/* ========== BOOK PAGE ========== */

/* Bouton retour (hérité de style-pages.css si présent, sinon défini ici) */
.btn-retour {
  position: fixed;
  top: clamp(16px, 3vw, 28px);
  left: clamp(16px, 3vw, 36px);
  z-index: 1000;
  color: var(--White);
  text-decoration: none;
  font-size: var(--text-size-1);
  padding: 0.45em 1.1em;
  background: rgba(15, 15, 26, 0.6);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(0, 255, 255, 0.18);
  border-radius: 100px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-retour:hover {
  border-color: rgba(0, 255, 255, 0.6);
  box-shadow: 0 0 18px rgba(0, 255, 255, 0.25);
  color: #00ffff;
}

/* ========== Page container ========== */
.page-book {
  min-height: 100vh;
  padding: clamp(80px, 9vw, 120px) clamp(52px, 7vw, 120px) clamp(60px, 8vw, 100px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(48px, 7vw, 100px);
  position: relative;
  z-index: 1;
}

/* ========== Hero ========== */
.book-hero {
  display: grid;
  grid-template-columns: 1fr 42%;
  align-items: center;
  gap: clamp(40px, 6vw, 100px);
  width: 100%;
  min-height: 75vh;
}

.book-hero-text {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.2vw, 28px);
  padding-left: clamp(48px, 5vw, 100px);
}

.book-hero-logo {
  height: clamp(340px, 65vh, 700px);
  position: relative;
  filter: drop-shadow(0 0 40px rgba(0, 255, 255, 0.18))
          drop-shadow(0 0 100px rgba(0, 255, 255, 0.08));
  animation: heroLogoGlow 4s ease-in-out infinite;
}

@keyframes heroLogoGlow {
  0%, 100% {
    filter: drop-shadow(0 0 40px rgba(0, 255, 255, 0.18))
            drop-shadow(0 0 100px rgba(0, 255, 255, 0.08));
  }
  50% {
    filter: drop-shadow(0 0 55px rgba(0, 255, 255, 0.28))
            drop-shadow(0 0 130px rgba(0, 255, 255, 0.12));
  }
}

.book-hero-logo canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

@media (max-width: 900px) {
  .book-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: clamp(28px, 5vw, 48px);
  }
  .book-hero-text {
    padding-left: 0;
    align-items: center;
    text-align: center;
  }
  .book-hero-logo {
    height: clamp(240px, 50vw, 360px);
    order: -1;
  }
  .book-stats {
    justify-content: center;
  }
  .book-titre-quinquonce {
    align-items: center;
  }
  .quinquonce-mot {
    padding-left: 0 !important;
  }
  .book-titre-quinquonce:hover .quinquonce-mot {
    padding-left: 0 !important;
  }
}

.book-label {
  font-size: var(--text-size-1);
  color: #00ffff;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.8;
}

.book-titre-quinquonce {
  display: flex;
  flex-direction: column;
  gap: clamp(2px, 0.5vw, 8px);
  align-items: flex-start;
}

.quinquonce-mot {
  display: block;
  font-size: var(--text-size-SubTitle);
  color: var(--White);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  padding-left: calc(var(--offset) * clamp(30px, 5vw, 80px));
  transition: padding-left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-titre-quinquonce:hover .quinquonce-mot {
  padding-left: calc(var(--offset) * clamp(40px, 6vw, 100px));
}

/* Stats */
.book-stats {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.2vw, 18px);
  flex-wrap: nowrap;
  justify-content: flex-start;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-value {
  font-size: clamp(1rem, 1.5vw, 1.45rem);
  color: var(--White);
  font-weight: 400;
  white-space: nowrap;
}

.stat-label {
  font-size: clamp(0.62rem, 0.72vw, 0.75rem);
  color: var(--LightGrey);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.stat-sep {
  width: 1px;
  height: clamp(22px, 2.5vw, 34px);
  background: rgba(0, 255, 255, 0.25);
  flex-shrink: 0;
}

/* ========== Filtres ========== */
.book-filtres {
  display: flex;
  gap: clamp(8px, 1.5vw, 16px);
  flex-wrap: wrap;
  justify-content: center;
}

.filtre-btn {
  background: rgba(15, 15, 26, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--LightGrey);
  font-family: "PPNeue Montreal Regular", monospace;
  font-size: var(--text-size-0);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.5em 1.4em;
  border-radius: 100px;
  cursor: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.filtre-btn:hover,
.filtre-btn.active {
  border-color: rgba(0, 255, 255, 0.6);
  color: #00ffff;
  box-shadow: 0 0 14px rgba(0, 255, 255, 0.2);
}

/* ========== Grille photos — galerie ========== */
.book-grille {
  width: 100%;
  max-width: 1200px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0;
}

.serie {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 12px;
}

/* ── Espacement entre séries ── */
.serie:nth-child(1) { margin-bottom: 120px; }
.serie:nth-child(2) { margin-bottom: 120px; }
.serie:nth-child(3) { margin-bottom: 140px; }
.serie:nth-child(4) { margin-bottom: 100px; }
.serie:nth-child(5) { margin-bottom: 100px; }
.serie:nth-child(6) { margin-bottom: 130px; }
.serie:nth-child(7) { margin-bottom: 0; }

/* ── Wasted : triptych symétrique — 1 et 3 alignés, 2 au centre ── */
.serie:nth-child(1) .book-photo:nth-child(1) { grid-column: 1 / 5;  margin-top: 50px; }
.serie:nth-child(1) .book-photo:nth-child(2) { grid-column: 6 / 9;  margin-top: 140px; }
.serie:nth-child(1) .book-photo:nth-child(3) { grid-column: 9 / 13; margin-top: 50px; }

/* ── Bleu : petite gauche décalée / grande droite ── */
.serie:nth-child(2) .book-photo:nth-child(1) { grid-column: 1 / 5;  margin-top: 90px; }
.serie:nth-child(2) .book-photo:nth-child(2) { grid-column: 6 / 10; }

/* ── RL : trio étalé avec rythme ── */
.serie:nth-child(3) .book-photo:nth-child(1) { grid-column: 1 / 5; }
.serie:nth-child(3) .book-photo:nth-child(2) { grid-column: 5 / 9;  margin-top: 70px; }
.serie:nth-child(3) .book-photo:nth-child(3) { grid-column: 9 / 13; margin-top: 20px; }

/* ── Bain : grande centrée-gauche / petite bas-droite ── */
.serie:nth-child(4) .book-photo:nth-child(1) { grid-column: 1 / 6; }
.serie:nth-child(4) .book-photo:nth-child(2) { grid-column: 9 / 13; margin-top: 130px; }

/* ── Divers : duo décalé ── */
.serie:nth-child(5) .book-photo:nth-child(1) { grid-column: 2 / 6;  margin-top: 70px; }
.serie:nth-child(5) .book-photo:nth-child(2) { grid-column: 7 / 12; }

/* ── Photo 9 seule : remontée pour chevaucher ── */
.serie-solo {
  margin-top: -350px;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
}
.serie-solo .book-photo { grid-column: 4 / 10; }

/* ── Guitare ── */
.serie:nth-child(7) .book-photo:nth-child(1) { grid-column: 1 / 6;  margin-top: 60px; }
.serie:nth-child(7) .book-photo:nth-child(2) { grid-column: 6 / 9; }
.serie:nth-child(7) .book-photo:nth-child(3) { grid-column: 9 / 13; margin-top: 90px; }

.book-photo {
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  cursor: none;
}

.photo-inner {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: border-color 0.3s ease;
}

.book-photo:hover .photo-inner {
  border-color: rgba(0, 255, 255, 0.25);
}

/* Images : proportions naturelles, aucun rognage */
.photo-inner img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
  background: var(--Grey);
}

.book-photo:hover .photo-inner img {
  transform: scale(1.04);
  filter: brightness(0.55);
}

.photo-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.book-photo:hover .photo-overlay {
  opacity: 1;
}

.photo-cat {
  font-size: var(--text-size-0);
  color: #00ffff;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.photo-label {
  display: block;
  margin-top: 8px;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  text-align: right;
}

.photo-overlay i {
  font-size: var(--text-size-2);
  color: var(--White);
  opacity: 0.7;
}

/* État filtré - masqué */
.book-photo.masque {
  display: none;
}

/* ========== Contact ========== */
.book-contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(16px, 2vw, 24px);
  padding-top: clamp(20px, 3vw, 40px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
  max-width: 1200px;
}

.book-contact-label {
  font-size: var(--text-size-1);
  color: var(--LightGrey);
  text-align: center;
  letter-spacing: 0.05em;
}

.book-contact-btn {
  display: inline-block;
  padding: 0.7em 2.2em;
  border: 1px solid rgba(0, 255, 255, 0.4);
  border-radius: 100px;
  color: #00ffff;
  text-decoration: none;
  font-size: var(--text-size-1);
  letter-spacing: 0.1em;
  background: rgba(0, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-contact-btn:hover {
  background: rgba(0, 255, 255, 0.12);
  border-color: rgba(0, 255, 255, 0.8);
  box-shadow: 0 0 24px rgba(0, 255, 255, 0.3);
}

/* ========== Lightbox ========== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 32px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img-wrapper {
  position: relative;
  max-width: min(80vw, 900px);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border: 1px solid rgba(0, 255, 255, 0.15);
  border-radius: 4px;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.8);
}

.lightbox-cat {
  font-size: var(--text-size-0);
  color: #00ffff;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.lightbox-close {
  position: fixed;
  top: clamp(16px, 3vw, 28px);
  right: clamp(16px, 3vw, 28px);
  background: rgba(15, 15, 26, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  width: clamp(36px, 4vw, 50px);
  height: clamp(36px, 4vw, 50px);
  color: var(--White);
  font-size: var(--text-size-1);
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 5001;
}

.lightbox-close:hover {
  border-color: rgba(0, 255, 255, 0.6);
  color: #00ffff;
}

.lightbox-nav {
  background: rgba(15, 15, 26, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  width: clamp(40px, 5vw, 60px);
  height: clamp(40px, 5vw, 60px);
  color: var(--White);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.lightbox-nav:hover {
  border-color: rgba(0, 255, 255, 0.6);
  color: #00ffff;
  box-shadow: 0 0 16px rgba(0, 255, 255, 0.2);
}

.lightbox-counter {
  position: fixed;
  bottom: clamp(16px, 3vw, 28px);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-size-0);
  color: var(--LightGrey);
  letter-spacing: 0.1em;
}

/* ========== Animation hidden/visible ========== */
.hidden {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.hidden.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .serie {
    grid-template-columns: repeat(6, 1fr);
  }

  .serie-solo {
    margin-top: 20px;
  }

  .serie-solo .book-photo { grid-column: 2 / 6; }

  .serie:nth-child(1) .book-photo:nth-child(1) { grid-column: 1 / 3; margin-top: 20px; }
  .serie:nth-child(1) .book-photo:nth-child(2) { grid-column: 3 / 5; margin-top: 0; }
  .serie:nth-child(1) .book-photo:nth-child(3) { grid-column: 5 / 7; margin-top: 20px; }

  .serie:nth-child(2) .book-photo:nth-child(1) { grid-column: 1 / 4; margin-top: 40px; }
  .serie:nth-child(2) .book-photo:nth-child(2) { grid-column: 4 / 7; margin-top: 0; }

  .serie:nth-child(3) .book-photo:nth-child(1) { grid-column: 1 / 3; margin-top: 0; }
  .serie:nth-child(3) .book-photo:nth-child(2) { grid-column: 3 / 5; margin-top: 30px; }
  .serie:nth-child(3) .book-photo:nth-child(3) { grid-column: 5 / 7; margin-top: 10px; }

  .serie:nth-child(4) .book-photo:nth-child(1) { grid-column: 1 / 4; margin-top: 0; }
  .serie:nth-child(4) .book-photo:nth-child(2) { grid-column: 4 / 7; margin-top: 60px; }

  .serie:nth-child(5) .book-photo:nth-child(1) { grid-column: 1 / 4; margin-top: 30px; }
  .serie:nth-child(5) .book-photo:nth-child(2) { grid-column: 4 / 7; margin-top: 0; }

  .serie:nth-child(7) .book-photo:nth-child(1) { grid-column: 1 / 3; margin-top: 20px; }
  .serie:nth-child(7) .book-photo:nth-child(2) { grid-column: 3 / 5; margin-top: 0; }
  .serie:nth-child(7) .book-photo:nth-child(3) { grid-column: 5 / 7; margin-top: 40px; }
}

@media (max-width: 550px) {
  .book-grille { grid-template-columns: 1fr; }

  .serie {
    grid-template-columns: 1fr 1fr;
    margin-bottom: 40px !important;
  }

  .serie-solo {
    margin-top: 0 !important;
    margin-bottom: 40px !important;
  }

  .serie-solo .book-photo { grid-column: 1 / 3 !important; }

  .serie .book-photo {
    grid-column: auto !important;
    margin-top: 0 !important;
  }

  .serie:nth-child(7) .book-photo:nth-child(3) {
    grid-column: 2 / 3 !important;
  }

  .stat-sep {
    display: none;
  }

  .book-stats {
    flex-wrap: wrap;
    gap: 8px 16px;
    justify-content: center;
  }

  .lightbox-nav {
    display: none;
  }

  .lightbox-img-wrapper {
    max-width: 95vw;
  }
}