:root {
  --navy-950: #0e1116;
  --navy-900: #12171e;
  --navy-800: #1a232d;
  --paper: #f4f2ed;
  --paper-deep: #e8e4dc;
  --ink: #17202b;
  --muted: #66707b;
  --gold: #c5a059;
  --gold-light: #d4b475;
  --line: rgba(197, 160, 89, .32);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: #e8e0d0;
  background: #0e0e0e;
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(197, 160, 89, .18);
  background: rgba(14, 14, 14, .96);
  backdrop-filter: blur(12px);
}
.footer-inner, .section-inner {
  width: min(var(--content), calc(100% - 40px));
  margin-inline: auto;
}
.header-inner {
  width: 90%;
  margin-inline: auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { color: #f4f0e7; text-decoration: none; }
.brand-name { display: block; color: var(--gold); font: 700 1.15rem/1.15 var(--serif); letter-spacing: .08em; }
.brand-section { display: block; margin-top: 5px; color: var(--gold-light); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a { color: #888; text-decoration: none; font-size: .78rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--gold); }

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 15px 28px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  background: var(--gold);
  color: var(--navy-950);
  font-weight: 700;
  font-size: .85rem;
  line-height: 1.2;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background .2s, color .2s, transform .2s;
}
.button:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(197,160,89,.3); }
.button:disabled { cursor: not-allowed; opacity: .48; transform: none; }
.button-secondary { background: transparent; color: var(--gold-light); }
.button-secondary:hover { background: rgba(179,148,88,.1); color: #fff; }
.button-quiet { border-color: rgba(23,32,43,.22); background: transparent; color: var(--ink); }
.button-quiet:hover { border-color: var(--gold); background: transparent; }
.eyebrow { margin: 0 0 14px; color: var(--gold); font-size: .65rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.display { margin: 0; font: 700 clamp(42px, 6vw, 76px)/1.05 var(--serif); letter-spacing: -.025em; }
.section-title { margin: 0 0 24px; font: 700 clamp(32px, 4vw, 50px)/1.2 var(--serif); letter-spacing: -.015em; }
.muted { color: var(--muted); }

.catalog-hero {
  padding: 108px 0 92px;
  color: #f5f2ea;
  background:
    radial-gradient(circle at 78% 10%, rgba(197,160,89,.12), transparent 34%),
    linear-gradient(135deg, #0e0e0e, #171a1e);
}
.catalog-hero p:last-child { max-width: 650px; margin: 26px 0 0; color: #bcc3cb; font: 400 20px/1.6 var(--serif); }
.catalog { padding: 96px 0 110px; border-top: 1px solid #2a2a2a; background: #0e0e0e; }
.catalog .section-title { color: #fff; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.book-card { display: grid; grid-template-rows: auto 1fr; border: 1px solid rgba(197,160,89,.28); border-radius: 2px; background: #f4f2ed; color: var(--ink); box-shadow: 0 10px 30px rgba(0,0,0,.28); overflow: hidden; }
.book-card-cover, .cover-placeholder {
  aspect-ratio: 2 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(145deg, #0a1728, #172c44);
  color: #e8ddc4;
}
.book-card-cover img, .book-cover img { width: 100%; height: 100%; object-fit: cover; }
.cover-placeholder-inner { width: 76%; text-align: center; }
.cover-mark { width: 42px; height: 1px; margin: 0 auto 24px; background: var(--gold); }
.cover-placeholder strong { display: block; font: 400 clamp(24px, 3vw, 42px)/1.08 var(--serif); letter-spacing: .02em; text-transform: uppercase; }
.cover-placeholder span { display: block; margin-top: 20px; color: #abb5c0; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.book-card-body { padding: 28px; }
.book-card-body h2 { margin: 0 0 8px; font: 600 29px/1.2 var(--serif); }
.book-card-subtitle { margin: 0 0 20px; color: var(--muted); }
.book-card-meta { display: flex; justify-content: space-between; gap: 14px; margin: 24px 0; padding-top: 18px; border-top: 1px solid #dedad1; font-size: 13px; }
.book-card-price { font-weight: 700; color: var(--navy-800); }
.empty-catalog { padding: 44px; border: 1px dashed #2a2a2a; color: #888; }

.book-hero { padding: 76px 0 90px; color: #f7f4ed; background: linear-gradient(135deg, #0e0e0e, var(--navy-800)); }
.book-hero-grid { display: grid; grid-template-columns: minmax(300px, 460px) minmax(0, 1fr); gap: clamp(54px, 8vw, 112px); align-items: center; }
.book-cover { aspect-ratio: 2 / 3; box-shadow: 0 32px 65px rgba(0,0,0,.38); }
.book-cover .cover-placeholder { height: 100%; border: 1px solid rgba(212,189,135,.25); }
.book-author { margin: 0 0 22px; color: var(--gold-light); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; }
.book-title { max-width: 680px; margin: 0; font: 700 clamp(42px, 6vw, 76px)/1.05 var(--serif); letter-spacing: -.025em; text-transform: uppercase; }
.book-subtitle { max-width: 660px; margin: 22px 0 0; color: #d2d6db; font: 400 clamp(21px, 2.5vw, 30px)/1.25 var(--serif); }
.book-lead { max-width: 650px; margin: 30px 0 0; color: #adb7c2; font-size: 16px; }
.purchase-meta { display: flex; align-items: baseline; gap: 24px; margin: 32px 0 20px; }
.price { font: 400 36px/1 var(--serif); color: #fff; }
.formats { color: var(--gold-light); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.delivery-note { max-width: 560px; margin: 18px 0 0; color: #909daa; font-size: 13px; }
.editorial-section { padding: 96px 0; color: var(--ink); background: var(--paper); }
.editorial-section.alt { background: #e8e4dc; }
.narrow { max-width: 820px; }
.prose { font: 400 19px/1.8 var(--serif); color: #303843; }
.prose, .book-prose, .legal-prose, .article-prose {
  text-align: justify;
  text-align-last: left;
  hyphens: none;
  -webkit-hyphens: none;
  word-break: normal;
  overflow-wrap: normal;
}
.prose :is(h1, h2, h3, h4, h5, h6),
.book-prose :is(h1, h2, h3, h4, h5, h6),
.legal-prose :is(h1, h2, h3, h4, h5, h6),
.article-prose :is(h1, h2, h3, h4, h5, h6) {
  text-align: left;
  text-align-last: auto;
}
.book-prose a, .legal-prose a, .article-prose a { overflow-wrap: anywhere; }
.prose p { margin: 0 0 1.35em; }
.topics-layout { display: grid; grid-template-columns: .8fr 1.4fr; gap: 70px; align-items: start; }
.topics-list { columns: 2; column-gap: 42px; margin: 0; padding: 0; list-style: none; }
.topics-list li { break-inside: avoid; padding: 11px 0 11px 22px; border-bottom: 1px solid #d5d0c6; position: relative; }
.topics-list li::before { content: ''; position: absolute; left: 0; top: 22px; width: 7px; height: 1px; background: var(--gold); }
.key-thought { padding: 86px 0; color: #f1eee6; background: var(--navy-900); }
.key-thought blockquote { max-width: 930px; margin: 0; padding-left: 34px; border-left: 2px solid var(--gold); font: 400 clamp(27px, 4vw, 46px)/1.3 var(--serif); }
.author-grid { display: grid; grid-template-columns: 240px 1fr; gap: 50px; align-items: start; }
.author-photo { width: 240px; aspect-ratio: 4 / 5; object-fit: cover; filter: saturate(.72); }
.preview-box { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding: 35px 0; border-top: 1px solid #d2cdc3; border-bottom: 1px solid #d2cdc3; }
.preview-note { max-width: 540px; margin: -10px 0 0; color: #69717b; font: 400 16px/1.6 var(--serif); }
.preview-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; flex: 0 0 auto; }
.text-link { color: var(--gold-dark); font-weight: 600; text-underline-offset: 4px; }
.text-link:hover, .text-link:focus-visible { color: var(--ink); }
.preview-head .back-link { display: inline-block; margin-top: 26px; color: var(--gold-light); text-underline-offset: 4px; }
.preview-wrap { padding: 64px 0 100px; background: #0e0e0e; }
.preview-article { width: min(calc(100% - 48px), 82ch); margin: 0 auto; padding: clamp(34px, 6vw, 72px); color: #303843; background: var(--paper); font: 400 19px/1.8 var(--serif); box-shadow: 0 20px 55px rgba(0,0,0,.28); }
.preview-article > h1 { margin: 0 0 1em; font: 700 clamp(34px, 5vw, 52px)/1.16 var(--serif); }
.preview-article > h2 { margin: 2.1em 0 .75em; font: 700 clamp(25px, 3.4vw, 34px)/1.25 var(--serif); }
.preview-article > p { margin: 0 0 1.25em; }
.preview-article .preview-label { margin: 0 0 28px; color: var(--gold-dark); font: 700 .72rem/1.4 var(--sans); letter-spacing: .13em; text-transform: uppercase; text-align: left; }
.preview-end-cta { margin: 70px 0 28px; padding: 38px; border-top: 1px solid var(--gold); background: var(--navy-900); color: #f2eee6; text-align: left; }
.preview-end-cta h2 { margin: 0 0 10px; color: #fff; font: 400 clamp(30px, 4vw, 44px)/1.2 var(--serif); text-align: left; }
.preview-end-cta .preview-product-label { margin: 0; color: #aeb7c1; text-align: left; }
.preview-end-cta .purchase-meta { margin: 24px 0; text-align: left; }
.preview-end-cta .preview-pdf-repeat { display: block; width: fit-content; margin-top: 20px; color: var(--gold-light); text-align: left; }
.preview-rights { margin: 0; color: #6a7077; font: 400 13px/1.55 var(--sans); text-align: left; text-align-last: auto; }
.articles-wrap { padding: 64px 0 100px; background: #0e0e0e; }
.articles-grid { display: grid; gap: 22px; }
.article-card { padding: 36px; border: 1px solid rgba(197,160,89,.18); background: var(--paper); color: var(--ink); }
.article-card h2 { margin: 8px 0 14px; font: 700 clamp(27px, 3vw, 38px)/1.2 var(--serif); }
.article-card h2 a { color: inherit; text-decoration: none; }
.article-card h2 a:hover, .article-card h2 a:focus-visible { color: var(--gold-dark); }
.article-card p { max-width: 72ch; margin: 0 0 18px; font: 400 17px/1.65 var(--serif); }
.article-card-meta { display: flex; align-items: center; gap: 20px; color: #727981; font-size: 13px; }
.article-page-wrap { padding: 64px 0 100px; background: #0e0e0e; }
.article-layout { width: min(calc(100% - 48px), 82ch); margin: 0 auto; padding: clamp(34px, 6vw, 72px); background: var(--paper); color: var(--ink); }
.article-lead { margin: 0 0 40px; color: #303843; font: 400 22px/1.65 var(--serif); }
.article-prose { color: #303843; font: 400 19px/1.8 var(--serif); }
.article-prose p { margin: 0 0 1.3em; }
.article-prose ul, .article-prose ol { margin: 0 0 1.5em; padding-left: 1.35em; }
.article-prose li { margin-bottom: .55em; text-align: left; text-align-last: auto; }
.article-prose blockquote { margin: 1.7em 0; padding: 18px 0 18px 24px; border-left: 2px solid var(--gold); color: #202a35; font-style: italic; }
.article-prose h2 { margin: 2em 0 .7em; font: 700 clamp(28px, 3.5vw, 38px)/1.25 var(--serif); }
.article-prose h3 { margin: 1.7em 0 .6em; font: 700 25px/1.3 var(--serif); }
.article-related-book, .article-author-box { margin-top: 54px; padding: 30px; border-top: 1px solid var(--gold); background: #e8e4dc; }
.article-related-book h2, .article-author-box h2 { margin-top: 0; }

.page-head { padding: 68px 0 54px; border-bottom: 1px solid rgba(197,160,89,.18); color: #f5f2eb; background: #161616; }
.page-head h1 { max-width: 820px; margin: 0; font: 400 clamp(36px, 5vw, 58px)/1.07 var(--serif); }
.page-subtitle { max-width: 820px; margin: 20px 0 0; color: #aeb5bd; font: 400 20px/1.5 var(--serif); }
.checkout-wrap, .order-wrap, .legal-wrap { padding: 70px 0 100px; background: #0e0e0e; }
.checkout-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 48px; align-items: start; }
.panel { padding: 34px; border: 1px solid rgba(197,160,89,.28); border-radius: 2px; background: #f4f2ed; color: var(--ink); box-shadow: 0 10px 30px rgba(0,0,0,.24); }
.panel h2 { margin: 0 0 24px; font: 400 29px/1.2 var(--serif); }
.field { display: block; margin-bottom: 22px; font-size: 13px; font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; margin-top: 8px; padding: 12px 14px; border: 1px solid #c9c5bd; border-radius: 2px; background: #fff; color: var(--ink); }
.field input, .field select { height: 50px; }
.field textarea { min-height: 180px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(179,148,88,.35); border-color: var(--gold); }
.checkbox { display: grid; grid-template-columns: 20px 1fr; gap: 11px; margin: 18px 0; font-size: 13px; font-weight: 400; }
.checkbox input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--gold); }
.checkbox a { color: #715d34; }
.form-error { min-height: 24px; margin: 15px 0 0; color: #9c312c; font-size: 13px; }
.summary-row { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid #ddd8ce; }
.summary-row strong { text-align: right; }
.status-card { max-width: 780px; margin: 0 auto; }
.status-kicker { color: var(--gold); font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.status-title { margin: 10px 0 14px; font: 400 38px/1.12 var(--serif); }
.payment-details { margin: 28px 0; padding: 25px; background: #efede7; }
.payment-details dl { display: grid; grid-template-columns: 145px 1fr; gap: 9px 20px; margin: 0; }
.payment-details dt { color: var(--muted); }
.payment-details dd { margin: 0; font-weight: 700; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 26px; }
.legal-wrap .narrow { max-width: 840px; padding: 34px; border: 1px solid rgba(197,160,89,.28); border-radius: 2px; background: #f4f2ed; color: var(--ink); }
.todo-notice { padding: 22px; border: 1px solid var(--gold); background: #fffaf0; font-weight: 700; }
.legal-details { margin: 32px 0; border-top: 1px solid #d6d1c7; }
.legal-details div { display: grid; grid-template-columns: 170px 1fr; gap: 20px; padding: 13px 0; border-bottom: 1px solid #d6d1c7; }
.legal-details dt { color: var(--muted); }
.legal-details dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.legal-prose section { padding-top: 16px; }
.legal-prose h2 { margin: 24px 0 14px; color: var(--ink); font: 600 27px/1.25 var(--serif); }
.legal-revision { margin: 36px 0 0; color: var(--muted); font-size: 13px; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); gap: 48px; align-items: start; }
.contact-note { color: #4d5864; }
.contact-success { padding: 20px; border: 1px solid #738c72; background: #f2f7f0; color: #274229; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.site-footer { padding: 44px 0; border-top: 1px solid #2a2a2a; color: #888; background: #090909; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 30px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-nav a { color: #d3d6da; font-size: 13px; line-height: 1.5; text-decoration: none; }
.footer-nav a:hover, .footer-nav a:focus-visible { color: var(--gold); }
.footer-copy { grid-column: 1 / -1; margin: 20px 0 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; }
.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; }

@media (max-width: 900px) {
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .book-hero-grid { grid-template-columns: minmax(240px, 340px) minmax(0, 1fr); gap: 46px; }
  .topics-layout, .checkout-grid, .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .footer-inner, .section-inner { width: min(100% - 28px, var(--content)); }
  .header-inner { width: calc(100% - 30px); }
  .header-inner { min-height: 68px; }
  .main-nav a:first-child { display: none; }
  .catalog-hero { padding: 72px 0 64px; }
  .catalog { padding: 54px 0 72px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .book-hero { padding: 38px 0 68px; }
  .book-hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .book-cover { width: min(82vw, 390px); margin: 0 auto; }
  .book-title { font-size: clamp(38px, 13vw, 56px); }
  .purchase-meta { align-items: flex-start; flex-direction: column; gap: 12px; }
  .editorial-section { padding: 70px 0; }
  .topics-list { columns: 1; }
  .key-thought { padding: 62px 0; }
  .author-grid { grid-template-columns: 1fr; gap: 28px; }
  .author-photo { width: min(72vw, 270px); }
  .preview-box { align-items: flex-start; flex-direction: column; }
  .preview-article { width: min(calc(100% - 28px), 82ch); padding: 30px 22px; }
  .preview-end-cta { margin-top: 50px; padding: 28px 22px; }
  .checkout-wrap, .order-wrap, .legal-wrap { padding: 40px 0 70px; }
  .panel { padding: 24px 20px; }
  .payment-details dl { grid-template-columns: 1fr; gap: 2px; }
  .payment-details dd { margin-bottom: 11px; }
  .legal-details div { grid-template-columns: 1fr; gap: 2px; }
  .download-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-copy { grid-column: auto; }
}

@media (max-width: 640px) {
  .prose, .book-prose, .legal-prose, .article-prose {
    text-align: left;
    text-align-last: auto;
  }
  .article-layout { width: min(calc(100% - 28px), 82ch); padding: 30px 22px; }
  .article-card { padding: 28px 22px; }
}