/* Les pages de chapitre : le texte seul, lisible sans script, pour les lecteurs pressés et les moteurs.
   Mêmes matières que le jardin (papier xuan, laque, bambou), sans WebGL ni musique. */
@font-face{font-family:'Tao Kai';src:url(assets/wenkai-tao.woff2) format('woff2');font-display:swap}
:root{
  --nuit:#081113; --or:#d8b373; --or-pale:#ecd7a8; --creme:#f3e9d6; --brume:#c9d3cf;
  --encre:#2a1f14; --sceau:#a8321f; --r:15px;
  --ease-out:cubic-bezier(.23,1,.32,1);
  --g:clamp(16px,6vw,112px); --cadre:1140px; --bord:max(var(--g),calc((100% - var(--cadre)) / 2));
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--nuit)}
body{position:relative;min-height:100vh;color:var(--creme);font:400 18px/1.6 'EB Garamond',Georgia,serif;overflow-x:hidden;-webkit-font-smoothing:antialiased}
/* Le jardin, figé et assombri, derrière tout */
body::before{content:"";position:fixed;inset:-12px;z-index:-1;pointer-events:none;filter:blur(3px) saturate(1.1);
  background:linear-gradient(180deg,#0811138c 0%,#081113b8 50%,#081113e0 100%),url(assets/jardin-sakura.webp) 50% 30%/cover}
a{color:inherit}
:focus-visible{outline:2px solid var(--or);outline-offset:3px;border-radius:6px}

/* En-tête : la même que le jardin */
.entete{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:26px var(--bord)}
.marque{display:flex;align-items:baseline;gap:12px;text-decoration:none;text-shadow:0 1px 3px #00000099}
.marque{flex:none}
.marque b{font:400 30px/1 'Ma Shan Zheng',serif;color:#e6c37a;white-space:nowrap}
.marque span{font:500 14px/1 Cinzel,serif;letter-spacing:.22em;text-transform:uppercase;color:#efe9dc}
.entete nav{display:flex;gap:10px;align-items:center}
.nav-jardin,.langue{border-radius:15px;background:#00000066;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid #ffffff26;border-bottom-color:#d8b37399}
.nav-jardin{padding:11px 16px;font:500 14px/1 Cinzel,serif;letter-spacing:.22em;text-transform:uppercase;text-decoration:none;white-space:nowrap;color:#fbf3e2;transition:border-color .2s ease,color .2s ease}
@media (hover:hover){.nav-jardin:hover{color:var(--or-pale);border-color:var(--or)}}
.langue{display:flex;gap:2px;padding:4px}
.langue a{display:flex;align-items:center;padding:7px 11px;border-radius:11px;font:500 13px/1 Cinzel,serif;letter-spacing:.16em;text-decoration:none;color:#f3f5f4e6;transition:background-color .2s ease,color .2s ease}
.langue a[aria-current]{background:#d8b37347;color:#f3e2b3;box-shadow:inset 0 0 0 1px #d8b373a6}
@media (hover:hover){.langue a:not([aria-current]):hover{color:var(--creme);background:#ffffff12}}

/* La lecture : colonne de verre à gauche, feuille de papier à droite */
.ch{display:grid;grid-template-columns:minmax(250px,280px) minmax(0,1fr);gap:clamp(28px,2.8vw,40px);align-items:start;padding:clamp(24px,5vh,56px) var(--bord) 72px}
.colonne{position:sticky;top:28px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:0 22px;padding:26px 22px 22px;border-radius:var(--r);
  background:#08121499;border:1px solid #ffffff1f;-webkit-backdrop-filter:blur(14px) saturate(1.1);backdrop-filter:blur(14px) saturate(1.1);box-shadow:0 30px 80px #0000004d}
.cartouche{display:flex;flex-direction:column;align-items:center;padding:16px 10px 12px;border:1px solid #d8b37380;border-radius:4px;box-shadow:inset 0 0 0 4px #d8b37340}
.num-zh{font:400 34px/1.08 'Ma Shan Zheng',serif;color:var(--or-pale);writing-mode:vertical-rl;letter-spacing:.04em;text-shadow:0 0 24px #d8b37340}
.cachet{display:grid;place-items:center;width:40px;height:40px;margin-top:14px;border-radius:5px;background:var(--sceau);color:#f8ead2;font:400 16px/1 'Ma Shan Zheng',serif;writing-mode:vertical-rl;transform:rotate(-4deg);box-shadow:inset 0 0 0 2px #f8ead233}
.fiche{display:flex;flex-direction:column;justify-content:center;gap:10px;padding:4px 0}
.partie{font:500 12px/1.4 Cinzel,serif;letter-spacing:.16em;text-transform:uppercase;color:var(--or)}
.chap{margin-top:8px;font:500 14px/1 Cinzel,serif;letter-spacing:.22em;text-transform:uppercase;color:var(--brume)}
.num{font:500 76px/.9 'EB Garamond',serif;color:#f6eedd;font-variant-numeric:tabular-nums lining-nums;letter-spacing:-.02em}
.sur{font-size:17px;color:#c9d3cf}
.nav{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:26px;padding-top:22px;border-top:1px solid #d8b37333}
.nav a{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 8px;border-radius:10px;border:1px solid #ffffff1a;background:#ffffff0a;
  font:500 17px/1.2 'EB Garamond',serif;text-decoration:none;white-space:nowrap;transition:background-color .2s ease,border-color .2s ease,transform 160ms var(--ease-out)}
@media (hover:hover){.nav a:hover{background:#ffffff17;border-color:#d8b37366}}
.nav a:active{transform:scale(.97)}
.nav .flt{color:var(--or);font-size:17px}
.nav .cta{grid-column:1/-1;justify-content:space-between;padding:15px 18px;border:0;background:var(--or);color:#1a130a;
  font:600 13px/1 Cinzel,serif;letter-spacing:.16em;text-transform:uppercase;box-shadow:0 10px 40px #d8b37333,inset 0 1px 0 #fff3d299}
@media (hover:hover){.nav .cta:hover{background:var(--or-pale)}}

.papier{position:relative;padding:clamp(34px,4.4vw,64px) clamp(26px,4.4vw,64px) clamp(44px,5vw,72px);border-radius:6px;color:var(--encre);
  background:linear-gradient(90deg,#5a3d1f4d 0,#fff8e8b3 5px,#fff8e800 13px,#3a241026 24px,#3a241000 56px,#3a241000 calc(100% - 56px),#3a241026 calc(100% - 24px),#fff8e800 calc(100% - 13px),#fff8e8b3 calc(100% - 5px),#5a3d1f4d 100%),#efe2c6 url(assets/papier-xuan.webp) 0 0/560px;
  box-shadow:0 40px 90px #000000a6,0 4px 12px #00000066}
.papier h1{display:flex;flex-direction:column;gap:14px;margin-bottom:clamp(26px,3vw,38px);font:500 clamp(44px,5vw,68px)/.95 'EB Garamond',serif;letter-spacing:-.015em;color:#24180c}
.papier h1 span{font:600 13px/1.3 Cinzel,serif;letter-spacing:.2em;text-transform:uppercase;color:#8a2a18}
.corps{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(24px,3vw,48px);align-items:start}
.texte{max-width:62ch;font-size:clamp(19px,1.35vw,21px);line-height:1.62}
.texte p{white-space:pre-line}
.texte .vers{display:block;padding-left:1.2em;text-indent:-1.2em}
.texte p+p{margin-top:1em}
.texte p:first-child{font-size:1.12em;line-height:1.5}
.zh{writing-mode:vertical-rl;max-height:min(70vh,640px);font:400 25px/1.75 'Tao Kai','Ma Shan Zheng',serif;letter-spacing:.08em;color:#3a2814;padding-left:clamp(18px,2vw,30px);border-left:1px solid #8a5a2a40}
.sceau{position:absolute;right:clamp(20px,3vw,40px);bottom:clamp(18px,2.4vw,30px);display:grid;place-items:center;width:46px;height:46px;border-radius:6px;background:var(--sceau);color:#f8ead2;
  font:400 18px/1 'Ma Shan Zheng',serif;writing-mode:vertical-rl;transform:rotate(-5deg);opacity:.9;box-shadow:inset 0 0 0 2px #f8ead233}

/* Le sommaire : les 81 lamelles de bambou, chacune un lien */
.sommaire{padding:24px var(--bord) 40px}
.sommaire h2{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;font:500 clamp(34px,3.4vw,48px)/1 'EB Garamond',serif;color:#f6eedd}
.sommaire h2 b{font:500 14px/1 Cinzel,serif;letter-spacing:.22em;text-transform:uppercase;color:var(--or)}
.lamelles{list-style:none;display:grid;grid-template-columns:repeat(27,minmax(0,1fr));gap:16px 7px}
.lamelles a{position:relative;height:132px;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:10px 0 7px;border-radius:3px;text-decoration:none;
  background:#c9a66a url(assets/bambou.webp) 0 0/90px;box-shadow:inset 1px 0 0 #fff2cc59,inset -2px 0 3px #4a2e1166,6px 8px 8px #00000099;
  transform-origin:50% 100%;transition:transform 220ms var(--ease-out),box-shadow .2s ease}
.lamelles li:nth-child(3n) a{background-position:30px 40px}.lamelles li:nth-child(3n+1) a{background-position:60px 90px}
.lamelles li:nth-child(4n+1) a{filter:brightness(.94) saturate(1.05)}.lamelles li:nth-child(7n+3) a{filter:brightness(.9) sepia(.12)}
.lamelles a::before{content:"";position:absolute;left:-4px;right:-4px;top:5px;height:3px;background:#6e4b25;opacity:.85}
.lz{writing-mode:vertical-rl;font:400 18px/1 'Ma Shan Zheng',serif;color:#2a1a0c;margin-top:8px}
.lz.seul{font-size:23px}
.ln{font:600 13px/1 Cinzel,serif;color:#3a2814;padding:3px 3px 2px;border-radius:3px;min-width:22px;text-align:center;font-variant-numeric:lining-nums tabular-nums}
.lamelles a[aria-current]{transform:translateY(-6px);box-shadow:inset 1px 0 0 #fff2cc59,0 0 0 2px var(--sceau),0 0 26px #e0705a80}
.lamelles a[aria-current] .ln{background:var(--sceau);color:#f6ead0}
@media (hover:hover){.lamelles a:hover{transform:translateY(-6px) rotate(-2deg);box-shadow:inset 1px 0 0 #fff2cc59,12px 18px 16px #000000a6}}
.lamelles a:active{transform:scale(.97)}

.pied{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 40px;padding:28px var(--bord) 44px;border-top:1px solid #d8b37326;font-size:16px;color:#c9d3cf}
.pied p:first-child{max-width:70ch}
.pied a{color:var(--or-pale)}

@media (max-width:1100px){.lamelles{grid-template-columns:repeat(14,minmax(0,1fr))}}
@media (max-width:860px){
  .ch{grid-template-columns:1fr}
  .colonne{position:static}
  .corps{grid-template-columns:1fr}
  .zh{writing-mode:horizontal-tb;max-height:none;font-size:21px;line-height:1.8;padding:24px 0 0;border-left:0;border-top:1px solid #8a5a2a40}
}
@media (max-width:760px){
  body{font-size:17px}
  .entete{padding:16px}
  .marque span{display:none}
  .nav-jardin{padding:10px 12px;font-size:13px;letter-spacing:.12em}
  .ch{padding:8px 16px 48px;gap:20px}
  /* Au téléphone, la fiche du chapitre tient en une carte basse : le texte commence tôt */
  .colonne{padding:16px;gap:0 16px;align-items:center}
  .cartouche{padding:10px 6px 8px}
  .num-zh{font-size:22px}
  .cachet{width:28px;height:28px;margin-top:8px;font-size:11px}
  .fiche{display:grid;grid-template-columns:auto 1fr;align-items:baseline;gap:4px 10px;padding:0}
  .partie,.chap{grid-column:1/-1}
  .chap{margin-top:2px}
  .num{font-size:50px}
  .nav{margin-top:16px;padding-top:14px}
  .nav a{padding:10px 8px}
  .nav .cta{padding:13px 16px}
  .papier{padding:30px 20px 76px}
  .texte{font-size:18.5px}
  .sommaire{padding:16px 16px 32px}
  .lamelles{grid-template-columns:repeat(9,minmax(0,1fr));gap:14px 6px}
  .lamelles a{height:104px}
  .lz{font-size:15px}.lz.seul{font-size:19px}
  .ln{font-size:13px;min-width:0;padding:3px 0 2px}
  .pied{padding:24px 16px 36px}
  .marque b{font-size:26px}
}
@media (max-width:380px){.entete{gap:8px}.nav-jardin{padding:10px 9px;letter-spacing:.08em}.langue a{padding:7px 8px;letter-spacing:.08em}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}.lamelles a[aria-current]{transform:none}}