:root {
  --color-navy: #0B1A2B;
  --color-ivory: #F4EDE0;
  --color-warm-white: #FCFAF5;
  --color-charcoal: #252729;
  --color-muted: #6B6A64;
  --color-accent: #865B3C;
  --color-cream: #E7DDCB;
  --max-width: 1180px;
  --text-width: 740px;
  --radius: 3px;
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-cover: 0 18px 50px rgba(15, 24, 34, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-charcoal);
  background: var(--color-warm-white);
  font-family: var(--sans);
  line-height: 1.7;
  font-size: 1rem;
}
img { max-width: 100%; height: auto; }
a { color: var(--color-accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid #B47A4D;
  outline-offset: 3px;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--color-ivory);
  color: var(--color-navy);
  padding: .75rem 1rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }
.site-header {
  background: var(--color-navy);
  color: var(--color-ivory);
  border-bottom: 1px solid rgba(244,237,224,.18);
}
.header-inner, .container, .footer-inner {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}
.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  color: var(--color-ivory);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  min-width: max-content;
}
.brand-logo {
  display: block;
  width: 240px;
  height: auto;
  flex: 0 0 auto;
}

.brand-name { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.desktop-nav { display: flex; align-items: center; gap: 1.3rem; }
.desktop-nav a, .language-links a {
  color: var(--color-ivory);
  text-decoration: none;
  font-size: .91rem;
}
.desktop-nav a[aria-current="page"] { border-bottom: 1px solid var(--color-ivory); }
.language-links {
  display: flex;
  gap: .5rem;
  align-items: center;
  padding-left: .3rem;
  border-left: 1px solid rgba(244,237,224,.32);
}
.mobile-nav { display: none; }
.mobile-nav summary {
  cursor: pointer;
  color: var(--color-ivory);
  list-style: none;
  border: 1px solid rgba(244,237,224,.45);
  padding: .5rem .7rem;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav-panel {
  position: absolute;
  right: 1.25rem;
  left: 1.25rem;
  top: 72px;
  z-index: 20;
  background: var(--color-navy);
  border: 1px solid rgba(244,237,224,.28);
  padding: 1rem;
  box-shadow: 0 18px 35px rgba(0,0,0,.18);
}
.mobile-nav-panel a {
  display: block;
  padding: .62rem 0;
  color: var(--color-ivory);
  text-decoration: none;
}
.mobile-language { display: flex; gap: .75rem; margin-top: .5rem; padding-top: .75rem; border-top: 1px solid rgba(244,237,224,.2); }

main { min-height: 60vh; }
.hero {
  background: var(--color-navy);
  color: var(--color-ivory);
  padding: clamp(4rem, 9vw, 8rem) 0;
}
.hero-grid, .split, .book-entry, .author-grid, .footer-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero-grid { grid-template-columns: minmax(0, 1.2fr) minmax(250px, .8fr); }
.split, .book-entry, .author-grid { grid-template-columns: minmax(250px, .82fr) minmax(0, 1.18fr); }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 650;
  color: var(--color-accent);
}
.hero .eyebrow { color: #D6B38F; }
h1, h2, h3 {
  font-family: var(--serif);
  line-height: 1.12;
  font-weight: 500;
  margin-top: 0;
}
h1 { font-size: clamp(2.45rem, 5.6vw, 5.1rem); margin-bottom: 1.25rem; }
.page-hero h1 { font-size: clamp(2.3rem, 4.4vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.8rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
.lead {
  font-size: clamp(1.12rem, 1.6vw, 1.32rem);
  line-height: 1.65;
  max-width: 700px;
}
.hero .lead { color: #EEE8DC; }
.book-title-display { font-size: clamp(2rem, 4vw, 3.65rem); }
.subtitle {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.35;
  margin-bottom: .8rem;
}
.byline { color: var(--color-muted); margin-bottom: 1.5rem; }
.hero .byline { color: #D6D0C3; }
.section {
  padding: clamp(3.75rem, 8vw, 7.5rem) 0;
}
.section-cream { background: #F3EDDF; }
.section-navy { background: var(--color-navy); color: var(--color-ivory); }
.section-navy a { color: var(--color-ivory); }
.text-column { max-width: var(--text-width); }
.centered { margin-inline: auto; text-align: center; }
.copy p:last-child { margin-bottom: 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.75rem; }
.button {
  display: inline-block;
  text-decoration: none;
  background: var(--color-navy);
  color: var(--color-ivory);
  padding: .78rem 1.1rem;
  border: 1px solid var(--color-navy);
  border-radius: var(--radius);
  font-weight: 650;
  line-height: 1.2;
}
.hero .button, .section-navy .button {
  background: var(--color-ivory);
  color: var(--color-navy);
  border-color: var(--color-ivory);
}
.button-secondary {
  display: inline-block;
  padding: .74rem 0;
  font-weight: 650;
}
.book-cover {
  display: block;
  width: min(100%, 330px);
  height: auto;
  margin-inline: auto;
  filter: drop-shadow(0 1.5rem 2rem rgba(0, 0, 0, .24));
}
.author-portrait-frame {
  width: min(100%, 360px);
  margin-inline: auto;
}
.author-portrait {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid rgba(244, 237, 224, .3);
  border-radius: var(--radius);
  box-shadow: 0 1.5rem 3.5rem rgba(0, 0, 0, .28);
}
.rule {
  width: 64px; height: 1px; background: var(--color-accent); margin: 1.4rem 0;
}
.question-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: #D9CFBD;
  border: 1px solid #D9CFBD;
}
.question-list li {
  background: var(--color-warm-white);
  padding: 1.5rem;
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.5;
}
.simple-list { padding-left: 1.2rem; }
.simple-list li { margin-bottom: .7rem; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2.5rem;
  margin-top: 2rem;
}
.contact-card { border-top: 1px solid #D5C9B8; padding-top: 1.2rem; }
.site-footer {
  background: var(--color-navy);
  color: #DED7CA;
  padding: 4rem 0 2rem;
}
.footer-grid {
  grid-template-columns: 1.4fr .8fr .8fr;
  align-items: start;
}
.site-footer h2, .site-footer h3 { color: var(--color-ivory); }
.site-footer a { color: var(--color-ivory); }
.footer-nav a { display: block; margin-bottom: .45rem; }
.footer-bottom {
  border-top: 1px solid rgba(244,237,224,.18);
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  font-size: .85rem;
  color: #BEB7AB;
}
.muted { color: var(--color-muted); }
.hero .muted, .section-navy .muted { color: #CAC3B7; }
.page-hero { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.page-intro { max-width: 820px; }
.catalogue-book { padding-top: 1rem; }
.inline-meta { font-size: .92rem; color: var(--color-muted); }

@media (max-width: 920px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; position: relative; }
  .hero-grid, .split, .book-entry, .author-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-grid .book-cover { max-width: 280px; }
  .question-list { grid-template-columns: 1fr; }
  .footer-grid { gap: 2rem; }
}
@media (max-width: 640px) {
  .brand-logo { width: 220px; }
  .header-inner, .container, .footer-inner { width: min(calc(100% - 2.25rem), var(--max-width)); }
  .brand-name { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
  
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 3.8rem 0; }
  .hero { padding: 4rem 0; }
  h1 { font-size: clamp(2.35rem, 13vw, 3.8rem); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}



.footer-logo {
  display: block;
  width: min(100%, 360px);
  height: auto;
  margin-bottom: 1.2rem;
}
.footer-grid > div:first-child > p {
  width: min(100%, 360px);
  text-align: center;
}

/* Logo System — approved working rules: full lockup >=320px, compact >=220px. */
.logo-system-note { display:none; }


/* v0.9 audiobook module */
.audiobook-grid{
  display:grid;
  grid-template-columns:minmax(220px, 320px) minmax(0, 1fr);
  gap:clamp(2rem, 5vw, 5rem);
  align-items:center;
}
.audiobook-art img{
  display:block;
  width:100%;
  height:auto;
  border-radius:0.35rem;
  box-shadow:0 18px 46px rgba(11,26,43,.16);
}
.audiobook-copy{max-width:720px;}
.audio-player-card{
  margin-top:1.5rem;
  padding:1.1rem 1.2rem 1.2rem;
  border:1px solid rgba(11,26,43,.16);
  background:rgba(255,255,255,.52);
  border-radius:.45rem;
}
.audio-label{
  margin:0 0 .7rem;
  font-weight:600;
}
.audio-player-card audio{
  display:block;
  width:100%;
}
.small-note{
  margin-top:1rem;
  font-size:.94rem;
  opacity:.8;
}
.featured-audio-link{
  margin-top:.8rem;
}
@media (max-width:760px){
  .audiobook-grid{
    grid-template-columns:1fr;
    gap:1.75rem;
  }
  .audiobook-art{
    max-width:280px;
  }
}


/* v1.0 AI disclosure and provenance pages */
.ai-hero .text-column{max-width:840px;}
.ai-statement{max-width:820px;}
.ai-statement h2{margin-top:2.5rem;}
.record-link{margin:1.6rem 0 2.2rem;}
.transparency-note .text-column{max-width:820px;}

.provenance-layout{
  display:grid;
  grid-template-columns:minmax(220px, 300px) minmax(0, 780px);
  gap:clamp(2rem, 5vw, 5rem);
  align-items:start;
}
.provenance-toc{
  position:sticky;
  top:6rem;
  max-height:calc(100vh - 7rem);
  overflow:auto;
  padding-right:1rem;
}
.provenance-toc ol{
  margin:0;
  padding-left:1.25rem;
}
.provenance-toc li{
  margin:.3rem 0;
  font-size:.88rem;
  line-height:1.35;
}
.provenance-toc a{
  text-decoration:none;
}
.provenance-toc a:hover,
.provenance-toc a:focus{
  text-decoration:underline;
}
.provenance-record{
  min-width:0;
}
.provenance-record h2{
  margin-top:0;
  padding-top:1.25rem;
  border-top:1px solid rgba(11,26,43,.16);
}
.provenance-record h2 + p{margin-top:1rem;}
.provenance-record h3{
  margin-top:2.35rem;
}
.provenance-record h4{
  margin-top:1.6rem;
  font-size:1rem;
  letter-spacing:.03em;
  text-transform:none;
}
.provenance-record p,
.provenance-record li{
  line-height:1.7;
}
.provenance-record .record-list{
  margin:1rem 0 1.35rem;
  padding-left:1.5rem;
}
.provenance-record .record-label{
  margin-top:1.35rem;
  font-weight:700;
  letter-spacing:.025em;
}
.provenance-record h2[id],
.provenance-record h3[id],
.provenance-record h4[id]{
  scroll-margin-top:6rem;
}
@media (max-width:980px){
  .provenance-layout{
    grid-template-columns:1fr;
  }
  .provenance-toc{
    position:static;
    max-height:none;
    border-bottom:1px solid rgba(11,26,43,.16);
    padding:0 0 1.5rem;
  }
}


/* v1.1 verification request */
.verification-cta,
.access-notice,
.form-status-note{
  border:1px solid rgba(11,26,43,.18);
  background:rgba(244,237,224,.58);
  padding:clamp(1.2rem, 2.6vw, 2rem);
  border-radius:10px;
}
.verification-cta{
  margin:2.5rem 0;
}
.access-notice{
  margin-bottom:2.5rem;
}
.policy-links{
  line-height:1.9;
}
.verification-form{
  display:grid;
  gap:2rem;
}
.verification-form fieldset{
  border:0;
  padding:0;
  margin:0;
  display:grid;
  gap:.85rem;
}
.verification-form legend{
  font-size:1.35rem;
  font-weight:700;
  margin-bottom:.75rem;
}
.verification-form label{
  font-weight:600;
}
.verification-form input[type="text"],
.verification-form input[type="email"],
.verification-form select,
.verification-form textarea{
  width:100%;
  box-sizing:border-box;
  border:1px solid rgba(11,26,43,.28);
  background:#fff;
  color:#0B1A2B;
  padding:.82rem .9rem;
  border-radius:6px;
  font:inherit;
}
.verification-form textarea{
  resize:vertical;
}
.verification-form input:focus,
.verification-form select:focus,
.verification-form textarea:focus{
  outline:2px solid currentColor;
  outline-offset:2px;
}
.checkbox-row{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:.7rem;
  align-items:start;
  font-weight:400 !important;
}
.checkbox-row input{
  margin-top:.28rem;
}
.form-status-note{
  font-size:.96rem;
}
.back-link{
  margin-top:2.25rem;
}


/* v1.2 Level 2 canonical + Level 3 provenance map */
.ai-further-documentation .text-column{
  max-width:820px;
}
.ai-verification-pointer{
  margin-top:1.4rem;
  font-size:.96rem;
}
.provenance-map-section .container{
  max-width:1180px;
}
.provenance-map-section .lead{
  max-width:820px;
}
.provenance-map-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1.25rem;
  margin-top:2rem;
}
.provenance-map-card{
  border:1px solid rgba(11,26,43,.16);
  background:#fff;
  border-radius:10px;
  padding:1.35rem 1.45rem;
}
.provenance-map-card h3{
  margin-top:0;
}
.provenance-map-card ul{
  margin-bottom:0;
  padding-left:1.2rem;
}
.provenance-map-card li{
  margin:.4rem 0;
}
.provenance-map-note{
  margin-top:1.3rem;
  font-size:.94rem;
}
.provenance-map-jump{
  margin-top:1.1rem;
}
@media (max-width:760px){
  .provenance-map-grid{
    grid-template-columns:1fr;
  }
}


/* v1.3 disclosure architecture */
.evidentiary-note{
  margin-top:1.4rem;
  padding:1rem 1.15rem;
  border-left:3px solid currentColor;
  background:rgba(255,255,255,.55);
}
.section-step-nav{
  display:flex;
  flex-wrap:wrap;
  gap:.85rem 1.15rem;
  align-items:center;
  margin:.4rem 0 1.35rem;
  padding-bottom:.8rem;
  border-bottom:1px solid rgba(11,26,43,.12);
  font-size:.88rem;
}
.provenance-record-fr h2{
  margin-top:2.7rem;
  scroll-margin-top:6rem;
}


/* v1.5.2 contact presentation hotfix */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.contact-card {
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid rgba(11,26,43,.16);
  border-radius: .5rem;
  background: rgba(255,255,255,.35);
}
.contact-card h2 {
  margin-top: 0;
}
.contact-email {
  display: inline-block;
  overflow-wrap: anywhere;
  word-break: normal;
}
@media (max-width: 960px) {
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}