:root{
  /* palette dérivée du logo */
  --aqua:#72FFFF;
  --cyan:#00D7FF;
  --blue:#0096FF;
  --violet:#5800FF;
  --lift:#7C4DFF;
  --plasma:#C3B0FF;
  --plum:#590696;
  /* fonds */
  --void:#050408;
  --ink:#090711;
  --panel:#0E0B1A;
  --line:rgba(255,255,255,.075);
  --line-mid:rgba(255,255,255,.14);
  /* textes */
  --bone:#F2F0EC;
  --dim:#C2BECE;
  --mute:#8A8698;
  --faint:#5C5870;
  --maxw:1300px;
  --gut:46px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--void);color:var(--bone);
  font-family:"Inter Tight",system-ui,sans-serif;font-weight:300;
  font-size:17.5px;line-height:1.75;letter-spacing:.004em;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.13;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
:focus-visible{outline:1px solid var(--lift);outline-offset:5px}
::selection{background:rgba(88,0,255,.45);color:#fff}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gut);position:relative;z-index:2}
.serif{font-family:"Instrument Serif",Georgia,serif;font-weight:400;letter-spacing:-.015em}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:10.5px;letter-spacing:.24em;text-transform:uppercase}

.prog{position:fixed;top:0;left:0;height:1px;background:linear-gradient(90deg,var(--cyan),var(--violet));z-index:90;width:0}

/* ---------- header ---------- */
.hdr{position:fixed;top:0;left:0;right:0;z-index:80;transition:background .6s}
.hdr::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);opacity:0;transition:opacity .6s}
.hdr.stuck{background:rgba(5,4,8,.82);backdrop-filter:blur(18px) saturate(1.3)}
.hdr.stuck::after{opacity:1}
.hdr-in{max-width:var(--maxw);margin:0 auto;padding:22px var(--gut);display:flex;align-items:center;gap:40px}
.logo{height:26px;width:auto}
.nav{display:flex;gap:34px;margin-left:auto;font-size:14px;color:var(--mute)}
.nav a{padding:4px 0;position:relative;transition:color .35s}
.nav a::after{content:"";position:absolute;left:0;bottom:1px;height:1px;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .45s cubic-bezier(.4,0,.2,1)}
.nav a:hover{color:var(--bone)}
.nav a:hover::after,.nav a.on::after{width:100%}
.nav a.on{color:var(--bone)}
.nav .ext::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--cyan);margin-right:8px;vertical-align:middle;opacity:.8}
.hdr-right{display:flex;align-items:center;gap:18px}
.lang{display:flex;position:relative;width:108px;flex-shrink:0;overflow:hidden;border:1px solid var(--line-mid);border-radius:999px;padding:2px;background:rgba(255,255,255,.025)}
.lang button{flex:1 1 50%;min-width:0;font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.16em;background:none;border:0;color:var(--mute);padding:7px 0;text-align:center;border-radius:999px;cursor:pointer;position:relative;z-index:2;transition:color .35s}
.lang button.on{color:#fff}
.lang-pill{position:absolute;top:2px;left:2px;width:calc(50% - 2px);height:calc(100% - 4px);background:var(--violet);border-radius:999px;transition:transform .45s cubic-bezier(.65,0,.2,1);z-index:1}
.lang-pill.right{transform:translateX(100%)}

.btn{display:inline-flex;align-items:center;gap:11px;font-family:inherit;font-size:14px;font-weight:400;padding:13px 26px;border:1px solid var(--line-mid);background:none;color:var(--bone);cursor:pointer;transition:border-color .4s,background .4s,box-shadow .4s}
.btn:hover{border-color:rgba(124,77,255,.55);background:rgba(88,0,255,.10)}
.btn-solid{background:var(--violet);border-color:var(--violet);color:#fff}
.btn-solid:hover{background:#6A1AFF;border-color:#6A1AFF;box-shadow:0 8px 40px rgba(88,0,255,.30)}
.arw{display:inline-block;transition:transform .4s cubic-bezier(.4,0,.2,1)}
.btn:hover .arw,.txtlink:hover .arw{transform:translateX(5px)}
.txtlink{display:inline-flex;align-items:center;gap:10px;font-size:14.5px;color:var(--plasma);border-bottom:1px solid rgba(195,176,255,.24);padding-bottom:4px;transition:border-color .4s,color .4s}
.txtlink:hover{border-color:var(--plasma);color:#fff}

/* ---------- hero ---------- */
.hero{padding:180px 0 100px;position:relative;border-bottom:1px solid var(--line);overflow:hidden}
.hero-top{display:grid;grid-template-columns:1.22fr .78fr;gap:70px;align-items:center}
.hero-txt{max-width:none}
.hero .eyebrow{color:var(--faint);display:block;margin-bottom:38px}
.hero .eyebrow b{color:var(--cyan);font-weight:400}
h1.hero-t{font-size:clamp(32px,3.6vw,50px);line-height:1.1;margin:0 0 26px;max-width:none}
h1.hero-t em{font-style:italic;color:var(--plasma)}
.hero-p{font-size:18px;color:var(--dim);max-width:none;margin:0 0 38px;line-height:1.62}
.hero-p2{font-size:16.5px;color:var(--mute);max-width:54ch;margin:0 0 46px}
.hero-cta{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.facts{display:flex;flex-wrap:wrap;gap:0 62px;border-top:1px solid var(--line-mid);padding-top:32px;margin-top:70px}
.fact b{display:block;font-family:"Instrument Serif",serif;font-size:40px;font-weight:400;line-height:1;margin-bottom:10px}
.fact span{color:var(--faint);font-family:"JetBrains Mono",monospace;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;display:block;max-width:20ch;line-height:1.7}

/* page hero (pages intérieures) */
.phero{padding:180px 0 96px}
.phero .mono{color:var(--cyan);display:block;margin-bottom:34px}
.phero h1{font-family:"Instrument Serif",serif;font-weight:400;font-size:clamp(34px,4.2vw,56px);line-height:1.1;letter-spacing:-.018em;margin:0 0 28px;max-width:30ch}
.phero h1 em{font-style:italic;color:var(--plasma)}
.phero p{font-size:21px;color:var(--dim);max-width:62ch;margin:0;line-height:1.6}

/* ---------- clients ---------- */
.clients{border-bottom:1px solid var(--line);padding:30px 0;overflow:hidden;background:var(--void);position:relative;z-index:2}
.clients-in{display:flex;align-items:center;gap:56px}
.clients-lbl{color:var(--faint);white-space:nowrap;flex-shrink:0;padding-left:var(--gut)}
.track-mask{overflow:hidden;flex:1;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 92%,transparent)}
.track{display:flex;gap:58px;width:max-content;animation:slide 58s linear infinite}
.track span{font-family:"Instrument Serif",serif;font-size:23px;color:#5F5B74;white-space:nowrap;transition:color .5s}
.clients:hover .track span{color:#8B86A2}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- chapitres ---------- */
.chap{padding:148px 0;position:relative;z-index:2}
.chap-dark{background:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.chead{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line-mid);padding-top:16px;margin-bottom:60px}
.chead .lbl{color:var(--mute)}
.chead .num{color:var(--faint)}
h2.chap-t{font-family:"Instrument Serif",serif;font-weight:400;font-size:clamp(28px,3.5vw,45px);line-height:1.14;letter-spacing:-.016em;margin:0 0 32px;max-width:46ch}
h2.chap-t em{font-style:italic;color:var(--plasma)}
.lead{font-size:20.5px;color:var(--dim);line-height:1.6;max-width:60ch;margin:0 0 30px;font-weight:300}
.prose{max-width:70ch}
.prose p{color:var(--mute);margin:0 0 24px;font-size:17px}
.prose p strong{color:var(--bone);font-weight:400}
.prose p:last-child{margin-bottom:0}
.dropcap::first-letter{font-family:"Instrument Serif",serif;font-size:70px;line-height:.82;float:left;padding:8px 16px 0 0;color:var(--plasma)}

/* panneaux */
.panel{background:linear-gradient(180deg,var(--panel),var(--ink));border:1px solid var(--line);position:relative;transition:box-shadow .6s,border-color .6s}
.panel::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,215,255,.35),rgba(88,0,255,.45),transparent)}
.panel:hover{border-color:rgba(124,77,255,.28);box-shadow:inset 0 0 100px rgba(88,0,255,.07)}

/* figure */
.figure{margin:74px 0 0;border:1px solid var(--line);background:linear-gradient(180deg,var(--panel),var(--ink));padding:42px 42px 28px;position:relative}
.figure::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,215,255,.3),rgba(88,0,255,.4),transparent)}
.figcap{color:var(--faint);margin-top:26px;border-top:1px solid var(--line);padding-top:16px;font-size:12.5px;font-family:"JetBrains Mono",monospace;letter-spacing:.05em}
.schem{width:100%;height:auto;display:block;overflow:visible}
.schem .lbl{font-family:"JetBrains Mono",monospace;font-size:7px;letter-spacing:.18em;fill:var(--faint);text-transform:uppercase}
.schem .lbl-on{fill:var(--cyan)}
.schem .box{fill:none;stroke:var(--line-mid);stroke-width:.7}
.schem .core{fill:rgba(88,0,255,.05);stroke:rgba(124,77,255,.4);stroke-width:.7}
.schem .wire{fill:none;stroke:rgba(124,77,255,.3);stroke-width:.7}
.schem .node{fill:var(--ink);stroke:var(--cyan);stroke-width:.7}
.schem .sig{fill:var(--aqua)}

/* observations */
.obs{margin-top:58px;border-top:1px solid var(--line-mid)}
.obs-row{display:grid;grid-template-columns:60px 1fr;gap:30px;padding:34px 0;border-bottom:1px solid var(--line);transition:background .5s}
.obs-row:hover{background:rgba(124,77,255,.03)}
.obs-n{font-family:"Instrument Serif",serif;font-size:22px;color:var(--faint);line-height:1.2}
.obs h4{font-size:21px;font-weight:400;margin:0 0 12px;color:var(--bone);font-family:"Instrument Serif",serif}
.obs p{margin:0;color:var(--mute);max-width:66ch;font-size:16px}

/* offres */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.offer{padding:46px 40px 44px;display:flex;flex-direction:column}
.offer-tag{color:var(--cyan);display:block;margin-bottom:30px}
.offer h3{font-family:"Instrument Serif",serif;font-weight:400;font-size:31px;line-height:1.12;margin:0 0 12px}
.offer .kicker{color:var(--plasma);font-size:14px;margin:0 0 26px;font-weight:300}
.offer p{color:var(--mute);margin:0 0 20px;font-size:15.5px;line-height:1.62}
.offer p strong{color:var(--bone);font-weight:400}
.offer ul{list-style:none;padding:0;margin:26px 0 0;border-top:1px solid var(--line)}
.offer li{font-size:14.5px;color:var(--dim);padding:12px 0 12px 22px;border-bottom:1px solid var(--line);position:relative;line-height:1.5}
.offer li:last-child{border-bottom:0}
.offer li::before{content:"";position:absolute;left:0;top:21px;width:9px;height:1px;background:var(--cyan);opacity:.7}
.offer .when{margin:26px 0 0;font-size:14px;color:var(--faint);border-left:1px solid rgba(124,77,255,.35);padding-left:18px;line-height:1.6}

/* principes */
.prin{display:grid;grid-template-columns:1fr 1fr;gap:0 70px}
.prin article{padding:36px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:54px 1fr;gap:24px}
.prin .rn{font-family:"Instrument Serif",serif;font-size:25px;color:var(--lift);line-height:1.2}
.prin h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:24px;margin:0 0 13px;line-height:1.2}
.prin p{margin:0;color:var(--mute);font-size:15.5px;line-height:1.62}

/* étapes */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:var(--void);padding:40px 32px 36px;transition:background .5s}
.step:hover{background:var(--ink)}
.step .step-n{color:var(--cyan);display:block;margin-bottom:26px}
.step h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:24px;margin:0 0 14px}
.step p{font-size:14.5px;color:var(--mute);margin:0 0 22px;line-height:1.6}
.step .out{font-size:14px;color:var(--dim);border-top:1px solid var(--line);padding-top:14px;line-height:1.5}
.step .out b{display:block;color:var(--faint);font-family:"JetBrains Mono",monospace;font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:8px;font-weight:400}

/* grille capacités */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cap{background:var(--ink);padding:40px 34px;transition:background .5s}
.cap:hover{background:var(--panel)}
.cap svg{width:24px;height:24px;color:var(--cyan);margin-bottom:24px;display:block}
.cap h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:22px;margin:0 0 12px}
.cap p{font-size:14.5px;color:var(--mute);margin:0;line-height:1.6}

/* produits */
.prods{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod{padding:40px 34px 38px}
.prod .mono{color:var(--faint);display:block;margin-bottom:28px}
.prod h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:29px;margin:0 0 14px}
.prod p{font-size:15px;color:var(--mute);margin:0 0 26px;line-height:1.62}

/* stats + secteurs */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:44px;padding:54px 0;border-top:1px solid var(--line-mid);border-bottom:1px solid var(--line)}
.stat b{font-family:"Instrument Serif",serif;font-size:50px;font-weight:400;line-height:1;display:block;margin-bottom:14px}
.stat span{color:var(--mute);font-size:14px;line-height:1.5;display:block;max-width:22ch}
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:56px;margin-top:62px}
.sectors.six{gap:48px 56px}
.sector .txtlink{margin-top:16px}
.sector{border-top:1px solid var(--line);padding-top:30px}
.sector h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:24px;margin:0 0 14px}
.sector p{font-size:15px;color:var(--mute);margin:0;line-height:1.62}

/* limites */
.nots{display:grid;grid-template-columns:1fr 1fr;gap:0 70px}
.not{display:flex;gap:20px;padding:30px 0;border-top:1px solid var(--line)}
.not-x{color:var(--faint);font-family:"Instrument Serif",serif;font-size:20px;line-height:1.5;flex-shrink:0}
.not p{margin:0;color:var(--mute);font-size:15.5px;line-height:1.62}
.not p b{color:var(--bone);font-weight:400;display:block;margin-bottom:7px;font-size:16.5px}

/* stack technique */
.stack{display:grid;grid-template-columns:220px 1fr;gap:40px;padding:34px 0;border-top:1px solid var(--line);align-items:start}
.stack h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:22px;margin:0}
.stack .tags{display:flex;flex-wrap:wrap;gap:8px}
.stack .tags span{font-family:"JetBrains Mono",monospace;font-size:11.5px;letter-spacing:.06em;color:var(--dim);border:1px solid var(--line);padding:7px 13px;transition:border-color .4s,color .4s,background .4s}
.stack .tags span:hover{border-color:rgba(0,215,255,.35);color:var(--bone);background:rgba(0,215,255,.04)}

/* timeline about */
.tl{border-top:1px solid var(--line-mid);margin-top:8px}
.tl-row{display:grid;grid-template-columns:150px 1fr;gap:40px;padding:34px 0;border-bottom:1px solid var(--line)}
.tl-y{font-family:"Instrument Serif",serif;font-size:30px;color:var(--lift);line-height:1}
.tl h4{font-size:19px;font-weight:400;margin:0 0 10px;font-family:"Instrument Serif",serif;font-size:22px}
.tl p{margin:0;color:var(--mute);font-size:15.5px;max-width:62ch;line-height:1.62}

/* métiers */
.roles{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.role{padding:38px 34px}
.role h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:25px;margin:0 0 12px}
.role p{font-size:15px;color:var(--mute);margin:0;line-height:1.62}

/* podcast */
.pod{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;padding:52px 44px}
.pod h3{font-family:"Instrument Serif",serif;font-weight:400;font-size:34px;margin:0 0 16px;line-height:1.12}
.pod p{color:var(--mute);font-size:16px;margin:0 0 28px;line-height:1.62;max-width:52ch}
.pod-visual{display:flex;align-items:center;justify-content:center;gap:5px;height:120px}
.pod-visual i{display:block;width:3px;background:linear-gradient(180deg,var(--cyan),var(--violet));opacity:.55;animation:eq 1.9s ease-in-out infinite}
@keyframes eq{0%,100%{height:14%}50%{height:100%}}

/* contact */
.contact{padding:150px 0;background:var(--ink);position:relative;overflow:hidden;z-index:2;border-top:1px solid var(--line)}
.contact h2{font-family:"Instrument Serif",serif;font-weight:400;font-size:clamp(35px,5.2vw,62px);line-height:1.07;margin:0 0 30px;max-width:16ch;letter-spacing:-.018em}
.contact h2 em{font-style:italic;color:var(--plasma)}
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:end;position:relative;z-index:3}
.sign{border-top:1px solid var(--line-mid);padding-top:28px}
.sign p{color:var(--mute);font-size:15.5px;margin:0 0 24px;max-width:38ch;line-height:1.62}
.signer{display:flex;align-items:center;gap:18px}
.sign-photo{width:64px;height:64px;border-radius:50%;flex-shrink:0;filter:grayscale(.15);border:1px solid rgba(124,77,255,.35)}
.sign .name{font-family:"Instrument Serif",serif;font-size:26px;color:var(--bone)}
.sign .role-l{color:var(--faint);font-size:13px}

footer{padding:80px 0 44px;border-top:1px solid var(--line);background:var(--void);position:relative;z-index:2}
.foot-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px;margin-bottom:58px}
.foot-col h5{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--faint);margin:0 0 20px;font-weight:400}
.foot-col a,.foot-col p{display:block;font-size:14.5px;color:var(--mute);margin:0 0 11px;transition:color .35s}
.foot-col a:hover{color:var(--plasma)}
.foot-logo{height:24px;width:auto;margin-bottom:22px;opacity:.9}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{transition:color .3s}
.foot-links a:hover{color:var(--plasma)}
.foot-col p.addr{color:var(--mute);line-height:1.6}
.tl-lbl{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);padding-top:6px}
.tl-row p{margin:0;color:var(--dim);font-size:16px;line-height:1.6;max-width:62ch}
.tl-row p strong{color:var(--bone);font-weight:400}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;border-top:1px solid var(--line);padding-top:28px;font-size:12.5px;color:var(--faint)}

.rv{opacity:0;transform:translateY(16px);transition:opacity 1s cubic-bezier(.2,.6,.2,1),transform 1s cubic-bezier(.2,.6,.2,1)}
.rv.in{opacity:1;transform:none}

@media(max-width:1100px){
  .hero-top{grid-template-columns:1fr;gap:56px}
  .hero-txt{max-width:none}
  h1.hero-t{font-size:clamp(32px,4.6vw,44px);max-width:24ch}
  .offers,.prods,.roles{grid-template-columns:1fr;gap:20px}
  .steps,.caps{grid-template-columns:1fr 1fr}
  .prin,.nots{grid-template-columns:1fr;gap:0}
  .sectors{grid-template-columns:1fr;gap:32px}
  .pod{grid-template-columns:1fr;gap:36px}
  .stack{grid-template-columns:1fr;gap:20px}
}
@media(max-width:880px){
  :root{--gut:24px}
  body{font-size:16.5px}
  .nav{display:none}
  .hero{padding:140px 0 80px}
  .facts{gap:0 40px;margin-top:48px}
  .hero-sys{margin-top:52px}
  .phero{padding:140px 0 70px}
  .chap{padding:92px 0}
  .chead{margin-bottom:42px}
  .stats{grid-template-columns:1fr 1fr;gap:34px}
  .tl-row{grid-template-columns:1fr;gap:12px}
  .contact{padding:108px 0}
  .contact-grid{grid-template-columns:1fr;gap:52px;align-items:start}
  .foot-top{grid-template-columns:1fr 1fr;gap:36px}
  .clients-lbl{display:none}
  .figure{padding:26px 20px 20px}
  .pod{padding:36px 26px}
}
@media(max-width:560px){
  .steps,.caps{grid-template-columns:1fr}
  .hdr-right .btn{display:none}
  .stats{grid-template-columns:1fr}
  .offer,.prod{padding:36px 26px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .rv{opacity:1;transform:none}
}

/* ---------- schéma hero · arborescence ---------- */
.hero-sys{width:100%;max-width:400px;margin-left:auto}
#sysvg{width:100%;height:auto;display:block;overflow:visible}
#sysvg #wires path{fill:none;stroke:rgba(124,77,255,.28);stroke-width:1}
#sysvg .nd rect{fill:rgba(255,255,255,.012);stroke:var(--line-mid);stroke-width:1;transition:stroke .45s,fill .45s}
#sysvg .nd .n{font-family:"Instrument Serif",serif;font-size:21px;fill:var(--dim);transition:fill .45s}
#sysvg .nd .a{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.08em;fill:var(--cyan);opacity:0;transition:opacity .45s}
#sysvg .nd .ab{fill:var(--void);opacity:0;transition:opacity .45s}
#sysvg .nd.on .ab{opacity:.94}
#sysvg .nd.lvl0 rect{fill:rgba(255,255,255,.02);stroke:var(--line-mid)}
#sysvg .nd.lvl0 .n,#sysvg .nd.lvl1 .n{font-size:19px;fill:var(--mute)}
#sysvg .nd.lvl1 rect{fill:none;stroke:var(--line)}
#sysvg .nd.on rect{stroke:rgba(0,215,255,.8);fill:rgba(0,215,255,.06)}
#sysvg .nd.on .n{fill:var(--bone)}
#sysvg .nd.on .a{opacity:1}
#sysvg #dot{fill:var(--plasma);filter:drop-shadow(0 0 8px rgba(124,77,255,.9));transition:fill .3s}
#sysvg #dot.in{fill:var(--cyan);filter:drop-shadow(0 0 9px rgba(0,215,255,.9))}
#sysvg #dot.act{fill:#fff;filter:drop-shadow(0 0 10px rgba(88,0,255,1))}
.sys-case{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-top:24px;border-top:1px solid var(--line-mid);padding-top:14px}
#sys-case{color:var(--mute);text-transform:none;letter-spacing:.06em;font-size:11px;line-height:1.5}
.sys-dots{display:flex;gap:5px;flex-shrink:0;padding-top:5px}
.sys-dots i{display:block;width:14px;height:2px;background:var(--line-mid);transition:background .5s}
.sys-dots i.done{background:rgba(0,215,255,.45)}
.sys-dots i.now{background:var(--cyan)}
.sys-status{display:flex;flex-direction:column;gap:6px;margin-top:12px;padding-top:0}
#sysvg.resting .nd rect{stroke:var(--line)}
#sysvg.resting #dot{opacity:0;transition:opacity .6s}
#sys-step{color:var(--cyan)}
#sys-note{color:var(--faint);text-transform:none;letter-spacing:.04em;font-size:11.5px}

/* ---------- trajectoire (page à propos) ---------- */
.traj{margin-top:56px;border-top:1px solid var(--line-mid);padding-top:34px}
#trajsvg{width:100%;height:auto;display:block;overflow:visible}
#trajsvg .rail{fill:none;stroke:var(--line);stroke-width:1}
#trajsvg .prog{fill:none;stroke:url(#tg);stroke-width:2;stroke-dasharray:1000;stroke-dashoffset:1000;transition:stroke-dashoffset 3s cubic-bezier(.2,.7,.2,1)}
#trajsvg .in.prog{stroke-dashoffset:0}
#trajsvg circle{fill:var(--void);stroke:var(--lift);stroke-width:1.2}
#trajsvg .y{font-family:"Instrument Serif",serif;font-size:22px;fill:var(--bone)}
#trajsvg .t{font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.16em;text-transform:uppercase;fill:var(--faint)}

/* ---------- simulateurs ---------- */
.sim{margin-top:70px;border:1px solid var(--line);background:linear-gradient(180deg,var(--panel),var(--ink));position:relative}
.sim::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,215,255,.35),rgba(88,0,255,.45),transparent)}
.sim-head{padding:38px 42px 0}
.sim-head .mono{color:var(--cyan);display:block;margin-bottom:18px}
.sim-head h3{font-family:"Instrument Serif",serif;font-weight:400;font-size:32px;margin:0 0 14px;line-height:1.14}
.sim-head h3 em{font-style:italic;color:var(--plasma)}
.sim-head p{color:var(--mute);font-size:16px;margin:0;max-width:62ch;line-height:1.62}
.sim-body{padding:34px 42px 42px}
.sim-legal{color:var(--faint);font-size:12px;margin:16px 0 0;line-height:1.6}

.field{margin-bottom:22px}
.field label{display:block;font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:12px}
.field textarea,.field input,.field select{
  width:100%;background:rgba(255,255,255,.02);border:1px solid var(--line-mid);color:var(--bone);
  font-family:inherit;font-size:16px;font-weight:300;padding:15px 17px;line-height:1.6;transition:border-color .4s,background .4s;
}
.field textarea{min-height:120px;resize:vertical}
.field textarea:focus,.field input:focus,.field select:focus{outline:none;border-color:rgba(0,215,255,.5);background:rgba(0,215,255,.03)}
.field select{appearance:none;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--mute) 50%),linear-gradient(135deg,var(--mute) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px;background-repeat:no-repeat}
.field select option{background:var(--panel);color:var(--bone)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.count{float:right;font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--faint);letter-spacing:.1em}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{font-family:"JetBrains Mono",monospace;font-size:11.5px;letter-spacing:.05em;color:var(--mute);border:1px solid var(--line-mid);padding:9px 15px;cursor:pointer;background:none;transition:all .35s}
.chip:hover{color:var(--bone);border-color:rgba(0,215,255,.4)}
.chip.on{color:#fff;border-color:var(--violet);background:rgba(88,0,255,.22)}

.sim-load{display:flex;align-items:center;gap:16px;color:var(--mute);font-size:15px;padding:22px 0}
.spin{width:16px;height:16px;border:1px solid var(--line-mid);border-top-color:var(--cyan);border-radius:50%;animation:sp .9s linear infinite;flex-shrink:0}
@keyframes sp{to{transform:rotate(360deg)}}

.res{display:none}
.res.on{display:block;animation:fadein .8s cubic-bezier(.2,.6,.2,1)}
@keyframes fadein{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.res-top{display:grid;grid-template-columns:200px 1fr;gap:44px;padding-bottom:34px;border-bottom:1px solid var(--line);margin-bottom:34px;align-items:center}
.gauge{position:relative;width:170px;height:170px}
.gauge svg{transform:rotate(-90deg)}
.gauge .track{fill:none;stroke:var(--line);stroke-width:6}
.gauge .val{fill:none;stroke:url(#gr);stroke-width:6;stroke-linecap:round;transition:stroke-dashoffset 1.6s cubic-bezier(.2,.7,.2,1)}
.gauge .num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .num b{font-family:"Instrument Serif",serif;font-size:50px;font-weight:400;line-height:1}
.gauge .num span{font-family:"JetBrains Mono",monospace;font-size:8.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-top:6px}
.axes{display:flex;flex-direction:column;gap:16px}
.axis-l{display:flex;justify-content:space-between;font-size:14px;color:var(--dim);margin-bottom:7px}
.axis-l i{font-style:normal;font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--faint)}
.bar{height:2px;background:var(--line);position:relative;overflow:hidden}
.bar i{position:absolute;left:0;top:0;height:100%;background:linear-gradient(90deg,var(--cyan),var(--violet));width:0;transition:width 1.4s cubic-bezier(.2,.7,.2,1)}

.cols{display:grid;grid-template-columns:1fr 1fr;gap:44px;margin-bottom:34px}
.col h5{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin:0 0 16px;font-weight:400}
.col.warm h5{color:var(--plasma)}
.col ul{list-style:none;padding:0;margin:0}
.col li{font-size:15px;color:var(--mute);padding:11px 0 11px 20px;border-top:1px solid var(--line);position:relative;line-height:1.55}
.col li::before{content:"";position:absolute;left:0;top:20px;width:8px;height:1px;background:var(--cyan);opacity:.6}
.col.warm li::before{background:var(--violet);opacity:.8}

.first{border:1px solid var(--line);background:rgba(255,255,255,.014);padding:30px 32px;margin-bottom:34px}
.first h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:26px;margin:0 0 12px}
.first p{color:var(--mute);font-size:15.5px;margin:0 0 22px;line-height:1.62}
.gain{display:flex;align-items:flex-end;gap:26px;border-top:1px solid var(--line);padding-top:20px}
.gain div span{display:block;font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.gain div b{font-family:"Instrument Serif",serif;font-size:32px;font-weight:400;line-height:1}
.gain .to{color:var(--cyan)}
.gain .arrow{color:var(--faint);font-size:20px;padding-bottom:6px}

.locked{border:1px solid var(--line-mid);padding:32px;position:relative;background:rgba(88,0,255,.05)}
.locked h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:24px;margin:0 0 12px}
.locked p{color:var(--mute);font-size:15px;margin:0 0 22px;max-width:56ch;line-height:1.62}
.locked .two{margin-bottom:18px}
.plan{list-style:none;padding:0;margin:0;counter-reset:p}
.plan li{counter-increment:p;font-size:15.5px;color:var(--dim);padding:14px 0 14px 42px;border-top:1px solid var(--line);position:relative;line-height:1.55}
.plan li::before{content:"0" counter(p);position:absolute;left:0;top:14px;font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--cyan);letter-spacing:.1em}
.blur{filter:blur(5px);opacity:.5;pointer-events:none;user-select:none}

/* organigramme */
.org{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}
.org-chart{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.dept{border:1px solid var(--line-mid);background:rgba(255,255,255,.012);padding:20px 18px;cursor:pointer;transition:all .4s;text-align:left;font-family:inherit;color:inherit}
.dept:hover{border-color:rgba(0,215,255,.4)}
.dept h5{font-size:15px;font-weight:400;margin:0 0 4px;color:var(--bone)}
.dept .who{font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);display:block;margin-bottom:16px}
.dept .lvl{display:flex;gap:5px}
.dept .lvl i{flex:1;height:2px;background:var(--line);transition:background .4s}
.dept.s1 .lvl i:nth-child(1),.dept.s2 .lvl i:nth-child(-n+2),.dept.s3 .lvl i{background:var(--cyan)}
.dept.s3{border-color:rgba(88,0,255,.5);background:rgba(88,0,255,.07)}
.dept.s3 .lvl i{background:var(--violet)}
.dept.s2{border-color:rgba(0,215,255,.35)}
.dept .tag{font-family:"JetBrains Mono",monospace;font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;margin-top:14px;display:block;color:var(--faint)}
.dept.s1 .tag,.dept.s2 .tag{color:var(--cyan)}
.dept.s3 .tag{color:var(--plasma)}
.org-side{border-left:1px solid var(--line);padding-left:32px}
.org-side .sc{font-family:"Instrument Serif",serif;font-size:56px;line-height:1;display:block;margin-bottom:6px}
.org-side .sc s{text-decoration:none;font-size:22px;color:var(--faint)}
.org-side .scl{font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);display:block;margin-bottom:26px}
.org-side p{font-size:14.5px;color:var(--mute);line-height:1.6;margin:0 0 22px}
.legend{border-top:1px solid var(--line);padding-top:20px;margin-bottom:24px}
.legend div{display:flex;gap:12px;align-items:flex-start;font-size:12.5px;color:var(--mute);margin-bottom:11px;line-height:1.5}
.legend i{width:9px;height:9px;flex-shrink:0;margin-top:5px;border:1px solid}
.legend .l1{border-color:var(--cyan);background:rgba(0,215,255,.2)}
.legend .l2{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.08)}
.legend .l3{border-color:var(--violet);background:rgba(88,0,255,.3)}

@media(max-width:1100px){
  .hero-sys{max-width:520px;margin:0}
  .org{grid-template-columns:1fr;gap:34px}
  .org-side{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:28px}
  .res-top{grid-template-columns:1fr;gap:32px;justify-items:start}
}
@media(max-width:880px){
  .sim-head{padding:30px 24px 0}
  .sim-body{padding:26px 24px 32px}
  .cols,.two{grid-template-columns:1fr;gap:26px}
  .org-chart{grid-template-columns:1fr 1fr}
  .first,.locked{padding:24px 20px}
  .gain{flex-wrap:wrap;gap:18px}
}
@media(max-width:560px){ .org-chart{grid-template-columns:1fr} }

/* ---------- simulateurs : étapes, questions, résultats ---------- */
.sim-step{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin:0 0 26px}
.sim-nav{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:8px}
.sim-warn{color:var(--plasma);font-size:14px;margin:18px 0 0;border-left:1px solid rgba(124,77,255,.5);padding-left:14px}
.ts-holder{margin:6px 0 22px;min-height:0}
.field.q{margin-bottom:26px}
.q-help{color:var(--faint);font-size:13px;margin:-4px 0 12px}
.res-h{font-family:"Instrument Serif",serif;font-weight:400;font-size:30px;line-height:1.15;margin:0 0 14px;color:var(--bone)}
.res-s{color:var(--dim);font-size:16.5px;line-height:1.62;margin:0 0 34px;max-width:66ch}
.res-c{color:var(--mute);font-size:14.5px;margin:0 0 22px;line-height:1.55}
.first .mono{color:var(--cyan);display:block;margin-bottom:14px}
.locked .mono{color:var(--cyan);display:block;margin-bottom:14px}
.cta-line{color:var(--plasma);font-family:"Instrument Serif",serif;font-size:20px;line-height:1.35;margin:0 0 16px;font-style:italic}
.plan li b{color:var(--bone);font-weight:400}
.plan li i{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.12em;color:var(--faint);font-style:normal}
.plan li span{color:var(--mute);font-size:14.5px}
.zones-wrap{margin:0 0 34px}
.zones-wrap h5{color:var(--cyan);margin:0 0 16px;font-weight:400}
.zones{list-style:none;padding:0;margin:0}
.zones li{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:13px 0;border-top:1px solid var(--line);font-size:14.5px;color:var(--mute);line-height:1.55}
.zones li b{color:var(--bone);font-weight:400;position:relative;padding-left:16px}
.zones li b::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border:1px solid var(--cyan)}
.zones li.z-steer b::before{border-color:var(--violet);background:rgba(88,0,255,.35)}
.zones li.z-invest b::before{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.08)}
.zones li.z-exec b::before{background:rgba(0,215,255,.2)}
.dept{position:relative}
.dept-re{width:100%;margin-top:14px;background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--dim);font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.08em;padding:8px 10px;cursor:pointer}
.dept-re:focus{outline:none;border-color:rgba(0,215,255,.5)}
.dept-re option{background:var(--panel);color:var(--bone);font-family:"Inter Tight",sans-serif;font-size:13px}
@media(max-width:880px){ .zones li{grid-template-columns:1fr;gap:6px} }