:root {
  --ink: #080b10;
  --paper: #e7dfcb;
  --muted: #aba48f;
  --gold: #c6a15b;
  --gold-bright: #edca79;
  --blue: #203e5c;
  --panel: rgba(15, 20, 28, .86);
  --line: rgba(198, 161, 91, .34);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 76% 18%, rgba(149, 99, 33, .18), transparent 30rem),
    radial-gradient(circle at 12% 50%, rgba(28, 65, 99, .22), transparent 34rem),
    linear-gradient(135deg, #070a0e 0%, #0b1017 48%, #100c08 100%);
  font-family: "Libre Baskerville", Georgia, serif;
  line-height: 1.7;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-radial-gradient(circle at 50% 20%, transparent 0 32px, rgba(198,161,91,.028) 33px 34px);
  z-index: -1;
}

.film-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  z-index: 10;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.24'/%3E%3C/svg%3E");
}

a { color: inherit; }

.site-header {
  max-width: 1240px;
  margin: auto;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  text-decoration: none;
  font-family: "Cinzel", serif;
  letter-spacing: .13em;
  line-height: 1;
}

.brand-small { display: block; font-size: .68rem; color: var(--gold); }
.brand-large { display: block; font-weight: 800; font-size: 1.08rem; margin-top: 5px; }

nav { display: flex; gap: 25px; font-family: "IBM Plex Mono", monospace; font-size: .78rem; text-transform: uppercase; }
nav a { text-decoration: none; color: var(--muted); padding: 8px 0; border-bottom: 1px solid transparent; }
nav a:hover, nav a.active { color: var(--gold-bright); border-color: var(--gold); }

main { overflow: hidden; }

.hero {
  max-width: 1240px;
  min-height: 710px;
  margin: auto;
  padding: 84px 32px 95px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .72fr);
  gap: 90px;
  align-items: center;
}

.eyebrow, .section-label {
  font-family: "IBM Plex Mono", monospace;
  color: var(--gold);
  font-size: .76rem;
  letter-spacing: .18em;
  font-weight: 600;
  margin: 0 0 18px;
}

h1, h2, h3 {
  font-family: "Cinzel", serif;
  line-height: 1.08;
  margin-top: 0;
}

h1 {
  font-size: clamp(3.1rem, 7vw, 6.8rem);
  margin-bottom: 12px;
  letter-spacing: -.04em;
  text-shadow: 0 8px 28px rgba(0,0,0,.55);
}

h1 span {
  display: block;
  font-size: .52em;
  color: var(--gold-bright);
  letter-spacing: .12em;
}

h2 { font-size: clamp(2rem, 4.5vw, 4.1rem); margin-bottom: 0; }
h3 { font-size: 1.35rem; color: var(--gold-bright); }

.byline {
  margin: 0 0 30px;
  color: var(--muted);
  font-style: italic;
}

.lead {
  max-width: 650px;
  font-size: 1.13rem;
  color: #d3cbb9;
  margin-bottom: 32px;
}

.actions { display: flex; flex-wrap: wrap; gap: 13px; margin-bottom: 38px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 20px;
  border: 1px solid var(--gold);
  text-decoration: none;
  text-transform: uppercase;
  font-family: "IBM Plex Mono", monospace;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .08em;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--gold); color: #111; }
.button.primary:hover { background: var(--gold-bright); }
.button.secondary { color: var(--paper); background: rgba(0,0,0,.15); }
.button.light { background: var(--paper); color: #111; border-color: var(--paper); }

.book-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 38px;
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.book-facts div { min-width: 120px; }
.book-facts dt {
  font-family: "IBM Plex Mono", monospace;
  color: var(--muted);
  text-transform: uppercase;
  font-size: .67rem;
  letter-spacing: .12em;
}
.book-facts dd { margin: 4px 0 0; font-size: .9rem; }

.cover-wrap {
  position: relative;
  margin: 0;
  justify-self: center;
  width: min(100%, 390px);
  transform: rotate(1.5deg);
}

.cover-wrap img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(237,202,121,.55);
  box-shadow: 0 35px 80px rgba(0,0,0,.72), 0 0 0 8px rgba(255,255,255,.02);
  position: relative;
  z-index: 2;
}

.cover-glow {
  position: absolute;
  inset: 8% -12% -6%;
  background: radial-gradient(ellipse, rgba(198,161,91,.26), transparent 64%);
  filter: blur(22px);
}

.section {
  max-width: 1240px;
  margin: auto;
  padding: 100px 32px;
  border-top: 1px solid var(--line);
}

.two-column, .author-section {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 80px;
}

.body-copy { max-width: 680px; color: #cfc7b4; }
.body-copy p:first-child { margin-top: 0; }
.body-copy p { margin-bottom: 1.35em; }

.themes h2 { max-width: 800px; margin-bottom: 54px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card-grid article {
  min-height: 255px;
  padding: 30px;
  background: linear-gradient(145deg, rgba(25,31,40,.9), rgba(11,15,21,.8));
  border: 1px solid var(--line);
  position: relative;
}

.card-grid article > span {
  font-family: "IBM Plex Mono", monospace;
  color: var(--gold);
  font-size: .75rem;
}
.card-grid h3 { margin-top: 48px; }
.card-grid p { color: var(--muted); font-size: .94rem; }

.casefiles-callout {
  max-width: 1176px;
  margin: 15px auto 100px;
  padding: 50px;
  background:
    linear-gradient(90deg, rgba(20,48,73,.93), rgba(13,20,30,.94)),
    radial-gradient(circle, rgba(255,255,255,.1), transparent);
  border: 1px solid rgba(91,145,190,.5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 45px;
}

.casefiles-callout h2 { font-size: clamp(2rem, 4vw, 3.45rem); margin-bottom: 15px; }
.casefiles-callout p:not(.section-label) { max-width: 700px; color: #c8d3df; margin-bottom: 0; }

.purchase-strip {
  padding: 38px max(32px, calc((100vw - 1176px) / 2));
  background: var(--gold);
  color: #111;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
}

.purchase-strip span {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: .72rem;
  letter-spacing: .15em;
}
.purchase-strip strong { font-family: "Cinzel", serif; font-size: clamp(1.4rem, 3vw, 2.3rem); }

footer {
  max-width: 1240px;
  margin: auto;
  padding: 32px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-family: "IBM Plex Mono", monospace;
  font-size: .72rem;
}
footer p { margin: 0; }

@media (max-width: 850px) {
  .site-header { padding: 20px; }
  nav a:not(.active) { display: none; }
  .hero {
    grid-template-columns: 1fr;
    gap: 60px;
    padding: 65px 22px 75px;
  }
  .hero-copy { order: 1; }
  .cover-wrap { order: 2; width: min(88vw, 380px); }
  .section { padding: 75px 22px; }
  .two-column, .author-section { grid-template-columns: 1fr; gap: 35px; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid article { min-height: 0; }
  .card-grid h3 { margin-top: 30px; }
  .casefiles-callout { margin: 0 22px 75px; padding: 35px 25px; flex-direction: column; align-items: flex-start; }
  .purchase-strip { flex-direction: column; align-items: flex-start; padding: 35px 22px; }
  footer { padding: 28px 22px; flex-direction: column; }
}

@media (max-width: 520px) {
  h1 { font-size: 3rem; }
  .actions .button { width: 100%; }
  .book-facts { display: grid; grid-template-columns: 1fr 1fr; }
}