:root{
  --nuit:#131F2E;          /* bleu nuit — encre */
  --nuit-2:#1C2B3E;
  --papier:#F6F6F3;        /* papier froid */
  --blanc:#FDFDFC;
  --lavande:#8B7FC7;       /* Digne, capitale de la lavande */
  --lavande-pale:#E4E1F1;
  --pierre:#6E7787;        /* gris pierre */
  --trait:#D8DAD5;
  --ok:#3E7C5B;

  --f-display:'Spectral', Georgia, serif;
  --f-body:'Archivo', -apple-system, sans-serif;
  --f-mono:'IBM Plex Mono', monospace;

  --w:1160px;
  --r:6px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-body);
  background:var(--papier);
  color:var(--nuit);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--lavande);color:#fff}

.wrap{max-width:var(--w);margin:0 auto;padding:0 32px}
img{max-width:100%;display:block}
a{color:inherit}

/* ---------- utilitaires typographiques ---------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--pierre);
  display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--lavande)}
h1,h2,h3{font-family:var(--f-display);font-weight:500;line-height:1.15}
h2{font-size:clamp(30px,4vw,44px);letter-spacing:-.01em}
.section-head{max-width:720px;margin-bottom:56px}
.section-head p{margin-top:16px;color:var(--pierre);font-size:17px}

/* ---------- boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-body);font-weight:600;font-size:15px;
  padding:14px 26px;border-radius:var(--r);
  text-decoration:none;transition:all .22s ease;
  border:1px solid transparent;cursor:pointer;
}
.btn svg{transition:transform .22s ease}
.btn:hover svg{transform:translateX(4px)}
.btn-primaire{background:var(--nuit);color:#fff}
.btn-primaire:hover{background:var(--lavande)}
.btn-fantome{border-color:var(--nuit);color:var(--nuit);background:transparent}
.btn-fantome:hover{background:var(--nuit);color:#fff}
.btn-clair{background:#fff;color:var(--nuit)}
.btn-clair:hover{background:var(--lavande);color:#fff}

/* ---------- navigation ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(246,246,243,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--trait);
  transition:box-shadow .3s ease;
}
header.scrolled{box-shadow:0 2px 24px rgba(19,31,46,.07)}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{display:flex;align-items:baseline;gap:10px;text-decoration:none}
.logo-mark{
  font-family:var(--f-display);font-weight:600;font-size:23px;letter-spacing:-.01em;
}
.logo-mark span{color:var(--lavande)}
.logo-tag{
  font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--pierre);
}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{
  text-decoration:none;font-size:14.5px;font-weight:500;color:var(--nuit);
  padding:6px 0;border-bottom:2px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.nav-links a:hover{border-color:var(--lavande)}
.nav-cta{margin-left:8px}
.burger{
  display:none;background:none;border:none;cursor:pointer;padding:10px;
}
.burger span{
  display:block;width:24px;height:2px;background:var(--nuit);
  margin:5px 0;transition:transform .3s ease,opacity .3s ease;
}
.menu-mobile{
  display:none;position:fixed;inset:72px 0 0 0;z-index:99;
  background:var(--papier);padding:40px 32px;
  flex-direction:column;gap:8px;
}
.menu-mobile.open{display:flex}
.menu-mobile a{
  text-decoration:none;font-family:var(--f-display);font-size:28px;
  padding:12px 0;border-bottom:1px solid var(--trait);
}
body.menu-verrou{overflow:hidden}
.burger.actif span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.actif span:nth-child(2){opacity:0}
.burger.actif span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:180px 0 110px;
  overflow:hidden;
}
.hero-topo{
  position:absolute;inset:0;z-index:0;pointer-events:none;
}
.hero-topo svg{width:100%;height:100%}
.topo-ligne{
  fill:none;stroke:var(--nuit);stroke-opacity:.10;stroke-width:1.2;
  stroke-dasharray:2600;stroke-dashoffset:2600;
  animation:tracer 2.6s ease-out forwards;
}
.topo-ligne.l2{animation-delay:.15s;stroke-opacity:.08}
.topo-ligne.l3{animation-delay:.3s;stroke-opacity:.06}
.topo-ligne.l4{animation-delay:.45s;stroke-opacity:.05}
.topo-ligne.lav{stroke:var(--lavande);stroke-opacity:.35;animation-delay:.6s}
@keyframes tracer{to{stroke-dashoffset:0}}

.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:end;
}
.hero h1{
  font-size:clamp(40px,5.6vw,68px);
  font-weight:500;letter-spacing:-.015em;line-height:1.08;
  margin:20px 0 26px;
}
.hero h1 em{font-style:italic;color:var(--lavande)}
.hero-lede{
  font-size:18px;color:var(--pierre);max-width:560px;margin-bottom:38px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* fiche altitudes — signature */
.fiche-alt{
  background:var(--blanc);border:1px solid var(--trait);border-radius:var(--r);
  padding:26px 28px;
  box-shadow:0 12px 40px rgba(19,31,46,.06);
}
.fiche-alt-titre{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--pierre);
  display:flex;justify-content:space-between;
  padding-bottom:14px;border-bottom:1px solid var(--trait);margin-bottom:6px;
}
.alt-ligne{
  display:flex;align-items:baseline;justify-content:space-between;
  padding:13px 0;border-bottom:1px dashed var(--trait);
  text-decoration:none;transition:padding-left .2s ease;
}
.alt-ligne:last-of-type{border-bottom:none}
.alt-ligne:hover{padding-left:6px}
.alt-ligne:hover .alt-ville{color:var(--lavande)}
.alt-ville{font-family:var(--f-display);font-size:19px;font-weight:500;transition:color .2s ease}
.alt-detail{font-size:13px;color:var(--pierre)}
.alt-m{font-family:var(--f-mono);font-size:14px;color:var(--nuit)}
.alt-m small{color:var(--pierre);font-size:11px}
.fiche-alt-note{
  margin-top:14px;font-size:13px;color:var(--pierre);
  display:flex;gap:8px;align-items:center;
}
.fiche-alt-note::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--lavande);flex-shrink:0;
}

/* ---------- bandeau chiffres ---------- */
.releve{
  background:var(--nuit);color:var(--papier);
  padding:64px 0;
}
.releve-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.releve-item{
  padding:0 36px;border-left:1px solid rgba(246,246,243,.14);
}
.releve-item:first-child{border-left:none;padding-left:0}
.releve-num{
  font-family:var(--f-mono);font-size:clamp(34px,3.6vw,46px);
  font-weight:500;line-height:1;color:#fff;
}
.releve-num sup{font-size:.45em;color:var(--lavande);top:-.7em}
.releve-lab{
  margin-top:12px;font-size:14px;color:rgba(246,246,243,.65);max-width:180px;
}

/* ---------- sections ---------- */
section{padding:110px 0}
section.serree{padding:90px 0}

/* piliers */
.piliers-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--trait);border:1px solid var(--trait);border-radius:var(--r);
  overflow:hidden;
}
.pilier{
  background:var(--blanc);padding:44px 36px 40px;
  display:flex;flex-direction:column;
  transition:background .25s ease;
}
.pilier:hover{background:#fff}
.pilier-code{
  font-family:var(--f-mono);font-size:12px;color:var(--lavande);
  letter-spacing:.1em;margin-bottom:22px;
}
.pilier h3{font-size:24px;margin-bottom:16px}
.pilier p{color:var(--pierre);font-size:15.5px;flex-grow:1}
.pilier a{
  margin-top:28px;text-decoration:none;font-weight:600;font-size:15px;
  display:inline-flex;align-items:center;gap:8px;color:var(--nuit);
  transition:color .2s ease;
}
.pilier a:hover{color:var(--lavande)}
.pilier a svg{transition:transform .2s ease}
.pilier a:hover svg{transform:translateX(4px)}

/* audit — bande sombre */
.audit{
  background:var(--nuit-2);color:var(--papier);
  border-radius:var(--r);
  padding:72px 64px;
  display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:center;
  position:relative;overflow:hidden;
}
.audit::after{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;
  border:1px solid rgba(139,127,199,.3);border-radius:50%;
}
.audit::before{
  content:"";position:absolute;right:-30px;top:-30px;width:240px;height:240px;
  border:1px dashed rgba(139,127,199,.25);border-radius:50%;
}
.audit h2{color:#fff;margin:16px 0 20px}
.audit p{color:rgba(246,246,243,.72);max-width:520px}
.audit .eyebrow{color:rgba(246,246,243,.55)}
.audit-cachet{
  position:relative;z-index:1;
  justify-self:end;text-align:center;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(246,246,243,.75);
  border:1px solid rgba(246,246,243,.25);border-radius:50%;
  width:210px;height:210px;
  display:flex;flex-direction:column;justify-content:center;gap:8px;
  padding:20px;
}
.audit-cachet strong{
  font-family:var(--f-display);font-size:30px;letter-spacing:0;
  text-transform:none;color:#fff;font-weight:500;
}
.audit .btn{margin-top:30px}

/* pilotage */
.pilotage-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;
}
.pilotage-visuel{
  background:var(--blanc);border:1px solid var(--trait);border-radius:var(--r);
  padding:36px;
}
.courbe-titre{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--pierre);
  display:flex;justify-content:space-between;margin-bottom:20px;
}
.courbe-titre b{color:var(--ok);font-weight:500}
.pilotage-visuel svg{width:100%;height:auto}
.pilotage-notes{
  margin-top:20px;display:flex;gap:24px;flex-wrap:wrap;
}
.pilotage-note{font-size:13px;color:var(--pierre);display:flex;align-items:center;gap:8px}
.pilotage-note i{width:18px;height:2px;display:inline-block}
.pilotage-txt p{color:var(--pierre);margin:18px 0}
.pilotage-txt p a{color:var(--nuit);font-weight:600;text-decoration-color:var(--lavande);text-underline-offset:3px}

/* profils */
.profils{background:var(--blanc);border-top:1px solid var(--trait);border-bottom:1px solid var(--trait)}
.profils-liste{list-style:none;border-top:1px solid var(--trait)}
.profil{
  display:grid;grid-template-columns:220px 1fr auto;gap:32px;align-items:center;
  padding:30px 0;border-bottom:1px solid var(--trait);
  transition:padding-left .25s ease;
}
.profil:hover{padding-left:10px}
.profil:hover .profil-nom{color:var(--lavande)}
.profil-nom{
  font-family:var(--f-display);font-size:21px;font-weight:500;transition:color .2s ease;
}
.profil-desc{color:var(--pierre);font-size:15px;max-width:640px}
.profil-fleche{color:var(--trait);transition:color .25s ease,transform .25s ease}
.profil:hover .profil-fleche{color:var(--lavande);transform:translateX(6px)}
.profils-pied{
  margin-top:40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
}
.profils-pied p{color:var(--pierre);font-size:15px;max-width:560px}

/* bureaux */
.bureaux-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.bureau{
  background:var(--blanc);border:1px solid var(--trait);border-radius:var(--r);
  padding:32px;position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.bureau:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(19,31,46,.08)}
.bureau-alt{
  font-family:var(--f-mono);font-size:12px;color:var(--lavande);
  letter-spacing:.1em;margin-bottom:16px;
}
.bureau h3{font-size:22px;margin-bottom:8px}
.bureau p{font-size:14.5px;color:var(--pierre)}
.bureau-badge{
  display:inline-block;margin-top:16px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 10px;border-radius:99px;border:1px solid var(--trait);color:var(--pierre);
}
.bureau-badge.historique{border-color:var(--lavande-pale);background:var(--lavande-pale);color:var(--nuit)}
.bureaux-extension{
  margin-top:24px;background:transparent;border:1px dashed var(--trait);
  border-radius:var(--r);padding:26px 32px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
}
.bureaux-extension p{color:var(--pierre);font-size:15px}
.bureaux-extension p strong{color:var(--nuit)}
.lien-simple{
  font-weight:600;font-size:15px;text-decoration:none;
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  transition:color .2s ease;
}
.lien-simple:hover{color:var(--lavande)}

/* témoignages */
.temoins-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.temoin{
  background:var(--blanc);border:1px solid var(--trait);border-radius:var(--r);
  padding:40px;position:relative;
}
.temoin::before{
  content:"“";position:absolute;top:18px;left:32px;
  font-family:var(--f-display);font-size:80px;line-height:1;
  color:var(--lavande-pale);
}
.temoin blockquote{
  font-family:var(--f-display);font-size:19px;line-height:1.55;
  position:relative;z-index:1;margin-bottom:24px;
}
.temoin-qui{display:flex;align-items:center;gap:14px}
.temoin-avatar{
  width:42px;height:42px;border-radius:50%;
  background:var(--nuit);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--f-mono);font-size:14px;
}
.temoin-nom{font-weight:600;font-size:15px}
.temoin-depuis{font-size:13px;color:var(--pierre)}

/* contact */
.contact{background:var(--blanc);border-top:1px solid var(--trait)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px}
.contact-carte{
  border:1px solid var(--trait);border-radius:var(--r);padding:32px;
  text-decoration:none;display:block;
  transition:border-color .25s ease,transform .25s ease;
}
.contact-carte:hover{border-color:var(--lavande);transform:translateY(-3px)}
.contact-lab{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--pierre);margin-bottom:14px;
}
.contact-val{font-family:var(--f-display);font-size:21px;font-weight:500;margin-bottom:10px}
.contact-carte p{font-size:14px;color:var(--pierre)}
.contact-actions{display:flex;gap:14px;flex-wrap:wrap}

/* CTA final */
.cta-final{
  background:var(--nuit);color:var(--papier);
  position:relative;overflow:hidden;
  padding:110px 0;
}
.cta-final .hero-topo .topo-ligne{stroke:#fff;animation:none;stroke-dashoffset:0}
.cta-final .hero-topo .lav{stroke:var(--lavande)}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto}
.cta-final h2{color:#fff;font-size:clamp(32px,4.5vw,50px)}
.cta-final h2 em{font-style:italic;color:var(--lavande)}
.cta-final p{margin:22px 0 36px;color:rgba(246,246,243,.7);font-size:17px}
.cta-diag{
  display:inline-block;margin-top:22px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(246,246,243,.6);
}

/* footer */
footer{background:var(--nuit);color:rgba(246,246,243,.65);border-top:1px solid rgba(246,246,243,.12)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;
  padding:72px 0 56px;
}
.footer-marque .logo-mark{color:#fff;font-size:22px}
.footer-marque p{font-size:14px;margin-top:16px;max-width:280px}
.footer-col h4{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(246,246,243,.45);
  margin-bottom:20px;font-weight:500;
}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:12px}
.footer-col a{text-decoration:none;font-size:14.5px;transition:color .2s ease}
.footer-col a:hover{color:var(--lavande)}
.footer-bas{
  border-top:1px solid rgba(246,246,243,.12);
  padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;
}
.footer-bas a{text-decoration:none}
.footer-bas a:hover{color:var(--lavande)}
.footer-depuis{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em}

/* Le contenu reste visible même si l'observateur de scroll est différé ou bloqué. */
.rev,.rev.vu{opacity:1;transform:none;transition:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rev{opacity:1;transform:none}
  .topo-ligne{stroke-dashoffset:0}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .fiche-alt{max-width:520px}
  .releve-grid{grid-template-columns:1fr 1fr;gap:40px 0}
  .releve-item:nth-child(3){border-left:none;padding-left:0}
  .piliers-grid{grid-template-columns:1fr}
  .audit{grid-template-columns:1fr;padding:56px 40px}
  .audit-cachet{justify-self:start}
  .pilotage-grid{grid-template-columns:1fr;gap:48px}
  .bureaux-grid{grid-template-columns:1fr;gap:16px}
  .temoins-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:820px){
  .nav-links{display:none}
  .burger{display:block}
  .profil{grid-template-columns:1fr;gap:8px}
  .profil-fleche{display:none}
}
@media(max-width:560px){
  .wrap{padding:0 20px}
  section{padding:72px 0}
  .hero{padding:140px 0 72px}
  .releve-grid{grid-template-columns:1fr}
  .releve-item{border-left:none;padding:0}
  .audit{padding:44px 28px}
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- pages intérieures (expertises) ---------- */
.page-hero{
  position:relative;padding:160px 0 72px;overflow:hidden;
  border-bottom:1px solid var(--trait);
}
.page-hero h1{
  font-size:clamp(34px,4.6vw,54px);font-weight:500;letter-spacing:-.015em;
  margin:18px 0 20px;max-width:760px;
}
.page-hero .hero-lede{margin-bottom:34px}
.fil{
  font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--pierre);margin-bottom:10px;
}
.fil a{text-decoration:none}
.fil a:hover{color:var(--lavande)}
.points-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.point{
  background:var(--blanc);border:1px solid var(--trait);border-radius:var(--r);
  padding:36px 32px;transition:transform .25s ease,box-shadow .25s ease;
}
.point:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(19,31,46,.08)}
.point-num{
  font-family:var(--f-mono);font-size:12px;color:var(--lavande);
  letter-spacing:.1em;margin-bottom:16px;
}
.point h3{font-size:21px;margin-bottom:10px}
.point p{color:var(--pierre);font-size:15px}
.autres-expertises{
  margin-top:64px;padding-top:48px;border-top:1px solid var(--trait);
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
}
.autres-expertises p{color:var(--pierre)}
@media(max-width:760px){
  .points-grid{grid-template-columns:1fr}
  .page-hero{padding:130px 0 56px}
}