/* Palette taken from the cover: dark brick, warm light, cream lettering */
:root {
  --bg: #0f0e0d;
  --band: #171513;
  --card: #1c1917;
  --ink: #efe3c8;          /* cover lettering */
  --muted: #a89c88;
  --line: #2e2925;
  --light: #f2b866;        /* light through the brick */
  --light-soft: rgba(242, 184, 102, .14);
  --display: "Josefin Sans", "Futura", system-ui, sans-serif;
  --serif: "Lora", Georgia, serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.7 var(--serif);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--light); }
h1, h2, h3 {
  font-family: var(--display); font-weight: 300; text-transform: uppercase;
  letter-spacing: .06em; line-height: 1.05; margin: 0 0 .45em;
}
h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
h3 { font-size: 1.35rem; font-weight: 400; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 96px 20px; }
.narrow { max-width: 740px; }
.band { background: var(--band); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .9rem; margin-top: 28px; }
.eyebrow {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .22em;
  font-size: .78rem; font-weight: 600; color: var(--light); margin: 0 0 12px;
}

/* nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: rgba(15, 14, 13, .85);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.brand, .nav nav a {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .14em; text-decoration: none; color: var(--ink);
}
.brand { font-size: 1.05rem; font-weight: 400; }
.nav nav { display: flex; gap: 26px; align-items: center; }
.nav nav a { font-size: .82rem; }
.nav nav a:hover { color: var(--light); }
.nav nav a.nav-buy { color: var(--light); font-weight: 600; }

/* hero */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 60% 70% at 72% 55%, rgba(242,184,102,.16), transparent 70%),
    linear-gradient(180deg, rgba(15,14,13,.55), rgba(15,14,13,.92)),
    url("images/wall.png") center / cover no-repeat,
    var(--bg);
}
.hero-inner {
  max-width: 1100px; margin: 0 auto; padding: 88px 20px 104px;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center;
}
.hero h1 { font-size: clamp(3.6rem, 9vw, 6.4rem); letter-spacing: .08em; margin-bottom: 18px; }
.author {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .24em;
  font-size: .95rem; color: var(--light); margin: 0 0 28px;
}
.lede { font-size: 1.12rem; color: #d7cab2; max-width: 32em; margin: 0; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.hero-cover { display: flex; justify-content: center; }
.hero-cover img {
  width: min(360px, 78vw); height: auto; border-radius: 3px;
  box-shadow: 0 0 80px 10px var(--light-soft), 0 34px 60px -18px rgba(0,0,0,.8);
}

/* quote band */
.quote {
  text-align: center; padding: 64px 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, transparent, var(--light-soft), transparent);
}
.quote p {
  max-width: 760px; margin: 0 auto; font-style: italic; font-size: clamp(1.3rem, 2.6vw, 1.75rem); line-height: 1.5;
}
.quote span { color: var(--light); }

/* buttons */
.btn {
  display: inline-block; padding: 14px 24px; border-radius: 2px;
  font-family: var(--display); text-transform: uppercase; letter-spacing: .12em;
  font-weight: 600; font-size: .82rem; text-decoration: none; text-align: center;
  border: 1px solid var(--light); transition: background .2s, color .2s, box-shadow .2s;
}
.btn.primary { background: var(--light); color: #1a1208; }
.btn.primary:hover { box-shadow: 0 0 28px rgba(242,184,102,.45); }
.btn.ghost { color: var(--light); background: transparent; }
.btn.ghost:hover { background: var(--light-soft); }
.btn.disabled { opacity: .45; cursor: default; box-shadow: none; }

/* reader */
.reader {
  background: var(--card); border: 1px solid var(--line); border-radius: 4px;
  padding: clamp(24px, 5vw, 56px); margin-top: 28px;
  font-size: 1.12rem; line-height: 1.85; color: #e6dac2;
  max-height: 75vh; overflow-y: auto; scrollbar-color: var(--line) transparent;
}
.reader:focus { outline: 1px solid var(--light); }
.reader p { margin: 0 0 1.1em; }
.reader .chapter-num {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .22em;
  font-size: .8rem; color: var(--light); margin: 2.6em 0 .4em; text-align: center;
}
.reader .chapter-title { text-align: center; font-size: 1.8rem; margin: 0 0 1.4em; }
.reader > .chapter-title:first-child { margin-top: 0; }
.reader h4 {
  font-family: var(--display); font-weight: 400; text-transform: uppercase; letter-spacing: .12em;
  font-size: 1.05rem; color: var(--light); margin: 2.2em 0 1em;
}
.sample-end { text-align: center; margin-top: 32px; }

/* player */
.player { margin-top: 24px; }
.player audio { width: 100%; }

/* illustrations in the reader: engravings sit on a parchment mat */
.plate { margin: 0 0 2em; background: #f4efe4; padding: 10px; border-radius: 2px; }
.plate img { display: block; width: 100%; height: auto; }
.reader .plate:not(:first-child) { margin-top: 3em; }

/* chapter grid */
.chapters {
  list-style: none; padding: 0; margin: 40px 0 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 22px;
}
.chapters li { background: var(--card); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.chapters img {
  display: block; width: 100%; aspect-ratio: 900 / 491; object-fit: cover;
  background: #f4efe4; filter: sepia(.25) brightness(.92); transition: filter .25s;
}
.chapters li:hover img { filter: none; }
.chapters p { margin: 0; padding: 14px 16px 16px; font-size: 1.05rem; line-height: 1.35; }
.chapters b {
  display: block; font-family: var(--display); font-weight: 600; text-transform: uppercase;
  letter-spacing: .16em; font-size: .72rem; color: var(--light); margin-bottom: 4px;
}
.chapters em {
  display: inline-block; margin-left: 8px; font-family: var(--display); font-style: normal; font-size: .66rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: .14em; color: #1a1208;
  background: var(--light); padding: 1px 7px; border-radius: 2px; vertical-align: middle;
}

/* toc */
.toc { list-style: none; counter-reset: ch; padding: 0; margin: 24px 0 0; }
.toc li {
  counter-increment: ch; display: flex; align-items: baseline; gap: 18px;
  padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 1.15rem;
}
.toc li::before {
  content: counter(ch, decimal-leading-zero);
  font-family: var(--display); font-size: .85rem; color: var(--light); width: 26px;
}
.toc li span { flex: 1; }
.toc li em {
  font-family: var(--display); font-style: normal; font-size: .72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .14em; color: var(--light);
}

/* buy cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 4px;
  padding: 34px 26px; display: flex; flex-direction: column; gap: 8px; position: relative;
}
.card .btn { margin-top: auto; }
.card.featured { border-color: var(--light); box-shadow: 0 0 50px var(--light-soft); }
.price { font-family: var(--display); font-weight: 300; font-size: 2.6rem; margin: 0; }
.tag {
  position: absolute; top: -12px; left: 26px; margin: 0; background: var(--light); color: #1a1208;
  font-family: var(--display); font-size: .7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .14em; padding: 3px 10px; border-radius: 2px;
}

.footer { text-align: center; padding: 48px 20px; color: var(--muted); font-size: .9rem; border-top: 1px solid var(--line); }
.footer p { margin: 4px 0; }
.footer-brand {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .2em; color: var(--ink); font-size: 1.1rem;
}

@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 40px; gap: 40px; text-align: center; }
  .hero-cover { order: -1; }
  .lede { margin: 0 auto; }
  .cta-row { justify-content: center; }
  .cards { grid-template-columns: 1fr; }
  .nav nav { gap: 16px; }
  .nav nav a:not(.nav-buy) { display: none; }
  .wrap { padding: 72px 20px; }
}