/* ════════════════════════════════════════════════════════════════════════
   PAGE PRODUIT PREMIUM — extras (.lxp-)
   S'appuie sur landing.css (.lx-*) pour les tokens et composants communs.
   Ajoute : hero produit, livre 3D, carte prix, sommaire, extraits.
   ════════════════════════════════════════════════════════════════════════ */

/* ── HERO PRODUIT ─────────────────────────────────────────────── */
.lxp-hero { position: relative; overflow: hidden; background: var(--lx-bg); padding: 7rem 0 3rem; }
@media (min-width: 768px) { .lxp-hero { padding: 8.5rem 0 4rem; } }
.lxp-hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.lxp-hero__grid { position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 60% 0%, #000 35%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 55% at 60% 0%, #000 35%, transparent 75%); }

.lxp-hero__inner { position: relative; z-index: 1; display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 980px) { .lxp-hero__inner { grid-template-columns: 1.05fr .95fr; } }
.lxp-hero__title { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.05; letter-spacing: -.03em; margin: 1.3rem 0 0; }
.lxp-hero__lead { margin-top: 1.3rem; color: var(--lx-muted); font-size: clamp(1.02rem, 2.3vw, 1.2rem); line-height: 1.65; max-width: 34rem; }
.lxp-hero__lead strong { color: #e2e8f0; font-weight: 600; }
.lxp-hero__cta { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; align-items: center; }
.lxp-hero__price { display: flex; align-items: baseline; gap: .5rem; }
.lxp-hero__price b { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 2rem;
  background: var(--lx-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.lxp-hero__price span { color: var(--lx-muted-2); font-size: .82rem; }

/* ── LIVRE 3D (hero) ──────────────────────────────────────────── */
.lxp-stage { position: relative; display: flex; justify-content: center; align-items: center; min-height: 380px; perspective: 1500px; }
.lxp-book { position: relative; width: min(280px, 72vw); aspect-ratio: 3/4; border-radius: 16px;
  background: linear-gradient(150deg, var(--bk1, #1e293b), var(--bk2, #0f172a));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 50px 90px -30px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.08);
  padding: 1.8rem; display: flex; flex-direction: column; justify-content: space-between;
  transform: rotateY(-18deg) rotateX(7deg); transform-style: preserve-3d;
  transition: transform .2s ease-out; animation: lxpFloat 7s ease-in-out infinite; }
@keyframes lxpFloat { 0%,100% { transform: rotateY(-18deg) rotateX(7deg) translateY(0); } 50% { transform: rotateY(-14deg) rotateX(7deg) translateY(-16px); } }
.lxp-book::before { content:""; position:absolute; top:8px; bottom:8px; left:10px; width:12px; border-radius:5px;
  background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.02)); }
.lxp-book::after { content:""; position:absolute; inset:0; border-radius:16px;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.16) 50%, transparent 60%); opacity:.7; pointer-events:none; }
.lxp-book__top { display: flex; align-items: center; justify-content: space-between; }
.lxp-book__sym { font-size: 2.4rem; }
.lxp-book__tag { font-size: .64rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--lx-on-accent);
  background: var(--lx-grad); padding: .28rem .55rem; border-radius: 7px; }
.lxp-book__title { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.5rem; line-height: 1.15; color: #fff; }
.lxp-book__author { font-size: .8rem; color: rgba(255,255,255,.6); letter-spacing: .03em; }

.lxp-chip { position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: .4rem;
  font-size: .78rem; font-weight: 700; color: var(--lx-text); padding: .5rem .8rem; border-radius: 12px;
  background: rgba(15,23,42,.82); border: 1px solid var(--lx-line); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 16px 40px -20px rgba(0,0,0,.9); }
.lxp-chip svg { width: 1rem; height: 1rem; color: var(--lx-amber-2); }
.lxp-chip .lx-stars { color: var(--lx-amber-2); }
.lxp-chip--tl { top: 8%; left: -2%; animation: lxFloat2 9s ease-in-out infinite; }
.lxp-chip--br { bottom: 10%; right: -2%; animation: lxFloat1 11s ease-in-out infinite; }
@media (max-width: 540px) { .lxp-chip--tl { left: 4%; } .lxp-chip--br { right: 4%; } }

/* ── SOMMAIRE ─────────────────────────────────────────────────── */
.lxp-toc { display: grid; gap: .7rem; grid-template-columns: 1fr; max-width: 760px; margin: 0 auto; }
@media (min-width: 720px) { .lxp-toc { grid-template-columns: 1fr 1fr; } }
.lxp-toc__item { display: flex; align-items: center; gap: .9rem; padding: 1rem 1.2rem;
  background: var(--lx-card); border: 1px solid var(--lx-line); border-radius: 14px;
  transition: transform .25s var(--lx-ease), border-color .25s, background .25s; }
.lxp-toc__item:hover { transform: translateX(4px); border-color: rgba(var(--lx-accent-rgb),.3); background: var(--lx-card-2); }
.lxp-toc__num { flex-shrink: 0; width: 2rem; height: 2rem; border-radius: 9px; display: flex; align-items: center; justify-content: center;
  font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: .85rem; color: var(--lx-on-accent); background: var(--lx-grad); }
.lxp-toc__txt { font-weight: 600; font-size: .95rem; color: #e2e8f0; }

/* ── EXTRAITS ─────────────────────────────────────────────────── */
.lxp-excerpts { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .lxp-excerpts { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .lxp-excerpts { grid-template-columns: repeat(3, 1fr); } }
.lxp-excerpt { position: relative; background: linear-gradient(180deg, var(--lx-card), var(--lx-bg-2));
  border: 1px solid var(--lx-line); border-radius: 18px; padding: 1.5rem; overflow: hidden;
  transition: transform .3s var(--lx-ease), border-color .3s, box-shadow .3s; }
.lxp-excerpt:hover { transform: translateY(-5px); border-color: rgba(var(--lx-accent-rgb),.3); box-shadow: var(--lx-shadow); }
.lxp-excerpt__q { position: absolute; top: .6rem; right: 1rem; font-family: "Plus Jakarta Sans", sans-serif; font-size: 3.5rem; font-weight: 800;
  color: rgba(var(--lx-accent-rgb),.12); line-height: 1; pointer-events: none; }
.lxp-excerpt__term { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.05rem; color: var(--lx-amber-3); margin-bottom: .5rem; }
.lxp-excerpt__txt { color: #cbd5e1; font-size: .92rem; line-height: 1.65; }

/* ── CARTE PRIX (section achat) ───────────────────────────────── */
.lxp-pricecard { max-width: 560px; margin: 0 auto; position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--lx-card), var(--lx-bg-2)); border: 1px solid rgba(var(--lx-accent-rgb),.25);
  border-radius: var(--lx-r-lg); padding: 2.2rem; box-shadow: var(--lx-shadow); }
.lxp-pricecard::before { content:""; position:absolute; inset:0; background: radial-gradient(90% 60% at 50% 0%, rgba(var(--lx-accent-rgb),.14), transparent 60%); pointer-events:none; }
.lxp-pricecard__inner { position: relative; z-index: 1; }
.lxp-pricecard__badges { display: flex; gap: .5rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.lxp-pricecard__badge { font-size: .68rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase;
  padding: .3rem .6rem; border-radius: 999px; color: var(--lx-amber-3); background: rgba(var(--lx-accent-rgb),.12); border: 1px solid rgba(var(--lx-accent-rgb),.28); }
.lxp-pricecard__name { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 1.4rem; }
.lxp-pricecard__amount { display: flex; align-items: baseline; gap: .6rem; margin: 1rem 0; }
.lxp-pricecard__amount b { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: 2.8rem;
  background: var(--lx-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.lxp-pricecard__amount span { color: var(--lx-muted-2); font-size: .85rem; }
.lxp-pricecard__list { list-style: none; margin: 1.2rem 0; padding: 0; display: flex; flex-direction: column; gap: .7rem; }
.lxp-pricecard__list li { display: flex; align-items: center; gap: .65rem; font-size: .92rem; color: #cbd5e1; }
.lxp-pricecard__list svg { width: 1.05rem; height: 1.05rem; color: var(--lx-amber-2); flex-shrink: 0; }
.lxp-pricecard__note { text-align: center; font-size: .78rem; color: var(--lx-muted-2); margin-top: .9rem; }
.lxp-pricecard__soon { text-align: center; padding: 1.5rem; border-radius: 14px; background: rgba(255,255,255,.04); color: var(--lx-muted); font-size: 1rem; }

/* ── Bloc version papier (Amazon) ─────────────────────────────── */
.lxp-amazon { margin-top: clamp(1.2rem, 4vw, 1.6rem); }
/* Variante centrée pour le CTA final (largeur contrainte, texte aligné à gauche) */
.lxp-amazon--cta { max-width: 460px; margin-left: auto; margin-right: auto; text-align: left; }
.lxp-amazon__or { display: flex; align-items: center; gap: .9rem; margin-bottom: clamp(.9rem, 3vw, 1.2rem);
  color: var(--lx-muted-2); font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.lxp-amazon__or::before, .lxp-amazon__or::after { content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.16), transparent); }

.lxp-amazon__card { position: relative; isolation: isolate; overflow: hidden;
  display: grid; grid-template-columns: auto 1fr; align-items: center;
  column-gap: clamp(.85rem, 3vw, 1.1rem); row-gap: clamp(.9rem, 3vw, 1.15rem); text-decoration: none;
  padding: clamp(1rem, 4vw, 1.35rem); border-radius: clamp(14px, 3vw, 18px);
  background:
    linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.02)),
    linear-gradient(180deg, var(--lx-card), var(--lx-bg-2));
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 18px 40px -28px rgba(0,0,0,.7);
  transition: transform .22s var(--lx-ease, ease), border-color .22s ease, box-shadow .22s ease; }
.lxp-amazon__card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(120deg, transparent 30%, rgba(255,167,0,.55), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .22s ease; pointer-events: none; }
.lxp-amazon__card:hover::after { opacity: 1; }

.lxp-amazon__glow { position: absolute; z-index: -1; top: -40%; right: -10%; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(255,167,0,.22), transparent 65%);
  opacity: .6; transition: opacity .22s ease; pointer-events: none; }

.lxp-amazon__icon { grid-row: 1; grid-column: 1; flex: 0 0 auto; display: grid; place-items: center;
  width: clamp(44px, 12vw, 52px); height: clamp(44px, 12vw, 52px); border-radius: 14px;
  color: #ffd166; background: linear-gradient(160deg, rgba(255,167,0,.18), rgba(255,167,0,.06));
  border: 1px solid rgba(255,167,0,.3); box-shadow: inset 0 1px 0 rgba(255,255,255,.1); }
.lxp-amazon__icon svg { width: clamp(1.35rem, 4.5vw, 1.6rem); height: clamp(1.35rem, 4.5vw, 1.6rem); }

.lxp-amazon__txt { grid-row: 1; grid-column: 2; display: flex; flex-direction: column; gap: .22rem; min-width: 0; }
.lxp-amazon__tag { align-self: flex-start; max-width: 100%; font-size: .62rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  color: #ffd166; padding: .22rem .5rem; border-radius: 999px;
  background: rgba(255,167,0,.12); border: 1px solid rgba(255,167,0,.28); }
.lxp-amazon__txt strong { font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800;
  font-size: clamp(.95rem, 3.4vw, 1.02rem); color: #f1f5f9; line-height: 1.25; text-wrap: balance; }
.lxp-amazon__sub { font-size: clamp(.78rem, 3vw, .82rem); color: var(--lx-muted-2); line-height: 1.45; }

.lxp-amazon__btn { grid-row: 2; grid-column: 1 / -1; width: 100%;
  display: flex; align-items: center; justify-content: center; gap: .55rem; text-align: center;
  font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; font-size: clamp(.88rem, 3.4vw, .95rem); color: #0f1111;
  padding: clamp(.8rem, 3vw, .95rem) 1rem; border-radius: 14px; line-height: 1.2;
  background: linear-gradient(180deg, #ffd814, #f7a700); border: 1px solid #e0930a;
  box-shadow: 0 10px 24px -10px rgba(247,167,0,.7); transition: filter .2s ease, box-shadow .2s ease; }
.lxp-amazon__btn svg { width: 1.05rem; height: 1.05rem; flex: 0 0 auto; }
.lxp-amazon__cart { opacity: .85; }
.lxp-amazon__arrow { transition: transform .22s var(--lx-ease, ease); }
.lxp-amazon__card:active { transform: translateY(-1px); }

/* Effets de survol réservés aux appareils à pointeur (évite le « collage » au tap mobile) */
@media (hover: hover) and (pointer: fine) {
  .lxp-amazon__card:hover { transform: translateY(-3px); border-color: rgba(255,167,0,.35);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 26px 50px -26px rgba(0,0,0,.8); }
  .lxp-amazon__card:hover .lxp-amazon__glow { opacity: 1; }
  .lxp-amazon__card:hover .lxp-amazon__btn { filter: brightness(1.05); box-shadow: 0 16px 30px -10px rgba(247,167,0,.85); }
  .lxp-amazon__card:hover .lxp-amazon__arrow { transform: translateX(4px); }
}

/* Tablette / petit desktop étroit : icône + texte restent alignés, déjà fluides */

/* Mobile : on empile icône au-dessus du texte, tout centré */
@media (max-width: 460px) {
  .lxp-amazon__card { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .lxp-amazon__icon { grid-row: 1; grid-column: 1; }
  .lxp-amazon__txt { grid-row: 2; grid-column: 1; align-items: center; }
  .lxp-amazon__tag { align-self: center; }
  .lxp-amazon__btn { grid-row: 3; grid-column: 1; }
  .lxp-amazon__cart { display: none; }
}

/* Très petits écrans : on masque la flèche pour laisser respirer le libellé */
@media (max-width: 340px) {
  .lxp-amazon__arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .lxp-amazon__card, .lxp-amazon__arrow, .lxp-amazon__btn, .lxp-amazon__glow { transition: none; }
}

/* Reveal réutilise [data-reveal] géré par product.js (déjà chargé) */