:root {
  color-scheme: light;
  --ink: #283f48;
  --blue: #254f60;
  --paper: #fffaf1;
  --ground: #f3e8df;
  --rose: #743e49;
  --petal: #f1dfe0;
  --lake: #e3edf0;
  --sage: #e7ecdf;
  --line: #b79688;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: Georgia, 'Times New Roman', serif; font-size: 18px; line-height: 1.65; }
button { font: inherit; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { color: var(--rose); }
button:hover { color: var(--rose); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--rose); outline-offset: 4px; }
[hidden] { display: none !important; }
.skip-link { position: fixed; top: .5rem; left: 1rem; z-index: 5; padding: .75rem; background: var(--paper); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.masthead { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .8rem; max-width: 1256px; margin: auto; padding: 1.2rem 1.2rem; border-bottom: 1px solid var(--line); }
.home-link { display: block; padding: .35rem 0; font-size: 20px; text-decoration: none; }
.masthead-note { display: block; font-size: 16px; color: var(--ink); }
.index-shortcut { display: inline-flex; align-items: center; gap: .7rem; min-height: 44px; padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 50% 50% 8px 8px / 18px 18px 8px 8px; font-size: 16px; text-decoration: none; }
.guide-main { max-width: 1256px; margin: auto; padding: 1.5rem 1.1rem 0; }
.cover { padding: 1.2rem 0 2rem; border-bottom: 1px solid var(--line); }
.cover-copy { max-width: 840px; }
.path-label { margin: 0 0 .9rem; color: var(--rose); font-size: 16px; letter-spacing: .05em; }
.page-title { max-width: 16ch; margin: 0; font-size: clamp(2.6rem, 6.8vw, 5rem); line-height: 1.08; font-weight: 400; letter-spacing: -.035em; overflow-wrap: normal; }
.page-intro { max-width: 62ch; margin: 1.35rem 0 0; font-size: 20px; line-height: 1.55; }
.start-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.3rem; min-height: 52px; margin-top: 1.5rem; padding: .6rem 1rem; border-radius: 3px 22px 3px 22px; background: var(--blue); color: var(--paper); text-decoration: none; }
.start-link:hover { color: var(--paper); background: var(--rose); }
.reading-layout { display: grid; gap: 2.5rem; padding-top: 1.8rem; }
.reading-body { min-width: 0; max-width: 70ch; }
.conversation-callout { margin: 0 0 2.8rem; padding: 1.4rem 1.4rem 1.5rem; background: var(--petal); border: 1px solid var(--line); border-radius: 0 35px 0 35px; }
.callout-heading { margin: 0 0 .45rem; font-size: 22px; color: var(--rose); line-height: 1.35; }
.callout-answer { margin: 0; font-size: 18px; }
.reading-section { margin-bottom: 2.7rem; }
.section-heading { margin: 0 0 1rem; font-size: 29px; line-height: 1.2; font-weight: 400; color: var(--blue); }
.reading-paragraph { margin: .8rem 0; }
.evidence-pair { margin: 1.2rem 0 1.7rem; border-left: 2px solid var(--line); padding: 0 0 0 1rem; }
.paired-claim { margin: .6rem 0; }
.source-row { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .7rem; }
.source-link { display: inline-flex; align-items: center; min-height: 44px; padding: .5rem 0; font-size: 16px; }
.drawer-trigger { min-height: 44px; padding: .45rem .7rem; background: var(--lake); color: var(--blue); border: 1px solid var(--line); border-radius: 18px 3px 18px 3px; cursor: pointer; font-size: 16px; }
.source-disclosure { margin: .35rem 0 0; font-size: 16px; }
.source-summary { display: list-item; min-height: 44px; padding: .5rem .3rem; color: var(--rose); cursor: pointer; }
.source-note { margin: .2rem 0 .5rem; padding: .6rem .8rem; background: var(--sage); font-size: 16px; }
.question-list { margin: 1rem 0; padding-left: 1.3rem; }
.question-item { margin: .75rem 0; padding-left: .35rem; }
.question-item::marker { color: var(--rose); }
.illustration-frame { display: block; margin: 1.8rem 0; overflow: hidden; min-height: 80px; border: 1px solid var(--line); background: var(--lake); border-radius: 48% 48% 6px 6px / 24% 24% 6px 6px; }
.flat-illustration { display: block; width: 100%; height: auto; color: var(--ink); font-size: 16px; }
.path-turn { display: grid; gap: .8rem; margin-top: 2.3rem; padding-top: 1.3rem; border-top: 1px solid var(--line); }
.previous-link { display: block; min-height: 52px; padding: .7rem 1rem; border: 1px solid var(--line); border-radius: 18px 3px 3px 3px; text-decoration: none; font-size: 18px; }
.next-link { display: block; min-height: 52px; padding: .7rem 1rem; color: var(--paper); background: var(--blue); border-radius: 3px 3px 18px 3px; text-decoration: none; font-size: 18px; }
.next-link:hover { color: var(--paper); background: var(--rose); }
.turn-label { display: block; font-size: 16px; }
.chapter-rail { min-width: 0; padding: 1.3rem 1rem; background: var(--paper); border: 1px solid var(--line); border-radius: 28px 28px 0 0; }
.index-heading { margin: 0; font-size: 26px; font-weight: 400; color: var(--rose); }
.index-invitation { margin: .7rem 0 1.4rem; font-size: 16px; }
.index-stage { margin: 1.2rem .25rem .4rem; font-size: 18px; font-weight: 400; color: var(--rose); }
.chapter-list { margin: 0; padding: 0; list-style: none; }
.chapter-item { border-top: 1px solid #d9c6b9; }
.chapter-link { display: flex; align-items: center; min-height: 48px; padding: .5rem .5rem; font-size: 16px; line-height: 1.4; text-decoration: none; }
.chapter-link[aria-current="page"] { background: var(--lake); border-left: 3px solid var(--blue); padding-left: .65rem; }
.page-footer { display: flex; flex-wrap: wrap; gap: 1.2rem 2rem; justify-content: space-between; align-items: center; max-width: 1256px; margin: 3rem auto 0; padding: 1.8rem 1.2rem 2.4rem; border-top: 1px solid var(--line); }
.footer-description { max-width: 62ch; margin: 0; font-size: 16px; }
.footer-link { display: inline-flex; align-items: center; min-height: 48px; padding: .5rem .8rem; border: 1px solid var(--line); font-size: 16px; }
.evidence-drawer { position: fixed; inset: 0 0 0 auto; width: min(100%, 560px); max-width: 100%; max-height: 100dvh; height: 100dvh; margin: 0; padding: 1.6rem 1.25rem; border: 0; border-left: 2px solid var(--line); background: var(--paper); color: var(--ink); overflow-y: auto; }
.evidence-drawer::backdrop { background: rgb(40 63 72 / .5); }
.drawer-close { display: block; min-height: 48px; padding: .6rem .8rem; margin-left: auto; background: var(--lake); color: var(--blue); border: 1px solid var(--line); font-size: 16px; cursor: pointer; }
.drawer-heading { font-size: 29px; line-height: 1.2; font-weight: 400; color: var(--rose); }
.drawer-claim { font-size: 18px; }
.drawer-note { padding: 1rem; background: var(--sage); font-size: 18px; }
.drawer-source { display: block; min-height: 48px; padding: .6rem 0; font-size: 16px; }
@media (min-width: 760px) {
  .masthead { padding: 1.4rem 2rem; }
  .guide-main { padding: 2rem 2rem 0; }
  .cover { padding: 1rem 0 2.7rem; }
  .reading-layout { grid-template-columns: minmax(220px, 270px) minmax(0, 1fr); align-items: start; gap: 2.7rem; padding-top: 2.5rem; }
  .reading-body { grid-column: 2; grid-row: 1; }
  .chapter-rail { grid-column: 1; grid-row: 1; padding: 1.5rem 1rem; }
  .path-turn { grid-template-columns: 1fr 1fr; }
  .page-footer { padding: 2rem; }
}
@media (min-width: 1040px) {
  .cover-with-art { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); align-items: center; gap: 2.3rem; }
  .cover-with-art .illustration-frame { margin: 0; }
  .page-title { font-size: 4.6rem; }
  .reading-layout { gap: 4rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
@media print {
  body { background: white; color: black; font-size: 18px; }
  .masthead, .chapter-rail, .drawer-trigger, .path-turn, .illustration-frame, .skip-link, .index-shortcut, .start-link, .footer-link { display: none !important; }
  .guide-main { padding: 0; }
  .reading-layout { display: block; }
  .page-title { font-size: 34px; max-width: none; }
  .page-intro { font-size: 20px; }
  .conversation-callout { background: white; border-color: black; }
  .source-disclosure { display: none; }
  .evidence-pair { break-inside: avoid; }
  .question-item { margin: 1.4rem 0; }
}
