:root{
  --charbon:#1C1F23;
  --charbon-2:#23272B;
  --charbon-3:#2E3338;
  --orange:#E8722C;
  --orange-vif:#F2823D;
  --sable:#F9E3D3;
  --gris:#7A8087;
  --gris-clair:#B9BEC4;
  --fond:#FFFFFF;
  --fond-doux:#F6F5F3;
  --bordure:#E7E5E1;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .revele{opacity:1!important;transform:none!important}
}
body{font-family:'Inter',sans-serif;color:var(--charbon);background:var(--fond);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;line-height:1.12;letter-spacing:-.01em}
.mono{font-family:'IBM Plex Mono',monospace}
a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:2px}
.conteneur{max-width:1180px;margin:0 auto;padding:0 28px}
.revele{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.revele.visible{opacity:1;transform:none}

/* ===== Navigation ===== */
nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s;padding:0}
nav.solide{background:rgba(28,31,35,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav-int{max-width:1180px;margin:0 auto;padding:18px 28px;display:flex;align-items:center;gap:12px}
.nav-int img{width:32px;height:32px}
.nav-marque{color:#fff;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.1rem;text-decoration:none;letter-spacing:-.01em}
.logo-empile{position:relative;display:inline-block;height:34px}
.logo-empile img{position:absolute;top:0;left:0;transition:opacity .3s ease}
.logo-empile .logo-alt{opacity:0}
body.page-contact .logo-empile .logo-normal{opacity:0}
body.page-contact .logo-empile .logo-alt{opacity:1}
body.page-contact nav.solide .logo-empile .logo-normal,
body.page-contact nav.ouvert .logo-empile .logo-normal{opacity:1}
body.page-contact nav.solide .logo-empile .logo-alt,
body.page-contact nav.ouvert .logo-empile .logo-alt{opacity:0}
.nav-liens{margin-left:auto;display:flex;gap:32px;align-items:center}
.nav-liens a{color:rgba(255,255,255,.75);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}
.nav-liens a:hover,.nav-liens a.actif{color:#fff}
.nav-cta{background:var(--orange);color:#fff!important;padding:9px 20px;border-radius:8px;font-weight:600}
.nav-cta:hover{background:var(--orange-vif)}
@media(max-width:760px){.nav-liens a:not(.nav-cta){display:none}}

/* ===== Menu mobile ===== */
.menu-bascule{display:none;flex-direction:column;justify-content:center;align-items:flex-end;gap:5px;width:30px;height:30px;background:none;border:none;cursor:pointer;padding:0;margin-left:14px}
.menu-bascule span{display:block;width:100%;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s,width .25s}
nav.ouvert .menu-bascule span:nth-child(1){transform:translateY(7px) rotate(45deg);width:100%}
nav.ouvert .menu-bascule span:nth-child(2){opacity:0}
nav.ouvert .menu-bascule span:nth-child(3){transform:translateY(-7px) rotate(-45deg);width:100%}
.menu-mobile{display:none;flex-direction:column;gap:0;background:rgba(28,31,35,.98);backdrop-filter:blur(12px);padding:6px 28px 20px;border-top:1px solid rgba(255,255,255,.08)}
.menu-mobile a{color:rgba(255,255,255,.85);text-decoration:none;font-size:1rem;font-weight:500;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.menu-mobile a.actif{color:var(--orange)}
.menu-mobile a.nav-cta{color:#fff!important;text-align:center;border-radius:8px;margin-top:14px;padding:14px 0;border-bottom:none}
nav.ouvert{background:rgba(28,31,35,.98)!important;backdrop-filter:blur(12px)}
nav.ouvert .menu-mobile{display:flex}
@media(max-width:760px){.menu-bascule{display:flex}}

/* ===== Hero plein écran (accueil) ===== */
.hero{min-height:100vh;background:var(--charbon);color:#fff;position:relative;display:flex;align-items:center;overflow:hidden}
#radar-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.55}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 30% 45%,transparent 30%,rgba(28,31,35,.88) 100%)}
.hero-int{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:150px 28px 120px}
.hero .sur-titre{font-family:'IBM Plex Mono',monospace;color:var(--orange);font-size:.85rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:22px;display:flex;align-items:center;gap:12px}
.hero .sur-titre::before{content:"";width:34px;height:1.5px;background:var(--orange);display:inline-block}
.hero h1{font-size:clamp(2.6rem,6.2vw,4.4rem);font-weight:700;max-width:17ch}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p.sous{margin-top:26px;max-width:54ch;color:var(--gris-clair);font-size:1.15rem;font-weight:400}
.hero-ctas{margin-top:42px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:.98rem;padding:15px 30px;border-radius:10px;transition:transform .15s,box-shadow .2s,background .2s}
.btn.plein{background:var(--orange);color:#fff}
.btn.plein:hover{background:var(--orange-vif);transform:translateY(-2px);box-shadow:0 12px 30px rgba(232,114,44,.35)}
.btn.contour{border:1.5px solid rgba(255,255,255,.28);color:#fff}
.btn.contour:hover{border-color:var(--orange);color:var(--orange)}
.hero-bas{position:absolute;bottom:0;left:0;right:0;z-index:2;border-top:1px solid rgba(255,255,255,.09)}
.hero-bas .conteneur{display:flex;gap:0;flex-wrap:wrap}
.hero-stat{flex:1;min-width:180px;padding:22px 26px 26px 0;display:flex;flex-direction:column;gap:2px}
.hero-stat+.hero-stat{padding-left:26px;border-left:1px solid rgba(255,255,255,.09)}
.hero-stat .v{font-family:'IBM Plex Mono',monospace;font-size:1.7rem;color:#fff}
.hero-stat .l{font-size:.78rem;color:var(--gris)}
@media(max-width:700px){.hero-stat:nth-child(3){display:none}}
@media(max-width:640px){
  .hero{min-height:auto;display:block;overflow:visible;padding-top:1px}
  .hero-int{padding:110px 22px 40px}
  .hero-bas{position:static;margin-top:8px}
}

/* ===== En-tête de page secondaire (sous-pages) ===== */
.page-hero{background:var(--charbon);color:#fff;padding:150px 0 70px;position:relative}
.page-hero h1{font-size:clamp(2.2rem,4.5vw,3.3rem);font-weight:700;margin:16px 0 18px;max-width:22ch}
.page-hero .intro{max-width:60ch}
@media(max-width:640px){.page-hero{padding:120px 0 50px}}

/* ===== Bande standards ===== */
.bande{background:var(--fond-doux);border-bottom:1px solid var(--bordure)}
.bande .conteneur{display:flex;align-items:center;gap:34px;padding:20px 28px;flex-wrap:wrap;justify-content:center}
.bande span{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--gris);letter-spacing:.06em}
.bande b{color:var(--charbon);font-weight:500}

/* ===== Sections communes ===== */
section{padding:110px 0}
.etiquette{font-family:'IBM Plex Mono',monospace;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);font-weight:500;display:flex;align-items:center;gap:12px}
.etiquette::before{content:"";width:34px;height:1.5px;background:var(--orange)}
h2{font-size:clamp(1.9rem,4vw,2.9rem);margin:18px 0 20px;font-weight:700;max-width:24ch}
.intro{max-width:62ch;color:var(--gris);font-size:1.1rem}

/* ===== Teaser (accueil : blocs résumés + lien "en savoir plus") ===== */
.teaser{background:var(--fond)}
.grille-teaser{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:52px}
.carte-teaser{background:var(--fond-doux);border:1px solid var(--bordure);border-radius:16px;padding:32px 28px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.carte-teaser:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(28,31,35,.1);border-color:var(--orange)}
.carte-teaser h3{font-size:1.15rem;margin-bottom:10px}
.carte-teaser p{font-size:.92rem;color:var(--gris);flex:1}
.carte-teaser .lien{margin-top:18px;color:var(--orange);font-weight:600;font-size:.88rem;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.carte-teaser .lien:hover{color:var(--orange-vif)}

/* ===== Plateforme (capture produit) ===== */
.plateforme{background:#1C1F23;padding-top:0;margin-top:0}
.plateforme .tete{color:#fff;padding:110px 0 70px}
.plateforme .tete .intro{color:var(--gris-clair)}
.cadre-nav{max-width:1080px;margin:0 auto;padding:0 28px}
.cadre{background:#15181B;border:1px solid rgba(255,255,255,.1);border-radius:16px;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.45)}
.cadre .barre{display:flex;align-items:center;gap:8px;padding:13px 18px;background:#1C1F23;border-bottom:1px solid rgba(255,255,255,.07)}
.cadre .barre i{width:11px;height:11px;border-radius:50%;background:#3A4046;display:inline-block}
.cadre .barre i:first-child{background:#E8722C}
.cadre .barre span{margin-left:12px;font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:#6B7075}
.cadre img{width:100%;display:block}
.puces-produit{max-width:1080px;margin:34px auto 0;padding:0 28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.puce{background:var(--fond);border:1px solid var(--bordure);border-radius:12px;padding:20px 22px;font-size:.9rem;color:var(--gris)}
.puce b{display:block;color:var(--charbon);font-family:'Space Grotesk',sans-serif;font-size:1rem;margin-bottom:4px}


/* ===== Section 3D plein écran ===== */
.sous-sol{background:var(--charbon);padding:0;position:relative}
.scene-cadre{position:relative;width:100%;height:100vh;min-height:640px;overflow:hidden}
#scene3d{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:none}
#scene3d.saisi{cursor:grabbing}
.scene-texte{position:absolute;z-index:4;top:0;left:0;right:0;padding:96px 0 0;pointer-events:none;background:linear-gradient(180deg,rgba(28,31,35,.92) 0%,rgba(28,31,35,.55) 55%,transparent 100%)}
.scene-texte .conteneur{pointer-events:auto}
.scene-texte h2{color:#fff}
.scene-texte .intro{color:var(--gris-clair);padding-bottom:60px}
.scene-legende{position:absolute;left:28px;bottom:26px;display:flex;gap:14px;flex-wrap:wrap;z-index:4}
.scene-legende span{display:inline-flex;align-items:center;gap:8px;background:rgba(28,31,35,.82);border:1px solid rgba(255,255,255,.14);color:#C9CDD1;font-size:.78rem;padding:7px 14px;border-radius:999px;backdrop-filter:blur(6px)}
.scene-legende i{width:9px;height:9px;border-radius:50%;display:inline-block}
.scene-astuce{position:absolute;right:28px;bottom:32px;z-index:4;color:rgba(255,255,255,.55);font-family:'IBM Plex Mono',monospace;font-size:.74rem}
.scene-regle{position:absolute;left:28px;top:50%;transform:translateY(-32%);z-index:4;display:flex;flex-direction:column;gap:44px;color:rgba(255,255,255,.45);font-family:'IBM Plex Mono',monospace;font-size:.7rem}
.scene-regle span{display:flex;align-items:center;gap:10px}
.scene-regle span::after{content:"";width:22px;height:1px;background:rgba(255,255,255,.25);display:inline-block}
@media(max-width:640px){
  .scene-cadre{height:auto;min-height:0}
  .scene-regle,.scene-astuce,.scene-legende{display:none}
  .scene-texte{position:static;padding:84px 0 0;background:var(--charbon)}
  .scene-texte .intro{padding-bottom:32px}
  #scene3d{position:relative;height:280px}
}
/* ===== Solutions ===== */
.solutions{background:var(--fond)}
.grille-sol{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:52px}
.carte-sol{background:var(--fond-doux);border:1px solid var(--bordure);border-radius:16px;padding:34px 30px;transition:transform .2s,box-shadow .2s,border-color .2s;position:relative;overflow:hidden}
.carte-sol:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(28,31,35,.1);border-color:var(--orange)}
.carte-sol .ico{width:46px;height:46px;border-radius:10px;background:var(--sable);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.carte-sol .ico svg{width:24px;height:24px;stroke:var(--orange);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.carte-sol h3{font-size:1.2rem;margin-bottom:10px}
.carte-sol p{font-size:.94rem;color:var(--gris)}

/* ===== Preuves ===== */
.preuves{background:var(--charbon);color:#fff;position:relative;overflow:hidden}
.preuves .intro{color:var(--gris-clair)}
.grille-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:16px;overflow:hidden;margin-top:52px}
.stat{background:var(--charbon-2);padding:38px 32px}
.stat .valeur{font-family:'IBM Plex Mono',monospace;font-size:2.9rem;color:var(--orange);font-weight:500}
.stat h4{font-size:1rem;margin:10px 0 6px;color:#fff}
.stat p{font-size:.88rem;color:var(--gris-clair)}
.note-validation{margin-top:28px;font-size:.86rem;color:var(--gris);font-style:italic;max-width:74ch}

/* ===== Processus ===== */
.processus{background:var(--fond-doux)}
.frise{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin-top:56px}
.pas{background:var(--fond);border:1px solid var(--bordure);border-radius:16px;padding:30px 26px;position:relative}
.pas .num{font-family:'IBM Plex Mono',monospace;color:var(--orange);font-size:.85rem;letter-spacing:.1em;margin-bottom:14px;display:block}
.pas h3{font-size:1.1rem;margin-bottom:8px}
.pas p{font-size:.9rem;color:var(--gris)}
.pas::after{content:"";position:absolute;top:38px;right:-22px;width:22px;height:1.5px;background:var(--bordure)}
.pas:last-child::after{display:none}
@media(max-width:1080px){.pas::after{display:none}}

/* ===== Engagement ===== */
.engagement{background:var(--fond)}
.deux-col{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
@media(max-width:860px){.deux-col{grid-template-columns:1fr}}
.liste-engagement{margin-top:34px;display:grid;gap:0}
.item-eng{display:grid;grid-template-columns:30px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--bordure)}
.item-eng svg{width:22px;height:22px;stroke:var(--orange);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;margin-top:3px}
.item-eng h4{font-size:1rem;margin-bottom:4px}
.item-eng p{font-size:.9rem;color:var(--gris)}
.panneau-sable{background:var(--sable);border-radius:20px;padding:44px 40px}
.panneau-sable .grand{font-family:'Space Grotesk',sans-serif;font-size:1.5rem;font-weight:600;color:#5A4636;line-height:1.35}
.panneau-sable .grand em{font-style:normal;color:var(--orange)}
.panneau-sable p{margin-top:16px;color:#7A6350;font-size:.95rem}

/* ===== Fondateur ===== */
.fondateur{background:var(--charbon);color:#fff}
.fond-grille{display:grid;grid-template-columns:300px 1fr;gap:60px;margin-top:52px;align-items:center}
@media(max-width:780px){.fond-grille{grid-template-columns:1fr;justify-items:start}}
.fond-grille img{width:100%;max-width:300px;border-radius:20px;display:block;border:1px solid rgba(255,255,255,.12)}
.fond-texte h3{font-size:1.5rem}
.fond-texte .role{font-family:'IBM Plex Mono',monospace;color:var(--orange);font-size:.85rem;margin:8px 0 20px}
.fond-texte p{color:var(--gris-clair);font-size:1rem;margin-bottom:14px;max-width:58ch}

/* ===== CTA final / page contact ===== */
.cta-final{background:linear-gradient(135deg,var(--orange) 0%,#D45F1C 100%);color:#fff;text-align:center;padding:96px 0}
.cta-final h2{max-width:26ch;margin:14px auto 18px;color:#fff}
.cta-final .intro{color:rgba(255,255,255,.9);margin:0 auto 38px}
.cta-final .etiquette{color:#fff;justify-content:center}
.cta-final .etiquette::before{background:#fff}
.btn.blanc{background:#fff;color:var(--charbon)}
.btn.blanc:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.25)}
.contact-details{display:flex;justify-content:center;gap:36px;flex-wrap:wrap;margin-top:34px;font-size:.92rem}
.contact-details a{color:#fff;font-weight:600;text-decoration:none;border-bottom:1.5px solid rgba(255,255,255,.4)}
.contact-details a:hover{border-color:#fff}

/* ===== Footer ===== */
footer{background:var(--charbon);color:var(--gris);padding:60px 0 34px}
.foot-grille{display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09)}
@media(max-width:700px){.foot-grille{grid-template-columns:1fr}}
.foot-marque{display:flex;align-items:center;gap:12px;color:#fff;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.15rem}
.foot-marque img{width:30px;height:30px}
.foot-grille p{font-size:.88rem;margin-top:14px;max-width:34ch}
.foot-col h4{color:#fff;font-size:.92rem;margin-bottom:16px}
.foot-col a{display:block;color:var(--gris);text-decoration:none;font-size:.88rem;margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:var(--orange)}
.foot-bas{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:26px;font-size:.78rem}

/* ===== Thème sombre global ===== */
body{background:#1C1F23;color:#E8EAEC}
h2{color:#fff}
.intro{color:#B9BEC4}
.bande{background:#23272B;border-bottom:1px solid rgba(255,255,255,.08)}
.bande span{color:#8B9096}
.bande b{color:#E8EAEC}
.plateforme{background:#1C1F23;padding-top:0}
.plateforme .tete{padding:110px 0 70px}
.puce{background:#23272B;border:1px solid rgba(255,255,255,.1);color:#B9BEC4}
.puce b{color:#fff}
.solutions{background:#1C1F23}
.carte-sol{background:#23272B;border-color:rgba(255,255,255,.09)}
.carte-sol:hover{box-shadow:0 18px 44px rgba(0,0,0,.4);border-color:var(--orange)}
.carte-sol h3{color:#fff}
.carte-sol p{color:#B9BEC4}
.carte-sol .ico{background:rgba(232,114,44,.16)}
.preuves{background:#212529}
.processus{background:#1C1F23}
.pas{background:#23272B;border-color:rgba(255,255,255,.09)}
.pas h3{color:#fff}
.pas p{color:#B9BEC4}
.pas::after{background:rgba(255,255,255,.16)}
.engagement{background:#212529}
.item-eng{border-top:1px solid rgba(255,255,255,.09)}
.item-eng h4{color:#fff}
.item-eng p{color:#B9BEC4}
.fondateur{background:#1C1F23}
.sous-sol{background:#1C1F23}
.teaser{background:#1C1F23}
.carte-teaser{background:#23272B;border-color:rgba(255,255,255,.09)}
.carte-teaser:hover{box-shadow:0 18px 44px rgba(0,0,0,.4);border-color:var(--orange)}
.carte-teaser h3{color:#fff}
.carte-teaser p{color:#B9BEC4}

/* ===== Cibles (a qui s'adresse) ===== */
.cibles{margin-top:56px;padding-top:44px;border-top:1px solid rgba(255,255,255,.09);display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.cibles-label{font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);white-space:nowrap}
.cibles-liste{display:flex;gap:12px;flex-wrap:wrap}
.cible-pill{background:#23272B;border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:8px 16px;font-size:.85rem;color:#E8EAEC}
@media(max-width:700px){.cibles{flex-direction:column;align-items:flex-start;gap:16px}}

/* ===== Démo animée ===== */
.cadre{position:relative}
.surbrillance{position:absolute;border:2.5px solid var(--orange);border-radius:10px;box-shadow:0 0 0 4000px rgba(21,24,27,.42),0 0 24px rgba(232,114,44,.5);transition:all .9s cubic-bezier(.6,.05,.25,1);pointer-events:none;z-index:2}
.demo-etapes{max-width:1080px;margin:26px auto 0;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:760px){.demo-etapes{grid-template-columns:repeat(2,1fr)}}
.demo-etape{background:#23272B;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px 18px;transition:border-color .4s,background .4s}
.demo-etape.active{border-color:var(--orange);background:#2A2420}
.demo-etape .n{font-family:'IBM Plex Mono',monospace;font-size:.7rem;color:var(--orange);letter-spacing:.1em}
.demo-etape b{display:block;color:#fff;font-family:'Space Grotesk',sans-serif;font-size:.95rem;margin:4px 0 3px}
.demo-etape p{font-size:.8rem;color:#8B9096;line-height:1.45}