/* =========================================================================
   JLP Décryptage — section Collaborer (structure)
   -------------------------------------------------------------------------
   Fond volontairement neutre, destiné à recevoir les témoignages plus tard.
   Ici, seuls le contrôle de retour et un titre discret. Fond strictement
   fixe : aucune animation.
   ========================================================================= */

:root{
  --clb-ivoire:#F2EEE6;
  --clb-blanc:#FFFFFF;
  --clb-or:#C9A86C;
  --clb-champagne:#E6D5B2;
}

.jlpn-vue-clb{background:#070A10}

.clb-defile{position:absolute;inset:0;overflow-y:auto;overflow-x:hidden;
  overflow-anchor:none;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.clb-colonne{width:100%;max-width:1280px;margin:0 auto;min-height:100%;
  padding:clamp(96px,13vh,168px) clamp(18px,4vw,56px) clamp(48px,7vh,96px);
  box-sizing:border-box}

.clb-entete{max-width:44ch}
.clb-section{margin:0 0 14px;font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:10px;letter-spacing:.34em;text-transform:uppercase;
  color:rgba(201,168,108,.8)}
.clb-h1{margin:0;font-family:'Playfair Display','Cormorant Garamond',Georgia,serif;
  font-weight:400;font-size:clamp(34px,5.2vw,68px);line-height:1.04;
  letter-spacing:.02em;color:var(--clb-blanc)}
.clb-filet{display:block;margin:28px 0 0;width:clamp(92px,12vw,168px);height:1px;
  background:linear-gradient(90deg,rgba(230,213,178,.85),rgba(201,168,108,0))}

/* ------------------------------------------------------- retour à l'accueil */
.clb-retour-zone{position:fixed;z-index:6;
  top:calc(clamp(16px,2.6vw,34px) + env(safe-area-inset-top,0px));
  left:clamp(16px,2.6vw,34px)}
.clb-retour{display:inline-flex;align-items:center;gap:12px;
  text-decoration:none;color:rgba(242,238,230,.66);
  transition:color .35s ease,transform .35s cubic-bezier(.22,.61,.36,1)}
.clb-retour-rond{display:grid;place-items:center;
  width:clamp(38px,3.2vw,44px);height:clamp(38px,3.2vw,44px);border-radius:50%;
  background:rgba(255,255,255,.03);
  backdrop-filter:blur(6px) saturate(112%);
  -webkit-backdrop-filter:blur(6px) saturate(112%)}
.clb-retour-rond svg{width:100%;height:100%;display:block;overflow:visible}
.clb-retour-anneau{fill:none;stroke:rgba(230,213,178,.45);stroke-width:.6;
  vector-effect:non-scaling-stroke;transition:stroke .35s ease}
.clb-retour-fleche{fill:none;stroke:rgba(244,240,232,.9);stroke-width:1.25;
  stroke-linecap:round;stroke-linejoin:round;
  vector-effect:non-scaling-stroke;transition:stroke .35s ease}
.clb-retour-mot{font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.28em;text-transform:uppercase;
  text-shadow:0 1px 12px rgba(0,0,0,.85)}
@media (hover:hover){
  .clb-retour:hover{color:var(--clb-blanc);transform:translateX(-2px)}
  .clb-retour:hover .clb-retour-anneau{stroke:rgba(230,213,178,.9)}
  .clb-retour:hover .clb-retour-fleche{stroke:#FFFFFF}
}
.clb-retour:focus-visible{outline:none}
.clb-retour:focus-visible .clb-retour-rond{outline:1px solid rgba(201,168,108,.85);
  outline-offset:5px}

@media (max-width:900px){
  .clb-retour-rond{backdrop-filter:none;-webkit-backdrop-filter:none;
    background:rgba(8,10,14,.45)}
}
@media (max-width:620px){
  .clb-retour-mot{display:none}
  .clb-colonne{padding:96px 18px 48px}
  .clb-entete{max-width:none}
}
@media (prefers-reduced-motion:reduce){
  .clb-retour{transition:none}
  .clb-retour:hover{transform:none}
}


/* =============================================================== contenu
   Colonne éditoriale sur le fond fixe. Panneaux translucides, filets
   champagne, aucune ombre lourde : la salle reste perceptible derrière. */
.clb-colonne{max-width:1180px;padding-bottom:clamp(64px,9vh,120px)}
.clb-entete{max-width:62ch;margin:0 0 clamp(40px,5.5vh,72px)}
.clb-intro{margin:18px 0 0;font-family:'Source Serif 4','Cormorant Garamond',Georgia,serif;
  font-size:clamp(14.5px,1.15vw,17px);line-height:1.72;color:rgba(242,238,230,.8);
  max-width:66ch}
.clb-intro-court{max-width:72ch}

.clb-bloc{margin:clamp(52px,7vh,96px) 0 0}
.clb-sur{margin:0 0 12px;font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.3em;text-transform:uppercase;
  color:rgba(201,168,108,.8)}
.clb-h2{margin:0 0 clamp(22px,3vh,34px);font-family:'Playfair Display',Georgia,serif;
  font-weight:400;font-size:clamp(23px,2.6vw,38px);line-height:1.14;
  color:var(--clb-blanc);position:relative;padding-bottom:16px}
.clb-h2::after{content:"";position:absolute;left:0;bottom:0;width:clamp(70px,9vw,132px);
  height:1px;background:linear-gradient(90deg,rgba(230,213,178,.75),rgba(201,168,108,0))}

/* -------------------------------------------------------------- offres */
.clb-offres{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,1.8vw,26px)}
.clb-offre{background:linear-gradient(180deg,rgba(10,12,18,.62),rgba(6,8,12,.74));
  border:1px solid rgba(201,168,108,.16);padding:clamp(18px,2vw,26px);
  transition:border-color .35s ease}
.clb-offre:hover{border-color:rgba(201,168,108,.4)}
.clb-num{margin:0;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;
  letter-spacing:.28em;color:rgba(201,168,108,.55)}
.clb-prix{margin:12px 0 0;font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--clb-champagne)}
.clb-offre-titre{margin:8px 0 0;font-family:'Playfair Display',Georgia,serif;
  font-weight:400;font-size:clamp(18px,1.5vw,22px);line-height:1.24;
  color:var(--clb-ivoire)}
.clb-puces{margin:16px 0 0;padding:0 0 0 16px;list-style:none}
.clb-puces li{position:relative;margin:0 0 7px;font-size:13.5px;line-height:1.55;
  color:rgba(242,238,230,.72)}
.clb-puces li::before{content:"—";position:absolute;left:-16px;
  color:rgba(201,168,108,.55)}
.clb-note{margin:14px 0 0;font-size:12.5px;line-height:1.55;font-style:italic;
  color:rgba(242,238,230,.55)}

.clb-conditions{margin:clamp(22px,3vw,34px) 0 0;display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.clb-cond{margin:0;padding:16px 18px;border-left:1px solid rgba(201,168,108,.28)}
.clb-cond-nom{display:block;font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;
  color:rgba(230,213,178,.85)}
.clb-cond-txt{display:block;margin:9px 0 0;font-size:13.5px;line-height:1.6;
  color:rgba(242,238,230,.74)}
.clb-mentions{margin:22px 0 0}
.clb-mention{margin:0 0 7px;font-size:12.5px;line-height:1.6;
  color:rgba(242,238,230,.52)}

/* ------------------------------------------------------------- formats */
.clb-formats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(16px,1.8vw,24px)}
.clb-format{background:linear-gradient(180deg,rgba(10,12,18,.55),rgba(6,8,12,.68));
  border:1px solid rgba(201,168,108,.14);padding:clamp(18px,2vw,24px);
  display:flex;flex-direction:column;transition:border-color .35s ease}
.clb-format:hover{border-color:rgba(201,168,108,.4)}
.clb-format-titre{margin:10px 0 0;font-family:'Playfair Display',Georgia,serif;
  font-weight:400;font-size:clamp(17px,1.4vw,21px);color:var(--clb-ivoire)}
.clb-format-texte{margin:10px 0 0;font-size:13.5px;line-height:1.58;
  color:rgba(242,238,230,.72);flex:1}

/* ---------------------------------------------------------- références */
.clb-famille{margin:0 0 clamp(24px,3vh,38px)}
.clb-famille-nom{margin:0 0 14px;font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;
  color:rgba(230,213,178,.8)}
.clb-refs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(14px,1.6vw,22px)}
.clb-ref{position:relative;background:rgba(10,12,18,.5);
  border:1px solid rgba(201,168,108,.13);padding:clamp(15px,1.6vw,20px);
  transition:border-color .35s ease,transform .35s cubic-bezier(.22,.61,.36,1)}
.clb-ref:hover{border-color:rgba(201,168,108,.42);transform:translateY(-2px)}
.clb-ref-titre{margin:0;font-family:'Playfair Display',Georgia,serif;font-weight:400;
  font-size:clamp(15.5px,1.2vw,18px);line-height:1.28;color:var(--clb-ivoire)}
.clb-ref-titre a{color:inherit;text-decoration:none}
.clb-couvre::after{content:"";position:absolute;inset:0;z-index:2}
.clb-ref-texte{margin:9px 0 0;font-size:12.5px;line-height:1.55;
  color:rgba(242,238,230,.66)}

/* ---------------------------------------------------------- arguments */
.clb-arguments{margin:0;padding:0;list-style:none;display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 26px;max-width:70ch}
.clb-arg{display:flex;align-items:baseline;gap:12px;font-size:14.5px;
  line-height:1.55;color:rgba(242,238,230,.82)}
.clb-coche{color:rgba(201,168,108,.9);font-size:12px}

/* -------------------------------------------------------- bloc final */
.clb-final{border-top:1px solid rgba(201,168,108,.18);padding-top:clamp(34px,4vh,54px)}
.clb-final-puces{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;
  gap:10px 22px}
.clb-final-puces li{font-family:'Cormorant Garamond',Georgia,serif;font-style:italic;
  font-size:clamp(15px,1.4vw,19px);color:rgba(242,238,230,.78)}

.clb-cta{margin:22px 0 0}
.clb-lien{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--clb-champagne);
  text-decoration:none;border-bottom:1px solid rgba(201,168,108,.45);
  padding-bottom:5px;transition:color .3s ease,border-color .3s ease}
.clb-lien:hover{color:var(--clb-blanc);border-color:rgba(201,168,108,.9)}
.clb-lien-fort{font-size:11px}
.clb-lien:focus-visible{outline:1px solid rgba(201,168,108,.9);outline-offset:4px}

.clb-suite{margin:clamp(44px,6vh,72px) 0 0;font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.16em;line-height:1.9;
  color:rgba(242,238,230,.4)}

@media (max-width:1080px){
  .clb-offres,.clb-formats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .clb-refs{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .clb-offres,.clb-formats,.clb-refs,.clb-conditions,.clb-arguments{
    grid-template-columns:1fr}
  .clb-entete{max-width:none}
}
@media (max-width:900px){
  .clb-offre,.clb-format,.clb-ref{backdrop-filter:none;-webkit-backdrop-filter:none}
}
@media (prefers-reduced-motion:reduce){
  .clb-offre,.clb-format,.clb-ref{transition:none}
  .clb-ref:hover{transform:none}
}

/* -------------------------------------------------------- études de cas
   Chaque étude se présente d'abord par son en-tête ; le détail se déplie à
   la demande, sans quitter la page ni perdre la position de lecture. */
.clb-cas-liste{display:grid;gap:clamp(18px,2vw,28px)}
.clb-cas{background:linear-gradient(180deg,rgba(10,12,18,.62),rgba(6,8,12,.74));
  border:1px solid rgba(201,168,108,.16);padding:clamp(20px,2.4vw,34px);
  transition:border-color .35s ease}
.clb-cas:hover{border-color:rgba(201,168,108,.36)}
.clb-cas-theme{margin:12px 0 0;font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;
  color:rgba(201,168,108,.82)}
.clb-cas-titre{margin:10px 0 0;font-family:'Playfair Display',Georgia,serif;
  font-weight:400;font-size:clamp(20px,2.1vw,30px);line-height:1.18;
  color:var(--clb-blanc);max-width:44ch}
.clb-cas-chapo{margin:14px 0 0;font-family:'Source Serif 4',Georgia,serif;
  font-size:clamp(14px,1.1vw,16px);line-height:1.68;
  color:rgba(242,238,230,.78);max-width:64ch}
.clb-cas-mention{margin:12px 0 0;font-size:12.5px;line-height:1.55;font-style:italic;
  color:rgba(242,238,230,.55)}

.clb-deplier{appearance:none;-webkit-appearance:none;margin:22px 0 0;padding:10px 0;
  background:none;border:0;border-bottom:1px solid rgba(201,168,108,.45);
  cursor:pointer;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--clb-champagne);
  transition:color .3s ease,border-color .3s ease}
.clb-deplier:hover{color:var(--clb-blanc);border-color:rgba(201,168,108,.9)}
.clb-deplier:focus-visible{outline:1px solid rgba(201,168,108,.9);outline-offset:4px}

.clb-cas-corps{margin:26px 0 0;padding:24px 0 0;
  border-top:1px solid rgba(201,168,108,.16)}
.clb-cas-corps[hidden]{display:none}
.clb-cas-rub{margin:22px 0 0;font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.26em;text-transform:uppercase;font-weight:400;
  color:rgba(230,213,178,.88)}
.clb-cas-rub:first-child{margin-top:0}
.clb-cas-p{margin:10px 0 0;font-size:13.8px;line-height:1.68;
  color:rgba(242,238,230,.76);max-width:74ch}
.clb-cas-puces{margin:10px 0 0;padding:0 0 0 16px;list-style:none;max-width:74ch}
.clb-cas-puces li{position:relative;margin:0 0 6px;font-size:13.5px;line-height:1.55;
  color:rgba(242,238,230,.72)}
.clb-cas-puces li::before{content:"—";position:absolute;left:-16px;
  color:rgba(201,168,108,.5)}
.clb-cas-appel{margin:26px 0 0;font-family:'Cormorant Garamond',Georgia,serif;
  font-style:italic;font-size:clamp(15px,1.35vw,19px);line-height:1.5;
  color:rgba(242,238,230,.85);max-width:60ch}
.clb-sep{margin:0 12px;color:rgba(242,238,230,.3)}

@media (max-width:620px){
  .clb-cas{padding:20px 16px}
  .clb-cas-titre{font-size:clamp(19px,4.6vw,24px)}
}
@media (prefers-reduced-motion:reduce){ .clb-cas{transition:none} }