:root {
  --ink: #07132f;
  --ink-2: #0c1b3e;
  --paper: #f7f4ec;
  --paper-2: #eee9dc;
  --gold: #d9b955;
  --gold-soft: #f1dda1;
  --text: #18213a;
  --muted: #666b78;
  --line: rgba(7, 19, 47, .18);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 20; background: var(--gold); color: var(--ink); padding: .75rem 1rem; }
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 19, 47, .96);
  color: white;
  border-bottom: 1px solid rgba(217, 185, 85, .45);
  backdrop-filter: blur(14px);
}
.header-inner { max-width: 1240px; min-height: 74px; margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; font-size: .78rem; font-weight: 750; letter-spacing: .16em; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--gold); color: var(--gold); font-family: var(--serif); font-size: .95rem; letter-spacing: -.04em; }
.main-nav { display: flex; align-items: center; gap: 1.7rem; }
.main-nav a { color: rgba(255,255,255,.82); font-size: .88rem; text-decoration: none; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--gold-soft); }
.main-nav .nav-buy { padding: .42rem .75rem; border: 1px solid var(--gold); background: var(--gold); color: var(--ink); font-weight: 750; }
.main-nav .nav-buy:hover, .main-nav .nav-buy:focus-visible { color: var(--ink); background: var(--gold-soft); }
.main-nav .language-switch { min-width: 2.5rem; padding: .3rem .55rem; border: 1px solid rgba(217,185,85,.62); color: var(--gold-soft); font-weight: 750; letter-spacing: .08em; text-align: center; }
.menu-button { display: none; border: 1px solid rgba(255,255,255,.3); background: transparent; color: white; padding: .55rem .8rem; font: inherit; }

.hero {
  min-height: calc(100vh - 74px);
  background:
    linear-gradient(90deg, rgba(217,185,85,.08) 1px, transparent 1px) 0 0 / 92px 92px,
    radial-gradient(circle at 70% 35%, rgba(54,78,133,.48), transparent 35%),
    var(--ink);
  color: white;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .7fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 8rem);
  padding: clamp(4rem, 8vw, 8rem) max(2rem, calc((100vw - 1240px) / 2));
  overflow: hidden;
}
.hero-copy { max-width: 760px; }
.eyebrow { margin: 0 0 1.2rem; color: var(--gold); text-transform: uppercase; letter-spacing: .2em; font-size: .78rem; font-weight: 750; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.08; }
h1 { max-width: 800px; margin: 0; font-size: clamp(3.2rem, 7vw, 6.8rem); letter-spacing: -.045em; text-wrap: balance; }
.hero-subtitle { margin: 1.2rem 0 0; color: var(--gold-soft); font-family: var(--serif); font-size: clamp(1.4rem, 2.7vw, 2.35rem); font-style: italic; }
.hero-intro { max-width: 670px; margin: 2rem 0; color: rgba(255,255,255,.78); font-size: clamp(1.05rem, 1.6vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-block; padding: .85rem 1.2rem; border: 1px solid var(--gold); font-size: .88rem; font-weight: 750; letter-spacing: .04em; text-decoration: none; }
.button-primary { background: var(--gold); color: var(--ink); }
.button-secondary { color: white; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.amazon-cta { box-shadow: 0 10px 30px rgba(217,185,85,.16); }
.status { display: flex; align-items: center; gap: .6rem; margin: 2rem 0 0; color: rgba(255,255,255,.58); font-size: .83rem; }
.status span { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 5px rgba(217,185,85,.12); }
.cover-wrap { margin: 0; width: min(100%, 430px); justify-self: end; position: relative; }
.cover-wrap::before { content: ""; position: absolute; inset: -24px 24px 24px -24px; border: 1px solid rgba(217,185,85,.45); }
.cover-wrap img { position: relative; width: 100%; box-shadow: 0 32px 80px rgba(0,0,0,.52); }

.manifesto { background: var(--gold); color: var(--ink); padding: clamp(3rem, 6vw, 5.6rem) 2rem; }
.manifesto p { max-width: 1100px; margin: 0 auto; font-family: var(--serif); font-size: clamp(1.7rem, 3.5vw, 3.2rem); line-height: 1.25; text-align: center; }

.ideas-section { max-width: none; background: #fffdf7; }
.ideas-section .section-heading { max-width: 1180px; }
.quote-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.quote-grid blockquote { margin: 0; padding: 2.2rem 2rem 2rem; border-right: 1px solid var(--line); position: relative; }
.quote-grid blockquote:first-child { border-left: 1px solid var(--line); }
.quote-grid blockquote::before { content: "“"; display: block; height: 2.6rem; color: var(--gold); font-family: var(--serif); font-size: 4rem; line-height: 1; }
.quote-grid blockquote p { min-height: 9rem; margin: 1.1rem 0 2rem; color: var(--ink); font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.7rem); line-height: 1.45; }
.quote-grid cite { color: var(--muted); font-size: .75rem; font-style: normal; letter-spacing: .1em; text-transform: uppercase; }

.section { max-width: 1240px; margin: 0 auto; padding: clamp(5rem, 10vw, 9rem) 2rem; }
.split { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(3rem, 9vw, 9rem); }
.section-number { margin: 0 0 1rem; color: #96791b; font-family: var(--serif); font-size: 1rem; letter-spacing: .14em; }
h2 { margin: 0 0 1.5rem; color: var(--ink); font-size: clamp(2.4rem, 5vw, 4.6rem); letter-spacing: -.035em; text-wrap: balance; }
.prose { max-width: 720px; font-size: 1.08rem; }
.prose p:first-child { margin-top: 0; }
.book-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 3rem 0 0; background: var(--line); border: 1px solid var(--line); }
.book-facts div { background: var(--paper); padding: 1.2rem; }
.book-facts dt { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; }
.book-facts dd { margin: .35rem 0 0; color: var(--ink); font-family: var(--serif); }

.thesis-section { max-width: none; background: var(--paper-2); }
.section-heading { max-width: 1180px; margin: 0 auto 3.5rem; }
.section-heading > p:last-child { max-width: 700px; font-size: 1.08rem; }
.thesis-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.thesis-grid article { min-height: 260px; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.thesis-grid span { color: #96791b; font-size: .78rem; letter-spacing: .12em; }
.thesis-grid h3 { margin: 2.2rem 0 .8rem; color: var(--ink); font-size: 1.65rem; }
.thesis-grid p { margin: 0; color: var(--muted); }

.letter-section { background: var(--ink); color: white; padding: clamp(5rem, 10vw, 9rem) max(2rem, calc((100vw - 1240px) / 2)); display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(3rem, 9vw, 9rem); }
.letter-section h2 { color: white; }
.letter-heading .eyebrow { margin-top: 1.5rem; }
.letter-copy { max-width: 720px; color: rgba(255,255,255,.76); font-family: var(--serif); font-size: clamp(1.08rem, 1.6vw, 1.28rem); line-height: 1.82; }
.letter-copy p:first-child { margin-top: 0; }
.letter-principle { margin-top: 2.5rem; padding: 1.5rem 0 1.5rem 1.5rem; border-left: 3px solid var(--gold); color: var(--gold-soft); font-size: clamp(1.35rem, 2.2vw, 1.85rem); line-height: 1.45; }

.excerpt-section { display: grid; grid-template-columns: .35fr 1fr; gap: clamp(2rem, 7vw, 8rem); }
.excerpt-kicker > p:last-child { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .14em; }
.excerpt { max-width: 800px; position: relative; padding-left: clamp(1.4rem, 3vw, 3rem); border-left: 3px solid var(--gold); }
.excerpt h2 { font-size: clamp(2.2rem, 4vw, 3.8rem); }
.excerpt p { color: #343b4c; font-family: var(--serif); font-size: clamp(1.08rem, 1.5vw, 1.24rem); line-height: 1.85; }

.author-section { display: grid; grid-template-columns: .55fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; border-top: 1px solid var(--line); }
.author-monogram { width: min(100%, 380px); aspect-ratio: 1; display: grid; place-items: center; background: var(--ink); color: var(--gold); border: 1px solid var(--gold); outline: 1px solid var(--gold); outline-offset: -18px; font-family: var(--serif); font-size: clamp(4rem, 10vw, 8rem); }

.publications-section { max-width: none; background: #fffdf7; }
.publication-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.publication-grid article { padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.publication-state { margin: 0 0 2.4rem; color: #96791b; font-size: .74rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.publication-grid h3 { min-height: 3.6rem; margin: 0 0 1rem; color: var(--ink); font-size: 1.7rem; }
.publication-grid article > p:not(.publication-state) { min-height: 7.5rem; color: var(--muted); }
.publication-grid dl { margin: 2rem 0 0; border-top: 1px solid var(--line); }
.publication-grid dl div { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.publication-grid dt { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.publication-grid dd { margin: 0; color: var(--ink); font-family: var(--serif); text-align: right; }
.publication-grid .publication-actions { min-height: 0; margin: 1.5rem 0 0; }
.publication-button { width: 100%; background: var(--ink); color: var(--gold-soft); text-align: center; }

.reader-section { background: var(--ink); color: white; padding: clamp(5rem, 9vw, 8rem) max(2rem, calc((100vw - 1240px) / 2)); display: grid; grid-template-columns: 1fr .72fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.reader-section h2 { color: white; }
.reader-section > div:first-child > p:last-child { max-width: 690px; color: rgba(255,255,255,.68); font-size: 1.08rem; }
.reader-card { padding: 2rem; border: 1px solid rgba(217,185,85,.55); background: rgba(255,255,255,.035); }
.reader-card strong { color: var(--gold-soft); }
.email-address { overflow-wrap: normal; word-break: normal; }
.reader-card a { text-decoration-color: rgba(241,221,161,.55); text-underline-offset: .2em; }
.reader-card p:last-child { color: rgba(255,255,255,.62); }
.reader-label { color: var(--gold); text-transform: uppercase; letter-spacing: .16em; font-size: .75rem; }

footer { background: #030a1c; color: rgba(255,255,255,.56); display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding: 2rem max(2rem, calc((100vw - 1240px) / 2)); font-size: .78rem; }
.footer-brand { color: white; }

@media (max-width: 900px) {
  .header-inner { min-height: 66px; padding: 0 1.2rem; }
  .menu-button { display: block; }
  .main-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; padding: 1rem; background: var(--ink); border-bottom: 1px solid rgba(217,185,85,.35); flex-direction: column; align-items: stretch; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: .55rem .2rem; }
  .main-nav .language-switch { align-self: flex-start; padding: .45rem .7rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 4rem 1.4rem 5rem; }
  .cover-wrap { width: min(78vw, 390px); justify-self: center; }
  .split, .letter-section, .excerpt-section, .author-section, .reader-section { grid-template-columns: 1fr; }
  .thesis-grid { grid-template-columns: repeat(2, 1fr); }
  .publication-grid { grid-template-columns: 1fr; }
  .publication-grid h3, .publication-grid article > p:not(.publication-state) { min-height: auto; }
  .quote-grid { grid-template-columns: 1fr; border-left: 1px solid var(--line); }
  .quote-grid blockquote { border-bottom: 1px solid var(--line); }
  .quote-grid blockquote:first-child { border-left: 0; }
  .quote-grid blockquote p { min-height: auto; }
}

@media (max-width: 560px) {
  h1 { font-size: clamp(2.8rem, 14vw, 4rem); }
  .brand { letter-spacing: .1em; }
  .section { padding-left: 1.25rem; padding-right: 1.25rem; }
  .book-facts, .thesis-grid { grid-template-columns: 1fr; }
  .thesis-grid article { min-height: auto; }
  .reader-section { padding-left: 1.25rem; padding-right: 1.25rem; }
  .reader-card { padding: 1.4rem; }
  .email-address { font-size: .92rem; }
  footer { align-items: flex-start; flex-direction: column; padding-left: 1.25rem; padding-right: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}