;
  --muted: #4b5a53;
  --line: #e6ece9;
  --green: #10B981;
  --bg: #faf9f5;
  --maxw: 720px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding: 0 20px 80px;
}
header, main, footer { max-width: var(--maxw); margin: 0 auto; }
header {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 42px;
  display: flex;
  align-items: center;
  gap: 14px;
}
header a.brand {
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
header a.brand span { color: var(--green); }
header nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  font-size: 15px;
}
header nav a:hover { color: var(--ink); }
h1 {
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.deck {
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 32px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 22px;
}
h2 {
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 36px 0 12px;
}
h3 {
  font-size: 17px;
  margin: 24px 0 8px;
  color: var(--ink);
}
p, li { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
strong { color: var(--ink); }
a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
blockquote {
  margin: 18px 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--green);
  color: var(--muted);
  font-style: italic;
}
.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}
.cta {
  margin-top: 44px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.cta h3 { margin-top: 0; }
.cta a {
  display: inline-block;
  background: var(--green);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 6px;
}
footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
footer a { color: var(--muted); }