/* =========================================================
   Nine Frontiers — Crucible visual language
   Palette, typography, and panel system mirror Crucible's
   DESIGN_SYSTEM.md. Light theme only. No Three.js styles.
   ========================================================= */

:root {
  /* Paper + ink */
  --paper:       #f4f1ea;
  --paper-deep:  #ece7dc;
  --ink:         #1a1816;
  --ink-soft:    #5c544a;
  --rule:        #cfc7b6;

  /* Loud accents (Crucible, verbatim) */
  --sage:        #5f9a73;
  --sage-bg:     #c6dec9;
  --amber:       #b47612;
  --amber-bg:    #f2d56c;

  --coral:       #d95230;
  --coral-soft:  #e87a54;
  --coral-bg:    #f6bfa1;
  --coral-ink:   #7f2a10;

  --blue:        #1e3bc7;
  --blue-soft:   #4b63d9;
  --blue-bg:     #c9d1f0;

  --butter:      #f2dd6e;
  --butter-deep: #e8c632;
  --pink:        #f0c7bd;
  --pink-deep:   #e09c8a;

  /* Type families */
  --font-sans:    'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-serif:   'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-display: 'Instrument Serif', 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-marker:  'Caveat', 'Segoe Print', cursive;
}

/* Resets */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.5;
  font-feature-settings: "liga", "dlig", "ss01";
  font-variation-settings: 'opsz' 14, 'SOFT' 60;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}
[hidden] { display: none !important; }
::selection { background: var(--butter); color: var(--ink); }

*:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

/* =========================================================
   Type utilities (mirroring Crucible §2)
   ========================================================= */

.label {
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}
.label--soft { color: var(--ink-soft); }

.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-variation-settings: 'opsz' 24, 'SOFT' 100;
}

.font-display {
  font-family: var(--font-display);
  font-style: normal;
  letter-spacing: -0.02em;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}

.font-sans {
  font-family: var(--font-sans);
}

.marker-numeral {
  font-family: var(--font-marker);
  font-weight: 500;
  line-height: 0.78;
  letter-spacing: -0.02em;
}

.highlight-coral,
.highlight-butter,
.highlight-blue {
  background-position: 0 62%;
  background-size: 100% 65%;
  background-repeat: no-repeat;
  padding: 0 0.1em;
}
.highlight-coral  { background-image: linear-gradient(100deg, transparent 2%, var(--coral-bg) 6%, var(--coral-bg) 94%, transparent 98%); }
.highlight-butter { background-image: linear-gradient(100deg, transparent 2%, var(--butter)   6%, var(--butter)   94%, transparent 98%); }
.highlight-blue   { background-image: linear-gradient(100deg, transparent 2%, var(--blue-bg)  6%, var(--blue-bg)  94%, transparent 98%); }

/* =========================================================
   Nature line (sage gradient hairline at viewport bottom)
   ========================================================= */

.nature-line {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: linear-gradient(to right,
    transparent 0%, var(--sage) 8%, var(--sage) 92%, transparent 100%);
  z-index: 30;
  pointer-events: none;
  opacity: 0.65;
}

/* =========================================================
   Top bar — paper, ink, no glass
   ========================================================= */

.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  background: var(--paper);
  border-bottom: 1.5px solid var(--ink);
  height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 40px);
}
.brand {
  background: none; border: none; padding: 0; cursor: pointer;
  display: inline-flex; align-items: baseline; gap: 10px;
  color: var(--ink);
}
.brand .brand-numero {
  font-family: var(--font-sans); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft);
}
.brand .brand-title {
  font-family: var(--font-display);
  font-size: 22px; letter-spacing: -0.02em;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.brand .vol {
  font-family: var(--font-serif); font-style: italic;
  color: var(--ink-soft); font-size: 13px; margin-left: 4px;
}
.brand:hover .brand-title { color: var(--coral); }

.topnav { display: flex; gap: 6px; align-items: center; }
.topnav button {
  background: none; border: none; padding: 8px 12px;
  font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); cursor: pointer;
  transition: color 0.15s;
}
.topnav button:hover,
.topnav button.active { color: var(--ink); }
.topnav .sep { color: var(--rule); padding: 0 2px; user-select: none; }

/* Tutor trigger — filled offset button (Crucible "ink" variant) */
.marginalia-trigger {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 16px;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 0 var(--butter-deep);
  font-family: var(--font-serif); font-style: italic; font-weight: 500;
  font-size: 13.5px;
  font-variation-settings: 'opsz' 24, 'SOFT' 100;
  cursor: pointer;
  transform: rotate(-0.6deg);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.marginalia-trigger:hover { transform: rotate(-0.6deg) translate(0.5px, -0.5px); }
.marginalia-trigger:active {
  transform: rotate(-0.6deg) translate(2px, 2px);
  box-shadow: none;
}
.marginalia-trigger svg { width: 14px; height: 14px; }

/* =========================================================
   Layout container
   ========================================================= */

.container {
  max-width: 1180px; margin: 0 auto;
  padding: clamp(80px, 9vw, 112px) clamp(24px, 5vw, 72px) clamp(48px, 6vw, 96px);
  position: relative; z-index: 2;
}

.view { display: none; animation: phase-in 360ms cubic-bezier(0.22, 1, 0.36, 1); }
.view.active { display: block; }
@keyframes phase-in {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   HOME — two-column split (manifesto left, dashboard right)
   Below 1025px viewport the layout stacks and the chapter
   grid falls back to its default responsive breakpoints.
   ========================================================= */

.home-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4vw, 56px);
}

@media (min-width: 1025px) {
  .home-split {
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(40px, 5vw, 80px);
    align-items: start;
  }
  .home-left .hero { margin-bottom: clamp(20px, 3vw, 36px); }
  .home-left .hero h1 {
    font-size: clamp(40px, 6vw, 88px);
    max-width: 100%;
  }
  .home-left .manifesto {
    margin: 0;
    max-width: 100%;
    font-size: clamp(15.5px, 1.35vw, 17.5px);
  }
  .home-right .breadth-bar {
    max-width: 100%;
    margin: 0 0 clamp(28px, 3.5vw, 44px);
  }
  .home-right .chapter-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(14px, 1.6vw, 20px);
  }
  .home-right .chapter-card {
    min-height: 168px;
    padding: clamp(16px, 1.8vw, 22px) clamp(16px, 2vw, 22px) clamp(18px, 2.2vw, 24px);
    gap: 10px;
  }
  .home-right .card-numeral { font-size: clamp(44px, 4.5vw, 64px); }
  .home-right .card-title   { font-size: clamp(20px, 2vw, 24px); }
  .home-right .card-sub     { font-size: 13px; -webkit-line-clamp: 2; }
  .home-right .card-beneath-text { font-size: 13px; }
}

/* =========================================================
   HOME — hero
   ========================================================= */

.hero {
  padding: clamp(8px, 2vw, 24px) 0 clamp(20px, 3vw, 36px);
  margin-bottom: clamp(28px, 4vw, 56px);
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 18px;
  color: var(--ink-soft);
}
.hero-eyebrow .label { color: inherit; }
.hero-eyebrow-rule {
  flex: 0 0 64px; height: 1px; background: var(--ink-soft); opacity: 0.4;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(56px, 9vw, 128px);
  line-height: 0.88;
  letter-spacing: -0.022em;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
  color: var(--ink);
  max-width: 14ch;
}
.hero h1 em {
  font-style: italic;
}

/* =========================================================
   Manifesto body
   ========================================================= */

.manifesto {
  max-width: 62ch;
  margin: 0 auto clamp(48px, 6vw, 80px);
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.55;
  color: var(--ink);
}
.manifesto p { margin-bottom: 20px; }
.manifesto p:last-child { margin-bottom: 0; }

/* =========================================================
   Breadth bar — replaces the reach diagram
   ========================================================= */

.breadth-bar {
  margin: 0 auto clamp(56px, 6vw, 88px);
  max-width: 880px;
}
.breadth-bar-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; margin-bottom: 12px;
}
.breadth-bar-count {
  font-family: var(--font-serif); font-style: italic;
  color: var(--ink-soft); font-size: 14px;
  font-variation-settings: 'opsz' 18, 'SOFT' 100';
}
.breadth-bar-track {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  border: 2px solid var(--ink);
  height: 28px;
  background: var(--paper-deep);
  box-shadow: 4px 4px 0 0 var(--ink);
  transform: rotate(-0.3deg);
}
.breadth-bar-segment {
  background: var(--paper-deep);
  border-right: 2px solid var(--ink);
  position: relative;
  transition: background 0.2s ease;
}
.breadth-bar-segment:last-child { border-right: none; }
.breadth-bar-segment.is-reached {
  background: var(--seg-bg, var(--sage-bg));
}
.breadth-bar-segment.is-partial {
  background: linear-gradient(
    to right,
    var(--seg-bg, var(--sage-bg)) var(--partial, 0%),
    var(--paper-deep) var(--partial, 0%)
  );
}
.breadth-bar-numerals {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  margin-top: 10px;
  gap: 0;
}
.breadth-bar-numeral {
  font-family: var(--font-marker);
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
  text-align: center;
  transform: rotate(var(--num-tilt, 0deg));
}
.breadth-bar-caption {
  margin-top: 18px;
  font-family: var(--font-serif); font-style: italic;
  font-size: 14px; color: var(--ink-soft);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
  text-align: center;
  max-width: 56ch;
  margin-left: auto; margin-right: auto;
}

/* =========================================================
   Chapter grid + chapter cards (Crucible panels)
   ========================================================= */

.chapter-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.6vw, 32px);
  margin-bottom: 0;
}

.chapter-card {
  position: relative;
  display: flex; flex-direction: column; gap: 14px;
  text-align: left;
  background: var(--card-bg, var(--paper));
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 5px 5px 0 0 var(--ink);
  padding: clamp(20px, 2.2vw, 28px) clamp(20px, 2.4vw, 28px) clamp(22px, 2.6vw, 30px);
  cursor: pointer;
  font-family: inherit;
  transform: rotate(var(--card-tilt, -0.4deg));
  transition:
    transform 220ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 220ms cubic-bezier(0.22, 1, 0.36, 1);
  min-height: 200px;
}
.chapter-card:hover,
.chapter-card:focus-visible {
  transform: translate(-3px, -4px) rotate(var(--card-tilt, -0.4deg));
  box-shadow: 8px 10px 0 0 var(--ink);
}
.chapter-card:nth-child(2) { --card-tilt: 0.5deg; }
.chapter-card:nth-child(3) { --card-tilt: -0.3deg; }
.chapter-card:nth-child(4) { --card-tilt: 0.4deg; }
.chapter-card:nth-child(5) { --card-tilt: -0.5deg; }
.chapter-card:nth-child(6) { --card-tilt: 0.3deg; }
.chapter-card:nth-child(7) { --card-tilt: -0.4deg; }
.chapter-card:nth-child(8) { --card-tilt: 0.5deg; }
.chapter-card:nth-child(9) { --card-tilt: -0.6deg; }

.card-eyebrow {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  color: var(--ink-soft);
}
.card-eyebrow .label { color: inherit; }
.card-kicker {
  font-family: var(--font-serif); font-style: italic;
  font-size: 13px; color: var(--ink-soft);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
  text-align: right; max-width: 60%;
}

.card-numeral {
  font-family: var(--font-marker);
  font-size: clamp(56px, 6vw, 88px);
  line-height: 0.78;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--card-color, var(--ink));
  transform: rotate(var(--num-tilt, -3deg));
  align-self: flex-start;
  margin: -4px 0 -2px;
}
.chapter-card:nth-child(2) .card-numeral { --num-tilt: 4deg; }
.chapter-card:nth-child(3) .card-numeral { --num-tilt: -2deg; }
.chapter-card:nth-child(4) .card-numeral { --num-tilt: 5deg; }
.chapter-card:nth-child(5) .card-numeral { --num-tilt: -4deg; }
.chapter-card:nth-child(6) .card-numeral { --num-tilt: 3deg; }
.chapter-card:nth-child(7) .card-numeral { --num-tilt: -3deg; }
.chapter-card:nth-child(8) .card-numeral { --num-tilt: 5deg; }
.chapter-card:nth-child(9) .card-numeral { --num-tilt: -2.5deg; }

.card-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.6vw, 30px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ink);
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.card-beneath {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: -4px;
}
.card-beneath .label {
  color: color-mix(in oklab, var(--ink-soft) 78%, transparent);
}
.card-beneath-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13.5px;
  line-height: 1.38;
  color: var(--ink);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}

.card-sub {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink-soft);
  font-variation-settings: 'opsz' 18, 'SOFT' 60;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--ink);
  opacity: 0.85;
}
.card-modes {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.card-counter {
  font-family: var(--font-serif); font-style: italic;
  font-size: 12.5px;
  color: var(--card-color, var(--ink));
  font-variation-settings: 'opsz' 18, 'SOFT' 100;
}

/* =========================================================
   CHAPTER VIEW
   ========================================================= */

.chapter-view { position: relative; }

.chapter-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 28px; padding-bottom: 14px;
  border-bottom: 1px solid var(--ink);
}
.chapter-nav button {
  background: none; border: none; padding: 6px 0;
  font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); cursor: pointer; transition: color 0.15s;
}
.chapter-nav button:hover { color: var(--ink); }
.chapter-nav .nav-mid {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-variation-settings: 'opsz' 36, 'SOFT' 70;
}

.chapter-head {
  display: grid; grid-template-columns: auto 1fr;
  gap: clamp(16px, 2.4vw, 32px);
  align-items: end;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--c-color, var(--ink));
}
.chapter-head .head-num {
  font-family: var(--font-marker);
  font-size: clamp(72px, 9vw, 128px);
  line-height: 0.78;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--c-color, var(--ink));
  transform: rotate(-4deg);
  align-self: start;
}
.chapter-head .head-kicker {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px;
}
.chapter-head .head-kicker .label { color: var(--ink-soft); }
.chapter-head .head-kicker-rule {
  flex: 0 0 48px; height: 1px; background: var(--ink-soft); opacity: 0.4;
}
.chapter-head h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 0.92;
  letter-spacing: -0.022em;
  margin-bottom: 8px;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.chapter-head .head-sub {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-soft);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
  max-width: 56ch;
}

.chapter-why {
  margin-bottom: clamp(32px, 4vw, 56px);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.55;
  color: var(--ink);
  max-width: 64ch;
}
.chapter-why::first-letter {
  font-family: var(--font-display);
  font-size: 3.2em;
  line-height: 0.85;
  float: left;
  margin: 4px 12px 0 0;
  color: var(--c-color, var(--ink));
  font-variation-settings: 'opsz' 144, 'SOFT' 70;
}

.chapter-body {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: clamp(24px, 3vw, 40px);
  margin-bottom: clamp(32px, 4vw, 56px);
  align-items: start;
}

/* Section labels — eyebrow with optional numero */
.section-label {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
}
.section-label .label { color: var(--ink-soft); }
.section-label-rule {
  flex: 1; height: 1px; background: var(--rule);
}

/* "The path" stage list */
.stages-compact {
  font-family: var(--font-serif);
}
.stages-compact .stage-row {
  display: grid;
  grid-template-columns: 36px 1fr 16px;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  transition: background 0.15s ease, padding-left 0.15s ease;
  position: relative;
  align-items: baseline;
}
.stages-compact .stage-row:last-child { border-bottom: none; }
.stages-compact .stage-row:hover {
  background: var(--paper-deep);
  padding-left: 6px; padding-right: 6px;
}
.stages-compact .s-num {
  font-family: var(--font-marker);
  font-size: 28px;
  font-weight: 500;
  color: var(--c-color, var(--ink));
  line-height: 0.78;
  transform: rotate(var(--row-tilt, -2deg));
}
.stages-compact .stage-row:nth-child(2n) .s-num { --row-tilt: 2deg; }
.stages-compact .stage-row:nth-child(3n) .s-num { --row-tilt: -3deg; }
.stages-compact .s-title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.6vw, 19px);
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.15;
  font-variation-settings: 'opsz' 36, 'SOFT' 70;
}
.stages-compact .s-body {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 2px;
}
.stages-compact .stage-dot {
  width: 10px; height: 10px;
  border: 1.5px solid var(--ink);
  background: transparent;
  border-radius: 50%;
  align-self: center;
  transition: background 0.15s ease;
}
.stages-compact .stage-row.visited .stage-dot {
  background: color-mix(in oklab, var(--c-color, var(--ink)) 35%, transparent);
}
.stages-compact .stage-row.complete .stage-dot {
  background: var(--c-color, var(--ink));
}

.right-col {
  display: flex; flex-direction: column; gap: clamp(18px, 2vw, 26px);
}

/* Side panels (Artifacts / Open questions / Eclipse) — Crucible cards */
.col-card {
  border: 2px solid var(--ink);
  padding: clamp(18px, 2vw, 24px);
  background: var(--card-tone, var(--paper-deep));
  box-shadow: 4px 4px 0 0 var(--ink);
  transform: rotate(var(--card-tilt, -0.4deg));
}
.col-card:nth-of-type(2) { --card-tilt: 0.4deg; }
.col-card:nth-of-type(3) { --card-tilt: -0.5deg; }
.col-card.artifacts  { --card-tone: var(--butter); }
.col-card.questions  { --card-tone: var(--blue-bg); }
.col-card.eclipse    { --card-tone: var(--pink); }

.col-card .section-label .label { color: var(--ink); }

.artifacts-compact { font-family: var(--font-serif); }
.artifacts-compact .art-row {
  padding: 10px 0;
  border-bottom: 1px solid color-mix(in oklab, var(--ink) 22%, transparent);
  display: grid; grid-template-columns: 56px 1fr; gap: 12px;
}
.artifacts-compact .art-row:last-child { border-bottom: none; padding-bottom: 0; }
.artifacts-compact .art-row:first-child { padding-top: 0; }
.artifacts-compact .art-kind {
  font-family: var(--font-sans);
  font-size: 9.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-soft);
  padding-top: 4px;
}
.artifacts-compact .art-name {
  font-family: var(--font-display);
  font-size: 15px; letter-spacing: -0.01em;
  color: var(--ink);
  font-variation-settings: 'opsz' 36, 'SOFT' 70;
}
.artifacts-compact .art-by {
  font-family: var(--font-serif); font-style: italic;
  font-size: 13px; color: var(--ink-soft);
  font-variation-settings: 'opsz' 18, 'SOFT' 100;
  margin-top: 2px;
}

.questions-compact {
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink);
  list-style: none;
}
.questions-compact li {
  padding: 8px 0 8px 22px;
  position: relative;
}
.questions-compact li::before {
  content: '?';
  position: absolute; left: 0; top: 4px;
  font-family: var(--font-display);
  font-size: 22px; line-height: 1;
  color: var(--c-color, var(--ink));
  font-style: italic;
  font-variation-settings: 'opsz' 36, 'SOFT' 100';
}

.eclipse-text {
  font-family: var(--font-serif); font-style: italic;
  font-size: 14.5px; line-height: 1.55;
  color: var(--ink);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
  border-left: 2px solid var(--ink);
  padding-left: 14px;
}

/* Chapter foot — voices + connects */
.chapter-foot {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 3vw, 40px);
  padding-top: 24px;
  border-top: 1px solid var(--ink);
}
.foot-block .section-label { margin-bottom: 12px; }
.voices-list {
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
}
.voices-list a {
  color: var(--c-color, var(--ink));
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--c-color, var(--ink)) 40%, transparent);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.voices-list a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.x-list-subscribe {
  display: inline-block; margin-top: 12px;
  font-family: var(--font-sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.x-list-subscribe:hover { color: var(--ink); }

.connects-list {
  display: flex; flex-direction: column; gap: 8px;
  font-family: var(--font-serif);
}
.connects-list a {
  color: var(--ink); text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px dashed color-mix(in oklab, var(--ink) 28%, transparent);
  cursor: pointer; transition: color 0.15s;
  font-size: 14.5px;
}
.connects-list a:hover { color: var(--coral); }
.connects-list .other-color {
  font-family: var(--font-sans);
  font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--target-color, var(--ink));
  padding-right: 8px;
}

.chapter-meta {
  margin-top: 28px; text-align: right;
  font-family: var(--font-sans); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
}

/* =========================================================
   Drills workspace + reps stack (Cognition; templates to
   the other eight chapters once verified)
   ========================================================= */

.workspace {
  background: var(--blue-bg);
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 0 var(--ink);
  padding: clamp(22px, 2.8vw, 32px) clamp(22px, 2.8vw, 36px);
  margin: clamp(24px, 3vw, 40px) 0 clamp(20px, 2.4vw, 28px);
  transform: rotate(-0.4deg);
  max-width: 78ch;
}
.workspace[data-tier="judgment"] {
  background: var(--coral-bg);
  transform: rotate(0.4deg);
}
.workspace-head { margin-bottom: clamp(16px, 2vw, 22px); }
.workspace-eyebrow {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px;
}
.workspace-eyebrow .label { color: var(--ink); }
.workspace-eyebrow-rule {
  flex: 1; height: 1px; background: var(--ink); opacity: 0.25;
}
.workspace-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.018em;
  margin-bottom: 4px;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.workspace-desc {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(14px, 1.4vw, 16px);
  color: var(--ink-soft);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}

.workspace-prompt {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  padding: clamp(14px, 1.8vw, 20px) clamp(16px, 2vw, 22px);
  margin-bottom: 14px;
}
.workspace-source-pill {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.workspace-prompt-title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin-bottom: 6px;
  font-variation-settings: 'opsz' 36, 'SOFT' 70;
}
.workspace-prompt-summary {
  font-family: var(--font-serif);
  font-size: 14.5px; line-height: 1.5;
  color: var(--ink);
}
.workspace-source-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-sans);
  font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.workspace-source-link:hover { color: var(--ink); }
.workspace-prompt-passage {
  font-family: var(--font-serif);
  font-size: 15.5px; line-height: 1.6;
  color: var(--ink);
}
.workspace-crossing {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.05; letter-spacing: -0.015em;
  margin-bottom: 4px;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.workspace-crossing-x {
  font-family: var(--font-serif); font-style: italic;
  font-weight: 400; font-size: 0.7em; color: var(--ink-soft);
  font-variation-settings: 'opsz' 24, 'SOFT' 100;
}
.workspace-crossing-side { color: var(--side-color, var(--ink)); }

/* Judgment-tier prompt sub-layouts */
.workspace-choose-positions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}
.workspace-choose-pos {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: start;
  padding: 10px 12px;
  background: var(--paper-deep);
  border: 1.5px solid var(--ink);
}
.workspace-choose-letter {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 24px;
  line-height: 1;
  color: var(--coral);
  letter-spacing: -0.02em;
  font-variation-settings: 'opsz' 36, 'SOFT' 100;
}
.workspace-choose-text {
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--ink);
}

.workspace-prompt-orthodoxy {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--ink);
  padding: 10px 0 10px 16px;
  border-left: 3px solid var(--coral);
  font-variation-settings: 'opsz' 36, 'SOFT' 100;
}

.workspace-originate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 6px;
}
.workspace-originate-col .label { display: block; margin-bottom: 6px; }
.workspace-originate-list {
  list-style: none;
  padding: 0;
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink);
}
.workspace-originate-list li {
  padding: 4px 0;
  border-bottom: 1px dashed color-mix(in oklab, var(--ink) 18%, transparent);
}
.workspace-originate-list li:last-child { border-bottom: none; }
@media (max-width: 640px) {
  .workspace-originate-grid { grid-template-columns: 1fr; }
}

/* Unlock note — surfaced once on the literacy → judgment transition */
.unlock-note {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--butter);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 0 var(--ink);
  transform: rotate(-0.3deg);
}
.unlock-note .label { display: block; color: var(--ink); margin-bottom: 6px; }
.unlock-note p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}

.workspace-help {
  font-family: var(--font-serif); font-style: italic;
  font-size: 13.5px; color: var(--ink-soft);
  margin: 0 0 12px;
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}

.workspace-empty {
  font-family: var(--font-serif); font-style: italic;
  font-size: 14.5px; color: var(--ink-soft);
  margin: 0;
}

.workspace-form { display: flex; flex-direction: column; gap: 10px; }
.workspace-textarea {
  font-family: var(--font-serif);
  font-size: 15px; line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--ink);
  padding: 10px 12px;
  resize: vertical;
  min-height: 96px;
}
.workspace-textarea:focus {
  outline: none;
  box-shadow: 2px 2px 0 0 var(--ink);
}

.workspace-submit {
  align-self: flex-start;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 0 var(--butter-deep);
  padding: 9px 18px;
  font-family: var(--font-serif); font-style: italic; font-weight: 500;
  font-size: 14.5px;
  font-variation-settings: 'opsz' 24, 'SOFT' 100;
  cursor: pointer;
  transform: rotate(-0.6deg);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.workspace-submit:hover { transform: rotate(-0.6deg) translate(0.5px, -0.5px); }
.workspace-submit:active {
  transform: rotate(-0.6deg) translate(2px, 2px);
  box-shadow: none;
}
.workspace-submit:disabled {
  opacity: 0.6; cursor: not-allowed;
  transform: rotate(-0.6deg); box-shadow: 4px 4px 0 0 var(--butter-deep);
}

.workspace-feedback { margin-top: 14px; }
.workspace-feedback-panel {
  background: var(--sage-bg);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 0 var(--ink);
  padding: clamp(16px, 2vw, 22px) clamp(18px, 2.2vw, 24px);
  transform: rotate(0.4deg);
  font-family: var(--font-serif);
  font-size: 14.5px; line-height: 1.55;
  color: var(--ink);
}
.workspace-feedback-panel.pending { background: var(--paper-deep); }
.workspace-feedback-panel.error { background: var(--pink); }
.workspace-feedback-eyebrow {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 8px;
}
.workspace-feedback-eyebrow .label { color: var(--ink); }
.workspace-feedback-text p { margin-bottom: 8px; }
.workspace-feedback-text p:last-child { margin-bottom: 0; }
.workspace-feedback-text em {
  font-style: italic;
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}
.workspace-feedback-score {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid color-mix(in oklab, var(--ink) 25%, transparent);
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink);
}

/* ---------- Reps stack ---------- */

.reps {
  margin: clamp(24px, 3vw, 36px) 0 clamp(32px, 4vw, 48px);
}
.reps .section-label {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
}
.reps-count {
  font-family: var(--font-serif); font-style: italic;
  font-size: 12.5px; color: var(--ink-soft);
  font-variation-settings: 'opsz' 18, 'SOFT' 100;
  flex-shrink: 0;
}
.reps-empty {
  font-family: var(--font-serif); font-style: italic;
  font-size: 14.5px; color: var(--ink-soft);
  padding: 16px 18px;
  border: 1.5px dashed color-mix(in oklab, var(--ink) 28%, transparent);
  background: var(--paper);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}

.reps-list { display: flex; flex-direction: column; gap: 10px; }

.rep-card {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 0 var(--ink);
  transform: rotate(var(--rep-tilt, -0.2deg));
}
.rep-card:nth-child(2n) { --rep-tilt: 0.25deg; }
.rep-card:nth-child(3n) { --rep-tilt: -0.3deg; }

.rep-card-summary {
  display: grid;
  grid-template-columns: 60px 90px 1fr 56px;
  gap: 12px;
  align-items: center;
  padding: 10px 14px;
  cursor: pointer;
  list-style: none;
}
.rep-card-summary::-webkit-details-marker { display: none; }
.rep-card-summary:hover { background: var(--paper-deep); }
.rep-card-date { color: var(--ink-soft); }
.rep-card-drill { color: var(--ink); }
.rep-card-drill[data-tier="judgment"] {
  color: var(--coral-ink);
}
.rep-card[data-tier="judgment"] {
  background: color-mix(in oklab, var(--coral-bg) 32%, var(--paper));
}
.rep-card-snippet {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rep-card-score {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--butter);
  border: 1.5px solid var(--ink);
  padding: 3px 8px;
  text-align: center;
}

.rep-card-detail {
  padding: 0 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid color-mix(in oklab, var(--ink) 22%, transparent);
  margin-top: -1px;
  padding-top: 12px;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.5;
}
.rep-card-block .label { display: block; margin-bottom: 6px; color: var(--ink-soft); }
.rep-card-prompt {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  padding: 10px 12px;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}
.rep-card-feedback p { margin-bottom: 6px; }
.rep-card-feedback p:last-child { margin-bottom: 0; }
.rep-card-feedback em {
  font-style: italic;
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}

.reps-show-more {
  margin-top: 12px;
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 0 var(--coral);
  padding: 8px 16px;
  font-family: var(--font-serif); font-style: italic; font-weight: 500;
  font-size: 13.5px;
  font-variation-settings: 'opsz' 24, 'SOFT' 100;
  cursor: pointer;
  transform: rotate(-0.3deg);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.reps-show-more:hover { transform: rotate(-0.3deg) translate(0.5px, -0.5px); }
.reps-show-more:active {
  transform: rotate(-0.3deg) translate(2px, 2px);
  box-shadow: none;
}

@media (max-width: 700px) {
  .workspace, .workspace-feedback-panel, .rep-card, .reps-show-more {
    transform: none;
  }
  .rep-card-summary {
    grid-template-columns: 56px 1fr 48px;
  }
  .rep-card-drill { grid-column: 2; }
  .rep-card-snippet { grid-column: 1 / -1; padding-top: 2px; }
}
@media (prefers-reduced-motion: reduce) {
  .workspace, .workspace-feedback-panel, .workspace-submit, .rep-card, .reps-show-more {
    transform: none !important;
  }
}

/* =========================================================
   Canonical 20% — substrate content layer per chapter
   ========================================================= */

.canonical-twenty {
  margin: clamp(28px, 4vw, 48px) 0 clamp(36px, 5vw, 64px);
  padding-top: clamp(28px, 3.5vw, 44px);
  border-top: 2px solid var(--ink);
}
.canonical-twenty-head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: clamp(28px, 3.5vw, 44px);
}
.canonical-twenty-head .label {
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.22em;
}
.canonical-twenty-rule {
  flex: 1; height: 1px; background: var(--ink); opacity: 0.25;
}

.canonical-section { margin-bottom: clamp(28px, 3.5vw, 48px); }
.canonical-section:last-child { margin-bottom: 0; }

.canonical-section-label {
  display: flex; align-items: center; gap: 12px;
  margin: 0 0 14px;
  font-weight: 400;
}
.canonical-section-label .label {
  color: var(--c-color, var(--ink));
}
.canonical-section-label-rule {
  flex: 1; height: 1px; background: var(--rule);
}

/* Prose sections (concept, vocabulary) */
.canonical-prose {
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.6;
  color: var(--ink);
  max-width: 68ch;
}
.canonical-prose p { margin-bottom: 14px; }
.canonical-prose p:last-child { margin-bottom: 0; }

/* The Names — sticky-note panel (butter Crucible card) */
.canonical-names {
  background: var(--butter);
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 0 var(--ink);
  padding: clamp(20px, 2.6vw, 32px);
  transform: rotate(-0.4deg);
  max-width: 76ch;
}
.canonical-names-group { margin-bottom: 22px; }
.canonical-names-group:last-child { margin-bottom: 0; }
.canonical-names-intro {
  font-family: var(--font-serif); font-style: italic;
  font-size: 14.5px;
  color: var(--ink);
  margin-bottom: 8px;
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}
.canonical-names-list { list-style: none; padding: 0; }
.canonical-names-list li {
  padding: 7px 0;
  border-bottom: 1px solid color-mix(in oklab, var(--ink) 18%, transparent);
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink);
}
.canonical-names-list li:last-child { border-bottom: none; padding-bottom: 0; }
.canonical-names-list li:first-child { padding-top: 0; }
.canonical-names-list li strong { font-weight: 600; }

/* Item-list panels (where-now / open-questions / where-crosses) */
.canonical-panel {
  background: var(--panel-bg, var(--sage-bg));
  border: 2px solid var(--ink);
  box-shadow: 5px 5px 0 0 var(--ink);
  padding: clamp(18px, 2.2vw, 26px) clamp(20px, 2.4vw, 28px);
  transform: rotate(var(--panel-tilt, -0.3deg));
  max-width: 76ch;
}
.canonical-section[data-section="where-now"]      .canonical-panel { --panel-bg: var(--sage-bg);  --panel-tilt: -0.4deg; }
.canonical-section[data-section="open-questions"] .canonical-panel { --panel-bg: var(--blue-bg);  --panel-tilt: 0.4deg; }
.canonical-section[data-section="where-crosses"]  .canonical-panel { --panel-bg: var(--coral-bg); --panel-tilt: -0.3deg; }

.canonical-panel-intro {
  font-family: var(--font-serif); font-style: italic;
  font-size: 14.5px;
  color: var(--ink);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}

.canonical-rows { display: flex; flex-direction: column; }
.canonical-row {
  padding: 10px 0;
  border-bottom: 1px solid color-mix(in oklab, var(--ink) 22%, transparent);
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink);
}
.canonical-row:last-child { border-bottom: none; padding-bottom: 0; }
.canonical-row:first-child { padding-top: 0; }
.canonical-row-lead {
  font-weight: 600;
  color: var(--row-color, var(--ink));
  margin-right: 2px;
}

@media (max-width: 880px) {
  .canonical-names,
  .canonical-panel { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .canonical-names,
  .canonical-panel { transform: none !important; }
}

/* =========================================================
   This Week feed (Frontier Feed)
   ========================================================= */

.this-week {
  margin-bottom: clamp(32px, 4vw, 56px);
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: clamp(18px, 2vw, 26px) clamp(20px, 2.4vw, 28px) clamp(8px, 1.5vw, 14px);
  box-shadow: 4px 4px 0 0 var(--ink);
  transform: rotate(-0.3deg);
}
.this-week-label-row {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--ink);
}
.this-week-label-row .label { color: var(--ink); }
.this-week-label-rule {
  flex: 1; height: 1px; background: var(--ink); opacity: 0.2;
}

.this-week-items { display: flex; flex-direction: column; }
.this-week-item {
  display: grid;
  grid-template-columns: 86px 1fr 64px 18px;
  column-gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: padding 0.15s ease;
}
.this-week-item:last-child { border-bottom: none; }
.this-week-item:hover {
  padding-left: 8px; padding-right: 8px;
  background: var(--paper-deep);
}
.this-week-source {
  font-family: var(--font-sans); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.this-week-title {
  font-family: var(--font-serif); font-size: 15px;
  line-height: 1.4; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.this-week-date {
  font-family: var(--font-serif); font-style: italic;
  font-size: 12.5px; color: var(--ink-soft);
  font-variation-settings: 'opsz' 18, 'SOFT' 100;
  text-align: right; white-space: nowrap;
}
.this-week-arrow {
  font-family: var(--font-display); font-size: 14px;
  color: var(--ink-soft); text-align: right;
  opacity: 0; transition: opacity 0.15s ease;
}
.this-week-item:hover .this-week-arrow { opacity: 1; }

.this-week-skeleton { pointer-events: none; }
.this-week-source-skel,
.this-week-title-skel,
.this-week-date-skel {
  display: block;
  height: 11px;
  background: var(--rule);
  animation: thisWeekPulse 1.4s ease-in-out infinite;
}
.this-week-source-skel { width: 64px; }
.this-week-title-skel { width: 78%; height: 14px; }
.this-week-date-skel { width: 48px; margin-left: auto; }
@keyframes thisWeekPulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 0.75; }
}

/* =========================================================
   CROSSINGS VIEW
   ========================================================= */

.crossings-head {
  display: grid; grid-template-columns: auto 1fr;
  gap: clamp(16px, 2.4vw, 32px);
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 48px);
  padding-bottom: 24px;
  border-bottom: 2px solid var(--ink);
}
.crossings-head .ch-glyph {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(72px, 9vw, 128px); line-height: 0.78;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variation-settings: 'opsz' 144, 'SOFT' 100';
  transform: rotate(-3deg);
  align-self: start;
}
.crossings-head h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 0.92;
  letter-spacing: -0.022em;
  margin-bottom: 8px;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.crossings-head .head-sub {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-soft);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
  max-width: 64ch;
}

.crossings-section { margin-bottom: clamp(48px, 6vw, 80px); }
.crossings-section:last-child { margin-bottom: 0; }

.crossings-section-header {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.018em;
  margin-bottom: 8px;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.crossings-section-count {
  font-family: var(--font-marker);
  font-size: 22px; font-weight: 500;
  color: var(--ink-soft);
  margin-left: 10px;
  vertical-align: 0.15em;
}
.crossings-section-intro {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.45; color: var(--ink-soft);
  margin-bottom: 24px;
  max-width: 68ch;
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}
.crossings-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 2.4vw, 28px);
}

/* Crossing card (same panel pattern as chapter card, lighter shadow) */
.crossing-card {
  position: relative;
  background: var(--card-bg, var(--paper));
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 0 var(--ink);
  padding: clamp(18px, 2vw, 24px);
  display: flex; flex-direction: column; gap: 12px;
  transform: rotate(var(--card-tilt, -0.4deg));
  transition:
    transform 220ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 220ms cubic-bezier(0.22, 1, 0.36, 1);
}
.crossing-card:hover {
  transform: translate(-2px, -3px) rotate(var(--card-tilt, -0.4deg));
  box-shadow: 7px 8px 0 0 var(--ink);
}
.crossing-card:nth-child(2n) { --card-tilt: 0.4deg; }
.crossing-card:nth-child(3n) { --card-tilt: -0.6deg; }
.crossings-section-active     .crossing-card { --card-bg: var(--sage-bg); }
.crossings-section-emerging   .crossing-card { --card-bg: var(--blue-bg); }
.crossings-section-speculative .crossing-card { --card-bg: var(--pink); }

.crossing-pair {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.05; letter-spacing: -0.015em;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.crossing-pair .ch { color: var(--ch-color, var(--ink)); }
.crossing-pair .x {
  font-family: var(--font-serif); font-style: italic;
  font-weight: 400; font-size: 0.85em; color: var(--ink-soft);
  font-variation-settings: 'opsz' 24, 'SOFT' 100;
}

.crossing-body {
  font-family: var(--font-serif);
  font-size: 14.5px; line-height: 1.5; color: var(--ink);
}

.crossing-section-label {
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.crossing-frontier-text {
  font-family: var(--font-serif); font-style: italic;
  font-size: 14.5px; line-height: 1.5;
  color: var(--ink);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}
.crossing-artifact-list { list-style: none; }
.crossing-artifact {
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink);
  padding: 3px 0;
}
.crossing-artifact-type {
  font-family: var(--font-sans);
  font-size: 9.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-soft);
}
.crossing-artifact-sep { color: var(--ink-soft); }
.crossing-artifact-title {
  color: var(--ink); font-weight: 500;
}
a.crossing-artifact-title {
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  color: var(--ink);
}
a.crossing-artifact-title:hover { text-decoration-color: var(--ink); }
.crossing-artifact-source {
  color: var(--ink-soft); font-style: italic;
}

.crossing-launch {
  align-self: flex-start;
  background: var(--paper);
  color: var(--ink);
  border: 1.75px solid var(--ink);
  box-shadow: 3px 3px 0 0 var(--coral);
  padding: 7px 14px;
  font-family: var(--font-serif); font-style: italic; font-weight: 500;
  font-size: 13px;
  font-variation-settings: 'opsz' 24, 'SOFT' 100;
  cursor: pointer;
  margin-top: 4px;
  transform: rotate(-0.4deg);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.crossing-launch:hover {
  transform: rotate(-0.4deg) translate(0.5px, -0.5px);
}
.crossing-launch:active {
  transform: rotate(-0.4deg) translate(2px, 2px);
  box-shadow: none;
}

/* =========================================================
   MARGINALIA (right slide-out tutor panel)
   ========================================================= */

.marginalia-overlay {
  position: fixed; inset: 0;
  background: color-mix(in oklab, var(--ink) 28%, transparent);
  z-index: 99;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.marginalia-overlay.open { opacity: 1; pointer-events: auto; }

.marginalia {
  position: fixed; top: 0; right: 0;
  width: 560px; max-width: 100vw; height: 100vh;
  background: var(--paper);
  border-left: 2px solid var(--ink);
  z-index: 100;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.3, 1);
  display: flex; flex-direction: column;
  box-shadow: -6px 0 0 0 var(--ink);
}
.marginalia.open { transform: translateX(0); }

.m-header {
  padding: 22px 28px 16px;
  border-bottom: 2px solid var(--ink);
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 16px;
  flex-shrink: 0;
}
.m-eyebrow {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.m-eyebrow .label { color: inherit; }
.m-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 32px;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variation-settings: 'opsz' 72, 'SOFT' 70;
}
.m-close {
  background: none; border: none; padding: 0;
  font-family: var(--font-display);
  font-size: 30px; line-height: 1;
  color: var(--ink); cursor: pointer;
}
.m-close:hover { color: var(--coral); }

.m-modes {
  display: flex;
  border-bottom: 1px solid var(--ink);
  flex-shrink: 0;
}
.m-mode {
  flex: 1;
  background: var(--paper);
  color: var(--ink-soft);
  border: none;
  border-right: 1px solid var(--ink);
  padding: 12px 8px;
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
}
.m-mode:last-child { border-right: none; }
.m-mode:hover { color: var(--ink); background: var(--paper-deep); }
.m-mode.active {
  color: var(--paper);
  background: var(--ink);
}

.m-combine {
  padding: 12px 20px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  display: flex; flex-wrap: wrap; gap: 6px;
  align-items: center;
  flex-shrink: 0;
}
.combine-label {
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-right: 6px;
}
.combine-chip {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  padding: 4px 9px;
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.15s;
}
.combine-chip:hover {
  background: var(--paper-deep);
}
.combine-chip.on {
  background: var(--ink);
  color: var(--paper);
}

.m-context {
  padding: 10px 28px;
  background: var(--paper-deep);
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule);
  flex-shrink: 0;
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
}
.m-ctx-section { color: var(--ink); font-weight: 600; }
.clear-btn {
  background: none; border: none; padding: 0;
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); cursor: pointer;
}
.clear-btn:hover { color: var(--coral); }

.m-messages {
  flex: 1; overflow-y: auto;
  padding: 22px 28px;
  display: flex; flex-direction: column; gap: 18px;
}
.m-messages::-webkit-scrollbar { width: 6px; }
.m-messages::-webkit-scrollbar-thumb { background: var(--rule); }

.msg { font-family: var(--font-serif); line-height: 1.55; }
.msg.user {
  font-family: var(--font-serif); font-style: italic;
  font-size: 14px; color: var(--ink);
  background: var(--blue-bg);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 0 var(--ink);
  padding: 10px 14px;
  align-self: flex-end;
  max-width: 86%;
  transform: rotate(0.4deg);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}
.msg.assistant {
  font-family: var(--font-serif);
  font-size: 15px; color: var(--ink);
  padding: 4px 0;
}
.msg.assistant p { margin-bottom: 10px; }
.msg.assistant p:last-child { margin-bottom: 0; }
.msg.assistant em {
  font-style: italic; color: var(--ink-soft);
  font-variation-settings: 'opsz' 22, 'SOFT' 100;
}
.msg.assistant strong { font-weight: 600; }
.msg.assistant code {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  background: var(--paper-deep);
  padding: 1px 5px;
  border: 1px solid var(--rule);
}
.msg.assistant ul,
.msg.assistant ol {
  padding-left: 22px; margin: 6px 0 10px;
}
.msg.assistant li { margin-bottom: 4px; }
.msg.assistant a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.msg.assistant a:hover { text-decoration-color: var(--ink); }

.typing {
  display: inline-flex; gap: 4px;
  padding: 4px 0;
}
.typing span {
  width: 6px; height: 6px;
  background: var(--ink-soft);
  border-radius: 50%;
  animation: bounce 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

.m-actions {
  padding: 12px 28px 8px;
  display: flex; gap: 6px; flex-wrap: wrap;
  border-top: 1px solid var(--rule);
  flex-shrink: 0;
}
.chip {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  color: var(--ink);
  padding: 5px 11px;
  font-family: var(--font-sans);
  font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
}
.chip:hover {
  background: var(--ink);
  color: var(--paper);
}
.chip:disabled { opacity: 0.4; cursor: not-allowed; }

.m-input {
  padding: 12px 28px 22px;
  display: flex; gap: 10px;
  align-items: flex-end;
  border-top: 1px solid var(--rule);
  flex-shrink: 0;
  background: var(--paper);
}
.m-input textarea {
  flex: 1;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  font-family: var(--font-serif);
  font-size: 14.5px;
  color: var(--ink);
  padding: 10px 12px;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  line-height: 1.4;
}
.m-input textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 2px 2px 0 0 var(--ink);
}
.m-input button {
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 0 var(--butter-deep);
  padding: 0 16px;
  font-family: var(--font-serif); font-style: italic;
  font-size: 17px;
  cursor: pointer;
  height: 40px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.m-input button:hover {
  transform: translate(0.5px, -0.5px);
}
.m-input button:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}
.m-input button:disabled {
  opacity: 0.4; cursor: not-allowed;
  transform: none; box-shadow: 3px 3px 0 0 var(--butter-deep);
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 880px) {
  .chapter-grid { grid-template-columns: repeat(2, 1fr); }
  .chapter-body { grid-template-columns: 1fr; gap: 28px; }
  .chapter-foot { grid-template-columns: 1fr; gap: 20px; }
  .crossings-section-grid { grid-template-columns: 1fr; }
  .container { padding-left: clamp(20px, 4vw, 32px); padding-right: clamp(20px, 4vw, 32px); }
  .manifesto { font-size: 16.5px; }
  .breadth-bar { margin-bottom: clamp(40px, 6vw, 64px); }
}
@media (max-width: 520px) {
  .chapter-grid { grid-template-columns: 1fr; }
  .topnav button { padding: 6px 6px; font-size: 10px; }
  .topnav .sep { display: none; }
  .marginalia-trigger { padding: 0 12px; }
  .marginalia-trigger span { display: none; }
  .chapter-head { grid-template-columns: 1fr; gap: 10px; }
  .chapter-head .head-num { font-size: 64px; }
  .hero h1 { font-size: 48px; }
  .marginalia { width: 100vw; }
  .breadth-bar-numeral { font-size: 16px; }
  .this-week-item {
    grid-template-columns: 64px 1fr 50px 14px;
    column-gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .chapter-card,
  .crossing-card,
  .col-card,
  .this-week,
  .marginalia-trigger,
  .crossing-launch,
  .breadth-bar-track,
  .crossings-head .ch-glyph,
  .chapter-head .head-num,
  .card-numeral,
  .msg.user {
    transform: none !important;
  }
}