/* =========================================================================
   ENTRE LES LIGNES — STYLES
   Organized into: 1) tokens  2) reset/base  3) layout  4) header/nav
   5) buttons  6) home view  7) lessons grid  8) lesson detail (marginalia)
   9) quiz  10) badges  11) about  12) footer  13) accessibility & motion
   ========================================================================= */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Palette: warm cream, dark navy, restrained burgundy */
  --color-cream: #F3ECDD;         /* page background */
  --color-cream-raised: #FBF8F1;  /* card background, slightly lighter */
  --color-cream-alt: #EAE0C9;     /* hover / subtle fill */
  --color-navy: #1C2B3A;          /* primary text */
  --color-navy-soft: #3E5164;     /* secondary text */
  --color-burgundy: #7A2E3B;      /* accent: links, buttons, marginalia rule */
  --color-burgundy-dark: #5C2029; /* hover/active state */
  --color-border: #D8C9A8;        /* hairline borders */
  --color-gold: #9C7B3B;          /* small decorative accent, used sparingly */

  --color-success-bg: #E4EEE1;
  --color-success-text: #2B5233;
  --color-error-bg: #F4E3E1;
  --color-error-text: #7A2E1F;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1080px;
  --max-width-narrow: 700px;

  --radius: 6px;
  --radius-large: 14px;
  --shadow-soft: 0 14px 40px rgba(28, 43, 58, 0.08);
  --transition: 0.18s ease;
}

/* ---------- 2. RESET / BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 4%, rgba(156, 123, 59, 0.08), transparent 27rem),
    var(--color-cream);
  color: var(--color-navy);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.2;
  margin-top: 0;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3rem); }
h2 { font-size: clamp(1.35rem, 2vw + 1rem, 1.75rem); margin-top: 2.25em; }

p { margin: 0 0 1em; }

a {
  color: var(--color-burgundy);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--color-burgundy-dark); }

code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  background: var(--color-cream-alt);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

button { font-family: var(--font-ui); }

/* ---------- 3. LAYOUT ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container.narrow { max-width: var(--max-width-narrow); }

.view { padding: 3rem 0 5rem; }

/* ---------- 4. HEADER / NAV ---------- */
.site-header {
  background: var(--color-cream-raised);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.15;
}
.brand-fr {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--color-navy);
}
.brand-en {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-navy-soft);
}
.brand:hover .brand-fr { color: var(--color-burgundy); }

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a {
  text-decoration: none;
  color: var(--color-navy);
  padding: 0.35rem 0.1rem;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover,
.site-nav a.active {
  color: var(--color-burgundy);
  border-bottom-color: var(--color-burgundy);
}

.progress-widget {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-ui);
}
.progress-copy {
  min-width: 150px;
}
.progress-text {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-navy-soft);
  white-space: nowrap;
}

.progress-track {
  width: 100%;
  height: 8px;
  overflow: hidden;
  background: var(--color-cream-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}
.progress-track-small {
  height: 5px;
  margin-top: 0.35rem;
}
.progress-fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-burgundy), var(--color-gold));
  border-radius: inherit;
  transition: width 0.35s ease;
}

/* ---------- 5. BUTTONS ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background: var(--color-burgundy);
  color: var(--color-cream-raised);
  border-color: var(--color-burgundy);
}
.btn-primary:hover {
  background: var(--color-burgundy-dark);
  border-color: var(--color-burgundy-dark);
  color: var(--color-cream-raised);
}

.btn-ghost {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-cream-alt);
  color: var(--color-burgundy);
}

.btn-small {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

/* ---------- 6. HOME VIEW ---------- */
.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-style: italic;
  margin-bottom: 0.15em;
}
.hero-subtitle {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--color-navy-soft);
  margin-bottom: 1.75rem;
}

.lede {
  font-size: 1.2rem;
  color: var(--color-navy-soft);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.75fr);
  gap: 4rem;
  align-items: center;
  min-height: 62vh;
  padding: 2rem 0 3rem;
}
.hero-copy { max-width: 720px; }
.hero-title {
  font-size: clamp(3rem, 8vw, 6.25rem);
  letter-spacing: -0.045em;
}
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.hero-pills span {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-navy-soft);
  background: rgba(251, 248, 241, 0.7);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
}
.home-progress-card {
  background: var(--color-navy);
  color: var(--color-cream-raised);
  border-radius: var(--radius-large);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  transform: rotate(1deg);
}
.home-progress-card h2,
.home-progress-card p { color: inherit; }
.home-progress-card h2 { margin: 0.25rem 0 1rem; }
.home-progress-card .progress-track {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  margin: 1.25rem 0;
}
.home-progress-card .progress-fill { background: var(--color-gold); }
.card-kicker {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.35rem;
}
.privacy-note {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  opacity: 0.78;
  margin: 0;
}

.home-section {
  padding: 4rem 0;
  border-top: 1px solid var(--color-border);
}
.home-section h2 {
  max-width: 760px;
  margin: 0.25rem 0 2rem;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.process-card {
  background: rgba(251, 248, 241, 0.72);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  padding: 1.5rem;
}
.process-card h3 {
  font-size: 1.2rem;
  margin: 0.5rem 0;
}
.process-card p { color: var(--color-navy-soft); margin: 0; }
.process-number {
  font-family: var(--font-ui);
  color: var(--color-burgundy);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.section-heading-row {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
}
.text-link {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  margin-bottom: 2rem;
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem;
}
.topic-card {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.1rem;
  color: var(--color-navy);
  text-decoration: none;
  background: var(--color-cream-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.topic-card:hover {
  color: var(--color-navy);
  transform: translateY(-3px);
  border-color: var(--color-burgundy);
  background: #fffdf8;
}
.topic-card span {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-navy-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.topic-card strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
}
.transparency-card {
  display: grid;
  grid-template-columns: 1fr 1.25fr auto;
  align-items: center;
  gap: 2rem;
  background: var(--color-cream-raised);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-gold);
  border-radius: var(--radius-large);
  padding: 2rem;
  margin: 2rem 0 1rem;
}
.transparency-card h2 { margin: 0.25rem 0 0; font-size: 1.35rem; }
.transparency-card p { margin: 0; color: var(--color-navy-soft); }

.illustration-card {
  background: var(--color-cream-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin: 2.5rem 0;
}
.illustration-card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}
.literal-mark {
  color: var(--color-navy-soft);
  font-style: italic;
}
.natural-mark {
  color: var(--color-burgundy);
  font-weight: 600;
  font-style: normal;
}

.status-note {
  border-left: 3px solid var(--color-gold);
  padding: 0.25rem 0 0.25rem 1.25rem;
  color: var(--color-navy-soft);
  font-size: 0.98rem;
}

/* ---------- 7. LESSONS GRID ---------- */
.section-intro {
  color: var(--color-navy-soft);
  max-width: 60ch;
  margin-bottom: 2.5rem;
}

.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.library-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 0 1.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.library-progress {
  font-family: var(--font-ui);
  font-weight: 600;
  margin: 0;
}
.library-count {
  font-family: var(--font-ui);
  color: var(--color-navy-soft);
  font-size: 0.8rem;
  margin: 0.2rem 0 0;
}
.lesson-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}
.filter-chip {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--color-navy-soft);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}
.filter-chip:hover,
.filter-chip.active {
  color: var(--color-cream-raised);
  background: var(--color-navy);
  border-color: var(--color-navy);
}

.lesson-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--color-cream-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--color-navy);
  transition: border-color var(--transition), transform var(--transition);
}
.lesson-card:hover {
  border-color: var(--color-burgundy);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.lesson-card-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lesson-card-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-navy-soft);
}

.lesson-card-expression {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-style: italic;
}
.lesson-card-time,
.lesson-theme {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-navy-soft);
}
.lesson-theme {
  color: var(--color-burgundy);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.lesson-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.lesson-card-summary {
  color: var(--color-navy-soft);
  font-size: 0.92rem;
  line-height: 1.5;
}
.lesson-card-arrow {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-burgundy);
}

.lesson-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.completed-check {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-success-text);
}

/* ---------- 8. LESSON DETAIL (marginalia layout) ---------- */
.back-link {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  text-decoration: none;
}

.lesson-header {
  margin-bottom: 0.5rem;
}
.lesson-header-label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-navy-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.lesson-expression {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-style: italic;
  color: var(--color-burgundy);
  margin: 0.35em 0 0.5em;
}

.lesson-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  font-family: var(--font-ui);
  color: var(--color-navy-soft);
  font-size: 0.78rem;
  margin-bottom: 1rem;
}
.review-note {
  font-family: var(--font-ui);
  font-size: 0.86rem;
  color: var(--color-navy-soft);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}
.learning-goal {
  background: rgba(234, 224, 201, 0.58);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin-bottom: 2rem;
}
.learning-goal p:last-child { margin: 0; }

.lesson-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.lesson-field {
  margin-bottom: 1.75rem;
}
.lesson-field-label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-burgundy);
  margin-bottom: 0.35rem;
}
.lesson-field-value {
  margin: 0;
  white-space: pre-line;
}
.lesson-field-value.example {
  font-style: italic;
  color: var(--color-navy-soft);
}

/* "Marginalia" block: the signature visual device for what's lost in
   translation, echoing hand-written notes in the margin of a book. */
.marginalia {
  border-left: 3px solid var(--color-burgundy);
  background: var(--color-cream-raised);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.marginalia-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-burgundy);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}
.marginalia-label::before {
  content: "^";
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}
.marginalia p {
  font-style: italic;
  color: var(--color-navy);
  margin: 0;
  white-space: pre-line;
}

.lesson-sources {
  font-size: 0.9rem;
  color: var(--color-navy-soft);
}

.lesson-actions {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.copy-link-status {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-success-text);
}

.sources-panel {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  margin-top: 2.5rem;
}
.sources-panel summary {
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--color-burgundy);
  cursor: pointer;
}
.sources-intro,
.source-updated {
  font-size: 0.88rem;
  color: var(--color-navy-soft);
}
.sources-intro { margin-top: 1rem; }
.source-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  border-top: 1px solid var(--color-border);
}
.source-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
}
.source-list a {
  flex: 0 0 auto;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
}
.lesson-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.lesson-pagination a {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}
.lesson-pagination a.next { text-align: right; }
.lesson-pagination span {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-navy-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- 9. QUIZ ---------- */
.quiz-question {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.quiz-options {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--color-cream-raised);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  transition: border-color var(--transition), background-color var(--transition);
}
.quiz-option:hover {
  border-color: var(--color-burgundy);
}
.quiz-option input[type="radio"] {
  margin-top: 0.25em;
  accent-color: var(--color-burgundy);
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}
.quiz-option-text { flex: 1; }
.option-letter {
  display: inline-grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  flex: 0 0 auto;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
}
.quiz-complete-note {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-success-text);
  background: var(--color-success-bg);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
}
.quiz-completion-links {
  margin-top: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px solid currentColor;
}
.quiz-completion-links a { font-weight: 600; color: inherit; }

.quiz-feedback {
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin: 1.5rem 0;
  font-family: var(--font-ui);
  font-size: 0.98rem;
}
.quiz-feedback.correct {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}
.quiz-feedback.incorrect {
  background: var(--color-error-bg);
  color: var(--color-error-text);
}
.quiz-feedback p { margin: 0; }
.quiz-feedback p + p { margin-top: 0.5em; }

.quiz-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- 10. BADGES ---------- */
.badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
}
.badge-draft {
  background: var(--color-cream-alt);
  color: var(--color-navy-soft);
  border-color: var(--color-border);
}
.badge-source-checked {
  background: #EFE6CF;
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.badge-instructor-reviewed {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  border-color: var(--color-success-text);
}

/* ---------- 11. ABOUT ---------- */
.status-legend {
  margin: 1.5rem 0 2rem;
}
.status-legend-row {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
}
.status-legend-row dt { flex: 0 0 auto; }
.status-legend-row dd {
  margin: 0;
  color: var(--color-navy-soft);
}

.method-list {
  padding-left: 1.25rem;
}
.method-list li {
  padding: 0.45rem 0 0.45rem 0.35rem;
}

/* ---------- 12. UPDATES ---------- */
.timeline {
  position: relative;
  margin-top: 2.5rem;
  padding-left: 2rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.6rem;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}
.timeline-item {
  position: relative;
  padding: 0 0 2.5rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.45rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--color-burgundy);
  border: 3px solid var(--color-cream);
}
.timeline-date {
  font-family: var(--font-ui);
  color: var(--color-gold);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.timeline-item h2 { margin: 0.25rem 0 0.6rem; font-size: 1.35rem; }

/* ---------- 13. FOOTER ---------- */
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
.footer-brand {
  font-family: var(--font-display) !important;
  font-size: 1.1rem !important;
  font-style: italic;
  color: var(--color-navy) !important;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
}

/* ---------- 12. FOOTER ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-cream-raised);
  padding: 1.75rem 0;
}
.site-footer p {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-navy-soft);
}

/* ---------- 14. CULTURE, CONTEXTS, AND LEARNER PARTICIPATION ---------- */
.hero-secondary-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; margin-top: -1rem; font-family: var(--font-ui); font-size: 0.82rem; }
.section-intro { max-width: 780px; color: var(--color-navy-soft); }
.explore-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.explore-card { display: flex; flex-direction: column; padding: 1.6rem; border: 1px solid var(--color-border); border-radius: var(--radius-large); background: var(--color-cream-raised); text-decoration: none; color: var(--color-navy); }
.explore-card:hover { color: var(--color-navy); border-color: var(--color-burgundy); }
.explore-card h3 { margin: 0.5rem 0 0.75rem; font-size: 1.5rem; }
.explore-card p { color: var(--color-navy-soft); }
.explore-card .text-link { margin: auto 0 0; padding-top: 0.4rem; color: var(--color-burgundy); }
.editorial-notice { padding: 1rem 1.25rem; border-left: 3px solid var(--color-gold); background: rgba(251,248,241,.7); color: var(--color-navy-soft); font-family: var(--font-ui); font-size: 0.86rem; margin: 1.75rem 0 2rem; }
.comparison-block { border-top: 1px solid var(--color-border); padding: 2.5rem 0; }
.comparison-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.comparison-heading h2 { margin: 0.25rem 0 1rem; }
.comparison-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin: 1.5rem 0; }
.dialogue-card { border: 1px solid var(--color-border); border-radius: var(--radius-large); padding: 1.5rem; background: var(--color-cream-raised); }
.dialogue-card:nth-child(2) { background: #e9ece7; }
.dialogue-card h3, .comparison-reveal h3 { font-size: 1.1rem; margin: 0.4rem 0 1.2rem; }
.dialogue-lines { white-space: pre-line; margin-bottom: 0; }
.dialogue-card .dialogue-lines { color: var(--color-burgundy); font-size: 1.22rem; }
.comparison-reveal { padding: 1.2rem 1.4rem; border: 1px solid var(--color-border); border-radius: var(--radius); }
.comparison-reveal summary { cursor: pointer; color: var(--color-burgundy); font-family: var(--font-ui); font-weight: 600; font-size: 0.9rem; }
.comparison-reveal > p { max-width: 800px; }
.reading-invitation { padding: 2rem; background: var(--color-navy); color: var(--color-cream-raised); border-radius: var(--radius-large); margin-top: 1.5rem; }
.reading-invitation h2 { margin: 0 0 1rem; color: inherit; }
.reading-invitation .btn { color: inherit; }
.culture-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1.25rem; }
.culture-card { min-width: 0; display: flex; flex-direction: column; overflow: hidden; border-radius: var(--radius-large); border: 1px solid var(--color-border); background: var(--color-cream-raised); }
.culture-card-body { display: flex; flex: 1; flex-direction: column; align-items: flex-start; padding: 1.5rem; }
.culture-card h2 { font-size: 1.45rem; margin: 0.4rem 0 1rem; }
.culture-card h2 a { color: var(--color-navy); text-decoration: none; }
.culture-card h2 a:hover { text-decoration: underline; }
.culture-card-body > p { font-size: 1rem; color: var(--color-navy-soft); }
.culture-card-body .card-kicker { font-size: 0.7rem; color: var(--color-gold); }
.reading-source { font-family: var(--font-ui); font-size: 0.75rem !important; line-height: 1.6; margin-top: auto; padding-top: 1rem; }
.reading-open { display: inline-block; margin-top: 1.25rem; font-family: var(--font-ui); font-size: 0.85rem; font-weight: 600; }
.culture-motif { position: relative; overflow: hidden; height: 170px; padding: 1rem 1.4rem; color: var(--color-cream-raised); background: var(--color-navy); }
.culture-motif span { position: relative; z-index: 1; font-family: var(--font-display); font-style: italic; font-size: 3.75rem; opacity: .9; line-height: 1; }
.culture-motif b { position: absolute; z-index: 1; right: 1.2rem; bottom: 0.8rem; font-family: var(--font-ui); font-size: 0.7rem; font-weight: 500; letter-spacing: .15em; text-transform: uppercase; }
.motif-water { background: #536d68; }
.motif-water::before, .motif-water::after { content: ""; position: absolute; border: 1px solid rgba(243,236,221,.35); border-radius: 50%; width: 280px; height: 100px; right: -20px; top: 25px; transform: rotate(-20deg); }
.motif-water::after { width: 340px; height: 130px; right: -40px; top: 10px; }
.motif-water i { position: absolute; width: 170px; height: 60px; border-radius: 50%; background: rgba(216,201,168,.17); right: 10px; top: 42px; transform: rotate(-20deg); }
.motif-film { background: #53323d; }
.motif-film i { position: absolute; width: 125px; height: 185px; border: 10px double rgba(243,236,221,.45); right: 40px; top: -10px; transform: rotate(22deg); background: repeating-linear-gradient(0deg, transparent 0 45px, rgba(243,236,221,.3) 45px 48px); }
.motif-book { background: #8b764e; }
.motif-book i { position: absolute; width: 140px; height: 180px; right: 25px; top: 5px; transform: rotate(-12deg); border: 1px solid rgba(243,236,221,.7); box-shadow: 6px 5px 0 rgba(243,236,221,.16),12px 10px 0 rgba(243,236,221,.12); background: repeating-linear-gradient(0deg, transparent 0 20px,rgba(243,236,221,.2) 20px 21px); }
.reading-question { font-size: 1.35rem; color: var(--color-burgundy); }
.reading-section { padding: .25rem 0; }
.reading-section h2 { margin: 1.6rem 0 .8rem; }
.reading-citation { border-top: 1px solid var(--color-border); padding-top: .8rem; font-family: var(--font-ui); font-size: .8rem; }
.reflection-questions { padding-left: 1.25rem; }
.reflection-questions li { padding: .35rem 0; }
.personal-notes-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.25rem; margin-top: 2rem; }
.personal-note { padding: 1.5rem; border-top: 3px solid var(--color-gold); background: var(--color-cream-raised); border-radius: 0 0 var(--radius-large) var(--radius-large); }
.personal-note h2 { font-size: 1.35rem; margin: .5rem 0 1rem; }
.personal-note blockquote { margin: 0 0 1.25rem; color: var(--color-burgundy); font-size: 1.15rem; font-style: italic; }
.personal-note > p { font-size: .95rem; color: var(--color-navy-soft); }
.personal-note a { font-size: .8rem; font-family: var(--font-ui); }
.notebook-panel { display: grid; grid-template-columns: .8fr 1.3fr; gap: 3rem; border-top: 1px solid var(--color-border); padding-top: 3rem; margin-top: 3rem; }
.notebook-panel h2 { margin: .25rem 0 1rem; }
.notebook-panel > div > p:last-child { color: var(--color-navy-soft); }
.editor-form { display: flex; flex-direction: column; gap: .65rem; }
.editor-form label { font-family: var(--font-ui); font-size: .85rem; font-weight: 600; margin-top: .4rem; }
.editor-form input, .editor-form select, .editor-form textarea { width: 100%; min-width: 0; max-width: 100%; font-family: var(--font-ui); font-size: 1rem; line-height: 1.6; color: var(--color-navy); background: var(--color-cream-raised); border: 1px solid var(--color-border); border-radius: var(--radius); padding: .75rem .85rem; }
.editor-form textarea { resize: vertical; min-height: 9rem; }
.editor-form textarea[readonly] { background: var(--color-cream-alt); }
.editor-form input:focus-visible, .editor-form select:focus-visible, .editor-form textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--color-burgundy); outline-offset: 2px; }
.form-hint { color: var(--color-navy-soft); font-family: var(--font-ui); font-size: .8rem; line-height: 1.6; }
.form-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: .75rem 0; }
.form-status { color: var(--color-navy-soft); font-family: var(--font-ui); font-size: .85rem; min-height: 1.5em; }
#feedback-output { border-top: 1px solid var(--color-border); padding-top: 1.5rem; }
#feedback-output textarea { margin: .75rem 0; }
.lesson-further { display: flex; flex-direction: column; gap: .4rem; border-left: 2px solid var(--color-gold); margin-top: 2.5rem; padding-left: 1.25rem; font-size: .95rem; }
.lesson-further .lesson-field-label { margin-bottom: .25rem; }
#project-links { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.5rem; }
.view[hidden] { display: none; }

/* ---------- 15. ACCESSIBILITY & RESPONSIVE ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-burgundy);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius) 0;
  z-index: 100;
  text-decoration: none;
  font-family: var(--font-ui);
}
.skip-link:focus {
  left: 0;
  top: 0;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Strong, visible focus state for every interactive element */
a:focus-visible,
button:focus-visible,
input:focus-visible,
.lesson-card:focus-visible,
.quiz-option:focus-within {
  outline: 3px solid var(--color-burgundy);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .site-nav { width: 100%; gap: 1rem; overflow-x: auto; padding-bottom: 0.2rem; }
  .progress-widget { width: 100%; justify-content: space-between; }
  .view { padding: 2rem 0 3.5rem; }
  body { font-size: 1.05rem; }
  .hero-layout { grid-template-columns: 1fr; gap: 1.5rem; min-height: auto; }
  .home-progress-card { transform: none; }
  .process-grid { grid-template-columns: 1fr; }
  .section-heading-row { align-items: flex-start; flex-direction: column; gap: 0; }
  .text-link { margin-bottom: 1.5rem; }
  .topic-grid { grid-template-columns: 1fr 1fr; }
  .transparency-card { grid-template-columns: 1fr; gap: 1rem; }
  .library-toolbar { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .lesson-filters { justify-content: flex-start; }
  .source-list li { align-items: flex-start; flex-direction: column; gap: 0.35rem; }
  .lesson-pagination { grid-template-columns: 1fr; }
  .lesson-pagination a.next { text-align: left; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .explore-grid, .comparison-grid, .culture-grid, .personal-notes-grid, .notebook-panel { grid-template-columns: 1fr; }
  .notebook-panel { gap: 1rem; }
  .comparison-heading { align-items: flex-start; }
  .comparison-heading .badge { flex: 0 0 auto; }
  .comparison-heading h2 { font-size: 1.4rem; }
  .reading-invitation { padding: 1.5rem; }
  .culture-motif { height: 145px; }
  .editor-form { min-width: 0; }
  .site-nav a { flex-shrink: 0; }
}

@media (min-width: 641px) and (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr; gap: 2rem; }
  .home-progress-card { transform: none; max-width: 520px; }
  .topic-grid { grid-template-columns: repeat(3, 1fr); }
  .transparency-card { grid-template-columns: 1fr 1.4fr; }
  .transparency-card .btn { grid-column: 1 / -1; justify-self: start; }
  .library-toolbar { align-items: flex-start; flex-direction: column; }
  .lesson-filters { justify-content: flex-start; }
  .culture-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .personal-notes-grid { grid-template-columns: 1fr; }
}

/* ---------- 16. FEEDBACK SEND STEP (shown only when a real destination is set) ---------- */
.feedback-send {
  margin-top: 1.5rem;
  padding: 1.25rem 1.4rem;
  background: var(--color-cream-raised);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-burgundy);
  border-radius: var(--radius);
}
.feedback-send p { margin: 0 0 0.85rem; }

/* ---------- 17. LESSON SITUATION BOX & COMPARISON CONTEXT ---------- */
.situation-box {
  background: var(--color-cream-raised);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin-bottom: 2rem;
}
.situation-box p { margin: 0 0 0.6rem; }
.situation-box p:last-child { margin: 0; }
.situation-note {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-navy-soft);
}
.dialogue-context {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--color-navy-soft);
  margin: 0 0 0.75rem;
}
.dialogue-context-label { font-weight: 600; }
.comparison-takeaway,
.comparison-sources { margin-top: 1.25rem; }
.comparison-takeaway h3,
.comparison-sources h3 { font-size: 1.05rem; margin: 0 0 0.4rem; }
.comparison-sources .source-list { margin: 0.5rem 0; }