@layer reset, palette, type, frame, hero, reading, paper, sources, access, small-screen, print;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: auto; }
  body, h1, h2, h3, p, figure { margin: 0; }
  button, input { font: inherit; }
  button, a, label { -webkit-tap-highlight-color: transparent; }
  img { display: block; max-inline-size: 100%; }
  [hidden] { display: none !important; }
}

@layer palette {
  :root {
    color-scheme: light;
    --cream: #f7f2e8;
    --white: #fffcf6;
    --ink: #292333;
    --quiet-ink: #51475c;
    --violet: #64417f;
    --violet-hover: #503267;
    --lavender: #e2d5eb;
    --pale-lavender: #eee5f2;
    --stone: #ece6d8;
    --rule: #b6a7bc;
    --display: 'Avenir Next Condensed', 'DIN Condensed', 'Arial Narrow', sans-serif;
    --book: Palatino, 'Palatino Linotype', 'Book Antiqua', Georgia, serif;
  }
}

@layer type {
  body {
    background: var(--cream);
    color: var(--ink);
    font-family: var(--book);
    font-size: 19px;
    font-weight: 400;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3 { font-family: var(--display); font-weight: 700; text-wrap: balance; }
  h1 { line-height: 1.02; letter-spacing: -0.018em; }
  h2 { font-size: clamp(2.5rem, 3.8vw, 3.5rem); line-height: 1.08; letter-spacing: -0.012em; }
  h3 { font-size: 1.9rem; line-height: 1.18; }
  .check-entry-heading, .question-entry-heading { font: inherit; letter-spacing: inherit; text-wrap: inherit; }
  p { text-wrap: pretty; }
  a { color: var(--violet); text-decoration-thickness: 1.5px; text-underline-offset: 0.2em; overflow-wrap: anywhere; }
  a:hover { color: var(--violet-hover); text-decoration-thickness: 2.5px; }
  button { font-family: inherit; font-size: 1rem; cursor: pointer; }
  button:disabled { cursor: default; }
  ::selection { color: var(--ink); background: var(--lavender); }
}

@layer frame {
  .site-header { max-inline-size: 1240px; margin-inline: auto; padding: 22px 48px; border-block-end: 6px solid var(--lavender); }
  .split-navigation { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; }
  .header-start { justify-self: start; display: inline-flex; min-block-size: 48px; align-items: center; padding-inline: 14px; font-size: 1.05rem; }
  .header-next { justify-self: end; display: inline-flex; min-block-size: 48px; align-items: center; gap: 20px; padding-inline: 14px; font-size: 1.05rem; }
  .header-start[aria-current], .header-next[aria-current] { font-weight: 700; }
  .masthead { display: flex; flex-direction: column; align-items: center; justify-content: center; min-block-size: 64px; color: var(--ink); text-decoration: none; }
  .masthead-place { font-family: var(--display); font-weight: 700; font-size: 2.15rem; line-height: 1; }
  .masthead-purpose { color: var(--quiet-ink); font-size: 1rem; line-height: 1.5; }
  .nav-arrow { font-size: 1.3rem; }
  .page-main { max-inline-size: 1240px; margin-inline: auto; padding-inline: 48px; }
  .site-footer { max-inline-size: 1240px; margin-inline: auto; display: grid; grid-template-columns: 1fr auto; gap: 12px 48px; padding: 40px 48px; background: var(--stone); }
  .footer-home { display: flex; align-items: center; min-block-size: 48px; font-size: 1.2rem; }
  .footer-note { grid-row: 2; max-inline-size: 65ch; color: var(--quiet-ink); font-size: 1rem; }
  .footer-source { display: flex; gap: 20px; align-items: center; min-block-size: 48px; padding-inline: 12px; font-size: 1rem; }
  .link-arrow { flex: 0 0 auto; font-size: 1.3rem; line-height: 1; }
}

@layer hero {
  .home-hero { display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: center; padding-block: 64px; }
  .hero-copy { min-inline-size: 0; }
  .hero-eyebrow { color: var(--violet); font-size: 1.1rem; line-height: 1.5; margin-block-end: 22px; }
  .home-heading { font-size: clamp(3.5rem, 5.9vw, 5rem); max-inline-size: 17ch; }
  .heading-turn { font-weight: 700; font-style: normal; color: var(--violet); }
  .hero-lead { color: var(--quiet-ink); max-inline-size: 43ch; margin-block-start: 26px; font-size: 1.2rem; }
  .hero-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; margin-block-start: 28px; }
  .start-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; min-block-size: 56px; max-inline-size: 100%; padding: 13px 24px; border: 2px solid var(--violet); border-radius: 0; background: var(--violet); color: var(--white); text-decoration: none; font-size: 1.05rem; }
  .start-link:hover { color: var(--white); background: var(--violet-hover); border-color: var(--violet-hover); text-decoration: underline; }
  .list-link { display: inline-flex; align-items: center; gap: 24px; min-block-size: 48px; padding: 8px 4px; font-size: 1.05rem; }
  .desk-scene { min-inline-size: 0; padding: 24px; background: var(--lavender); }
  .desk-image { inline-size: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 50%; }
  .desk-caption { margin-block-start: 22px; color: var(--ink); font-size: 1.05rem; line-height: 1.5; text-align: center; }
  .question-hero { padding: 48px; margin-block: 48px 32px; background: var(--lavender); }
  .question-heading { font-size: clamp(3.5rem, 5.5vw, 4.8rem); max-inline-size: 24ch; }
  .question-lead { margin-block-start: 26px; max-inline-size: 57ch; color: var(--quiet-ink); font-size: 1.2rem; }
  .back-link { display: inline-flex; align-items: center; gap: 24px; margin-block-start: 20px; min-block-size: 48px; padding-block: 10px; font-size: 1.05rem; }
  .missing-main { max-inline-size: 1100px; padding: 64px 48px 48px; margin-inline: auto; }
  .missing-heading { font-size: clamp(3.5rem, 6vw, 5.5rem); max-inline-size: 20ch; }
  .missing-text { max-inline-size: 50ch; margin-block-start: 28px; color: var(--quiet-ink); }
  .missing-actions { display: flex; gap: 24px; flex-wrap: wrap; margin-block: 32px 64px; }
}

@layer reading {
  .reading-controls { display: flex; justify-content: space-between; align-items: center; gap: 20px; background: var(--stone); padding: 20px 24px; margin-block-end: 64px; }
  .language-button, .print-button { display: flex; align-items: center; gap: 20px; min-block-size: 48px; border: 2px solid var(--violet); border-radius: 0; background: var(--white); color: var(--ink); padding: 10px 16px; }
  .toggle-mark { position: relative; flex: 0 0 auto; inline-size: 36px; block-size: 20px; border-radius: 12px; background: var(--quiet-ink); }
  .toggle-mark::before { content: ''; position: absolute; inline-size: 14px; block-size: 14px; inset-block-start: 3px; inset-inline-start: 3px; border-radius: 50%; background: var(--white); }
  .language-button[aria-pressed='true'] .toggle-mark { background: var(--violet); }
  .language-button[aria-pressed='true'] .toggle-mark::before { inset-inline-start: 19px; }
  .reading-hint { color: var(--quiet-ink); font-size: 1.05rem; }
  .care-content { margin-inline: auto; }
  .basics-section { display: grid; grid-template-columns: 0.85fr 1.4fr; gap: 64px; padding-block-end: 72px; }
  .section-heading { align-self: start; padding: 30px; background: var(--lavender); }
  .section-kicker { font-size: 1.05rem; color: var(--violet); margin-block-end: 16px; }
  .basics-heading { max-inline-size: 16ch; }
  .basics-answers { min-inline-size: 0; max-inline-size: 65ch; }
  .basic-answer + .basic-answer { margin-block-start: 32px; padding-block-start: 32px; border-block-start: 2px solid var(--lavender); }
  .basic-question { margin-block-end: 16px; }
  .answer-text { margin-block-start: 12px; max-inline-size: 67ch; }
  .term-note { font-size: 1rem; color: var(--quiet-ink); margin-block: 16px; padding-inline-start: 16px; border-inline-start: 4px solid var(--violet); max-inline-size: 65ch; line-height: 1.65; }
  .stop-panel { display: grid; grid-template-columns: 0.8fr 1.3fr; gap: 14px 60px; margin-block: 64px; padding: 44px; background: var(--lavender); }
  .stop-kicker { grid-column: 1; color: var(--violet); font-size: 1.05rem; }
  .stop-heading { grid-column: 1; grid-row: 2 / span 4; max-inline-size: 14ch; }
  .stop-text { grid-column: 2; max-inline-size: 64ch; }
  .stop-text + .stop-text { margin-block-start: 12px; }
  .stop-close { grid-column: 2; color: var(--quiet-ink); max-inline-size: 64ch; margin-block-start: 12px; }
  .care-route { max-inline-size: 68ch; margin-inline-start: auto; padding-block-end: 64px; }
  .route-heading { margin-block-end: 24px; }
  .route-text { margin-block-start: 16px; }
  .local-note { color: var(--quiet-ink); font-size: 1rem; margin-block-start: 16px; }
  .next-ribbon { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 28px 32px; background: var(--stone); }
  .next-copy { color: var(--quiet-ink); font-size: 1.1rem; }
  .next-link { display: inline-flex; min-block-size: 54px; align-items: center; gap: 28px; padding: 10px 4px; font-size: 1.05rem; }
  .question-pause { max-inline-size: 68ch; margin: 48px auto; padding-inline-start: 28px; border-inline-start: 8px solid var(--lavender); }
  .pause-heading { font-size: 2.4rem; margin-block-end: 16px; }
  .pause-text { color: var(--quiet-ink); }
}

@layer paper {
  .first-sheet { background: var(--pale-lavender); padding: 48px 56px; scroll-margin-block-start: 24px; }
  .sheet-heading { max-inline-size: 66ch; padding-block-end: 32px; border-block-end: 4px solid var(--violet); }
  .sheet-kicker { font-size: 1.05rem; color: var(--violet); margin-block-end: 14px; }
  .sheet-title { max-inline-size: 24ch; }
  .sheet-lead { margin-block-start: 20px; color: var(--quiet-ink); font-size: 1.05rem; }
  .check-entry { padding-block: 28px; border-block-end: 1px solid var(--rule); }
  .check-entry:last-child { padding-block-end: 4px; border-block-end: 0; }
  .check-label { display: flex; align-items: center; gap: 18px; min-block-size: 56px; cursor: pointer; }
  .check-input, .question-input { flex: 0 0 auto; inline-size: 44px; block-size: 44px; accent-color: var(--violet); margin: 0; }
  .check-title { font-family: var(--display); font-weight: 600; font-size: 1.9rem; line-height: 1.2; }
  .check-prose { margin-inline-start: 62px; max-inline-size: 65ch; }
  .record-link { display: inline-flex; align-items: center; gap: 20px; min-block-size: 50px; padding-block: 12px; font-size: 1.05rem; max-inline-size: 100%; }
  .question-content { margin-inline: auto; max-inline-size: 960px; }
  .question-sheet { background: var(--white); padding: 42px 48px; margin-block-end: 32px; border-block-start: 12px solid var(--lavender); }
  .question-sheet:nth-child(2) { background: var(--pale-lavender); border-color: var(--violet); }
  .question-sheet:nth-child(3) { background: var(--stone); }
  .question-group-heading { border-block-end: 2px solid var(--rule); padding-block-end: 24px; }
  .question-group-title { font-size: 2.6rem; }
  .question-entry { margin-block-start: 24px; }
  .question-label { display: flex; align-items: center; gap: 18px; min-block-size: 56px; cursor: pointer; }
  .question-text { font-size: 1.2rem; line-height: 1.5; }
  .note-rule { margin: 10px 0 0 62px; block-size: 30px; border-block-end: 1px solid var(--rule); }
  .question-context { margin-block-start: 28px; }
  .context-text { margin-block-start: 18px; max-inline-size: 65ch; color: var(--quiet-ink); }
  .question-sheet .term-note { margin-inline-start: 62px; }
  .cost-panel { background: var(--lavender); padding: 42px 48px; margin-block-end: 32px; }
  .cost-kicker { color: var(--violet); font-size: 1.05rem; margin-block-end: 14px; }
  .cost-heading { font-size: 2.6rem; max-inline-size: 26ch; margin-block-end: 24px; }
  .cost-text { margin-block-start: 16px; max-inline-size: 65ch; }
  .cost-close { margin-block-start: 24px; color: var(--quiet-ink); max-inline-size: 65ch; }
}

@layer sources {
  .source-drawer { margin-block: 40px 56px; background: var(--pale-lavender); scroll-margin-block-start: 24px; }
  .source-handle { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-block-size: 68px; padding: 20px 28px; cursor: pointer; font-size: 1.15rem; list-style: none; }
  .source-handle::-webkit-details-marker { display: none; }
  .drawer-mark { font-size: 1.8rem; color: var(--violet); }
  .source-drawer[open] .drawer-mark { transform: rotate(45deg); }
  .source-drawer[open] .source-handle { border-block-end: 2px solid var(--rule); }
  .source-body { display: grid; grid-template-columns: 0.75fr 1.4fr; gap: 48px; padding: 28px; }
  .source-intro { font-size: 1.05rem; color: var(--quiet-ink); max-inline-size: 28ch; }
  .source-list { margin: 0; padding: 0; list-style: none; min-inline-size: 0; }
  .source-item + .source-item { border-block-start: 1px solid var(--rule); }
  .source-link { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-block-size: 52px; padding-block: 14px; font-size: 1.05rem; }
}

@layer access {
  :focus-visible { outline: 3px solid var(--violet); outline-offset: 5px; }
  .start-link:focus-visible { outline-offset: 5px; box-shadow: 0 0 0 2px var(--white); }
  .skip-link { position: absolute; inset-block-start: 12px; inset-inline-start: 12px; transform: translateY(-180%); z-index: 10; display: inline-flex; align-items: center; min-block-size: 48px; padding: 10px 20px; background: var(--white); font-size: 1rem; }
  .skip-link:focus-visible { transform: none; }
  .check-label:has(:checked) .check-title, .question-label:has(:checked) .question-text { text-decoration: underline; text-decoration-color: var(--violet); text-underline-offset: 0.22em; }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  }
}

@layer small-screen {
  @media (max-width: 1000px) {
    .home-hero { gap: 32px; }
    .home-heading { font-size: 3.7rem; }
    .desk-scene { padding: 18px; }
    .basics-section { gap: 32px; grid-template-columns: 0.85fr 1.4fr; }
    .section-heading { padding: 24px; }
    .first-sheet { padding: 40px; }
    .stop-panel { gap: 14px 32px; padding: 32px; }
    .source-body { gap: 32px; }
  }
  @media (max-width: 700px) {
    body { font-size: 18px; }
    h2 { font-size: 2.65rem; }
    h3 { font-size: 1.8rem; }
    .site-header { padding: 16px 20px; }
    .split-navigation { grid-template-columns: 1fr 1fr; gap: 8px 16px; }
    .masthead { grid-column: 1 / -1; grid-row: 1; }
    .masthead-place { font-size: 2rem; }
    .header-start { padding-inline: 0; }
    .header-next { padding-inline: 0; gap: 14px; }
    .page-main { padding-inline: 20px; }
    .home-hero { grid-template-columns: 1fr; gap: 32px; padding-block: 36px 32px; }
    .hero-eyebrow { margin-block-end: 18px; font-size: 1.05rem; }
    .home-heading { font-size: clamp(2.8rem, 12.8vw, 3.9rem); max-inline-size: 17ch; }
    .hero-lead { font-size: 1.15rem; margin-block-start: 22px; }
    .hero-actions { margin-block-start: 24px; gap: 8px; }
    .start-link { inline-size: 100%; font-size: 1.05rem; padding-inline: 18px; gap: 20px; }
    .desk-scene { inline-size: 100%; padding: 22px; }
    .desk-image { aspect-ratio: 4 / 3; border-radius: 48% 48% 45% 45%; }
    .desk-caption { margin-block-start: 18px; }
    .question-hero { padding: 28px 22px; margin-block: 28px; }
    .question-heading { font-size: clamp(2.6rem, 11vw, 3.5rem); }
    .question-lead { font-size: 1.15rem; margin-block-start: 22px; }
    .reading-controls { flex-wrap: wrap; gap: 16px; padding: 20px; margin-block-end: 40px; }
    .reading-hint { inline-size: 100%; }
    .language-button, .print-button { inline-size: 100%; justify-content: space-between; }
    .basics-section { grid-template-columns: 1fr; gap: 32px; padding-block-end: 44px; }
    .section-heading { padding: 28px; }
    .basics-heading { max-inline-size: 20ch; }
    .first-sheet { padding: 28px 22px; }
    .sheet-heading { padding-block-end: 24px; }
    .check-entry { padding-block: 22px; }
    .check-label { align-items: flex-start; gap: 14px; padding-block: 8px; }
    .check-input { margin-block-start: 3px; }
    .check-title { font-size: 1.7rem; }
    .check-prose { margin-inline-start: 0; }
    .check-prose .answer-text { margin-block-start: 16px; }
    .term-note { margin-inline: 0; }
    .stop-panel { display: block; margin-block: 44px; padding: 28px 22px; }
    .stop-kicker { margin-block-end: 16px; }
    .stop-heading { max-inline-size: 20ch; margin-block-end: 24px; }
    .stop-text, .stop-close { margin-block-start: 18px; }
    .care-route { padding-block-end: 40px; }
    .next-ribbon { display: block; padding: 24px; }
    .next-link { margin-block-start: 10px; }
    .question-sheet { padding: 28px 22px; }
    .question-group-title { font-size: 2.3rem; }
    .question-entry { margin-block-start: 20px; }
    .question-label { gap: 14px; align-items: flex-start; padding-block: 8px; }
    .question-input { margin-block-start: 3px; }
    .question-text { font-size: 1.15rem; }
    .question-sheet .term-note { margin-inline-start: 0; }
    .note-rule { margin-inline-start: 58px; }
    .cost-panel { padding: 28px 22px; }
    .cost-heading { font-size: 2.3rem; }
    .question-pause { margin-block: 40px; padding-inline-start: 20px; }
    .source-drawer { margin-block: 32px 40px; }
    .source-handle { padding: 18px 22px; }
    .source-body { grid-template-columns: 1fr; padding: 22px; gap: 24px; }
    .source-intro { max-inline-size: none; }
    .site-footer { grid-template-columns: 1fr; padding: 32px 20px; gap: 12px; }
    .footer-note { grid-row: auto; }
    .footer-source { justify-self: start; padding-inline: 0; }
    .missing-main { padding: 40px 20px; }
    .missing-heading { font-size: 3.5rem; }
    .missing-actions { gap: 16px; margin-block-end: 48px; }
  }
}

@layer print {
  @media print {
    :root { color-scheme: light; }
    body { color: #000; background: #fff; font-size: 16px; line-height: 1.5; }
    .site-header, .skip-link, .reading-controls, .hero-actions, .back-link, .next-ribbon, .desk-scene, .footer-home, .footer-source { display: none; }
    .page-main, .missing-main { max-inline-size: none; padding: 0; }
    .home-hero, .question-hero { display: block; padding: 0 0 24px; margin: 0; background: #fff; }
    .home-heading, .question-heading { font-size: 34px; }
    .hero-eyebrow, .hero-lead, .question-lead, .heading-turn, .section-kicker, .sheet-kicker, .term-note, .stop-kicker, .stop-close, .local-note, .source-intro, .cost-kicker, .pause-text { color: #000; }
    .basics-section { display: block; padding-block-end: 24px; }
    .section-heading { padding: 0; background: #fff; }
    .basics-heading { max-inline-size: none; margin-block-end: 24px; }
    .basics-answers { max-inline-size: none; }
    .first-sheet, .question-sheet, .cost-panel { background: #fff; border: 0; padding: 20px 0; margin: 0; color: #000; }
    .sheet-heading, .question-group-heading { break-after: avoid; border-color: #000; }
    .check-entry, .question-entry { break-inside: avoid; }
    .check-title { font-size: 21px; }
    .question-text { font-size: 18px; }
    .check-input, .question-input { inline-size: 20px; block-size: 20px; }
    .check-prose { margin-inline-start: 38px; }
    .question-sheet .term-note, .note-rule { margin-inline-start: 38px; }
    .context-text, .cost-close, .sheet-lead { color: #000; }
    .question-context { break-inside: avoid; }
    .note-rule { block-size: 30px; border-color: #888; }
    .record-link, .source-link { color: #000; }
    .stop-panel { display: block; margin-block: 24px; padding: 20px 0; background: #fff; }
    .stop-heading { max-inline-size: none; margin-block-end: 16px; }
    .stop-text { margin-block-start: 12px; }
    .care-route { max-inline-size: none; padding-block-end: 20px; }
    .source-drawer { background: #fff; border: 1px solid #888; margin-block: 24px; color: #000; }
    .source-drawer::details-content { content-visibility: visible; display: block; }
    .source-handle { min-block-size: 44px; }
    .drawer-mark { display: none; }
    .source-body { display: block; padding: 16px; }
    .source-intro { max-inline-size: none; margin-block-end: 12px; }
    .source-item { break-inside: avoid; }
    .source-link { padding-block: 8px; min-block-size: 44px; }
    .site-footer { display: block; padding: 20px 0; background: #fff; }
    .footer-note { color: #000; font-size: 16px; }
  }
}