/* Codexia product page. Palette and type follow the app (see the wiki's
   codexia.md): cream paper, espresso ink, leather accent. Gold and peach fail
   contrast on cream, so they are decoration only: rules, dots, borders.
   No italics anywhere, including Newsreader, which is loaded upright only. */

:root {
  --bg: #FAF8F2;
  --surface: #F2EEE2;
  --border: #E0DACA;
  --ink: #1F1209;
  --ink-soft: #4A3A2C;
  --accent: #8D5934;
  --accent-deep: #6B4427;
  --accent-soft: #F0DCC4;
  --accent-faint: #F8EEE0;
  --gold: #E4BB8F;
  --pop: #F19F77;

  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;

  --wrap: 1120px;
  --gutter: 20px;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
* { font-style: normal; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-deep); }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
strong { font-weight: 600; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 8px; z-index: 10;
}
.skip-link:focus { left: 8px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ── Header ─────────────────────────────────────────── */

.cx-header { border-bottom: 1px solid var(--border); }
.cx-header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  height: 60px;
}
.cx-crumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; color: var(--ink-soft); text-decoration: none;
}
.cx-crumb:hover { color: var(--ink); }
.cx-crumb-current { color: var(--ink); font-weight: 600; }
.cx-crumb-sep { color: var(--gold); }
.cx-header-cta {
  font-size: 14px; font-weight: 600; color: var(--accent); text-decoration: none;
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px;
}
.cx-header-cta:hover { background: var(--accent-faint); }

/* ── Shared bits ────────────────────────────────────── */

.eyebrow {
  font-family: var(--sans); font-size: 12px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 14px;
}
.section { padding: 64px 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-title { font-size: clamp(30px, 6vw, 44px); max-width: 18ch; }
.section-lede { margin-top: 14px; max-width: 60ch; color: var(--ink-soft); }

.isbn { font-family: var(--mono); font-size: 13px; letter-spacing: 0.02em; color: var(--ink-soft); }

.play-btn {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--ink); color: var(--bg);
  padding: 12px 22px 12px 18px; border-radius: 12px; text-decoration: none;
  transition: background .15s ease, transform .15s ease;
}
.play-btn:hover { background: var(--accent-deep); color: var(--bg); transform: translateY(-1px); }
.play-btn svg { flex: none; }
.play-btn-text { display: flex; flex-direction: column; line-height: 1.15; }
.play-btn-small { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; opacity: .85; }
.play-btn-name { font-size: 19px; font-weight: 600; }

/* ── Hero ───────────────────────────────────────────── */

.hero { padding: 44px 0 56px; overflow: hidden; }
.hero-grid { display: grid; gap: 44px; }
.hero-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.hero-brand img { width: 64px; height: 64px; border-radius: 16px; border: 1px solid var(--border); }
.hero-brand-name { font-family: var(--serif); font-size: 26px; font-weight: 500; }
.hero-brand-rule { display: block; width: 40px; height: 3px; background: var(--gold); border-radius: 2px; margin-top: 4px; }

.hero h1 { font-size: clamp(42px, 11vw, 72px); line-height: 1.02; letter-spacing: -0.02em; }
.hero-sub { margin-top: 20px; font-size: 19px; color: var(--ink-soft); max-width: 34ch; }
.hero-cta { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; }
.hero-cta-note { font-size: 14px; color: var(--ink-soft); }
.hero-facts {
  margin: 34px 0 0; padding: 18px 0 0; list-style: none;
  border-top: 1px dashed var(--border);
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  font-size: 14px; color: var(--ink-soft);
}
.hero-facts li { display: flex; align-items: center; gap: 8px; }
.hero-facts li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--pop); }

/* A fixed-proportion stage: library screen front-right, scan screen tilted
   behind on the left, a catalogue slip pinned bottom-left. */
.hero-visual { position: relative; width: 100%; max-width: 440px; margin: 0 auto; padding: 0 0 28px; }
.phone {
  border-radius: 28px; overflow: hidden; background: var(--surface);
  border: 7px solid var(--ink);
  box-shadow: 0 30px 60px -28px rgba(31, 18, 9, .45);
}
.phone img { width: 100%; }
.phone--front { position: relative; z-index: 1; width: 62%; margin-left: auto; }
.phone--back {
  position: absolute; z-index: 0; left: 2%; top: 9%; width: 50%;
  transform: rotate(-7deg);
}
.hero-card {
  position: absolute; z-index: 2; left: 0; bottom: 4px;
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; width: min(230px, 62%);
  box-shadow: 0 16px 30px -18px rgba(31, 18, 9, .35);
}
.hero-card .isbn { font-size: 12px; }
.hero-card-label { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.hero-card-title { font-family: var(--serif); font-size: 18px; margin-top: 4px; }
.hero-card-row { display: flex; justify-content: space-between; margin-top: 6px; }

/* ── Catalogue card (the "how it works" steps) ──────── */

.steps { display: grid; gap: 16px; margin-top: 36px; counter-reset: step; }
.step {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px;
}
.step::before {
  counter-increment: step; content: "No. " counter(step, decimal-leading-zero);
  font-family: var(--mono); font-size: 12px; color: var(--accent);
  display: block; margin-bottom: 10px;
}
.step::after {
  content: ""; position: absolute; top: 0; left: 22px; width: 36px; height: 3px; background: var(--gold); border-radius: 0 0 2px 2px;
}
.step h3 { font-size: 23px; }
.step p { margin-top: 8px; color: var(--ink-soft); font-size: 16px; line-height: 1.75; }

/* ── Screenshot shelf ───────────────────────────────── */

.shelf {
  margin-top: 36px;
  display: grid; grid-auto-flow: column; grid-auto-columns: 62%;
  gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 4px var(--gutter) 22px; margin-left: calc(-1 * var(--gutter)); margin-right: calc(-1 * var(--gutter));
  scrollbar-width: thin; scrollbar-color: var(--gold) transparent;
}
.shelf figure { margin: 0; scroll-snap-align: center; }
.shelf img {
  border-radius: 18px; border: 1px solid var(--border);
  box-shadow: 0 18px 34px -24px rgba(31, 18, 9, .5);
}
.shelf figcaption { margin-top: 12px; font-size: 14px; color: var(--ink-soft); line-height: 1.45; }
.shelf figcaption strong { display: block; color: var(--ink); font-family: var(--serif); font-size: 18px; font-weight: 500; }
.shelf-hint { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }

/* ── Features ───────────────────────────────────────── */

.features { display: grid; gap: 0; margin-top: 30px; border-top: 1px solid var(--border); }
.feature { display: grid; grid-template-columns: 40px 1fr; gap: 4px 16px; padding: 22px 0; border-bottom: 1px solid var(--border); }
.feature-icon {
  grid-row: span 2; width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent-deep);
  display: grid; place-items: center;
}
.feature h3 { font-size: 21px; }
.feature p { color: var(--ink-soft); font-size: 16px; }

/* ── Scanner vs camera ──────────────────────────────── */

.compare { display: grid; gap: 16px; margin-top: 36px; }
.compare-col {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; background: var(--bg);
}
.compare-col--accent { background: var(--accent-faint); border-color: var(--accent-soft); }
.compare-head { display: flex; align-items: center; gap: 12px; }
.compare-head svg { color: var(--accent); flex: none; }
.compare-col h3 { font-size: 24px; }
.compare-best { margin-top: 10px; font-size: 15px; color: var(--ink-soft); }
.compare-list { list-style: none; padding: 0; margin: 16px 0 0; }
.compare-list li { padding: 9px 0 9px 22px; border-top: 1px dashed var(--border); position: relative; font-size: 16px; }
.compare-list li::before { content: ""; position: absolute; left: 2px; top: 18px; width: 8px; height: 2px; background: var(--accent); }
.compare-foot { margin-top: 20px; font-size: 15px; color: var(--ink-soft); max-width: 70ch; }

/* ── Who it's for ───────────────────────────────────── */

.shelves { display: grid; gap: 16px; margin-top: 36px; }
.shelf-card { padding: 26px 24px; border-radius: var(--radius); background: var(--ink); color: var(--bg); }
.shelf-card .eyebrow { color: var(--gold); }
.shelf-card h3 { font-size: 25px; color: var(--bg); }
.shelf-card p { margin-top: 10px; color: #E9E1D3; font-size: 16px; }
.shelf-card p + p { margin-top: 8px; }
.shelf-card a { color: var(--gold); }

/* ── Pricing ────────────────────────────────────────── */

.plans { display: grid; gap: 14px; margin-top: 36px; }
.plan {
  position: relative;
  border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; background: #fff;
  display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 4px 16px;
}
.plan--feature { border: 2px solid var(--accent); }
.plan-name { font-family: var(--serif); font-size: 22px; }
.plan-price { font-family: var(--serif); font-size: 30px; font-weight: 600; }
.plan-price span { font-family: var(--sans); font-size: 14px; font-weight: 400; color: var(--ink-soft); }
.plan-note { grid-column: 1 / -1; font-size: 15px; color: var(--ink-soft); }
.plan-tag {
  position: absolute; top: -12px; left: 22px;
  font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  background: var(--accent-soft); color: var(--accent-deep); border-radius: 999px; padding: 3px 10px;
}
.pricing-points { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 8px; font-size: 15px; color: var(--ink-soft); }
.pricing-points li::before { content: "— "; color: var(--accent); }

/* ── Privacy ────────────────────────────────────────── */

.privacy { background: var(--surface); }
.section + .privacy { border-top: 0; }
.privacy-grid { display: grid; gap: 30px; }
.privacy p + p { margin-top: 14px; }
.privacy-body { color: var(--ink-soft); max-width: 62ch; margin-top: 18px; }
.ledger {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px 20px; align-self: start;
}
.ledger-row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--border); font-size: 15px; }
.ledger-row:last-child { border-bottom: 0; }
.ledger-key { color: var(--ink-soft); }
.ledger-val { font-family: var(--mono); font-size: 13px; color: var(--ink); text-align: right; }

/* ── FAQ ────────────────────────────────────────────── */

.faq { margin-top: 30px; border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 34px 18px 0; position: relative;
  font-family: var(--serif); font-size: 20px; font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 14px;
  font-family: var(--sans); font-size: 24px; color: var(--accent);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 20px; color: var(--ink-soft); max-width: 68ch; }

/* ── Closing CTA ────────────────────────────────────── */

.closing { text-align: center; }
.closing img { width: 88px; height: 88px; margin: 0 auto 20px; border-radius: 20px; border: 1px solid var(--border); }
.closing .section-title { margin: 0 auto; }
.closing .section-lede { margin: 14px auto 0; }
.closing .play-btn { margin-top: 28px; }
.closing-legal { margin-top: 22px; font-size: 14px; color: var(--ink-soft); }

/* ── Footer ─────────────────────────────────────────── */

.cx-footer { border-top: 1px solid var(--border); padding: 30px 0 40px; font-size: 14px; color: var(--ink-soft); }
.cx-footer-inner { display: grid; gap: 14px; }
.cx-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.cx-footer a { color: var(--ink-soft); }
.cx-footer a:hover { color: var(--accent); }

/* ── Wider screens ──────────────────────────────────── */

@media (min-width: 640px) {
  :root { --gutter: 32px; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .shelf { grid-auto-columns: 36%; }
  .features { grid-template-columns: 1fr 1fr; column-gap: 40px; }
  .compare { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: repeat(3, 1fr); }
  .plan { grid-template-columns: 1fr; align-content: start; }
  .cx-footer-inner { grid-template-columns: 1fr auto; align-items: center; }
}

@media (min-width: 900px) {
  .section { padding: 92px 0; }
  .hero { padding: 72px 0 64px; }
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; align-items: center; }
  .hero-visual { margin-right: 0; }
  .shelf {
    grid-auto-flow: row; grid-template-columns: repeat(5, 1fr); overflow: visible;
    margin-left: 0; margin-right: 0; padding: 4px 0 0;
  }
  .shelf-hint { display: none; }
  .shelves { grid-template-columns: repeat(3, 1fr); }
  .privacy-grid { grid-template-columns: 1.2fr 0.8fr; gap: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}