:root {
  color-scheme: light;
  --ink: #102c25;
  --ink-soft: #426159;
  --paper: #f5f1e8;
  --paper-deep: #e9e1d1;
  --line: rgba(16, 44, 37, 0.16);
  --moss: #0f4b3e;
  --moss-deep: #082d26;
  --gold: #b88a34;
  --serif: Iowan Old Style, Baskerville, Times New Roman, serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  margin: 0;
}

a { color: inherit; text-underline-offset: 0.22em; }
a:hover { color: var(--moss); }
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.site-header,
.site-footer {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  padding: 24px clamp(20px, 5vw, 76px);
}

.site-header {
  background: rgba(245, 241, 232, 0.95);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 1;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-family: var(--serif);
  font-size: 20px;
  gap: 10px;
  text-decoration: none;
}

.brand img { height: 32px; width: 32px; }
.site-header nav,
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.site-header nav a,
.site-footer nav a { font-size: 13px; font-weight: 650; }

.eyebrow,
.section-number,
.reading-grid a > span,
.word-grid a > span,
.landing-options article > span {
  color: var(--gold);
  display: block;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
blockquote,
q { font-family: var(--serif); }

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  font-size: clamp(48px, 8vw, 92px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin: 16px 0 28px;
}

h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 500; line-height: 1.08; }

.primary-action {
  align-items: center;
  background: var(--moss);
  color: #fffdf7;
  display: inline-flex;
  font-size: 13px;
  font-weight: 760;
  gap: 16px;
  margin-top: 18px;
  min-height: 50px;
  padding: 13px 18px;
  text-decoration: none;
}

.primary-action:hover { background: var(--moss-deep); color: #fffdf7; }

.reading-page,
.word-page {
  display: grid;
  gap: clamp(48px, 8vw, 112px);
  grid-template-columns: minmax(0, 1fr) minmax(230px, 320px);
  margin: 0 auto;
  max-width: 1320px;
  padding: clamp(56px, 9vw, 128px) clamp(20px, 5vw, 76px);
}

.reading-hero,
.word-hero,
.index-hero { max-width: 860px; }
.deck,
.word-meaning,
.index-hero > p {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.35;
}

.facts {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 42px 0 22px;
}

.facts div { padding: 16px 16px 16px 0; }
.facts dt { color: var(--ink-soft); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }
.facts dd { font-family: var(--serif); margin: 5px 0 0; }

section.reading-prose {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 25px);
  line-height: 1.72;
  margin: clamp(72px, 10vw, 132px) auto 0;
  max-width: 760px;
}

section.reading-prose p { margin: 0 0 1.35em; max-width: none; }
.reading-dialogue { margin-left: clamp(0px, 2vw, 28px); }
.reading-inscription,
.reading-reflection {
  border-left: 2px solid var(--gold);
  color: var(--ink-soft);
  font-style: italic;
  margin: 38px 0;
  padding: 8px 0 8px 30px;
}

.chapter-heading {
  border-top: 1px solid var(--line);
  margin: 90px 0 34px;
  padding-top: 28px;
}
.chapter-heading span { color: var(--gold); font-family: var(--sans); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.chapter-heading h2 { margin: 8px 0 10px; }
.chapter-heading p { color: var(--ink-soft); font-size: 18px; }

.article-close,
.lesson-cta {
  background: var(--paper-deep);
  margin-top: 78px;
  padding: clamp(32px, 5vw, 58px);
}

.related-section,
.word-neighbours {
  align-self: start;
  border-top: 3px solid var(--ink);
  position: sticky;
  top: 36px;
}

.related-section { padding-top: 28px; }
.related-section h2 { font-size: 28px; }
.related-section ul,
.word-neighbours ul { list-style: none; margin: 26px 0; padding: 0; }
.related-section li a {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 5px;
  padding: 17px 0;
  text-decoration: none;
}
.related-section li span { color: var(--ink-soft); font-size: 13px; }
.related-section nav,
.word-neighbours nav { display: grid; gap: 12px; margin-top: 24px; }

.word-hero h1 { text-transform: capitalize; }
.pronunciation { color: var(--ink-soft); font-size: 15px; }
.pronunciation span { font-style: italic; }
.pronunciation small { margin-left: 8px; }

.lesson-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 30px;
  grid-template-columns: 46px minmax(0, 1fr);
  padding: 52px 0;
}
.lesson-section h2 { font-size: clamp(28px, 3.8vw, 42px); }
.lesson-section p,
.lesson-section li { font-family: var(--serif); font-size: 20px; }
.lesson-section ul { margin: 0; padding-left: 22px; }
.examples-section li { margin-bottom: 24px; }
.examples-section li > span { color: var(--ink-soft); display: block; font-family: var(--sans); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.examples-section q { display: block; font-size: 23px; margin-top: 4px; }
.landing-options { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.landing-options article { background: #fffaf0; border: 1px solid var(--line); padding: 22px; }
.landing-options q { display: block; font-size: 22px; margin: 10px 0; }
.landing-options p { font-size: 16px; }
.landing-options small { color: var(--ink-soft); }
.lesson-cta h2 { margin: 10px 0 16px; }
.word-neighbours { display: grid; gap: 22px; padding-top: 22px; }

.index-page {
  margin: 0 auto;
  max-width: 1320px;
  min-height: 70vh;
  padding: clamp(62px, 10vw, 140px) clamp(20px, 5vw, 76px);
}
.index-hero { margin-bottom: clamp(54px, 8vw, 100px); }
.index-counts { border-top: 1px solid var(--line); margin-top: 35px; padding-top: 18px; }
.index-counts dt { color: var(--ink-soft); font-size: 11px; text-transform: uppercase; }
.index-counts dd { font-family: var(--serif); font-size: 22px; margin: 3px 0; }

.reading-grid,
.word-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}
.reading-grid li,
.word-grid li { background: var(--line); }
.reading-grid a,
.word-grid a {
  background: var(--paper);
  display: block;
  height: 100%;
  min-height: 280px;
  padding: clamp(28px, 4vw, 48px);
  text-decoration: none;
}
.reading-grid a:hover,
.word-grid a:hover { background: #fffaf0; }
.reading-grid h2,
.word-grid h2 { margin: 20px 0 14px; }
.reading-grid p,
.word-grid p { color: var(--ink-soft); }
.reading-grid strong { font-size: 12px; }
.word-grid a { min-height: 230px; }

.alphabet-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.alphabet-grid a { background: var(--paper-deep); display: grid; gap: 2px; padding: 20px; text-decoration: none; }
.alphabet-grid strong { font-family: var(--serif); font-size: 32px; }
.alphabet-grid span { color: var(--ink-soft); font-size: 11px; }
.index-note { border-top: 1px solid var(--line); margin-top: 70px; max-width: 760px; padding-top: 35px; }
.index-note h2 { font-size: 30px; }
.letter-page .index-hero h1 { color: var(--gold); font-size: clamp(90px, 18vw, 210px); }
.pagination { display: flex; gap: 10px; justify-content: center; margin-top: 50px; }
.pagination a { border: 1px solid var(--line); padding: 8px 14px; }
.pagination [aria-current="page"] { background: var(--moss); color: white; }

.glance-page {
  display: grid;
  gap: clamp(34px, 6vw, 90px);
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
  margin: 0 auto;
  max-width: 1240px;
  min-height: 72vh;
  padding: clamp(62px, 10vw, 130px) clamp(20px, 5vw, 76px);
}
.glance-context blockquote { font-size: clamp(30px, 4.6vw, 58px); line-height: 1.28; margin: 54px 0 22px; }
mark { background: linear-gradient(transparent 55%, #e4c978 55%); color: inherit; }
.glance-panel { background: #fffaf0; border-top: 5px solid var(--moss); padding: clamp(30px, 5vw, 55px); }
.glance-panel h2 { font-size: 48px; margin: 10px 0; }
.glance-panel details { border-top: 1px solid var(--line); padding: 16px 0; }
.glance-panel summary { cursor: pointer; font-weight: 700; }
.glance-panel details p { margin: 14px 0 0; }
.actions { display: grid; gap: 13px; margin: 20px 0; }

.site-footer {
  background: var(--moss-deep);
  color: rgba(255, 253, 247, 0.78);
  min-height: 130px;
}
.site-footer > div { display: grid; }
.site-footer strong { color: white; font-family: var(--serif); font-size: 21px; }
.site-footer span { font-size: 11px; }
.site-footer a:hover { color: white; }

@media (max-width: 860px) {
  .reading-page,
  .word-page,
  .glance-page { grid-template-columns: 1fr; }
  .related-section,
  .word-neighbours { position: static; }
  .reading-grid,
  .word-grid { grid-template-columns: 1fr; }
  .alphabet-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .site-header,
  .site-footer { align-items: flex-start; flex-direction: column; }
  .site-header nav { gap: 8px 15px; }
  .facts { grid-template-columns: 1fr; }
  .facts div { border-top: 1px solid var(--line); }
  .facts div:first-child { border-top: 0; }
  .lesson-section { gap: 12px; grid-template-columns: 1fr; }
  .landing-options { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}