/* Concept : le site montre une seule machine vivante, décomposée en couches, plutôt que des photos d'illustration. Charte d'origine conservée. */
:root{
  --bg:#080909;--panel:#0e100f;--panel2:#141613;--text:#f2f0e8;--soft:#c3c5be;--muted:#969990;--line:#2b2e2b;
  --yellow:#d6a900;--yellow2:#f2c21b;--ink:#0a0b0a;
  --font:"Space Grotesk","Helvetica Neue",Arial,sans-serif;
  --max:1280px;--gut:clamp(16px,3vw,34px);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.55 var(--font);overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
em{font-style:normal;color:var(--yellow2)}
:focus-visible{outline:2px solid var(--yellow2);outline-offset:3px}
.wrap{max-width:var(--max);margin-inline:auto;padding-left:max(var(--gut),env(safe-area-inset-left,0px));padding-right:max(var(--gut),env(safe-area-inset-right,0px))}
h2{font-size:clamp(38px,5.2vw,70px);line-height:1;letter-spacing:-.05em;font-weight:500;text-wrap:balance}

/* Navigation */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative}
.logo{display:block;line-height:0}
.logo img{display:block;width:132px;height:auto}
#site-nav{display:flex;align-items:center;gap:30px;font-size:14px}
#site-nav a{color:var(--soft);transition:color .2s}
#site-nav a:hover{color:var(--yellow2)}
.lang{display:inline-flex;gap:2px}
.lang button{background:none;border:0;color:var(--muted);font:500 13px var(--font);padding:6px 7px;cursor:pointer}
.lang button[aria-pressed=true]{color:var(--yellow2)}
.burger{display:none;width:42px;height:42px;background:none;border:1px solid var(--line);color:var(--text);padding:0;cursor:pointer}
.burger span{display:block;width:18px;height:1.5px;background:currentColor;margin:5px auto}

/* Héros */
.hero{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(36px,5.4vw,76px);align-items:center;min-height:690px;padding-block:44px 92px}
h1{font-size:clamp(55px,6.6vw,94px);line-height:.94;letter-spacing:-.06em;font-weight:500;margin:0 0 32px}
.lead{max-width:520px;color:#b5b8b1;font-size:17px;line-height:1.65;margin:0 0 38px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;gap:18px;padding:14px 18px;border:1px solid #383b37;text-transform:uppercase;font-size:10px;letter-spacing:.14em;transition:.25s}
.button-primary{background:#f0eee6;color:#0a0b0a;border-color:#f0eee6}
.button-ghost:hover,.button-primary:hover{transform:translateY(-2px);border-color:var(--yellow2)}
.button-ghost:hover{background:#11130f}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border:1px solid #3c3f3b;background:none;color:var(--text);font:500 15px var(--font);cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.btn:hover{transform:translateY(-2px);border-color:var(--yellow2)}
.btn-main{background:var(--text);color:var(--ink);border-color:var(--text)}
.btn-main:hover{background:var(--yellow2);color:var(--ink)}
.rig{min-width:0}
.stage{position:relative;border:1px solid var(--line);background:var(--panel)}
.stage::before,.stage::after{content:"";position:absolute;width:18px;height:18px;right:10px;pointer-events:none}
.stage::before{top:-1px;right:-1px;border-top:1px solid var(--yellow2);border-right:1px solid var(--yellow2)}
.stage::after{bottom:-1px;right:-1px;border-bottom:1px solid var(--yellow2);border-right:1px solid var(--yellow2)}
canvas{display:block;width:100%;aspect-ratio:4/3;touch-action:pan-y;cursor:ew-resize}
.layers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-top:0}
.layers button{background:none;border:0;border-right:1px solid var(--line);color:var(--muted);font:500 14px var(--font);padding:12px 8px;cursor:pointer;display:flex;gap:8px;align-items:center;justify-content:center;min-width:0;transition:color .2s,background .2s}
.layers button:last-child{border-right:0}
.layers button::before{content:"";width:9px;height:9px;flex:none;border:1px solid currentColor}
.layers button[aria-pressed=true]{color:var(--text)}
.layers button[aria-pressed=true]::before{background:var(--yellow2);border-color:var(--yellow2)}
.layers button:hover{background:var(--panel2)}
.telemetry{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 20px;margin-top:10px;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.telemetry b{font-weight:500;color:var(--text)}

/* Bandeau et chiffres : version d'origine */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:center;gap:26px;align-items:center;padding:14px 20px;overflow:hidden;white-space:nowrap;color:#777a74;font-size:9px;letter-spacing:.18em;line-height:1.5}
.ticker i{font-style:normal;color:var(--yellow2)}
.stats{max-width:var(--max);margin:auto;display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);line-height:1.5}
.stats div{padding:28px 34px;border-right:1px solid var(--line)}
.stats div:last-child{border-right:0}
.stats strong{display:block;font-size:38px;line-height:1;font-weight:500}
.stats strong.infinity{transform:scale(1.7);transform-origin:left center}
.stats strong span{color:var(--yellow2)}
.stats small{display:block;margin-top:10px;color:#7d817a;text-transform:uppercase;font-size:9px;letter-spacing:.14em}

/* Expertises */
.sec{padding-block:clamp(72px,10vw,130px)}
.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,6vw,90px);align-items:start}
.stick{position:sticky;top:110px;display:grid;gap:24px}
.note{color:var(--muted);max-width:30em}
.skills{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
@media(max-height:799px){.stick{position:static}}
.skill{display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;align-items:start;padding-block:26px;border-bottom:1px solid var(--line);position:relative}
.skill::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--yellow2);transform:scaleX(0);transform-origin:left;transition:transform .45s ease}
.skill:hover::after{transform:scaleX(1)}
.skill svg{width:64px;height:64px;fill:none;stroke:var(--yellow2);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.skill:hover svg *{stroke-dasharray:1;animation:draw .8s ease both}
@keyframes draw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
h3{font-size:clamp(22px,2.2vw,29px);font-weight:500;letter-spacing:-.025em;line-height:1.15;margin-bottom:8px}
.skill p{color:var(--muted);max-width:34em}

/* Réalisations : version d'origine */
.section{max-width:var(--max);margin:auto;padding-block:55px 140px;padding-left:max(var(--gut),env(safe-area-inset-left,0px));padding-right:max(var(--gut),env(safe-area-inset-right,0px));line-height:1.5}
.eyebrow{font-size:10px;letter-spacing:.2em;color:var(--yellow2);font-weight:600;margin:0 0 24px;text-transform:uppercase}
.section-title-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:60px;align-items:end}
.section-title-row h2{font-size:clamp(44px,5.5vw,74px);line-height:.98;letter-spacing:-.055em;font-weight:500;margin:0}
.section-title-row>p{color:var(--muted);max-width:420px;margin:0 0 4px;font-size:14px}
.pj-wrap{container-type:inline-size;margin-top:70px}
.pj-list{--open:calc((100cqw - 36px)*.6);display:flex;gap:18px;height:600px}
.pj{position:relative;flex:1 1 0;min-width:0;background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:flex-grow .65s cubic-bezier(.65,0,.2,1),border-color .3s}
.pj.open{flex-grow:3;border-color:#4b4a2c}
.pj h3{margin:0;font:inherit;letter-spacing:normal;height:100%}
.pj-face{position:absolute;inset:0 auto 0 0;z-index:1;width:100%;padding:0;border:0;background:#111;color:var(--text);font:inherit;text-align:left;cursor:pointer;overflow:hidden;transition:width .65s cubic-bezier(.65,0,.2,1)}
.pj.open .pj-face{width:46%}
.pj-face img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--pos,center);filter:grayscale(1) contrast(1.12) brightness(1.06);transition:transform .7s,filter .7s}
.pj-face.fit img{object-fit:contain;object-position:center 30%;padding:8% 6% 30%}
.pj-face{isolation:isolate}
.pj.open .pj-face img{filter:none}
.pj-face::after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(8,9,9,.82) 60%,rgba(8,9,9,.96))}
.pj-face:hover img{transform:scale(1.04)}
.pj-label{position:absolute;z-index:1;left:22px;right:22px;bottom:20px;display:grid;gap:8px}
.pj-kind{color:var(--yellow2);font-size:9px;letter-spacing:.16em}
.pj-title{font-size:20px;font-weight:500;line-height:1.25}
.pj-cue{display:flex;align-items:center;gap:10px;font-size:10px;text-transform:uppercase;letter-spacing:.12em;font-weight:500;color:#c9cbc4;margin-top:6px}
.pj-cue i{position:relative;width:24px;height:24px;flex:none;border:1px solid var(--yellow2);transition:transform .45s,background .2s}
.pj-cue i::before,.pj-cue i::after{content:"";position:absolute;left:6px;right:6px;top:50%;height:1.5px;margin-top:-.75px;background:var(--yellow2)}
.pj-cue i::after{transform:rotate(90deg)}
.pj-face:hover .pj-cue i{background:rgba(242,194,27,.15)}
.pj-cue i::before,.pj-cue i::after{transition:transform .45s}
.pj.open .pj-cue i::before{transform:rotate(45deg)}
.pj.open .pj-cue i::after{transform:rotate(-45deg)}
.pj-detail{position:absolute;top:0;bottom:0;right:0;width:calc(var(--open)*.54);visibility:hidden;opacity:0;transform:translateX(24px);transition:opacity .25s,transform .25s,visibility 0s .25s;overflow-y:auto}
.pj.open .pj-detail{visibility:visible;opacity:1;transform:none;transition:opacity .4s .35s,transform .45s .35s}
.pj-in{padding:32px 30px;display:grid;gap:18px;align-content:center;min-height:100%}
.pj-in p{color:var(--soft);font-size:16px}
.pj-in ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.pj-in li{padding:11px 0 11px 20px;border-bottom:1px solid var(--line);position:relative;font-size:15.5px;opacity:0;transform:translateY(10px)}
.pj-in li::before{content:"";position:absolute;left:0;top:19px;width:7px;height:7px;background:var(--yellow2);transform:rotate(45deg)}
.pj.open .pj-in li{opacity:1;transform:none;transition:opacity .4s,transform .4s;transition-delay:calc(.5s + var(--i)*.08s)}
.pj-go{font-size:15px;font-weight:500;border-bottom:1px solid var(--yellow);padding-bottom:3px;justify-self:start}
.pj-go:hover{color:var(--yellow2)}

/* Références */
.refs{border-top:1px solid var(--line)}
.refs h2{margin-bottom:clamp(36px,5vw,60px)}
.ref-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line)}
.ref{display:grid;justify-items:center;align-content:center;gap:22px;min-height:230px;padding:30px 24px;border-right:1px solid var(--line);color:var(--muted);font-size:14px;transition:background .25s,color .25s}
.ref:last-child{border-right:0}
.ref span.box{height:96px;display:grid;place-items:center}
.ref img{display:block;max-width:100%;height:var(--h);width:auto;opacity:.82;transition:opacity .25s,transform .35s}
.ref:hover{background:var(--panel2);color:var(--yellow2)}
.ref:hover img{opacity:1;transform:scale(1.05)}

/* Méthode */
.quote{font-size:clamp(44px,6.8vw,96px);line-height:.98;letter-spacing:-.055em;font-weight:500;margin-bottom:26px}
.method-text{color:var(--soft);max-width:36em;margin-bottom:clamp(44px,6vw,72px)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;position:relative;--p:0}
.steps::before,.steps::after{content:"";position:absolute;left:0;right:0;top:15px;height:1px;background:var(--line)}
.steps::after{background:var(--yellow2);transform:scaleX(var(--p));transform-origin:left}
.step{position:relative;z-index:1;min-width:0}
.dot{display:grid;place-items:center;width:31px;height:31px;border:1px solid var(--line);background:var(--bg);color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:18px;transition:.3s}
.step.on .dot{background:var(--yellow2);border-color:var(--yellow2);color:var(--ink)}
.step h3{font-size:22px}
.step p{color:var(--muted);font-size:15.5px}
.loop{grid-column:3/6;display:flex;gap:12px;align-items:center;color:var(--soft);font-size:15px;border:1px dashed #4a4a35;border-top:0;padding:10px 14px}
.loop svg{width:22px;height:22px;flex:none;fill:none;stroke:var(--yellow2);stroke-width:1.5;animation:turn 6s linear infinite}
@keyframes turn{to{transform:rotate(360deg)}}

.method{border-top:1px solid var(--line)}

/* Contact */
.brief-q{font-weight:500;margin-bottom:10px}
.contact{border-top:1px solid var(--line)}
.brief{display:grid;gap:20px;min-width:0}
.brief fieldset{border:0;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.brief legend,.brief label{display:block;font-weight:500;margin-bottom:10px;padding:0}
.chip{background:none;border:1px solid #3c3f3b;color:var(--soft);font:400 15px var(--font);padding:9px 13px;cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--yellow2)}
.chip[aria-pressed=true]{background:var(--yellow2);border-color:var(--yellow2);color:var(--ink)}
textarea{width:100%;min-height:118px;resize:vertical;background:var(--panel);border:1px solid #3c3f3b;color:var(--text);font:400 16px/1.5 var(--font);padding:13px}
textarea::placeholder{color:var(--muted)}
.send{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
#copy-state{color:var(--yellow2);font-size:15px;min-height:1.5em}
.mail{font-size:clamp(23px,3vw,38px);letter-spacing:-.035em;border-bottom:1px solid var(--yellow);padding-bottom:5px;overflow-wrap:anywhere;display:inline-block;margin-top:6px}
.mail:hover{color:var(--yellow2)}

footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.foot{display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:space-between;align-items:center;padding-block:24px}
.foot .logo img{width:75px}

@media(max-width:940px){
  .burger{display:block}
  #site-nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:16px;padding:18px;background:var(--panel);border:1px solid var(--line);font-size:17px}
  #site-nav.open{display:flex}
  .hero,.split,.section-title-row{grid-template-columns:minmax(0,1fr)}
  .hero{gap:36px;min-height:0;padding-block:55px 75px}
  h1{font-size:clamp(52px,13vw,78px)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div{padding:24px 22px}
  .stats div:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
  .stats div:nth-child(3),.stats div:nth-child(4){border-top:1px solid var(--line)}
  .ticker{justify-content:flex-start}
  .section-title-row{gap:35px}
  .section{padding-block:55px 100px}
  .pj-wrap{margin-top:50px}
  .pj-list{flex-direction:column;height:auto}
  .pj,.pj.open{flex:none}
  .pj h3{height:auto}
  .pj-face,.pj.open .pj-face{position:relative;display:block;width:100%;height:340px}
  .pj-detail{position:static;width:auto;display:grid;grid-template-rows:0fr;transform:none;transition:grid-template-rows .45s,opacity .3s,visibility 0s .45s}
  .pj.open .pj-detail{grid-template-rows:1fr;transition:grid-template-rows .45s,opacity .4s .1s}
  .pj-in{min-height:0;overflow:hidden;padding-block:0}
  .pj.open .pj-in{padding-block:26px}
  .ref-grid{grid-template-columns:minmax(0,1fr)}
  .ref{border-right:0;border-bottom:1px solid var(--line);min-height:190px}
  .ref:last-child{border-bottom:0}
  .stick{position:static}
  .steps{grid-template-columns:minmax(0,1fr);gap:24px}
  .steps::before,.steps::after{left:15px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .steps::after{transform:scaleY(var(--p));transform-origin:top}
  .step{display:grid;grid-template-columns:31px minmax(0,1fr);column-gap:16px}
  .dot{grid-row:span 2;margin:0}
  .loop{grid-column:auto;margin-left:47px;position:relative;z-index:1;background:var(--bg);border:1px dashed #4a4a35}
}
@media(max-width:480px){
  .button{width:100%;justify-content:space-between}
  .stats strong{font-size:32px}
  .stats strong.infinity{font-size:38px;transform:scale(1.5)}
  .pj-face,.pj.open .pj-face{height:300px}
  .layers{grid-template-columns:repeat(2,minmax(0,1fr))}
  .layers button:nth-child(2){border-right:0}
  .layers button:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .skill{grid-template-columns:44px minmax(0,1fr);gap:14px}
  .skill svg{width:44px;height:44px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .pj-in li{opacity:1!important;transform:none!important}
  *,*::before,*::after{animation:none!important;transition:none!important}
}