/* =========================================================================
   Anatomy section — Hollick / makingsoftware.com flavor.
   Scoped to .anatomy-wrap only. Outside this wrapper, the rest of the site
   keeps its existing palette and layout.
   ========================================================================= */

.anatomy-wrap {
  /* Local color tokens — these override only inside this section. */
  --ink:   #1C1A14;
  --ink-2: #3a352a;
  --ink-3: #6b6453;
  --paper: #F1EAD6;
  --paper-2: #E7DEC4;
  --paper-3: #D7CBAB;
  --rust:  #C04E26;
  --rust-soft: #E5BFA9;
  --navy:  #1F3553;
  --navy-soft: #BBC4D3;
  --olive: #6B6B2F;
  --moss:  #4A6B3F;
  --ochre: #B8862A;
  --rule:  #B5A98A;
  --rule-thin: #C8BC9D;

  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 56px 0 72px 0;
  margin: 64px 0 64px 0;
  /* break out of the main grid centring so the paper field bleeds full-width */
  position: relative;
}

/* subtle dot grid behind the whole section */
.anatomy-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--ink) 0.6px, transparent 0.6px);
  background-size: 16px 16px;
  background-position: 0 0;
  opacity: 0.045;
  pointer-events: none;
}

.anatomy-wrap > .anatomy-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.anatomy-wrap .anatomy-eyebrow {
  font-family: var(--ui-font);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 700;
  margin-bottom: 6px;
}

.anatomy-wrap h2.anatomy-title {
  font-family: var(--ui-font);
  font-weight: 700;
  font-size: 36px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 4px 0 8px 0;
  line-height: 1.05;
}

.anatomy-wrap h2.anatomy-title .amp {
  font-family: "Source Serif Pro", serif;
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--rust);
  letter-spacing: 0;
  margin: 0 8px;
}

.anatomy-wrap .anatomy-lede {
  font-family: "Source Serif Pro", serif;
  font-size: 17px;
  line-height: 1.55;
  max-width: 640px;
  color: var(--ink-2);
  margin: 0 0 36px 0;
}

.anatomy-wrap .anatomy-lede em { color: var(--rust); font-style: italic; }

/* horizontal "manual" rule with a label inset */
.anatomy-wrap .anatomy-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 56px 0 22px 0;
  font-family: var(--ui-font);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.anatomy-wrap .anatomy-divider::before,
.anatomy-wrap .anatomy-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--rule);
}
.anatomy-wrap .anatomy-divider .ord {
  font-family: "Source Serif Pro", serif;
  font-style: italic;
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0;
  color: var(--rust);
  text-transform: none;
}

/* the figure cards — flat with a subtle inset border */
.anatomy-wrap .anatomy-figure {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
  margin: 0 0 24px 0;
  position: relative;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.35),
    0 1px 0 rgba(28,26,20,0.04);
}

.anatomy-wrap .anatomy-figure .fig-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 22px;
  border-bottom: 1px solid var(--rule-thin);
  font-family: var(--ui-font);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.anatomy-wrap .anatomy-figure .fig-head .fig-num {
  color: var(--rust);
  font-family: "Source Serif Pro", serif;
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  font-size: 13px;
  letter-spacing: 0;
  margin-right: 10px;
}

.anatomy-wrap .anatomy-figure .fig-body {
  padding: 22px 22px 18px 22px;
  position: relative;
}

.anatomy-wrap .anatomy-figure .fig-caption {
  font-family: "Source Serif Pro", serif;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-2);
  padding: 0 24px 22px 24px;
  max-width: 760px;
}
.anatomy-wrap .anatomy-figure .fig-caption b { color: var(--ink); }
.anatomy-wrap .anatomy-figure .fig-caption .small {
  font-family: var(--ui-font);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
  margin-right: 8px;
  font-weight: 700;
}

/* the controls strip at the bottom of each figure */
.anatomy-wrap .anatomy-figure .fig-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  padding: 12px 22px;
  border-top: 1px dashed var(--rule-thin);
  font-family: var(--ui-font);
  font-size: 12px;
  background: var(--paper-2);
}
.anatomy-wrap .anatomy-figure .fig-controls .ctl {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}
.anatomy-wrap .anatomy-figure .fig-controls .ctl label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.anatomy-wrap .anatomy-figure .fig-controls .ctl-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.anatomy-wrap .anatomy-figure .fig-controls .ctl-row .val {
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  font-weight: 600;
  min-width: 36px;
  text-align: right;
}

.anatomy-wrap input[type="range"].anatomy-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 170px;
  height: 4px;
  background: var(--paper-3);
  border-radius: 2px;
  outline: none;
  border: 1px solid var(--rule);
}
.anatomy-wrap input[type="range"].anatomy-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--ink);
  border: 2px solid var(--paper);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--ink);
  cursor: pointer;
}
.anatomy-wrap input[type="range"].anatomy-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--ink);
  border: 2px solid var(--paper);
  border-radius: 50%;
  cursor: pointer;
}

.anatomy-wrap button.anatomy-btn {
  font-family: var(--ui-font);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 6px 12px;
  background: var(--paper);
  border: 1px solid var(--ink);
  color: var(--ink);
  border-radius: 2px;
  cursor: pointer;
}
.anatomy-wrap button.anatomy-btn:hover { background: var(--ink); color: var(--paper); }
.anatomy-wrap button.anatomy-btn[aria-pressed="true"] { background: var(--rust); color: var(--paper); border-color: var(--rust); }

/* The SVG canvases ------------------------------------------------------- */

.anatomy-wrap svg.anatomy-svg {
  display: block;
  width: 100%;
  height: auto;
  font-family: var(--ui-font);
}

.anatomy-wrap svg.anatomy-svg text {
  fill: var(--ink);
  font-family: var(--ui-font);
}
.anatomy-wrap svg.anatomy-svg .lbl {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  font-feature-settings: "tnum";
  fill: var(--ink);
}
.anatomy-wrap svg.anatomy-svg .lbl-sm {
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  fill: var(--ink-3);
  text-transform: uppercase;
}
.anatomy-wrap svg.anatomy-svg .lbl-title {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  fill: var(--ink);
}
.anatomy-wrap svg.anatomy-svg .lbl-num {
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  fill: var(--rust);
}
.anatomy-wrap svg.anatomy-svg .lbl-mono {
  font-family: var(--mono-font);
  font-size: 10px;
  fill: var(--ink-2);
}

/* Generic shapes inside the diagrams */
.anatomy-wrap svg .stroke-ink   { stroke: var(--ink);   fill: none; stroke-width: 1.2; }
.anatomy-wrap svg .stroke-thin  { stroke: var(--ink-3); fill: none; stroke-width: 1; }
.anatomy-wrap svg .stroke-rust  { stroke: var(--rust);  fill: none; stroke-width: 1.2; }
.anatomy-wrap svg .stroke-navy  { stroke: var(--navy);  fill: none; stroke-width: 1.2; }
.anatomy-wrap svg .stroke-moss  { stroke: var(--moss);  fill: none; stroke-width: 1.2; }
.anatomy-wrap svg .stroke-ochre { stroke: var(--ochre); fill: none; stroke-width: 1.2; }
.anatomy-wrap svg .fill-paper   { fill: var(--paper); }
.anatomy-wrap svg .fill-paper2  { fill: var(--paper-2); }
.anatomy-wrap svg .fill-paper3  { fill: var(--paper-3); }
.anatomy-wrap svg .fill-rust    { fill: var(--rust); }
.anatomy-wrap svg .fill-navy    { fill: var(--navy); }
.anatomy-wrap svg .fill-ochre   { fill: var(--ochre); }
.anatomy-wrap svg .fill-moss    { fill: var(--moss); }
.anatomy-wrap svg .fill-ink     { fill: var(--ink); }

/* dashed phantom lines (for hidden parts) */
.anatomy-wrap svg .phantom { stroke: var(--ink-3); stroke-width: 0.8; stroke-dasharray: 2 3; fill: none; }

/* tick marks for dimension lines */
.anatomy-wrap svg .dim-line  { stroke: var(--ink-3); stroke-width: 0.8; }
.anatomy-wrap svg .dim-tick  { stroke: var(--ink-3); stroke-width: 0.8; }

/* a sturdy callout-circle component used by every figure */
.anatomy-wrap svg .callout-leader {
  stroke: var(--ink);
  stroke-width: 0.9;
  fill: none;
}
.anatomy-wrap svg .callout-circle {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1.1;
}
.anatomy-wrap svg .callout-num {
  fill: var(--rust);
  font-family: var(--ui-font);
  font-size: 10.5px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: central;
  font-feature-settings: "tnum";
}

/* hatched pattern */
.anatomy-wrap svg .hatch { fill: url(#hatch-ink); }

/* legend chip */
.anatomy-wrap .anatomy-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--ui-font);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  padding: 6px 22px 14px 22px;
}
.anatomy-wrap .anatomy-legend .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.anatomy-wrap .anatomy-legend .chip::before {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--ink);
  border-radius: 2px;
  display: inline-block;
}
.anatomy-wrap .anatomy-legend .chip.context::before  { background: var(--navy); }
.anatomy-wrap .anatomy-legend .chip.target::before   { background: var(--ochre); }
.anatomy-wrap .anatomy-legend .chip.predictor::before{ background: var(--rust); }
.anatomy-wrap .anatomy-legend .chip.ema::before      { background: var(--moss); }
.anatomy-wrap .anatomy-legend .chip.loss::before     { background: var(--ink); }

/* "stop-grad" hash symbol */
.anatomy-wrap svg .stopgrad-bar {
  stroke: var(--ink);
  stroke-width: 1.4;
}

/* readout panels: little annotated info that hugs a figure */
.anatomy-wrap .readout {
  font-family: var(--ui-font);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  border: 1px solid var(--rule-thin);
  background: var(--paper-2);
  padding: 8px 12px;
  border-radius: 2px;
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  font-weight: 600;
}
.anatomy-wrap .readout .v {
  font-family: var(--mono-font);
  font-size: 14px;
  color: var(--ink);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 500;
}

/* mobile: tighter */
@media (max-width: 760px) {
  .anatomy-wrap { padding: 36px 0; margin: 32px 0; }
  .anatomy-wrap h2.anatomy-title { font-size: 24px; letter-spacing: 0.04em; }
  .anatomy-wrap .anatomy-lede { font-size: 15px; }
  .anatomy-wrap .anatomy-figure .fig-body { padding: 16px 14px; }
  .anatomy-wrap .anatomy-figure .fig-controls { gap: 10px 14px; padding: 10px 14px; }
  .anatomy-wrap input[type="range"].anatomy-slider { width: 130px; }
}

/* TOC entry highlight for anatomy section uses the same active style. */