/*
 * learn.cliffvest.com — one stylesheet for every page.
 *
 * Tokens and components are the apex site's (cliff repo, site/public/vest-day-checklist/
 * index.html): same ground, ink, accent and box colours, same callout and example box.
 * Extend these rather than adding one-off styles.
 */
:root {
  --ground: #f6f8f6; --ink: #1c2420; --soft: #5c6a64; --line: #e0e5e1; --accent: #1e6b4f;
  --box: #edf2ee;
}
@media (prefers-color-scheme: dark) {
  :root { --ground: #111614; --ink: #e6ebe8; --soft: #93a19a; --line: #2c3531; --accent: #58bd8f; --box: #182019; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--ground); color: var(--ink);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 68ch; margin: 0 auto; padding: 48px 24px 80px; }
a { color: var(--accent); }

/* Brand mark: "From the makers of Cliffvest", linking to the apex. */
.mark { display: flex; align-items: center; gap: 12px; margin-bottom: 36px; font-size: 14px; color: var(--soft); }
.mark svg { width: 28px; height: 28px; flex: none; }
.mark a { color: inherit; text-decoration: none; }
.mark b { color: var(--ink); }
.mark .guides { margin-left: auto; }

h1 { font-size: 30px; line-height: 1.15; letter-spacing: -.02em; margin: 0 0 12px; }
h2 { font-size: 22px; letter-spacing: -.01em; margin: 44px 0 6px; padding-top: 28px; border-top: 1px solid var(--line); }
h3 { font-size: 18px; letter-spacing: -.01em; margin: 30px 0 8px; }
p { margin: 0 0 14px; }
ul, ol { padding-left: 20px; margin: 10px 0 14px; }
li { margin: 6px 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 36px 0; }
.lead { font-size: 18px; margin: 0 0 8px; }
.soft { color: var(--soft); }

/* Markdown blockquotes are the worked examples and CTA boxes: the apex's .example. */
blockquote {
  background: var(--box); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 20px; margin: 18px 0 20px;
}
blockquote > :last-child { margin-bottom: 0; }

table { border-collapse: collapse; margin: 10px 0 14px; width: 100%; }
th, td { text-align: left; padding: 6px 10px 6px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th:empty { border-bottom: 0; }

/* The apex's .callout: used for the draft banner. */
.callout { border-left: 3px solid var(--accent); padding: 2px 0 2px 16px; margin: 0 0 28px; }

/* Guide list on the front page. */
.guides-list { list-style: none; padding: 0; margin: 24px 0 0; }
.guides-list li { margin: 0; padding: 18px 0; border-top: 1px solid var(--line); }
.guides-list a { font-size: 18px; font-weight: 600; text-decoration: none; }
.guides-list p { margin: 6px 0 0; color: var(--soft); }

footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--soft); font-size: 14px; }