:root{
  --reseau:20,40,60;
  --fond:#f4f6f8; --surface:#ffffff; --texte:#122030; --doux:#5b6875; --ligne:#e1e6eb;
  --accent:#0d8a78; --accent-2:#19c3a8; --accent-doux:#e1f4f0; --avant:#c0582e; --avant-doux:#fcede6;
  --ia:#6a5ae0; --ia-doux:#efecfd; --ok:#1f8a4c; --bloque:#c0392b; --teams:#5059c9;
  --nuit:#0a1622; --nuit-2:#11283a; --sur-nuit:#e8f0f5; --sur-nuit-doux:#9fb3c2;
  --ombre:0 1px 2px rgba(16,32,48,.06),0 8px 24px rgba(16,32,48,.06);
  --mono:"JetBrains Mono",ui-monospace,"Cascadia Code",Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --fond:#0d141b; --surface:#151f2a; --texte:#e6ebf0; --doux:#9aa7b4; --ligne:#26323f;
    --accent:#2fc2aa; --accent-2:#5ee6cf; --accent-doux:#14352f; --avant:#ef9466; --avant-doux:#3a2419;
    --ia:#a297ff; --ia-doux:#26214a; --ok:#4cc985; --bloque:#ff7a6b; --teams:#8f97ff;
    --reseau:170,200,220; --nuit:#070e15; --nuit-2:#0f2231; --ombre:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"]{
  --fond:#0d141b; --surface:#151f2a; --texte:#e6ebf0; --doux:#9aa7b4; --ligne:#26323f;
  --accent:#2fc2aa; --accent-2:#5ee6cf; --accent-doux:#14352f; --avant:#ef9466; --avant-doux:#3a2419;
  --ia:#a297ff; --ia-doux:#26214a; --ok:#4cc985; --bloque:#ff7a6b; --teams:#8f97ff;
  --nuit:#070e15; --nuit-2:#0f2231; --ombre:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--fond);color:var(--texte);font:16px/1.6 Inter,"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
.ico{width:22px;height:22px;flex:none}
.contenu{max-width:1120px;margin:0 auto;padding:0 16px}
main{padding-bottom:48px}

#reseau{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
body{position:relative;z-index:0}

/* En-tête collant, posé sur le bandeau sombre */
.barre{position:sticky;top:0;z-index:10;background:rgba(10,22,34,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.barre-int{display:flex;justify-content:space-between;align-items:center;gap:12px;min-width:0;padding:12px 16px;max-width:1120px;margin:0 auto}
.marque{font-weight:800;font-size:1.05rem;text-decoration:none;color:#fff;letter-spacing:-.01em}
.marque span{color:var(--accent-2);font-weight:600}
nav{display:flex;align-items:center;gap:18px}
nav a{white-space:nowrap;text-decoration:none;color:var(--sur-nuit-doux);font-size:.92rem;font-weight:500}
nav a:hover{color:#fff}
#langue{border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;border-radius:999px;padding:4px 12px;cursor:pointer;font:inherit;font-size:.8rem;font-weight:600}
#langue:hover{border-color:var(--accent-2)}
.pied{max-width:1120px;margin:0 auto;padding:24px 16px 40px;color:var(--doux);font-size:.85rem;border-top:1px solid var(--ligne)}

/* Bandeau sombre (accueil, contact, tête de cas) */
.bandeau{position:relative;overflow:hidden;color:var(--sur-nuit);
  background:radial-gradient(900px 420px at 85% -10%,rgba(25,195,168,.28),transparent 60%),
             radial-gradient(700px 380px at 0% 110%,rgba(106,90,224,.25),transparent 60%),
             linear-gradient(160deg,var(--nuit),var(--nuit-2));}
.bandeau::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:36px 36px;mask-image:linear-gradient(to bottom,#000,transparent 85%);-webkit-mask-image:linear-gradient(to bottom,#000,transparent 85%)}
.bandeau .contenu{position:relative}
.hero{padding:72px 16px 56px}
.surtitre{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2);border:1px solid rgba(94,230,207,.35);border-radius:999px;padding:4px 12px;margin-bottom:18px}
.hero h1{font-size:clamp(2rem,5.2vw,3.5rem);line-height:1.08;letter-spacing:-.025em;font-weight:800;margin:0 0 18px;max-width:860px;color:#fff}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent-2),#9d8cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:1.12rem;color:var(--sur-nuit-doux);max-width:720px;margin:0 0 10px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 0}
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:.95rem;font-weight:600;text-decoration:none;cursor:pointer;border-radius:10px;padding:11px 20px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.04);color:#fff;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.1)}
.btn.plein{background:linear-gradient(135deg,var(--accent-2),#13a38d);border-color:transparent;color:#05221d}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:48px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:14px;overflow:hidden}
.stat{background:rgba(10,22,34,.55);padding:18px 20px}
.stat b{display:block;font-size:1.9rem;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.1}
.stat span{display:block;margin-top:4px;color:var(--sur-nuit-doux);font-size:.88rem;line-height:1.4}

/* Accueil */
h2.section{font-size:1.5rem;letter-spacing:-.015em;margin:56px 0 18px}
.principes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr));gap:14px}
.principe{background:var(--surface);border:1px solid var(--ligne);border-radius:14px;padding:18px;box-shadow:var(--ombre)}
.principe .ico{width:34px;height:34px;padding:7px;border-radius:9px;color:var(--accent);background:var(--accent-doux);margin-bottom:10px}
.principe b{display:block;margin-bottom:4px}
.principe span{color:var(--doux);font-size:.93rem}
.normes-accueil{display:flex;align-items:center;gap:12px;margin:16px 0 0;padding:14px 18px;border-radius:12px;background:var(--ia-doux);color:var(--texte);font-size:.95rem}
.normes-accueil .ico{color:var(--ia)}
.cartes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(310px,100%),1fr));gap:18px}
.carte{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--ligne);border-radius:16px;padding:22px;text-decoration:none;color:inherit;box-shadow:var(--ombre);transition:transform .18s,box-shadow .18s,border-color .18s;overflow:hidden}
.carte::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent-2),var(--ia));opacity:.9}
a.carte:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 2px 4px rgba(16,32,48,.06),0 16px 36px rgba(16,32,48,.12)}
.carte-tete{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.carte-ico{width:42px;height:42px;padding:9px;border-radius:11px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--ia))}
.carte h3{margin:10px 0 8px;font-size:1.15rem;line-height:1.3;letter-spacing:-.01em}
.carte p{margin:0 0 16px;color:var(--doux);font-size:.95rem}
.gain{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.9rem}
.gain .de{color:var(--avant);background:var(--avant-doux);padding:3px 10px;border-radius:999px;text-decoration:line-through;text-decoration-thickness:1px}
.gain .fleche{color:var(--doux)}
.gain .a{color:var(--accent);background:var(--accent-doux);padding:3px 10px;border-radius:999px;font-weight:700}
.carte .gain{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center}
.carte .gain .fleche{transform:rotate(90deg);line-height:1;font-size:.95rem}
.carte.bientot{box-shadow:none;background:transparent;border-style:dashed}
.carte.bientot::before{display:none}
.carte.bientot .carte-ico{background:var(--ligne);color:var(--doux)}
.carte.bientot h3,.carte.bientot p{opacity:.75}
.etiquettes{display:flex;flex-direction:column;align-items:flex-start;gap:5px}
.etiquette{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);background:var(--accent-doux);padding:3px 9px;border-radius:999px}
.etiquette.contexte{color:var(--doux);background:transparent;border:1px solid var(--ligne)}
.carte.bientot .etiquette{color:var(--doux);background:var(--fond)}
.appel{position:relative;overflow:hidden;border-radius:18px;padding:32px;margin-top:40px;color:var(--sur-nuit);background:radial-gradient(600px 260px at 100% 0%,rgba(25,195,168,.3),transparent 60%),linear-gradient(135deg,var(--nuit),var(--nuit-2))}
.appel h2{margin:0 0 8px;font-size:1.4rem;color:#fff}
.appel{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;border:1px solid rgba(255,255,255,.06)}
.appel::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.3;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:36px 36px}
.appel-texte,.appel-actions{position:relative}
.appel-texte{flex:1 1 420px}
.appel p{margin:0;color:var(--sur-nuit-doux);max-width:620px}
.appel-actions{display:flex;gap:12px;flex-wrap:wrap}

.apropos-hero{display:flex;align-items:center;gap:36px;flex-wrap:wrap}
.portrait{width:150px;height:150px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:3rem;font-weight:800;color:#fff;object-fit:cover;background:var(--nuit-2);box-shadow:0 0 0 4px rgba(94,230,207,.45),0 0 0 10px rgba(255,255,255,.05)}
.apropos-titre{font-size:1.15rem;color:var(--sur-nuit);max-width:640px}
.apropos{padding-top:28px}
.apropos .bloc p{max-width:820px}
.formation{margin:0;padding-left:20px}
.formation li{margin:6px 0}

.autres h2.section{margin-top:40px}
.mini-cartes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:12px}
.mini-carte{display:flex;align-items:center;gap:12px;padding:14px;border-radius:14px;background:var(--surface);border:1px solid var(--ligne);box-shadow:var(--ombre);text-decoration:none;color:var(--texte);font-weight:600;font-size:.93rem;line-height:1.3;transition:transform .15s,border-color .15s}
.mini-carte:hover{transform:translateY(-2px);border-color:var(--accent)}
.mini-carte small{display:block;font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);margin-bottom:3px}
.mini-carte .carte-ico{width:36px;height:36px;padding:8px}
.tous{margin:16px 0 0}
.tous a{font-weight:600;text-decoration:none}

/* Tête de cas */
.bandeau-cas .contenu{padding-top:28px;padding-bottom:40px}
.bandeau-cas .carte-tete{margin-top:18px}
.bandeau-cas .etiquette{background:rgba(94,230,207,.15);color:var(--accent-2)}
.bandeau-cas .etiquette.contexte{border-color:rgba(255,255,255,.2);color:var(--sur-nuit-doux);background:transparent}
.retour{display:inline-block;color:var(--sur-nuit-doux);text-decoration:none;font-size:.9rem}
.retour:hover{color:#fff}
.cas h1{font-size:clamp(1.7rem,4.2vw,2.6rem);margin:14px 0 12px;line-height:1.15;letter-spacing:-.02em;color:#fff;max-width:900px}
.cas .probleme{font-size:1.06rem;color:var(--sur-nuit-doux);max-width:820px;margin:0 0 20px}
.gain.grand{font-size:1rem}
.bandeau-cas .gain .de{background:rgba(239,148,102,.15);color:#f3a582}
.bandeau-cas .gain .a{background:rgba(94,230,207,.15);color:var(--accent-2)}
.cas > .contenu{padding-top:28px}
.bloc{background:var(--surface);border:1px solid var(--ligne);border-radius:12px;padding:20px;margin:0 0 20px}
.bloc h2{font-size:1.15rem;margin:0 0 14px}
.comparaison{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.colonne{border-radius:10px;padding:16px}
.colonne.avant{background:var(--avant-doux)}
.colonne.maintenant{background:var(--accent-doux)}
.colonne h3{margin:0 0 4px;font-size:1rem;text-transform:uppercase;letter-spacing:.05em}
.colonne.avant h3{color:var(--avant)} .colonne.maintenant h3{color:var(--accent)}
.colonne .total{font-size:1.6rem;font-weight:700;margin:0 0 10px}
.colonne ol{margin:0;padding-left:20px}
.colonne li{margin:6px 0;font-size:.95rem}
.colonne li .duree{color:var(--doux);font-size:.85rem;white-space:nowrap}
.barres{margin:18px 0 0}
.barre-ligne{display:grid;grid-template-columns:110px 1fr;align-items:center;gap:10px;margin:6px 0;font-size:.88rem;color:var(--doux)}
.barre-piste{background:var(--fond);border-radius:6px;height:16px;overflow:hidden}
.barre-plein{height:100%;border-radius:6px;width:0;transition:width 1.2s ease}
.barre-plein.avant{background:var(--avant)} .barre-plein.maintenant{background:var(--accent)}

.liste{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));gap:12px;margin-top:10px}
.groupe{background:var(--fond);border-radius:8px;padding:12px 14px}
.groupe h3{margin:0 0 6px;font-size:.95rem}
.groupe ul{margin:0;padding-left:18px}
.groupe li{font-size:.88rem;margin:3px 0}
.groupe li.piege{color:var(--avant);font-weight:600}
.legende{font-size:.85rem;color:var(--doux);display:flex;align-items:center;gap:8px;margin:12px 0 0}
.pastille{width:10px;height:10px;border-radius:50%;background:var(--avant);display:inline-block}

.normes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:12px}
.norme{background:var(--fond);border-radius:8px;padding:12px 14px}
.norme h3{margin:0 0 6px;font-size:.95rem}
.norme ul{list-style:none;margin:0;padding:0}
.norme li{font-size:.88rem;margin:4px 0}
.norme li b{display:inline-block;min-width:48px;color:var(--accent)}
.norme p{margin:0;font-size:.88rem}

.schema{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:stretch;gap:0}
.noeud{position:relative;flex:1 1 130px;min-width:120px;margin:6px 26px 6px 0;padding:12px 14px;border-radius:12px;border:1px solid var(--ligne);background:var(--fond);border-top:3px solid var(--accent)}
.noeud b{display:block;font-size:.92rem;line-height:1.3}
.noeud span{display:block;margin-top:4px;font-size:.8rem;color:var(--doux);line-height:1.35}
.noeud::after{content:"→";position:absolute;right:-21px;top:50%;transform:translateY(-50%);color:var(--doux);font-weight:700}
.noeud:last-child{margin-right:0}
.noeud:last-child::after{display:none}
.noeud.ia{border-top-color:var(--ia);background:var(--ia-doux)}
.noeud.humain{border-top-color:#e0a526;background:color-mix(in srgb,#e0a526 12%,var(--surface))}
.noeud.source{border-top-color:var(--doux)}
.schema-legende{margin:12px 0 0;font-size:.8rem;color:var(--doux);display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px}
.schema-legende i{display:inline-block;width:12px;height:4px;border-radius:2px;margin-right:-8px;vertical-align:middle}
.schema-legende i.systeme{background:var(--accent)} .schema-legende i.ia{background:var(--ia)} .schema-legende i.humain{background:#e0a526} .schema-legende i.source{background:var(--doux)}
@media (max-width:760px){
  .schema{flex-direction:column}
  .noeud{margin:0 0 22px 0}
  .noeud::after{content:"↓";right:auto;left:50%;top:auto;bottom:-20px;transform:translateX(-50%)}
}

/* Démo rejouée */
.choix{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 16px}
.choix button{font:inherit;font-size:.95rem;border:1px solid var(--ligne);background:var(--fond);color:var(--texte);border-radius:8px;padding:10px 14px;cursor:pointer;text-align:left}
.choix button:hover{border-color:var(--accent)}
.choix button.actif{border-color:var(--accent);background:var(--accent-doux)}
.choix button small{display:block;color:var(--doux);font-size:.82rem}
.scene{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px}
.journal{background:#0c1117;color:#d5dde6;border-radius:10px;padding:14px;font:13px/1.55 var(--mono);min-height:320px;max-height:460px;overflow:auto}
.journal .vide{color:#7d8996}
.ev{display:grid;grid-template-columns:62px 92px 1fr;gap:8px;padding:3px 0;animation:entre .35s ease}
.ev .h{color:#7d8996}
.ev .qui{font-weight:600}
.qui.usine{color:#f0a868} .qui.hub{color:#6cc3ff} .qui.ia{color:#b9adff} .qui.tests{color:#7ee0a0} .qui.humain{color:#ffd166} .qui.systeme{color:#9aa7b4} .qui.bloque{color:#ff7a6b} .qui.ci{color:#7fd1d8} .qui.labo{color:#f7c873}
.ev .detail{display:block;color:#9aa7b4;font-size:12px;white-space:pre-wrap}
@keyframes entre{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.cote{display:flex;flex-direction:column;gap:12px}
.chrono{background:var(--fond);border-radius:10px;padding:14px;text-align:center}
.chrono .val{font:700 2rem/1.1 var(--mono);color:var(--accent)}
.chrono .lib{color:var(--doux);font-size:.85rem}
.flux{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.flux li{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;background:var(--fond);color:var(--doux);font-size:.9rem;transition:background .3s,color .3s}
.flux li::before{content:"";width:10px;height:10px;border-radius:50%;border:2px solid var(--ligne);flex:none}
.flux li.encours{color:var(--texte);background:var(--ia-doux)} .flux li.encours::before{border-color:var(--ia);background:var(--ia)}
.flux li.fait{color:var(--texte)} .flux li.fait::before{border-color:var(--ok);background:var(--ok)}

/* Carte Teams simulée */
.teams{border:1px solid var(--ligne);border-left:4px solid var(--teams);border-radius:8px;background:var(--surface);padding:12px 14px;font-size:.9rem;animation:entre .4s ease}
.teams .tete{display:flex;align-items:center;gap:8px;font-weight:600;margin-bottom:8px}
.teams .tete i{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:6px;background:var(--teams);color:#fff;font-style:normal;font-size:.75rem}
.teams dl{margin:0 0 10px;display:grid;grid-template-columns:auto 1fr;gap:4px 10px}
.teams dt{color:var(--doux)} .teams dd{margin:0}
.teams pre{margin:0 0 10px;background:var(--fond);border-radius:6px;padding:8px;font:12px/1.45 var(--mono);overflow:auto;white-space:pre}
.teams .actions{display:flex;gap:8px}
.teams button{font:inherit;font-size:.9rem;border-radius:6px;padding:7px 14px;cursor:pointer;border:1px solid var(--ligne);background:var(--fond);color:var(--texte)}
.teams button.oui{background:var(--teams);border-color:var(--teams);color:#fff}
.teams button:disabled{opacity:.5;cursor:default}
.teams .attente{margin-top:8px;color:var(--doux);font-size:.82rem}

.gardefous{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:10px}
.gardefous li{background:var(--fond);border-radius:8px;padding:12px 14px;font-size:.93rem}
.gardefous b{display:block;margin-bottom:3px}
.resultats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(180px,100%),1fr));gap:12px}
.resultat{background:var(--fond);border-radius:8px;padding:14px}
.resultat .val{font-size:1.5rem;font-weight:700;color:var(--accent)}
.resultat .lib{color:var(--doux);font-size:.88rem}
.techno{display:flex;flex-wrap:wrap;gap:6px}
.techno span{font-size:.82rem;border:1px solid var(--ligne);border-radius:999px;padding:3px 10px;color:var(--doux)}

@media (max-width:760px){
  .comparaison,.scene{grid-template-columns:minmax(0,1fr)}
  .ev{grid-template-columns:54px 1fr}
  .ev .qui{grid-column:2}
  .ev .texte{grid-column:2}
  nav{gap:10px}
}

/* Blocs des pages de cas */
.bloc{border-radius:16px;box-shadow:var(--ombre);padding:24px}
.bloc h2{font-size:1.25rem;letter-spacing:-.01em}
.journal{font-family:var(--mono)}
.colonne .total{letter-spacing:-.02em}
@media (max-width:760px){
  .stats{grid-template-columns:1fr 1fr}
  nav{gap:12px}
  .marque{font-size:.95rem}
  .hero{padding:48px 16px 40px}
  .appel{padding:24px}
  nav a[href="/#les-cas"]{display:none}
}

.cote,.journal,.teams{min-width:0}

@media (max-width:380px){ nav a[href^="https://www.linkedin"]{display:none} .stat b{font-size:1.5rem} }