/* Trifold — shared styles. Self-contained, zero external requests.
   System fonts only: serif display stack for headings, system sans for body. */

:root {
  --paper:      #f4f0e7;
  --paper-card: #faf7f0;
  --ink:        #1c1710;
  --ink-soft:   #5b5346;
  --amber:      #b9791a;
  --amber-soft: #f2e6cf;
  --hairline:   #e3dccd;
  --measure:    680px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 32px 22px 64px;
}

h1, h2, h3, .wordmark {
  font-family: Georgia, "Times New Roman", "Iowan Old Style", serif;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: 0.2px;
}

h1 { font-size: 2.05rem; margin: 0 0 6px; }
h2 { font-size: 1.4rem; margin: 2.2em 0 0.5em; }
h3 { font-size: 1.12rem; margin: 1.6em 0 0.4em; }

p, ul, ol { margin: 0 0 1em; }
ul, ol { padding-left: 1.25em; }
li { margin: 0.3em 0; }

a { color: var(--amber); text-underline-offset: 2px; }
a:hover { color: var(--ink); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--amber);
  margin: 0 0 10px;
}

.lede {
  font-size: 1.18rem;
  color: var(--ink-soft);
  margin: 0 0 1.4em;
}

.meta {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0 0 2em;
}

/* Header / wordmark */
.masthead {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.mark {
  width: 34px; height: 34px;
  flex: 0 0 34px;
}
.wordmark {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}

/* Cards / callouts */
.card {
  background: var(--paper-card);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 1.2em 0;
}
.card.accent {
  border-color: var(--amber-soft);
  background: linear-gradient(180deg, #fcf6ea, var(--paper-card));
}

.note {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* Pills (the three puzzles) */
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 1.4em; }
.pill {
  border: 1px solid var(--hairline);
  background: var(--paper-card);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--amber);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 11px;
}
.btn:hover { background: #a06713; color: #fff; }

/* Footer */
.foot {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.foot a { margin-right: 16px; white-space: nowrap; }

hr { border: none; border-top: 1px solid var(--hairline); margin: 2em 0; }

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #14110b;
    --paper-card: #1e1a12;
    --ink:        #efe7d6;
    --ink-soft:   #b3a890;
    --amber:      #e0a53b;
    --amber-soft: #3a2f17;
    --hairline:   #2c2618;
  }
  .ink-soft { color: var(--ink-soft); }
  h1, h2, h3, .wordmark { color: var(--ink); }
  .card.accent { background: linear-gradient(180deg, #221c12, var(--paper-card)); }
  .btn { color: #1c1710; }
  .btn:hover { background: #f0bb55; color: #1c1710; }
}