:root{--paper:#f6f3ee;--forest:#1e2a23;--ink:#1a1a1a;--serif:'Cormorant Garamond',Georgia,serif;--sans:'IBM Plex Sans',Arial,sans-serif}body{background:var(--paper);color:var(--ink)}.chapter-shell{max-width:1184px;margin:auto;padding:0 48px}.chapter-title{max-width:696px;margin:62px auto 32px;font:400 clamp(56px,7vw,104px)/.94 var(--serif);letter-spacing:-.04em;color:var(--forest)}.chapter-rule{max-width:696px;margin:32px auto 64px;border-bottom:1px solid #d9d4ca}.essay{max-width:696px;margin:auto;font:400 clamp(18px,1.55vw,21px)/1.73 var(--sans)}.essay p{margin:0 0 1.75em}.constitutive-value{margin:0 0 72px;scroll-margin-top:36px}.constitutive-value h2{font:400 clamp(30px,3vw,42px)/1.12 var(--serif);margin:0 0 26px;color:var(--forest)}.polarity{font-size:16px;line-height:1.6;border-left:2px solid #b1b5a6;padding-left:22px;color:#454c42}.polarity strong{font-weight:500}.matrix-section{width:100%;max-width:1600px;margin:48px auto 80px;padding:0 24px;box-sizing:border-box}.matrix-instructions{font:14px/1.6 var(--sans);max-width:696px;margin:0 auto 24px;color:#555d50}.matrix-scroll{overflow-x:auto;overscroll-behavior-x:contain;max-width:100%;padding:4px;scrollbar-color:#80917b #f6f3ee}.matrix-scroll:focus-visible{outline:2px solid #283d30;outline-offset:2px}.matrix-paint{position:relative;min-width:1240px;height:1600px;background:linear-gradient(#f6f3ee29,#f6f3ee29),url('/assets/P08-IX-matrix-paint.webp') center/100% 100% no-repeat;box-sizing:border-box}.values-matrix{position:absolute;left:3.25%;top:4%;width:88.9%;height:90.8%;table-layout:fixed;border-collapse:collapse;font:400 19px/1.25 'Kalam',var(--sans);color:#0a1612}.values-matrix .value-col{width:14.35%}.values-matrix th,.values-matrix td{border:0;background:none;text-align:center;vertical-align:middle;padding:10px 12px;font-weight:400}.values-matrix thead{height:12.25%}.values-matrix tbody{height:87.75%}.values-matrix tbody tr{height:12.5%}.values-matrix th{font-size:22px;line-height:1.22}.matrix-cell{font:inherit;color:inherit;background:transparent;border:0;border-radius:0;display:block;width:100%;padding:8px 2px;min-height:60px;cursor:pointer;text-align:center;line-height:inherit}.matrix-cell:hover{color:#000;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}.matrix-cell:focus-visible,.matrix-cell[aria-expanded=true]{outline:2px solid #274f3c;outline-offset:4px}.matrix-explanation[hidden]{display:none}.matrix-explanation{position:fixed;z-index:1000;width:min(420px,calc(100vw - 24px));max-height:calc(100dvh - 24px);overflow:auto;padding:28px;background:#fbf8f1;color:#1a241d;box-shadow:0 8px 32px #19282035;border:1px solid #b5bead;box-sizing:border-box;font:16px/1.65 var(--sans)}.explanation-close{position:absolute;top:5px;right:5px;width:44px;height:44px;border:0;background:none;font:28px/1 var(--sans);cursor:pointer;color:inherit}.explanation-context{font:12px/1.45 var(--sans);padding-right:20px;color:#56634f;margin:0 0 14px}.matrix-explanation h2{font:400 27px/1.2 var(--serif);margin:0 0 16px}.explanation-copy{margin:0}.matrix-readable{max-width:696px;margin:30px auto;font:16px/1.65 var(--sans)}.matrix-readable>summary{cursor:pointer;color:#344a37}.matrix-readable details{padding:14px 0;border-bottom:1px solid #d9d4ca}.matrix-readable details summary{cursor:pointer}.matrix-readable p{margin:16px 0}.final-line{padding-bottom:60px}.chapter-end{display:flex;gap:24px;justify-content:space-between;max-width:696px;margin:0 auto 90px;font:14px/1.5 var(--sans)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:700px){.chapter-shell{padding:0 24px}.chapter-title{font-size:clamp(48px,14vw,72px);margin-top:44px}.essay{font-size:18px;line-height:1.68}.constitutive-value{margin-bottom:56px}.matrix-section{padding:0 12px}.matrix-paint{height:1600px}.matrix-instructions{padding:0 12px}.matrix-readable{padding:0 12px}.chapter-end{flex-wrap:wrap}.matrix-explanation{padding:26px 22px}.chapter-rule{margin-bottom:44px}}
@media print{.matrix-scroll{overflow:visible}.matrix-paint{min-width:0;background:none;height:auto}.values-matrix{position:static;width:100%;height:auto}.matrix-cell{font-size:10pt}.values-matrix th{font-size:11pt}.matrix-explanation{display:none}.matrix-readable{display:block}.matrix-readable details{display:block}}

/* Explicit tracks keep text registered to brush bands rather than intrinsic row sizing. */
.values-matrix{display:grid;grid-template-rows:12.25% repeat(8,10.96875%)}
.values-matrix colgroup{display:none}
.values-matrix thead,.values-matrix tbody{display:contents}
.values-matrix tr{display:grid;grid-template-columns:14.35% repeat(6,14.275%);min-height:0}
.values-matrix tbody tr{height:auto}
.values-matrix th,.values-matrix td{display:flex;align-items:center;justify-content:center;min-width:0;min-height:0}
@media print{.values-matrix{display:table}.values-matrix thead{display:table-header-group}.values-matrix tbody{display:table-row-group}.values-matrix tr{display:table-row}.values-matrix th,.values-matrix td{display:table-cell}}

/* Ben-locked Chapter IX opener: full artwork, established chapter placement. */
.unit9-opening{max-width:940px;margin:0 auto 62px;break-inside:avoid;page-break-inside:avoid}
.unit9-opening img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:var(--paper)}
@media(max-width:800px){.unit9-opening{margin-bottom:44px}}
@media(max-width:480px){.unit9-opening{margin:0 -4px 38px}}

/* Exact complete paired exports; source pixels and embedded labels remain intact. */
.ix-polarity-figure{width:min(800px,calc(100vw - 48px));max-width:none;position:relative;left:50%;transform:translateX(-50%);margin:28px 0 30px;break-inside:avoid}
.ix-pair-link{display:block;cursor:zoom-in}
.ix-polarity-figure img{display:block;width:100%;height:auto;object-fit:contain}
.ix-polarity-figure figcaption{margin-top:8px;text-align:right;font:13px/1.5 var(--sans)}
.ix-polarity-figure figcaption a{display:inline-flex;align-items:center;min-height:44px;color:#454c42;text-underline-offset:3px}
.ix-pair-link:focus-visible,.ix-polarity-figure figcaption a:focus-visible{outline:2px solid #274f3c;outline-offset:4px}
@media(max-width:700px){.ix-polarity-figure{width:100%;position:static;transform:none;margin:24px 0 26px}}

/* Unit IX only: reversible 05A narrow inspection and matrix reading candidate. */
.ix-pair-control,.ix-matrix-controls{display:none}
.ix-value-group h3{display:none;font:400 28px/1.2 var(--serif);color:var(--forest)}
.ix-entry-context{display:none;font-size:14px;color:#454c42}
.ix-inspection{padding:0;border:1px solid #b5bead;background:var(--paper);color:var(--ink);width:calc(100vw - 32px);max-width:1100px;max-height:calc(100dvh - 32px);box-sizing:border-box;font:16px/1.5 var(--sans)}
.ix-inspection::backdrop{background:#152019b8}
.ix-inspection-shell{display:flex;flex-direction:column;max-height:calc(100dvh - 36px)}
.ix-inspection header{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;flex-shrink:0}
.ix-inspection h2{font:400 26px/1.15 var(--serif);margin:0;flex:1;overflow-wrap:anywhere}
.ix-inspection button,.ix-matrix-controls button,.ix-matrix-controls select{font:16px/1.4 var(--sans);color:#1e2a23;min-width:44px;min-height:44px;border:1px solid #80917b;background:var(--paper);padding:8px 12px;cursor:pointer;border-radius:2px}
.ix-inspection button:focus-visible,.ix-image-scroll:focus-visible,.ix-matrix-controls :focus-visible,.ix-narrow summary:focus-visible{outline:2px solid #274f3c;outline-offset:3px}
.ix-inspection button:disabled{opacity:.45;cursor:default}
.ix-inspection button[aria-pressed=true],.ix-matrix-controls button[aria-pressed=true]{background:#1e2a23;color:#f6f3ee}
.ix-image-tools{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px;flex-shrink:0}
.ix-image-scroll{overflow:auto;overscroll-behavior:contain;touch-action:pan-x pan-y;min-height:0;height:65dvh;margin:0 16px 16px;flex:1 1 auto}
.ix-image-scroll img{display:block;max-width:none;object-fit:contain}
.ix-sheet-copy{overflow:auto;overscroll-behavior:contain;padding:0 16px 16px;min-height:0}
.ix-sheet-copy h3{font:400 26px/1.25 var(--serif);margin:0 0 16px}.ix-sheet-copy p{margin:0}
.ix-inspection [hidden],.matrix-section [hidden]{display:none!important}
.ix-modal-open{overflow:hidden}
@media(max-width:959px){
 .ix-polarity-figure{width:100%;position:static;transform:none;margin:24px 0 0}
 .constitutive-value{margin-bottom:40px}
 .ix-pair-control{display:flex;align-items:center;justify-content:flex-end;min-height:44px;margin-top:8px;font:13px/1.5 var(--sans);text-decoration:underline;color:#454c42}
 .ix-polarity-figure figcaption{display:none}
 .ix-narrow .ix-matrix-controls{display:block;max-width:696px;margin:0 auto 24px;padding:0 12px}
 .ix-view-switch{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
 .ix-value-tools{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
 .ix-value-tools select{width:100%;max-width:100%;white-space:normal}
 .ix-narrow .matrix-readable>summary{display:none}
 .ix-narrow .matrix-readable{margin-top:0;font-size:16px;line-height:1.5}
 .ix-narrow .ix-value-group h3{display:block;position:sticky;top:var(--ix-header-offset,80px);background:var(--paper);z-index:2;padding:12px 0;margin:0;overflow-wrap:anywhere}
 .ix-narrow .ix-entry-context{display:block}
 .ix-narrow .matrix-readable details summary{min-height:44px;padding:8px 0;box-sizing:border-box;overflow-wrap:anywhere}
 .ix-narrow .matrix-readable details{padding:8px 0}
 .ix-narrow .matrix-readable p{overflow-wrap:anywhere}
}
@media(max-height:500px){.ix-narrow .ix-value-group h3{position:static}.ix-inspection header{padding-top:8px;padding-bottom:8px}.ix-image-tools{padding-bottom:8px;gap:4px}.ix-image-scroll{height:45dvh}}
@media print{.ix-matrix-controls,.ix-pair-control,.ix-inspection{display:none!important}.matrix-section [hidden]{display:block!important}.ix-narrow .matrix-readable>summary{display:block}.ix-narrow .ix-value-group h3{position:static}}

/* 05A correction: whole painted composition precedes both detail and text. */
.ix-matrix-overview{display:none;max-width:696px;margin:0 auto 24px;padding:0 4px}
.ix-overview-trigger{cursor:zoom-in}
.ix-overview-trigger:focus-visible{outline:2px solid #274f3c;outline-offset:4px}
.ix-overview-paint{position:relative;width:100%;overflow:hidden;pointer-events:none}
.ix-overview-paint .matrix-paint{position:absolute;left:0;top:0;width:1240px;min-width:1240px;height:1600px;transform-origin:0 0}
.ix-preview-cell{font:inherit;color:inherit;display:block;width:100%;padding:8px 2px;min-height:60px;text-align:center;line-height:inherit}
.ix-explore-label{display:flex;align-items:center;min-height:44px;justify-content:flex-end;font:16px/1.5 var(--sans);color:#344a37;text-decoration:underline;text-underline-offset:3px}
.ix-text-route{font:16px/1.5 var(--sans);color:#344a37;background:none;border:0;min-height:44px;padding:8px 0;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.ix-text-route:focus-visible{outline:2px solid #274f3c;outline-offset:4px}
.ix-matrix-tools{display:flex;flex-wrap:wrap;gap:4px;padding:0 12px 8px;flex-shrink:0}
.ix-matrix-tools button{padding:8px}
.ix-selected-context{font:16px/1.4 var(--sans);padding:0 12px;margin:0 0 8px;flex-shrink:0;overflow-wrap:anywhere}
.ix-matrix-host{height:65dvh;min-height:0;flex:1 1 auto;overflow:hidden;margin:0 12px 12px}
.ix-matrix-host .matrix-scroll{height:100%;width:100%;overflow:auto;overscroll-behavior:contain;touch-action:pan-x pan-y;padding:0}
.ix-matrix-plane{position:relative}
.ix-matrix-explanation{padding:0 16px 16px;overflow:auto;min-height:0;font:16px/1.5 var(--sans)}
.ix-matrix-explanation h3{font:400 26px/1.25 var(--serif);margin:16px 0}
.ix-matrix-explanation p{margin:0}
@media(max-width:959px){.ix-narrow .ix-matrix-overview{display:block}}
@media(max-height:500px){.ix-matrix-host{height:45dvh}.ix-selected-context{font-size:14px}}
@media print{.ix-matrix-overview{display:none!important}}

/* Matrix lettering is ink on paint, never inspection-toolbar button chrome. */
.ix-matrix-explorer .matrix-cell{font:inherit;color:inherit;background:transparent;border:0;border-radius:0;box-shadow:none;min-width:0;min-height:60px;width:100%;padding:8px 2px;text-align:center;line-height:inherit}
.matrix-cell:focus-visible,.matrix-cell[aria-expanded=true],.ix-matrix-explorer .matrix-cell:focus-visible{outline:none;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

/* Ben's optical centring: domain columns 2–3 sit slightly left within paint. */
.values-matrix tr>:nth-child(3),.values-matrix tr>:nth-child(4){padding-left:0;padding-right:24px}

/* Constitutive Value names open their own unchanged Chapter IX paragraphs. */
.ix-value-cell,.ix-matrix-explorer .ix-value-cell{font:inherit;color:inherit;background:transparent;border:0;border-radius:0;box-shadow:none;min-width:0;min-height:44px;width:100%;padding:0;cursor:pointer;text-align:center;line-height:inherit}
.ix-value-cell:hover,.ix-value-cell:focus-visible,.ix-value-cell[aria-expanded=true],.ix-matrix-explorer .ix-value-cell:focus-visible{outline:none;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

/* Ben's reversible hierarchy trial: forest titles, charcoal-brown practice ink. */
.values-matrix th{color:#203b2d;font-weight:700}
.values-matrix td{color:#514239}

/* Registration measured against painted colour transitions, not equal columns.
   At 1292px paint width: x edges42,210,369,520,692,865,1028,1216. */
.values-matrix{width:90.867%}
.values-matrix tr{grid-template-columns:14.31005% 13.54344% 12.86201% 14.65077% 14.73595% 13.88416% 16.01363%}
.values-matrix tr>:nth-child(n){padding-left:12px;padding-right:12px}

/* Live domain headings share the existing ink-on-paint interaction. */
.ix-domain-cell,.ix-matrix-explorer .ix-domain-cell{font:inherit;color:inherit;background:transparent;border:0;border-radius:0;box-shadow:none;min-width:0;min-height:44px;width:100%;padding:0;cursor:pointer;text-align:center;line-height:inherit}
.ix-domain-cell:hover,.ix-domain-cell:focus-visible,.ix-domain-cell[aria-expanded=true],.ix-matrix-explorer .ix-domain-cell:focus-visible{outline:none;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

/* Optical registration follows the interior bands, not their overlapping edges. */
.values-matrix{left:3.25077%;width:89.62848%;grid-template-rows:180fr 151fr 155fr 158fr 165fr 161fr 166fr 158fr 159fr}
.values-matrix tr{grid-template-columns:166fr 152fr 160fr 166fr 173fr 168fr 173fr}
.ix-pair-link{cursor:default}
@media(max-width:959px){.ix-pair-link{cursor:zoom-in}}


/* Axis directions are now marginal handwritten annotations aligned to the paint.
   The original watercolor, matrix row/column tracks and all interactive cells are untouched. */
.matrix-paint > .ix-painted-axis-labels{
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  color:#385044;
  font:400 17px/1.18 'Kalam',var(--sans);
  letter-spacing:-.025em;
  white-space:nowrap;
}
.ix-painted-axis-labels .ix-axis-domains,
.ix-painted-axis-labels .ix-axis-values{
  display:block;
  position:absolute;
}
/* Read bottom to top, immediately left of the Learning Methods header. */
.ix-painted-axis-labels .ix-axis-domains{
  left:calc(14.55% - 20px);
  top:9.624%;
  transform:translate(-50%,-50%) rotate(-90deg);
  transform-origin:center;
  text-align:center;
}
/* Centred over the first value cell, Organic Inquiry. */
.ix-painted-axis-labels .ix-axis-values{
  left:9.6749%;
  top:calc(12.7% + 20px);
  transform:translateX(-50%);
  text-align:center;
}
@media print{
  .matrix-paint > .ix-painted-axis-labels{display:none}
}