:root {
  color-scheme: dark;
  --ink: #0b0c0a;
  --charcoal: #151713;
  --ash: #2b2d28;
  --ash-soft: #3a3c35;
  --bone: #eee5d2;
  --bone-soft: #d4c9b3;
  --smoke: #aaa89f;
  --ember: #c56b2d;
  --ember-bright: #e49352;
  --blood: #7b2e29;
  --grass: #8f7b43;
  --winter: #84929b;
  --focus: #f2b06e;
  --max: 74rem;
  --narrow: 48rem;
  --radius: 0.35rem;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 82% 0%, rgba(197, 107, 45, 0.11), transparent 28rem),
    linear-gradient(180deg, #0b0c0a 0%, #11130f 42%, #0b0c0a 100%);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; }
a { color: var(--bone); text-underline-offset: 0.22em; }
a:hover { color: var(--ember-bright); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -10rem;
  z-index: 100;
  padding: .7rem 1rem;
  background: var(--bone);
  color: var(--ink);
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(11, 12, 10, 0.9);
  border-bottom: 1px solid rgba(238, 229, 210, 0.12);
  backdrop-filter: blur(14px);
}
.header-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: .85rem;
  font-weight: 800;
}
.brand-mark {
  width: 1.8rem;
  aspect-ratio: 1;
  border: 1px solid rgba(238, 229, 210, .6);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  letter-spacing: 0;
  color: var(--ember-bright);
}
.nav-toggle {
  border: 1px solid rgba(238, 229, 210, .3);
  background: transparent;
  color: var(--bone);
  border-radius: var(--radius);
  padding: .55rem .7rem;
}
.site-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  display: none;
  background: #0b0c0a;
  border-bottom: 1px solid rgba(238, 229, 210, .12);
}
.site-nav.is-open { display: block; }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 1rem;
  display: grid;
  gap: .25rem;
}
.site-nav a {
  display: block;
  padding: .7rem .8rem;
  text-decoration: none;
  color: var(--bone-soft);
}
.site-nav a[aria-current='page'], .site-nav a:hover {
  color: var(--bone);
  background: rgba(238, 229, 210, .06);
}

main { min-height: 65vh; }
.container { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
.narrow { width: min(var(--narrow), calc(100% - 2rem)); margin: 0 auto; }
.section { padding: 4.5rem 0; }
.section--tight { padding: 3rem 0; }
.section--line { border-top: 1px solid rgba(238, 229, 210, .11); }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--ember-bright);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.05;
  text-wrap: balance;
}
h1 { font-size: clamp(2.7rem, 11vw, 6.7rem); margin: 0; letter-spacing: -.035em; }
h2 { font-size: clamp(2rem, 7vw, 4rem); margin: 0 0 1.3rem; }
h3 { font-size: clamp(1.35rem, 4vw, 2rem); margin: 0 0 .8rem; }
p { margin: 0 0 1.2rem; }
.lead { font-size: clamp(1.1rem, 2.5vw, 1.42rem); color: var(--bone-soft); max-width: 43rem; }
.muted { color: var(--smoke); }
.small { font-size: .9rem; }
.prose { max-width: 46rem; }
.prose h2 { margin-top: 3rem; }
.prose h3 { margin-top: 2.2rem; }
.prose ul { padding-left: 1.2rem; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: min(51rem, calc(100svh - 4.5rem));
  display: grid;
  align-items: end;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(11,12,10,.98) 0%, rgba(11,12,10,.82) 44%, rgba(11,12,10,.25) 100%),
    linear-gradient(0deg, #0b0c0a 0%, transparent 40%),
    url('/assets/images/ABTH_cover_website.jpg') center 36% / cover no-repeat,
    radial-gradient(circle at 75% 35%, rgba(197,107,45,.3), transparent 24rem),
    linear-gradient(130deg, #26291f, #0b0c0a 65%);
}
.hero::after {
  content: '';
  position: absolute;
  z-index: -1;
  left: -10%;
  right: -10%;
  bottom: 13%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(238,229,210,.55), transparent);
  transform: rotate(-3deg);
  box-shadow: 0 0 45px rgba(197,107,45,.2);
}
.hero-inner { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; padding: 5rem 0 6rem; }
.hero-copy { max-width: 48rem; }
.hero .series-title { text-transform: uppercase; }
.hero-tagline {
  margin: 1.2rem 0 0;
  font-family: var(--font-display);
  color: var(--bone-soft);
  font-size: clamp(1.25rem, 3vw, 2rem);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: .78rem 1.15rem;
  border: 1px solid var(--ember);
  border-radius: var(--radius);
  background: var(--ember);
  color: #130d08;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .02em;
}
.button:hover { background: var(--ember-bright); color: #130d08; }
.button--ghost { background: transparent; color: var(--bone); border-color: rgba(238,229,210,.45); }
.button--ghost:hover { background: rgba(238,229,210,.08); color: var(--bone); }
.button[hidden] { display: none; }

.grid-2 { display: grid; gap: 2rem; }
.grid-3 { display: grid; gap: 1rem; }
.split { display: grid; gap: 2rem; align-items: center; }

.book-cover {
  min-height: 34rem;
  aspect-ratio: 5 / 8;
  max-width: 24rem;
  margin-inline: auto;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(238,229,210,.2);
  box-shadow: var(--shadow);
  background:
    linear-gradient(180deg, rgba(11,12,10,.2), rgba(11,12,10,.82)),
    url('/assets/images/ABTH_cover_website.jpg') center / cover no-repeat,
    radial-gradient(circle at 65% 28%, rgba(228,147,82,.35), transparent 15rem),
    linear-gradient(145deg, #6d684e, #1b1c17 55%, #0b0c0a);
}
.book-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.03), inset 18px 0 32px rgba(0,0,0,.2);
  pointer-events: none;
}
.cover-fallback {
  display: none;
  position: absolute;
  inset: auto 1.2rem 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(238,229,210,.45);
  text-shadow: 0 2px 12px #000;
}
.cover-fallback strong { display: block; font-family: var(--font-display); font-size: 2rem; line-height: 1; }
.cover-fallback span { display: block; margin-top: .45rem; color: var(--bone-soft); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; }

.card {
  border: 1px solid rgba(238,229,210,.13);
  background: linear-gradient(160deg, rgba(238,229,210,.055), rgba(238,229,210,.015));
  padding: 1.35rem;
  border-radius: var(--radius);
}
.card--book { min-height: 18rem; display: flex; flex-direction: column; }
.card--book .status { margin-top: auto; padding-top: 1.5rem; }
.book-number { color: var(--ember-bright); font-weight: 800; font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; }
.status {
  color: var(--bone-soft);
  font-size: .84rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.quote-band {
  padding: 4rem 0;
  background: linear-gradient(90deg, rgba(123,46,41,.32), rgba(197,107,45,.1));
  border-block: 1px solid rgba(238,229,210,.12);
}
.quote-band blockquote { margin: 0; font-family: var(--font-display); font-size: clamp(1.8rem, 5vw, 3.4rem); line-height: 1.15; max-width: 55rem; }

.world-list { display: flex; flex-wrap: wrap; gap: .55rem; padding: 0; list-style: none; }
.world-list li { border: 1px solid rgba(238,229,210,.18); border-radius: 999px; padding: .35rem .75rem; color: var(--bone-soft); font-size: .9rem; }

.form-shell {
  max-width: 42rem;
  border: 1px solid rgba(238,229,210,.14);
  background: rgba(238,229,210,.035);
  padding: clamp(1.2rem, 4vw, 2rem);
  border-radius: var(--radius);
}
.form-grid { display: grid; gap: 1rem; }
.field { display: grid; gap: .42rem; }
label { font-weight: 750; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(238,229,210,.28);
  background: #10120f;
  color: var(--bone);
  border-radius: var(--radius);
  padding: .78rem .85rem;
}
textarea { min-height: 11rem; resize: vertical; }
input::placeholder, textarea::placeholder { color: #77786f; }
.checkbox-row { display: grid; grid-template-columns: 1.2rem 1fr; align-items: start; gap: .7rem; }
.checkbox-row input { width: 1.1rem; height: 1.1rem; margin-top: .25rem; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-status { min-height: 1.7rem; margin: .5rem 0 0; font-weight: 700; }
.form-status.is-success { color: #b8d69f; }
.form-status.is-error { color: #ffac97; }
.form-note { font-size: .88rem; color: var(--smoke); }
.launch-gate {
  border-left: 4px solid var(--ember);
  padding: 1rem 1.1rem;
  background: rgba(197,107,45,.09);
  color: var(--bone-soft);
  margin-bottom: 1.2rem;
}

.definition-list { display: grid; gap: 1rem; }
.definition-list div { padding-bottom: 1rem; border-bottom: 1px solid rgba(238,229,210,.11); }
.definition-list dt { font-weight: 800; color: var(--bone); }
.definition-list dd { margin: .35rem 0 0; color: var(--bone-soft); }

.site-footer {
  border-top: 1px solid rgba(238,229,210,.11);
  background: #090a08;
  padding: 3rem 0;
}
.footer-grid { display: grid; gap: 2rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: .8rem 1rem; }
.footer-nav a { color: var(--bone-soft); text-decoration: none; }
.footer-nav a:hover { color: var(--bone); }
.copyright { color: var(--smoke); font-size: .86rem; }

.page-hero { padding: 5.5rem 0 3.5rem; border-bottom: 1px solid rgba(238,229,210,.1); }
.page-hero h1 { font-size: clamp(2.7rem, 9vw, 5.8rem); max-width: 60rem; }
.breadcrumbs { color: var(--smoke); font-size: .86rem; margin-bottom: 1.2rem; }
.breadcrumbs a { color: var(--bone-soft); }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

@media (min-width: 48rem) {
  .nav-toggle { display: none; }
  .site-nav { position: static; display: block; background: transparent; border: 0; }
  .site-nav ul { display: flex; align-items: center; padding: 0; gap: .15rem; }
  .site-nav a { padding: .65rem .72rem; font-size: .9rem; }
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(18rem, .75fr) minmax(0, 1.25fr); gap: clamp(3rem, 7vw, 7rem); }
  .footer-grid { grid-template-columns: 1.2fr .8fr; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}