:root {
  --ink: #111111;
  --paper: #ffffff;
  --gray-50: #f7f7f5;
  --gray-100: #ececea;
  --gray-300: #cfcfca;
  --gray-500: #8a8a84;
  --gray-700: #4a4a46;
  --accent: #111111;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--gray-700); }

/* ---------- Header ---------- */
.site-header { border-bottom: 1px solid var(--gray-100); position: sticky; top: 0; background: var(--paper); z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { width: 24px; height: 24px; display: block; }
.logo-word { font-family: var(--serif); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.01em; }
.main-nav { display: flex; gap: 32px; }
.main-nav a { font-size: 0.95rem; font-weight: 500; }
.main-nav a:hover { color: var(--gray-700); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 2px; font-size: 0.9rem; font-weight: 600;
  border: 1px solid var(--ink); cursor: pointer; transition: all .15s ease;
  gap: 8px;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: #333; }
.btn-outline { background: transparent; color: var(--ink); }
.btn-outline:hover { background: var(--gray-50); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.btn[disabled] { opacity: .4; cursor: not-allowed; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 56px; border-bottom: 1px solid var(--gray-100); }
.hero-eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.75rem; font-weight: 600; color: var(--gray-500); margin-bottom: 14px; }
.hero p.lede { font-size: 1.15rem; max-width: 620px; }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 12px; }
.section-head a.view-all { font-size: 0.9rem; font-weight: 600; border-bottom: 1px solid var(--ink); }
.section-alt { background: var(--gray-50); }

/* ---------- Grids ---------- */
.grid { display: grid; gap: 32px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Book cover grids — smaller, more columns, so a row of covers fits on
   screen without scrolling (as opposed to .grid-4's wide equal columns). */
.book-grid { display: grid; gap: 24px 20px; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.book-grid .book-cover { margin-bottom: 10px; }
.book-grid h3 { font-size: 0.88rem; }
.book-grid .author { font-size: 0.78rem; }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Book card ---------- */
.book-card { display: block; }
.book-cover { aspect-ratio: 2/3; background: var(--gray-100); border: 1px solid var(--gray-100); overflow: hidden; margin-bottom: 14px; position: relative; }
.book-cover img { width: 100%; height: 100%; object-fit: cover; }
.book-cover .cover-placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; padding: 16px; font-family: var(--serif); font-weight: 700; color: var(--gray-500); font-size: 0.95rem; }
.book-card h3 { font-size: 1rem; margin-bottom: 2px; }
.book-card .author { font-size: 0.85rem; color: var(--gray-500); }
.badge { display: inline-block; font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 4px 8px; background: var(--ink); color: var(--paper); margin-bottom: 10px; }
.badge-outline { background: transparent; color: var(--ink); border: 1px solid var(--ink); }

/* ---------- Author card ---------- */
.author-card { text-align: center; }
.author-photo { width: 100%; aspect-ratio: 1; border-radius: 50%; background: var(--gray-100); overflow: hidden; margin-bottom: 16px; }
.author-photo img { width: 100%; height: 100%; object-fit: cover; }
.author-card h3 { margin-bottom: 4px; }
.author-card .tagline { font-size: 0.9rem; color: var(--gray-500); }

/* ---------- News / announcements ---------- */
.news-item { padding: 24px 0; border-bottom: 1px solid var(--gray-100); display: grid; grid-template-columns: 140px 1fr; gap: 24px; }
.news-item .date { font-size: 0.8rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.05em; }
@media (max-width: 600px) { .news-item { grid-template-columns: 1fr; gap: 6px; } }

/* ---------- Book detail page ---------- */
.book-detail { display: grid; grid-template-columns: 240px 1fr; gap: 56px; padding: 56px 0; }
.book-detail .book-cover { margin-bottom: 0; }
.book-meta .genre { font-size: 0.85rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.book-meta .by-author { font-size: 1.05rem; margin-bottom: 20px; }
.desc-list { margin: 0 0 1em; padding-left: 1.3em; color: var(--gray-700); }
.desc-list li { margin-bottom: 0.4em; }
.format-box { border: 1px solid var(--gray-100); padding: 24px; margin-top: 28px; }
.format-box h4 { margin-bottom: 16px; }
@media (max-width: 800px) { .book-detail { grid-template-columns: 1fr; } }

.side-list { margin-top: 32px; }
.side-list h4 { font-family: var(--sans); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gray-500); font-weight: 600; margin-bottom: 14px; }
.side-list-item { display: flex; align-items: center; gap: 12px; padding: 8px 0; border-top: 1px solid var(--gray-100); }
.side-list-item:hover span { text-decoration: underline; }
.side-thumb { width: 42px; height: 63px; flex-shrink: 0; background: var(--gray-100); overflow: hidden; position: relative; }
.side-thumb img { width: 100%; height: 100%; object-fit: cover; }
.side-thumb .cover-placeholder { padding: 2px; line-height: 1.1; }
.side-list-item span { font-size: 0.85rem; }

.category-link { color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--gray-300); }
.category-link:hover { border-bottom-color: var(--ink); }
.rating-badge { font-size: 0.9rem; margin-bottom: 16px; }
.rating-badge span { color: var(--gray-500); font-weight: 400; margin-left: 4px; }
.region-note { font-size: 0.82rem; color: var(--gray-500); margin-top: 10px; }
.region-note a { text-decoration: underline; }
.testimonials { margin-top: 32px; border-top: 1px solid var(--gray-100); padding-top: 24px; }
.testimonials blockquote { margin: 0 0 16px; padding-left: 16px; border-left: 2px solid var(--gray-300); font-style: italic; }
.testimonials cite { display: block; font-style: normal; font-size: 0.85rem; color: var(--gray-500); margin-top: 6px; }
.category-tabs { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }

/* ---------- Author detail page ---------- */
.author-hero { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 56px 0; align-items: center; }
.author-hero .author-photo { width: 220px; }
@media (max-width: 700px) { .author-hero { grid-template-columns: 1fr; text-align: center; } .author-hero .author-photo { width: 160px; margin: 0 auto 16px; } }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--gray-100); padding: 48px 0; margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 24px; }
.footer-logo { width: 180px; height: auto; margin-bottom: 8px; }
.footer-nav { display: flex; gap: 24px; font-size: 0.9rem; }
.footer-copy { width: 100%; font-size: 0.8rem; color: var(--gray-500); margin-top: 24px; }

/* ---------- Misc ---------- */
.empty-state { padding: 48px 0; text-align: center; color: var(--gray-500); }
.status-note { font-size: 0.85rem; color: var(--gray-500); font-style: italic; }

/* ---------- Cookie consent banner ---------- */
.cookie-banner {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  background: var(--paper); border-top: 1px solid var(--gray-100);
  padding: 16px 24px; display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
}
.cookie-banner p { margin: 0; font-size: 0.88rem; color: var(--gray-700); max-width: 640px; }
.cookie-banner p a { text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-banner .btn { padding: 9px 18px; font-size: 0.85rem; }
@media (max-width: 560px) { .cookie-banner { flex-direction: column; align-items: stretch; } .cookie-banner-actions { justify-content: flex-end; } }