/* Lesekreis – Buchhandlungs-Shop.
   Palette (Marke): Papier #faf8f4, Tinte #1c2431, Tintenblau #2b4a6f,
   Stempelrot #a33b2e, Linie #d8d2c6. Ohne Webfonts – Serif trägt die
   literarische Identität, Mono die Betriebs-/Preisangaben.
   Signatur: die einfarbige Cover-Reihe (.cover) – rein aus Typografie. */

:root {
  --paper: #faf8f4;
  --paper-2: #f2ede3;
  --card: #ffffff;
  --ink: #1c2431;
  --ink-soft: #5b6472;
  --ink-blue: #2b4a6f;
  --ink-blue-dark: #1d3450;
  --stamp-red: #a33b2e;
  --ok: #2f6f4e;
  --rule: #d8d2c6;

  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", "Courier New", monospace;

  --wrap: min(68rem, 92vw);
  --measure: min(42rem, 92vw);
  --radius: 3px;
  --shadow: 0 1px 2px rgba(28, 36, 49, 0.05), 0 8px 24px rgba(28, 36, 49, 0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main { flex: 1; width: 100%; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.15; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 0 0 1rem; letter-spacing: -0.01em; }
h2 { font-size: 1.6rem; margin: 0 0 0.6rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.2rem; }

p { margin: 0 0 1rem; }
a { color: var(--ink-blue); }
a:focus-visible,
button:focus-visible,
input:focus-visible { outline: 3px solid var(--ink-blue); outline-offset: 2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stamp-red);
  margin: 0 0 0.8rem;
}

/* ------------------------------------------------------------------ Buttons */
.btn {
  display: inline-block;
  font: inherit;
  font-size: 0.92rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--ink-blue); color: #fff; border-color: var(--ink-blue); }
.btn-primary:hover { background: var(--ink-blue-dark); border-color: var(--ink-blue-dark); }
.btn-ghost { background: transparent; color: var(--ink-blue); border-color: var(--rule); }
.btn-ghost:hover { border-color: var(--ink-blue); }
.btn-add {
  background: var(--paper);
  color: var(--ink-blue);
  border-color: var(--ink-blue);
  font-size: 0.82rem;
  padding: 0.45rem 0.8rem;
}
.btn-add:hover { background: var(--ink-blue); color: #fff; }
.btn-add.btn-added { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-block { display: block; width: 100%; }

/* ------------------------------------------------------------------- Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 248, 244, 0.94);
  backdrop-filter: saturate(1.1) blur(6px);
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  width: var(--wrap);
  margin: 0 auto;
  padding: 0.7rem 0;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.brand { text-decoration: none; color: var(--ink); display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-family: var(--serif); font-size: 1.5rem; letter-spacing: 0.01em; }
.brand-sub { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }

.search { flex: 1; display: flex; max-width: 26rem; }
.search input {
  flex: 1;
  font: inherit;
  font-size: 0.88rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--rule);
  border-right: 0;
  border-radius: var(--radius) 0 0 var(--radius);
  background: var(--card);
  min-width: 0;
}
.search button {
  font: inherit;
  font-size: 0.82rem;
  padding: 0 1rem;
  border: 1px solid var(--ink-blue);
  background: var(--ink-blue);
  color: #fff;
  border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer;
}
.site-nav { display: flex; align-items: center; gap: 1.2rem; }
.site-nav > a { text-decoration: none; color: var(--ink); font-size: 0.92rem; }
.site-nav > a:hover { color: var(--ink-blue); }
.cart-link { position: relative; display: inline-flex; color: var(--ink); }
.cart-count {
  position: absolute;
  top: -0.5rem; right: -0.6rem;
  min-width: 1.1rem; height: 1.1rem;
  padding: 0 0.25rem;
  background: var(--stamp-red);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.66rem;
  border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
}

/* -------------------------------------------------------------------- Cover */
/* Die Typografie skaliert über em relativ zur font-size der jeweiligen
   Größenvariante – so bleibt dasselbe Cover im Regal, im Grid und auf der
   Produktseite stimmig, ohne auf Container-Units angewiesen zu sein. */
.cover {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  aspect-ratio: 2 / 3;
  width: 100%;
  font-size: 16px;
  background: var(--cover-bg, #2b4a6f);
  color: var(--cover-fg, #fff);
  font-family: var(--serif);
  padding: 1.5em 1.25em;
  border-radius: 1px;
  box-shadow: inset 3px 0 6px rgba(0, 0, 0, 0.22),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12), var(--shadow);
  overflow: hidden;
}
.cover-sm { font-size: 15px; }
.cover-lg { font-size: 30px; }
.cover::before {
  content: "";
  position: absolute;
  inset: 0.9em;
  border: 1px solid currentColor;
  opacity: 0.35;
  pointer-events: none;
}
.cover-imprint {
  font-family: var(--mono);
  font-size: 0.6em;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.75;
}
.cover-titel {
  font-size: 1.35em; line-height: 1.18; margin-top: auto;
  hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word;
  max-width: 100%;
}
.cover-rule { width: 2em; height: 1px; background: currentColor; opacity: 0.6; margin: 0.7em 0; }
.cover-autor { font-style: italic; font-size: 0.85em; opacity: 0.92; }

/* --------------------------------------------------------------------- Hero */
.hero {
  width: var(--wrap);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero h1 { margin-bottom: 1.2rem; }
.lede { font-size: 1.1rem; max-width: 32rem; color: var(--ink); }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1.6rem; }
.hero-shelf {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 0;
  padding-bottom: 0.5rem;
}
.hero-shelf .shelf-book { display: block; width: 32%; text-decoration: none; }
.hero-shelf .cover { font-size: 13px; }
.hero-shelf .shelf-book:nth-child(1) { transform: rotate(-4deg) translateY(6px); z-index: 1; }
.hero-shelf .shelf-book:nth-child(2) { transform: translateY(-10px); z-index: 3; margin: 0 -3%; }
.hero-shelf .shelf-book:nth-child(3) { transform: rotate(4deg) translateY(6px); z-index: 2; }

/* ----------------------------------------------------------------- Trustbar */
.trustbar {
  background: var(--paper-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.trustbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.trustbar > div {
  padding: 1rem 1.2rem;
  text-align: center;
  border-left: 1px solid var(--rule);
}
.trustbar > div:first-child { border-left: 0; }
.trustbar strong { display: block; font-size: 0.92rem; }
.trustbar span { font-size: 0.8rem; color: var(--ink-soft); }

/* ----------------------------------------------------------------- Sections */
.section { width: var(--wrap); margin: 0 auto; padding: clamp(2.5rem, 5vw, 3.5rem) 0; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1.6rem; gap: 1rem; }
.section-head h2 { margin: 0; }
.section-more { font-size: 0.9rem; text-decoration: none; white-space: nowrap; }
.section-more:hover { text-decoration: underline; }

.pitch {
  background: var(--ink);
  color: var(--paper);
}
.pitch p {
  width: var(--measure);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  line-height: 1.45;
  text-align: center;
}
.pitch strong { color: #e7c9a0; font-weight: 400; }

/* --------------------------------------------------------------- Book grid */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1.4rem;
}
.book-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.book-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.book-card[hidden] { display: none; }
.book-card-cover {
  display: block;
  padding: 1.6rem 1.6rem 0.4rem;
  background: linear-gradient(180deg, var(--paper-2), var(--card));
}
.book-card-cover .cover { width: min(10rem, 70%); margin: 0 auto; }
.book-card-body { padding: 0.9rem 1.2rem 1.2rem; display: flex; flex-direction: column; flex: 1; }
.book-cat { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--stamp-red); margin: 0 0 0.3rem; }
.book-card-body h3 { margin: 0 0 0.15rem; }
.book-card-body h3 a { color: var(--ink); text-decoration: none; }
.book-card-body h3 a:hover { color: var(--ink-blue); }
.book-author { color: var(--ink-soft); font-size: 0.85rem; margin: 0 0 0.5rem; }
.book-teaser { font-size: 0.9rem; margin: 0 0 1rem; }
.book-card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; }
.price { font-family: var(--mono); font-size: 1rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.book-card-foot .btn-add { white-space: nowrap; flex-shrink: 0; }

/* --------------------------------------------------------- Catalog toolbar */
.catalog-head { margin-bottom: 1.4rem; }
.catalog-head h1 { margin-bottom: 0.2rem; }
.catalog-head p { color: var(--ink-soft); margin: 0; }
.catalog-toolbar {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  flex-wrap: wrap; margin-bottom: 1.8rem;
  padding-bottom: 1.2rem; border-bottom: 1px solid var(--rule);
}
.chips { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.chip {
  font: inherit; font-size: 0.82rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--rule);
  background: var(--card);
  border-radius: 999px;
  cursor: pointer;
  color: var(--ink);
}
.chip:hover { border-color: var(--ink-blue); }
.chip-active { background: var(--ink-blue); color: #fff; border-color: var(--ink-blue); }
.catalog-search {
  font: inherit; font-size: 0.88rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--card);
  min-width: 14rem;
}
.catalog-empty { text-align: center; color: var(--ink-soft); padding: 2rem 0; }

/* ------------------------------------------------------------ Product page */
.breadcrumb { width: var(--wrap); margin: 1.4rem auto 0; font-size: 0.82rem; color: var(--ink-soft); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.product {
  width: var(--wrap);
  margin: 1.4rem auto 0;
  display: grid;
  grid-template-columns: 20rem 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}
.product-cover { position: sticky; top: 5rem; }
.product-cover .cover { width: 100%; }
.product-buy .book-cat { margin-bottom: 0.6rem; }
.product-buy h1 { margin-bottom: 0.3rem; }
.product-author { color: var(--ink-soft); font-size: 1.05rem; margin-bottom: 1.2rem; }
.product-empfehlung {
  font-family: var(--serif); font-style: italic; font-size: 1.15rem;
  border-left: 3px solid var(--stamp-red); padding-left: 1rem;
  color: var(--ink); margin-bottom: 1.6rem;
}
.buybox { border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.4rem; background: var(--card); }
.buybox-price { display: flex; flex-direction: column; margin-bottom: 0.6rem; }
.price-lg { font-size: 1.9rem; }
.price-note { font-size: 0.78rem; color: var(--ink-soft); }
.stock { display: inline-block; font-size: 0.85rem; margin-bottom: 1rem; }
.stock-in { color: var(--ok); }
.stock-low { color: var(--stamp-red); }
.stock-out { color: var(--ink-soft); }
.buybox-actions { display: flex; gap: 0.6rem; margin-bottom: 1.2rem; }
.qty input {
  width: 3.4rem; font: inherit; text-align: center;
  padding: 0.55rem 0.4rem; border: 1px solid var(--rule); border-radius: var(--radius);
  background: var(--paper);
}
.buybox-actions .btn-add { flex: 1; font-size: 0.95rem; padding: 0.55rem 1rem; }
.buybox-perks { list-style: none; padding: 0; margin: 0; font-size: 0.85rem; color: var(--ink-soft); }
.buybox-perks li { padding-left: 1.3rem; position: relative; margin-bottom: 0.3rem; }
.buybox-perks li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); }

.product-detail {
  width: var(--wrap); margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--rule); margin-top: clamp(2.5rem, 5vw, 3.5rem);
}
.product-text p { font-size: 1.05rem; }
.product-facts dl { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1.2rem; margin: 0; font-size: 0.92rem; }
.product-facts dt { color: var(--ink-soft); }
.product-facts dd { margin: 0; font-variant-numeric: tabular-nums; }
.back-link { width: var(--wrap); margin: 0 auto; padding-bottom: 3rem; }
.back-link a { text-decoration: none; }

/* ------------------------------------------------------------------- Cart */
.cart h1, .checkout h1, .confirmed h1, .notfound h1 { margin-bottom: 1.4rem; }
.cart-empty, .checkout-empty { text-align: center; padding: 2rem 0 3rem; }
.cart-empty p, .checkout-empty p { color: var(--ink-soft); margin-bottom: 1.2rem; }
.cart-full { display: grid; grid-template-columns: 1fr 20rem; gap: 2.5rem; align-items: start; }
.cart-lines { border-top: 1px solid var(--rule); }
.cart-line {
  display: grid;
  grid-template-columns: 3rem 1fr auto auto;
  gap: 1rem; align-items: center;
  padding: 1.1rem 0; border-bottom: 1px solid var(--rule);
}
.cart-cover {
  aspect-ratio: 2/3; width: 3rem;
  background: var(--cover-bg); color: var(--cover-fg);
  border-radius: 1px; display: flex; align-items: center; justify-content: center;
  padding: 0.35rem; text-align: center; box-shadow: var(--shadow);
}
.cart-cover-titel { font-family: var(--serif); font-size: 0.5rem; line-height: 1.1; }
.cart-line-titel { font-family: var(--serif); font-size: 1.05rem; margin: 0; }
.cart-line-autor { color: var(--ink-soft); font-size: 0.82rem; margin: 0 0 0.3rem; }
.cart-remove { background: none; border: 0; color: var(--ink-soft); font: inherit; font-size: 0.78rem; text-decoration: underline; cursor: pointer; padding: 0; }
.cart-remove:hover { color: var(--stamp-red); }
.cart-qty { display: inline-flex; align-items: center; border: 1px solid var(--rule); border-radius: var(--radius); }
.cart-qty button { width: 2rem; height: 2rem; border: 0; background: var(--card); font: inherit; font-size: 1.1rem; cursor: pointer; color: var(--ink-blue); }
.cart-qty span { min-width: 2rem; text-align: center; font-family: var(--mono); font-size: 0.9rem; }
.cart-line-preis { font-family: var(--mono); font-variant-numeric: tabular-nums; margin: 0; text-align: right; }

.cart-summary, .checkout-summary {
  background: var(--paper-2); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: 1.4rem;
}
.cart-summary h2, .checkout-summary h2 { font-size: 1.2rem; margin-bottom: 1rem; }
.sum-row { display: flex; justify-content: space-between; font-size: 0.92rem; padding: 0.35rem 0; }
.sum-row span:last-child { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.sum-total { border-top: 1px solid var(--rule); margin-top: 0.4rem; padding-top: 0.7rem; font-size: 1.1rem; font-weight: 600; }
.sum-hint { font-size: 0.78rem; color: var(--ink-soft); margin: 0.6rem 0 1rem; }
.cart-summary .btn-block, .checkout-summary .btn-block { margin-top: 0.4rem; }
.cart-continue { display: block; text-align: center; font-size: 0.85rem; margin-top: 0.8rem; text-decoration: none; }
.cart-continue:hover { text-decoration: underline; }

/* ----------------------------------------------------------------- Checkout */
.checkout-grid { display: grid; grid-template-columns: 1fr 20rem; gap: 2.5rem; align-items: start; }
.checkout-fields fieldset { border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.2rem 1.3rem; margin: 0 0 1.2rem; }
.checkout-fields legend { font-family: var(--serif); font-size: 1.1rem; padding: 0 0.5rem; }
.checkout-fields label { display: block; font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 0.9rem; }
.checkout-fields label.radio { color: var(--ink); font-size: 0.95rem; margin-bottom: 0.5rem; }
.checkout-fields input[type="text"],
.checkout-fields input[type="email"] {
  display: block; width: 100%; font: inherit; margin-top: 0.3rem;
  padding: 0.55rem 0.7rem; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--card);
}
.field-row { display: flex; gap: 1rem; }
.field-plz { width: 8rem; } .field-ort { flex: 1; }
.co-line { display: flex; gap: 0.6rem; font-size: 0.85rem; padding: 0.3rem 0; }
.co-menge { font-family: var(--mono); color: var(--ink-soft); }
.co-titel { flex: 1; }
.co-preis { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.checkout-lines { border-bottom: 1px solid var(--rule); padding-bottom: 0.6rem; margin-bottom: 0.8rem; }
.demo-note { font-size: 0.75rem; color: var(--ink-soft); margin: 0.9rem 0 0; text-align: center; }

/* ---------------------------------------------------------------- Confirmed */
.confirmed { text-align: center; max-width: 38rem; }
.confirmed { width: var(--measure); }
.confirmed-mark {
  width: 3.5rem; height: 3.5rem; margin: 0 auto 1.4rem;
  border-radius: 999px; background: var(--ok); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
}
.confirmed .btn { margin-top: 1rem; }
.notfound .eyebrow { color: var(--stamp-red); }

/* ------------------------------------------------------------------- Footer */
.site-footer { background: var(--ink); color: #c9cfd8; margin-top: 3rem; }
.footer-cols {
  width: var(--wrap); margin: 0 auto; padding: 2.8rem 0 2rem;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem;
}
.footer-brand { font-family: var(--serif); font-size: 1.4rem; color: var(--paper); margin: 0 0 0.6rem; }
.footer-about p { font-size: 0.9rem; max-width: 22rem; }
.footer-col h3 { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: #8891a0; margin: 0 0 0.8rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; font-size: 0.9rem; }
.footer-col li { margin-bottom: 0.45rem; }
.footer-col a { color: #c9cfd8; text-decoration: none; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-base {
  width: var(--wrap); margin: 0 auto; padding: 1.2rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.claim { font-family: var(--serif); font-style: italic; color: #8891a0; margin: 0; }
.build-badge {
  display: inline-flex; margin: 0;
  font-family: var(--mono); font-size: 0.78rem;
  border: 1px solid var(--ink-blue); border-radius: 2px; overflow: hidden;
}
.build-badge .badge-env { padding: 0.15rem 0.5rem; color: #fff; background: var(--ink-blue); }
.build-badge .badge-version { padding: 0.15rem 0.5rem; color: #c9cfd8; }
.build-badge.env-other { border-color: var(--stamp-red); }
.build-badge.env-other .badge-env { background: var(--stamp-red); }
.build-badge.env-other .badge-version { color: #e2b3aa; }

/* -------------------------------------------------------------- Responsive */
@media (max-width: 60rem) {
  .hero { grid-template-columns: 1fr; }
  .hero-shelf { max-width: 22rem; margin: 0 auto; }
  .product { grid-template-columns: 1fr; }
  .product-cover { position: static; max-width: 16rem; margin: 0 auto; }
  .product-detail { grid-template-columns: 1fr; }
  .cart-full, .checkout-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 40rem) {
  .header-inner { flex-wrap: wrap; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .trustbar { grid-template-columns: 1fr 1fr; }
  .trustbar > div:nth-child(3) { border-left: 0; }
  .trustbar > div { border-top: 1px solid var(--rule); }
  .trustbar > div:nth-child(-n + 2) { border-top: 0; }
  .footer-cols { grid-template-columns: 1fr; }
  .catalog-toolbar { align-items: stretch; }
  .catalog-search { min-width: 0; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
  .book-card:hover { transform: none; }
}