/* Co-Professor live page.
   Adapted from the Codex editorial design (site/variants/editorial/editorial.css on
   codex/teaching-and-research-homepage, commit 2aa8fde). The Scroll Craft engine is
   gone: the few base rules it supplied are in "Base" below, and live.js adds the
   reveals with an IntersectionObserver.
   Fonts: STIX Two Text and Instrument Sans, self-hosted, SIL Open Font License 1.1
   (fonts/OFL-STIX-Two-Text.txt and fonts/OFL-Instrument-Sans.txt). */

@font-face { font-family: "STIX Two Text"; font-style: normal; font-weight: 400 600; font-display: swap; src: url("fonts/stix-two-text.woff2") format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-style: normal; font-weight: 400 600; font-display: swap; src: url("fonts/instrument-sans.woff2") format("woff2"); }

/* Tokens */
:root {
  --canvas: #f1f3f6;
  --surface: #fff;
  --band: #e8edf6;
  --ink: #172338;
  --ink-soft: #506078;
  --accent: #244ed1;
  --accent-hover: #173aab;
  --hairline: #cbd3e0;
  --check-fill: #e3eafc;
  --font-display: "STIX Two Text", Georgia, serif;
  --font-text: "Instrument Sans", Arial, sans-serif;
  --section: clamp(56px, 7vw, 112px);
  --gutter: clamp(22px, 5.4vw, 88px);
  --fine: 13px; /* fine print: 13 px on desktop, 14 px on phones (see the 760 px query) */
  --ease-out: cubic-bezier(.23, 1, .32, 1);
  color-scheme: light;
  caret-color: var(--accent);
  accent-color: var(--accent);
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--font-text); font-size: 17px; line-height: 1.65; letter-spacing: -.005em; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; font-synthesis-weight: none; overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
[hidden] { display: none !important; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .22em; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
button { cursor: pointer; }
button:disabled { opacity: .5; cursor: wait; }
button, a { -webkit-tap-highlight-color: transparent; transition: color 150ms ease-out, background-color 150ms ease-out, border-color 150ms ease-out, opacity 150ms ease-out; }
button:active, .text-action:active, .primary-action:active { transform: translateY(1px); }
summary { cursor: pointer; }
textarea { resize: vertical; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.page-width { max-width: 1440px; margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: 20px; top: 12px; z-index: 10; padding: 10px 16px; background: var(--accent); color: #fff; transform: translateY(-160%); }
.skip:focus { transform: none; }
figcaption { max-width: 65ch; margin-top: 28px; color: var(--ink-soft); font-size: var(--fine); line-height: 1.6; }

/* Masthead */
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 26px; padding-bottom: 22px; border-bottom: 1px solid #d7deea; }
.wordmark { color: var(--ink); font: 600 26px/1.1 var(--font-display); letter-spacing: -.035em; text-decoration: none; }
.wordmark span { display: block; margin-top: 6px; font: 400 12px/1.6 var(--font-text); letter-spacing: .12em; text-transform: uppercase; }
.masthead nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.masthead nav a { color: var(--ink); text-decoration: none; }
.masthead nav .nav-action { display: inline-flex; align-items: center; min-height: 44px; padding: 10px 16px; border: 1px solid transparent; background: var(--ink); color: #fff; white-space: nowrap; }
.link-arrow { display: inline-block; flex: 0 0 auto; width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; vertical-align: middle; }
.nav-action .link-arrow { margin-left: 12px; }
.text-action .link-arrow { margin-left: 8px; }
.colophon-bottom .link-arrow { width: 13px; height: 13px; }

/* Shared type */
h1 { max-width: 850px; font: 400 clamp(48px, 5.2vw, 74px)/1.035 var(--font-display); letter-spacing: -.047em; }
h1 em { color: var(--accent); font-style: normal; }
h2 { font: 400 clamp(40px, 4.3vw, 64px)/1.07 var(--font-display); letter-spacing: -.035em; }
.chapter { padding-block: var(--section); }
.chapter-name { margin-bottom: 24px; font-size: 13px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
.chapter-intro { max-width: 64ch; margin-top: 24px; color: var(--ink-soft); font-size: 18px; line-height: 1.7; }
.text-action { display: inline-block; font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 7px; }
.route-link { margin-top: 35px; font-size: 15px; }
.figure-label { color: var(--ink-soft); font-size: 12px; letter-spacing: .06em; }

/* Hero */
.title-page { padding-top: clamp(44px, 5.5vw, 80px); padding-bottom: 64px; }
.hero-main { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 90px); align-items: center; }
.audience { margin-bottom: 24px; color: var(--ink-soft); font-size: 14px; font-weight: 600; letter-spacing: .035em; }
.introduction { max-width: 54ch; margin-top: 26px; color: var(--ink-soft); font-size: 17px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 28px; margin-top: 30px; font-size: 15px; }
.primary-action { display: inline-flex; align-items: center; gap: 28px; min-height: 48px; padding: 12px 20px; border: 1px solid transparent; background: var(--accent); color: #fff; font-weight: 600; text-decoration: none; }
.context-figure { position: relative; isolation: isolate; padding: 14px 0 0 12px; }
.context-back { position: absolute; inset: 0 12px 62px 0; z-index: -1; background: #dce4f4; border: 1px solid #c1cde3; rotate: -3deg; }
.context-paper { padding: clamp(24px, 2.7vw, 38px); background: var(--surface); border: 1px solid var(--hairline); box-shadow: 0 18px 40px -28px #425776; }
.context-paper h2 { margin-top: 17px; font-size: clamp(26px, 2.4vw, 34px); line-height: 1.15; letter-spacing: -.025em; }
.context-list { margin-top: 24px; }
.context-list div { padding: 13px 0; border-top: 1px solid #dbe1ec; }
.context-list dt { color: var(--accent); font-size: 13px; font-weight: 600; }
.context-list dd { margin-top: 4px; color: var(--ink-soft); font-size: var(--fine); line-height: 1.6; }
.context-footnote { margin-top: 15px; font: 400 16px/1.5 var(--font-display); }
.context-figure figcaption { margin: 15px 0 0 4px; }

/* Mission */
.mission-band { padding-block: clamp(40px, 4.2vw, 60px); background: var(--accent); color: #fff; }
.mission-inner { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); align-items: center; gap: clamp(40px, 6vw, 88px); }
.mission-band h2 { max-width: 30ch; font: 400 clamp(34px, 3.3vw, 48px)/1.12 var(--font-display); letter-spacing: -.025em; text-wrap: balance; }
.mission-support { padding-left: 32px; border-left: 1px solid #9eb5ff; color: #fff; font-size: 17px; line-height: 1.6; }
.mission-support span { display: block; }
.mission-support span + span { margin-top: 7px; }

/* Research */
.research-chapter { background: var(--surface); border-top: 1px solid var(--hairline); }
.research-spread { margin-top: 54px; }
.sheet-running-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 12px; padding-bottom: 22px; border-bottom: 1px solid var(--hairline); color: var(--ink-soft); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.sheet-running-head span { font-size: var(--fine); letter-spacing: 0; text-transform: none; }
.research-prose { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 34px clamp(30px, 4vw, 60px); align-items: start; }
.research-prose article { padding-top: 20px; border-top: 1px solid #b9c7de; }
.research-prose .route-link { grid-column: 1 / -1; justify-self: start; margin-top: 0; }
.research-prose h3, .teaching-prose h3 { font-size: 20px; font-weight: 600; line-height: 1.35; letter-spacing: -.02em; }
.research-prose p, .teaching-prose p { max-width: 55ch; margin-top: 12px; color: var(--ink-soft); font-size: 16px; line-height: 1.75; }
.research-prose .research-scope { margin-top: 16px; padding-left: 16px; border-left: 2px solid var(--accent); color: var(--ink); }
.research-prose .journal-line { margin-top: 16px; padding-top: 15px; border-top: 1px solid var(--hairline); color: var(--ink); font-size: 14px; line-height: 1.8; }
.research-prose .journal-line + .journal-line { margin-top: 6px; padding-top: 0; border-top: 0; color: var(--ink-soft); }
.report-details { margin-top: 54px; border-block: 1px solid #bfc9db; }
.report-details > summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 24px 0; font: 400 27px/1.3 var(--font-display); list-style: none; }
.report-details > summary::-webkit-details-marker, .question-list summary::-webkit-details-marker { display: none; }
.disclosure-symbol { flex: 0 0 auto; width: 20px; color: var(--accent); font: 400 26px/1 var(--font-text); text-align: center; }
.disclosure-symbol::before { content: "+"; }
details[open] > summary .disclosure-symbol::before { content: "\2212"; }
.report-content { padding-bottom: 30px; }
.report-intro { max-width: 78ch; color: var(--ink-soft); font-size: 16px; }
.deliverables { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 60px; margin-top: 28px; }
.deliverables div { padding-top: 20px; border-top: 1px solid #d9e0eb; }
.deliverables dt { font-size: 16px; font-weight: 600; }
.deliverables dd { max-width: 62ch; margin-top: 8px; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.detail-note { max-width: 90ch; margin-top: 30px; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }

/* Inside a Readiness Review: how a full review is built (research section) */
.build-details .review-build { padding-top: 6px; }
.build-opening { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .95fr); gap: 24px clamp(40px, 6vw, 90px); align-items: end; margin-top: 30px; }
.build-opening h3 { font: 400 clamp(33px, 3.2vw, 45px)/1.1 var(--font-display); letter-spacing: -.03em; }
.build-opening h3 span { display: block; text-wrap: balance; }
.build-lead { max-width: 60ch; color: var(--ink-soft); font-size: 16px; line-height: 1.75; }
.build-principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px clamp(30px, 4vw, 60px); margin: 44px 0 0; padding: 0; list-style: none; }
.build-principles li { padding-top: 18px; border-top: 2px solid var(--accent); }
.build-principles h4 { font: 600 16px/1.4 var(--font-text); letter-spacing: -.01em; }
.build-principles p { margin-top: 8px; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }
.build-figure { margin-top: clamp(48px, 5vw, 72px); }
.bm-legend { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 14px 0 0; padding: 0 0 18px; list-style: none; border-bottom: 1px solid var(--hairline); color: var(--ink-soft); font-size: var(--fine); }
.bm-legend li { display: inline-flex; align-items: center; gap: 10px; }
.bm-legend li::before { content: ""; flex: 0 0 auto; width: 24px; height: 15px; background: var(--canvas); border: 1px solid #b9c7de; }
.bm-legend .lg-check::before { background: var(--check-fill); border: 1px dashed var(--accent); }
/* Every swatch takes a 24 px slot, so the labels line up. */
.bm-legend .lg-code::before { width: 11px; height: 11px; margin-inline: 6.5px; background: transparent; border: 1px dotted var(--ink-soft); }
.bm-legend .lg-arrow::before { width: 11px; height: 20px; margin-inline: 6.5px; border: 0; background: var(--ink-soft); clip-path: polygon(5px 4px, 6px 4px, 6px calc(100% - 11px), 11px calc(100% - 11px), 5.5px calc(100% - 4px), 0 calc(100% - 11px), 5px calc(100% - 11px)); }
.bm-legend .lg-same::before { border: 0; background: linear-gradient(90deg, #b9c7de 0 10px, transparent 10px 14px, #b9c7de 14px); }
.build-map, .build-map ol, .build-map ul { margin: 0; padding: 0; list-style: none; }
.build-map { --bm-gap: 34px; display: grid; gap: var(--bm-gap); margin-top: 28px; }
.build-map li { position: relative; }
.bm-node { padding: 16px 18px 18px; background: var(--canvas); border: 1px solid #b9c7de; }
.bm-node h4 { font: 600 16px/1.35 var(--font-text); letter-spacing: -.01em; }
.bm-node p { max-width: 75ch; margin-top: 7px; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.bm-step { display: block; margin-bottom: 8px; color: var(--accent); font-size: 12px; font-weight: 600; line-height: 1.6; letter-spacing: .06em; font-variant-numeric: tabular-nums; }
.bm-node .bm-code { display: flex; align-items: flex-start; gap: 8px; font-size: var(--fine); line-height: 1.55; }
.bm-code::before { content: ""; flex: 0 0 auto; width: 9px; height: 9px; margin-top: .42em; border: 1px dotted var(--ink-soft); }
.bm-check { background: var(--check-fill); border: 1px dashed var(--accent); }
.bm-node .bm-tag { margin-top: 12px; color: var(--accent); font-size: var(--fine); font-weight: 600; }
.bm-bar { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr); gap: 6px 28px; padding: 20px 22px; }
.bm-bar .bm-body > p:first-child { margin-top: 0; }
.bm-bar .bm-body p { max-width: 78ch; }
.bm-coord { border-top: 2px solid var(--ink); }
.bm-report { background: var(--surface); border-top: 2px solid var(--accent); }
/* Arrow: the next stage waits for this one (a 1 px shaft and a 7 px head, drawn in the gap). */
.build-map > li:not(:last-child)::after, .bm-track-a > li:not(:last-child)::after { content: ""; position: absolute; top: 100%; left: 50%; width: 11px; height: var(--bm-gap); margin-left: -5px; background: var(--ink-soft); clip-path: polygon(5px 4px, 6px 4px, 6px calc(100% - 11px), 11px calc(100% - 11px), 5.5px calc(100% - 4px), 0 calc(100% - 11px), 5px calc(100% - 11px)); }
/* Steps 02 to 04: the top rule is the fork and the bottom rule the join. */
.bm-parallel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px var(--bm-gap); padding-block: 16px 22px; border-block: 1px solid var(--ink-soft); }
.bm-parallel-label { grid-column: 1 / -1; color: var(--ink-soft); font-size: var(--fine); }
.bm-parallel-label .bm-step, .bm-pair-label .bm-step { display: inline; margin: 0 8px 0 0; }
.bm-col { display: flex; flex-direction: column; gap: 12px; }
.bm-track-label { font-size: 15px; font-weight: 600; }
.bm-track-label span { display: block; margin-top: 2px; color: var(--ink-soft); font-size: var(--fine); font-weight: 400; }
.bm-track-a { --bm-gap: 26px; display: grid; gap: var(--bm-gap); }
.bm-pair-label { margin-bottom: 10px; color: var(--ink-soft); font-size: var(--fine); }
.bm-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.bm-track-b { align-content: start; }
.bm-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bm-notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px clamp(28px, 4vw, 56px); max-width: none; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--hairline); }
.bm-notes p { max-width: 70ch; }
.bm-notes b { color: var(--ink); font-weight: 600; }
.build-run { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 20px clamp(32px, 5vw, 72px); align-items: center; margin-top: 44px; padding-block: 24px; border-block: 1px solid var(--hairline); }
.build-run-note { max-width: 75ch; margin-top: 10px; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.run-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.run-stats div { display: flex; flex-direction: column; padding-left: 16px; border-left: 1px solid var(--hairline); }
.run-stats dt { color: var(--ink-soft); font-size: var(--fine); line-height: 1.5; }
.nobreak { white-space: nowrap; }
.build-pointer { max-width: 75ch; margin-top: 28px; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }
.run-stats dd { order: -1; margin-bottom: 6px; font: 400 clamp(34px, 3.2vw, 44px)/1.1 var(--font-display); letter-spacing: -.02em; font-variant-numeric: lining-nums tabular-nums; }
/* The example accordion sits directly above "What is in a Readiness Review"; together they read as one group. */
.report-details + .report-details { margin-top: 0; border-top: 0; }
.trace-details .report-content { padding-bottom: 34px; }
.trace-figure { padding: clamp(26px, 3.2vw, 46px); background: var(--canvas); border-top: 1px solid var(--ink); box-shadow: 0 20px 38px -34px #425776; }
h4.sheet-running-head { font-weight: 400; }
.trace-setup { max-width: 80ch; margin-top: 24px; font: 400 18px/1.6 var(--font-display); }
.trace-head, .trace dl { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1.15fr); gap: 0 28px; }
.trace-head { margin-top: 30px; padding-bottom: 10px; border-bottom: 1px solid var(--ink-soft); color: var(--ink-soft); font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.trace { margin: 0; padding: 0; list-style: none; }
.trace-item { padding-block: 22px 24px; border-bottom: 1px solid var(--hairline); }
.trace-top { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 20px; margin-bottom: 14px; }
.trace h5 { margin: 0; font: 400 21px/1.3 var(--font-display); letter-spacing: -.01em; }
.trace-status { color: var(--accent); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.is-dropped .trace-status { color: var(--ink-soft); }
.is-dropped h5 { color: var(--ink-soft); text-decoration: line-through; text-decoration-thickness: 1px; }
.trace dt { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.trace dd { font-size: 14px; line-height: 1.65; }
.trace dd b { font-weight: 600; }
/* A suggested edit: visible Before and After labels; in a formula only the changed symbol is marked. */
.edit { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 14px; align-items: baseline; margin-top: 10px; font: 400 18px/1.45 var(--font-display); font-variant-numeric: tabular-nums; }
.edit-label { color: var(--ink-soft); font: 600 12px/1.5 var(--font-text); letter-spacing: .06em; text-transform: uppercase; }
.edit-old { color: var(--ink-soft); }
.edit-new { color: var(--accent); }
.edit-mark { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 5px; }
.trace-figure figcaption { margin-top: 24px; }
@media (forced-colors: active) {
  .build-map > li:not(:last-child)::after, .bm-track-a > li:not(:last-child)::after, .bm-legend .lg-arrow::before { forced-color-adjust: none; background: CanvasText; }
}

/* Optional: revise-and-resubmit pilot. To drop it, delete <details class="report-details rr-details"> in index.html and this whole block. */
.rr-pilot { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 28px clamp(40px, 6vw, 90px); align-items: start; padding: clamp(26px, 3.2vw, 46px); background: var(--band); border-top: 2px solid var(--accent); }
.rr-intro h3 { font: 400 clamp(28px, 2.6vw, 36px)/1.15 var(--font-display); letter-spacing: -.025em; }
.rr-intro p { max-width: 52ch; margin-top: 16px; color: var(--ink-soft); font-size: 16px; line-height: 1.75; }
.rr-intro .rr-fine { margin-top: 14px; font-size: var(--fine); line-height: 1.6; }
.rr-intro .route-link { margin-top: 24px; }
.rr-flow { --bm-gap: 26px; display: grid; gap: var(--bm-gap); margin: 0; padding: 0; list-style: none; }
.rr-flow > li { position: relative; padding: 16px 18px 18px; background: var(--surface); border: 1px solid #bfcbe0; }
.rr-flow > li:not(:last-child)::after { content: ""; position: absolute; top: 100%; left: 50%; width: 11px; height: var(--bm-gap); margin-left: -5px; background: var(--ink-soft); clip-path: polygon(5px 4px, 6px 4px, 6px calc(100% - 11px), 11px calc(100% - 11px), 5.5px calc(100% - 4px), 0 calc(100% - 11px), 5px calc(100% - 11px)); }
.rr-flow h4 { font: 600 16px/1.35 var(--font-text); }
.rr-flow p { margin-top: 6px; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.rr-roles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.rr-roles p { margin: 0; padding: 12px 14px; background: var(--canvas); border-left: 2px solid var(--accent); color: var(--ink); }
.rr-roles b { display: block; font-weight: 600; }
@media (max-width: 900px) { .rr-pilot { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 760px) { .rr-pilot { padding: 24px 18px; gap: 24px; } .rr-roles { grid-template-columns: minmax(0, 1fr); } }
@media (forced-colors: active) { .rr-flow > li:not(:last-child)::after { forced-color-adjust: none; background: CanvasText; } }
@media print { .rr-flow { -webkit-print-color-adjust: exact; print-color-adjust: exact; } .rr-flow > li { break-inside: avoid; } }

/* Teaching */
.teaching-chapter { background: var(--band); border-top: 1px solid var(--hairline); }
.teaching-heading { max-width: 850px; }
.teaching-heading .chapter-intro { max-width: 60ch; }
.teaching-spread { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.1fr); gap: clamp(48px, 7vw, 100px); align-items: start; margin-top: 58px; }
.teaching-prose { padding-top: 10px; }
.teaching-prose article + article { margin-top: 27px; }
.teaching-prose .boundaries { margin-top: 30px; padding-top: 20px; border-top: 1px solid #bfcbe0; color: var(--ink); }
.course-figure { position: relative; isolation: isolate; padding: 25px 0 0 22px; }
.course-background { position: absolute; inset: 0 24px 68px 0; z-index: -1; }
.course-background span { position: absolute; inset: 0; background: #cbd6ed; border: 1px solid #bbc9e4; }
.course-background span:nth-child(2) { background: #dce4f4; rotate: -3deg; }
.course-background span:nth-child(3) { background: #edf1fa; rotate: 2deg; }
.course-outline { padding: clamp(25px, 3.2vw, 45px); background: var(--surface); border: 1px solid var(--hairline); box-shadow: 0 24px 34px -32px #3f567e; }
.course-outline h3 { margin-top: 18px; font: 400 clamp(33px, 3.1vw, 45px)/1.1 var(--font-display); letter-spacing: -.03em; }
.course-brief { margin-top: 22px; color: var(--ink-soft); font: 400 18px/1.5 var(--font-display); }
.course-sequence { margin: 26px 0 0; padding: 0; list-style: none; }
.course-sequence li { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 18px; padding-block: 17px; border-top: 1px solid #d9e0eb; }
.course-sequence span { color: var(--accent); font-size: 13px; font-weight: 600; }
.course-sequence p { color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.course-figure figcaption { position: relative; margin-top: 34px; margin-left: 3px; }

/* Workflows */
.human-chapter { padding-block: clamp(62px, 7vw, 100px); background: var(--canvas); }
.human-chapter h2 { font-size: clamp(38px, 4vw, 56px); }
.method-opening { display: grid; grid-template-columns: 1fr .85fr; gap: 40px 90px; align-items: end; }
.method-opening > p { max-width: 55ch; color: var(--ink-soft); font-size: 17px; }
.method-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; margin: 44px 0 0; padding: 0; list-style: none; counter-reset: method; }
.method-steps li { padding-top: 20px; border-top: 1px solid #b9c7de; counter-increment: method; }
.method-steps li::before { content: counter(method, decimal-leading-zero); display: block; margin-bottom: 16px; color: var(--accent); font-size: 12px; }
.method-steps h3 { font: 600 16px/1.45 var(--font-text); }
.method-steps p { margin-top: 10px; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.judgment-path { margin-top: 42px; }
.judgment-path svg { width: 100%; height: 24px; overflow: visible; }
.judgment-path path { fill: none; stroke-width: 1; }
.judgment-path .path-base { stroke: #c0cce0; }
.judgment-path .path-draw { stroke: var(--accent); stroke-width: 2; stroke-dasharray: 1; stroke-dashoffset: 0; }
/* The labels sit on the same four columns as the steps above. */
.judgment-path ul { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; margin: 8px 0 0; padding: 0; color: var(--ink-soft); font-size: 13px; list-style: none; }
.method-format { max-width: 70ch; margin-top: 36px; color: var(--ink); font-size: 16px; }

/* Pilot pricing */
.pricing-chapter { border-top: 1px solid var(--hairline); }
.pricing-opening { max-width: 900px; }
.pricing-opening h2 { font-size: clamp(36px, 3.7vw, 54px); }
.pricing-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px clamp(24px, 2.6vw, 40px); margin: 50px 0 0; padding: 0; list-style: none; }
.pricing-list li { display: flex; flex-direction: column; padding-top: 20px; border-top: 2px solid var(--accent); }
.pricing-list h3 { font: 600 16px/1.35 var(--font-text); letter-spacing: -.005em; }
.pricing-list .price { margin-top: 14px; color: var(--ink); font: 400 clamp(40px, 3.4vw, 50px)/1.05 var(--font-display); letter-spacing: -.03em; font-variant-numeric: lining-nums; }
.pricing-list .price-from { font-size: .5em; letter-spacing: 0; vertical-align: .3em; color: var(--ink-soft); }
.pricing-list .price-quoted { color: var(--ink-soft); }
.pricing-list .price-unit { margin-top: 6px; color: var(--ink-soft); font-size: 14px; }
.pricing-list p:last-child { margin-top: 16px; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }
.pricing-note { max-width: 70ch; margin-top: 40px; color: var(--ink); font-size: 16px; line-height: 1.6; }
.pricing-note .text-action { margin-left: 8px; }

/* How this differs */
.differs-chapter { background: var(--surface); border-top: 1px solid var(--hairline); }
.differs-opening { max-width: 900px; }
.differs-opening h2 { font-size: clamp(36px, 3.7vw, 54px); }
.differs-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px clamp(30px, 4vw, 60px); margin: 50px 0 0; padding: 0; list-style: none; counter-reset: differs; }
.differs-list li { padding-top: 20px; border-top: 1px solid #b9c7de; counter-increment: differs; }
.differs-list li::before { content: counter(differs, decimal-leading-zero); display: block; margin-bottom: 16px; color: var(--accent); font-size: 12px; }
.differs-list h3 { font: 400 24px/1.25 var(--font-display); letter-spacing: -.015em; }
.differs-list p { margin-top: 14px; color: var(--ink-soft); font-size: 15px; line-height: 1.75; }

/* Request a pilot (navy) */
.pilot-chapter { --p-ink: #f1f3f6; --p-soft: #bac7dd; --p-accent: #a8bfff; --p-line: #43536e; --p-field: #1f2e47; --p-field-line: #7083a3; --p-error: #ffb7ab; --p-ok: #b5ebc8; padding-block: clamp(70px, 7.5vw, 120px); background: var(--ink); color: var(--p-ink); color-scheme: dark; caret-color: var(--p-accent); accent-color: var(--p-accent); }
.pilot-chapter a { color: var(--p-accent); }
.pilot-chapter :focus-visible { outline-color: var(--p-accent); outline-offset: 4px; }
.pilot-opening { max-width: 940px; }
.pilot-opening h2 { font-size: clamp(42px, 4.5vw, 66px); }
.pilot-opening .chapter-intro { max-width: 68ch; color: var(--p-soft); font-size: 17px; }
.ground-rules { margin-top: 54px; }
.ground-rules h3 { font: 400 25px/1.2 var(--font-display); }
.rules-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px 30px; margin-top: 22px; }
.rules-list div { padding-top: 16px; border-top: 1px solid var(--p-line); }
.rules-list dt { font-size: 15px; font-weight: 600; }
.rules-list dd { margin-top: 8px; color: var(--p-soft); font-size: 14px; line-height: 1.65; }
.pilot-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); gap: 50px clamp(40px, 6vw, 88px); align-items: start; margin-top: 60px; }
.pilot-form > * + * { margin-top: 24px; }
.field-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.field label, .composer label { display: block; font-size: 14px; font-weight: 500; line-height: 1.5; }
.pilot-chapter input:not([type="checkbox"]), .pilot-chapter select, .pilot-chapter textarea { display: block; width: 100%; min-width: 0; margin-top: 9px; padding: 12px 14px; border: 1px solid var(--p-field-line); border-radius: 0; background: var(--p-field); color: var(--p-ink); font-size: 15px; line-height: 1.6; }
.pilot-chapter select { min-height: 49px; padding-right: 32px; }
.pilot-chapter ::placeholder { color: #b0bdd2; opacity: 1; }
.pilot-chapter [aria-invalid="true"] { border-color: var(--p-error); box-shadow: inset 0 0 0 1px var(--p-error); }
.field-error { margin-top: 8px; color: var(--p-error); font-size: 14px; font-weight: 500; line-height: 1.6; }
.pilot-form > .field-error { margin-top: 8px; }
.field-help { margin-top: 8px; color: var(--p-soft); font-size: 14px; line-height: 1.6; }
.char-count { margin-top: 6px; color: var(--p-soft); font-size: 14px; font-variant-numeric: tabular-nums; }
.char-count.over { color: var(--p-error); }
.pilot-form .check, .composer .check { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; align-items: start; font-size: 14px; font-weight: 400; line-height: 1.6; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; }
.brief-preview textarea { color: var(--p-soft); font-size: 14px; }
.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; padding-top: 6px; }
.submit[aria-disabled="true"] { opacity: .5; cursor: wait; }
.submit { min-height: 52px; padding: 13px 26px; border: 1px solid var(--p-accent); background: var(--p-accent); color: var(--ink); font-size: 16px; font-weight: 600; }
.form-note { color: var(--p-soft); font-size: 14px; }
.form-status { min-height: 26px; color: var(--p-ink); font-size: 15px; line-height: 1.6; }
.form-status.err { color: var(--p-error); }
.form-status.ok { color: var(--p-ok); }
.print-only { display: none; }
.noscript-note { max-width: 65ch; margin-top: 10px; padding-top: 22px; border-top: 1px solid var(--p-line); font-size: 15px; }
.privacy { padding: 26px 28px 28px; border: 1px solid var(--p-line); }
.privacy h3 { font: 400 23px/1.25 var(--font-display); }
.privacy p { margin-top: 14px; color: var(--p-soft); font-size: 14px; line-height: 1.7; }
.privacy b { color: var(--p-ink); font-weight: 600; }

/* Project brief tool (inside the navy section) */
.brief-block { margin-top: clamp(70px, 8vw, 110px); padding-top: clamp(50px, 6vw, 80px); border-top: 1px solid var(--p-line); }
.brief-opening { max-width: 900px; }
.brief-opening h3 { font: 400 clamp(32px, 3.2vw, 46px)/1.1 var(--font-display); letter-spacing: -.03em; }
.brief-opening .chapter-intro { max-width: 68ch; color: var(--p-soft); font-size: 16px; }
.composer { display: grid; grid-template-columns: minmax(0, .83fr) minmax(0, 1.15fr); gap: clamp(40px, 6vw, 88px); margin-top: 44px; }
.task-choice { margin: 0; padding: 0; border: 0; }
.task-choice legend { margin-bottom: 4px; padding: 0; font: 400 25px/1.2 var(--font-display); }
.context-fields { display: grid; gap: 22px; margin-top: 25px; }
.composer-controls { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-top: 24px; }
.text-button { min-height: 32px; padding: 3px 0 5px; border: 0; border-bottom: 1px solid var(--p-accent); background: none; color: #d8e3ff; font-size: 14px; font-weight: 500; line-height: 1.6; }
.tool-note { max-width: 65ch; margin-top: 16px; color: var(--p-soft); font-size: 14px; line-height: 1.65; }
.brief-caption { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.brief-caption h4 { font: 400 25px/1.2 var(--font-display); }
.brief-caption span { color: var(--p-soft); font-size: var(--fine); }
.composer #brief-text { min-height: 560px; margin: 0; padding: 24px; border-color: var(--canvas); background: var(--canvas); color: var(--ink); caret-color: var(--accent); font: 400 15px/1.75 var(--font-display); }
.composer #brief-text:focus-visible { outline-color: var(--p-accent); }
.brief-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.filled { min-height: 44px; padding: 10px 18px; border: 1px solid #dce6fc; background: #dce6fc; color: var(--ink); font-size: 14px; font-weight: 600; }
.brief-status { min-height: 46px; margin-top: 14px; color: #dce6fc; font-size: 14px; line-height: 1.6; }

/* Questions */
.questions-chapter { background: var(--surface); }
.questions-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 55px 100px; }
.questions-layout h2 { font-size: clamp(38px, 3.6vw, 50px); }
.questions-layout > div > p { max-width: 35ch; margin-top: 22px; color: var(--ink-soft); font-size: 15px; }
.question-list details { border-top: 1px solid var(--hairline); }
.question-list details:last-child { border-bottom: 1px solid var(--hairline); }
.question-list summary { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 21px 0; font-size: 16px; font-weight: 500; line-height: 1.5; list-style: none; }
.question-list .disclosure-symbol { font-size: 22px; line-height: 1.1; }
.question-list p { padding: 0 36px 23px 0; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }

/* Footer */
.colophon { padding-top: 64px; padding-bottom: 32px; background: var(--band); }
.colophon-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 38px 70px; }
.colophon-mission { font: 400 clamp(34px, 3.6vw, 53px)/1.15 var(--font-display); letter-spacing: -.03em; }
.contact-lines p { max-width: 50ch; color: var(--ink-soft); font-size: 15px; }
.contact-lines p + p { margin-top: 22px; }
.contact-lines .text-action { font-size: 18px; }
.colophon-bottom { display: grid; grid-column: 1 / -1; grid-template-columns: 1fr 1fr 1fr; gap: 24px; align-items: start; margin-top: 24px; padding-top: 28px; border-top: 1px solid var(--hairline); }
.colophon-bottom .wordmark { font-size: 22px; }
.colophon-bottom p, .colophon-bottom nav { color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.colophon-bottom nav { display: flex; flex-direction: column; align-items: flex-start; }
.colophon-bottom nav a { padding-block: 5px; color: var(--ink-soft); text-decoration: none; }
.independence { grid-column: 1 / -1; max-width: 90ch; color: var(--ink-soft); font-size: 14px; line-height: 1.6; }

/* Reveals. Nothing is hidden unless live.js has added .reveal-ready to <html>, so the
   page reads in full without JavaScript, with reduced motion and on paper. */
.reveal-ready [data-reveal] { transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out), clip-path 1000ms var(--ease-out); }
.reveal-ready [data-reveal="fade"]:not(.is-shown) { opacity: 0; transform: translateY(18px); }
.reveal-ready [data-reveal="wipe"] { clip-path: inset(-60px -60px -60px 0); }
.reveal-ready [data-reveal="wipe"]:not(.is-shown) { clip-path: inset(-60px 100% -60px 0); }
.reveal-ready [data-draw] .path-draw { transition: stroke-dashoffset 1400ms var(--ease-out) 150ms; }
.reveal-ready [data-draw]:not(.is-shown) .path-draw { stroke-dashoffset: 1; }

@media (hover: hover) and (pointer: fine) {
  a:hover { color: var(--accent-hover); }
  .masthead nav a:hover { text-decoration: underline; }
  .masthead nav .nav-action:hover { background: var(--accent); color: #fff; text-decoration: none; }
  .primary-action:hover { background: var(--accent-hover); color: #fff; }
  summary:hover { color: var(--accent); }
  .pilot-chapter a:hover, .text-button:hover { color: #fff; }
  .text-button:hover { border-color: #fff; }
  .filled:hover, .submit:hover { background: #fff; border-color: #fff; color: var(--ink); }
}

@media (min-width: 1500px) {
  h1 { font-size: 76px; }
}

@media (max-width: 1100px) {
  .pricing-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-main { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 36px; }
  .context-paper { padding: 26px; }
  .teaching-spread { gap: 40px; }
  .course-sequence li { grid-template-columns: 1fr; gap: 4px; }
  .method-opening { gap: 40px; }
  .method-steps, .judgment-path ul { gap: 22px; }
  .rules-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .composer { gap: 38px; }
  .brief-caption { display: block; }
  .brief-caption span { display: block; margin-top: 7px; }
  .questions-layout { gap: 55px; }
  .bm-parallel .bm-tiles { grid-template-columns: minmax(0, 1fr); }
  .build-run { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .masthead nav { gap: 18px; }
  .hero-main { grid-template-columns: minmax(0, 1.25fr) minmax(0, .95fr); gap: 28px; }
  .context-paper { padding: 22px; }
  .context-paper h2 { font-size: 26px; }
  .introduction { font-size: 16px; }
  .method-steps { grid-template-columns: 1fr 1fr; gap: 26px 40px; }
  .judgment-path { display: none; }
  .differs-list { grid-template-columns: minmax(0, 1fr); max-width: 70ch; }
  .pilot-layout { grid-template-columns: minmax(0, 1fr); }
  .privacy { max-width: 70ch; }
  .research-prose { grid-template-columns: minmax(0, 1fr); max-width: 70ch; gap: 28px; }
  .build-opening { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .build-principles { grid-template-columns: minmax(0, 1fr); max-width: 70ch; gap: 22px; }
  .bm-notes { grid-template-columns: minmax(0, 1fr); }
  .trace-head { display: none; }
  .trace dl { grid-template-columns: minmax(0, 1fr); row-gap: 12px; }
  .trace dl div { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 14px; }
  .trace dt { position: static; width: auto; height: auto; overflow: visible; clip-path: none; white-space: normal; color: var(--ink-soft); font-size: 12px; font-weight: 600; }
}

@media (max-width: 760px) {
  :root { --fine: 14px; }
  body { font-size: 16px; }
  .masthead { display: block; padding-top: 22px; padding-bottom: 8px; }
  .wordmark { display: inline-block; font-size: 24px; }
  .wordmark span { font-size: 11px; }
  .masthead nav { flex-wrap: wrap; justify-content: flex-start; gap: 0 18px; margin-top: 10px; font-size: 14px; }
  .masthead nav a { display: inline-flex; align-items: center; min-height: 44px; }
  .masthead nav .nav-action { margin-left: auto; padding: 0; border: 0; background: none; color: var(--accent); }
  .nav-action .link-arrow { display: none; }
  .title-page { padding-top: 36px; padding-bottom: 44px; }
  .hero-main { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .audience { margin-bottom: 20px; }
  h1 { font-size: clamp(38px, 10.4vw, 56px); line-height: 1.05; }
  .introduction { margin-top: 22px; font-size: 16px; }
  .hero-actions { margin-top: 24px; }
  .context-figure { width: 100%; max-width: 600px; padding: 10px 0 0 10px; }
  .context-back { inset: 0 14px 50px 0; rotate: -1.5deg; }
  .context-paper { padding: 24px; }
  .context-paper h2 { font-size: 29px; }
  .context-paper h2 br { display: none; }
  .context-list { margin-top: 19px; }
  .context-list div { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 14px; padding: 10px 0; }
  .context-list dd { margin-top: 0; }
  .context-footnote { margin-top: 10px; font-size: 15px; }
  .mission-inner { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .mission-band h2 { max-width: 23ch; font-size: clamp(32px, 8.5vw, 40px); }
  .mission-support { padding: 22px 0 0; border-left: 0; border-top: 1px solid #9eb5ff; font-size: 15px; }
  .mission-support span + span { margin-top: 5px; }
  .chapter-name { margin-bottom: 20px; font-size: 12px; }
  h2 { font-size: 40px; }
  .chapter-intro { margin-top: 20px; font-size: 16px; }
  .research-spread, .teaching-spread { grid-template-columns: minmax(0, 1fr); gap: 36px; margin-top: 36px; }
  .research-prose { padding: 0; }
  .research-prose h3, .teaching-prose h3 { font-size: 19px; }
  .research-prose p, .teaching-prose p { font-size: 16px; line-height: 1.7; }
  .report-details { margin-top: 40px; }
  .report-details > summary { padding-block: 21px; font-size: 24px; }
  .deliverables { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .report-intro { font-size: 16px; }
  .teaching-spread { display: flex; flex-direction: column; }
  .teaching-prose { padding: 0; }
  .course-figure { width: 100%; max-width: 580px; padding-left: 15px; }
  .course-outline { padding: 28px; }
  .course-brief { font-size: 17px; }
  .course-sequence li { grid-template-columns: 72px minmax(0, 1fr); gap: 14px; }
  .human-chapter h2 { font-size: 39px; }
  .method-opening { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .method-opening p { font-size: 16px; }
  .method-steps { gap: 24px; margin-top: 32px; }
  .method-steps h3 { font-size: 16px; }
  .method-steps li::before { margin-bottom: 12px; }
  .differs-opening h2 { font-size: 36px; }
  .differs-list { margin-top: 36px; }
  .pricing-list { grid-template-columns: minmax(0, 1fr); margin-top: 36px; max-width: 70ch; }
  .pricing-opening h2 { font-size: 36px; }
  .differs-list p { font-size: 15px; }
  .pilot-opening h2 { font-size: 41px; }
  .pilot-opening .chapter-intro { font-size: 16px; }
  .ground-rules { margin-top: 40px; }
  .rules-list { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .rules-list div { padding: 14px 0; }
  .pilot-layout { gap: 40px; margin-top: 44px; }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .pilot-chapter input:not([type="checkbox"]), .pilot-chapter select, .pilot-chapter textarea { font-size: 16px; }
  .privacy { padding: 22px 20px 24px; }
  .composer { grid-template-columns: minmax(0, 1fr); gap: 38px; margin-top: 32px; }
  .brief-caption { display: flex; flex-wrap: wrap; gap: 4px 16px; }
  .brief-caption span { margin: 0; }
  .composer #brief-text { min-height: 500px; padding: 20px; }
  .questions-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .questions-layout h2 { font-size: 39px; }
  .questions-layout > div > p { margin-top: 18px; }
  .question-list summary { font-size: 16px; }
  .question-list p { padding-right: 0; }
  .colophon { padding-top: 55px; }
  .colophon-inner { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .colophon-mission { font-size: 40px; }
  .colophon-bottom { grid-template-columns: 1fr 1fr; gap: 22px; }
  .colophon-bottom .wordmark { grid-column: 1 / -1; }
  .contact-lines p { font-size: 15px; }
  .review-build { margin-top: 56px; }
  .build-opening h3 { font-size: 31px; }
  .build-principles { margin-top: 32px; }
  .build-map { --bm-gap: 30px; }
  .bm-legend { gap: 8px 18px; }
  .bm-node { padding: 14px 16px 16px; }
  .bm-bar { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 16px 16px 18px; }
  .bm-bar .bm-body > p:first-child { margin-top: 7px; }
  .bm-tiles, .bm-three { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .bm-parallel { grid-template-columns: minmax(0, 1fr); row-gap: 28px; }
  .bm-col, .bm-after .bm-three { padding-left: 14px; border-left: 1px solid var(--ink-soft); }
  .run-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 18px; }
  .run-stats dd { font-size: 34px; }
  .trace-figure { padding: 24px 18px; }
  .trace dl div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .trace h5 { font-size: 19px; }
  .edit { font-size: 17px; }
}

@media (max-width: 380px) {
  .masthead nav { gap: 0 14px; }
  h1 { font-size: 38px; }
  .context-list div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .context-paper { padding: 22px; }
  .course-outline { padding: 24px; }
  .course-sequence li { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .method-steps { grid-template-columns: minmax(0, 1fr); }
  .colophon-bottom { grid-template-columns: minmax(0, 1fr); }
  .colophon-bottom .wordmark { grid-column: auto; }
  .bm-col, .bm-after .bm-three { padding-left: 10px; }
  .run-stats dd { font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  button:active, .text-action:active, .primary-action:active { transform: none; }
  .reveal-ready [data-reveal], .reveal-ready [data-draw] .path-draw { transition: none !important; }
  .reveal-ready [data-reveal]:not(.is-shown) { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .reveal-ready [data-draw]:not(.is-shown) .path-draw { stroke-dashoffset: 0 !important; }
}

/* Print: everything a scroll would reveal is on paper, the navy section prints dark on
   white, and the interactive tools stay on screen. live.js also opens the accordions. */
@media print {
  .reveal-ready [data-reveal], .reveal-ready [data-draw] .path-draw { transition: none !important; }
  .reveal-ready [data-reveal]:not(.is-shown) { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .reveal-ready [data-draw]:not(.is-shown) .path-draw { stroke-dashoffset: 0 !important; }
  body { background: #fff; }
  .skip, .masthead nav, .hero-actions, .route-link, .pilot-form-wrap, .brief-block, .contact-lines p + p { display: none !important; }
  .print-only { display: block; margin-top: 18px; font-weight: 600; }
  .chapter-name, .chapter-heading, h2, h3 { break-after: avoid; }
  .chapter, .mission-band, .title-page { padding-block: 28px; }
  .pilot-chapter { --p-ink: var(--ink); --p-soft: var(--ink-soft); --p-accent: var(--accent); --p-line: var(--hairline); background: #fff; color: var(--ink); color-scheme: light; }
  .pilot-layout { grid-template-columns: minmax(0, 1fr); margin-top: 24px; }
  .build-figure { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  /* Grids that break across pages overlap in print, so the two tracks stack as plain blocks. */
  .bm-parallel, .bm-col, .bm-track-a, .bm-tiles { display: block; }
  .bm-parallel > * + *, .bm-col > * + *, .bm-tiles > li + li { margin-top: 12px; }
  .bm-col + .bm-col { margin-top: 26px; }
  .bm-track-a > li + li { margin-top: var(--bm-gap); }
  .bm-node, .build-principles li, .build-run, .trace-item, .context-figure, .course-figure, .privacy, .rules-list div, .differs-list li, .pricing-list li, .method-steps li, details { break-inside: avoid; }
}