/* Dedicated MLMN v5. Original artwork stays unchanged; six square atlas motifs. */
:root {
  --paper: #f7f6f2;
  --ink: #171719;
  --muted: #595957;
  --line: #bcbcb7;
  --blue: #153ed0;
  --orange: #d75b20;
  --gutter: clamp(1.1rem, 3.8vw, 4.25rem);
  --display: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 18px/1.65 var(--display); }
a { color: inherit; text-underline-offset: .19em; text-decoration-thickness: .06em; }
a:hover { color: var(--blue); }
a:focus-visible, summary:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; }
button, input, textarea, select { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, ul { margin-top: 0; }
h1, h2, h3 { font-weight: 500; line-height: 1.08; }
h1, h2, h3, p, li, a { overflow-wrap: break-word; }
h1 { letter-spacing: -.065em; }
h2 { letter-spacing: -.045em; }
h3 { letter-spacing: -.025em; }
.wrap { width: min(100% - var(--gutter) * 2, 91rem); margin-inline: auto; }
.skip-link { position: absolute; top: -10rem; left: 1rem; z-index: 20; background: white; padding: .7rem 1rem; font: 1rem var(--sans); }
.skip-link:focus { top: 1rem; }

/* A true publication masthead, with restrained working navigation. */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: 1.2rem 1.4rem; position: relative; z-index: 4; }
.masthead { font-family: Didot, "Bodoni MT", Georgia, serif; font-size: clamp(2.6rem, 4.4vw, 4.4rem); line-height: 1; font-weight: 700; letter-spacing: -.085em; text-decoration: none; }
.desktop-menu { margin-right: clamp(0rem, 10vw, 13rem); }
.site-header nav ul { display: flex; flex-wrap: wrap; align-items: center; gap: 1.65rem; list-style: none; padding: 0; margin: 0; }
.site-header nav a { display: block; padding-block: .55rem; font: .9rem/1.4 var(--sans); text-decoration: none; }
.site-header nav a[aria-current] { text-decoration: underline; text-decoration-color: var(--blue); text-decoration-thickness: 2px; }
.mobile-menu { display: none; font: .95rem/1.5 var(--sans); }
.mobile-menu summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; }

/* The supplied wide paper artwork occupies the visual field, never a fake UI screenshot. */
.paper-hero { position: relative; isolation: isolate; min-height: clamp(33rem, 44vw, 44rem); padding-block: 2.9rem 3rem; }
.hero-art { position: absolute; z-index: -1; width: min(103vw, 110rem); max-width: none; top: -1.3rem; right: calc(var(--gutter) * -1); pointer-events: none; mix-blend-mode: multiply; }
.hero-copy { width: min(44%, 37rem); position: relative; }
.hero-copy h1 { font-size: clamp(3.35rem, 6.5vw, 6.8rem); line-height: .97; max-width: 11.5ch; margin-block: 0 1.2rem; }
.hero-deck { max-width: 31ch; font-size: clamp(1.22rem, 1.85vw, 1.65rem); line-height: 1.27; letter-spacing: -.03em; margin-bottom: 0; }

/* A large image/feature and a separate editorial reading list: no nested card grids. */
.featured-reading { display: grid; grid-template-columns: 1fr 1.02fr 1.05fr; align-items: start; gap: clamp(1.4rem, 2.4vw, 2.8rem); padding-block: 1.6rem 2.25rem; }
.atlas-cell { display: block; width: 100%; aspect-ratio: 1; background-image: image-set(url("responsive/4766d8038f05e801-960.webp") 1x, url("responsive/4766d8038f05e801-1536.webp") 2x); background-repeat: no-repeat; background-size: 200% 300%; background-position: var(--atlas-x) var(--atlas-y); }
.featured-art { display: block; }
.featured-art .atlas-cell { width: 100%; }
.section-kicker, .section-label { font: 600 .72rem/1.4 var(--sans); letter-spacing: .02em; }
.section-kicker { margin: .2rem 0 1rem; }
.feature-copy h2 { font-size: clamp(2rem, 3.1vw, 3rem); line-height: 1.04; margin-bottom: 1.2rem; }
.feature-title { text-decoration: none; }
.feature-copy p:not(.section-kicker) { color: var(--muted); font-size: 1.05rem; line-height: 1.48; }
.text-link { display: inline-block; padding-block: .4rem; font-size: .98rem; }
.reading-briefs { padding: 0; margin: 0; list-style: none; }
.reading-briefs li + li { margin-top: 1rem; }
.reading-briefs a { display: grid; grid-template-columns: clamp(5.3rem, 9vw, 8.8rem) minmax(0, 1fr); gap: 1.2rem; align-items: center; text-decoration: none; }
.reading-briefs a > span:last-child { font-size: clamp(1.12rem, 1.55vw, 1.45rem); line-height: 1.15; letter-spacing: -.025em; }

/* An editorial subject index. Four typographic entries, not interchangeable cards. */
.subjects { border-top: 1px solid var(--line); padding-top: 1.15rem; padding-bottom: 2rem; }
.section-label { letter-spacing: .025em; margin-bottom: 1rem; }
.subject-index { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.subject-entry { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(4.2rem, .8fr); gap: 1.1rem; align-items: center; padding-inline: 1.35rem; text-decoration: none; min-width: 0; }
.subject-entry:first-child { padding-left: 0; }
.subject-entry:last-child { padding-right: 0; }
.subject-entry + .subject-entry { border-left: 1px solid var(--line); }
.subject-entry h3 { font-size: clamp(1.4rem, 2.1vw, 2.05rem); margin-bottom: 0; line-height: 1.08; }
.subject-entry .atlas-cell { max-width: 8rem; justify-self: end; }

/* A quieter pair of reading paths and a full, unabridged editorial notebook. */
.careful-reading { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding-block: 2.4rem 3.3rem; border-top: 1px solid var(--line); }
.careful-reading > div { display: grid; grid-template-columns: 8.3rem minmax(0, 1fr); gap: .55rem 1.65rem; align-content: start; }
.careful-reading .atlas-cell { grid-row: 1 / span 3; }
.careful-reading h2 { font-size: 1.85rem; margin: 0; }
.careful-reading p { color: var(--muted); font-size: 1.03rem; line-height: 1.45; margin: 0; }
.careful-reading .text-link { justify-self: start; }
.home-notebook { display: grid; grid-template-columns: minmax(15rem, .85fr) minmax(0, 1.5fr); gap: clamp(3rem, 7vw, 7rem); padding-block: 3.5rem; border-top: 2px solid var(--ink); }
.notebook-heading h2 { max-width: 16ch; font-size: clamp(2.4rem, 3.9vw, 4rem); line-height: 1.01; }
.notebook-heading p { max-width: 33ch; color: var(--muted); line-height: 1.45; }
.notebook-art { width: min(100%, 18rem); margin-top: 2rem; }
.home-source-copy { max-width: 65ch; }
.home-source-copy .source-section + .source-section { margin-top: 2.3rem; }
.home-source-copy h3 { font-size: 1.65rem; line-height: 1.2; margin-bottom: 1rem; }
.home-source-copy p { font-size: 1.05rem; line-height: 1.62; }
.home-backmatter { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding-block: 1rem 2rem; }

/* Reading is its own layout, with a quiet rail and a comfortable full-width text measure. */
.article-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(11rem, 19rem); align-items: center; gap: clamp(2rem, 6vw, 6rem); padding-block: 2rem 3rem; border-top: 1px solid var(--line); }
.article-heading h1 { font-size: clamp(2.65rem, 4.85vw, 5rem); max-width: 22ch; line-height: 1.04; margin-bottom: 1.4rem; }
.article-deck { font-size: clamp(1.2rem, 1.8vw, 1.55rem); line-height: 1.38; max-width: 56ch; color: var(--muted); margin: 0; }
.article-subject { font: .88rem/1.5 var(--sans); color: var(--blue); margin-bottom: .8rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .7rem; font: .84rem/1.5 var(--sans); margin-bottom: 2rem; color: var(--muted); }
.breadcrumbs a { padding-block: .2rem; }
.article-art { align-self: end; }
.reading-layout { display: grid; grid-template-columns: minmax(10rem, 14rem) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); align-items: start; padding-top: 1.5rem; }
.article-contents { position: sticky; top: 1.5rem; padding-top: .5rem; font: .88rem/1.48 var(--sans); }
.article-contents > p { font-weight: 600; margin-bottom: .7rem; }
.article-contents ul { list-style: none; padding: 0; margin: 0; }
.article-contents li { margin-bottom: .8rem; }
.article-contents a { display: inline-block; text-decoration-color: var(--line); }
.article-copy { max-width: 72ch; min-width: 0; padding-bottom: 2rem; font-size: 1.15rem; line-height: 1.73; }
.article-copy .source-section { scroll-margin-top: 2rem; }
.article-copy .source-section + .source-section { margin-top: 2.9rem; }
.article-copy h2 { margin-bottom: 1.1rem; font-size: clamp(1.65rem, 2.5vw, 2.3rem); line-height: 1.16; }
.article-copy p { margin-bottom: 1.15rem; }
.article-copy ul { padding-left: 1.25rem; margin-bottom: 1.35rem; }
.article-copy li + li { margin-top: .6rem; }
.article-copy a { text-decoration-color: var(--blue); }
.source-notes { padding-block: 1.7rem 1.1rem; margin-top: 2.7rem; border-top: 1px solid var(--line); font-size: .9rem; line-height: 1.5; }
.source-notes h2 { font: 600 1rem/1.4 var(--sans); letter-spacing: 0; margin-bottom: .8rem; }
.source-notes ul { padding-left: 1.2rem; }
.source-notes li { margin-block: .6rem; }
.source-notes a { overflow-wrap: anywhere; }
.related-reading { border-top: 1px solid var(--line); padding-top: 1.5rem; padding-bottom: 2.5rem; }
.related-reading h2 { font-size: 1.65rem; margin-bottom: 1rem; }
.related-reading ul { list-style: none; margin: 0; padding: 0; }
.related-reading li { margin-bottom: .8rem; }
.related-reading a { font-size: 1.15rem; line-height: 1.3; text-decoration-color: var(--line); }
.article-backmatter { padding-left: calc(clamp(10rem, 15vw, 14rem) + clamp(2rem, 6vw, 7rem)); }

/* Every accepted answer remains visible, including in print; no fabricated evidence metadata. */
.reader-questions { margin-top: 3.5rem; border-top: 2px solid var(--ink); padding-top: 1.7rem; }
.faq-answer { border-top: 1px solid var(--line); padding-block: 1.1rem .3rem; }
.faq-answer h3 { font-size: 1.3rem; line-height: 1.28; margin-bottom: .75rem; }
.faq-answer p { font-size: 1.04rem; line-height: 1.62; }
.private-contact { border-block: 1px solid var(--line); padding-block: 1.6rem .4rem; margin-top: 2.5rem; }
.private-contact h2 { font-size: 1.5rem; }
.private-contact .contact-publisher { font: .88rem/1.6 var(--sans); }
.private-contact fieldset { min-width: 0; border: 1px solid var(--line); padding: 1.35rem; margin: 1.5rem 0 .6rem; }
.private-contact legend { padding-inline: .5rem; font: .78rem/1.5 var(--sans); letter-spacing: .03em; }
.private-contact label { display: block; margin-bottom: 1.15rem; font: .85rem/1.5 var(--sans); }
.private-contact input, .private-contact select, .private-contact textarea { display: block; width: 100%; min-height: 44px; margin-top: .45rem; padding: .7rem .85rem; border: 1px solid #b6b6b0; border-radius: 0; background: #f0efeb; color: #62625e; font: 1rem/1.5 var(--sans); }
.private-contact textarea { resize: vertical; }
.private-contact button { min-height: 44px; padding: .7rem 1rem; border: 1px solid #b6b6b0; background: #e4e3df; color: #62625e; font: .85rem/1.4 var(--sans); cursor: not-allowed; }

/* The complete guides index uses distinct subjects with their actual article links. */
.all-guides { margin-top: 3rem; }
.guide-subject { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 1.5rem; padding-block: 1.8rem; border-top: 1px solid var(--line); align-items: start; }
.guide-subject h2 { font-size: 1.65rem; }
.guide-subject ul { list-style: none; padding: 0; margin: 0; }
.guide-subject li { margin-bottom: .8rem; line-height: 1.4; }

.site-footer { border-top: 1px solid var(--line); padding-block: 1.4rem 1rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .8rem 2rem; align-items: baseline; font: .82rem/1.5 var(--sans); }
.site-footer > div { display: flex; flex-wrap: wrap; align-items: baseline; gap: .75rem; }
.footer-mark { font: 700 1.25rem/1 Georgia, serif; letter-spacing: -.06em; text-decoration: none; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.publisher { margin: 0; color: var(--muted); }
.preview-note { margin: 0; color: var(--muted); justify-self: end; font-size: .75rem; }

/* Primary article artwork is distinct from the retained semantic working models. */
figure { margin: 0; }
.editorial-image { width: 100%; height: auto; }
.featured-art > .editorial-image, .reading-briefs .editorial-image, .article-art > .editorial-image { aspect-ratio: 1; object-fit: cover; }
.shared-art-note { font: .75rem/1.4 var(--sans); color: var(--muted); margin-top: .55rem; }
.semantic-models { margin-top: 3rem; }
.reading-model { border-block: 1px solid var(--line); padding-block: 1.3rem; }
.diagram-description { font-size: 1rem; color: var(--muted); }
.diagram-parts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.15rem 1.6rem; padding: 0 !important; margin: 0 0 1.25rem; list-style: none; }
.diagram-parts li { display: flex; gap: .75rem; align-items: baseline; margin: 0 !important; border-left: 2px solid var(--blue); padding-left: .8rem; min-width: 0; }
.part-number { font: .8rem/1.4 var(--sans); color: var(--blue); }
.diagram-parts strong { font: 600 1rem/1.4 var(--sans); }
.diagram-parts p { font-size: .98rem; line-height: 1.5; margin-block: .4rem 0; }
.measure-set { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem 1.8rem; }
.measure-set > div { border-left: 2px solid var(--blue); padding-left: 1rem; }
.measure-set dt { font: 600 .9rem/1.4 var(--sans); }
.measure-set dd { margin: 0; }
.measure-set data { display: block; font: 500 2.65rem/1.2 var(--display); margin-block: .4rem; }
.measure-set p, .diagram-note { font-size: .95rem; line-height: 1.5; }
.reading-model figcaption { font-size: .86rem; line-height: 1.5; color: var(--muted); margin-top: 1.1rem; }
.reading-model figcaption strong { font-weight: 600; }

@media (max-width: 1120px) {
  .desktop-menu { margin-right: 0; }
  .site-header nav ul { gap: 1.2rem; }
  .hero-art { top: 1rem; right: calc(var(--gutter) * -1); width: 106vw; }
  .hero-copy { width: 48%; }
  .paper-hero { min-height: 35rem; }
  .featured-reading { grid-template-columns: 1fr 1.15fr; }
  .reading-briefs { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
  .reading-briefs li + li { margin-top: 0; }
  .reading-briefs a { grid-template-columns: 5.5rem minmax(0, 1fr); gap: .8rem; }
  .subject-index { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.7rem 0; }
  .subject-entry:nth-child(3) { padding-left: 0; border-left: 0; }
  .subject-entry:nth-child(2) { padding-right: 0; }
  .careful-reading { gap: 2rem; }
  .careful-reading > div { grid-template-columns: 6rem minmax(0, 1fr); gap: .6rem 1rem; }
}
@media (max-width: 800px) {
  .site-header { padding-block: 1rem 1.3rem; }
  .masthead { font-size: 3rem; }
  .desktop-menu { display: none; }
  .mobile-menu { display: block; }
  .mobile-menu nav { position: absolute; top: calc(100% - .8rem); left: 0; right: 0; padding: 1rem 1.25rem; background: var(--paper); border-block: 1px solid var(--ink); box-shadow: 0 1rem 2rem rgb(0 0 0 / .06); }
  .mobile-menu nav ul { display: block; }
  .mobile-menu nav a { min-height: 44px; padding-block: .7rem; }
  .paper-hero { min-height: 0; display: flex; flex-direction: column; padding-top: 0; padding-bottom: 2rem; }
  .hero-art { position: relative; z-index: 0; order: -1; width: calc(100% + var(--gutter) * 2); max-width: none; margin-inline: calc(var(--gutter) * -1); margin-top: -.7rem; top: auto; right: auto; }
  .hero-copy { width: 100%; max-width: 38rem; margin-top: .3rem; }
  .hero-copy h1 { max-width: 14ch; font-size: clamp(3.4rem, 8.8vw, 5.2rem); }
  .hero-deck { max-width: 36ch; font-size: 1.3rem; }
  .featured-reading { grid-template-columns: 1fr 1fr; gap: 1.8rem; padding-top: .7rem; }
  .feature-copy h2 { font-size: 2.3rem; }
  .reading-briefs { display: block; }
  .reading-briefs li + li { margin-top: 1rem; }
  .reading-briefs a { grid-template-columns: 6.5rem minmax(0, 1fr); }
  .reading-briefs a > span:last-child { font-size: 1.35rem; }
  .careful-reading { grid-template-columns: 1fr; gap: 2rem; }
  .careful-reading > div { grid-template-columns: 7rem minmax(0, 1fr); }
  .home-notebook { grid-template-columns: 1fr; gap: 1.2rem; padding-block: 2.5rem; }
  .notebook-heading h2 { max-width: 20ch; font-size: 3rem; }
  .notebook-heading p { max-width: 55ch; }
  .notebook-art { display: none; }
  .home-source-copy { max-width: 72ch; }
  .home-backmatter { grid-template-columns: 1fr; gap: .5rem; }
  .article-heading { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .article-heading h1 { max-width: 25ch; font-size: clamp(2.6rem, 6.8vw, 4.1rem); }
  .article-art { width: min(100%, 17rem); justify-self: start; }
  .reading-layout { grid-template-columns: minmax(0, 1fr); gap: 2rem; padding-top: 0; }
  .article-contents { position: static; padding-block: 1rem; border-block: 1px solid var(--line); }
  .article-contents ul { display: flex; flex-wrap: wrap; gap: .6rem 1.25rem; }
  .article-contents li { margin: 0; }
  .article-copy { font-size: 1.12rem; }
  .article-backmatter { padding-left: 0; }
}
@media (max-width: 500px) {
  :root { --gutter: 1.15rem; }
  body { font-size: 17px; }
  .masthead { font-size: 2.6rem; }
  .site-header { gap: 1rem; }
  .hero-copy h1 { font-size: clamp(2.8rem, 11.8vw, 3.7rem); max-width: 12ch; line-height: 1.02; }
  .hero-deck { font-size: 1.2rem; line-height: 1.35; }
  .featured-reading { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; padding-bottom: 2rem; }
  .featured-art { max-width: 100%; }
  .feature-copy h2 { font-size: 2.4rem; max-width: 19ch; }
  .feature-copy p:not(.section-kicker) { font-size: 1.07rem; }
  .reading-briefs { grid-column: auto; margin-top: .2rem; }
  .reading-briefs a { grid-template-columns: 6rem minmax(0, 1fr); }
  .reading-briefs a > span:last-child { font-size: 1.22rem; }
  .subject-index { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .subject-entry, .subject-entry:first-child, .subject-entry:last-child, .subject-entry:nth-child(3), .subject-entry:nth-child(2) { padding: 1rem 0; border-left: 0; border-bottom: 1px solid var(--line); grid-template-columns: minmax(0, 1fr) 5.5rem; }
  .subject-entry h3 { font-size: 1.8rem; max-width: 16ch; }
  .careful-reading { padding-block: 1.5rem 2rem; }
  .careful-reading > div { grid-template-columns: 5.2rem minmax(0, 1fr); }
  .careful-reading h2 { font-size: 1.55rem; }
  .careful-reading p { font-size: 1rem; }
  .notebook-heading h2 { font-size: 2.35rem; }
  .home-source-copy h3 { font-size: 1.5rem; }
  .article-heading { padding-top: 1rem; padding-bottom: 2rem; }
  .article-heading h1 { font-size: 2.55rem; line-height: 1.08; letter-spacing: -.055em; }
  .article-deck { font-size: 1.18rem; }
  .article-copy { font-size: 1.08rem; line-height: 1.7; }
  .article-copy h2 { font-size: 1.65rem; }
  .guide-subject { grid-template-columns: 4.5rem minmax(0, 1fr); gap: 1rem; }
  .guide-subject h2 { font-size: 1.5rem; }
  .guide-subject li { font-size: 1.02rem; }
  .diagram-parts { grid-template-columns: minmax(0, 1fr); }
  .reading-model { padding-block: 1rem; }
  .site-footer { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .site-footer nav { flex-wrap: wrap; }
  .preview-note { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  body { background: white; color: black; font-size: 11pt; }
  .wrap { width: 100%; max-width: none; }
  .desktop-menu, .mobile-menu, .article-contents, .atlas-cell, .hero-art, .article-art, .editorial-image, .skip-link, .private-contact form { display: none !important; }
  .site-header { padding: 0 0 1rem; }
  .masthead { font-size: 26pt; }
  .paper-hero, .hero-copy, .featured-reading, .careful-reading, .home-notebook, .home-backmatter, .article-heading, .reading-layout, .site-footer { display: block; width: 100%; min-height: 0; }
  .hero-copy h1, .article-heading h1 { max-width: none; font-size: 28pt; }
  .article-copy, .home-source-copy { max-width: none; font-size: 11pt; }
  .source-section, .reader-questions, .source-notes, .related-reading { display: block !important; visibility: visible !important; }
  .source-section h2, .source-section h3, .faq-answer h3 { break-after: avoid; }
  .faq-answer { break-inside: avoid; }
  .article-backmatter { padding: 0; }
  a { color: black; text-decoration: underline; }
}

/* Exact legacy inline geometry, external CSS only; no CSP relaxation. */
span.rg-atlas-00 { --atlas-x:0%;--atlas-y:0%; }
span.rg-atlas-10 { --atlas-x:100%;--atlas-y:0%; }
span.rg-atlas-01 { --atlas-x:0%;--atlas-y:50%; }
span.rg-atlas-11 { --atlas-x:100%;--atlas-y:50%; }
span.rg-atlas-02 { --atlas-x:0%;--atlas-y:100%; }
span.rg-atlas-12 { --atlas-x:100%;--atlas-y:100%; }
img.rg-object-center { object-position:50% 50%; }
.atlas-image > img.rg-sheet-12 { width:200%;height:300%;left:-100%;top:-200%; }
.atlas-image > img.rg-sheet-02 { width:200%;height:300%;left:0%;top:-200%; }