/* ==========================================================================
   Ebook Corp — couche "pro" (accueil FR/EN)
   Sections : bandeau de couvertures, premières lignes, processus, FAQ,
   contact & espace professionnels. Respecte .motion-off et reduced-motion.
   ========================================================================== */
:root{
  --px-ink:#20283f;
  --px-accent:#2c4280;
  --px-accent-2:#3b55a0;
  --px-soft:#eef2fa;
  --px-line:#dfe5ed;
  --px-paper:#f6f8fb;
  --px-muted:#586277;
  --px-gold:#a69570;
  --px-radius:26px;
  --px-ease:cubic-bezier(.2,.75,.15,1);
  --px-serif:var(--serif,Editorial,Georgia,'Times New Roman',serif);
}

/* ---------- Commun ---------- */
.px-section{position:relative;padding-block:clamp(56px,7vw,96px);color:var(--px-ink);margin-inline:auto}
.px-kicker{display:flex;align-items:center;gap:14px;margin:0 0 14px;font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--px-accent-2)}
.px-kicker::before{content:"";width:34px;height:1px;background:currentColor;opacity:.6}
.px-title{font-family:var(--px-serif);font-weight:400;font-size:clamp(34px,4.4vw,58px);line-height:1.04;letter-spacing:-.035em;margin:0;color:var(--px-ink)}
.px-title em{font-style:italic;color:var(--px-accent-2)}
.px-lead{max-width:56ch;margin:16px 0 0;color:var(--px-muted);font-size:16px;line-height:1.7}
.px-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px 48px;flex-wrap:wrap;margin-bottom:clamp(28px,4vw,48px)}
.px-btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:48px;padding:13px 22px;border:1px solid var(--px-accent);border-radius:12px;background:var(--px-accent);color:#fff;font:600 14px/1.2 var(--sans,'Segoe UI',Arial,sans-serif);cursor:pointer;transition:transform .25s var(--px-ease),box-shadow .25s,background .2s}
.px-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px #2c42803a;background:#24376d}
.px-btn--ghost{background:#fff;color:var(--px-accent);border-color:var(--px-line)}
.px-btn--ghost:hover{background:var(--px-soft)}
.px-link{display:inline-flex;align-items:center;gap:10px;padding-bottom:6px;border-bottom:1px solid #2c428040;color:var(--px-accent);font-size:13px;font-weight:600;transition:gap .25s var(--px-ease),border-color .2s}
.px-link:hover{gap:16px;border-color:var(--px-accent)}
.px-icon-btn{display:inline-grid;place-items:center;width:42px;height:42px;padding:0;border:1px solid var(--px-line);border-radius:50%;background:#fff;color:var(--px-accent);cursor:pointer;transition:background .2s,transform .25s var(--px-ease)}
.px-icon-btn:hover{background:var(--px-soft);transform:scale(1.06)}
.px-icon-btn svg{width:16px;height:16px}
.px-icon-btn:focus-visible,.px-btn:focus-visible,.px-link:focus-visible,.px-chip input:focus-visible+span,.px-faq summary:focus-visible{outline:2px solid var(--px-accent-2);outline-offset:3px}

/* Apparition au scroll */
.px-js [data-px-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--px-ease),transform .9s var(--px-ease)}
.px-js [data-px-reveal].px-in{opacity:1;transform:none}
.px-js [data-px-reveal][data-px-delay="1"]{transition-delay:.08s}
.px-js [data-px-reveal][data-px-delay="2"]{transition-delay:.16s}
.px-js [data-px-reveal][data-px-delay="3"]{transition-delay:.24s}

/* ---------- 1. Bandeau de couvertures ---------- */
.px-marquee{padding-block:clamp(34px,4vw,52px) 8px;overflow:hidden;color:var(--px-ink)}
.px-marquee[hidden]{display:none}
.px-marquee__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 auto 18px}
.px-marquee__head .px-kicker{margin:0}
.px-marquee__tools{display:flex;align-items:center;gap:14px}
.px-marquee__row{position:relative;overflow:hidden;padding-block:14px 34px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.px-marquee__track{display:flex;gap:22px;width:max-content;animation:px-marquee var(--px-duration,70s) linear infinite}
.px-marquee__row+.px-marquee__row{margin-top:-14px}
.px-marquee__row--reverse .px-marquee__track{animation-direction:reverse}
.px-marquee.is-paused .px-marquee__track,.px-marquee__row:hover .px-marquee__track,.px-marquee__row:focus-within .px-marquee__track{animation-play-state:paused}
@keyframes px-marquee{to{transform:translateX(-50%)}}
.px-cover{position:relative;flex:0 0 auto;display:block;width:112px;color:var(--px-ink);text-align:center}
.px-cover__img{position:relative;display:block;aspect-ratio:2/3;border-radius:6px 10px 10px 6px;overflow:hidden;background:var(--px-paper);box-shadow:0 1px 0 #fff inset,0 10px 22px #20283f26,0 2px 5px #20283f1f;transition:transform .45s var(--px-ease),box-shadow .45s var(--px-ease)}
.px-cover__img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0000002e 0,#ffffff1f 4%,transparent 9%);pointer-events:none}
.px-cover img{width:100%;height:100%;object-fit:cover}
.px-cover__name{position:absolute;left:-14px;right:-14px;top:calc(100% + 8px);display:block;font-size:11.5px;line-height:1.3;color:var(--px-muted);opacity:0;transform:translateY(-4px);transition:opacity .3s,transform .3s}
.px-cover:hover .px-cover__img,.px-cover:focus-visible .px-cover__img{transform:translateY(-8px) rotate(-1.5deg);box-shadow:0 22px 34px #20283f33,0 4px 8px #20283f1f}
.px-cover:hover .px-cover__name,.px-cover:focus-visible .px-cover__name{opacity:1;transform:none}
.px-cover:focus-visible{outline:none}
.px-cover:focus-visible .px-cover__img{outline:2px solid var(--px-accent-2);outline-offset:3px}
.px-cover__badge{position:absolute;top:8px;left:-4px;z-index:1;padding:3px 8px;border-radius:0 6px 6px 0;background:var(--px-accent);color:#fff;font-size:9.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}

/* ---------- 2. Premières lignes ---------- */
.px-hooks__stage{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(28px,5vw,72px);align-items:center;padding:clamp(28px,5vw,64px);border-radius:var(--px-radius);background:radial-gradient(120% 140% at 0% 0%,#2d3b63 0%,#1b2340 55%,#141a30 100%);color:#f4f0e9;overflow:hidden;isolation:isolate;box-shadow:0 30px 60px #141a3033}
.px-hooks__stage::before{content:"";position:absolute;inset:-40%;z-index:-1;background:conic-gradient(from var(--px-angle,0deg),transparent 0 70%,#e6bb8226 80%,transparent 90%);animation:px-spin 18s linear infinite;opacity:.8}
.px-hooks__stage::after{content:"";position:absolute;inset:0;z-index:-1;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E")}
@keyframes px-spin{to{transform:rotate(1turn)}}
.px-hooks__quote{position:relative;min-height:clamp(210px,22vw,260px)}
.px-hooks__mark{display:block;height:46px;font-family:var(--px-serif);font-size:96px;line-height:1;color:#e6bb82}
.px-hooks__slide{position:absolute;inset:56px 0 auto 0;opacity:0;transform:translateY(18px);transition:opacity .7s var(--px-ease),transform .7s var(--px-ease);pointer-events:none}
.px-hooks__slide.is-active{position:relative;inset:auto;margin-top:10px;opacity:1;transform:none;pointer-events:auto}
.px-hooks__text{margin:0;font-family:var(--px-serif);font-size:clamp(25px,2.9vw,40px);line-height:1.2;letter-spacing:-.02em;color:#fff}
.px-hooks__meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:24px;font-size:13px;color:#c9cfe0}
.px-hooks__meta strong{color:#fff;font-weight:600}
.px-hooks__cat{padding:4px 10px;border:1px solid #ffffff33;border-radius:99px;font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.px-hooks__meta a{display:inline-flex;gap:8px;color:#e6bb82;font-weight:600;border-bottom:1px solid #e6bb8266;padding-bottom:3px}
.px-hooks__meta a:hover{border-color:#e6bb82}
.px-hooks__book{position:relative;height:clamp(300px,30vw,400px);perspective:1200px}
.px-hooks__book a{position:absolute;inset:0;display:block;opacity:0;transform:translateX(30px) rotateY(-24deg) scale(.94);transition:opacity .7s var(--px-ease),transform .9s var(--px-ease);pointer-events:none}
.px-hooks__book a.is-active{opacity:1;transform:rotateY(-12deg);pointer-events:auto}
.px-hooks__book a.is-active:hover{transform:rotateY(-4deg) translateY(-6px)}
.px-hooks__book img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 26px 30px #00000066)}
.px-hooks__controls{display:flex;align-items:center;gap:10px;margin-top:28px}
.px-hooks__controls .px-icon-btn{background:#ffffff14;border-color:#ffffff2e;color:#fff}
.px-hooks__controls .px-icon-btn:hover{background:#ffffff26}
.px-hooks__dots{display:flex;gap:6px;margin-left:10px;flex-wrap:wrap}
.px-hooks__dot{position:relative;width:28px;height:4px;padding:0;border:0;border-radius:4px;background:#ffffff2e;overflow:hidden;cursor:pointer}
.px-hooks__dot span{position:absolute;inset:0;transform:scaleX(0);transform-origin:left;background:#e6bb82}
.px-hooks__dot.is-done span{transform:scaleX(1)}
.px-hooks__dot.is-active span{animation:px-fill var(--px-interval,6500ms) linear forwards}
.px-hooks.is-paused .px-hooks__dot.is-active span{animation-play-state:paused}
@keyframes px-fill{to{transform:scaleX(1)}}

/* ---------- 3. Processus ---------- */
.px-process__grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,90px);align-items:start}
.px-process__visual{position:sticky;top:120px}
.px-process__visual figure{margin:0;border-radius:var(--px-radius);overflow:hidden;background:var(--px-paper);box-shadow:0 24px 50px #20283f1f}
.px-process__visual img{width:100%;height:auto;transform:scale(calc(1.08 - var(--px-progress,0) * .08));transition:transform .2s linear}
.px-process__visual figcaption{padding:14px 18px;font-size:12px;color:var(--px-muted);background:#fff}
.px-steps{position:relative;list-style:none;margin:0;padding:0 0 0 54px;counter-reset:px-step}
.px-steps::before,.px-steps::after{content:"";position:absolute;left:17px;top:12px;bottom:12px;width:2px;border-radius:2px;background:var(--px-line)}
.px-steps::after{background:linear-gradient(var(--px-accent-2),var(--px-gold));transform:scaleY(var(--px-progress,0));transform-origin:top}
.px-step{position:relative;padding:4px 0 34px}
.px-step:last-child{padding-bottom:0}
.px-step::before{counter-increment:px-step;content:"0" counter(px-step);position:absolute;left:-54px;top:0;display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--px-line);border-radius:50%;background:#fff;color:var(--px-muted);font-size:11px;font-weight:700;letter-spacing:.04em;transition:background .4s,color .4s,border-color .4s,transform .4s var(--px-ease);z-index:1}
.px-step.is-active::before{background:var(--px-accent);border-color:var(--px-accent);color:#fff;transform:scale(1.08)}
.px-step h3{margin:4px 0 8px;font-family:var(--px-serif);font-weight:400;font-size:clamp(23px,2.3vw,30px);letter-spacing:-.02em;color:var(--px-ink)}
.px-step p{margin:0;max-width:52ch;color:var(--px-muted);line-height:1.7}
.px-step__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.px-step__tags span{padding:5px 11px;border-radius:99px;background:var(--px-soft);color:var(--px-accent);font-size:12px}

/* ---------- 4. FAQ ---------- */
.px-faq__grid{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:clamp(28px,6vw,90px);align-items:start}
.px-faq__aside{position:sticky;top:120px}
.px-faq__help{margin-top:26px;padding:22px;border:1px solid var(--px-line);border-radius:20px;background:linear-gradient(135deg,#fff,var(--px-paper))}
.px-faq__help p{margin:0 0 14px;color:var(--px-muted);font-size:14px}
.px-faq__list{border-top:1px solid var(--px-line)}
.px-faq details{margin:0;padding:0;border:0;border-bottom:1px solid var(--px-line);background:none;border-radius:0}
.px-faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;cursor:pointer;list-style:none;font-family:var(--px-serif);font-size:clamp(19px,1.8vw,24px);line-height:1.25;letter-spacing:-.01em;color:var(--px-ink);transition:color .2s}
.px-faq summary::-webkit-details-marker{display:none}
.px-faq summary:hover{color:var(--px-accent)}
.px-faq summary i{position:relative;flex:0 0 34px;height:34px;border:1px solid var(--px-line);border-radius:50%;transition:background .3s,border-color .3s,transform .4s var(--px-ease)}
.px-faq summary i::before,.px-faq summary i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:1.5px;background:var(--px-accent);translate:-50% -50%;transition:transform .35s var(--px-ease)}
.px-faq summary i::after{transform:rotate(90deg)}
.px-faq details[open] summary i{background:var(--px-accent);border-color:var(--px-accent);transform:rotate(180deg)}
.px-faq details[open] summary i::before,.px-faq details[open] summary i::after{background:#fff}
.px-faq details[open] summary i::after{transform:rotate(0)}
.px-faq__a{padding:0 60px 24px 4px;color:var(--px-muted);line-height:1.75}
.px-faq__a p{margin:0 0 10px}
.px-faq__a a{color:var(--px-accent);font-weight:600;border-bottom:1px solid #2c428040}
.px-faq__a a:hover{border-color:var(--px-accent)}
.px-faq details[open] .px-faq__a{animation:px-drop .45s var(--px-ease)}
@keyframes px-drop{from{opacity:0;transform:translateY(-8px)}}

/* ---------- 5. Contact & pros ---------- */
.px-connect__grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:22px}
.px-card{position:relative;border:1px solid var(--px-line);border-radius:var(--px-radius);background:#fff;padding:clamp(26px,3.6vw,44px);overflow:hidden}
.px-alert{background:linear-gradient(150deg,#f3f6fd 0%,#fff 46%,#fbf7ef 100%)}
.px-alert::before{content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,#3b55a01f,transparent 70%)}
.px-alert .px-title{font-size:clamp(30px,3.4vw,44px)}
.px-chips{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 8px;padding:0;border:0}
.px-chips legend{width:100%;margin-bottom:12px;padding:0;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--px-muted)}
.px-chip{position:relative;cursor:pointer}
.px-chip input{position:absolute;opacity:0;pointer-events:none}
.px-chip span{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--px-line);border-radius:99px;background:#fff;color:var(--px-ink);font-size:14px;transition:background .2s,border-color .2s,color .2s,transform .2s var(--px-ease)}
.px-chip span::before{content:"";width:8px;height:8px;border-radius:50%;border:1.5px solid currentColor;opacity:.55;transition:background .2s}
.px-chip:hover span{border-color:var(--px-accent-2);transform:translateY(-1px)}
.px-chip input:checked+span{background:var(--px-accent);border-color:var(--px-accent);color:#fff}
.px-chip input:checked+span::before{background:#fff;opacity:1;border-color:#fff}
.px-alert__actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:22px}
.px-note{margin:16px 0 0;display:flex;gap:10px;align-items:flex-start;font-size:12.5px;line-height:1.6;color:var(--px-muted)}
.px-note svg{flex:0 0 16px;margin-top:2px;color:var(--px-accent-2)}
.px-social{display:flex;gap:10px;margin-top:22px;padding-top:20px;border-top:1px dashed var(--px-line);align-items:center;flex-wrap:wrap;font-size:13px;color:var(--px-muted)}
.px-social a{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:99px;background:#fff;border:1px solid var(--px-line);color:var(--px-ink);font-weight:600;transition:border-color .2s,transform .2s var(--px-ease)}
.px-social a:hover{border-color:var(--px-accent-2);transform:translateY(-1px)}
.px-social svg{width:15px;height:15px}
.px-pros{background:var(--px-ink);color:#e7ebf5;border-color:var(--px-ink)}
.px-pros .px-kicker{color:#e6bb82}
.px-pros .px-title{color:#fff;font-size:clamp(28px,3vw,40px)}
.px-pros__list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:10px}
.px-pros__list a{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:14px;padding:14px 16px;border:1px solid #ffffff1c;border-radius:16px;background:#ffffff08;color:#fff;transition:background .25s,border-color .25s,transform .3s var(--px-ease)}
.px-pros__list a:hover{background:#ffffff14;border-color:#ffffff38;transform:translateX(4px)}
.px-pros__ico{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#e6bb821f;color:#e6bb82}
.px-pros__ico svg{width:20px;height:20px}
.px-pros__list strong{display:block;font-weight:600;font-size:15px}
.px-pros__list small{display:block;margin-top:2px;color:#b9c1d6;font-size:12.5px;line-height:1.45}
.px-pros__arrow{color:#e6bb82;font-size:18px;transition:transform .3s var(--px-ease)}
.px-pros__list a:hover .px-pros__arrow{transform:translateX(4px)}
.px-pros__mail{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding:12px 12px 12px 18px;border-radius:14px;background:#ffffff0d;font-size:14px;color:#fff;flex-wrap:wrap}
.px-pros__mail button{padding:9px 14px;border:1px solid #ffffff38;border-radius:10px;background:transparent;color:#fff;font:600 12.5px/1 var(--sans,'Segoe UI',Arial,sans-serif);cursor:pointer;transition:background .2s}
.px-pros__mail button:hover{background:#ffffff1a}

/* Toast */
.px-toast{position:fixed;z-index:130;left:50%;bottom:28px;max-width:calc(100% - 32px);padding:12px 18px;border-radius:14px;background:#1f2c48;color:#fff;font-size:14px;box-shadow:0 14px 34px #141e374d;opacity:0;translate:-50% 14px;transition:opacity .3s,translate .45s var(--px-ease);pointer-events:none}
.px-toast.is-on{opacity:1;translate:-50% 0}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .px-hooks__stage{grid-template-columns:1fr}
  .px-hooks__book{order:-1;height:240px;max-width:180px}
  .px-process__grid,.px-faq__grid,.px-connect__grid{grid-template-columns:1fr}
  .px-process__visual,.px-faq__aside{position:relative;top:0}
  .px-process__visual{max-width:560px}
}
@media (max-width:650px){
  .px-cover{width:88px}
  .px-marquee__track{gap:16px}
  .px-hooks__quote{min-height:250px}
  .px-hooks__slide{inset:52px 0 auto 0}
  .px-faq__a{padding-right:8px}
  .px-steps{padding-left:48px}
  .px-step::before{left:-48px;width:32px;height:32px}
  .px-steps::before,.px-steps::after{left:15px}
  .px-pros__list a{grid-template-columns:38px 1fr auto;padding:12px}
  .px-pros__ico{width:38px;height:38px}
  .px-alert__actions .px-btn{width:100%}
}

/* ---------- Mouvement réduit ---------- */
@media (prefers-reduced-motion:reduce){
  .px-marquee__track,.px-hooks__stage::before,.px-hooks__dot.is-active span{animation:none!important}
  .px-marquee__row{overflow-x:auto;-webkit-mask-image:none;mask-image:none}
  .px-js [data-px-reveal]{opacity:1;transform:none;transition:none}
  .px-hooks__slide,.px-hooks__book a{transition:none}
}
.motion-off .px-marquee__track,.motion-off .px-hooks__stage::before{animation:none!important}
.motion-off .px-marquee__row{overflow-x:auto;-webkit-mask-image:none;mask-image:none}
.motion-off [data-px-reveal]{opacity:1!important;transform:none!important}
.motion-off .px-dup{display:none}
@media (prefers-reduced-motion:reduce){.px-dup{display:none}}
.px-pros .px-lead{color:#b9c1d6}
.px-marquee__head{max-width:none}
.px-icon-btn{flex:0 0 auto}
.px-marquee__tools .px-link{white-space:nowrap}
@media (max-width:650px){
  .px-marquee__head .px-kicker{font-size:11px;letter-spacing:.14em}
  .px-marquee__head .px-kicker::before{display:none}
  .px-hooks__dots{margin-left:4px;gap:4px}
  .px-hooks__dot{width:16px}
}