:root {
  --paper: #f7f1e8;
  --paper-2: #fffaf2;
  --ink: #1e1714;
  --muted: #6e6258;
  --line: rgba(46, 34, 27, .18);
  --accent: #6f1f2b;
  --accent-2: #102f43;
  --gold: #a77a32;
  --card: rgba(255, 250, 242, .88);
  --shadow: 0 24px 70px rgba(45, 29, 18, .12);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1160px;
  --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; }
body {
  margin: 0;
  background: radial-gradient(circle at top left, rgba(167,122,50,.14), transparent 36rem), var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.58;
  font-size: 17px;
}
a { color: var(--accent-2); text-decoration-thickness: .08em; text-underline-offset: .19em; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .75rem 1rem; z-index: 999; }
.skip-link:focus { left: 1rem; top: 1rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 241, 232, .96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: .7rem 1.1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  color: var(--ink);
  min-width: 185px;
}
.brand img { width: 44px; height: 44px; border-radius: 12px; box-shadow: 0 4px 16px rgba(30,23,20,.12); }
.brand strong { display: block; font-family: var(--serif); font-size: 1.18rem; letter-spacing: .015em; line-height: 1.05; }
.brand span { display: block; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .11em; }
.nav-toggle { display: none; border: 1px solid var(--line); background: var(--paper-2); border-radius: 999px; padding: .55rem .85rem; font-weight: 700; color: var(--ink); }
.primary-nav { justify-self: end; }
.primary-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: .32rem; margin: 0; padding: 0; justify-content: flex-end; }
.primary-nav a {
  display: block;
  text-decoration: none;
  font-size: .88rem;
  color: var(--ink);
  padding: .48rem .68rem;
  border-radius: 999px;
  border: 1px solid transparent;
}
.primary-nav a:hover, .primary-nav a:focus-visible { border-color: var(--line); background: rgba(255,250,242,.8); outline: none; }
.primary-nav a.active { background: var(--ink); color: var(--paper-2); }
main { min-height: 62vh; }
.section { padding: clamp(3rem, 7vw, 6rem) 1.1rem; }
.section.tight { padding-top: 2.3rem; padding-bottom: 2.3rem; }
.container { max-width: var(--max); margin: 0 auto; }
.hero {
  padding: clamp(4rem, 9vw, 7.2rem) 1.1rem 3rem;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.eyebrow { margin: 0 0 .7rem; color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.05; margin: 0; font-weight: 700; }
h1 { font-size: clamp(2.65rem, 8vw, 5.8rem); letter-spacing: -.04em; max-width: 10.5ch; }
.hero p.lead, .page-lead { font-size: clamp(1.12rem, 2.4vw, 1.38rem); color: var(--muted); max-width: 66ch; margin: 1.25rem 0 0; }
.hero-actions, .actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; text-decoration: none; border-radius: 999px; padding: .8rem 1.05rem; font-weight: 800; border: 1px solid var(--line); background: var(--paper-2); color: var(--ink); box-shadow: 0 8px 22px rgba(45, 29, 18, .08); }
.button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.button.dark { background: var(--ink); color: var(--paper-2); border-color: var(--ink); }
.button:hover { transform: translateY(-1px); }
.hero-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); }
.hero-card img.landscape { border-radius: 16px; aspect-ratio: 1672 / 941; width: 100%; height: auto; object-fit: contain; background: #111; }
.hero-card .caption { padding: 1rem .4rem .2rem; color: var(--muted); font-size: .96rem; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.4rem; }
.section-head h2 { font-size: clamp(2rem, 4.8vw, 3.4rem); letter-spacing: -.025em; }
.section-head p { max-width: 56ch; color: var(--muted); margin: .7rem 0 0; }
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1rem, 2.1vw, 1.4rem); box-shadow: 0 14px 38px rgba(45, 29, 18, .07); }
.card h3 { font-size: clamp(1.35rem, 2.6vw, 2rem); }
.card p { color: var(--muted); }
.book-card { display: grid; grid-template-rows: auto 1fr; gap: 1rem; }
.book-cover-wrap { background: linear-gradient(145deg, rgba(255,255,255,.7), rgba(30,23,20,.04)); border: 1px solid var(--line); border-radius: 16px; padding: .7rem; display: flex; align-items: center; justify-content: center; min-height: 0; }
.book-cover { width: min(100%, 235px); aspect-ratio: 2 / 3; object-fit: contain; box-shadow: 0 16px 34px rgba(30,23,20,.20); background: #eee; }
.book-cover.large { width: min(100%, 330px); }
.book-meta { display: flex; flex-wrap: wrap; gap: .45rem; margin: .8rem 0; }
.pill { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: .25rem .55rem; font-size: .78rem; color: var(--muted); background: rgba(255,250,242,.7); }
.price { color: var(--accent); font-weight: 900; }
.small { font-size: .92rem; color: var(--muted); }
.info-list { display: grid; gap: .55rem; margin: 1rem 0; }
.info-row { display: grid; grid-template-columns: 140px 1fr; gap: .8rem; border-top: 1px solid var(--line); padding-top: .55rem; }
.info-row dt { font-weight: 800; color: var(--ink); }
.info-row dd { margin: 0; color: var(--muted); }
.page-hero { padding: clamp(3rem, 7vw, 5.5rem) 1.1rem 2rem; border-bottom: 1px solid var(--line); }
.page-hero .container { display: grid; gap: 1.2rem; }
.page-hero h1 { max-width: 14ch; font-size: clamp(2.4rem, 6.6vw, 5rem); }
.book-detail-grid { display: grid; grid-template-columns: minmax(240px, .55fr) minmax(0, 1.1fr); gap: clamp(1.8rem, 4vw, 3.2rem); align-items: start; }
.detail-cover-panel { position: sticky; top: 6.2rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; box-shadow: var(--shadow); }
.prose { max-width: 78ch; }
.prose p { color: var(--muted); }
.prose h2 { margin: 2rem 0 .5rem; font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
.banner { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); min-height: 330px; background: #111; box-shadow: var(--shadow); }
.banner img { width: 100%; height: 100%; min-height: 330px; object-fit: cover; opacity: .82; }
.banner-content { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: end; padding: clamp(1.4rem, 4vw, 3rem); color: #fff; background: linear-gradient(90deg, rgba(0,0,0,.72), rgba(0,0,0,.32), rgba(0,0,0,.12)); }
.banner-content h2 { font-size: clamp(2rem, 5vw, 4rem); max-width: 11ch; }
.banner-content p { max-width: 58ch; color: rgba(255,255,255,.88); }
.route-map { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; }
.route-map a { text-decoration: none; color: var(--ink); display: block; padding: 1rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,250,242,.7); }
.route-map strong { display: block; font-family: var(--serif); font-size: 1.2rem; }
.route-map span { display: block; color: var(--muted); font-size: .9rem; margin-top: .25rem; }
.notice { border-left: 4px solid var(--gold); padding: .8rem 1rem; background: rgba(167,122,50,.10); border-radius: 0 14px 14px 0; color: var(--muted); }
.form-grid { display: grid; gap: 1rem; }
label { font-weight: 800; }
input, textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: .85rem .95rem; font: inherit; background: var(--paper-2); color: var(--ink); }
textarea { min-height: 150px; resize: vertical; }
input:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 3px solid rgba(111,31,43,.28); outline-offset: 3px; }
.site-footer { border-top: 1px solid var(--line); background: rgba(30,23,20,.04); padding: 2.5rem 1.1rem; }
.footer-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1.3fr; gap: 2rem; }
.footer-nav, .social-links { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: .8rem; }
.footer-nav a, .social-links a { font-size: .9rem; text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: .38rem .65rem; background: rgba(255,250,242,.65); color: var(--ink); }
.footer-small { color: var(--muted); font-size: .9rem; }
@media (max-width: 980px) {
  .header-inner { grid-template-columns: auto auto; }
  .nav-toggle { display: inline-flex; justify-self: end; }
  .primary-nav { grid-column: 1 / -1; width: 100%; display: none; }
  .primary-nav.open { display: block; }
  .primary-nav ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); justify-content: stretch; }
  .primary-nav a { border: 1px solid var(--line); background: rgba(255,250,242,.78); }
  .hero-grid, .book-detail-grid, .footer-grid { grid-template-columns: 1fr; }
  .detail-cover-panel { position: static; }
  .grid.four, .grid.three, .grid.two, .route-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-head { display: block; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .brand { min-width: auto; }
  .brand span { display: none; }
  .primary-nav ul, .grid.four, .grid.three, .grid.two, .route-map { grid-template-columns: 1fr; }
  .info-row { grid-template-columns: 1fr; gap: .15rem; }
  .hero { padding-top: 2.8rem; }
  .book-cover { width: min(100%, 210px); }
}