:root {
  color-scheme: light;
  --canvas: #f7f2e8;
  --paper: #fffdf7;
  --surface: #e9dfce;
  --surface-soft: #f0eadf;
  --ink: #123b3d;
  --support: #53615d;
  --action: #c84b32;
  --action-dark: #a93a28;
  --border: #cec0aa;
  --state: #25696b;
  --accent: #b9422e;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", Arial, sans-serif;
  --content: 88rem;
  --reading: 48rem;
  --gutter: clamp(1.25rem, 5vw, 5.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; text-size-adjust: 100%; }
body { min-width: 320px; margin: 0; background: var(--canvas); color: var(--ink); font: 400 1rem/1.65 var(--font-body); text-rendering: optimizeLegibility; font-synthesis: none; }
main, header, footer, section, article, aside, nav, div, figure, form, label { min-width: 0; }
h1, h2, h3, summary, a, button, label, p { overflow-wrap: break-word; }
input, select, button { max-width: 100%; }
body, button, input, select { font-family: var(--font-body); }
img { display: block; max-width: 100%; }
figure, h1, h2, h3, p, ul, ol, dl, dd { margin-top: 0; }
a { color: inherit; text-underline-offset: .28em; text-decoration-thickness: .08em; }
a:hover { text-decoration-thickness: .13em; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--action); outline-offset: 4px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.04; letter-spacing: -.038em; text-wrap: balance; }
h1 { font-size: clamp(3rem, 6.1vw, 6.9rem); }
h2 { font-size: clamp(2.25rem, 4.1vw, 4.6rem); }
h3 { font-size: clamp(1.55rem, 2.25vw, 2.45rem); }
.eyebrow { margin-bottom: .85rem; font-size: .7rem; font-weight: 700; line-height: 1.45; letter-spacing: .13em; text-transform: uppercase; }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .75rem 1rem; background: var(--ink); color: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.button { display: inline-flex; min-height: 3.1rem; align-items: center; justify-content: center; padding: .82rem 1.35rem; border: 1px solid var(--action); background: var(--action); color: #fff; font-size: .86rem; font-weight: 700; line-height: 1.25; text-align: center; text-decoration: none; transition: background .18s ease, color .18s ease, border-color .18s ease; }
.button:hover { border-color: var(--action-dark); background: var(--action-dark); }
.button-light { border-color: #f6eddf; background: #f6eddf; color: var(--ink); }
.button-light:hover { border-color: #fff; background: #fff; color: var(--ink); }
.text-link { display: inline-flex; min-height: 2.75rem; align-items: center; gap: .55rem; font-size: .88rem; font-weight: 700; }
.action-row { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.35rem; }

/* header-editorial-inline adaptation */
.site-header { width: min(calc(100% - clamp(2.25rem, 10vw, 11rem)), var(--content)); min-height: 5.75rem; margin-inline: auto; display: grid; grid-template-columns: minmax(11rem, 1fr) auto minmax(11rem, 1fr); align-items: center; gap: clamp(1.25rem, 3vw, 3.5rem); border-bottom: 1px solid var(--border); background: var(--canvas); }
.brand-lockup { min-width: 0; display: flex; align-items: center; gap: .75rem; }
.identity-mark { width: 2.5rem; height: 2.5rem; flex: 0 0 auto; object-fit: contain; }
.brand { max-width: 16rem; color: var(--ink); font-family: var(--font-display); font-size: clamp(1.15rem, 1.8vw, 1.5rem); font-weight: 600; line-height: 1.1; letter-spacing: -.035em; text-decoration: none; }
.nav-panel { display: contents; }
.site-header nav { grid-column: 2; display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.4rem); }
.site-header nav a { display: inline-flex; min-height: 2.75rem; align-items: center; font-size: .78rem; font-weight: 600; text-decoration: none; }
.site-header nav a:hover { color: var(--action); }
.all-books-link { padding-inline-start: clamp(.75rem, 1.2vw, 1.25rem); border-inline-start: 1px solid var(--border); color: var(--support); }
.header-action { grid-column: 3; justify-self: end; padding: .72rem .95rem; background: var(--ink); color: #fff; font-size: .76rem; font-weight: 700; text-decoration: none; }
.nav-toggle { display: none; padding: .65rem 0 .65rem .75rem; border: 0; background: transparent; font-size: .75rem; font-weight: 700; cursor: pointer; }
.toggle-mark, .toggle-mark::before { width: 1.15rem; height: 1px; display: block; background: currentColor; content: ""; transition: transform .2s ease; }
.toggle-mark::before { transform: translateY(-.34rem); }

/* hero-offset-editorial adaptation */
.home-hero { max-width: 112.5rem; margin-inline: auto; padding: clamp(2.7rem, 5vw, 5.2rem) var(--gutter) clamp(3.5rem, 6vw, 6.5rem); display: grid; grid-template-columns: minmax(16rem, 1fr) minmax(0, 1.72fr); gap: 2rem 5vw; background: var(--canvas); }
.hero-opening { grid-column: 1 / -1; max-width: 76rem; }
.hero-opening h1 { max-width: 20ch; margin-bottom: 0; overflow-wrap: normal; word-break: normal; color: var(--ink); font-size: clamp(3.4rem, 4.8vw, 5.8rem); font-weight: 600; }
.hero-opening h1 em { color: var(--accent); font-style: italic; font-weight: 600; }
.hero-support { grid-column: 1; grid-row: 2; max-width: 27rem; padding-top: .7rem; align-self: start; }
.hero-support > p { margin-bottom: 1.6rem; color: var(--support); font-size: clamp(1rem, 1.32vw, 1.17rem); line-height: 1.72; }
.hero-scope { margin-top: 2rem; padding-top: 1.1rem; display: grid; gap: .45rem; border-top: 1px solid var(--border); color: var(--support); font-size: .78rem; font-weight: 600; }
.hero-media { grid-column: 2; grid-row: 2; min-width: 0; height: clamp(22rem, 31vw, 29rem); margin: 0; position: relative; overflow: hidden; background: var(--surface); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; }
.hero-media figcaption { position: absolute; left: 0; bottom: 0; max-width: 23rem; padding: .75rem 1.2rem .15rem 0; background: var(--canvas); color: var(--support); font-size: .72rem; }

.section-intro { width: min(calc(100% - var(--gutter) * 2), var(--content)); margin-inline: auto; padding: clamp(3.8rem, 7vw, 7rem) 0 clamp(2.4rem, 4vw, 3.5rem); display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(17rem, .65fr); gap: 1rem 5vw; align-items: end; }
.section-intro .eyebrow { grid-column: 1 / -1; }
.section-intro h2 { max-width: 20ch; margin-bottom: 0; }
.section-intro > p:last-child { margin-bottom: .3rem; color: var(--support); }

/* scene-pair adaptation */
.collection-pair { background: var(--paper); }
.collection-chapters { display: grid; grid-template-columns: 1.65fr 1fr; }
.collection-count-3, .collection-count-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.collection-count-3 .collection-chapter:first-child { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(18rem, .75fr); }
.collection-count-3 .collection-chapter:first-child figure { height: clamp(22rem, 30vw, 31rem); }
.collection-chapter { min-width: 0; }
.collection-chapter figure { height: clamp(20rem, 30vw, 30rem); margin: 0; overflow: hidden; }
.collection-chapter img { width: 100%; height: 100%; object-fit: cover; }
.collection-chapter-main { display: flex; flex-direction: column; background: var(--ink); color: #fffaf0; }
.collection-chapter-main figure { height: clamp(23rem, 34vw, 34rem); }
.collection-chapter-main img { object-position: 50% 50%; }
.collection-chapter-secondary { display: flex; flex-direction: column; background: var(--surface); color: var(--ink); }
.collection-chapter-secondary figure { height: clamp(17rem, 23vw, 23rem); }
.collection-chapter-secondary img { object-position: 55% 50%; }
.chapter-copy { flex: 1; padding: clamp(2rem, 4vw, 4rem); }
.chapter-copy h3 { margin-bottom: 1rem; font-size: clamp(2.4rem, 4.3vw, 5rem); }
.collection-chapter-secondary h3 { font-size: clamp(2.15rem, 3.3vw, 3.75rem); }
.chapter-copy > p:not(.eyebrow, .signal-line) { max-width: 38rem; color: inherit; }
.signal-line { margin: 1.4rem 0; font-size: .75rem; font-weight: 700; letter-spacing: .04em; }
.collection-chapter-main .eyebrow, .collection-chapter-main .signal-line { color: #cadbd4; }

/* process-linked-steps adaptation */
.application-steps { padding: clamp(4.5rem, 8vw, 8rem) var(--gutter); background: #eef1ec; }
.application-steps > header, .application-list, .resource-note { max-width: var(--content); margin-inline: auto; }
.application-steps > header { margin-bottom: 2.5rem; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .7fr); gap: 1rem 5vw; align-items: end; }
.application-steps > header .eyebrow { grid-column: 1 / -1; }
.application-steps > header h2 { max-width: 15ch; margin-bottom: 0; }
.application-steps > header > div p { color: var(--support); }
.application-list { padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); list-style: none; }
.application-list > li { min-width: 0; display: flex; flex-direction: column; gap: 1.25rem; }
.step-copy { min-height: 13.5rem; }
.step-copy > span { display: block; margin-bottom: .55rem; color: var(--state); font-size: .7rem; font-weight: 700; letter-spacing: .04em; }
.step-copy h3 { margin-bottom: .75rem; font-family: var(--font-body); font-size: clamp(1.35rem, 1.8vw, 1.75rem); letter-spacing: -.035em; }
.step-copy p { color: var(--support); font-size: .88rem; }
.artifact { min-height: 22rem; margin: 0; padding: 1rem; display: grid; grid-template-rows: 18.5rem auto; gap: .75rem; border: 1px solid #d4d9d1; background: #fff; box-shadow: 0 .25rem .8rem #173c3d0b; }
.artifact-tint { background: #e5e8dc; border-color: transparent; }
.artifact img { width: 100%; height: 100%; object-fit: contain; object-position: center top; background: #fff; }
.artifact figcaption { color: var(--support); font-size: .67rem; line-height: 1.45; }
.resource-note { margin-top: 2.6rem; padding-top: 1.3rem; border-top: 1px solid #c9d0c6; color: var(--support); font-size: .8rem; }

/* transition-statement-banner adaptation */
.editorial-statement { padding: clamp(2.3rem, 4vw, 3.5rem) var(--gutter); display: grid; grid-template-columns: 9rem minmax(0, 1.25fr) minmax(15rem, .35fr); align-items: center; gap: 2rem clamp(1.5rem, 3vw, 3rem); background: var(--ink); color: #fffaf0; }
.statement-identity { margin-bottom: .35rem; font-size: .92rem; font-weight: 700; }
.statement-chapter { margin-bottom: 0; color: #b9cfca; font-size: .69rem; font-weight: 600; letter-spacing: .04em; }
.editorial-statement h2 { margin-bottom: 0; overflow-wrap: normal; word-break: normal; font-size: clamp(2.75rem, 4vw, 4.5rem); font-weight: 400; text-wrap: wrap; }
.editorial-statement h2 span, .editorial-statement h2 em { display: block; }
.editorial-statement h2 em { color: #f2a088; font-style: italic; font-weight: 400; }
.statement-detail { margin-bottom: 0; color: #d3dfdc; font-size: .82rem; }
.statement-detail a { color: #fff; font-weight: 700; }

/* footer-brand-field adaptation */
.site-footer { padding: clamp(3.5rem, 6vw, 5.5rem) var(--gutter) 1.4rem; background: #12383f; color: #edf5f0; }
.footer-invitation, .footer-brand-line, .footer-details, .footer-legal { max-width: var(--content); margin-inline: auto; }
.footer-invitation { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem 3rem; align-items: end; }
.footer-invitation .eyebrow { grid-column: 1 / -1; color: #b7d0cb; }
.footer-invitation h2 { max-width: 20ch; margin-bottom: 0; overflow-wrap: normal; word-break: normal; font-size: clamp(2.35rem, 4vw, 4.5rem); }
.footer-actions { display: flex; flex-direction: column; align-items: stretch; gap: .35rem; }
.light-link { color: #fff; justify-content: center; }
.footer-brand-line { margin-top: clamp(2.75rem, 5vw, 5rem); padding-bottom: 2rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: end; border-bottom: 1px solid #4f7276; }
.footer-brand-line strong { font-family: var(--font-display); font-size: clamp(4.1rem, 7.3vw, 7.2rem); font-weight: 600; line-height: .8; letter-spacing: -.075em; white-space: nowrap; }
.footer-brand-line strong em { color: #ef937b; font-style: italic; }
.footer-brand-line > p { max-width: 17rem; margin-bottom: 0; font-size: clamp(1rem, 1.45vw, 1.35rem); line-height: 1.35; }
.footer-details { margin-top: 1.8rem; display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 2rem 4rem; font-size: .79rem; }
.footer-label { margin-bottom: .55rem; color: #b5ceca; font-size: .64rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.footer-email { display: block; margin-bottom: .35rem; font-size: clamp(1.15rem, 1.8vw, 1.55rem); text-decoration: none; }
.footer-small-link { font-size: .72rem; }
.footer-details nav { display: grid; align-content: start; gap: .15rem; }
.footer-details nav a { min-height: 1.8rem; display: inline-flex; align-items: center; justify-self: start; text-decoration: none; }
.footer-details nav a:hover { text-decoration: underline; }
.footer-legal { margin-top: 1.5rem; padding-top: 1rem; display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid #4f7276; color: #b9cfcc; font-size: .63rem; }

/* interior page system */
.interior-wrap { width: min(calc(100% - var(--gutter) * 2), var(--content)); margin-inline: auto; }
.reading-wrap { width: min(calc(100% - 2.5rem), var(--reading)); margin-inline: auto; }
.breadcrumbs { padding: 1.25rem 0; display: flex; flex-wrap: wrap; gap: .35rem .65rem; color: var(--support); font-size: .68rem; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.interior-hero { padding: clamp(3rem, 7vw, 7rem) 0 clamp(3.5rem, 6vw, 6rem); display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(17rem, .62fr); gap: 1rem 5vw; align-items: end; border-bottom: 1px solid var(--border); }
.interior-hero .eyebrow { grid-column: 1 / -1; }
.interior-hero h1 { max-width: 12ch; margin-bottom: 0; font-size: clamp(3.4rem, 6.5vw, 7rem); }
.interior-hero > p:last-child { margin-bottom: .4rem; color: var(--support); font-size: 1.05rem; }

.collection-hub-grid { padding: clamp(3rem, 6vw, 6rem) 0; display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.5rem; }
.collection-hub-card { display: grid; grid-template-rows: 19rem 1fr; background: var(--surface); }
.collection-hub-card.wide { background: var(--ink); color: #fffaf0; }
.collection-hub-card figure { margin: 0; overflow: hidden; }
.collection-hub-card img { width: 100%; height: 100%; object-fit: cover; }
.collection-hub-card > div { padding: clamp(1.5rem, 3vw, 3rem); }
.collection-hub-card h2 { margin-bottom: .9rem; font-size: clamp(2.2rem, 4vw, 4.2rem); }
.collection-hub-card p:not(.eyebrow, .signal-line) { max-width: 38rem; }
.interior-note, .boundary-note { margin-bottom: clamp(3.5rem, 7vw, 7rem); padding: clamp(2rem, 4vw, 4rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, .8fr); gap: 1rem 4rem; align-items: end; border: 1px solid var(--border); background: var(--paper); }
.interior-note h2, .boundary-note h2 { max-width: 15ch; margin-bottom: 0; }
.interior-note p, .boundary-note p { color: var(--support); }

.collection-hero { padding: clamp(3rem, 6vw, 6rem) 0; display: grid; grid-template-columns: minmax(18rem, .8fr) minmax(0, 1.35fr); gap: 2rem 5vw; align-items: center; }
.collection-hero h1 { margin-bottom: .8rem; }
.collection-proposition { color: var(--accent); font-family: var(--font-display); font-size: clamp(1.6rem, 2.5vw, 2.6rem); font-weight: 600; line-height: 1.1; }
.collection-hero > div > p:not(.eyebrow, .collection-proposition) { max-width: 38rem; color: var(--support); }
.collection-hero figure { height: clamp(22rem, 37vw, 34rem); margin: 0; overflow: hidden; }
.collection-hero img { width: 100%; height: 100%; object-fit: cover; }
.collection-writing .collection-hero img { object-position: center; }
.book-group { padding: clamp(3.5rem, 6vw, 6rem) 0; border-top: 1px solid var(--border); }
.book-group > header { margin-bottom: 2.2rem; display: grid; grid-template-columns: .45fr 1fr; gap: 1rem 4rem; align-items: end; }
.book-group > header > * { min-width: 0; }
.book-group > header .eyebrow { margin-bottom: .35rem; }
.book-group > header h2 { max-width: 17ch; margin-bottom: 0; font-size: clamp(2.25rem, 4.2vw, 4.5rem); }
.book-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.book-grid.single { grid-template-columns: minmax(0, 1fr); }
.book-card { min-width: 0; padding: clamp(1.2rem, 2.5vw, 2rem); display: grid; grid-template-columns: minmax(7rem, .42fr) minmax(0, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); border: 1px solid var(--border); background: var(--paper); }
.book-card-feature { grid-template-columns: minmax(11rem, .36fr) minmax(0, 1fr); }
.book-cover-link { align-self: start; }
.book-cover { width: 100%; height: auto; box-shadow: 0 .6rem 1.4rem #18393b1a; }
.status, .resource-code { margin-bottom: .65rem; color: var(--state); font-size: .64rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.status-large { font-size: .72rem; }
.book-card h3 { margin-bottom: .6rem; font-size: clamp(1.45rem, 2.2vw, 2.3rem); }
.book-card h3 a { text-decoration: none; }
.book-author { color: var(--support); font-size: .73rem; }
.book-card-copy > p:not(.status, .book-author) { color: var(--support); font-size: .83rem; }
.tool-callout { margin: clamp(3rem, 6vw, 6rem) 0; padding: clamp(1.5rem, 4vw, 4rem); display: grid; grid-template-columns: minmax(18rem, .75fr) minmax(0, 1fr); gap: 2rem 5vw; align-items: center; background: var(--ink); color: #fffaf0; }
.tool-callout h2 { max-width: 14ch; }
.tool-callout > div > p:not(.eyebrow) { color: #cbdad6; }
.tool-callout img { width: 100%; max-height: 28rem; object-fit: cover; object-position: center top; }
.writing-callout { grid-template-columns: minmax(0, 1fr); background: var(--surface); color: var(--ink); }
.writing-callout > div > p:not(.eyebrow) { color: var(--support); }

.catalog-tools { margin: 2rem 0; padding: 1.1rem; display: grid; grid-template-columns: minmax(14rem, 1fr) minmax(12rem, .45fr) auto; gap: .75rem; align-items: end; border: 1px solid var(--border); background: var(--paper); }
.catalog-tools label { display: grid; gap: .35rem; color: var(--support); font-size: .7rem; font-weight: 700; }
.catalog-tools input, .catalog-tools select { width: 100%; min-height: 3rem; padding: .65rem .75rem; border: 1px solid var(--border); border-radius: 0; background: #fff; }
.text-button { min-height: 3rem; padding: .6rem 1rem; border: 1px solid var(--ink); background: transparent; font-weight: 700; cursor: pointer; }
.filter-status { grid-column: 1 / -1; margin-bottom: 0; color: var(--support); font-size: .72rem; }
.catalog-grid { padding: 1rem 0 clamp(4rem, 7vw, 7rem); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.book-card[hidden] { display: none; }
.catalog-empty { margin: 1rem 0; padding: 1.25rem; border: 1px solid var(--border); background: var(--surface); }
.catalog-empty[hidden] { display: none; }
.noscript-note { padding: 1rem; background: var(--surface); }
.pagination { margin: 0 0 clamp(3rem, 6vw, 6rem); padding: 1rem 0; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.pagination > span { font-weight: 700; }
.pagination > div { display: flex; flex-wrap: wrap; gap: .5rem; }
.pagination a, .pagination [aria-current="page"] { min-width: 2.75rem; min-height: 2.75rem; padding: .45rem; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); text-decoration: none; }
.pagination [aria-current="page"] { border-color: var(--ink); background: var(--ink); color: #fff; }
.collection-page-heading { padding: clamp(3rem, 7vw, 7rem) 0; border-bottom: 1px solid var(--border); }
.collection-page-heading h1 { max-width: 14ch; }

.book-page { padding: 2rem 0 clamp(4rem, 8vw, 8rem); }
.book-hero { padding: clamp(2rem, 4vw, 4rem); display: grid; grid-template-columns: minmax(13rem, .4fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; background: var(--paper); }
.book-hero figure { margin: 0; }
.book-hero figure img { max-width: 25rem; margin-inline: auto; }
.book-hero h1 { margin-bottom: .8rem; font-size: clamp(3rem, 6vw, 6.6rem); }
.book-subtitle { max-width: 35rem; color: var(--support); font-family: var(--font-display); font-size: clamp(1.15rem, 2vw, 1.7rem); line-height: 1.25; }
.book-byline { font-size: .78rem; font-weight: 700; }
.lead { color: var(--support); font-size: clamp(1.05rem, 1.5vw, 1.22rem); line-height: 1.72; }
.book-actions { margin-top: 1.4rem; display: flex; flex-wrap: wrap; align-items: center; gap: .65rem 1.2rem; }
.action-boundary { flex-basis: 100%; margin-bottom: 0; color: var(--support); font-size: .7rem; }
.book-body { width: min(100% - 2.5rem, 66rem); margin: clamp(3.5rem, 7vw, 7rem) auto; }
.book-body > h2 { margin: clamp(3rem, 6vw, 5.5rem) 0 1.1rem; max-width: 16ch; font-size: clamp(2.25rem, 4vw, 4rem); }
.book-body > p { max-width: 48rem; }
.benefit-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.benefit-grid article, .tool-list article { padding: 1.4rem; border: 1px solid var(--border); background: var(--paper); }
.benefit-grid h3, .tool-list h3 { margin-bottom: .6rem; font-size: 1.5rem; }
.benefit-grid p, .tool-list p { margin-bottom: 0; color: var(--support); font-size: .86rem; }
.tool-list { margin-bottom: 1.5rem; display: grid; gap: 1rem; }
.book-faq { display: grid; gap: .65rem; }
.book-faq details, .faq-list details { border-top: 1px solid var(--border); }
.book-faq summary, .faq-list summary { padding: 1rem 2.5rem 1rem 0; position: relative; font-weight: 700; cursor: pointer; }
.book-faq details p, .faq-list details p { max-width: 45rem; color: var(--support); }
.next-links { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.contact-strip { margin-top: 4rem; padding: clamp(1.5rem, 3vw, 2.5rem); display: flex; justify-content: space-between; align-items: center; gap: 2rem; background: var(--ink); color: #fff; }
.contact-strip h2 { margin-bottom: 0; font-size: clamp(2rem, 3vw, 3.2rem); }

.resource-guide { padding: 3rem 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.resource-guide > div { padding: clamp(1.5rem, 3vw, 3rem); border: 1px solid var(--border); background: var(--paper); }
.resource-guide h2 { font-size: 2rem; }
.resource-guide p { color: var(--support); }
.resource-book-grid { margin-bottom: clamp(4rem, 7vw, 7rem); display: grid; gap: 1rem; }
.resource-book-card { padding: clamp(1.5rem, 3vw, 3rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .75fr); gap: 2rem 4rem; border: 1px solid var(--border); background: var(--paper); }
.resource-book-card > * { min-width: 0; }
.resource-book-card h2 { font-size: clamp(2.2rem, 3.7vw, 3.8rem); }
.resource-book-card > div > p:not(.eyebrow) { color: var(--support); }
.resource-book-card ul { margin: 0; padding: 0; list-style: none; }
.resource-book-card li { padding: .8rem 0; display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--border); font-size: .78rem; }
.resource-book-card li strong { min-width: 0; overflow-wrap: anywhere; }
.resource-book-card li span { color: var(--support); white-space: nowrap; }
.resource-hero { padding: clamp(3rem, 6vw, 6rem) 0; display: grid; grid-template-columns: minmax(0, 1fr) 13rem; gap: 2rem 5rem; align-items: center; border-bottom: 1px solid var(--border); }
.resource-hero h1 { max-width: 14ch; }
.resource-hero > div > p { max-width: 46rem; color: var(--support); }
.resource-hero figure { margin: 0; }
.resource-detail-list { margin: 3rem 0 6rem; display: grid; gap: 1.25rem; }
.resource-detail { padding: clamp(1.4rem, 3vw, 2.5rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, .6fr); gap: 1.5rem 3rem; border: 1px solid var(--border); background: var(--paper); }
.resource-detail h2 { font-size: clamp(2rem, 3.2vw, 3.3rem); }
.resource-copy > p:not(.resource-code) { color: var(--support); }
.compatibility, .example-boundary { font-size: .72rem; }
.resource-detail figure { max-height: 24rem; margin: 0; overflow: hidden; background: #eef1ec; }
.resource-detail figure img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.download-list { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; }
.download-list a { min-height: 3.2rem; padding: .7rem .9rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; border: 1px solid var(--border); background: #fff; font-size: .76rem; font-weight: 700; text-decoration: none; }
.download-list a span { min-width: 0; overflow-wrap: anywhere; }
.download-list a:hover { border-color: var(--action); }
.download-list small { color: var(--support); font-size: .61rem; }

.about-grid { padding: clamp(3rem, 6vw, 6rem) 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(17rem, .55fr); gap: 2rem 6rem; }
.about-grid > div { max-width: 48rem; font-size: 1.08rem; }
.about-grid aside { padding: 2rem; background: var(--ink); color: #fff; align-self: start; }
.about-grid aside h2 { font-size: 2.7rem; }
.about-grid aside p:last-child { color: #cbdad6; }
.notes-grid { padding: clamp(3rem, 6vw, 6rem) 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.notes-grid article { padding: clamp(1.4rem, 2.5vw, 2rem); border: 1px solid var(--border); background: var(--paper); }
.notes-grid h2 { font-size: clamp(1.8rem, 2.8vw, 2.8rem); }
.notes-grid h2 a { text-decoration: none; }
.notes-grid article > p:not(.eyebrow) { color: var(--support); font-size: .84rem; }
.note-article, .policy { padding: clamp(3rem, 7vw, 7rem) 0; }
.note-article h1, .policy h1 { font-size: clamp(3.3rem, 7vw, 6.7rem); }
.note-article > p, .policy > p { font-size: 1.02rem; }
.note-article > p:not(.lead) { margin-bottom: 1.5rem; }
.policy h2 { margin-top: 3rem; font-size: clamp(2rem, 4vw, 3.4rem); }
.faq-list { padding: 2rem 0 5rem; }
.faq-list details { padding: .3rem 0; }
.faq-list summary { font-size: 1.05rem; }
.contact-panel { margin: 3rem 0 6rem; padding: clamp(1.5rem, 4vw, 3.5rem); border: 1px solid var(--border); background: var(--paper); }
.contact-email { display: inline-block; margin-bottom: 2rem; color: var(--accent); font-family: var(--font-display); font-size: clamp(2rem, 5vw, 4.8rem); font-weight: 600; line-height: 1.05; }
.contact-panel p { max-width: 44rem; }
.not-found { padding: clamp(5rem, 12vw, 11rem) 0; }
.not-found h1 { max-width: 12ch; }
.start-collection-list { margin: 3rem 0; padding: 0; display: grid; gap: 1rem; list-style: none; }
.start-collection-list li { padding: 1.25rem; display: grid; grid-template-columns: minmax(10rem, .45fr) minmax(0, 1fr); gap: 1rem 2rem; border: 1px solid var(--border); background: var(--paper); }
.start-collection-list a { font-family: var(--font-display); font-size: 1.55rem; font-weight: 600; }
.start-collection-list span { color: var(--support); }
.start-actions { margin-bottom: clamp(4rem, 7vw, 7rem); }

@media (max-width: 1050px) {
  .home-hero { grid-template-columns: minmax(15rem, .85fr) minmax(0, 1.45fr); }
  .collection-chapters { grid-template-columns: 1.35fr 1fr; }
  .application-list { grid-template-columns: 1fr; gap: 2rem; }
  .application-list > li { display: grid; grid-template-columns: minmax(14rem, .7fr) minmax(0, 1fr); align-items: start; gap: 2rem; }
  .step-copy { min-height: 0; }
  .artifact { grid-template-rows: 19rem auto; }
  .editorial-statement { grid-template-columns: 10rem minmax(0, 1fr); }
  .statement-detail { grid-column: 2; }
  .catalog-grid { grid-template-columns: 1fr; }
  .notes-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 800px) {
  .site-header { width: calc(100% - 2.25rem); min-height: 4.9rem; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; }
  .nav-toggle { display: none; align-items: center; gap: .65rem; justify-self: end; }
  .js .nav-toggle { display: inline-flex; }
  .nav-panel { grid-column: 1 / -1; display: grid; gap: 1rem; padding: .25rem 0 1.25rem; }
  .js .nav-panel { display: none; }
  .js .site-header.nav-open .nav-panel { display: grid; }
  .site-header nav { grid-column: 1; display: grid; gap: 0; border-top: 1px solid var(--border); }
  .site-header nav a, .all-books-link { min-height: 3.2rem !important; display: inline-flex !important; padding-inline-start: 0; border-inline-start: 0; border-bottom: 1px solid var(--border); font-size: .93rem; }
  .header-action { grid-column: 1; justify-self: stretch; text-align: center; }
  .site-header.nav-open .toggle-mark { transform: rotate(45deg); }
  .site-header.nav-open .toggle-mark::before { transform: rotate(90deg); }
  .home-hero { grid-template-columns: 1fr; gap: 1.7rem; }
  .hero-opening, .hero-support, .hero-media { grid-column: 1; }
  .hero-opening { grid-row: 1; }
  .hero-support { grid-row: 2; padding-top: 0; max-width: 42rem; }
  .hero-media { grid-row: 3; height: clamp(19rem, 62vw, 28rem); }
  .section-intro, .application-steps > header, .interior-hero { grid-template-columns: 1fr; }
  .section-intro .eyebrow, .application-steps > header .eyebrow, .interior-hero .eyebrow { grid-column: 1; }
  .collection-chapters { grid-template-columns: 1fr; }
  .collection-count-3 .collection-chapter:first-child { grid-column: 1; display: flex; }
  .collection-chapter-main figure, .collection-chapter-secondary figure { height: clamp(16rem, 60vw, 28rem); }
  .editorial-statement { grid-template-columns: 1fr; }
  .statement-detail { grid-column: 1; max-width: 40rem; }
  .footer-brand-line { grid-template-columns: 1fr; }
  .footer-brand-line strong { font-size: clamp(3.9rem, 15vw, 7rem); white-space: normal; }
  .footer-brand-line > p { max-width: none; }
  .footer-details { grid-template-columns: 1fr 1fr; }
  .footer-details > div:first-child { grid-column: 1 / -1; }
  .interior-hero h1 { margin-bottom: 1rem; }
  .collection-hub-grid { grid-template-columns: 1fr; }
  .interior-note, .boundary-note { grid-template-columns: 1fr; align-items: start; }
  .collection-hero { grid-template-columns: 1fr; }
  .collection-hero figure { height: clamp(19rem, 68vw, 31rem); }
  .book-group > header { grid-template-columns: 1fr; }
  .book-grid { grid-template-columns: 1fr; }
  .tool-callout { grid-template-columns: 1fr; }
  .catalog-tools { grid-template-columns: 1fr 1fr; }
  .catalog-tools button { grid-column: 1 / -1; }
  .book-hero { grid-template-columns: minmax(10rem, .45fr) minmax(0, 1fr); }
  .resource-book-card { grid-template-columns: 1fr; }
  .resource-detail { grid-template-columns: 1fr; }
  .resource-detail figure, .download-list { grid-column: 1; }
  .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  h1 { font-size: min(4.4rem, 14.5vw); }
  h2 { font-size: min(3rem, 10vw); }
  .button { width: 100%; }
  .action-row { align-items: stretch; flex-direction: column; }
  .text-link { justify-content: flex-start; }
  .home-hero { padding: 2.5rem 1.25rem 3.25rem; }
  .hero-opening h1 { font-size: min(4rem, 11vw); }
  .hero-media { height: 17.5rem; }
  .hero-media img { object-position: 50% center; }
  .hero-media figcaption { max-width: 78%; }
  .section-intro { width: calc(100% - 2.5rem); padding: 3.5rem 0 2.25rem; }
  .section-intro h2 { font-size: min(2.75rem, 12vw); }
  .collection-chapter h3, .collection-hub-card h2 { overflow-wrap: anywhere; }
  .chapter-copy { padding: 1.75rem 1.25rem 2.2rem; }
  .chapter-copy h3, .collection-chapter-secondary h3 { font-size: min(2.8rem, 12vw); }
  .application-steps { padding: 3.5rem 1.25rem; }
  .application-list > li { grid-template-columns: 1fr; gap: 1rem; }
  .artifact { grid-template-rows: 16rem auto; }
  .editorial-statement { padding: 2.2rem 1.25rem; gap: 1.4rem; }
  .editorial-statement h2 { font-size: min(2.9rem, 12vw); }
  .site-footer { padding: 3rem 1.25rem 1.2rem; }
  .footer-invitation { grid-template-columns: 1fr; align-items: start; }
  .footer-invitation h2 { font-size: min(4.5rem, 11vw); }
  .footer-actions { width: 100%; }
  .footer-brand-line strong { min-width: 0; font-size: min(5.1rem, 16vw); overflow-wrap: anywhere; }
  .footer-details { grid-template-columns: 1fr; }
  .footer-details > div:first-child { grid-column: 1; }
  .footer-legal { display: block; }
  .footer-legal span { display: block; margin-top: .35rem; }
  .interior-wrap { width: calc(100% - 2.5rem); }
  .reading-wrap { width: calc(100% - min(2.5rem, 12.5vw)); }
  .interior-hero { padding: 2.8rem 0 3.5rem; }
  .interior-hero h1 { font-size: min(3.5rem, 14vw); overflow-wrap: anywhere; }
  .collection-hub-card { grid-template-rows: 15rem 1fr; }
  .collection-hero { padding: 2.5rem 0 3.5rem; }
  .collection-hero figure { height: 17rem; }
  .book-group > header h2, .resource-book-card h2 { font-size: min(4.5rem, 10vw); }
  .book-card, .book-card-feature { grid-template-columns: minmax(4.5rem, 28vw) minmax(0, 1fr); padding: 1rem; gap: min(1rem, 4vw); }
  .book-card h3 { font-size: min(1.55rem, 8vw); }
  .book-card-copy > p:not(.status, .book-author) { display: none; }
  .tool-callout { margin: 3rem -1.25rem; padding: 2.2rem 1.25rem; }
  .tool-callout img { width: 100%; height: auto; max-height: none; object-fit: contain; }
  .catalog-tools { grid-template-columns: 1fr; }
  .catalog-tools button { grid-column: 1; }
  .book-hero { margin-inline: -1.25rem; padding: 1.25rem; grid-template-columns: 1fr; }
  .book-hero figure img { max-width: 14rem; }
  .book-hero h1 { font-size: min(3.4rem, 14vw); }
  .book-body { width: 100%; }
  .benefit-grid { grid-template-columns: 1fr; }
  .contact-strip { align-items: stretch; flex-direction: column; }
  .resource-guide { grid-template-columns: 1fr; }
  .resource-book-card li { flex-wrap: wrap; }
  .resource-book-card li span { white-space: normal; }
  .resource-hero { grid-template-columns: minmax(0, 1fr) minmax(3.5rem, 18vw); gap: min(1rem, 3vw); }
  .resource-hero .eyebrow { overflow-wrap: normal; word-break: normal; }
  .resource-hero h1 { font-size: min(3.05rem, 12vw); overflow-wrap: normal; word-break: normal; }
  .resource-hero > div > p { font-size: min(1rem, 6vw); }
  .resource-detail figure { max-height: 18rem; }
  .download-list { grid-template-columns: 1fr; }
  .notes-grid { grid-template-columns: 1fr; }
  .contact-panel { padding: min(1.5rem, 6vw); }
  .contact-email { max-width: 100%; font-size: min(2.6rem, 6vw); overflow-wrap: normal; word-break: normal; white-space: nowrap; }
  .start-collection-list li { grid-template-columns: 1fr; }
}

@media (min-width: 801px) and (max-width: 1200px) {
  .editorial-statement { grid-template-columns: 9rem minmax(0, 1fr); }
  .statement-detail { grid-column: 2; max-width: 40rem; }
}

h1, h2, h3 { overflow-wrap: normal; word-break: normal; hyphens: none; }

@media (max-width: 560px) {
  .brand, .book-page h1, .book-page h2, .book-page h3, .resource-detail h2, .contact-strip h2 { overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}