/* --- SLIDER ORIZZONTALE INFINITO --- */
.books-fullwidth-slider {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  background: #f9f8f6;
  padding: 80px 0;
  overflow: hidden;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.slider-header-wrap {
  max-width: 1400px;
  margin: 0 auto 50px;
  padding: 0 40px;
}

/* Track dello scorrimento con maschera sfumata ai lati */
.books-viewport {
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.books-scroll-track {
  display: flex;
  gap: 50px;
  width: max-content;
  animation: infiniteScroll 40s linear infinite; /* Rallentato leggermente per eleganza */
}

.books-scroll-track:hover {
  animation-play-state: paused; /* Si ferma al passaggio del mouse */
}

.book-card {
  width: 220px;
  flex-shrink: 0;
  text-align: center;
  transition: transform 0.4s ease;
}

.book-card img {
  width: 100%;
  height: auto;
  border-radius: 2px;
  box-shadow: 15px 15px 30px rgba(0,0,0,0.15), 0 0 5px rgba(0,0,0,0.05);
  display: block;
}

.book-card span {
  display: block;
  margin-top: 20px;
  font-family: var(--f-sans);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #8b7355;
  font-weight: 600;
}

.book-card:hover {
  transform: translateY(-10px);
}

/* Animazione fluida basata sulla larghezza card + gap */
@keyframes infiniteScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-270px * 5)); } 
}

/* Responsive */
@media (max-width: 768px) {
  .books-fullwidth-slider { padding: 40px 0; }
  .journal-section-title { font-size: 28px; }
  .book-card { width: 160px; }
  @keyframes infiniteScroll {
    100% { transform: translateX(calc(-210px * 5)); }
  }
}