:root{
  --bg:#070b14;--bg2:#0c1322;--card:#0f1829;--line:#1e2b45;--text:#e8eef8;--muted:#9fb0c8;
  --cyan:#22d3ee;--violet:#8b5cf6;--accent:linear-gradient(135deg,#22d3ee,#8b5cf6);
  --on-accent:#04101a;--shadow:0 14px 44px rgba(0,0,0,.4);--r:18px;--ease:cubic-bezier(.2,.7,.2,1);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:light){
  :root{--bg:#f6f8fc;--bg2:#eaf0f9;--card:#fff;--line:#d5dfee;--text:#0c1424;--muted:#46566f;--shadow:0 12px 34px rgba(20,40,80,.1);--cyan:#0369a1;--violet:#6d28d9}
}
@view-transition{navigation:auto}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.68 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
a{color:var(--cyan);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{width:min(1180px,100% - 2rem);margin-inline:auto}
.narrow{max-width:820px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--cyan);color:var(--on-accent);padding:.6rem 1rem;border-radius:8px;font-weight:700}
.skip:focus{left:8px}
.center{text-align:center}.muted{color:var(--muted)}

/* en-tête + barre de progression de lecture */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3);border-bottom:1px solid var(--line);view-transition-name:header}
@supports (animation-timeline:scroll()){
  .site-header::after{content:"";position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(0);animation:prog linear both;animation-timeline:scroll(root)}
  @keyframes prog{to{transform:scaleX(1)}}
}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:1rem}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--text);text-decoration:none;font-weight:800;letter-spacing:.12em;line-height:1.1}
.brand span{display:flex;flex-direction:column;font-size:1rem}
.brand small{font:500 .62rem/1.2 var(--mono);letter-spacing:.22em;color:var(--muted);text-transform:uppercase}
.nav{display:flex;align-items:center;gap:.4rem}
.nav ul{display:flex;gap:.1rem;list-style:none;margin:0;padding:0}
.nav a{color:var(--text);text-decoration:none;padding:.5rem .8rem;border-radius:999px;font-size:.95rem;transition:background .2s}
.nav a:hover{background:var(--card)}
.nav .lang{border:1px solid var(--line);font:700 .8rem var(--mono);letter-spacing:.1em;color:var(--cyan)}
.nav .nav-call{display:inline-flex;align-items:center;gap:.45rem;background:var(--accent);color:var(--on-accent);font-weight:700;margin-left:.2rem}
.nav .nav-call:hover{filter:brightness(1.08);background:var(--accent)}
.nav-toggle,.burger{display:none}
@media (max-width:1080px){.nav-call span{display:none}.nav .nav-call{padding:.55rem}}
@media (max-width:900px){
  .burger{display:flex;flex-direction:column;gap:5px;padding:.7rem;cursor:pointer;border-radius:10px}
  .burger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s var(--ease),opacity .2s}
  .nav-toggle{display:block;position:absolute;opacity:0;width:44px;height:44px;right:1rem;top:12px;cursor:pointer;z-index:2}
  .nav-toggle:focus-visible+.burger{outline:3px solid var(--cyan)}
  .nav-toggle:checked+.burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked+.burger span:nth-child(2){opacity:0}
  .nav-toggle:checked+.burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--line);padding:.75rem 1rem 1.1rem;gap:.5rem}
  .nav ul{flex-direction:column}
  .nav a{display:block;padding:.85rem 1rem;font-size:1.05rem}
  .nav .nav-call{justify-content:center;margin:0}.nav-call span{display:inline}
  .nav-toggle:checked~.nav{display:flex;animation:drop .25s var(--ease)}
  @keyframes drop{from{opacity:0;transform:translateY(-8px)}}
}

/* hero accueil */
.hero{position:relative;overflow:hidden;padding:clamp(3rem,7vw,5.5rem) 0 clamp(2rem,4vw,3rem);isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-1;
  background:
   radial-gradient(60% 55% at 85% 0%,rgba(139,92,246,.35),transparent 70%),
   radial-gradient(50% 50% at 5% 20%,rgba(34,211,238,.22),transparent 70%),
   linear-gradient(var(--line) 1px,transparent 1px) 0 0/48px 48px,
   linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/48px 48px;
  -webkit-mask-image:linear-gradient(#000 55%,transparent);mask-image:linear-gradient(#000 55%,transparent);opacity:.9;animation:drift 40s linear infinite}
@keyframes drift{to{background-position:0 0,0 0,48px 48px,48px 48px}}
.hero-in{display:grid;gap:2rem;align-items:center}
@media (min-width:960px){.hero-in{grid-template-columns:1.05fr .95fr}}
.eyebrow{font:600 .78rem var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin:0 0 1rem}
h1{font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.08;margin:0 0 1.2rem;letter-spacing:-.02em;text-wrap:balance}
.lead{font-size:clamp(1.05rem,1.8vw,1.25rem);color:var(--muted);max-width:62ch;margin:0 0 1.8rem}
.cta{display:flex;flex-wrap:wrap;gap:.8rem;margin:0 0 1.2rem}
.hero-viz{position:relative;min-height:440px;display:grid}
.art-wrap{width:min(340px,72%);aspect-ratio:1;justify-self:end;align-self:start}
.art{width:100%;height:100%;overflow:visible}
.art *{transform-box:view-box;transform-origin:50% 50%}
.art .ring.r1{animation:spin 70s linear infinite}.art .ring.r2{animation:spin 44s linear infinite reverse}.art .ring.r3{animation:spin 30s linear infinite}
.art .o1{animation:spin 18s linear infinite}.art .o2{animation:spin 26s linear infinite reverse}.art .o3{animation:spin 34s linear infinite}
.art .core{animation:pulse 4.5s ease-in-out infinite}
.art .scan{animation:scan 5s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{transform:scale(1.035)}}
@keyframes scan{0%{transform:translateY(-105px);opacity:0}15%,85%{opacity:.9}100%{transform:translateY(105px);opacity:0}}
/* cascade des services : reprise de l'animation d'origine du slider (lignes qui se retournent en 3D) */
.cascade{list-style:none;margin:0;padding:0;position:absolute;left:0;bottom:0;display:grid;gap:.35rem;perspective:900px;z-index:2}
.cascade li{transform-origin:left center;animation:flipIn .9s var(--ease) both;animation-delay:calc(.4s + var(--i)*.28s)}
.cascade li:nth-child(1){--i:0}.cascade li:nth-child(2){--i:1}.cascade li:nth-child(3){--i:2}.cascade li:nth-child(4){--i:3}.cascade li:nth-child(5){--i:4}.cascade li:nth-child(6){--i:5}.cascade li:nth-child(7){--i:6}.cascade li:nth-child(8){--i:7}
.cascade span{display:inline-block;font:600 .8rem/1.2 var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:.42rem .75rem;border-left:3px solid var(--cyan);background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(6px);border-radius:0 8px 8px 0;color:var(--text)}
.cascade li:nth-child(even) span{border-left-color:var(--violet)}
@keyframes flipIn{from{opacity:0;transform:rotateY(-90deg) translateX(-12px)}to{opacity:1;transform:none}}
@media (max-width:959px){.hero-viz{min-height:0;display:block}.art-wrap{display:none}.cascade{position:static;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}}
.stats{list-style:none;margin:2.5rem auto 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}
.stats li{border-left:2px solid var(--cyan);padding:.2rem 0 .2rem .9rem;display:flex;flex-direction:column}
.stats strong{font-size:1.55rem;line-height:1.2}
.stats span{color:var(--muted);font-size:.9rem}
.marquee{overflow:hidden;border-block:1px solid var(--line);background:var(--bg2);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee .track{display:flex;gap:2.5rem;width:max-content;padding:.9rem 0;animation:marquee 46s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.marquee span{font:600 .85rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.marquee span::before{content:"◆";color:var(--cyan);margin-right:2.5rem;font-size:.6rem;vertical-align:middle}
@keyframes marquee{to{transform:translateX(-50%)}}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;gap:.5rem;padding:.8rem 1.4rem;border-radius:999px;font-weight:700;text-decoration:none;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s,background .2s,border-color .2s;position:relative;overflow:hidden}
.btn.primary{background:var(--accent);color:var(--on-accent);box-shadow:0 8px 28px rgba(34,211,238,.25)}
.btn.primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(139,92,246,.35)}
.btn.primary:hover::after{transform:translateX(120%)}
.btn.ghost{border-color:var(--line);color:var(--text);background:var(--card)}
.btn.ghost:hover{border-color:var(--cyan);transform:translateY(-2px)}
.btn.big{font-size:1.15rem;padding:1rem 1.8rem}

/* sections */
.sec{padding:clamp(3rem,7vw,5.5rem) 0}
.sec.alt{background:var(--bg2);border-block:1px solid var(--line)}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin:0 0 .6rem;letter-spacing:-.01em;line-height:1.2;text-wrap:balance}
.sec-lead{color:var(--muted);max-width:66ch;margin:0 0 2.2rem}
.center .sec-lead{margin-inline:auto}
h3{font-size:1.15rem;margin:0 0 .5rem;line-height:1.3}
.grid{list-style:none;margin:0;padding:0;display:grid;gap:1.15rem}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
/* grille centrée : une dernière rangée incomplète reste centrée au lieu de s'aligner à gauche */
.grid.flexc{display:flex;flex-wrap:wrap;justify-content:center}
.grid.flexc>li{flex:1 1 300px;max-width:calc((100% - 2.3rem)/3)}
@media (max-width:980px){.grid.flexc>li{max-width:calc((100% - 1.15rem)/2)}}
@media (max-width:640px){.grid.flexc>li{max-width:100%}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;position:relative;transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.card p{margin:0;color:var(--muted);font-size:.98rem}
.card>.ic-lg{margin-bottom:.8rem}
.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--cyan) 55%,var(--line));box-shadow:var(--shadow)}
.pcard{padding:0;overflow:hidden;display:flex;flex-direction:column}
.thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg2)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .9s var(--ease);filter:saturate(1.05)}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 35%,rgba(7,11,20,.82)),linear-gradient(135deg,rgba(34,211,238,.28),rgba(139,92,246,.34));mix-blend-mode:normal}
.pcard:hover .thumb img{transform:scale(1.07)}
.thumb-ic{position:absolute;left:1rem;bottom:.9rem;z-index:2;width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:color-mix(in srgb,var(--bg) 55%,transparent);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.18);color:#fff}
.thumb-ic .ic-lg{width:26px;height:26px;color:#fff}
.pc-body{padding:1.2rem 1.4rem 1.4rem;display:flex;flex-direction:column;flex:1}
.pc-body p{flex:1 1 auto;margin-bottom:1rem}
.chip{align-self:flex-start;font:600 .66rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);border:1px solid color-mix(in srgb,var(--cyan) 40%,var(--line));padding:.22rem .6rem;border-radius:999px;margin-bottom:.6rem}
.ic{display:block;transition:transform .2s}.ic-lg{width:32px;height:32px;color:var(--cyan)}.ic-sm{width:18px;height:18px}
.more{font-weight:700;text-decoration:none;display:inline-flex;gap:.4rem;align-items:center;margin-top:auto}
.more::after{content:"";position:absolute;inset:0;border-radius:var(--r)}
.more:hover .ic{transform:translateX(4px)}

/* pages intérieures */
.phero{position:relative;overflow:hidden;isolation:isolate;padding:clamp(2.2rem,6vw,4.2rem) 0 clamp(2.5rem,6vw,4rem);border-bottom:1px solid var(--line)}
.phero-img{position:absolute;inset:0;z-index:-2}
.phero-img img{width:100%;height:100%;object-fit:cover;animation:kenburns 26s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1.02)}to{transform:scale(1.12) translate(-1.5%,-1%)}}
@media (prefers-color-scheme:light){.phero-img{opacity:.55}}
.phero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--bg) 12%,color-mix(in srgb,var(--bg) 82%,transparent) 55%,color-mix(in srgb,var(--bg) 55%,transparent)),linear-gradient(0deg,var(--bg),transparent 45%)}
.phero.plain{padding-bottom:1rem;border:0}
.phero h1{max-width:22ch}.phero .lead{max-width:64ch}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.2rem .6rem;margin:0 0 1.2rem;padding:0;font-size:.88rem;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:.6rem;opacity:.6}
.crumbs a{color:var(--muted)}.crumbs [aria-current]{color:var(--text)}
.prose-p{max-width:72ch;margin:0 0 1.2rem;color:var(--muted);font-size:1.1rem}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:1.15rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));counter-reset:s}
.steps li{position:relative;padding:1.4rem 1.2rem 1.2rem;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.steps .n{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--on-accent);font-weight:800;margin-bottom:.8rem}
.steps p{margin:0;color:var(--muted);font-size:.98rem}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.7rem}
.chips.col{flex-direction:column;align-items:flex-start}
.chips li{display:inline-flex;align-items:center;gap:.55rem;padding:.65rem 1rem;border:1px solid var(--line);border-radius:999px;background:var(--card)}
.chips .ic{color:var(--cyan)}
.warn{margin:2rem 0 0;padding:1rem 1.2rem;border-left:4px solid #f59e0b;background:color-mix(in srgb,#f59e0b 12%,var(--card));border-radius:0 12px 12px 0;color:var(--text);font-size:.98rem}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--card);margin:0 0 .8rem;transition:border-color .2s}
.faq details[open]{border-color:color-mix(in srgb,var(--cyan) 50%,var(--line))}
.faq summary{cursor:pointer;list-style:none;padding:1.05rem 3rem 1.05rem 1.2rem;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.2rem;top:50%;translate:0 -50%;font:400 1.6rem/1 var(--mono);color:var(--cyan);transition:transform .25s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0;padding:0 1.2rem 1.15rem;color:var(--muted)}
.contact{background:radial-gradient(70% 90% at 50% 120%,rgba(139,92,246,.25),transparent 70%),var(--bg)}
.prose{max-width:70ch}.prose h1{max-width:none}

/* pied */
.site-footer{border-top:1px solid var(--line);background:var(--bg2);padding:3rem 0 1.4rem;color:var(--muted);font-size:.95rem}
.foot-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));padding-bottom:2rem}
.foot-grid p{margin:.8rem 0 0}.foot-grid .brand{color:var(--text)}.tel{font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none}
.foot-h{font:600 .72rem var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--text);margin:0 0 .8rem}
.foot-grid ul{list-style:none;margin:0;padding:0}.foot-grid li{margin:.35rem 0}.foot-grid a{color:var(--muted);text-decoration:none}.foot-grid a:hover{color:var(--cyan);text-decoration:underline}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 2rem;border-top:1px solid var(--line);padding-top:1.2rem}.foot p{margin:0}

/* apparition au défilement (activée uniquement si JavaScript tourne) */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .grid>.reveal:nth-child(3n+2){transition-delay:.08s}.js .grid>.reveal:nth-child(3n){transition-delay:.16s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}.marquee .track{flex-wrap:wrap;width:auto;justify-content:center}.cascade li{opacity:1}
}
@media print{.site-header,.hero-bg,.btn,.marquee,.art-wrap{display:none}body{background:#fff;color:#000}}

/* modules de services (accordéon repris de l'ancien accueil) */
.mods-grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));align-items:start}
.mods{display:grid;gap:.7rem;align-content:start}
.mod{border:1px solid var(--line);border-radius:14px;background:var(--card);transition:border-color .25s,transform .25s var(--ease)}
.mod:hover{transform:translateY(-2px)}
.mod[open]{border-color:color-mix(in srgb,var(--cyan) 50%,var(--line))}
.mod summary{cursor:pointer;list-style:none;padding:.95rem 2.8rem .95rem 1.1rem;font-weight:700;position:relative;line-height:1.35}
.mod summary::-webkit-details-marker{display:none}
.mod summary::after{content:"+";position:absolute;right:1.1rem;top:50%;translate:0 -50%;font:400 1.5rem/1 var(--mono);color:var(--cyan);transition:transform .25s var(--ease)}
.mod[open] summary::after{transform:rotate(45deg)}
.mod p{margin:0;padding:0 1.1rem .7rem;color:var(--muted);font-size:.97rem}
.mod>a{display:inline-flex;gap:.4rem;align-items:center;margin:0 1.1rem 1rem;font-weight:700;text-decoration:none}