/* The library: a dark reading-room wall of book covers. */

.library-body {
  color: var(--cream);
  background:
    radial-gradient(circle at 80% -10%, rgba(178, 139, 69, 0.16), transparent 36rem),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0, rgba(255, 255, 255, 0.025) 1px, transparent 1px, transparent 9px),
    linear-gradient(rgba(23, 21, 18, 0.92), rgba(23, 21, 18, 0.97)),
    var(--walnut);
}

.library-hero {
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1.25rem, 5vw, 3rem) clamp(1.5rem, 4vw, 2.5rem);
}

.hero-inner {
  max-width: 68rem;
  margin: 0 auto;
}

.crown-mark {
  color: var(--rubric);
  font-size: 2.4rem;
  line-height: 1;
}

.hero-kicker {
  margin-top: 0.7rem;
  color: #dfd0bc;
}

.library-hero h1 {
  margin: 0.1rem 0 0;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.01em;
}

.hero-line {
  max-width: 26rem;
  margin: 1.1rem 0 0;
  color: #df725f;
  font-family: var(--serif);
  font-size: clamp(1.02rem, 2.4vw, 1.2rem);
  line-height: 1.5;
}

.library-main {
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem) clamp(2rem, 5vw, 3.5rem);
  display: grid;
  gap: clamp(2.2rem, 5vw, 3.4rem);
}

.shelf-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 1.2rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.shelf-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
}

.shelf-heading p {
  margin: 0;
  color: var(--cream-muted);
  font-size: 0.85rem;
}

.shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: clamp(1rem, 2.6vw, 1.8rem);
}

/* ============ Book covers ============ */

.book {
  position: relative;
  display: grid;
  text-decoration: none;
  color: var(--cream);
  border-radius: 4px 10px 10px 4px;
  background:
    linear-gradient(105deg, rgba(0, 0, 0, 0.35) 0, rgba(0, 0, 0, 0) 9%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 4px),
    var(--book-cloth, #3a2a24);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 38px rgba(8, 6, 4, 0.5), inset 0 0 0 1px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

a.book:hover,
a.book:focus-visible {
  transform: translateY(-5px);
  box-shadow: 0 26px 48px rgba(8, 6, 4, 0.6), inset 0 0 0 1px rgba(0, 0, 0, 0.25);
  outline-offset: 5px;
}

.book-board {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.9rem;
  min-height: 21rem;
  margin: 0.85rem;
  padding: 1.1rem 1rem 1rem;
  border: 1px solid rgba(212, 175, 117, 0.5);
  box-shadow: inset 0 0 0 3px var(--book-cloth, #3a2a24), inset 0 0 0 4px rgba(212, 175, 117, 0.35);
  text-align: center;
}

.book-kind {
  color: rgba(228, 204, 165, 0.85);
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.book-title-wrap {
  display: grid;
  align-content: center;
  gap: 0.8rem;
  justify-items: center;
}

.book-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 2.2vw, 2.05rem);
  font-weight: 500;
  line-height: 1.08;
  text-wrap: balance;
}

.book-image {
  width: 72%;
  aspect-ratio: 5 / 3.4;
  object-fit: cover;
  border: 1px solid rgba(212, 175, 117, 0.45);
  filter: sepia(0.25) contrast(0.95) brightness(0.94);
}

.book-flourish {
  color: rgba(212, 175, 117, 0.75);
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.45em;
}

.book-foot {
  display: grid;
  gap: 0.55rem;
  justify-items: center;
}

.book-tagline {
  margin: 0;
  color: rgba(247, 240, 228, 0.78);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  line-height: 1.4;
}

.book-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.1rem;
  padding: 0.3rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff3e0;
  background: var(--rubric-deep);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
}

.book-cta svg {
  width: 0.85rem;
  height: 0.85rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.book-year {
  color: rgba(228, 204, 165, 0.7);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

/* Coming-soon covers sit quieter on the shelf. */
.shelf-soon .book {
  opacity: 0.78;
}

.shelf-soon .book-board {
  min-height: 15.5rem;
}

.book-ribbon {
  position: absolute;
  top: 1.05rem;
  right: -2.6rem;
  width: 9.5rem;
  padding: 0.28rem 0;
  text-align: center;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #1d160f;
  background: var(--gold);
  transform: rotate(38deg);
}

.library-footer {
  padding: 1.4rem clamp(1.25rem, 5vw, 3rem) calc(1.6rem + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.library-footer p {
  max-width: 68rem;
  margin: 0 auto;
  color: #8d8172;
  font-size: 0.74rem;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .shelf {
    grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  }

  .book-board { min-height: 18rem; }
  .shelf-soon .book-board { min-height: 12.5rem; }
  .shelf-soon .book-tagline { display: none; }
}