:root{--bg:#0e1118;--paper:#f5efe3;--ink:#211914;--text:#f8f1e6;--muted:#b8ad9c;--gold:#d7ad6a;--gold2:#f0d29a;--line:rgba(255,255,255,.15);--card:rgba(255,255,255,.07);--shadow:0 30px 90px rgba(0,0,0,.45);--serif:Georgia,'Times New Roman',serif;--sans:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 15% 8%,rgba(215,173,106,.16),transparent 30%),linear-gradient(180deg,#121520,#07080d);color:var(--text);font-family:var(--sans);min-height:100vh}.texture{position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");mix-blend-mode:soft-light}.topbar{position:sticky;top:0;z-index:20;height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,46px);background:rgba(9,10,14,.74);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:baseline;color:var(--text);text-decoration:none;letter-spacing:.08em}.brand b{color:var(--gold)}.brand span{font-size:.82rem;color:var(--muted);letter-spacing:0}.topbar nav{display:flex;align-items:center;gap:16px}.topbar a,.topbar button{color:var(--text);text-decoration:none;background:transparent;border:0;font-weight:700;cursor:pointer}.topbar button{border:1px solid var(--line);border-radius:999px;width:40px;height:40px}.hero{width:min(1180px,calc(100% - 32px));margin:0 auto;min-height:calc(100vh - 72px);display:grid;grid-template-columns:1.1fr .72fr;gap:56px;align-items:center;padding:54px 0}.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:var(--gold);font-weight:900;font-size:.75rem}.hero h1{font-family:var(--serif);font-size:clamp(3.2rem,7.4vw,7.8rem);line-height:.92;margin:14px 0 18px;letter-spacing:-.05em}.subtitle{font-family:var(--serif);font-size:clamp(1.25rem,2.3vw,2.35rem);line-height:1.18;color:var(--gold2);max-width:850px}.hero blockquote{margin:28px 0 0;padding-left:22px;border-left:2px solid var(--gold);font-family:var(--serif);font-style:italic;font-size:1.35rem;line-height:1.45;color:#f2dfbd}.heroActions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;border:1px solid var(--line);color:var(--text);text-decoration:none;font-weight:900}.btn.primary{background:linear-gradient(145deg,var(--gold2),var(--gold));color:#20140a;border-color:transparent;box-shadow:0 14px 50px rgba(215,173,106,.22)}.languageSwitch{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.languageSwitch button{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.06);color:var(--text);padding:11px 15px;font-weight:800;cursor:pointer}.languageSwitch button.active{background:var(--gold);color:#20140a}.coverWrap{position:relative;max-width:430px;margin:auto}.coverWrap img{width:100%;aspect-ratio:2/3;object-fit:cover;border-radius:26px;border:1px solid rgba(255,255,255,.22);box-shadow:var(--shadow);position:relative;z-index:2}.coverGlow{position:absolute;inset:7%;background:rgba(215,173,106,.35);filter:blur(60px);z-index:1}
.coverPage{width:min(1060px,calc(100% - 32px));margin:20px auto 74px;text-align:center}
.coverPageInner{border:1px solid var(--line);border-radius:32px;background:rgba(255,255,255,.055);padding:clamp(24px,4vw,46px);box-shadow:var(--shadow)}
.coverPage h2{font-family:var(--serif);font-size:clamp(2.15rem,5vw,5rem);line-height:1;margin:12px 0 10px;color:var(--gold2)}
.coverPage p:not(.eyebrow){color:var(--muted);font-size:1.05rem;line-height:1.75;max-width:720px;margin:0 auto 28px}
.coverPage img{width:min(520px,100%);aspect-ratio:2/3;object-fit:cover;border-radius:22px;border:1px solid rgba(255,255,255,.25);box-shadow:0 28px 90px rgba(0,0,0,.45)}
body.light .coverPageInner{background:rgba(255,255,255,.55);border-color:rgba(55,37,22,.16)}
body.light .coverPage h2{color:#6d4926}

.readingIntro{width:min(880px,calc(100% - 32px));margin:20px auto 70px;text-align:center}.readingIntro h2,.downloads h2{font-family:var(--serif);font-size:clamp(2.2rem,4.6vw,4.4rem);line-height:1;margin:12px 0}.readingIntro p:last-child,.downloads p{color:var(--muted);font-size:1.08rem;line-height:1.8}.readerLayout{width:min(1280px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;align-items:start}.tocCard{position:relative}.tocSticky{position:sticky;top:92px;border:1px solid var(--line);border-radius:26px;background:rgba(255,255,255,.06);padding:18px;max-height:calc(100vh - 116px);overflow:auto}.toc{display:grid;gap:8px}.toc a{display:grid;gap:3px;text-decoration:none;color:var(--text);padding:11px 12px;border-radius:16px;border:1px solid transparent}.toc a:hover{background:rgba(215,173,106,.12);border-color:rgba(215,173,106,.25)}.toc span{color:var(--gold);font-weight:900;font-size:.75rem;text-transform:uppercase;letter-spacing:.12em}.book{display:grid;gap:28px}.book-section{background:var(--paper);color:var(--ink);border-radius:30px;padding:clamp(28px,5vw,62px);box-shadow:var(--shadow);position:relative;overflow:hidden}.book-section:before{content:"";position:absolute;inset:18px;border:1px solid rgba(83,60,37,.12);border-radius:22px;pointer-events:none}.chapter-kicker{text-align:center;color:#8c6338!important;text-transform:uppercase;letter-spacing:.19em;font-size:.77rem;font-weight:900;margin:0 0 8px!important}.book-section h2{text-align:center;font-family:var(--serif);font-size:clamp(2.05rem,4.2vw,4rem);line-height:1.05;margin:0;color:#20140e}.ornament{text-align:center;color:#9b6e3e;margin:10px 0 24px}.book-section p{font-family:var(--serif);font-size:clamp(1.06rem,1.38vw,1.22rem);line-height:1.82;margin:0 0 1.05em;max-width:760px;margin-left:auto;margin-right:auto}.book-section p.emphasis{font-size:clamp(1.28rem,2vw,1.75rem);line-height:1.45;text-align:center;color:#70461f;font-style:italic;margin:1.2em auto}.section-end{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:28px;color:#9b6e3e}.section-end span{height:1px;width:70px;background:rgba(83,60,37,.25)}.downloads{width:min(960px,calc(100% - 32px));margin:80px auto;text-align:center}.downloadGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px}.downloadCard{text-decoration:none;color:var(--text);border:1px solid var(--line);background:rgba(255,255,255,.07);border-radius:24px;padding:24px;text-align:left}.downloadCard strong{display:block;color:var(--gold);font-family:var(--serif);font-size:1.45rem}.downloadCard span{display:block;color:var(--muted);margin-top:8px}footer{border-top:1px solid var(--line);padding:32px;width:min(1180px,calc(100% - 32px));margin:0 auto;color:var(--muted);display:flex;gap:16px;justify-content:space-between}footer strong{color:var(--gold)}.hidden{display:none!important}body.light{background:#efe6d7;color:#1d1915}body.light .topbar{background:rgba(248,241,230,.84)}body.light .topbar a,body.light .topbar button,body.light .brand{color:#1d1915}body.light .subtitle,body.light .hero blockquote{color:#6d4926}body.light .tocSticky,body.light .downloadCard{background:rgba(255,255,255,.55);border-color:rgba(55,37,22,.16)}body.light .toc a{color:#1d1915}body.light .readingIntro p:last-child,body.light .downloads p,body.light footer{color:#5f544a}@media (max-width:900px){.hero{grid-template-columns:1fr;padding-top:34px}.coverWrap{max-width:310px;order:-1}.readerLayout{grid-template-columns:1fr}.tocSticky{position:relative;top:auto;max-height:none}.toc{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar nav a{display:none}}@media (max-width:620px){.coverPage{width:min(100% - 20px,1060px)}.coverPageInner{border-radius:22px;padding:22px 14px}.coverPage h2{font-size:2.35rem}.hero{min-height:auto}.hero h1{font-size:clamp(2.8rem,15vw,4.1rem)}.subtitle{font-size:1.2rem}.heroActions .btn{width:100%}.toc{grid-template-columns:1fr}.downloadGrid{grid-template-columns:1fr}.book-section{border-radius:20px;padding:28px 18px}.book-section:before{display:none}.book-section p{font-size:1.05rem;line-height:1.75}.topbar{height:64px}.brand span{display:none}footer{flex-direction:column}.readerLayout{width:min(100% - 20px,1280px)}}

/* Accueil immersif avec choix de langue */
.landing{position:relative;min-height:100vh;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.72fr);gap:clamp(24px,5vw,70px);align-items:center;padding:clamp(28px,5vw,70px);overflow:hidden;border-bottom:1px solid var(--line)}
.landingBg{position:absolute;inset:0;background:radial-gradient(circle at 18% 18%,rgba(240,210,154,.25),transparent 28%),radial-gradient(circle at 74% 38%,rgba(215,173,106,.18),transparent 32%),linear-gradient(110deg,rgba(0,0,0,.62),rgba(0,0,0,.18)),url('assets/cover-fr.png');background-size:cover;background-position:center;filter:saturate(.9);opacity:.34;transform:scale(1.035)}
.landing:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,8,13,.25),#07080d 96%);pointer-events:none}.landingContent{position:relative;z-index:2;max-width:930px}.landingEyebrow{text-transform:uppercase;letter-spacing:.24em;color:var(--gold2);font-weight:900;font-size:.78rem}.landing h1,.landing h2{font-family:var(--serif);margin:0;letter-spacing:-.045em;text-shadow:0 10px 40px rgba(0,0,0,.45)}.landing h1{font-size:clamp(3.3rem,8vw,8.8rem);line-height:.9;color:#fff5de}.landing h2{font-size:clamp(2rem,4.6vw,5.2rem);line-height:1.02;color:var(--gold2);margin-top:16px}.landingText{font-size:clamp(1.05rem,1.55vw,1.38rem);line-height:1.65;color:#f5ead7;max-width:740px;margin:24px 0 0}.landingText.es{color:#dccab0;margin-top:6px}.landingChoices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:34px}.landingChoices button{border:1px solid rgba(240,210,154,.35);border-radius:26px;background:rgba(10,12,18,.58);color:#fff7e8;padding:24px;text-align:left;cursor:pointer;backdrop-filter:blur(16px);box-shadow:0 22px 80px rgba(0,0,0,.28);transition:transform .2s ease,border-color .2s ease,background .2s ease}.landingChoices button:hover{transform:translateY(-4px);border-color:var(--gold2);background:rgba(215,173,106,.18)}.landingChoices span{display:block;font-family:var(--serif);font-size:clamp(1.45rem,2.3vw,2.35rem);line-height:1.08}.landingChoices small{display:block;margin-top:10px;color:#d7c4aa;font-weight:700;line-height:1.4}.landingQuote{margin-top:30px;display:grid;gap:7px;color:#f1d9ad;font-family:var(--serif);font-style:italic;font-size:1.05rem;line-height:1.55}.landingCovers{position:relative;z-index:2;min-height:560px}.landingCovers img{position:absolute;width:min(310px,42vw);aspect-ratio:2/3;object-fit:cover;border-radius:24px;border:1px solid rgba(255,255,255,.25);box-shadow:0 38px 110px rgba(0,0,0,.56)}.landingCovers img:first-child{right:120px;top:20px;transform:rotate(-5deg)}.landingCovers img:last-child{right:0;bottom:20px;transform:rotate(5deg)}
body.light .landing:after{background:linear-gradient(180deg,rgba(255,246,231,.12),#efe6d7 96%)}body.light .landing h1{color:#fff8ea}body.light .landing h2{color:#f6d99f}.landingEntered .topbar{box-shadow:0 12px 36px rgba(0,0,0,.18)}
@media (max-width:980px){.landing{grid-template-columns:1fr;padding:32px 18px 48px}.landingCovers{min-height:390px;order:-1}.landingCovers img{width:min(240px,47vw)}.landingCovers img:first-child{left:calc(50% - 235px);right:auto;top:8px}.landingCovers img:last-child{right:calc(50% - 235px);bottom:0}.landingChoices{grid-template-columns:1fr}.landing h1{font-size:clamp(3rem,13vw,5.8rem)}}
@media (max-width:560px){.landing{padding:24px 14px 38px}.landingCovers{min-height:290px}.landingCovers img{width:175px;border-radius:18px}.landingCovers img:first-child{left:8px}.landingCovers img:last-child{right:8px}.landingChoices button{padding:20px;border-radius:20px}.landingQuote{font-size:.96rem}.landingText{font-size:1rem}}

/* Version avec pages séparées par langue */
.landingChoices a{border:1px solid rgba(240,210,154,.35);border-radius:26px;background:rgba(10,12,18,.58);color:#fff7e8;padding:24px;text-align:left;cursor:pointer;backdrop-filter:blur(16px);box-shadow:0 22px 80px rgba(0,0,0,.28);transition:transform .2s ease,border-color .2s ease,background .2s ease;text-decoration:none;display:block}
.landingChoices a:hover{transform:translateY(-4px);border-color:var(--gold2);background:rgba(215,173,106,.18)}
.landingChoices a span{display:block;font-family:var(--serif);font-size:clamp(1.45rem,2.3vw,2.35rem);line-height:1.08}
.landingChoices a small{display:block;margin-top:10px;color:#d7c4aa;font-weight:700;line-height:1.4}
.languageSwitch a{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.06);color:var(--text);padding:11px 15px;font-weight:800;text-decoration:none;display:inline-flex}
body.light .languageSwitch a{color:#1d1915}