/* ==========================================================================
   BIBLIOTHÈQUE DASSI — système de design
   Direction : « cahier technique ». Papier chaud, encre bleu-noir, laiton en
   accent unique, schéma au trait comme motif identitaire.

   Sommaire
     1. Jetons
     2. Base & mise en page
     3. Typographie
     4. En-tête / navigation
     5. Boutons
     6. Hero
     7. Couverture d'ouvrage (3D + vignette)
     8. Sections
     9. Catalogue (page bibliothèque)
    10. Fiche d'ouvrage (tomes, sommaire, exercices)
    11. Pied de page
    12. Adaptatif
   ========================================================================== */

/* --- 1. Jetons ----------------------------------------------------------- */

:root{
  /* Encres */
  --ink:        #0e1c2b;
  --ink-2:      #17304a;
  --graphite:   #33475c;
  --slate:      #667e94;
  --hairline:   #ddd6c9;

  /* Papier */
  --paper:      #faf7f1;
  --paper-2:    #f2ede3;
  --card:       #ffffff;

  /* Laiton — accent unique, jamais en grand aplat */
  --brass:      #a9822f;
  --brass-soft: #f0e4c6;

  --blueprint:  #2f6288;
  --green:      #2e9e6b;

  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1180px;

  --r-sm: 4px;
  --r:    8px;
  --r-lg: 16px;

  --shadow: 0 1px 2px rgba(14,28,43,.05), 0 8px 24px -12px rgba(14,28,43,.18);
  --shadow-lift: 0 2px 4px rgba(14,28,43,.06), 0 18px 40px -16px rgba(14,28,43,.28);
}

/* --- 2. Base & mise en page ---------------------------------------------- */

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  color:var(--graphite);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
:focus-visible{ outline:2px solid var(--blueprint); outline-offset:3px; border-radius:2px; }

.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }

/* --- 3. Typographie ------------------------------------------------------ */

h1,h2,h3,h4{
  font-family:var(--serif); font-weight:500; color:var(--ink);
  line-height:1.15; letter-spacing:-.01em;
}

.eyebrow{
  display:block;
  font-family:var(--mono); font-size:.7rem; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color:var(--brass);
}

.lede{ font-size:1.075rem; line-height:1.65; color:var(--graphite); max-width:56ch; }

.footnote{
  font-family:var(--mono); font-size:.66rem; color:var(--slate);
  letter-spacing:.05em;
}

.pill{
  display:inline-block;
  font-family:var(--mono); font-size:.64rem; letter-spacing:.1em; text-transform:uppercase;
  padding:4px 10px; border-radius:999px;
  background:var(--paper-2); border:1px solid var(--hairline); color:var(--slate);
  white-space:nowrap;
}
.pill-ok{ background:rgba(46,158,107,.1); border-color:rgba(46,158,107,.3); color:#1d7350; }
.pill-wip{ background:var(--paper-2); border-style:dashed; }
.pill-brass{ background:rgba(240,228,198,.55); border-color:var(--brass-soft); color:#7a5f1e; }

.tags{ display:flex; flex-wrap:wrap; gap:6px; }
.tag{
  font-family:var(--mono); font-size:.66rem; letter-spacing:.05em;
  padding:3px 9px; border-radius:3px;
  background:var(--paper-2); border:1px solid var(--hairline); color:var(--graphite);
}
.section-tinted .tag,.card .tag{ background:var(--card); }

/* --- 4. En-tête / navigation --------------------------------------------- */

.masthead{
  position:sticky; top:0; z-index:50;
  background:rgba(250,247,241,.88);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--hairline);
}
.masthead .wrap{ display:flex; align-items:center; gap:24px; height:64px; }

.logo{ display:flex; align-items:center; gap:12px; margin-right:auto; }
.logo-mark{
  width:34px; height:34px; flex:none;
  display:grid; place-items:center;
  border:1px solid var(--ink); border-radius:2px;
  font-family:var(--serif); font-size:.85rem; font-weight:600;
  color:var(--ink); letter-spacing:.02em;
}
.logo-text{ display:flex; flex-direction:column; line-height:1.2; }
.logo-name{ font-family:var(--serif); font-size:1rem; color:var(--ink); }
.logo-sub{
  font-family:var(--mono); font-size:.58rem; letter-spacing:.07em;
  text-transform:uppercase; color:var(--slate);
  white-space:nowrap;
}

.nav{ display:flex; gap:28px; }
.nav a{
  font-size:.875rem; color:var(--graphite);
  padding-block:6px; border-bottom:1px solid transparent;
  transition:border-color .18s, color .18s;
}
.nav a:hover{ color:var(--ink); border-bottom-color:var(--brass); }
.nav a[aria-current="page"]{ color:var(--ink); border-bottom-color:var(--brass); }

.nav-toggle{ display:none; }

/* Fil d'Ariane */
.breadcrumb{
  display:flex; align-items:center; gap:9px; flex-wrap:wrap;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.06em;
  text-transform:uppercase; color:var(--slate);
  margin-bottom:20px;
}
.breadcrumb a:hover{ color:var(--brass); }
.breadcrumb .sep{ opacity:.5; }

/* --- 5. Boutons ---------------------------------------------------------- */

.btn{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--sans); font-size:.9rem; font-weight:600;
  padding:11px 20px;
  border:1px solid transparent; border-radius:var(--r);
  cursor:pointer;
  transition:transform .15s, background .18s, border-color .18s, box-shadow .18s, color .18s;
}
.btn:active{ transform:translateY(1px); }
.btn svg{ flex:none; }

.btn-primary{ background:var(--ink); color:#fff; box-shadow:var(--shadow); }
.btn-primary:hover{ background:var(--ink-2); box-shadow:var(--shadow-lift); }

.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--hairline); }
.btn-ghost:hover{ border-color:var(--ink); background:var(--card); }

.btn-lg{ padding:14px 26px; font-size:.95rem; }
.btn-sm{ padding:7px 14px; font-size:.8rem; }
.btn[aria-disabled="true"]{ opacity:.45; pointer-events:none; }

/* --- 6. Hero ------------------------------------------------------------- */

.hero{
  position:relative; overflow:hidden;
  border-bottom:1px solid var(--hairline);
  background:linear-gradient(180deg, #fdfbf7 0%, var(--paper) 60%);
}
/* trame millimétrée, façon papier calque */
.hero::before{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(47,98,136,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47,98,136,.045) 1px, transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 30% 20%, #000 0%, transparent 75%);
  mask-image:radial-gradient(ellipse 80% 70% at 30% 20%, #000 0%, transparent 75%);
  pointer-events:none;
}

.hero .wrap{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(32px,6vw,80px);
  align-items:center;
  padding-block:clamp(56px,8vw,104px);
}

.hero-kicker{
  display:inline-flex; align-items:center; gap:8px;
  padding:5px 12px 5px 10px;
  border:1px solid var(--brass-soft);
  background:rgba(240,228,198,.5);
  border-radius:999px;
  margin-bottom:22px;
}
.hero-kicker .dot{
  width:6px; height:6px; border-radius:50%;
  background:var(--green); flex:none;
  box-shadow:0 0 0 3px rgba(46,158,107,.16);
}
.hero-kicker span{
  font-family:var(--mono); font-size:.68rem; font-weight:500;
  letter-spacing:.1em; text-transform:uppercase; color:#7a5f1e;
}

.hero h1{
  font-size:clamp(2.15rem, 4.6vw, 3.5rem);
  line-height:1.08; letter-spacing:-.022em;
  margin-bottom:18px;
}
.hero h1 em{ font-style:italic; color:var(--brass); }
.hero .lede{ font-size:1.1rem; margin-bottom:26px; }

.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:30px; }

/* Bandeau de faits — des chiffres plutôt qu'un slogan */
.facts{ display:flex; flex-wrap:wrap; border-top:1px solid var(--hairline); padding-top:20px; }
.fact{ padding-right:30px; margin-right:30px; border-right:1px solid var(--hairline); }
.fact:last-child{ border-right:0; margin-right:0; padding-right:0; }
.fact-n{
  display:block; margin-bottom:4px;
  font-family:var(--serif); font-size:1.5rem; color:var(--ink); line-height:1;
}
.fact-l{
  font-family:var(--mono); font-size:.66rem; letter-spacing:.09em;
  text-transform:uppercase; color:var(--slate);
}

/* En-tête de page secondaire (bibliothèque, fiche d'ouvrage) */
.page-head{
  position:relative;
  border-bottom:1px solid var(--hairline);
  background:linear-gradient(180deg, #fdfbf7 0%, var(--paper) 100%);
  padding-block:clamp(32px,5vw,56px);
}
.page-head h1{ font-size:clamp(1.9rem,3.6vw,2.9rem); margin:10px 0 14px; }

/* --- 7. Couverture d'ouvrage --------------------------------------------- */

.cover-stage{ display:flex; justify-content:center; align-items:center; perspective:1600px; padding:20px; }

.cover{
  position:relative; display:block;
  width:min(340px, 100%);
  aspect-ratio:1 / 1.42;
  transform:rotateY(-16deg) rotateX(3deg) rotateZ(-1deg);
  transform-style:preserve-3d;
  transition:transform .55s cubic-bezier(.16,1,.3,1);
  box-shadow:22px 26px 60px -18px rgba(14,28,43,.45), 0 2px 6px rgba(14,28,43,.2);
  border-radius:2px 6px 6px 2px;
}
.cover:hover{ transform:rotateY(-7deg) rotateX(2deg) translateY(-6px); }

.cover-face{
  position:absolute; inset:0;
  background:linear-gradient(155deg, #16293e 0%, var(--ink) 55%, #0a1521 100%);
  border-radius:2px 6px 6px 2px;
  padding:30px 26px 26px;
  display:flex; flex-direction:column;
  overflow:hidden;
}
.cover-face::before{ /* tranche */
  content:""; position:absolute; left:0; top:0; bottom:0; width:14px;
  background:linear-gradient(90deg, rgba(0,0,0,.55), rgba(255,255,255,.06) 60%, rgba(0,0,0,.2));
}
.cover-face::after{ /* filet laiton */
  content:""; position:absolute; left:26px; right:26px; top:74px; height:1px;
  background:linear-gradient(90deg, var(--brass), rgba(169,130,47,.15));
}

.cover-pub{
  font-family:var(--mono); font-size:.58rem; letter-spacing:.2em;
  text-transform:uppercase; color:var(--brass); margin-bottom:14px;
}
.cover-title{
  font-family:var(--serif); font-weight:500;
  font-size:1.32rem; line-height:1.16; color:#fff; letter-spacing:-.005em;
}
.cover-plate{
  margin:26px 0 20px; flex:1; min-height:0;
  background:#fff; border-radius:2px; padding:12px;
  display:grid; place-items:center;
}
.cover-plate img{ max-height:100%; width:auto; object-fit:contain; mix-blend-mode:multiply; }
.cover-foot{ border-top:1px solid rgba(255,255,255,.16); padding-top:12px; }
.cover-author{ display:block; font-family:var(--serif); font-size:.95rem; color:#fff; }
.cover-meta{
  display:block; margin-top:3px;
  font-family:var(--mono); font-size:.58rem; letter-spacing:.1em;
  text-transform:uppercase; color:rgba(255,255,255,.5);
}

/* Vignette de couverture, pour le catalogue — même grammaire, sans 3D */
.cover-thumb{
  position:relative;
  width:100%; aspect-ratio:1 / 1.42;
  background:linear-gradient(155deg, #16293e 0%, var(--ink) 55%, #0a1521 100%);
  border-radius:2px 6px 6px 2px;
  padding:20px 18px 18px;
  display:flex; flex-direction:column; overflow:hidden;
  box-shadow:var(--shadow);
}
.cover-thumb::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:9px;
  background:linear-gradient(90deg, rgba(0,0,0,.55), rgba(255,255,255,.06) 60%, rgba(0,0,0,.2));
}
.cover-thumb .cover-pub{ font-size:.5rem; letter-spacing:.16em; margin-bottom:8px; }
.cover-thumb .cover-title{ font-size:.95rem; }
.cover-thumb .cover-plate{ margin:16px 0 12px; padding:8px; }
.cover-thumb .cover-author{ font-size:.75rem; }
.cover-thumb .cover-meta{ font-size:.5rem; }

/* Variante « à paraître » : maquette hachurée, pas de fausse couverture */
.cover-thumb-empty{
  background:repeating-linear-gradient(135deg, var(--paper-2) 0 7px, var(--card) 7px 14px);
  border:1px dashed var(--hairline);
  box-shadow:none;
  align-items:center; justify-content:center;
  padding:20px;
}
.cover-thumb-empty span{
  font-family:var(--mono); font-size:.6rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--slate); text-align:center; line-height:1.7;
}

/* --- 8. Sections --------------------------------------------------------- */

.section{ padding-block:clamp(56px,7vw,92px); }
.section-sm{ padding-block:clamp(40px,5vw,64px); }
.section-dark{ background:var(--ink); color:#c3d0dc; }
.section-dark h2,.section-dark h3{ color:#fff; }
.section-dark p{ color:#b3c2d0; }
.section-tinted{ background:var(--paper-2); border-block:1px solid var(--hairline); }

.section-head{ max-width:60ch; margin-bottom:clamp(32px,4vw,48px); }
.section-head h2{ font-size:clamp(1.75rem,3vw,2.4rem); margin:10px 0 14px; }

.card{
  background:var(--card); border:1px solid var(--hairline);
  border-radius:var(--r-lg); box-shadow:var(--shadow);
}

/* Bandeau d'appel vers la bibliothèque */
.cta-band{
  display:grid; grid-template-columns:minmax(0,1fr) auto;
  gap:32px; align-items:center;
  background:var(--ink); color:#b3c2d0;
  border-radius:var(--r-lg);
  padding:clamp(28px,4vw,44px);
}
.cta-band h2{ color:#fff; font-size:clamp(1.5rem,2.6vw,2rem); margin:10px 0 10px; }
.cta-band p{ max-width:52ch; font-size:.95rem; }
.cta-band .btn-primary{ background:var(--brass); color:var(--ink); }
.cta-band .btn-primary:hover{ background:#c0973a; }

/* --- 9. Catalogue -------------------------------------------------------- */

.catalog{ display:grid; gap:clamp(28px,4vw,44px); }

.entry{
  display:grid;
  grid-template-columns:180px minmax(0,1fr);
  gap:clamp(24px,3.5vw,40px);
  align-items:start;
  padding:clamp(22px,3vw,32px);
  border-radius:var(--r-lg);
  border:1px solid var(--hairline);
  background:var(--card);
  box-shadow:var(--shadow);
  transition:box-shadow .2s, transform .2s;
}
.entry-available:hover{ box-shadow:var(--shadow-lift); transform:translateY(-2px); }
.entry-soon{ background:transparent; border-style:dashed; box-shadow:none; }

.entry-head{ display:flex; align-items:flex-start; gap:14px; flex-wrap:wrap; margin-bottom:10px; }
.entry-head h2{ font-size:clamp(1.3rem,2.2vw,1.7rem); }
.entry-body > p{ font-size:.95rem; color:var(--graphite); max-width:64ch; margin-bottom:18px; }

/* Lignes de tomes dans une entrée du catalogue */
.tome-lines{ border-top:1px solid var(--hairline); margin-bottom:20px; }
.tome-line{
  display:grid; grid-template-columns:auto minmax(0,1fr) auto;
  gap:14px; align-items:center;
  padding:11px 0; border-bottom:1px solid var(--hairline);
}
.tome-line .n{ font-family:var(--mono); font-size:.7rem; color:var(--brass); font-weight:500; }
.tome-line .t{ font-family:var(--serif); font-size:1rem; color:var(--ink); }
.tome-line .m{ font-family:var(--mono); font-size:.66rem; color:var(--slate); white-space:nowrap; }

.entry-actions{ display:flex; flex-wrap:wrap; gap:10px; align-items:center; }

/* --- 10. Fiche d'ouvrage ------------------------------------------------- */

.book{
  display:grid; grid-template-columns:minmax(0,1fr) 320px;
  gap:clamp(28px,4vw,56px); align-items:start;
}

.spec{ border-top:1px solid var(--hairline); margin-bottom:34px; }
.spec-row{
  display:grid; grid-template-columns:150px 1fr; gap:16px;
  padding:11px 0; border-bottom:1px solid var(--hairline);
  font-size:.9rem;
}
.spec-row dt{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.08em;
  text-transform:uppercase; color:var(--slate); padding-top:3px;
}
.spec-row dd{ color:var(--ink); }
.author-line{ display:block; }
.author-line + .author-line{ margin-top:2px; }

.sub-h{ font-size:1.15rem; margin-bottom:6px; }

/* Encart de téléchargement, collant sur grand écran */
.dl-card{ position:sticky; top:88px; padding:24px; }
.dl-card h3{ font-size:1.15rem; margin-bottom:6px; }
.dl-card > p{ font-size:.85rem; color:var(--slate); margin-bottom:18px; }
.dl-card .btn{ width:100%; justify-content:center; }
.dl-note{
  margin-top:14px; padding-top:14px; border-top:1px solid var(--hairline);
  font-family:var(--mono); font-size:.66rem; letter-spacing:.05em;
  color:var(--slate); text-align:center; text-transform:uppercase;
}

/* Bloc « tome » : en-tête + partie principale + exercices optionnels */
.tome{ border-top:2px solid var(--ink); padding-top:22px; margin-bottom:clamp(40px,5vw,64px); }
.tome:last-child{ margin-bottom:0; }
.tome-head{
  display:flex; align-items:baseline; gap:14px; flex-wrap:wrap;
  margin-bottom:8px;
}
.tome-num{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--brass);
}
.tome-head h2{ font-size:clamp(1.4rem,2.4vw,1.85rem); }
.tome > p{ font-size:.95rem; max-width:64ch; margin-bottom:24px; }

.part{ margin-bottom:32px; }
.part:last-child{ margin-bottom:0; }
.part-label{
  display:flex; align-items:center; gap:12px;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--slate);
  margin-bottom:14px;
}
.part-label::after{ content:""; flex:1; height:1px; background:var(--hairline); }

/* Sommaire — la numérotation est celle de l'ouvrage (1-11, 1-12…), pas un compteur CSS */
.toc{ list-style:none; }
.toc li{
  display:grid; grid-template-columns:46px 1fr; gap:14px; align-items:baseline;
  padding:12px 0; border-bottom:1px solid var(--hairline);
}
.toc-n{
  font-family:var(--mono); font-size:.72rem; color:var(--brass); font-weight:500;
}
.toc-title{ font-family:var(--serif); font-size:1.05rem; color:var(--ink); }

/* Intertitre de chapitre dans le sommaire */
.toc-chapter{
  display:flex; align-items:baseline; gap:12px;
  margin:26px 0 2px; padding-bottom:8px;
  border-bottom:2px solid var(--ink);
}
.toc-chapter:first-of-type{ margin-top:14px; }
.toc-chapter .k{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--brass);
}
.toc-chapter h4{ font-size:1.1rem; }
.toc-title small{
  display:block; margin-top:2px;
  font-family:var(--sans); font-size:.83rem; color:var(--slate); line-height:1.5;
}

/* Fiches d'exercices */
.sheets{ border-top:1px solid var(--hairline); }
.sheet{
  display:grid; grid-template-columns:44px minmax(0,1fr) auto;
  gap:20px; align-items:center;
  padding:16px 12px 16px 4px;
  border-bottom:1px solid var(--hairline);
  transition:background .16s;
}
.sheet:hover{ background:var(--card); }
.section-tinted .sheet:hover{ background:rgba(255,255,255,.6); }
.sheet-n{
  height:36px; display:grid; place-items:center;
  font-family:var(--mono); font-size:.78rem; font-weight:700; color:var(--brass);
  border:1px solid var(--brass-soft); background:#fff; border-radius:var(--r-sm);
}
.sheet-body h3{ font-size:1.05rem; margin-bottom:3px; }
.sheet-body p{ font-size:.865rem; color:var(--slate); max-width:62ch; }
.sheet-side{ display:flex; align-items:center; gap:14px; }
.sheet-size{ font-family:var(--mono); font-size:.68rem; color:var(--slate); white-space:nowrap; }
.sheet-featured{ background:var(--card); box-shadow:inset 3px 0 0 var(--brass); }

/* Encart « pas d'exercices pour ce tome » */
.note-empty{
  border:1px dashed var(--hairline); border-radius:var(--r);
  padding:18px 20px; font-size:.88rem; color:var(--slate);
}

/* Bloc auteur */
.author{
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(32px,5vw,72px); align-items:center;
}
.author h2{ font-size:clamp(1.6rem,2.6vw,2.1rem); margin:10px 0 16px; }

.pull{
  font-family:var(--serif); font-style:italic;
  font-size:clamp(1.2rem,2vw,1.55rem); line-height:1.42; color:#fff;
  border-left:2px solid var(--brass); padding-left:26px;
}
.pull cite{
  display:block; margin-top:16px; font-style:normal;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.1em;
  text-transform:uppercase; color:var(--brass);
}

.creds{ list-style:none; margin-top:26px; }
.creds li{
  display:grid; grid-template-columns:auto 1fr; gap:14px;
  padding:14px 0; border-top:1px solid rgba(255,255,255,.13);
  font-size:.9rem; color:#b3c2d0;
}
.creds li:last-child{ border-bottom:1px solid rgba(255,255,255,.13); }
.creds b{ display:block; margin-bottom:2px; color:#fff; font-weight:600; }
.creds .k{ font-family:var(--mono); font-size:.68rem; color:var(--brass); padding-top:3px; }

/* --- 11. Pied de page ---------------------------------------------------- */

.foot{
  background:var(--paper-2); border-top:1px solid var(--hairline);
  padding-block:48px 28px;
}
.foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:40px; padding-bottom:32px; }
.foot h5{
  font-family:var(--mono); font-size:.66rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--slate); margin-bottom:14px; font-weight:500;
}
.foot ul{ list-style:none; display:grid; gap:9px; }
.foot a{ font-size:.88rem; color:var(--graphite); }
.foot a:hover{ color:var(--brass); }
.foot-about p{ font-size:.88rem; color:var(--slate); max-width:44ch; margin-top:10px; }
.foot-bottom{
  border-top:1px solid var(--hairline); padding-top:20px;
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-family:var(--mono); font-size:.66rem; letter-spacing:.05em; color:var(--slate);
}

/* --- 12. Adaptatif ------------------------------------------------------- */

@media (max-width:960px){
  .hero .wrap{ grid-template-columns:1fr; }
  .cover-stage{ order:-1; padding:0 0 8px; }
  .cover{ width:min(260px,70%); }
  .book{ grid-template-columns:1fr; }
  .dl-card{ position:static; }
  .author{ grid-template-columns:1fr; }
  .cta-band{ grid-template-columns:1fr; gap:22px; }
  .entry{ grid-template-columns:140px minmax(0,1fr); }
  .foot-grid{ grid-template-columns:1fr 1fr; }
  .foot-about{ grid-column:1 / -1; }
}

@media (max-width:720px){
  .nav{
    display:none;
    position:absolute; top:64px; left:0; right:0;
    flex-direction:column; gap:0;
    background:var(--paper); border-bottom:1px solid var(--hairline);
    padding:8px var(--gutter) 16px;
  }
  .nav.open{ display:flex; }
  .nav a{ padding:12px 0; border-bottom:1px solid var(--hairline); }
  .nav-toggle{
    display:grid; place-items:center;
    width:38px; height:38px; flex:none;
    background:transparent; border:1px solid var(--hairline); border-radius:var(--r);
    cursor:pointer; color:var(--ink);
  }
  .masthead .btn{ display:none; }

  .entry{ grid-template-columns:1fr; }
  .entry .cover-thumb,.entry .cover-thumb-empty{ width:min(160px,45%); }
  .tome-line{ grid-template-columns:auto minmax(0,1fr); row-gap:4px; }
  .tome-line .m{ grid-column:2; }

  .sheet{ grid-template-columns:36px minmax(0,1fr); row-gap:12px; }
  .sheet-side{ grid-column:2; justify-content:flex-start; }
  .spec-row{ grid-template-columns:1fr; gap:3px; }
  .fact{ padding-right:22px; margin-right:22px; }
  .foot-grid{ grid-template-columns:1fr; gap:28px; }
}

/* Le sous-titre complet ne tient plus dans la barre : on ne garde que le nom */
@media (max-width:620px){
  .logo-sub{ display:none; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
}

@media print{
  .masthead,.foot,.cta-band,.hero::before{ display:none; }
  body{ background:#fff; }
}