:root {
  --paper: #f5efe6;
  --paper-2: #ece3d6;
  --card: #fbf8f3;
  --ink: #1f1a15;
  --ink-2: #5a5047;
  --line: #d9cdbd;
  --accent: #9c4325;
  --accent-ink: #fff8f2;
  --stone: #7b8a7f;
  --shadow: 0 1px 2px rgb(40 25 10 / .08), 0 10px 24px -8px rgb(40 25 10 / .25);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --wrap: 1160px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 var(--sans);
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1.1; }
.brand b { font: 600 24px/1.1 var(--serif); letter-spacing: -.01em; }
.brand span { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); margin-top: 3px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.nav a { text-decoration: none; font-size: 15px; padding: 8px 12px; border-radius: 999px; color: var(--ink-2); }
.nav a:hover { color: var(--ink); background: var(--paper-2); }
.nav a[aria-current="page"] { color: var(--ink); background: var(--paper-2); font-weight: 500; }

/* Hero */
.hero { padding: 64px 0 56px; border-bottom: 1px solid var(--line); background:
  radial-gradient(1200px 400px at 85% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin: 0 0 14px; }
.hero h1 { font: 500 clamp(40px, 6vw, 72px)/1.02 var(--serif); letter-spacing: -.025em; margin: 0 0 20px; }
.hero h1 em { font-style: italic; color: var(--accent); }
.lead { font-size: 19px; color: var(--ink-2); max-width: 36ch; margin: 0 0 28px; }
.stats { display: flex; gap: 32px; margin: 0; padding: 0; list-style: none; }
.stats b { display: block; font: 500 34px/1 var(--serif); }
.stats span { font-size: 13px; color: var(--ink-2); }

.feature { display: grid; grid-template-columns: 170px 1fr; gap: 24px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; box-shadow: var(--shadow); text-decoration: none; }
.feature .cover { border-radius: 4px; }
.feature small { display: inline-block; background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; }
.feature h2 { font: 500 28px/1.15 var(--serif); margin: 12px 0 6px; }
.feature p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* Covers */
.frame { aspect-ratio: 2 / 3; width: 100%; display: flex; align-items: flex-end; justify-content: center; }
.cover { max-width: 100%; max-height: 100%; width: auto; height: auto; border-radius: 3px; box-shadow: var(--shadow); }
.cover-ph {
  aspect-ratio: 2 / 3; width: 100%; border-radius: 3px; box-shadow: var(--shadow);
  background: linear-gradient(160deg, var(--stone), color-mix(in srgb, var(--stone) 55%, #000));
  color: #fff; display: flex; flex-direction: column; justify-content: space-between; padding: 14% 12%;
}
.cover-ph b { font: 500 clamp(15px, 2vw, 22px)/1.15 var(--serif); }
.cover-ph span { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; opacity: .85; }

/* Section */
.section { padding: 56px 0 72px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 28px; }
.section-head h2 { font: 500 clamp(30px, 4vw, 42px)/1.1 var(--serif); margin: 0; letter-spacing: -.015em; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters button {
  font: 500 14px/1 var(--sans); color: var(--ink-2); background: transparent; cursor: pointer;
  border: 1px solid var(--line); border-radius: 999px; padding: 9px 14px;
}
.filters button:hover { color: var(--ink); border-color: var(--ink-2); }
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filters button sup { font-size: 11px; opacity: .7; margin-left: 2px; }

/* Grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 40px 28px; margin: 0; padding: 0; list-style: none; }
.book a { text-decoration: none; display: block; }
.book .cover, .book .cover-ph { transition: transform .25s ease, box-shadow .25s ease; }
.book a:hover .cover, .book a:hover .cover-ph { transform: translateY(-4px) rotate(-.6deg); }
.book h3 { font: 500 18px/1.25 var(--serif); margin: 14px 0 4px; }
.book a:hover h3 { color: var(--accent); }
.book p { margin: 0; font-size: 13px; color: var(--ink-2); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tag { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }
.tag.new { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.book[hidden] { display: none; }

.year-sep { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; font: 500 15px/1 var(--serif); color: var(--ink-2); margin-top: 8px; }
.year-sep::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* Book detail */
.crumbs { font-size: 14px; color: var(--ink-2); padding: 28px 0 0; }
.crumbs a { text-decoration: none; }
.detail { display: grid; grid-template-columns: minmax(220px, 340px) 1fr; gap: 56px; padding: 28px 0 40px; align-items: start; }
.detail .frame, .detail .cover-ph { position: sticky; top: 96px; }
.detail .frame { align-items: flex-start; }
.detail h1 { font: 500 clamp(34px, 5vw, 56px)/1.05 var(--serif); letter-spacing: -.02em; margin: 6px 0 16px; }
.byline { color: var(--ink-2); margin: 0 0 24px; font-size: 17px; }
.meta { display: grid; grid-template-columns: auto 1fr; gap: 8px 24px; margin: 0 0 28px; padding: 20px 0; border-block: 1px solid var(--line); font-size: 15px; }
.meta dt { color: var(--ink-2); }
.meta dd { margin: 0; }
.buy { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 500; font-size: 15px;
  padding: 12px 18px; border-radius: 999px; border: 1px solid var(--ink); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:not(.primary):hover { border-color: var(--accent); }

.excerpt { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: clamp(22px, 4vw, 44px); }
.excerpt > h2 { font: 600 13px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin: 0 0 20px; }
.excerpt .prose { font: 400 19px/1.75 var(--serif); }
.excerpt .prose p { margin: 0 0 1em; }
.excerpt .prose h2, .excerpt .prose h3 { font: 500 22px/1.3 var(--serif); margin: 1.4em 0 .6em; }
.excerpt .prose .source { font: 500 14px/1.4 var(--sans); color: var(--ink-2); margin-top: 1.6em; }
.note { color: var(--ink-2); font-size: 15px; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 32px 0 72px; border-top: 1px solid var(--line); }
.pager a { text-decoration: none; padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.pager a:hover { border-color: var(--accent); }
.pager small { display: block; color: var(--ink-2); font-size: 13px; }
.pager b { font: 500 18px/1.3 var(--serif); }
.pager .next { text-align: right; grid-column: 2; }

/* Pages */
.page { display: grid; grid-template-columns: minmax(220px, 380px) 1fr; gap: 56px; padding: 48px 0 80px; align-items: start; }
.page img.photo { border-radius: 18px; box-shadow: var(--shadow); width: 100%; height: auto; }
.page h1 { font: 500 clamp(36px, 5vw, 56px)/1.05 var(--serif); letter-spacing: -.02em; margin: 0 0 8px; }
.page .prose { font-size: 18px; max-width: 62ch; }
.page .prose p { margin: 0 0 1.1em; }
.shops { display: grid; gap: 14px; margin: 28px 0; }
.shop { display: block; text-decoration: none; padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.shop:hover { border-color: var(--accent); }
.shop b { font: 500 21px/1.2 var(--serif); display: block; }
.shop span { color: var(--ink-2); font-size: 15px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--ink-2); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer a { text-decoration: none; }

@media (max-width: 860px) {
  .hero { padding: 40px 0; }
  .hero .wrap, .detail, .page { grid-template-columns: 1fr; gap: 32px; }
  .detail .frame, .detail .cover-ph { position: static; max-width: 260px; }
  .page img.photo { max-width: 320px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .site-header .wrap { flex-direction: column; align-items: flex-start; padding: 10px 0; gap: 6px; }
  .nav a { padding: 6px 10px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 32px 18px; }
  .feature { grid-template-columns: 110px 1fr; padding: 16px; gap: 16px; }
  .feature h2 { font-size: 22px; }
  .stats { gap: 22px; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }