:root{
  --bg:#f6f4ef;
  --bg-paper:#ffffff;
  --ink:#121226;
  --ink-soft:#5a5a6e;
  --line:rgba(18,18,38,.12);
  --night:#0a0a16;
  --night-2:#12112a;
  --night-line:rgba(240,238,250,.14);
  --cyan:#9b8cf5;
  --violet:#392964;
  --pink:#c43678;
  --grad:linear-gradient(120deg,var(--cyan),var(--violet) 52%,var(--pink));
  --radius-lg:1.75rem;
  --radius-md:1.125rem;
  --radius-pill:999px;
  --head:"Lato","Segoe UI",system-ui,sans-serif;
  --body:"Lato","Segoe UI",system-ui,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--head);margin:0;line-height:1.08;letter-spacing:-.025em;font-weight:900;text-wrap:balance}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none;margin:0;padding:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.shell{max-width:1280px;margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
:focus-visible{outline:2px solid var(--pink);outline-offset:3px}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important;scroll-behavior:auto !important}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6rem;border-radius:var(--radius-pill);padding:.9rem 1.6rem;font-weight:600;font-size:.92rem;white-space:nowrap}
.btn-grad{background:var(--grad);color:#0a0a16}
.btn-dark{background:var(--night);color:#f4f2fb}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost.on-dark{border-color:var(--night-line);color:#f4f2fb}
.btn svg{width:1rem;height:1rem;flex:none}
.btn:hover{filter:brightness(1.06)}

.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.82rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}
.eyebrow::before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:var(--grad)}
.eyebrow.on-dark{color:rgba(244,242,251,.65)}

/* ---------- header ---------- */
header.site{position:fixed;inset:0 0 auto 0;z-index:80;padding-top:1.1rem}
header.site .bar{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.6rem .6rem .6rem .5rem;border-radius:var(--radius-pill);background:rgba(10,10,22,.55);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.08);transition:background .3s;max-width:100%}
header.site .brand{display:flex;align-items:center;gap:.5rem;font-family:var(--head);font-weight:600;font-size:.92rem;color:#f4f2fb;white-space:nowrap;min-width:0}
header.site .brand img{width:1.9rem;height:1.9rem;border-radius:50%;flex:none}
nav.main{display:none;gap:1.6rem;font-size:.9rem;color:rgba(244,242,251,.75)}
nav.main a:hover,nav.main a.active{color:#fff}
header.site .actions{display:flex;align-items:center;gap:.5rem;flex:none}
header.site .actions .btn-grad{display:none}
.menu-btn{padding:.55rem .85rem}
@media(min-width:640px){header.site .actions .btn-grad{display:inline-flex}}
@media(min-width:960px){nav.main{display:flex}.menu-btn{display:none}}
@media(max-width:479px){header.site .brand span{display:none}}

/* page header (non-hero pages) */
.page-head{position:relative;background:var(--night);border-radius:0 0 var(--radius-lg) var(--radius-lg);padding:11rem 0 4rem;color:#f4f2fb;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 70% at 20% 0%,rgba(106,75,240,.35),transparent 60%),radial-gradient(ellipse 50% 60% at 100% 100%,rgba(239,31,108,.25),transparent 60%)}
.page-head .shell{position:relative;z-index:1}
.page-head h1{font-size:clamp(2.1rem,5vw,3.6rem);max-width:20ch}
.page-head p{margin-top:1.2rem;max-width:48ch;color:rgba(244,242,251,.72);font-size:1.05rem}
.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:rgba(244,242,251,.5);margin-bottom:1.4rem}
.breadcrumb a:hover{color:#fff}

/* ---------- hero (home) ---------- */
.hero{position:relative;min-height:100svh;overflow:hidden;background:var(--night);border-radius:0 0 var(--radius-lg) var(--radius-lg);display:flex;align-items:flex-end}
.hero .stage{position:absolute;inset:0}
.hero .stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero .stage img.render{opacity:1}
.hero .stage img.wire{opacity:0;clip-path:inset(0 0 0 0)}
.hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,22,.75) 0%,rgba(10,10,22,.25) 32%,rgba(10,10,22,.55) 68%,rgba(10,10,22,.96) 100%)}
.hero .grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(51,215,227,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(51,215,227,.08) 1px,transparent 1px);background-size:64px 64px;mix-blend-mode:screen;opacity:.5}
.hero .content{position:relative;z-index:3;padding:9rem 0 3.6rem}
.hero .kicker{color:rgba(244,242,251,.7);display:flex;align-items:center;gap:.6rem;font-size:.85rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1.4rem}
.hero .kicker .dot{width:.45rem;height:.45rem;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.hero h1{font-size:clamp(2.2rem,5.4vw,4.3rem);max-width:17ch;color:#f6f4ef}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{margin-top:1.4rem;max-width:46ch;color:rgba(244,242,251,.78);font-size:1.08rem}
.hero .row{margin-top:2.2rem;display:flex;gap:.85rem;flex-wrap:wrap;align-items:center}
.hero .stats-strip{margin-top:3.4rem;display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem 2rem;max-width:34rem;border-top:1px solid var(--night-line);padding-top:1.6rem}
@media(min-width:720px){.hero .stats-strip{grid-template-columns:repeat(4,1fr);max-width:none}}
.hero .stats-strip .num{font-family:var(--head);font-size:clamp(1.5rem,2.6vw,2.1rem);color:#fff}
.hero .stats-strip .lbl{margin-top:.25rem;font-size:.78rem;color:rgba(244,242,251,.55)}
.hero .scroll-cue{position:absolute;right:clamp(1.25rem,4vw,2.5rem);bottom:1.6rem;z-index:3;display:flex;align-items:center;gap:.5rem;color:rgba(244,242,251,.55);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em}
.hero .scroll-cue .line{width:1px;height:2.2rem;background:linear-gradient(var(--cyan),transparent)}

/* ---------- sections ---------- */
section{padding:clamp(4.5rem,8vw,7.5rem) 0}
section.on-dark{background:var(--night);color:#f4f2fb;border-radius:var(--radius-lg)}
section.on-dark h2{color:#f6f4ef}
.section-head{display:grid;gap:1.1rem;max-width:42rem;margin-bottom:clamp(2.6rem,5vw,4rem)}
.section-head h2{font-size:clamp(1.9rem,4vw,3rem)}
.section-head p{color:var(--ink-soft);font-size:1.05rem;max-width:40ch}
.on-dark .section-head p{color:rgba(244,242,251,.62)}
.section-foot{margin-top:2.6rem;display:flex;justify-content:center}

/* services */
.svc-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
@media(min-width:760px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
.svc-card{background:var(--bg-paper);padding:2.2rem 2rem;display:flex;flex-direction:column;gap:1rem;min-height:15rem;position:relative}
.svc-card .idx{font-family:var(--head);font-size:.85rem;color:var(--ink-soft)}
.svc-card h3{font-size:1.35rem}
.svc-card p{color:var(--ink-soft);font-size:.95rem;max-width:34ch}
.svc-card .tag-row{margin-top:auto;display:flex;flex-wrap:wrap;gap:.45rem}
.chip{font-size:.74rem;font-weight:600;padding:.3rem .7rem;border-radius:var(--radius-pill);background:rgba(18,18,38,.06);color:var(--ink-soft)}

/* about / entreprise */
.about-intro{display:grid;grid-template-columns:1fr;gap:1.2rem;max-width:62rem;margin-bottom:clamp(2.6rem,5vw,4rem)}
@media(min-width:860px){.about-intro{grid-template-columns:repeat(2,1fr);gap:2.5rem}}
.about-intro p{color:var(--ink-soft);font-size:1.02rem}
.about-grid{display:grid;grid-template-columns:1fr;gap:2.5rem}
@media(min-width:860px){.about-grid{grid-template-columns:1.1fr .9fr;gap:3.5rem}}
.about-text{margin-top:.8rem;color:var(--ink-soft);font-size:1.02rem;max-width:42ch}
.values-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;align-content:start}
@media(min-width:480px){.values-grid{grid-template-columns:repeat(2,1fr)}}
.values-grid li{background:var(--bg-paper);padding:1.6rem}
.values-grid h3{font-size:1.05rem}
.values-grid p{margin-top:.5rem;color:var(--ink-soft);font-size:.88rem}

/* pillars (why choose us) */
.pillar-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:680px){.pillar-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.pillar-grid{grid-template-columns:repeat(4,1fr)}}
.pillar{padding:1.8rem;border-radius:var(--radius-md);background:rgba(255,255,255,.04);border:1px solid var(--night-line)}
.pillar h3{font-size:1.05rem;color:#fff}
.pillar p{margin-top:.6rem;font-size:.88rem;color:rgba(244,242,251,.6)}

/* flagship */
.flagship{background:var(--night);border-radius:var(--radius-lg);color:#f4f2fb;overflow:hidden;position:relative}
.flagship .media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#000}
.flagship .media video{width:100%;height:100%;object-fit:cover;display:block}
.flagship .media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,10,22,.9),transparent 45%);pointer-events:none}
.play-btn{position:absolute;inset:0;margin:auto;width:4.5rem;height:4.5rem;border-radius:50%;background:var(--grad);color:#0a0a16;display:grid;place-items:center;z-index:2}
.play-btn svg{width:1.6rem;height:1.6rem;margin-left:.15rem}
.play-btn.hidden{display:none}
.flagship .body{padding:clamp(1.8rem,4vw,3.2rem)}
.flagship .top-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.2rem;align-items:flex-start}
.flagship h3{font-size:clamp(1.8rem,3.4vw,2.6rem);max-width:18ch;margin-top:1rem}
.flagship .lede{margin-top:1rem;max-width:52ch;color:rgba(244,242,251,.72)}
.fact-grid{margin-top:2.4rem;display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem 2rem;border-top:1px solid var(--night-line);padding-top:1.6rem}
@media(min-width:640px){.fact-grid{grid-template-columns:repeat(4,1fr)}}
.fact-grid dt{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:rgba(244,242,251,.45)}
.fact-grid dd{margin:.35rem 0 0;font-weight:600;font-family:var(--head)}

/* projects */
.proj-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:760px){.proj-grid{grid-template-columns:repeat(2,1fr)}}
.proj-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--night);min-height:23rem;display:flex;flex-direction:column;justify-content:flex-end;isolation:isolate}
.proj-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.proj-card:hover img{transform:scale(1.06)}
.proj-card::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,rgba(10,10,22,.92) 0%,rgba(10,10,22,.15) 55%,rgba(10,10,22,.05) 100%)}
.proj-card .pc-top{position:relative;z-index:2;display:flex;justify-content:space-between;padding:1.4rem;font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:rgba(244,242,251,.6)}
.proj-card .pc-bottom{position:relative;z-index:2;padding:1.4rem 1.6rem 1.8rem}
.proj-card h3{color:#fff;font-size:1.5rem}
.proj-card p{margin-top:.5rem;color:rgba(244,242,251,.6);font-size:.9rem;max-width:30ch}
.proj-card .tag-row{margin-top:1rem;display:flex;flex-wrap:wrap;gap:.4rem}
.chip.on-dark{background:rgba(255,255,255,.1);color:#fff}

/* digital twin / OYTEC */
.twin-quote{max-width:56rem;font-size:clamp(1.1rem,2.2vw,1.4rem);color:#f6f4ef;font-family:var(--head);font-weight:500;letter-spacing:-.01em;line-height:1.35;margin-bottom:clamp(2.6rem,5vw,4rem)}
.partner-card{display:grid;grid-template-columns:1fr;gap:2rem;border-radius:var(--radius-lg);background:rgba(255,255,255,.04);border:1px solid var(--night-line);padding:clamp(1.8rem,4vw,3rem);margin-bottom:clamp(2.6rem,5vw,4rem)}
@media(min-width:860px){.partner-card{grid-template-columns:1fr 1.3fr}}
.partner-card .tag{display:inline-flex;align-items:center;gap:.5rem;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--cyan);margin-bottom:.8rem}
.partner-card h3{font-size:1.6rem;color:#fff}
.partner-card .lede{margin-top:.9rem;color:rgba(244,242,251,.68);font-size:.98rem}
.layer-list{display:flex;flex-direction:column;gap:1.2rem}
.layer-list li{display:flex;gap:1rem;align-items:flex-start}
.layer-list .n{flex:none;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--grad);color:#0a0a16;display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:.9rem}
.layer-list h4{font-size:1rem;color:#fff}
.layer-list p{margin-top:.3rem;font-size:.86rem;color:rgba(244,242,251,.6)}
.usecase-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:720px){.usecase-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.usecase-grid{grid-template-columns:repeat(3,1fr)}}
.usecase-card{border-radius:var(--radius-md);background:rgba(255,255,255,.04);border:1px solid var(--night-line);padding:1.8rem;display:flex;flex-direction:column;gap:.9rem}
.usecase-card .n{font-family:var(--head);font-size:.8rem;color:var(--cyan)}
.usecase-card h3{font-size:1.15rem;color:#fff}
.usecase-card ul{display:flex;flex-direction:column;gap:.45rem;margin-top:.2rem}
.usecase-card li{font-size:.85rem;color:rgba(244,242,251,.62);padding-left:1rem;position:relative}
.usecase-card li::before{content:"";position:absolute;left:0;top:.5em;width:.4rem;height:.4rem;border-radius:50%;background:var(--pink)}

/* process */
.steps{counter-reset:s;display:grid;grid-template-columns:1fr;gap:1.6rem}
@media(min-width:760px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{counter-increment:s;border-top:2px solid var(--pink);padding-top:1.2rem}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--head);font-size:2rem;font-weight:600;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.steps h3{font-size:1.15rem;margin:.6rem 0 .4rem}
.steps p{color:var(--ink-soft);font-size:.92rem}

/* CTA */
.cta{background:var(--night);border-radius:var(--radius-lg);color:#f4f2fb;padding:clamp(2.6rem,6vw,4.5rem);display:grid;gap:2.4rem;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset-inline:0;bottom:-30%;height:60%;background:radial-gradient(ellipse at 50% 100%,rgba(106,75,240,.35),transparent 70%);pointer-events:none}
@media(min-width:860px){.cta{grid-template-columns:1.1fr .9fr;align-items:center}}
.cta h2{font-size:clamp(1.9rem,3.6vw,2.8rem);max-width:16ch}
.cta .lede{margin-top:1rem;color:rgba(244,242,251,.68);max-width:36ch}
.cta .row{margin-top:1.8rem;display:flex;gap:.8rem;flex-wrap:wrap}
.cta-form{background:rgba(255,255,255,.04);border:1px solid var(--night-line);border-radius:var(--radius-md);padding:1.6rem;display:flex;flex-direction:column;gap:.9rem;position:relative;z-index:1}
.cta-form label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:rgba(244,242,251,.5);display:block;margin-bottom:.4rem}
.cta-form input,.cta-form select,.cta-form textarea{width:100%;background:rgba(255,255,255,.06);border:1px solid var(--night-line);border-radius:.7rem;padding:.75rem .9rem;color:#fff;font:inherit;font-size:.9rem}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{outline:none;border-color:var(--cyan)}
.cta-form .note{font-size:.76rem;color:rgba(244,242,251,.45)}

/* footer */
footer.site{padding:3rem 0 2rem;color:var(--ink-soft);font-size:.85rem}
footer.site .top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2.4rem;padding-bottom:2.2rem;border-bottom:1px solid var(--line)}
footer.site .brand{display:flex;align-items:center;gap:.55rem;color:var(--ink);font-family:var(--head);font-weight:600;font-size:1.05rem}
footer.site .brand img{width:1.9rem;height:1.9rem;border-radius:50%}
footer.site .cols{display:flex;gap:3.5rem;flex-wrap:wrap}
footer.site .cols h4{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:.8rem}
footer.site .cols a{display:block;margin-bottom:.5rem;color:var(--ink)}
footer.site .cols a:hover{color:var(--pink)}
footer.site .bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem;padding-top:1.6rem}

/* reveal utility (GSAP targets this) — only hidden once JS confirms it will animate;
   if GSAP/CDN fails to load, content stays visible by default (no broken-looking page) */
html.js-ready .reveal{opacity:0;transform:translateY(28px)}

/* nav overlay */
.menu-btn{display:inline-flex;align-items:center;gap:.5rem;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:#f4f2fb;border-radius:var(--radius-pill);padding:.6rem 1rem;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}
@media(min-width:960px){.menu-btn{display:none}}
.nav-overlay{position:fixed;inset:0;z-index:100;background:var(--night);color:#f4f2fb;flex-direction:column;display:none}
.nav-overlay.open{display:flex}
.nav-overlay .top{display:flex;justify-content:space-between;align-items:center;padding:1.5rem clamp(1.25rem,4vw,2.5rem)}
.nav-overlay ul{flex:1;display:flex;flex-direction:column;justify-content:center;padding:0 clamp(1.25rem,4vw,2.5rem);gap:.4rem}
.nav-overlay a{font-family:var(--head);font-size:clamp(2.2rem,8vw,4rem);font-weight:600;color:rgba(244,242,251,.75)}
.nav-overlay a:hover{color:#fff}
.close-btn{border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-pill);padding:.55rem 1rem;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}

.modal-backdrop{position:fixed;inset:0;z-index:110;background:rgba(10,10,22,.55);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;padding:1rem}
.modal-backdrop.open{display:flex}
.modal{width:100%;max-width:30rem;background:#fff;border-radius:var(--radius-lg);padding:2rem;position:relative}
.modal h3{font-size:1.4rem}
.modal p{margin-top:.6rem;color:var(--ink-soft);font-size:.92rem}
.modal .close{position:absolute;top:1rem;right:1rem;width:2.2rem;height:2.2rem;border-radius:50%;background:rgba(18,18,38,.06);display:grid;place-items:center}

/* clients */
.logo-wall{border-radius:var(--radius-lg);overflow:hidden;background:var(--night);border:1px solid var(--night-line);padding:clamp(1.1rem,3vw,2.4rem)}
.logo-wall img{width:100%;height:auto;display:block;filter:brightness(1.12) contrast(1.04)}
.client-note{margin-top:1.5rem;font-size:.9rem;color:var(--ink-soft);max-width:52rem}

/* service card thumbnails */
.svc-card .thumb{margin:-2.2rem -2rem .2rem;aspect-ratio:16/7;overflow:hidden;background:var(--night)}
.svc-card .thumb img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.9) contrast(1.04);transition:transform .7s cubic-bezier(.2,.8,.2,1)}
.svc-card:hover .thumb img{transform:scale(1.05)}
@media(max-width:520px){.svc-card .thumb{aspect-ratio:16/8}}