/* ==========================================
   BOOK.CSS - Portfolio / Démos
   ========================================== */

.book-hero {
  text-align: center;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
}

.book-hero h1 {
  font-family: 'Loubag', sans-serif;
  font-size: clamp(28px, 5vw, 48px);
  margin-bottom: var(--space-sm);
}

.book-hero p {
  color: var(--color-text-muted);
  font-size: clamp(16px, 2vw, 18px);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Grille projets */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
  padding: 0 var(--space-md) var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

/* Card projet */
.book-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.book-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.book-card-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg);
}

.book-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.book-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  color: var(--color-primary-light);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.book-card-body {
  padding: var(--space-md);
}

.book-card-body h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}

.book-card-desc {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.book-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.book-tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(34, 211, 238, 0.1);
  color: var(--color-primary-light);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

.book-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: gap 0.2s ease;
}

.book-card-link:hover {
  gap: 10px;
}

.book-card-link svg {
  width: 16px;
  height: 16px;
}

/* Catégories */
.book-category {
  max-width: 1200px;
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}

.book-category-title {
  font-family: 'Loubag', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  margin-bottom: 6px;
}

.book-category-desc {
  color: var(--color-text-muted);
  font-size: clamp(14px, 1.8vw, 16px);
  margin-bottom: var(--space-lg);
}

.book-category .book-grid {
  padding: 0;
}

/* CTA bas de page */
.book-cta {
  text-align: center;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.book-cta h2 {
  font-size: clamp(22px, 3vw, 32px);
  margin-bottom: var(--space-sm);
}

.book-cta p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* Mobile */
@media (max-width: 768px) {
  .book-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}