/* ============================================================
   MAURICIO ANDRÉS DELSO — site auteur
   Palette relevée pixel par pixel sur le logo :
   sang #740001 · noir #000000 · parchemin #D2B48C
   or #EEBA30 · encre bleue #2E23DC
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}

:root{
  --sang:#740001; --sang-clair:#9A1A18; --sang-sombre:#4E0001;
  --noir:#0B0A0A; --parch:#D2B48C; --parch-clair:#EADBC2;
  --or:#EEBA30; --encre:#2E23DC;
  --r:2px;
  --max:1180px;
  --pad:clamp(20px,5vw,64px);
  --fDisp:"Oswald",'Haettenschweiler','Arial Narrow',sans-serif;
  --fGrav:"Cinzel",'Optima','Palatino Linotype',serif;
  --fCorps:"Spectral",'Iowan Old Style','Georgia',serif;
  --fMain:"Petit Formal Script",'Snell Roundhand',cursive;
}

/* --- mode nuit (par défaut) --- */
html[data-mode="nuit"]{
  --bg:#0B0A0A; --bg2:#141110; --panneau:#171310;
  --texte:#EADBC2; --doux:#9E8B72; --trait:rgba(210,180,140,.16);
  --acc:#EEBA30; --acc2:#D2B48C;
  --grain:rgba(210,180,140,.030);
  --ombre:0 18px 50px rgba(0,0,0,.65);
}
/* --- mode papier --- */
html[data-mode="papier"]{
  --bg:#F1E7D5; --bg2:#E9DCC6; --panneau:#FBF5EA;
  --texte:#17120F; --doux:#6B5B47; --trait:rgba(116,0,1,.18);
  --acc:#740001; --acc2:#740001;
  --grain:rgba(116,0,1,.022);
  --ombre:0 16px 40px rgba(78,0,1,.14);
}

html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--texte);
  font-family:var(--fCorps); font-weight:300; font-size:17px; line-height:1.72;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
body::before{ /* grain de papier */
  content:""; position:fixed; inset:0; pointer-events:none; z-index:1; opacity:.9;
  background-image:repeating-linear-gradient(0deg,var(--grain) 0 1px,transparent 1px 3px),
                   repeating-linear-gradient(90deg,var(--grain) 0 1px,transparent 1px 4px);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--or);outline-offset:3px}

.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- typographie ---------- */
.eyebrow{
  font-family:var(--fGrav); font-weight:500; font-size:12px; letter-spacing:.34em;
  text-transform:uppercase; color:var(--acc); margin:0 0 14px;
}
.eyebrow .num{color:var(--doux);margin-right:.7em}
h1,h2,h3{margin:0;font-weight:700;line-height:1.02}
.plate{
  font-family:var(--fDisp); font-weight:700; text-transform:uppercase;
  letter-spacing:.005em; line-height:.95;
}
.sec-title{font-family:var(--fDisp);font-weight:500;text-transform:uppercase;
  font-size:clamp(30px,5vw,54px);line-height:1;letter-spacing:.01em}
.lede{font-size:clamp(17px,1.9vw,20px);color:var(--doux);max-width:56ch;margin:18px 0 0}
.hand{font-family:var(--fMain);color:var(--encre);font-size:1.15em;line-height:1.5}
html[data-mode="nuit"] .hand{color:#7C74FF}

/* remplissage à compléter par l'auteur */
.todo{
  display:block; border-bottom:1.5px dotted currentColor; padding-bottom:2px;
}
.todo-tag{
  display:inline-block;vertical-align:2px;margin-left:8px;font-family:var(--fGrav);
  font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--doux);
  border:1px solid var(--trait);border-radius:20px;padding:2px 8px;
}

/* ---------- entête ---------- */
header.top{
  position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 88%,transparent);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--trait);
}
@supports not (background:color-mix(in srgb,red 50%,blue)){header.top{background:var(--bg)}}
.topbar{display:flex;align-items:center;gap:18px;height:68px;
  max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mark{display:block;line-height:0}
.mark img{height:auto}
.mark-s img{width:42px}
.mark-l img{width:92px}
html[data-mode="nuit"]   .m-papier{display:none}
html[data-mode="papier"] .m-nuit{display:none}
.brand .mark{flex:0 0 auto}
.brand b{font-family:var(--fDisp);font-weight:700;text-transform:uppercase;
  font-size:15px;letter-spacing:.02em;line-height:1;display:block}
.brand small{font-family:var(--fGrav);font-size:10px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--doux);display:block;margin-top:3px}
nav.main{display:flex;gap:26px;margin-left:auto}
nav.main a{font-family:var(--fGrav);font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;padding:6px 0;border-bottom:1px solid transparent}
nav.main a:hover{border-bottom-color:var(--acc);color:var(--acc)}
.tools{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.langs{display:flex;border:1px solid var(--trait);border-radius:20px;overflow:hidden}
.langs button{font-family:var(--fGrav);font-size:10px;letter-spacing:.12em;
  padding:7px 10px;color:var(--doux);transition:.2s}
.langs button[aria-pressed="true"]{background:var(--sang);color:#EADBC2}
html[data-mode="papier"] .langs button[aria-pressed="true"]{color:#F1E7D5}
.mode{width:34px;height:34px;border:1px solid var(--trait);border-radius:50%;
  display:grid;place-items:center;font-size:14px}
.mode:hover{border-color:var(--acc)}
.burger{display:none;width:34px;height:34px;border:1px solid var(--trait);border-radius:50%;
  place-items:center;font-size:15px}

/* ---------- héros ---------- */
.hero{position:relative;overflow:hidden;min-height:clamp(560px,84vh,790px);
  display:flex;align-items:flex-end;padding:clamp(90px,14vh,140px) 0 clamp(38px,6vw,64px)}

/* photo : Santiago, plan large, parallaxe douce + très lent recadrage */
.hero-photo{position:absolute;top:-12%;left:0;right:0;height:124%;z-index:0;overflow:hidden;
  will-change:transform}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:62% 44%;
  transform:scale(1.06);animation:drift 22s cubic-bezier(.25,.6,.3,1) forwards}
@keyframes drift{to{transform:scale(1)}}

/* voile : lisibilité du texte, et raccord de la photo sur la palette du blason */
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none}
html[data-mode="nuit"] .hero-veil{background:
  linear-gradient(94deg,rgba(11,10,10,.97) 0%,rgba(11,10,10,.90) 30%,rgba(11,10,10,.44) 58%,rgba(11,10,10,.06) 100%),
  linear-gradient(0deg,var(--bg) 0%,rgba(11,10,10,.42) 20%,transparent 52%),
  linear-gradient(180deg,rgba(78,0,1,.42) 0%,rgba(78,0,1,.06) 44%,transparent 70%)}
html[data-mode="papier"] .hero-veil{background:
  linear-gradient(94deg,rgba(241,231,213,.97) 0%,rgba(241,231,213,.91) 30%,rgba(241,231,213,.50) 58%,rgba(241,231,213,.10) 100%),
  linear-gradient(0deg,var(--bg) 0%,rgba(241,231,213,.46) 20%,transparent 54%)}
.hero-ink{position:absolute;inset:0;height:100%;width:100%;
  opacity:.4;pointer-events:none;z-index:2;
  -webkit-mask-image:linear-gradient(94deg,#000 0 30%,rgba(0,0,0,.45) 52%,transparent 74%);
  mask-image:linear-gradient(94deg,#000 0 30%,rgba(0,0,0,.45) 52%,transparent 74%)}
html[data-mode="papier"] .hero-ink{opacity:.34}
.hero-ink path{fill:none;stroke:var(--encre);stroke-width:2.2;stroke-linecap:round;
  stroke-dasharray:var(--len);stroke-dashoffset:var(--len);
  animation:write 5.5s cubic-bezier(.3,.7,.3,1) forwards}
@keyframes write{to{stroke-dashoffset:0}}
.hero-in{position:relative;z-index:3;width:100%}
.hero-txt{max-width:min(640px,60%);margin-left:var(--hero-shift,clamp(6px,3vw,46px));animation:heroTxtIn 1s cubic-bezier(.2,.75,.25,1) .05s both}
@keyframes heroTxtIn{from{opacity:0;transform:translateX(-80px)}to{opacity:1;transform:none}}
.hero-cap{margin:clamp(34px,6vh,58px) 0 0;padding-top:15px;max-width:36ch;
  border-top:1px solid var(--trait);
  font-family:var(--fGrav);font-size:10px;letter-spacing:.19em;text-transform:uppercase;
  color:var(--doux);line-height:1.9}
.hero-cap b{color:var(--acc);font-weight:500}
.hero h1{font-family:var(--fDisp);font-weight:700;text-transform:uppercase;
  font-size:clamp(40px,7.4vw,86px);line-height:.9;letter-spacing:-.005em}
.hero h1 span,.hero h1 em{display:block}
.hero h1 em{font-style:normal;color:var(--acc)}
.hero .sub-welcome{display:block;margin-top:.35em}
.hero .sub{margin-top:26px;font-size:clamp(17px,2vw,20px);color:var(--doux);max-width:44ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.spark{position:absolute;z-index:2;width:9px;height:9px;background:var(--or);
  clip-path:polygon(50% 0,58% 42%,100% 50%,58% 58%,50% 100%,42% 58%,0 50%,42% 42%);
  animation:tw 3.4s ease-in-out infinite}
.spark.s1{top:15%;left:46%;animation-delay:.5s}
.spark.s2{top:8%;right:19%;animation-delay:1.6s}
.spark.s3{top:27%;right:7%;width:7px;height:7px;animation-delay:2.5s}
@keyframes tw{0%,100%{opacity:0;transform:scale(.4)}50%{opacity:1;transform:scale(1.25)}}

/* ---------- boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:var(--r);
  font-family:var(--fGrav);font-weight:700;font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;background:var(--sang);color:#EADBC2;
  border:1px solid var(--sang);transition:transform .18s,background .18s,box-shadow .18s;
}
.btn:hover{background:var(--sang-clair);border-color:var(--sang-clair);transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(116,0,1,.4)}
.btn.ghost{background:transparent;color:var(--texte);border-color:var(--trait)}
.btn.ghost:hover{border-color:var(--acc);color:var(--acc);background:transparent;box-shadow:none}
.btn.gold{background:var(--or);border-color:var(--or);color:#20160B}
.btn.gold:hover{background:#F7C94A;border-color:#F7C94A;box-shadow:0 10px 24px rgba(238,186,48,.28)}
.btn.wide{width:100%;justify-content:center}
.btn[disabled]{opacity:.42;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- bandeau défilant ---------- */
.strip{border-block:1px solid var(--trait);background:var(--bg2);overflow:hidden;padding:13px 0}
.strip-run{display:flex;gap:44px;width:max-content;animation:run 34s linear infinite}
.strip span{font-family:var(--fGrav);font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--doux);white-space:nowrap}
.strip span i{color:var(--acc);font-style:normal;margin-right:14px}
@keyframes run{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
section{position:relative;z-index:2}
.band{padding:clamp(64px,9vw,118px) 0}
.band.alt{background:var(--bg2);border-block:1px solid var(--trait)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;
  flex-wrap:wrap;margin-bottom:clamp(32px,5vw,58px)}

/* ---------- étagère ---------- */
.shelf{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3.2vw,42px)}
.bookcard{display:flex;flex-direction:column;gap:18px;color:inherit;
  -webkit-tap-highlight-color:transparent}
.cover{
  position:relative;aspect-ratio:2/3;border-radius:2px;overflow:hidden;
  background:var(--sang);box-shadow:var(--ombre);
  transition:transform .45s cubic-bezier(.2,.8,.3,1),box-shadow .45s;
  transform-style:preserve-3d;
}
@supports not (aspect-ratio:2/3){.cover{height:0;padding-bottom:150%}}
.bookcard:hover .cover{transform:translateY(-10px) rotateY(-7deg) rotateX(2deg);
  box-shadow:0 30px 60px rgba(0,0,0,.55)}
.cover::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(255,255,255,.24) 0%,transparent 26%,transparent 74%,rgba(0,0,0,.28) 100%);
  mix-blend-mode:overlay}
.cover .spine{position:absolute;top:0;left:0;bottom:0;width:13px;
  background:linear-gradient(90deg,rgba(0,0,0,.55),rgba(0,0,0,.05));z-index:3}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover-type{position:absolute;inset:0;display:flex;flex-direction:column;
  justify-content:space-between;padding:26px 22px 22px 30px;color:#EADBC2;z-index:2}
.cover-type .ct-top{font-family:var(--fGrav);font-size:9px;letter-spacing:.28em;
  text-transform:uppercase;opacity:.82}
.cover-type .ct-title{font-family:var(--fDisp);font-weight:700;text-transform:uppercase;
  font-size:clamp(19px,2.4vw,29px);line-height:.96}
.cover-type .ct-rule{width:38px;height:2px;background:var(--or);margin:12px 0}
.cover-type .ct-auth{font-family:var(--fGrav);font-size:9.5px;letter-spacing:.2em;
  text-transform:uppercase;opacity:.9}
.bookmeta .k{font-family:var(--fGrav);font-size:10px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--doux)}
.bookmeta h3{font-family:var(--fDisp);font-weight:500;text-transform:uppercase;
  font-size:clamp(19px,2.2vw,24px);margin:8px 0 10px;line-height:1.02}
.bookmeta p{margin:0;color:var(--doux);font-size:15.5px;line-height:1.6}
.bookmeta .more{display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-family:var(--fGrav);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--acc);border-bottom:1px solid transparent}
.bookcard:hover .more{border-bottom-color:var(--acc)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.tag{font-family:var(--fGrav);font-size:9px;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--trait);border-radius:20px;padding:4px 10px;color:var(--doux)}

/* ---------- page de livre ---------- */
/* achat */
.buy{margin-top:30px;border:1px solid var(--trait);border-radius:3px;padding:22px;
  background:var(--bg2)}
.buy .row{margin-bottom:18px}
.buy .lbl{font-family:var(--fGrav);font-size:9.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--doux);display:block;margin-bottom:9px}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{border:1px solid var(--trait);border-radius:2px;padding:9px 15px;
  font-family:var(--fGrav);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--doux);transition:.18s}
.seg button:hover{border-color:var(--acc);color:var(--acc)}
.seg button[aria-pressed="true"]{background:var(--sang);border-color:var(--sang);color:#EADBC2}
.buy-out{display:grid;gap:10px}
.price{font-family:var(--fDisp);font-weight:500;font-size:26px;color:var(--acc);
  display:flex;align-items:baseline;gap:10px}
.price small{font-family:var(--fGrav);font-size:9.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--doux)}
.note{font-size:13px;color:var(--doux);margin:4px 0 0;line-height:1.55}

/* ---------- codexa ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center}
.feat{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:1px}
.feat li{padding:15px 0;border-top:1px solid var(--trait);display:flex;gap:16px;align-items:baseline}
.feat li b{font-family:var(--fGrav);font-size:10px;letter-spacing:.18em;color:var(--acc);
  min-width:26px}
.feat li span{font-size:15.5px;color:var(--doux)}
.app{border:1px solid var(--trait);border-radius:4px;overflow:hidden;background:var(--panneau);
  box-shadow:var(--ombre)}
.app-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:var(--bg2);
  border-bottom:1px solid var(--trait)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--trait)}
.dot.r{background:var(--sang)} .dot.g{background:var(--or)}
.app-bar em{margin-left:10px;font-style:normal;font-family:var(--fGrav);font-size:9.5px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--doux)}
.app-body{padding:26px 30px;min-height:250px;font-size:16px;line-height:1.85}
.app-body .ttl{font-family:var(--fGrav);font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--doux);margin-bottom:16px}
.caret{display:inline-block;width:2px;height:1.05em;background:var(--acc);
  vertical-align:-2px;animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.app-foot{display:flex;justify-content:space-between;padding:10px 14px;
  border-top:1px solid var(--trait);background:var(--bg2);
  font-family:var(--fGrav);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--doux)}

/* ---------- auteur ---------- */
.author{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,64px);align-items:center}
.portrait{position:relative;aspect-ratio:4/5;background:var(--bg2);border:1px solid var(--trait);
  display:grid;place-items:center;text-align:center;padding:26px;border-radius:2px;overflow:hidden}
.portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.portrait .ph{font-family:var(--fGrav);font-size:10px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--doux);line-height:2}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px;
  border-top:1px solid var(--trait);padding-top:26px}
.stats .n{font-family:var(--fDisp);font-weight:500;font-size:clamp(30px,4vw,44px);
  color:var(--acc);line-height:1}
.stats .l{font-family:var(--fGrav);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--doux);margin-top:7px}

/* ---------- auteur : bio + mot de l'auteur ---------- */
.author-bio{margin-top:18px}
.author-bio p{margin:0 0 13px;color:var(--doux);font-size:16px;line-height:1.78;max-width:58ch}
.author-bio p:last-child{margin-bottom:0}
.author-cauldron{color:var(--texte)}
.author-note{position:relative;max-width:72ch;margin:clamp(40px,6vw,72px) auto 0;
  padding:clamp(30px,4vw,46px) clamp(26px,4vw,48px) clamp(24px,3.5vw,36px);
  background:var(--panneau);border:1px solid var(--trait);border-radius:3px;box-shadow:var(--ombre)}
.author-note::before{content:"\201C";position:absolute;top:.05em;left:.16em;
  font-family:var(--fGrav);font-size:96px;line-height:1;color:var(--acc);opacity:.20;pointer-events:none}
.author-note p{position:relative;margin:0 0 17px;color:var(--texte);opacity:.92;
  font-family:var(--fCorps);font-size:16.5px;line-height:1.85}
.author-note p:first-of-type{margin-top:.1em}
.author-note .hand{display:block;text-align:right;margin:8px 0 0;font-size:1.7em;line-height:1.3}
@media(max-width:760px){
  .author-note{box-shadow:none;padding:26px 22px 22px}
  .author-note::before{font-size:70px}
  .author-bio p,.author-note p{max-width:none}
}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--trait);max-width:860px}
.qa{border-bottom:1px solid var(--trait)}
.qa button{width:100%;display:flex;justify-content:space-between;gap:22px;align-items:center;
  padding:22px 0;text-align:left;font-family:var(--fGrav);font-size:13px;letter-spacing:.06em}
.qa button:hover{color:var(--acc)}
.qa .sign{color:var(--acc);font-size:19px;transition:transform .3s;flex:0 0 auto}
.qa[data-open="1"] .sign{transform:rotate(45deg)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .38s ease}
.qa .ans p{margin:0 0 22px;color:var(--doux);font-size:15.5px;max-width:68ch}

/* ---------- lettre ---------- */
.letter{text-align:center;max-width:640px;margin:0 auto}
.letter form{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap;justify-content:center}
.letter input{flex:1 1 260px;background:var(--panneau);border:1px solid var(--trait);
  border-radius:2px;padding:14px 16px;color:var(--texte);font-family:var(--fCorps);font-size:15px}
.letter input:focus{outline:none;border-color:var(--acc)}

/* ---------- pied ---------- */
footer{border-top:1px solid var(--trait);background:var(--bg2);padding:clamp(46px,6vw,72px) 0 34px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot h4{font-family:var(--fGrav);font-size:10px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--doux);margin:0 0 16px;font-weight:500}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px}
.foot a:hover{color:var(--acc)}
.foot-brand{display:flex;gap:14px;align-items:flex-start}
.foot-brand .mark{flex:0 0 auto}
.legal{margin-top:44px;padding-top:22px;border-top:1px solid var(--trait);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-family:var(--fGrav);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--doux)}

/* ---------- révélations ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.3,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.09s} .rv.d2{transition-delay:.18s} .rv.d3{transition-delay:.27s}
.rv-l{transform:translateX(-54px)} .rv-r{transform:translateX(54px)}
.rv-l.in,.rv-r.in{transform:none}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .split,.author{grid-template-columns:1fr}
  .hero-txt{max-width:76%}
  .sheet-in{grid-template-columns:1fr}
  .sheet-cover{max-width:230px}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .hero{min-height:clamp(500px,76vh,640px)}
  .hero-txt{max-width:100%}
  .hero-photo img{object-position:70% 42%}
  html[data-mode="nuit"] .hero-veil{background:
    linear-gradient(0deg,var(--bg) 2%,rgba(11,10,10,.86) 34%,rgba(11,10,10,.52) 72%,rgba(11,10,10,.22) 100%),
    linear-gradient(180deg,rgba(78,0,1,.42) 0%,transparent 56%)}
  html[data-mode="papier"] .hero-veil{background:
    linear-gradient(0deg,var(--bg) 2%,rgba(241,231,213,.88) 34%,rgba(241,231,213,.58) 72%,rgba(241,231,213,.28) 100%)}
  .hero-ink{-webkit-mask-image:linear-gradient(0deg,#000 0 42%,transparent 82%);
    mask-image:linear-gradient(0deg,#000 0 42%,transparent 82%)}
  nav.main{position:fixed;inset:68px 0 auto 0;background:var(--bg);flex-direction:column;
    gap:0;padding:8px var(--pad) 22px;border-bottom:1px solid var(--trait);
    display:none;z-index:59}
  nav.main.open{display:flex}
  nav.main a{padding:15px 0;border-bottom:1px solid var(--trait);font-size:13px}
  .burger{display:grid}
  .shelf{grid-template-columns:1fr;gap:44px}
  .bookcard{display:grid;grid-template-columns:130px 1fr;gap:20px;align-items:start}
  .foot{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:18px;text-align:left}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
  .rv-l,.rv-r{transform:none}
  .hero-ink path{stroke-dashoffset:0}
  .hero-photo img{transform:none}
}


/* ============================ PAGE DE LIVRE ============================ */
.crumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin-bottom:clamp(26px,4vw,44px);
  font-family:var(--fGrav);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--doux)}
.crumb a:hover{color:var(--acc)}
.crumb i{font-style:normal;opacity:.5}

.bp-hero{position:relative;overflow:hidden;padding-top:clamp(34px,5vw,54px)}
.bp-hero::before{content:"";position:absolute;top:-40%;right:-10%;width:70%;height:150%;z-index:0;
  background:radial-gradient(closest-side,var(--teinte,#740001) 0%,transparent 72%);
  opacity:.30;pointer-events:none}
html[data-mode="papier"] .bp-hero::before{opacity:.16}
.bp-hero > .wrap{position:relative;z-index:1}

.bp-in{display:grid;grid-template-columns:340px 1fr;gap:clamp(30px,5vw,64px);align-items:start}
.bp-cover .cover{box-shadow:0 30px 62px rgba(0,0,0,.55)}
html[data-mode="papier"] .bp-cover .cover{box-shadow:0 24px 46px rgba(78,0,1,.26)}
.bp-title{font-family:var(--fDisp);font-weight:700;text-transform:uppercase;
  font-size:clamp(32px,5.4vw,62px);line-height:.94;margin:6px 0 8px}
.byline{font-family:var(--fGrav);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--doux);margin:0}
.bp-blurb{margin-top:26px;font-size:17.5px;max-width:60ch}
.bp-blurb p{margin:0 0 15px}

.buy{margin-top:34px;border:1px solid var(--trait);border-radius:3px;padding:24px;
  background:var(--panneau);max-width:560px}
.buy h2{font-family:var(--fGrav);font-weight:500;font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--acc);margin:0 0 20px}
.buy .row{margin-bottom:18px}
.buy .lbl{font-family:var(--fGrav);font-size:9.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--doux);display:block;margin-bottom:9px}

.excerpt{border-left:2px solid var(--sang);padding:6px 0 6px 22px;font-size:17.5px;max-width:64ch}
.excerpt p{margin:0 0 15px}

/* ============================ LA LETTRE ============================ */
.let-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.consent{display:flex;gap:11px;align-items:flex-start;justify-content:center;
  margin:18px auto 0;max-width:46ch;text-align:left;
  font-size:13.5px;line-height:1.6;color:var(--doux);cursor:pointer}
.consent input{margin:4px 0 0;width:16px;height:16px;flex:0 0 auto;accent-color:var(--sang)}
.consent a{color:var(--acc);border-bottom:1px solid transparent}
.consent a:hover{border-bottom-color:var(--acc)}
#letHp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
#letSink{position:absolute;width:0;height:0;border:0;visibility:hidden}
.note[data-state="ok"]{color:var(--acc)}
.note[data-state="err"]{color:var(--sang-clair)}
html[data-mode="papier"] .note[data-state="err"]{color:var(--sang)}

@media(max-width:900px){
  .bp-in{grid-template-columns:1fr;gap:30px}
  .bp-cover{max-width:250px}
}

/* sélecteur six langues : compact sur petits écrans */
@media(max-width:760px){
  .langs button{padding:6px 7px;font-size:9px;letter-spacing:.05em}
  .topbar{gap:10px}
}


/* ================= COUVERTURE 3D (livre qui se retourne) ================= */
.cover.is3d{overflow:visible;background:transparent;box-shadow:none}
.cover.is3d::after{display:none}
.bookcard:hover .cover.is3d{transform:none;box-shadow:none}
/* ombre au sol, à plat derrière le livre */
.cover.is3d::before{content:"";position:absolute;left:9%;right:9%;bottom:-4%;height:11%;
  border-radius:50%;background:radial-gradient(50% 60% at 50% 50%,rgba(0,0,0,.5),transparent 72%);
  filter:blur(6px);z-index:0}
.b3d-scene{position:absolute;inset:0;z-index:1;
  perspective:1400px;perspective-origin:50% 44%}
.b3d{position:absolute;top:0;left:0;width:100%;height:100%;transform-style:preserve-3d;
  transform:rotateY(18deg) rotateX(3deg) translateZ(calc(var(--d,16px) / -2));
  transition:transform 1s cubic-bezier(.62,.03,.2,1)}
.b3d-face{position:absolute;overflow:hidden}
.b3d-front,.b3d-back{width:var(--w,100%);height:var(--h,100%);top:0;left:0;
  backface-visibility:hidden;border-radius:2px 4px 4px 2px}
.b3d-front{transform:translateZ(calc(var(--d,16px) / 2));
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.28), inset 24px 0 44px -30px rgba(255,255,255,.22)}
.b3d-back{transform:rotateY(180deg) translateZ(calc(var(--d,16px) / 2));border-radius:4px 2px 2px 4px}
.b3d-front img,.b3d-back img{width:100%;height:100%;object-fit:cover;display:block}
.b3d-spine{width:var(--d,16px);height:var(--h,100%);top:0;left:calc(50% - var(--d,16px) / 2);
  transform:rotateY(-90deg) translateZ(calc(var(--w,120px) / 2));
  box-shadow:inset 18px 0 26px -18px rgba(0,0,0,.6)}
.b3d-spine img{width:100%;height:100%;object-fit:cover;display:block}
.b3d-spine-plain{background:linear-gradient(180deg,var(--sang),#3a0605)}
.b3d-pages{width:var(--d,16px);height:var(--h,100%);top:0;left:calc(50% - var(--d,16px) / 2);
  transform:rotateY(90deg) translateZ(calc(var(--w,120px) / 2));
  background:repeating-linear-gradient(90deg,#efe2c8 0,#efe2c8 1px,#cbb992 1px,#cbb992 3px);
  box-shadow:inset 0 0 12px rgba(0,0,0,.3)}
.b3d-top{width:var(--w,100%);height:var(--d,16px);top:calc(50% - var(--d,16px) / 2);left:0;
  transform:rotateX(90deg) translateZ(calc(var(--h,160px) / 2));
  background:repeating-linear-gradient(0deg,#efe2c8 0,#efe2c8 1px,#cbb992 1px,#cbb992 3px)}
/* retournement vers la 4e : seulement là où il y a un vrai survol */
@media(hover:hover){
  .cover:hover .b3d, .cover:focus-within .b3d{transform:rotateY(164deg) rotateX(3deg) translateZ(calc(var(--d,16px) / 2))}
}
@media(prefers-reduced-motion:reduce){ .b3d{transition:none} }


/* ============ LOGO TERRACOTTA EN FOND DE HERO ============ */
.hero-mark{position:absolute;top:50%;left:0;--mark-x:-26%;--mark-op:.45;
  transform:translate(var(--mark-x),-50%);
  height:104%;width:auto;z-index:2;pointer-events:none;
  opacity:var(--mark-op);
  -webkit-mask-image:linear-gradient(90deg,#000 40%,transparent 90%);
          mask-image:linear-gradient(90deg,#000 40%,transparent 90%);
  animation:heroMarkIn 1.2s cubic-bezier(.2,.75,.25,1) .05s both}
@keyframes heroMarkIn{from{opacity:0;transform:translate(118%,-50%)}to{opacity:var(--mark-op);transform:translate(var(--mark-x),-50%)}}
.hero-mark img{height:100%;width:auto;display:block}
@media(max-width:760px){
  .hero-mark{height:82%;--mark-op:.36;--mark-x:-40%}
}
@media(prefers-reduced-motion:reduce){ .hero-mark{opacity:var(--mark-op)} }


/* ============================ LE JOURNAL (page « La lettre ») ============================ */
.journal{max-width:760px}
.post{padding:clamp(30px,5vw,52px) 0;border-top:1px solid var(--trait)}
.post:first-child{border-top:0;padding-top:0}
.post-date{font-family:var(--fGrav);font-size:10px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--acc);margin:0 0 12px}
.post-title{font-family:var(--fDisp);font-weight:700;text-transform:uppercase;
  font-size:clamp(24px,3.4vw,38px);line-height:1.02;margin:0 0 18px}
.post-body{font-size:17.5px;line-height:1.75;color:var(--texte);max-width:64ch}
.post-body p{margin:0 0 16px}
.post-body p:last-child{margin-bottom:0}
html[data-mode="nuit"] .post-body{color:var(--parch-clair)}


/* ============================ LA LISEUSE (feuilleter l'extrait) ============================ */
/* Le papier de la liseuse reste chaud et clair, indépendamment du fond du site. */
html[data-mode="nuit"]{--pageBg:#F3E9D6;--pageBg2:#EADFC7;--pageTxt:#231b12;--pageDoux:#7a6a52;--pageTrait:rgba(80,55,25,.18);--pageAcc:#8a1a12}
html[data-mode="papier"]{--pageBg:#FBF5EA;--pageBg2:#F3E9D6;--pageTxt:#20160F;--pageDoux:#6B5B47;--pageTrait:rgba(116,0,1,.16);--pageAcc:#740001}

/* bouton d'ouverture, dans la section « Extrait » */
.feuilleter{display:flex;flex-wrap:wrap;gap:12px}
.feuilleter .btn .ic{font-size:15px;line-height:0;margin-top:-1px}

/* bloc d'achat : petit halo quand on y revient depuis la fin de l'extrait */
.buy{transition:box-shadow .5s,border-color .5s}
.buy.lz-flash{border-color:var(--acc);box-shadow:0 0 0 3px rgba(238,186,48,.30),var(--ombre)}

.lz-open{position:fixed;inset:0;z-index:100;display:none;
  --lzTxt:#EADBC2;--lzDoux:#9E8B72;--lzAcc:#EEBA30;--lzTrait:rgba(210,180,140,.22)}
.lz-open.on{display:block}
.lz-backdrop{position:absolute;inset:0;background:rgba(6,5,5,.88);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;transition:opacity .4s ease}
.lz-open.on .lz-backdrop{opacity:1}
.lz-stage{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:clamp(10px,3vw,28px);gap:14px}

.lz-head{width:min(940px,96vw);display:flex;align-items:center;justify-content:space-between;gap:14px;
  color:var(--lzTxt);opacity:0;transform:translateY(-8px);transition:opacity .4s .1s ease,transform .4s .1s ease}
.lz-open.on .lz-head{opacity:1;transform:none}
.lz-head .t{min-width:0}
.lz-head .k{font-family:var(--fGrav);font-size:9.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--lzAcc);margin:0 0 3px}
.lz-head .h{font-family:var(--fDisp);font-weight:500;text-transform:uppercase;letter-spacing:.02em;
  font-size:clamp(15px,2.4vw,20px);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lz-head .tools{display:flex;gap:8px;flex:0 0 auto}
.lz-ico{width:38px;height:38px;border:1px solid var(--lzTrait);border-radius:50%;display:grid;place-items:center;
  font-size:16px;color:var(--lzTxt);background:rgba(255,255,255,.04);transition:.18s}
.lz-ico:hover{border-color:var(--lzAcc);color:var(--lzAcc)}

.lz-book-wrap{display:flex;align-items:center;gap:clamp(8px,2vw,20px);
  opacity:0;transform:scale(.96);transition:opacity .45s cubic-bezier(.2,.8,.3,1),transform .45s cubic-bezier(.2,.8,.3,1)}
.lz-open.on .lz-book-wrap{opacity:1;transform:none}
.lz-nav{width:clamp(42px,6vw,54px);height:clamp(42px,6vw,54px);flex:0 0 auto;border:1px solid var(--lzTrait);
  border-radius:50%;display:grid;place-items:center;color:var(--lzTxt);font-family:var(--fCorps);font-size:26px;line-height:0;
  background:rgba(255,255,255,.04);transition:.18s}
.lz-nav:hover{border-color:var(--lzAcc);color:var(--lzAcc);transform:translateY(-2px)}
.lz-nav[disabled]{opacity:.26;cursor:default;transform:none;border-color:var(--lzTrait);color:var(--lzTxt)}

.lz-book{position:relative;width:var(--bw,700px);height:var(--ph,520px);
  perspective:2600px;-webkit-perspective:2600px;flex:0 0 auto}
.lz-book::before{content:"";position:absolute;left:3%;right:3%;bottom:-5%;height:7%;
  background:radial-gradient(50% 60% at 50% 50%,rgba(0,0,0,.55),transparent 72%);filter:blur(8px);z-index:0}

.lz-page{position:absolute;top:0;height:var(--ph);width:var(--pw);overflow:hidden;background:var(--pageBg);
  box-shadow:0 14px 40px rgba(0,0,0,.30);z-index:1}
.lz-page.l{left:0;border-radius:3px 2px 2px 3px}
.lz-page.r{left:var(--pw);border-radius:2px 3px 3px 2px}
.lz-book.single .lz-page.l{display:none}
.lz-book.single .lz-page.r{left:0}
.lz-page::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(0deg,rgba(80,55,25,.03) 0 1px,transparent 1px 3px)}
.lz-page.l::before{content:"";position:absolute;top:0;bottom:0;right:0;width:14%;pointer-events:none;
  background:linear-gradient(270deg,rgba(60,40,15,.20),transparent);z-index:3}
.lz-page.r::before{content:"";position:absolute;top:0;bottom:0;left:0;width:14%;pointer-events:none;
  background:linear-gradient(90deg,rgba(60,40,15,.20),transparent);z-index:3}
.lz-book.single .lz-page.r::before{display:none}
.lz-book:not(.single)::after{content:"";position:absolute;top:5px;bottom:5px;left:-6px;width:7px;border-radius:3px 0 0 3px;
  background:repeating-linear-gradient(0deg,#efe2c8 0,#efe2c8 1px,#cbb992 1px,#cbb992 3px);box-shadow:-2px 0 6px rgba(0,0,0,.3);z-index:0}
.lz-edge-r{position:absolute;top:5px;bottom:5px;right:-6px;width:7px;border-radius:0 3px 3px 0;
  background:repeating-linear-gradient(0deg,#efe2c8 0,#efe2c8 1px,#cbb992 1px,#cbb992 3px);box-shadow:2px 0 6px rgba(0,0,0,.3);z-index:0}

.lz-flip{position:absolute;top:0;height:var(--ph);width:var(--pw);z-index:6;display:none;
  transform-style:preserve-3d;-webkit-transform-style:preserve-3d;
  transition:transform .82s cubic-bezier(.62,.03,.2,1);will-change:transform}
.lz-flip.on{display:block}
.lz-flip.right{left:var(--pw);transform-origin:left center;-webkit-transform-origin:left center}
.lz-flip.left{left:0;transform-origin:right center;-webkit-transform-origin:right center}
.lz-face{position:absolute;inset:0;overflow:hidden;background:var(--pageBg);
  -webkit-backface-visibility:hidden;backface-visibility:hidden;box-shadow:0 14px 40px rgba(0,0,0,.32)}
.lz-face.f-front{border-radius:2px 3px 3px 2px}
.lz-face.f-back{transform:rotateY(180deg);border-radius:3px 2px 2px 3px}
.lz-face::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(0deg,rgba(80,55,25,.03) 0 1px,transparent 1px 3px)}
.lz-shade{position:absolute;inset:0;pointer-events:none;background:rgba(0,0,0,0);transition:background .82s ease}
.lz-flip.turning.right .f-front .lz-shade{background:linear-gradient(90deg,rgba(0,0,0,.28),transparent 60%)}
.lz-flip.turning.left  .f-front .lz-shade{background:linear-gradient(270deg,rgba(0,0,0,.28),transparent 60%)}

.lz-pg{position:absolute;inset:0;display:flex;flex-direction:column;color:var(--pageTxt);z-index:2;
  padding:clamp(20px,5%,34px) clamp(18px,6%,30px) clamp(22px,6%,34px)}
.lz-page.l .lz-pg,.lz-flip .f-back .lz-pg{padding-right:clamp(26px,9%,44px)}
.lz-page.r .lz-pg,.lz-flip .f-front .lz-pg{padding-left:clamp(26px,9%,44px)}
.lz-col{flex:1 1 auto;overflow:hidden;font-family:var(--fCorps);font-weight:300;
  font-size:clamp(13px,2.7vw,16px);line-height:1.64;text-align:justify;-webkit-hyphens:auto;hyphens:auto}
.lz-col p{margin:0 0 .7em}.lz-col p:last-child{margin-bottom:0}
.lz-num{flex:0 0 auto;text-align:center;margin-top:8px;font-family:var(--fGrav);font-size:8.5px;
  letter-spacing:.24em;text-transform:uppercase;color:var(--pageDoux)}
.lz-col.drop > p:first-of-type::first-letter{font-family:var(--fGrav);font-weight:700;float:left;line-height:.72;
  font-size:3.3em;padding:6px 9px 0 0;color:var(--pageAcc)}

.lz-pg.end{justify-content:center;text-align:center}
.lz-pg.end .ttl{font-family:var(--fGrav);font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--pageDoux);margin:0 0 12px}
.lz-pg.end .h{font-family:var(--fDisp);font-weight:500;text-transform:uppercase;font-size:clamp(16px,3.6vw,23px);color:var(--pageTxt);margin:0 0 8px;line-height:1.1}
.lz-pg.end .sub{font-size:12.5px;color:var(--pageDoux);margin:0 auto 22px;max-width:26ch}
.lz-buyc{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:2px;cursor:pointer;
  font-family:var(--fGrav);font-weight:700;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  background:var(--pageAcc);color:#F3E9D6;border:1px solid var(--pageAcc);transition:transform .16s,box-shadow .16s}
.lz-buyc:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(116,0,1,.35)}

.lz-foot{display:flex;flex-direction:column;align-items:center;gap:9px;opacity:0;transform:translateY(8px);
  transition:opacity .4s .12s ease,transform .4s .12s ease}
.lz-open.on .lz-foot{opacity:1;transform:none}
.lz-count{font-family:var(--fGrav);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--lzDoux)}
.lz-count b{color:var(--lzAcc);font-weight:500}
.lz-dots{display:flex;gap:7px;flex-wrap:wrap;justify-content:center;max-width:min(940px,96vw)}
.lz-dots i{width:7px;height:7px;border-radius:50%;background:var(--lzTrait);cursor:pointer;transition:.2s}
.lz-dots i.on{background:var(--lzAcc);transform:scale(1.25)}
.lz-hint{font-family:var(--fGrav);font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--lzDoux);opacity:.75}

.lz-page.lz-slide-next{animation:lzNext .34s ease}
.lz-page.lz-slide-prev{animation:lzPrev .34s ease}
@keyframes lzNext{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:none}}
@keyframes lzPrev{from{opacity:0;transform:translateX(-18px)}to{opacity:1;transform:none}}

@media(max-width:820px){
  .lz-nav{position:fixed;bottom:20px;z-index:9}
  .lz-nav.prev{left:16px}.lz-nav.next{right:16px}
}
@media(prefers-reduced-motion:reduce){
  .lz-flip{transition:none}
  .lz-backdrop,.lz-head,.lz-book-wrap,.lz-foot{transition:none}
  .lz-page.lz-slide-next,.lz-page.lz-slide-prev{animation:none}
}

.lz-blank{align-items:center;justify-content:center}
.lz-orn{font-family:var(--fGrav);color:var(--pageDoux);opacity:.45;font-size:22px;line-height:1}


/* ============================ ÉTAGÈRE « LOUPE » (accueil) ============================ */
.shelf.etagere{display:block;position:relative;grid-template-columns:none;gap:0}
.eg-mask{overflow:hidden;padding-top:120px;padding-bottom:12px}   /* padding-top ajusté en JS selon la taille réelle */
.eg-track{display:flex;gap:clamp(30px,3.2vw,54px);width:max-content;align-items:flex-end;will-change:transform}

.shelf.etagere .bookcard{flex:0 0 auto;width:clamp(148px,16vw,200px);gap:14px;
  transform-origin:bottom center;transition:transform .12s ease-out;will-change:transform,opacity}
/* dans l'étagère, les cartes restent des couvertures : on masque le pitch/tags/lien */
/* les titres/année sous les couvertures font doublon : on les retire visuellement (gardés en DOM pour lecteurs d'écran et référencement) */
.shelf.etagere .bookmeta{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
/* la carte gère elle-même le mouvement : on neutralise le petit soulèvement au survol de la couverture */
.shelf.etagere .bookcard:hover .cover{transform:none;box-shadow:var(--ombre)}
.shelf.etagere .bookcard:hover .cover.is3d{transform:none;box-shadow:none}
/* le retournement 3D reste, sauf pendant le défilement */
.eg-track.scrolling .cover:hover .b3d{transform:rotateY(18deg) rotateX(3deg) translateZ(calc(var(--d,16px) / -2))}

.eg-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:60;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--trait);background:var(--panneau);color:var(--texte);
  font-family:var(--fCorps);font-size:24px;line-height:0;cursor:pointer;display:grid;place-items:center;transition:.18s}
.eg-arrow:hover{border-color:var(--acc);color:var(--acc)}
.eg-arrow.l{left:-4px}.eg-arrow.r{right:-4px}
@media(hover:none){.eg-arrow{display:none}}   /* écran tactile : on glisse au doigt */

@media(max-width:820px){
  .shelf.etagere .bookcard{display:flex;flex-direction:column;width:clamp(140px,46vw,180px)}
}
@media(prefers-reduced-motion:reduce){
  .shelf.etagere .bookcard{transition:none}
}


/* ============================ LECTEUR D'AMBIANCE (accueil + librairie) ============================ */
#amb{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.amb-row{display:flex;align-items:center;gap:8px}
.amb-pill{display:flex;align-items:center;gap:10px;border:1px solid var(--trait);background:var(--panneau);color:var(--texte);
  border-radius:26px;padding:9px 15px;cursor:pointer;box-shadow:var(--ombre);transition:border-color .18s,color .18s}
.amb-pill:hover{border-color:var(--acc)}
.amb-eq{display:inline-flex;align-items:flex-end;gap:2px;height:14px;width:17px}
.amb-eq i{width:3px;height:28%;background:var(--acc);border-radius:2px}
#amb.on .amb-eq i{animation:ambEq .9s ease-in-out infinite}
#amb.on .amb-eq i:nth-child(2){animation-delay:.15s}
#amb.on .amb-eq i:nth-child(3){animation-delay:.30s}
#amb.on .amb-eq i:nth-child(4){animation-delay:.45s}
@keyframes ambEq{0%,100%{height:22%}50%{height:100%}}
.amb-lab{font-family:var(--fGrav);font-size:10px;letter-spacing:.2em;text-transform:uppercase}
.amb-gear{border:1px solid var(--trait);background:var(--panneau);color:var(--doux);border-radius:50%;width:36px;height:36px;
  display:grid;place-items:center;cursor:pointer;font-size:16px;line-height:0;box-shadow:var(--ombre);transition:.18s}
.amb-gear:hover{border-color:var(--acc);color:var(--acc)}

.amb-panel{display:none;flex-direction:column;gap:12px;width:238px;padding:15px;
  background:var(--panneau);border:1px solid var(--trait);border-radius:8px;box-shadow:var(--ombre)}
#amb.open .amb-panel{display:flex}
.amb-panel .prow{display:flex;align-items:center;gap:10px}
.amb-panel .amb-lab{color:var(--doux)}
.amb-panel input[type=range]{flex:1;accent-color:var(--acc);height:3px}
.amb-mute{font-family:var(--fGrav);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--texte);
  border:1px solid var(--trait);border-radius:20px;padding:7px 14px;cursor:pointer;background:none;transition:.18s}
.amb-mute:hover{border-color:var(--acc);color:var(--acc)}
.amb-mute[aria-pressed="true"]{border-color:var(--acc);color:var(--acc);background:rgba(238,186,48,.10)}
.amb-credit{font-family:var(--fCorps);font-size:11px;color:var(--doux);line-height:1.55;margin:0}
.amb-credit a{color:var(--acc);border-bottom:1px solid transparent}
.amb-credit a:hover{border-bottom-color:var(--acc)}

@media(max-width:560px){ #amb{right:12px;bottom:12px} .amb-panel{width:210px} }
@media(prefers-reduced-motion:reduce){ #amb.on .amb-eq i{animation:none;height:62%} }