:root{
    --paper:#f4f3ef;
    --paper-2:#eceae3;
    --paper-3:#e4e1d8;
    --ink:#17191e;
    --ink-2:#2b2e35;
    --muted:#73757d;
    --muted-2:#9a9ca2;
    --line:#d8d5cc;
    --line-2:#c8c4b8;
    --accent:#7c6543;       /* bronze sobre */
    --accent-soft:#a08a64;
    --serif:'Fraunces',Georgia,'Times New Roman',serif;
    --sans:'Hanken Grotesk',-apple-system,BlinkMacSystemFont,sans-serif;
    --maxw:1180px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--sans);
    background:var(--paper);
    color:var(--ink);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  /* subtle paper texture */
  body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.4;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  }
  a{color:inherit;text-decoration:none}
  ::selection{background:var(--ink);color:var(--paper)}

  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px;position:relative;z-index:1}

  /* ---------- Header ---------- */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(244,243,239,.82);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex;align-items:center;justify-content:space-between;height:78px}
  .brand{display:flex;align-items:center;gap:13px;cursor:pointer}
  .mark{width:34px;height:34px;flex:none}
  .mark rect,.mark line,.mark path{stroke:var(--ink)}
  .brand-txt{display:flex;flex-direction:column;line-height:1}
  .brand-txt b{font-family:var(--serif);font-weight:600;font-size:20px;letter-spacing:.5px}
  .brand-txt span{font-size:9.5px;letter-spacing:3px;text-transform:uppercase;color:var(--muted);margin-top:4px}
  .menu{display:flex;align-items:center;gap:34px}
  .menu a{
    font-size:13.5px;font-weight:500;color:var(--ink-2);position:relative;padding:6px 0;
    transition:color .25s;
  }
  .menu a::after{
    content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--accent);transition:width .3s ease;
  }
  .menu a:hover,.menu a.active{color:var(--ink)}
  .menu a.active::after,.menu a:hover::after{width:100%}
  .burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
  .burger span{width:24px;height:1.5px;background:var(--ink);transition:.3s}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);
    font-size:13.5px;font-weight:600;letter-spacing:.3px;cursor:pointer;
    padding:14px 26px;border:1px solid var(--ink);transition:.3s;border-radius:1px;
  }
  .btn.solid{background:var(--ink);color:var(--paper)}
  .btn.solid:hover{background:transparent;color:var(--ink)}
  .btn.ghost{background:transparent;color:var(--ink)}
  .btn.ghost:hover{background:var(--ink);color:var(--paper)}
  .btn .arr{transition:transform .3s}
  .btn:hover .arr{transform:translateX(4px)}

  /* ---------- Typo helpers ---------- */
  .eyebrow{
    display:inline-flex;align-items:center;gap:12px;
    font-size:11.5px;letter-spacing:2.5px;text-transform:uppercase;color:var(--accent);font-weight:600;
  }
  .eyebrow::before{content:"";width:28px;height:1px;background:var(--accent)}
  .secnum{font-family:var(--serif);font-size:13px;color:var(--muted);font-style:italic}
  h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:-.5px;color:var(--ink)}
  .lead{color:var(--ink-2);font-size:18px;line-height:1.7;max-width:60ch}
  .muted{color:var(--muted)}

  /* ---------- Reveal animation ---------- */
  .reveal{opacity:0;transform:translateY(22px);animation:rise .8s cubic-bezier(.22,1,.36,1) forwards;animation-delay:calc(var(--i,0)*90ms)}
  @keyframes rise{to{opacity:1;transform:none}}

  /* ---------- Hero ---------- */
  .hero{padding:96px 0 86px;border-bottom:1px solid var(--line)}
  .hero h1{font-size:clamp(42px,6.4vw,82px);margin:26px 0 30px}
  .hero h1 em{font-style:italic;color:var(--accent)}
  .hero-actions{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
  .hero-meta{display:flex;gap:48px;margin-top:64px;padding-top:34px;border-top:1px solid var(--line);flex-wrap:wrap}
  .hero-meta .stat b{font-family:var(--serif);font-size:30px;font-weight:500;display:block}
  .hero-meta .stat span{font-size:12.5px;color:var(--muted);letter-spacing:.5px}
  .lead em{font-style:italic;color:var(--accent)}

  /* ---------- Article ---------- */
  .article{max-width:730px;margin:0 auto}
  .article .tag{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);font-weight:600}
  .art-title{font-size:clamp(28px,4.4vw,44px);line-height:1.1;margin:14px 0 10px}
  .art-meta{font-size:13px;color:var(--muted-2);margin-bottom:34px;letter-spacing:.3px}
  .art-body p{font-size:16.5px;line-height:1.78;color:var(--ink-2);margin-bottom:20px}
  .art-body h3{font-size:21px;margin:32px 0 12px}
  .art-body ul{margin:0 0 22px;padding:0;list-style:none}
  .art-body li{font-size:16px;line-height:1.7;color:var(--ink-2);padding-left:24px;position:relative;margin-bottom:9px}
  .art-body li::before{content:"—";position:absolute;left:0;color:var(--accent)}
  .art-body strong{font-weight:600;color:var(--ink)}
  .art-body em{font-style:italic;color:var(--accent)}
  .art-cta{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}

  /* ---------- Page produit (livre) ---------- */
  .prod{display:grid;grid-template-columns:340px 1fr;gap:64px;align-items:start;margin-top:10px}
  @media(max-width:820px){.prod{grid-template-columns:1fr;gap:34px}}
  .prod-cover{border-radius:3px;overflow:hidden;box-shadow:0 24px 50px -24px rgba(23,25,30,.5);border:1px solid rgba(0,0,0,.07);position:sticky;top:110px}
  @media(max-width:820px){.prod-cover{position:static;max-width:280px}}
  .prod-cover img,.prod-cover svg{display:block;width:100%;height:auto}
  .prod-title{font-size:clamp(28px,4vw,42px);line-height:1.14;margin-bottom:16px}
  .prod-mat{display:block;font-size:17px;font-family:var(--sans);font-weight:500;color:var(--muted);margin-top:8px;letter-spacing:.2px}
  .prod-head{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:20px;margin-bottom:18px}
  .prod-p{color:var(--ink-2);font-size:16px;line-height:1.75;margin-bottom:16px;max-width:60ch}
  .prod-points{list-style:none;margin:20px 0 22px;padding:0;border-top:1px solid var(--line)}
  .prod-points li{padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);padding-left:22px;position:relative}
  .prod-points li::before{content:"—";position:absolute;left:0;color:var(--accent)}
  .prod-note{margin-bottom:22px}
  .prod-note em{font-style:italic;color:var(--muted);font-size:14px}
  .prod-cta{margin-top:4px}
  .prod-cta-disabled{cursor:default;opacity:.75}
  .prod-fine{font-size:12.5px;color:var(--muted-2);margin-top:12px}

  /* ---------- Cartes livres (couvertures) ---------- */
  .books{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:8px}
  @media(max-width:980px){.books{grid-template-columns:repeat(2,1fr);gap:26px}}
  @media(max-width:520px){.books{grid-template-columns:1fr}}
  .book{display:flex;flex-direction:column;gap:16px;cursor:pointer}
  .book-cover{border-radius:3px;overflow:hidden;box-shadow:0 16px 36px -20px rgba(23,25,30,.5);border:1px solid rgba(0,0,0,.07);transition:transform .4s cubic-bezier(.22,1,.36,1),box-shadow .4s}
  .book:hover .book-cover{transform:translateY(-8px);box-shadow:0 30px 54px -22px rgba(23,25,30,.55)}
  .book-cover svg{display:block;width:100%;height:auto}
  .book-info{display:flex;flex-direction:column;gap:7px}
  .book-info .cnum{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:14px}
  .book-info h3{font-size:18px;line-height:1.2;transition:color .25s}
  .book:hover .book-info h3{color:var(--accent)}
  .book-info p{font-size:13px;color:var(--muted);line-height:1.55}
  .book-info .clink{font-size:13px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:7px;margin-top:3px}
  .book-buy{margin-top:6px;display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
    background:var(--ink);color:var(--paper);font-size:13px;font-weight:600;letter-spacing:.3px;
    padding:10px 18px;border-radius:1px;border:1px solid var(--ink);cursor:pointer;transition:.25s}
  .book-buy:hover{background:transparent;color:var(--ink)}
  .book-buy:hover .arr{transform:translateX(3px)}
  .book-buy .arr{transition:transform .25s}
  .book-buy.soon{background:transparent;color:var(--muted);border-color:var(--line-2);cursor:pointer;font-weight:500}
  .book-buy.soon:hover{background:var(--paper-2);color:var(--ink)}
  a.book-cover{display:block}
  .book-cover img{display:block;width:100%;height:auto}
  .book-cover-empty{aspect-ratio:1000/1414;display:flex;align-items:center;justify-content:center;
    background:repeating-linear-gradient(135deg,var(--paper-2),var(--paper-2) 10px,var(--paper) 10px,var(--paper) 20px);
    border:1px dashed var(--line-2);border-radius:3px}
  .book-cover-empty span{font-size:12.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted-2);font-weight:600}
  .book-empty .book-info h3{color:var(--muted)}

  /* ---------- Vitrine collections (présentation) ---------- */
  .typerow{display:grid;grid-template-columns:300px 1fr;gap:60px;align-items:center;padding:52px 0;border-top:1px solid var(--line)}
  .typerow:last-child{border-bottom:1px solid var(--line)}
  .typerow.rev{grid-template-columns:1fr 300px}
  .typerow.rev .tr-cover{order:2}
  .tr-cover{width:100%;max-width:300px;justify-self:center;border-radius:3px;overflow:hidden;box-shadow:0 22px 46px -22px rgba(23,25,30,.5);border:1px solid rgba(0,0,0,.07);transition:transform .45s cubic-bezier(.22,1,.36,1)}
  .typerow:hover .tr-cover{transform:translateY(-7px)}
  .tr-cover svg{display:block;width:100%;height:auto}
  .tr-body{max-width:56ch}
  .tr-body .secnum{display:block;margin-bottom:10px}
  .tr-body h3{font-size:30px;line-height:1.12;margin-bottom:6px}
  .tr-body .tr-tag{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:18px;margin-bottom:15px}
  .tr-body p{color:var(--ink-2);font-size:15.5px;line-height:1.72}
  .tr-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-weight:600;font-size:14px;cursor:pointer;color:var(--ink)}
  .tr-link:hover{color:var(--accent)}
  .tr-link:hover .arr{transform:translateX(4px)}
  @media(max-width:820px){
    .typerow,.typerow.rev{grid-template-columns:1fr;gap:26px;justify-items:start}
    .typerow.rev .tr-cover{order:0}
    .tr-cover{max-width:230px;justify-self:start}
  }
  /* CTA band */
  .cta-band{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
    background:var(--paper-2);border:1px solid var(--line);padding:48px 50px;border-radius:2px}
  @media(max-width:640px){.cta-band{padding:36px 28px}}

  /* ---------- Section frame ---------- */
  section.block{padding:84px 0;border-bottom:1px solid var(--line)}
  .block-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:50px;flex-wrap:wrap}
  .block-head h2{font-size:clamp(30px,4vw,46px)}
  .block-head .secnum{margin-bottom:14px;display:block}

  /* ---------- Grids ---------- */
  .grid{display:grid;gap:1px;background:var(--line)}
  .g3{grid-template-columns:repeat(3,1fr)}
  .g2{grid-template-columns:repeat(2,1fr)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .cell{background:var(--paper);padding:34px 32px;transition:background .3s}
  .cell:hover{background:var(--paper-2)}

  .pillar h3{font-size:21px;margin:18px 0 12px}
  .pillar .ico{width:30px;height:30px;color:var(--accent)}
  .pillar p{font-size:14.5px;color:var(--muted);line-height:1.65}

  /* ---------- Blog ---------- */
  .post{cursor:pointer;display:flex;flex-direction:column;gap:14px}
  .post .tag{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);font-weight:600}
  .post h3{font-size:22px;line-height:1.2;transition:color .25s}
  .post:hover h3{color:var(--accent)}
  .post p{font-size:14px;color:var(--muted);line-height:1.6}
  .post .date{font-size:12px;color:var(--muted-2);margin-top:auto;padding-top:10px}

  /* ---------- Livres univers ---------- */
  .univers{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  @media(max-width:820px){.univers{grid-template-columns:1fr}}
  .uni-card{
    border:1px solid var(--line-2);padding:48px 40px;cursor:pointer;position:relative;overflow:hidden;
    transition:.4s;background:var(--paper);min-height:300px;display:flex;flex-direction:column;
  }
  .uni-card:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .uni-card:hover .muted,.uni-card:hover .uni-meta{color:var(--paper-3)}
  .uni-card:hover h3{color:var(--paper)}
  .uni-card .kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);font-weight:600}
  .uni-card h3{font-size:34px;margin:18px 0 14px}
  .uni-card .uni-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-weight:600;font-size:13.5px}
  .uni-card.soon{cursor:default;opacity:.92}
  .uni-card.soon:hover{background:var(--paper);color:inherit;border-color:var(--line-2)}
  .uni-card.soon:hover h3{color:var(--ink)}
  .pill{display:inline-block;font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;border:1px solid currentColor;padding:5px 11px;border-radius:40px;color:var(--muted);font-weight:600}

  /* ---------- Matières ---------- */
  .matgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
  @media(max-width:820px){.matgrid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:540px){.matgrid{grid-template-columns:1fr}}
  .mat{background:var(--paper);padding:30px 28px;cursor:pointer;transition:.3s;display:flex;flex-direction:column;gap:10px;min-height:148px}
  .mat:hover{background:var(--ink);color:var(--paper)}
  .mat:hover .mat-n,.mat:hover p{color:var(--paper-3)}
  .mat .mat-n{font-family:var(--serif);font-style:italic;font-size:13px;color:var(--muted)}
  .mat h3{font-size:19px;line-height:1.2}
  .mat p{font-size:12.5px;color:var(--muted);margin-top:auto}
  .mat .go{font-size:13px;font-weight:600;margin-top:auto;display:flex;align-items:center;gap:8px;color:var(--accent)}
  .mat:hover .go{color:var(--paper)}
  .mat.soon-mat{cursor:default;opacity:.6}
  .mat.soon-mat:hover{background:var(--paper);color:inherit}
  .mat.soon-mat:hover .mat-n,.mat.soon-mat:hover h3{color:inherit}
  .mat .go.soon{color:var(--muted)}

  /* ---------- Collections (4 types) ---------- */
  .colls{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:8px}
  @media(max-width:760px){.colls{grid-template-columns:1fr}}
  .coll{border:1px solid var(--line-2);padding:34px 32px;background:var(--paper);transition:.35s;position:relative;display:flex;flex-direction:column;gap:14px;min-height:230px}
  .coll:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(23,25,30,.4);border-color:var(--accent-soft)}
  .coll .cnum{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:15px}
  .coll .cico{width:34px;height:34px;color:var(--ink-2)}
  .coll h3{font-size:23px}
  .coll p{font-size:14px;color:var(--muted);line-height:1.65}
  .coll .clink{margin-top:auto;font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px;color:var(--ink)}

  /* breadcrumb */
  .crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:28px}
  .crumb a{color:var(--accent);font-weight:600;cursor:pointer}
  .crumb a:hover{text-decoration:underline}

  .backlink{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;color:var(--ink);cursor:pointer;margin-top:36px}
  .backlink:hover{color:var(--accent)}

  /* ---------- About / Présentation text ---------- */
  .prose{max-width:62ch}
  .prose p{margin-bottom:18px;color:var(--ink-2);font-size:16px}
  .twocol{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
  @media(max-width:820px){.twocol{grid-template-columns:1fr;gap:34px}}
  .valuelist{list-style:none;border-top:1px solid var(--line)}
  .valuelist li{padding:22px 0;border-bottom:1px solid var(--line);display:flex;gap:20px;align-items:baseline}
  .valuelist li b{font-family:var(--serif);color:var(--accent);font-style:italic;font-size:15px;flex:none;width:34px}
  .valuelist li div h4{font-size:16px;margin-bottom:5px;font-weight:600}
  .valuelist li div p{font-size:14px;color:var(--muted)}

  /* ---------- Contact ---------- */
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
  @media(max-width:820px){.contact-grid{grid-template-columns:1fr;gap:40px}}
  .field{margin-bottom:20px}
  .field label{display:block;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-weight:600}
  .field input,.field textarea{
    width:100%;background:transparent;border:1px solid var(--line-2);padding:13px 15px;
    font-family:var(--sans);font-size:15px;color:var(--ink);border-radius:1px;transition:border .25s;
  }
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
  .field textarea{resize:vertical;min-height:120px}
  .contact-info .row{padding:18px 0;border-bottom:1px solid var(--line)}
  .contact-info .row span{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:5px}
  .contact-info .row a,.contact-info .row b{font-size:16px;font-weight:500}
  .socials{display:flex;gap:14px;margin-top:26px}
  .socials a{width:44px;height:44px;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;transition:.3s;border-radius:1px}
  .socials a:hover{background:var(--ink);border-color:var(--ink)}
  .socials a:hover svg{stroke:var(--paper)}
  .socials svg{width:19px;height:19px;stroke:var(--ink-2);fill:none}

  /* ---------- Footer ---------- */
  footer{background:var(--ink);color:var(--paper-3);padding:64px 0 34px;position:relative;z-index:1}
  .foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid #33363d}
  @media(max-width:820px){.foot-top{grid-template-columns:1fr 1fr;gap:32px}}
  .foot-brand b{font-family:var(--serif);font-size:24px;color:var(--paper);font-weight:600;display:block;margin-bottom:14px}
  .foot-brand p{font-size:14px;color:var(--muted-2);max-width:34ch}
  .foot-col h5{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--accent-soft);margin-bottom:18px;font-weight:600}
  .foot-col a{display:block;font-size:14px;color:var(--paper-3);padding:6px 0;cursor:pointer;transition:.25s}
  .foot-col a:hover{color:var(--paper);padding-left:5px}
  .foot-bot{display:flex;justify-content:space-between;padding-top:26px;font-size:12.5px;color:var(--muted-2);flex-wrap:wrap;gap:10px}

  @media(max-width:880px){
    .menu{position:fixed;inset:78px 0 auto 0;flex-direction:column;background:var(--paper);
      border-bottom:1px solid var(--line);padding:24px 40px 30px;gap:4px;align-items:flex-start;
      transform:translateY(-130%);transition:transform .4s ease;height:auto}
    .menu.open{transform:none}
    .menu a{padding:13px 0;width:100%;border-bottom:1px solid var(--line);font-size:16px}
    .burger{display:flex}
    .g3{grid-template-columns:1fr}
    .wrap{padding:0 24px}
    .hero{padding:60px 0 56px}
    section.block{padding:60px 0}
  }

/* prix & amazon */
.book-price{font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink);margin-top:4px}
.book-price .book-price-note{font-family:var(--sans);font-size:12px;font-weight:500;color:var(--muted-2);margin-left:3px}
.prod-price{display:flex;align-items:baseline;gap:12px;margin:24px 0 10px}
.prod-price .amount{font-family:var(--serif);font-size:36px;font-weight:600;color:var(--ink);line-height:1}
.prod-price .price-note{font-size:12.5px;color:var(--muted)}
.prod-amazon{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.prod-amazon-btn{margin-top:0}
.amazon-line{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);font-weight:500;line-height:1.4}
.amazon-line svg{width:18px;height:18px;color:var(--accent);flex:none}
.foot-bot a{color:inherit;transition:color .25s}
.foot-bot a:hover{color:var(--paper);text-decoration:underline}
.art-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.prod-fine a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.prod-cgv{margin-top:6px;max-width:52ch;line-height:1.5}