/**
 * livres.css — Page « Livres »
 * Hero (texte + fan de 3 couvertures) · Mot d'Ilios · Bibliographie filtrable.
 */

/* ══════════════════════════════════════════════════════════════════════════
   COUVERTURE DE LIVRE (réutilisable : fan + grille)
   ══════════════════════════════════════════════════════════════════════════ */
.book-cover {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1.42;
  background: var(--cover, var(--c-soft));
  border-radius: 3px;
  padding: 12% 14%;
  text-align: center;
  box-shadow: 0 14px 30px -16px rgba(20,60,44,0.4);
}
.book-cover.is-dark  { color: #2C3A31; }
.book-cover.is-light { color: #ECE6D5; }

.book-cover__title {
  font-family: var(--f-serif);
  font-size: clamp(14px, 1.15vw, 17px);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: -0.01em;
}
.book-cover__title em { font-style: italic; }
.book-cover.is-dark  .book-cover__title em { color: #5E8C66; }
.book-cover.is-light .book-cover__title em { color: #A9C98C; }

.book-cover__pub {
  font-family: var(--f-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-top: 14px;
}

/* Couverture avec vraie photo */
.book-cover--photo {
  padding: 0;
  overflow: hidden;
  background: var(--c-soft);
}
.book-cover--photo .book-cover__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}


/* ══════════════════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════════════════ */
.livres-hero {
  background: var(--c-cream);
  padding-top: calc(var(--nav-pad-y) + 60px);
}
.livres-hero__inner {
  display: grid;
  grid-template-columns: 1fr 520px;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) var(--nav-pad-x) clamp(56px, 7vw, 96px);
}

.livres-headline {
  font-family: var(--f-serif);
  font-size: clamp(48px, 7.2vw, 100px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--c-hero-deep);
  margin: 0 0 var(--space-6);
}
.livres-headline em {
  font-style: italic;
  font-weight: 300;
  color: var(--c-primary);
}

.livres-hero__intro {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(15px, 1.3vw, 19px);
  line-height: 1.6;
  color: var(--c-mute);
  max-width: 46ch;
  margin: 0 0 var(--space-8);
}

.livres-hero__cta {
  display: inline-flex;
  align-items: center;
  font-family: var(--f-sans);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  background: var(--c-hero);
  padding: 15px 30px;
  border-radius: var(--radius-btn);
  transition: background var(--duration-fast) var(--ease),
              transform var(--duration-fast) var(--ease);
}
.livres-hero__cta:hover { background: var(--c-hero-deep); transform: translateY(-1px); }

.livres-hero__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: var(--space-12);
  font-family: var(--f-sans);
  font-size: 14px;
  color: var(--c-mute);
}
.livres-stat-sep { color: var(--c-primary); opacity: 0.6; }
.livres-stat em {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--c-text);
}

/* ── Fan de 3 couvertures ── */
.livres-fan {
  position: relative;
  height: clamp(300px, 32vw, 440px);
}
.book-cover--fan {
  position: absolute;
  top: 0;
  width: clamp(180px, 16vw, 240px);
  aspect-ratio: 1 / 1.3;
  box-shadow: 0 30px 60px -24px rgba(20,60,44,0.45);
  transition:
    transform var(--duration-base) var(--ease),
    box-shadow var(--duration-base) var(--ease),
    z-index 0s;
  cursor: pointer;
}
.book-cover--fan.is-left {
  left: 50%;
  transform: translateX(-92%) rotate(-9deg);
  top: 30px;
  z-index: 1;
}
.book-cover--fan.is-center {
  left: 50%;
  transform: translateX(-50%) translateY(-14px);
  z-index: 3;
}
.book-cover--fan.is-right {
  left: 50%;
  transform: translateX(-8%) rotate(9deg);
  top: 30px;
  z-index: 2;
}

/* Hover — redresse et soulève la couverture */
.book-cover--fan.is-left:hover {
  transform: translateX(-92%) rotate(-3deg) translateY(-12px);
  box-shadow: 0 40px 70px -24px rgba(20,60,44,0.55);
  z-index: 4;
}
.book-cover--fan.is-center:hover {
  transform: translateX(-50%) translateY(-26px);
  box-shadow: 0 40px 70px -24px rgba(20,60,44,0.55);
  z-index: 4;
}
.book-cover--fan.is-right:hover {
  transform: translateX(-8%) rotate(3deg) translateY(-12px);
  box-shadow: 0 40px 70px -24px rgba(20,60,44,0.55);
  z-index: 4;
}


/* ══════════════════════════════════════════════════════════════════════════
   MOT D'ILIOS
   ══════════════════════════════════════════════════════════════════════════ */
.livres-word {
  background: var(--c-cream); /* #F4EFE3 */
}
.livres-word__inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(32px, 5vw, 80px);
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(64px, 9vw, 130px) var(--nav-pad-x);
}
.livres-word__aside { padding-top: 6px; }
.livres-word__quote {
  display: block;
  font-family: var(--f-serif);
  font-size: 56px;
  line-height: 0.6;
  color: var(--c-primary);
  margin-bottom: 18px;
}
.livres-word__label {
  font-family: var(--f-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-mute);
}
.livres-word__body p {
  font-family: var(--f-serif);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.62;
  color: var(--c-text);
  margin: 0 0 1.1em;
}
.livres-word__body em { font-style: italic; color: var(--c-primary); }
.livres-word__sign {
  font-style: italic;
  font-size: 16px !important;
  color: var(--c-mute) !important;
  margin-top: 1.6em !important;
}


/* ══════════════════════════════════════════════════════════════════════════
   BIBLIOGRAPHIE
   ══════════════════════════════════════════════════════════════════════════ */
.livres-biblio { background: var(--c-cream); }
.livres-biblio .eyebrow { color: #3B8B5C; }

.livres-biblio__header {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 64px;
  align-items: end;
  margin-bottom: var(--space-8);
}
.livres-biblio__headline {
  font-family: var(--f-serif);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-hero-deep);
  margin: 12px 0 0;
}
.livres-biblio__headline em { font-style: italic; font-weight: 300; color: var(--c-primary); }
.livres-biblio__intro {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-mute);
  margin: 0;
}

/* ── Filtres + tri ── */
.livres-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  margin-bottom: var(--space-12);
}
.livres-filters__group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.livres-filters__label,
.livres-sort__label {
  font-family: var(--f-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-mute);
  margin-right: 6px;
}
.livres-filter {
  font-family: var(--f-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 18px;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease),
              color var(--duration-fast) var(--ease);
}
.livres-filter:hover { background: rgba(20,60,44,0.05); }
.livres-filter.is-active {
  background: var(--c-accent);
  color: var(--c-hero-deep);
  font-weight: 600;
}
.livres-filters__count {
  font-family: var(--f-sans);
  font-size: 13px;
  color: var(--c-mute);
  margin-left: 8px;
}
.livres-filters__count strong { color: var(--c-hero-deep); font-weight: 600; }

.livres-sort { display: flex; align-items: center; gap: 6px; }
.livres-sort__btn {
  font-family: var(--f-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-mute);
  background: transparent;
  border: 0;
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 6px;
  transition: color var(--duration-fast) var(--ease);
}
.livres-sort__btn:hover { color: var(--c-hero-deep); }
.livres-sort__btn.is-active { color: var(--c-hero-deep); font-weight: 600; }

/* ── Grille ── */
.livres-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(24px, 2.5vw, 40px) clamp(20px, 2vw, 32px);
}
.livre-card { min-width: 0; }
.livre-card__link {
  display: block;
  width: 100%;
  text-align: left;
  text-decoration: none;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.livre-card__link:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 4px;
  border-radius: 4px;
}
.livre-card__cover-wrap {
  position: relative;
  display: block;
  margin-bottom: 16px;
  transition: transform var(--duration-base) var(--ease);
}
.livre-card .book-cover {
  transition: box-shadow var(--duration-base) var(--ease);
}
.livre-card__link:hover .livre-card__cover-wrap,
.livre-card__link:focus-visible .livre-card__cover-wrap {
  transform: translateY(-4px);
}
.livre-card__link:hover .book-cover,
.livre-card__link:focus-visible .book-cover {
  box-shadow: 0 26px 44px -22px rgba(20,60,44,0.5);
}

/* ── Survol : synopsis + « Lire la fiche » ── */
.livre-card__synopsis {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  padding: 20px 20px 18px;
  border-radius: 3px;
  background: rgba(20,60,44,0.95);
  color: #ECE6D5;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease),
              visibility var(--duration-base) var(--ease);
}
.livre-card__link:hover .livre-card__synopsis,
.livre-card__link:focus-visible .livre-card__synopsis {
  opacity: 1;
  visibility: visible;
}
.livre-card__synopsis-label {
  position: relative;
  padding-left: 26px;
  font-family: var(--f-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-accent);
}
.livre-card__synopsis-label::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 16px; height: 1px;
  background: var(--c-accent);
}
.livre-card__synopsis-text {
  flex: 1 1 auto;
  overflow: hidden;
  margin-top: 14px;
  font-family: var(--f-serif);
  font-size: 13px;
  line-height: 1.5;
  color: #ECE6D5;
}
.livre-card__fiche-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid rgba(236,230,213,0.22);
  font-family: var(--f-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ECE6D5;
}
.livre-card__fiche-link span { transition: transform var(--duration-fast) var(--ease); }
.livre-card__link:hover .livre-card__fiche-link span { transform: translateX(4px); }

.book-badge {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
  font-family: var(--f-sans);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 4px;
}
.book-badge--grand-public { background: var(--c-accent); color: var(--c-hero-deep); }
.book-badge--professionnel { background: var(--c-hero-deep); color: #ECE6D5; }
.book-badge--collectif { background: var(--c-warm-soft); color: var(--c-warm); }

.livre-card__title {
  display: block;
  font-family: var(--f-serif);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--c-hero-deep);
  margin-bottom: 6px;
}
.livre-card__meta {
  display: block;
  font-family: var(--f-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text);
}

/* Carte masquée par le filtre */
.livre-card[hidden] { display: none; }

.livres-empty {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--c-mute);
  text-align: center;
  padding: 48px 0;
}


/* ══════════════════════════════════════════════════════════════════════════
   FICHE LIVRE — MODALE
   ══════════════════════════════════════════════════════════════════════════ */
body.livre-modal-open { overflow: hidden; }

.livre-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
}
.livre-modal[hidden] { display: none; }

.livre-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(18,40,30,0.55);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  animation: fiche-fade 0.25s var(--ease);
}
.livre-modal__dialog {
  position: relative;
  width: min(1180px, 100%);
  max-height: calc(100vh - 2 * clamp(16px, 4vw, 48px));
  overflow: auto;
  border-radius: 16px;
  background: var(--c-cream);
  box-shadow: 0 40px 100px -30px rgba(18,40,30,0.55);
  animation: fiche-rise 0.3s var(--ease);
}
.livre-modal__close {
  position: absolute;
  top: 22px; right: 22px;
  z-index: 4;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: rgba(20,60,44,0.07);
  color: var(--c-hero-deep);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease),
              transform var(--duration-fast) var(--ease);
}
.livre-modal__close:hover { background: rgba(20,60,44,0.14); transform: rotate(90deg); }

@keyframes fiche-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes fiche-rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

/* ── Contenu : couverture (gauche) + détail (droite) ── */
.fiche {
  display: grid;
  grid-template-columns: 470px 1fr;
}
.fiche__cover-col {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(40px, 5vw, 72px);
  background: var(--c-soft);
}
.fiche__cover-col .book-cover {
  width: min(280px, 72%);
  aspect-ratio: 1 / 1.42;
  box-shadow: 0 30px 60px -22px rgba(20,60,44,0.45);
}
.fiche__cover-col .book-cover__title { font-size: clamp(16px, 1.4vw, 20px); }

.fiche__detail {
  padding: clamp(40px, 4vw, 64px) clamp(32px, 4vw, 60px);
}
.fiche__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-primary);
}
.fiche__eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: currentColor;
  flex-shrink: 0;
}
.fiche__title {
  margin: 18px 0 0;
  font-family: var(--f-serif);
  font-size: clamp(34px, 3.4vw, 52px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-hero-deep);
}
.fiche__title em { font-style: italic; color: var(--c-primary); }

.fiche__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin: 18px 0 0;
  font-family: var(--f-sans);
  font-size: 14px;
  color: var(--c-mute);
}
.fiche__meta strong { color: var(--c-text); font-weight: 600; margin-left: 5px; }

.fiche__rule {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: 26px 0;
}
.fiche__desc p {
  margin: 0 0 1em;
  font-family: var(--f-serif);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.62;
  color: var(--c-text);
}
.fiche__desc em { font-style: italic; color: var(--c-primary); }

.fiche__credits-label {
  display: block;
  margin-top: 18px;
  font-family: var(--f-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-mute);
}
.fiche__credits {
  margin: 8px 0 0;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-text);
}
.fiche__credits em { color: var(--c-primary); font-style: italic; }

/* ── Bloc « Acheter » ── */
.fiche__buy {
  margin-top: 28px;
  padding: 22px;
  background: var(--c-cream-deep);
  border-radius: 12px;
}
.fiche__buy-label {
  display: block;
  max-width: 36ch;
  margin-bottom: 14px;
  font-family: var(--f-sans);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mute);
}
.fiche__buy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fiche__buy-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid transparent;
  border-radius: 10px;
  text-decoration: none;
  transition: transform var(--duration-fast) var(--ease),
              box-shadow var(--duration-fast) var(--ease),
              border-color var(--duration-fast) var(--ease);
}
.fiche__buy-link:hover {
  transform: translateX(2px);
  border-color: var(--c-accent);
  box-shadow: 0 12px 26px -18px rgba(20,60,44,0.6);
}
.fiche__buy-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--c-soft);
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--c-primary);
  transition: background var(--duration-fast) var(--ease),
              color var(--duration-fast) var(--ease);
}
.fiche__buy-link:hover .fiche__buy-num {
  background: var(--c-accent);
  color: var(--c-hero-deep);
}
.fiche__buy-name {
  font-family: var(--f-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-hero-deep);
}
.fiche__buy-loc {
  margin-left: auto;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--c-mute);
}
.fiche__buy-arrow {
  color: var(--c-mute);
  font-size: 15px;
  transition: transform var(--duration-fast) var(--ease);
}
.fiche__buy-link:hover .fiche__buy-arrow { transform: translateX(3px); color: var(--c-primary); }


/* ══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .livres-hero__inner { grid-template-columns: 1fr 380px; }
  .livres-biblio__header { grid-template-columns: 1fr; gap: 20px; align-items: start; }
  .livres-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .livres-hero__inner { grid-template-columns: 1fr; }
  .livres-hero__right { order: -1; }
  .livres-fan { height: 360px; margin: 0 auto; max-width: 480px; }
  .livres-word__inner { grid-template-columns: 1fr; gap: 24px; }

  .fiche { grid-template-columns: 1fr; }
  .fiche__cover-col { padding: clamp(36px, 8vw, 56px); }
  .fiche__cover-col .book-cover { width: min(220px, 60%); }
}

/* ── Mobile selects (cachés sur desktop) ── */
.livres-filters-mobile { display: none; }

.mobile-select {
  appearance: none;
  -webkit-appearance: none;
  font-family: var(--f-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-hero-deep);
  background: var(--c-cream) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%233A4A41' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  padding: 9px 36px 9px 16px;
  cursor: pointer;
  flex: 1;
}
.mobile-select:focus { outline: 2px solid var(--c-primary); outline-offset: 2px; }

@media (max-width: 600px) {
  .livres-grid { grid-template-columns: repeat(2, 1fr); }
  .livres-filters { display: none; }
  .livres-filters-mobile { display: flex; gap: 10px; margin-bottom: var(--space-12); }
  .livres-hero__cta { width: 100%; justify-content: center; }

  .livre-modal { padding: 8px; align-items: flex-start; }
  .livre-modal__dialog { max-height: calc(100vh - 16px); border-radius: 12px; }
  .fiche__cover-col { padding: 24px 16px; }
  .fiche__cover-col .book-cover { width: min(160px, 50%); }
  .fiche__detail { padding: 24px 20px; }
  .fiche__title { font-size: clamp(24px, 6vw, 32px); }
  .fiche__buy-list { flex-direction: row; flex-wrap: wrap; gap: 8px; }
  .fiche__buy-link { flex: 1; min-width: 120px; padding: 10px 12px; }
  .fiche__buy-arrow { display: none; }
  .fiche__buy-loc { display: none; }
}