:root{
  --noir:#0c0c0c;
  --encre:#1a1a1a;
  --gris:#6b6b6b;
  --gris-clair:#e6e4e0;
  --creme:#f7f5f2;
  --blanc:#fff;
  --violet:#8b5cf6;
  --rose:#ec4899;
  /* accents thématiques (par défaut = identité du groupe) */
  --a1:#8b5cf6;
  --a2:#ec4899;
  --serif:"Cormorant Garamond",Didot,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  --max:1180px;
}

/* ---------- thèmes de couleur par pôle ---------- */
body.t-numerique{--a1:#6366f1;--a2:#a855f7}
body.t-communication{--a1:#ec4899;--a2:#f59e0b}
body.t-commerce{--a1:#0d9488;--a2:#06b6d4}
body.t-immobilier{--a1:#b45309;--a2:#eab308}
/* la même teinte peut colorer une sous-partie (carte de pôle sur l'accueil) */
.t-numerique{--a1:#6366f1;--a2:#a855f7}
.t-communication{--a1:#ec4899;--a2:#f59e0b}
.t-commerce{--a1:#0d9488;--a2:#06b6d4}
.t-immobilier{--a1:#b45309;--a2:#eab308}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--creme);
  color:var(--encre);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

/* ---------- typo ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.1;letter-spacing:-.01em}
h1{font-size:clamp(2.9rem,7vw,5.4rem)}
h2{font-size:clamp(2rem,4.2vw,3.2rem)}
h3{font-size:1.35rem}
.sur{
  font-family:var(--sans);
  font-size:.72rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--gris);
  margin-bottom:22px;
}
.lead{font-size:1.12rem;color:#3d3d3d;max-width:62ch}

/* ---------- nav ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,242,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--gris-clair);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav .mark{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-size:1.5rem;letter-spacing:.08em}
.nav .mark img{width:34px;height:34px;object-fit:contain;mix-blend-mode:multiply}
.nav ul{display:flex;gap:34px;list-style:none;font-size:.83rem;letter-spacing:.12em;text-transform:uppercase}
.nav ul a{color:var(--gris);transition:color .25s}
.nav ul a:hover{color:var(--noir)}
.nav .cta{
  border:1px solid var(--noir);padding:11px 22px;
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  transition:.25s;
}
.nav .cta:hover{background:var(--noir);color:var(--creme)}
.burger{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer}

/* ---------- hero ---------- */
.hero{padding:130px 0 110px;text-align:center;position:relative;overflow:hidden}
.hero .glow{
  position:absolute;top:-220px;left:50%;transform:translateX(-50%);
  width:820px;height:640px;pointer-events:none;
  background:radial-gradient(circle at 42% 45%,color-mix(in srgb,var(--a1) 22%,transparent),transparent 62%),
             radial-gradient(circle at 62% 55%,color-mix(in srgb,var(--a2) 18%,transparent),transparent 62%);
  filter:blur(30px);
}
.hero .logo{width:min(560px,84%);margin:0 auto 46px;mix-blend-mode:multiply;position:relative}
.hero h1{position:relative}
.hero h1 em{font-style:italic;color:var(--gris)}
.hero p{position:relative;margin:28px auto 0;max-width:58ch;color:#3d3d3d;font-size:1.1rem}
.actions{display:flex;gap:16px;justify-content:center;margin-top:44px;flex-wrap:wrap;position:relative}
.btn{
  display:inline-block;padding:15px 34px;font-size:.76rem;
  letter-spacing:.18em;text-transform:uppercase;transition:.25s;
}
.btn-solid{background:var(--noir);color:var(--creme)}
.btn-solid:hover{background:var(--encre);transform:translateY(-2px)}
.btn-ghost{border:1px solid #cfcac3}
.btn-ghost:hover{border-color:var(--noir)}

/* ---------- bandeau chiffres ---------- */
.stats{border-top:1px solid var(--gris-clair);border-bottom:1px solid var(--gris-clair);background:var(--blanc)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--gris-clair);padding:0}
.stat{background:var(--blanc);padding:44px 30px;text-align:center}
.stat b{display:block;font-family:var(--serif);font-size:2.6rem;line-height:1}
.stat span{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gris)}

/* ---------- sections ---------- */
section{padding:110px 0}
.sec-head{max-width:760px;margin-bottom:64px}
.dark{background:var(--noir);color:var(--creme)}
.dark .sur{color:#8e8a84}
.dark .lead{color:#b9b5ae}

/* ---------- à propos ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about .mono{background:var(--blanc);padding:70px;border:1px solid var(--gris-clair)}
.about .mono img{width:100%;mix-blend-mode:multiply}
.about .portrait{border:1px solid var(--gris-clair);overflow:hidden}
.about .portrait img{width:100%;height:100%;object-fit:cover;display:block}
.founders{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px}
.tag{border:1px solid var(--gris-clair);background:var(--blanc);padding:8px 16px;font-size:.78rem;color:#4a4a4a}

/* ---------- pôles ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:1px;background:#262626}
.dark .card{background:var(--noir);padding:48px 40px;transition:background .3s}
.dark .card:hover{background:#161616}
.card .num{font-family:var(--serif);font-size:.95rem;color:#6f6b65;display:block;margin-bottom:20px}
.card h3{margin-bottom:16px}
.card ul{list-style:none;margin-top:18px}
.card li{font-size:.92rem;color:#a9a5a0;padding:7px 0 7px 20px;position:relative}
.card li::before{content:"";position:absolute;left:0;top:17px;width:8px;height:1px;background:#6f6b65}
.card .tag-synkro{
  display:inline-block;margin-bottom:16px;
  font-family:var(--sans);font-size:.62rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--creme);
  background:linear-gradient(90deg,var(--a1),var(--a2));
  padding:4px 12px;border-radius:20px;line-height:1.5;
}
.card .collab{
  font-size:.78rem;color:#b79cf0;margin-top:18px;font-style:italic;
  padding-top:14px;border-top:1px solid #262626;
}

/* ---------- solutions à impact ---------- */
.impact{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.impact article{background:var(--blanc);border:1px solid var(--gris-clair);padding:52px 46px;position:relative;overflow:hidden;display:flex;flex-direction:column}
.impact article > p:last-of-type{margin-bottom:28px}
.impact article::after{
  content:"";position:absolute;inset:auto auto -70px -70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--a1) 14%,transparent),transparent 70%);
}
.impact h3{font-size:1.9rem;margin-bottom:8px}
.impact .kicker{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--a1);margin-bottom:22px}
.impact p{color:#4a4a4a;font-size:.97rem;position:relative}
.btn-visit{
  position:relative;z-index:1;overflow:hidden;
  display:inline-flex;align-items:center;gap:10px;margin-top:auto;align-self:flex-start;
  padding:14px 30px;font-family:var(--sans);font-size:.76rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--creme);
  background:linear-gradient(100deg,var(--a1),var(--a2),var(--a1));
  background-size:200% 100%;background-position:0% 0;
  border-radius:40px;
  box-shadow:0 8px 22px color-mix(in srgb,var(--a1) 30%,transparent);
  transition:background-position .5s ease,transform .35s ease,box-shadow .35s ease;
}
.btn-visit:hover{
  background-position:100% 0;transform:translateY(-3px);
  box-shadow:0 14px 30px color-mix(in srgb,var(--a2) 42%,transparent);
}
.btn-visit .fleche{transition:transform .35s ease}
.btn-visit:hover .fleche{transform:translateX(5px)}
.btn-visit::before{
  content:"";position:absolute;top:0;left:-130%;z-index:-1;
  width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-18deg);transition:left .6s ease;
}
.btn-visit:hover::before{left:130%}

/* ---------- level up ---------- */
.media{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}
.media-visual{position:relative}
.media-visual .plateau{border:1px solid var(--gris-clair);width:100%}
.media-visual .badge{
  position:absolute;right:-26px;bottom:-34px;width:170px;
  border:1px solid var(--gris-clair);background:var(--blanc);
}
.media h2 span{background:linear-gradient(100deg,var(--a1),var(--a2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- level up : fond 3D animé (surface d'ondes, fond clair) ---------- */
#levelup{position:relative;overflow:hidden}
#levelup .wave3d{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block}
#levelup .veil{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse at 40% 45%,rgba(255,255,255,0),rgba(255,255,255,.72) 80%)}
#levelup .wrap{position:relative;z-index:2}

/* ---------- synchro ---------- */
.synchro{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.synchro ul{list-style:none;display:grid;gap:1px;background:#2a2a2a;border:1px solid #2a2a2a}
.synchro li{background:var(--noir);padding:20px 26px;font-size:.95rem;color:#c8c4be}

/* ---------- valeurs ---------- */
.valeurs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--gris-clair);border:1px solid var(--gris-clair)}
.valeur{background:var(--creme);padding:44px 32px}
.valeur h3{font-size:1.5rem;margin-bottom:12px}
.valeur p{font-size:.92rem;color:#5a5a5a}

/* ---------- contact ---------- */
.contact{text-align:center;background:var(--blanc);border-top:1px solid var(--gris-clair)}
.contact h2{margin-bottom:22px}
.contact .devise{font-family:var(--serif);font-style:italic;font-size:1.5rem;color:var(--gris);margin-bottom:46px}
.coords{display:flex;gap:60px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.coord span{display:block;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gris);margin-bottom:8px}
.coord a{font-family:var(--serif);font-size:1.5rem}
.coord a:hover{text-decoration:underline;text-underline-offset:5px}

/* ---------- formulaire ---------- */
.formulaire{max-width:640px;margin:70px auto 0;text-align:left;display:grid;gap:22px}
.champs{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.champ span{display:block;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gris);margin-bottom:10px}
.champ input,.champ textarea{
  width:100%;
  font-family:var(--sans);
  font-size:.95rem;
  color:var(--encre);
  background:var(--creme);
  border:1px solid var(--gris-clair);
  padding:14px 16px;
  transition:border-color .25s,background .25s;
}
.champ textarea{resize:vertical;line-height:1.6}
.champ input::placeholder,.champ textarea::placeholder{color:#a8a49e}
.champ input:focus,.champ textarea:focus{outline:none;border-color:var(--noir);background:var(--blanc)}
.formulaire .btn{justify-self:start;border:0;cursor:pointer;font-family:var(--sans)}
.form-note{font-size:.85rem;color:var(--gris);min-height:1.2em}
.form-note.erreur{color:#b4342c}
@media(max-width:720px){.champs{grid-template-columns:1fr}}

/* ---------- footer ---------- */
footer{background:var(--noir);color:#8e8a84;padding:56px 0 40px;font-size:.83rem}
footer .foot-top{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
footer .mark{font-family:var(--serif);font-size:1.4rem;letter-spacing:.1em;color:var(--creme)}

.credit{
  margin-top:44px;padding-top:32px;
  border-top:1px solid #262626;
  display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;
}
.credit-label{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:#6f6b65}
.credit img{width:210px;opacity:.9;transition:opacity .25s}
.credit img:hover{opacity:1}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1)}
.reveal.on{opacity:1;transform:none}

/* ---------- barre de progression ---------- */
.progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:100;
  background:linear-gradient(90deg,var(--a1),var(--a2));
  transition:width .1s linear;
}

/* ---------- entrée du hero ---------- */
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.06em}
.enter{
  opacity:0;transform:translateY(30px);
  animation:rise 1.1s cubic-bezier(.22,1,.36,1) forwards;
}
.hero .logo.enter{transform:translateY(0) scale(.96);animation:logoIn 1.4s cubic-bezier(.22,1,.36,1) forwards}
.hero h1 .enter{display:block;transform:translateY(105%);animation:riseLine 1.1s cubic-bezier(.22,1,.36,1) forwards}
.d1{animation-delay:.35s}
.d2{animation-delay:.48s}
.d3{animation-delay:.68s}
.d4{animation-delay:.84s}
@keyframes rise{to{opacity:1;transform:none}}
@keyframes riseLine{to{opacity:1;transform:translateY(0)}}
@keyframes logoIn{to{opacity:1;transform:translateY(0) scale(1)}}

/* halo qui respire */
.hero .glow{animation:drift 16s ease-in-out infinite alternate}
@keyframes drift{
  0%{transform:translateX(-50%) scale(1) rotate(0deg);opacity:.85}
  100%{transform:translateX(-48%) scale(1.12) rotate(6deg);opacity:1}
}

/* ---------- nav : soulignement ---------- */
.nav ul a{position:relative}
.nav ul a::after{
  content:"";position:absolute;left:0;bottom:-5px;height:1px;width:100%;
  background:var(--noir);transform:scaleX(0);transform-origin:right;
  transition:transform .4s cubic-bezier(.22,1,.36,1);
}
.nav ul a:hover::after{transform:scaleX(1);transform-origin:left}

/* ---------- boutons : reflet ---------- */
.btn{position:relative;overflow:hidden}
.btn::before{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.22),transparent);
  transition:left .7s ease;
}
.btn-solid:hover::before{left:130%}
.btn-ghost::before{background:linear-gradient(100deg,transparent,rgba(0,0,0,.05),transparent)}
.btn-ghost:hover::before{left:130%}
.btn-ghost:hover{transform:translateY(-2px)}

/* ---------- chiffres ---------- */
.stat b{font-variant-numeric:tabular-nums}
.stat{transition:background .35s}
.stat:hover{background:var(--creme)}

/* ---------- cartes des pôles ---------- */
.dark .card{position:relative}
.dark .card::before{
  content:"";position:absolute;top:0;left:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--a1),var(--a2));
  transform:scaleX(0);transform-origin:left;
  transition:transform .55s cubic-bezier(.22,1,.36,1);
}
.dark .card:hover::before{transform:scaleX(1)}
.card .num{transition:color .35s,letter-spacing .35s}
.dark .card:hover .num{color:var(--a2);letter-spacing:.1em}
.card li{transition:color .3s,padding-left .3s}
.dark .card:hover li{color:#d4d0ca}
.card li:hover{padding-left:26px;color:var(--creme)}

/* ---------- impact ---------- */
.impact article{transition:transform .5s cubic-bezier(.22,1,.36,1),box-shadow .5s,border-color .5s}
.impact article:hover{transform:translateY(-6px);box-shadow:0 22px 50px rgba(0,0,0,.07);border-color:#d6d1ca}
.impact article::after{transition:transform .7s ease}
.impact article:hover::after{transform:scale(1.5)}

/* ---------- level up : dégradé animé ---------- */
.media h2 span{
  background:linear-gradient(100deg,var(--a1),var(--a2),var(--a1));
  background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:flow 7s linear infinite;
}
@keyframes flow{to{background-position:-220% 0}}
.media-visual .plateau,.media-visual .badge{transition:transform .6s cubic-bezier(.22,1,.36,1)}
.media-visual:hover .plateau{transform:scale(1.015)}
.media-visual:hover .badge{transform:translateY(-8px) rotate(-3deg)}

/* ---------- synkro.tech ---------- */
#ia{position:relative;overflow:hidden}
#ia::before{
  content:"";position:absolute;top:50%;left:-160px;
  width:520px;height:520px;transform:translateY(-50%);
  background:radial-gradient(circle,rgba(219,20,123,.16),transparent 68%);
  filter:blur(20px);pointer-events:none;
  animation:pulse 9s ease-in-out infinite alternate;
}
@keyframes pulse{
  0%{transform:translateY(-50%) scale(1);opacity:.6}
  100%{transform:translateY(-54%) scale(1.25);opacity:1}
}
.synkro-logo{
  width:270px;max-width:78%;margin:6px 0 30px;
  opacity:0;transform:translateY(20px);
  transition:opacity 1s cubic-bezier(.22,1,.36,1) .15s,
             transform 1s cubic-bezier(.22,1,.36,1) .15s,
             filter .5s;
}
.reveal.on .synkro-logo{opacity:1;transform:none}
.synkro-logo:hover{filter:drop-shadow(0 0 16px rgba(219,20,123,.45))}

/* liste : entrée en cascade */
.synchro li{
  transition:background .35s,padding-left .35s,color .35s,
             opacity .7s cubic-bezier(.22,1,.36,1),
             transform .7s cubic-bezier(.22,1,.36,1);
  opacity:0;transform:translateX(-18px);
}
.synchro ul.on li{opacity:1;transform:none}
.synchro ul.on li:nth-child(1){transition-delay:.05s}
.synchro ul.on li:nth-child(2){transition-delay:.14s}
.synchro ul.on li:nth-child(3){transition-delay:.23s}
.synchro ul.on li:nth-child(4){transition-delay:.32s}
.synchro ul.on li:nth-child(5){transition-delay:.41s}
.synchro ul.on li:nth-child(6){transition-delay:.50s}
.synchro ul.on li:nth-child(7){transition-delay:.59s}
.synchro li:hover{background:#141414;padding-left:36px;color:var(--creme)}

/* ---------- valeurs ---------- */
.valeur{transition:background .4s,transform .4s}
.valeur:hover{background:var(--blanc);transform:translateY(-4px)}
.valeur h3{transition:color .35s}
.valeur:hover h3{color:var(--a1)}

/* ---------- contact ---------- */
.coord a{position:relative;display:inline-block;transition:transform .35s}
.coord a:hover{transform:translateY(-2px)}

/* ---------- accessibilité ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .enter{opacity:1;transform:none}
  .synchro li,.synkro-logo{opacity:1;transform:none}
}

/* ========== NOUVELLE STRUCTURE MULTI-PAGES ========== */

/* --- nav : lien actif --- */
.nav ul a.actif{color:var(--noir)}
.nav ul a.actif::after{transform:scaleX(1);transform-origin:left}

/* --- accueil : les 4 pôles cliquables --- */
.poles-home{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pole-card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;
  background:var(--blanc);border:1px solid var(--gris-clair);
  padding:46px 42px;text-decoration:none;color:inherit;
  transition:transform .5s cubic-bezier(.22,1,.36,1),box-shadow .5s,border-color .5s;
}
.pole-card::before{
  content:"";position:absolute;top:0;left:0;height:4px;width:100%;
  background:linear-gradient(90deg,var(--a1),var(--a2));
  transform:scaleX(0);transform-origin:left;
  transition:transform .55s cubic-bezier(.22,1,.36,1);
}
.pole-card::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--a1) 16%,transparent),transparent 70%);
  transition:transform .7s ease;
}
.pole-card:hover{transform:translateY(-6px);box-shadow:0 24px 54px rgba(0,0,0,.09);border-color:#d6d1ca}
.pole-card:hover::before{transform:scaleX(1)}
.pole-card:hover::after{transform:scale(1.5)}
.pole-card .p-top{display:flex;align-items:center;gap:12px;margin-bottom:22px;position:relative}
.pole-card .p-num{font-family:var(--serif);font-size:1.05rem;color:var(--a1);letter-spacing:.05em}
.pole-card .dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(90deg,var(--a1),var(--a2))}
.pole-card h3{font-size:1.72rem;margin-bottom:14px;position:relative}
.pole-card > p{color:#565656;font-size:.98rem;margin-bottom:24px;position:relative}
.pole-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;position:relative}
.pole-card .tags span{font-size:.72rem;color:#5f5f5f;border:1px solid var(--gris-clair);border-radius:20px;padding:5px 13px}
.pole-card .go{margin-top:auto;display:inline-flex;align-items:center;gap:10px;position:relative;
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--a1);font-weight:500}
.pole-card .go .fl{transition:transform .35s}
.pole-card:hover .go .fl{transform:translateX(6px)}

/* --- accueil : intro des pôles avec photo --- */
.poles-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;margin-bottom:60px}
.poles-intro .portrait{border:1px solid var(--gris-clair);overflow:hidden;align-self:stretch}
.poles-intro .portrait img{width:100%;height:100%;object-fit:cover;display:block;min-height:340px;transition:transform .7s cubic-bezier(.22,1,.36,1)}
.poles-intro .portrait:hover img{transform:scale(1.03)}

/* --- à propos : panneau de marque animé --- */
.brand-anim{position:relative;display:flex;align-items:center;justify-content:center;min-height:360px;
  border:1px solid var(--gris-clair);background:var(--blanc);overflow:hidden}
.brand-anim .halo{position:absolute;width:70%;aspect-ratio:1;border-radius:50%;
  background:conic-gradient(from 0deg,var(--a1),var(--a2),var(--a1));filter:blur(42px);opacity:.42;
  animation:spin 16s linear infinite}
.brand-anim .ring{position:absolute;border-radius:50%}
.brand-anim .ring.r1{width:60%;aspect-ratio:1;border:1px dashed color-mix(in srgb,var(--a1) 45%,transparent);animation:spin 22s linear infinite}
.brand-anim .ring.r2{width:80%;aspect-ratio:1;border:1px solid color-mix(in srgb,var(--a2) 24%,transparent);animation:spin 34s linear infinite reverse}
.brand-anim img{position:relative;width:40%;mix-blend-mode:multiply;animation:floaty 6s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@media(max-width:820px){ .poles-intro{grid-template-columns:1fr;gap:34px} .brand-anim{min-height:300px} }

/* --- pages pôles : hero thématique --- */
.pole-hero{position:relative;overflow:hidden;padding:140px 0 96px;background:#0b0a0f;color:var(--creme)}
.pole-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(58% 85% at 18% 12%,color-mix(in srgb,var(--a1) 45%,transparent),transparent 62%),
    radial-gradient(58% 85% at 86% 92%,color-mix(in srgb,var(--a2) 40%,transparent),transparent 60%);
  animation:drift 18s ease-in-out infinite alternate;
}
.pole-hero .wrap{position:relative;z-index:2}
.fil{font-size:.73rem;letter-spacing:.2em;text-transform:uppercase;color:#b3aebf;margin-bottom:26px}
.fil a{color:#b3aebf;transition:color .25s}
.fil a:hover{color:#fff}
.fil .sep{opacity:.5;margin:0 8px}
.pole-hero .p-index{font-family:var(--serif);font-size:1rem;color:#c9c4d4;letter-spacing:.06em;margin-bottom:14px}
.pole-hero h1{font-size:clamp(2.5rem,6vw,4.6rem);line-height:1.04;margin-bottom:24px}
.pole-hero h1 .grad{background:linear-gradient(100deg,var(--a1),var(--a2));-webkit-background-clip:text;background-clip:text;color:transparent}
.pole-hero .intro{max-width:60ch;color:#d8d4e0;font-size:1.14rem;line-height:1.7}

/* --- pages pôles : blocs de services --- */
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1px;background:var(--gris-clair);border:1px solid var(--gris-clair)}
.svc{background:var(--blanc);padding:46px 40px;transition:background .35s}
.svc:hover{background:var(--creme)}
.svc .s-num{font-family:var(--serif);color:var(--a1);font-size:.95rem;letter-spacing:.05em;margin-bottom:16px;display:block}
.svc h3{font-size:1.5rem;margin-bottom:8px}
.svc .s-desc{color:#5a5a5a;font-size:.94rem;margin-bottom:16px}
.svc ul{list-style:none;display:grid;gap:11px;margin-top:6px}
.svc li{font-size:.95rem;color:#4a4a4a;padding-left:22px;position:relative}
.svc li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--a1),var(--a2))}
.svc .collab{margin-top:24px;padding-top:14px;border-top:1px solid var(--gris-clair);font-size:.78rem;font-style:italic;color:var(--a1)}

/* --- bandeau CTA (bas des pages pôles) --- */
.cta-band{text-align:center;background:var(--creme);border-top:1px solid var(--gris-clair)}
.cta-band h2{margin-bottom:18px}
.cta-band p{max-width:52ch;margin:0 auto 34px;color:#4a4a4a}

/* --- responsive nouvelles sections --- */
@media(max-width:820px){
  .poles-home{grid-template-columns:1fr}
  .pole-hero{padding:110px 0 72px}
}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .nav ul{
    display:none;position:absolute;top:76px;left:0;right:0;
    flex-direction:column;gap:0;background:var(--creme);
    border-bottom:1px solid var(--gris-clair);padding:12px 28px 22px;
  }
  .nav ul.open{display:flex}
  .nav ul li{padding:12px 0;border-bottom:1px solid var(--gris-clair)}
  .burger{display:block}
  .nav .cta{display:none}
  .about,.impact,.media,.synchro{grid-template-columns:1fr;gap:44px}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .media-visual .badge{right:0;bottom:-24px;width:120px}
  section{padding:78px 0}
  .hero{padding:80px 0 70px}
  .about .mono{padding:44px}
}