:root {
  --ink: #07131b;
  --deep: #0b1b24;
  --blue: #10242e;
  --gold: #d1b078;
  --gold-light: #e5cba0;
  --white: #eeeae1;
  --muted: #a6b3b9;
  --line: rgba(208, 185, 148, .22);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Manrope', Arial, sans-serif;
  --gutter: clamp(24px, 5.55vw, 96px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--ink); color: var(--white); font: 400 16px/1.8 var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
::selection { background: var(--gold); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
img { display: block; max-width: 100%; }
p, h1, h2, h3, figure, blockquote, dl { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; }
em { font-weight: 400; }
ul { margin: 0; padding: 0; list-style: none; }
button, summary { cursor: pointer; }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--gold); outline-offset: 7px; }
[hidden] { display: none !important; }
.container { width: min(100%, 1600px); margin-inline: auto; padding-inline: var(--gutter); }
.section-space { padding-block: clamp(88px, 8.6vw, 144px); }
.eyebrow { text-transform: uppercase; font-size: 12px; font-weight: 600; letter-spacing: .18em; line-height: 1.6; }
.section-number { color: var(--muted); font-size: 12px; letter-spacing: .12em; }
.section-topline { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 58px; }
.section-topline .eyebrow { color: var(--gold); }
.display-heading { font-size: clamp(48px, 5.2vw, 84px); letter-spacing: -.035em; line-height: 1.02; }
.display-heading em { color: var(--gold); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 30px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 56px; padding: 16px 27px; border: 1px solid transparent; font-size: 14px; line-height: 1.5; font-weight: 600; letter-spacing: .01em; transition: background .25s, color .25s, border-color .25s, transform .25s; }
.button:hover { transform: translateY(-2px); }
.button-gold { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.button-gold:hover { background: var(--gold-light); border-color: var(--gold-light); }
.button-dark { background: var(--ink); color: var(--white); border-color: var(--ink); }
.button-dark:hover { background: #233b47; border-color: #233b47; }
.button-outline { border-color: rgba(229, 203, 160, .6); background: rgba(7, 19, 27, .2); color: var(--white); }
.button-outline:hover { background: var(--white); border-color: var(--white); color: var(--ink); }
.text-link { display: inline-block; padding: 6px 0; font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--gold); transition: color .2s, border-color .2s; }
.text-link:hover { color: var(--gold-light); border-color: currentColor; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 200; top: 16px; left: 16px; padding: 10px 20px; background: var(--gold); color: var(--ink); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.reading-progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 110; pointer-events: none; }
.reading-progress span { display: block; width: 100%; height: 100%; background: var(--gold); transform: scaleX(0); transform-origin: left; }

/* Navigation */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 104px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-inline: var(--gutter); border-bottom: 1px solid rgba(238, 234, 225, .12); transition: background .35s, height .35s, border-color .35s; }
.site-header.scrolled { height: 82px; background: rgba(7, 19, 27, .94); backdrop-filter: blur(18px); border-color: var(--line); }
.brand { display: flex; align-items: center; gap: 23px; flex-shrink: 0; }
.brand-monogram { font-family: var(--serif); font-size: 42px; line-height: 1; letter-spacing: -.065em; }
.brand-dot { color: var(--gold); }
.brand-title { padding-left: 22px; border-left: 1px solid rgba(209, 176, 120, .5); font-size: 12px; line-height: 1.6; letter-spacing: .03em; }
.site-navigation { display: flex; align-items: center; gap: clamp(24px, 2.8vw, 46px); }
.site-navigation a { font-size: 14px; transition: color .2s; }
.site-navigation a:hover { color: var(--gold); }
.site-navigation .nav-cta { padding: 11px 22px; border: 1px solid rgba(209, 176, 120, .65); }
.site-navigation .nav-cta:hover { background: var(--gold); color: var(--ink); }
.menu-toggle { display: none; border: 0; background: none; width: 46px; height: 46px; padding: 11px 6px; position: relative; }
.menu-toggle span { display: block; height: 1px; width: 30px; background: var(--white); transition: transform .25s; position: absolute; left: 8px; top: 18px; }
.menu-toggle span:last-child { top: 27px; }

/* The opening horizon */
.hero { min-height: 840px; height: 100svh; max-height: 1200px; position: relative; isolation: isolate; overflow: hidden; display: flex; align-items: center; }
.hero-image { position: absolute; z-index: -3; width: 100%; height: 100%; inset: 0; object-fit: cover; object-position: 61% center; animation: horizon-arrive 22s ease-out both; }
.hero-shade { position: absolute; z-index: -2; inset: 0; background: linear-gradient(90deg, rgba(4, 14, 23, .72) 0%, rgba(4, 14, 23, .35) 42%, rgba(4, 14, 23, .03) 76%), linear-gradient(0deg, #07131b 0%, rgba(7, 19, 27, .32) 19%, transparent 60%, rgba(4, 14, 23, .22) 100%); }
.hero-content { padding-top: 102px; padding-bottom: 95px; }
.hero-eyebrow { display: flex; align-items: center; gap: 14px; color: var(--gold-light); margin-bottom: 29px; max-width: 560px; animation: text-arrive 1.1s .15s both; }
.hero-eyebrow > span { display: block; height: 1px; width: 32px; background: var(--gold); flex-shrink: 0; }
.hero h1 { font-size: clamp(78px, 8.55vw, 142px); line-height: .92; letter-spacing: -.048em; margin-left: -4px; animation: text-arrive 1.3s .25s both; }
.hero h1 em { color: var(--gold-light); }
.hero-subtitle { color: #d0d8db; max-width: 490px; margin-top: 32px; font-size: clamp(16px, 1.17vw, 19px); line-height: 1.85; animation: text-arrive 1.2s .45s both; }
.hero-actions { margin-top: 33px; animation: text-arrive 1.2s .6s both; }
.hero-author { font-size: 14px; color: var(--muted); margin-top: 36px; line-height: 1.8; animation: text-arrive 1.2s .75s both; }
.hero-author > span:first-child { color: var(--white); }
.hero-credentials { font-size: 12px; letter-spacing: .08em; }
.hero-bottom { position: absolute; bottom: 34px; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.hero-bottom p { font-size: 12px; color: #cad0ce; letter-spacing: .13em; text-transform: uppercase; }
.scroll-cue { display: inline-flex; align-items: center; gap: 16px; font-size: 12px; letter-spacing: .05em; }
.scroll-line { width: 1px; height: 42px; background: rgba(209, 176, 120, .3); position: relative; overflow: hidden; }
.scroll-line::after { content: ''; display: block; width: 100%; height: 18px; background: var(--gold-light); animation: scroll-line 2.5s 2s ease-in-out 5; }
.hero-side-note { position: absolute; right: 23px; top: 50%; writing-mode: vertical-rl; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: rgba(238, 234, 225, .66); }
@keyframes horizon-arrive { from { transform: scale(1.07); } to { transform: scale(1); } }
@keyframes text-arrive { from { opacity: 0; transform: translateY(23px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scroll-line { from { transform: translateY(-20px); } to { transform: translateY(54px); } }

/* The central proposition */
.introduction { background: var(--ink); padding-top: 91px; }
.intro-layout { display: grid; grid-template-columns: 1.55fr 1fr; gap: 8%; align-items: end; }
.statement { font-size: clamp(62px, 7.1vw, 114px); line-height: 1.01; letter-spacing: -.035em; }
.statement em { color: var(--gold); }
.intro-aside { max-width: 370px; padding-bottom: 6px; justify-self: end; }
.small-rule { display: block; width: 44px; height: 1px; background: var(--gold); margin-bottom: 25px; }
.serif-lead { font-family: var(--serif); font-size: 34px; line-height: 1.2; margin-bottom: 21px; }
.intro-aside > p:not(.serif-lead) { color: var(--muted); line-height: 1.9; }
.intro-aside .text-link { margin-top: 23px; }
.theme-line { border-top: 1px solid var(--line); margin-top: 78px; padding-top: 24px; display: flex; justify-content: space-between; gap: 24px; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.theme-line span + span { position: relative; }
.theme-line span + span::before { content: ''; position: absolute; top: 8px; left: -42px; width: 4px; height: 4px; background: var(--gold); transform: rotate(45deg); }

/* An editorial book gallery */
.book-section { background: #eceae3; color: #172830; }
.book-section .section-topline { border-color: rgba(23, 40, 48, .18); }
.book-section .section-topline .eyebrow { color: #746043; }
.book-section .section-number { color: #5c666b; }
.book-section .display-heading em { color: #826b44; }
.book-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 9%; align-items: center; }
.book-gallery { align-self: center; }
.book-frame { position: relative; border: 1px solid rgba(92, 93, 79, .27); background: radial-gradient(ellipse at 50% 43%, #dadbce 0%, #e1e2d9 42%, #e8e7de 76%); min-height: 586px; padding: 73px 36px 66px; display: flex; justify-content: center; align-items: center; }
.book-frame::before { content: ''; position: absolute; inset: 13px; border: 1px solid rgba(92, 93, 79, .12); pointer-events: none; }
.book-cover { width: min(100%, 312px); height: auto; box-shadow: 13px 25px 32px rgba(27, 38, 30, .22), 1px 3px 7px rgba(27, 38, 30, .25); position: relative; transition: transform .6s; }
.book-gallery:hover .book-cover { transform: translateY(-5px); }
.gallery-label, .gallery-edition { position: absolute; text-align: center; font-size: 12px; color: #62685d; letter-spacing: .11em; text-transform: uppercase; left: 20px; right: 20px; }
.gallery-label { top: 28px; }
.gallery-edition { bottom: 27px; }
.book-gallery figcaption { font-family: var(--serif); font-style: italic; font-size: 20px; color: #62685d; text-align: center; margin-top: 20px; }
.book-copy .display-heading { margin-bottom: 27px; }
.book-lead { font-size: 18px; font-weight: 600; line-height: 1.65; margin-bottom: 21px; }
.book-copy > p:not(.book-lead):not(.edition-note) { color: #4d5d62; margin-top: 15px; }
.book-actions { margin-top: 29px; gap: 24px; }
.book-section .text-link { border-color: #9c8154; }
.book-section .text-link:hover { color: #826b44; }
.book-section :focus-visible { outline-color: #826b44; }
.book-facts { display: grid; grid-template-columns: 1fr 1fr; margin-top: 36px; border-top: 1px solid rgba(23, 40, 48, .18); padding-top: 22px; gap: 16px 14px; }
.book-facts dt { font-size: 12px; color: #687277; letter-spacing: .04em; margin-bottom: 5px; }
.book-facts dd { margin: 0; font-size: 14px; }
.edition-note { font-size: 12px; color: #637078; margin-top: 21px; }

/* The three-part architecture */
.pillars-section { background: linear-gradient(150deg, #10232d, #07151e 64%); }
.section-heading-row { display: flex; justify-content: space-between; align-items: end; gap: 50px; }
.section-heading-row > p { color: var(--muted); max-width: 365px; padding-bottom: 7px; }
.pillars-tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 63px; border-top: 1px solid var(--line); }
.pillar-tab { min-width: 0; text-align: left; display: flex; gap: clamp(18px, 2.3vw, 38px); align-items: center; position: relative; background: transparent; border: 0; border-bottom: 1px solid var(--line); padding: 34px 30px 39px 0; transition: background .3s; }
.pillar-tab + .pillar-tab { padding-left: 34px; }
.pillar-tab + .pillar-tab::before { content: ''; position: absolute; top: 34px; bottom: 39px; left: 0; width: 1px; background: var(--line); }
.pillar-roman { font-family: var(--serif); font-weight: 400; font-size: clamp(74px, 7.4vw, 112px); line-height: 1; color: #687981; transition: color .3s; }
.pillar-caption { display: flex; flex-direction: column; gap: 13px; }
.pillar-kicker { color: #aab7bc; font-size: 12px; text-transform: uppercase; letter-spacing: .09em; }
.pillar-name { color: #b7c0c2; font-family: var(--serif); font-size: clamp(27px, 2.5vw, 38px); line-height: 1.08; transition: color .3s; }
.pillar-selector { position: absolute; bottom: -1px; height: 2px; left: 0; right: 0; background: var(--gold); transform: scaleX(0); transition: transform .4s; transform-origin: left; }
.pillar-tab[aria-selected="true"] .pillar-roman { color: var(--gold); }
.pillar-tab[aria-selected="true"] .pillar-name { color: var(--white); }
.pillar-tab[aria-selected="true"] .pillar-kicker { color: var(--gold-light); }
.pillar-tab[aria-selected="true"] .pillar-selector { transform: scaleX(1); }
.pillar-tab:hover .pillar-name, .pillar-tab:hover .pillar-roman { color: var(--gold-light); }
.pillar-tab:focus-visible { outline-offset: -5px; }
.pillar-panels { padding-block: 45px 42px; min-height: 272px; }
.pillar-panel { display: grid; grid-template-columns: 1fr 1.14fr; gap: 9%; animation: panel-in .4s ease-out; }
.pillar-panel h3 { font-size: clamp(36px, 3.5vw, 54px); line-height: 1.08; letter-spacing: -.02em; }
.pillar-panel h3 em { color: var(--gold); }
.pillar-heading-label { display: block; margin-bottom: 16px; font: 400 14px/1.6 var(--sans); letter-spacing: 0; color: var(--muted); }
.pillar-panels:not(.enhanced) .pillar-panel + .pillar-panel { margin-top: 42px; padding-top: 35px; border-top: 1px solid var(--line); }
.pillar-body > p { color: #b2bec3; max-width: 590px; }
.pillar-topics { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 22px; }
.pillar-topics li { font-size: 12px; color: var(--gold-light); padding-left: 12px; position: relative; }
.pillar-topics li::before { content: ''; position: absolute; left: 0; top: 9px; height: 3px; width: 3px; background: var(--gold); }
.proposal-note { border-top: 1px solid var(--line); padding-top: 22px; color: var(--muted); font-size: 12px; }
@keyframes panel-in { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }

/* Interdependence, from above */
.beyond-section { display: grid; grid-template-columns: .94fr 1fr; background: #142a34; }
.beyond-image-panel { position: relative; min-height: 800px; isolation: isolate; overflow: hidden; }
.beyond-image-panel > img { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 49% 50%; filter: saturate(.62) brightness(.68); }
.ocean-shade { position: absolute; z-index: -1; inset: 0; background: linear-gradient(0deg, rgba(4, 23, 32, .96), rgba(8, 32, 44, .08) 80%); }
.ocean-caption { position: absolute; left: var(--gutter); right: 32px; bottom: 70px; }
.ocean-caption .eyebrow { color: var(--gold-light); margin-bottom: 23px; }
.ocean-caption > p:not(.eyebrow) { font-family: var(--serif); font-size: clamp(40px, 4.1vw, 67px); line-height: 1.05; letter-spacing: -.03em; }
.ocean-caption em { color: var(--gold-light); }
.ocean-coordinate { display: inline-block; font-size: 12px; color: #acbec6; margin-top: 25px; letter-spacing: .08em; }
.beyond-content { padding: 70px clamp(32px, 5vw, 80px) 80px; }
.beyond-content .section-topline { margin-bottom: 43px; }
.beyond-content .display-heading { font-size: clamp(42px, 4.1vw, 64px); }
.beyond-intro { color: #b8c3c6; margin-top: 24px; }
.topic-accordion { margin-top: 34px; border-top: 1px solid var(--line); }
.topic-accordion details { border-bottom: 1px solid var(--line); }
.topic-accordion summary { display: flex; align-items: center; gap: 18px; padding: 23px 0; list-style: none; font-size: 17px; transition: color .2s; }
.topic-accordion summary::-webkit-details-marker { display: none; }
.topic-accordion summary:hover { color: var(--gold-light); }
.topic-number { font-size: 12px; color: var(--gold); }
.accordion-symbol { position: relative; width: 18px; height: 18px; flex-shrink: 0; margin-left: auto; }
.accordion-symbol::before, .accordion-symbol::after { content: ''; position: absolute; background: var(--gold); left: 3px; right: 3px; top: 8px; height: 1px; }
.accordion-symbol::after { transform: rotate(90deg); transition: transform .25s; }
.topic-accordion details[open] .accordion-symbol::after { transform: rotate(0); }
.topic-content { padding: 0 28px 24px 33px; color: #b8c3c6; font-size: 16px; }

/* The voice behind the proposal */
.reference-section { background: #0d1e28; border-bottom: 1px solid var(--line); }
.reference-section .section-topline { align-items: center; }
.reference-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 8%; align-items: start; }
.reference-intro .display-heading { font-size: clamp(43px, 4.4vw, 68px); }
.reference-intro p { color: #b8c3c6; }
.reference-intro p + p { margin-top: 20px; }
.reference-intro strong, .reference-grid strong { font-weight: 600; color: var(--white); }
.reference-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 38px 8%; margin-top: 49px; }
.reference-grid article { border-top: 1px solid var(--line); padding-top: 25px; }
.reference-grid h3 { font-size: 32px; line-height: 1.2; color: var(--gold-light); margin-bottom: 20px; }
.reference-grid ul { padding-left: 20px; list-style: disc; color: #b8c3c6; }
.reference-grid li { padding-left: 4px; }
.reference-grid li + li { margin-top: 14px; }
.reference-grid li::marker { color: var(--gold); }
.reference-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; border-top: 1px solid var(--line); margin-top: 46px; padding-top: 26px; }
.reference-facts dt { font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.reference-facts dd { font-size: 14px; margin: 0; }
.reference-updated { font-size: 12px; color: var(--muted); margin-top: 24px; }
.retailer-reference { margin-top: 22px; }
.author-section { background: var(--ink); }
.author-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 12%; align-items: center; }
.author-pretitle { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 19px; }
.author-copy .display-heading { font-size: clamp(50px, 5.6vw, 90px); }
.author-deck { font-size: 19px; line-height: 1.65; margin-top: 31px; margin-bottom: 21px; max-width: 430px; }
.author-copy > p:not(.author-pretitle):not(.author-deck) { color: var(--muted); margin-top: 17px; }
.author-copy .text-link { margin-top: 27px; }
.author-quote { position: relative; padding: 20px 0 24px; }
.quote-mark { font-family: var(--serif); font-size: 160px; line-height: .5; color: var(--gold); display: block; height: 69px; opacity: .75; }
.author-quote blockquote { font-family: var(--serif); font-size: clamp(38px, 3.8vw, 60px); line-height: 1.15; letter-spacing: -.02em; }
.author-quote blockquote em { color: var(--gold); }
.author-quote figcaption { display: flex; gap: 18px; margin-top: 34px; font-size: 14px; line-height: 1.9; }
.quote-rule { height: 1px; width: 30px; background: var(--gold); margin-top: 13px; flex-shrink: 0; }
.author-quote figcaption a { color: var(--muted); font-size: 12px; border-bottom: 1px solid var(--line); }
.author-quote figcaption a:hover { color: var(--gold); }

/* The invitation */
.closing-section { min-height: 660px; position: relative; isolation: isolate; overflow: hidden; text-align: center; padding-block: 114px 100px; border-top: 1px solid var(--line); }
.closing-image { z-index: -3; position: absolute; width: 100%; height: 100%; object-fit: cover; object-position: 50% 58%; inset: 0; filter: saturate(.7); }
.closing-shade { z-index: -2; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7, 19, 27, .94), rgba(7, 19, 27, .7) 58%, rgba(7, 19, 27, .6)); }
.closing-content .eyebrow { color: var(--gold-light); margin-bottom: 31px; }
.closing-content h2 { font-size: clamp(58px, 7vw, 112px); letter-spacing: -.035em; line-height: .99; }
.closing-content h2 em { color: var(--gold-light); }
.closing-content > p:not(.eyebrow):not(.closing-editions):not(.isbn) { margin-top: 26px; color: #d0d5d4; }
.closing-actions { justify-content: center; margin-top: 34px; gap: 16px; }
.closing-content .closing-editions { margin-top: 29px; color: #d0d5d4; font-size: 14px; }
.closing-content .isbn { color: var(--muted); font-size: 12px; margin-top: 6px; }

/* Colophon */
.site-footer { padding-top: 74px; background: #050f15; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 60px; padding-bottom: 61px; }
.footer-wordmark { font-family: var(--serif); font-size: clamp(43px, 4.5vw, 70px); line-height: .97; letter-spacing: -.04em; }
.footer-wordmark em { color: var(--gold); }
.footer-right { display: flex; gap: clamp(54px, 8vw, 128px); }
.footer-right > p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.footer-right nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 32px; font-size: 14px; align-items: start; }
.footer-right nav a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--line); padding-block: 24px 27px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 13px 20px; font-size: 12px; color: #82929a; }
.footer-bottom a:hover { color: var(--gold-light); }

/* Enhancement: content remains visible if JavaScript is unavailable. */
.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .reveal.ready { opacity: 0; transform: translateY(24px); transition: opacity .85s ease, transform .85s cubic-bezier(.2,.65,.3,1); }
  .reveal.ready.visible { opacity: 1; transform: translateY(0); }
}

@media (min-width: 1680px) {
  .site-header { padding-inline: max(96px, calc((100vw - 1408px) / 2)); }
  .hero-side-note { right: 40px; }
  .beyond-content { padding-block: 96px; }
}
@media (max-width: 1150px) {
  .brand-title { display: none; }
  .hero { min-height: 820px; }
  .hero h1 { font-size: clamp(80px, 9.2vw, 112px); }
  .hero-subtitle { max-width: 450px; }
  .intro-layout { gap: 6%; grid-template-columns: 1.4fr 1fr; }
  .statement { font-size: 8vw; }
  .intro-aside { max-width: 320px; }
  .serif-lead { font-size: 31px; }
  .book-layout { gap: 6%; grid-template-columns: .9fr 1.1fr; }
  .book-frame { min-height: 490px; padding-inline: 32px; }
  .book-actions { gap: 16px; }
  .book-actions .button { padding-inline: 20px; }
  .pillar-tab { gap: 18px; padding-right: 18px; }
  .pillar-tab + .pillar-tab { padding-left: 22px; }
  .pillar-name { font-size: 28px; overflow-wrap: break-word; }
  .pillar-kicker { letter-spacing: .035em; }
  .beyond-content { padding-inline: 36px; }
  .beyond-content .eyebrow { font-size: 12px; letter-spacing: .08em; }
  .author-layout { gap: 8%; }
}
@media (max-width: 900px) {
  .site-header, .site-header.scrolled { height: 80px; }
  .brand-title { display: block; }
  .brand-monogram { font-size: 36px; }
  .brand { gap: 18px; }
  .brand-title { padding-left: 18px; }
  .menu-toggle { display: block; z-index: 2; }
  .site-navigation { position: fixed; top: 80px; left: 0; right: 0; display: none; padding: 42px var(--gutter) 52px; flex-direction: column; align-items: stretch; gap: 0; background: #07131b; box-shadow: 0 100vh 0 100vh rgba(2, 9, 14, .8); border-bottom: 1px solid var(--line); max-height: calc(100dvh - 80px); overflow-y: auto; }
  .site-navigation a { padding: 16px 0; font-family: var(--serif); font-size: 34px; }
  .site-navigation .nav-cta { font-family: var(--sans); font-size: 14px; align-self: flex-start; padding: 15px 28px; margin-top: 24px; }
  .menu-open .site-header { background: var(--ink); }
  .menu-open .site-navigation { display: flex; }
  .menu-open .menu-toggle span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-open .menu-toggle span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .hero { min-height: 830px; max-height: 1100px; }
  .hero-content { padding-top: 110px; }
  .hero h1 { font-size: clamp(76px, 10.5vw, 106px); }
  .hero-image { object-position: 56% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(4, 14, 23, .8), rgba(4, 14, 23, .35) 65%, rgba(4, 14, 23, .15)), linear-gradient(0deg, #07131b, transparent 60%); }
  .hero-side-note { display: none; }
  .hero-bottom p { font-size: 12px; letter-spacing: .05em; }
  .intro-layout { grid-template-columns: 1fr; gap: 44px; }
  .statement { font-size: clamp(67px, 10.4vw, 95px); }
  .intro-aside { max-width: 490px; justify-self: end; padding-left: 15%; }
  .theme-line { margin-top: 58px; letter-spacing: .06em; }
  .theme-line span + span::before { display: none; }
  .book-layout { gap: 44px; grid-template-columns: 1fr 1.15fr; align-items: start; }
  .book-frame { min-height: 0; padding: 62px 26px 59px; }
  .book-gallery { margin-top: 28px; align-self: start; }
  .gallery-label, .gallery-edition { font-size: 12px; letter-spacing: .015em; }
  .book-gallery figcaption { font-size: 18px; }
  .book-copy .display-heading { font-size: clamp(44px, 6vw, 57px); }
  .book-lead { font-size: 16px; }
  .section-heading-row { gap: 35px; align-items: start; }
  .section-heading-row > p { max-width: 290px; padding-top: 6px; }
  .pillars-tabs { margin-top: 45px; }
  .pillar-tab { flex-direction: column; align-items: flex-start; gap: 15px; padding-bottom: 29px; }
  .pillar-tab + .pillar-tab::before { bottom: 29px; }
  .pillar-roman { font-size: 82px; }
  .pillar-name { font-size: 31px; }
  .pillar-kicker { font-size: 12px; }
  .pillar-caption { gap: 8px; }
  .pillar-panel { grid-template-columns: .9fr 1.1fr; gap: 40px; }
  .pillar-panels { min-height: 335px; }
  .beyond-section { grid-template-columns: 1fr; }
  .beyond-image-panel { min-height: 520px; }
  .beyond-image-panel > img { object-position: center 43%; }
  .ocean-caption { bottom: 50px; }
  .ocean-caption > p:not(.eyebrow) { font-size: 60px; }
  .beyond-content { padding: 66px var(--gutter) 80px; }
  .beyond-content .display-heading { font-size: 64px; }
  .beyond-intro { max-width: 580px; }
  .topic-accordion summary { font-size: 19px; padding-block: 24px; }
  .topic-content { max-width: 640px; }
  .author-layout { gap: 50px; grid-template-columns: 1.15fr 1fr; }
  .reference-intro { grid-template-columns: 1fr; gap: 28px; }
  .reference-facts { grid-template-columns: 1fr 1fr; }
  .author-copy .display-heading { font-size: 55px; }
  .author-quote blockquote { font-size: 42px; }
  .author-deck { font-size: 17px; }
  .footer-right { gap: 34px; }
  .footer-right nav { display: flex; flex-direction: column; gap: 5px; }
  .footer-main { gap: 35px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 78px; }
  .section-space { padding-block: 76px; }
  .section-topline { margin-bottom: 38px; padding-bottom: 18px; }
  .display-heading { font-size: clamp(46px, 11vw, 64px); }
  .eyebrow { font-size: 12px; letter-spacing: .13em; }
  .brand-title { font-size: 12px; line-height: 1.45; }
  .site-header, .site-header.scrolled { height: 76px; }
  .site-navigation { top: 76px; max-height: calc(100dvh - 76px); }
  .hero { min-height: 840px; height: 100svh; max-height: 1080px; align-items: center; }
  .hero-content { padding-top: 112px; padding-bottom: 120px; }
  .hero-image { object-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(4, 14, 23, .76), rgba(4, 14, 23, .4)), linear-gradient(0deg, #07131b 0%, rgba(7, 19, 27, .13) 65%, rgba(7, 19, 27, .25)); }
  .hero-eyebrow { max-width: 290px; margin-bottom: 26px; font-size: 12px; letter-spacing: .13em; line-height: 1.7; gap: 13px; }
  .hero-eyebrow > span { width: 23px; }
  .hero h1 { font-size: clamp(63px, 14.1vw, 87px); line-height: .95; letter-spacing: -.055em; margin-left: -2px; }
  .hero-subtitle { font-size: 16px; line-height: 1.8; max-width: 360px; margin-top: 27px; }
  .hero-actions { gap: 18px 23px; margin-top: 27px; }
  .hero-actions .button { padding-inline: 22px; }
  .hero-author { margin-top: 29px; }
  .hero-bottom { bottom: 24px; }
  .hero-bottom p { display: none; }
  .scroll-line { height: 33px; }
  .statement { font-size: clamp(59px, 12.7vw, 80px); line-height: 1.04; letter-spacing: -.047em; }
  .intro-layout { gap: 38px; }
  .intro-aside { padding-left: 11%; max-width: 440px; }
  .serif-lead { font-size: 31px; }
  .small-rule { margin-bottom: 20px; }
  .theme-line { margin-top: 43px; flex-direction: column; gap: 11px; font-size: 12px; padding-top: 24px; letter-spacing: .12em; }
  .theme-line span { display: flex; align-items: center; gap: 13px; }
  .theme-line span::before, .theme-line span + span::before { display: block; position: static; content: ''; width: 3px; height: 3px; background: var(--gold); transform: rotate(45deg); }
  .book-layout { grid-template-columns: 1fr; gap: 47px; }
  .book-gallery { margin: 0 auto; max-width: 420px; width: 100%; }
  .book-frame { padding: 60px 47px 59px; }
  .book-cover { width: min(100%, 264px); }
  .gallery-label { top: 26px; }
  .gallery-edition { bottom: 24px; }
  .book-copy .display-heading { font-size: clamp(53px, 12vw, 70px); }
  .book-lead { font-size: 18px; }
  .book-copy > p:not(.book-lead):not(.edition-note) { line-height: 1.9; }
  .book-actions { gap: 18px 26px; }
  .book-facts { gap: 12px; }
  .book-facts dd { font-size: 14px; }
  .section-heading-row { display: block; }
  .section-heading-row > p { max-width: 100%; padding: 0; margin-top: 26px; }
  .pillars-tabs { grid-template-columns: 1fr; margin-top: 36px; }
  .pillar-tab, .pillar-tab + .pillar-tab { flex-direction: row; align-items: center; padding: 23px 7px; gap: 28px; }
  .pillar-tab + .pillar-tab::before { display: none; }
  .pillar-roman { font-size: 67px; min-width: 72px; text-align: center; }
  .pillar-caption { gap: 6px; }
  .pillar-name { font-size: 29px; }
  .reference-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 36px; }
  .reference-grid h3 { font-size: 29px; }
  .reference-section .section-topline { flex-wrap: wrap; gap: 12px; }
  .pillar-kicker { letter-spacing: .12em; }
  .pillar-panels { padding-block: 34px; min-height: 365px; }
  .pillar-panel { grid-template-columns: 1fr; gap: 25px; }
  .pillar-panel h3 { font-size: 42px; }
  .pillar-body > p { font-size: 16px; line-height: 1.85; }
  .pillar-topics { gap: 9px 18px; }
  .proposal-note { line-height: 1.7; }
  .beyond-image-panel { min-height: 470px; }
  .beyond-image-panel > img { object-position: 53% 46%; }
  .ocean-caption { bottom: 42px; }
  .ocean-caption > p:not(.eyebrow) { font-size: clamp(42px, 10vw, 60px); }
  .ocean-caption .eyebrow { margin-bottom: 20px; }
  .beyond-content { padding-block: 53px 65px; }
  .beyond-content .section-topline { margin-bottom: 35px; }
  .beyond-content .display-heading { font-size: clamp(43px, 10.6vw, 62px); }
  .beyond-content .eyebrow { letter-spacing: .1em; }
  .beyond-intro { line-height: 1.9; }
  .topic-accordion summary { font-size: 17px; gap: 15px; }
  .topic-content { padding-left: 30px; padding-right: 13px; }
  .author-layout { grid-template-columns: 1fr; gap: 57px; }
  .author-copy .display-heading { font-size: clamp(54px, 12vw, 76px); }
  .author-deck { font-size: 19px; }
  .author-quote { border-top: 1px solid var(--line); padding-top: 54px; padding-bottom: 0; }
  .author-quote blockquote { font-size: clamp(43px, 10.4vw, 60px); }
  .quote-mark { font-size: 137px; height: 53px; }
  .closing-section { min-height: 640px; padding-block: 88px 76px; }
  .closing-content h2 { font-size: clamp(55px, 12.6vw, 78px); line-height: 1.03; letter-spacing: -.045em; }
  .closing-content .eyebrow { margin-bottom: 27px; }
  .closing-content > p:not(.eyebrow):not(.closing-editions):not(.isbn) { max-width: 320px; margin-inline: auto; font-size: 16px; }
  .closing-actions { flex-direction: column; gap: 13px; }
  .closing-actions .button { min-width: 249px; }
  .site-footer { padding-top: 55px; }
  .footer-main { display: block; padding-bottom: 40px; }
  .footer-wordmark { font-size: 51px; }
  .footer-right { margin-top: 35px; justify-content: space-between; gap: 23px; }
  .footer-right nav { font-size: 14px; }
  .footer-bottom { gap: 12px; padding-bottom: 25px; flex-direction: column; }
  .footer-bottom > p:nth-child(2) { color: #9caaaf; }
}
@media (max-width: 370px) {
  :root { --gutter: 20px; }
  .hero h1 { font-size: 60px; }
  .hero { min-height: 875px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 12px; }
  .hero-author { margin-top: 22px; }
  .hero-eyebrow { font-size: 12px; letter-spacing: .09em; }
  .book-frame { padding-inline: 34px; }
  .pillar-tab { gap: 14px; }
  .pillar-name { font-size: 27px; }
  .pillar-kicker { letter-spacing: .06em; }
  .pillar-roman { min-width: 60px; }
  .beyond-content .section-topline { gap: 10px; }
  .beyond-content .eyebrow { font-size: 12px; letter-spacing: .03em; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal.ready { opacity: 1; transform: none; }
  .button:hover, .book-gallery:hover .book-cover { transform: none; }
}