:root{
      --bg:#0a0a0b; --bg-soft:#101012; --ink:#f2f1ed; --muted:rgba(242,241,237,.55);
      --faint:rgba(242,241,237,.32); --line:rgba(242,241,237,.14);
      --paper:#ece9e1; --paper-ink:#14130f; --paper-muted:#5f5c54; --paper-line:rgba(20,19,15,.14);
      --ease:cubic-bezier(.22,1,.36,1); --gut:clamp(1.25rem,4vw,4rem); --site:1280px;
    }
    *{margin:0;padding:0;box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{background:var(--bg);color:var(--ink);font-family:"Instrument Sans",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.55;overflow-x:hidden}
    ::selection{background:var(--ink);color:var(--bg)}
    a{color:inherit;text-decoration:none}
    img,svg,canvas{display:block;max-width:100%}
    button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
    .wrap{max-width:var(--site);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut)}
    .mono{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
    .idx{color:var(--faint);margin-right:.6em}

    /* grain */
    .grain{position:fixed;inset:-120px;z-index:90;pointer-events:none;opacity:.06;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

    /* header */
    .hd{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:clamp(.9rem,2vw,1.4rem) var(--gut);mix-blend-mode:difference;color:#f2f1ed}
    .hd-logo{flex:0 0 auto;display:flex;align-items:center}
    .hd-logo img{height:30px;width:auto}
    .hd-nav{display:flex;gap:1.8rem;align-items:center}
    .hd-nav a{font-size:.78rem;letter-spacing:.04em;color:#f2f1ed;opacity:.7;transition:opacity .2s}
    .hd-nav a:hover{opacity:1}
    .hd-right{display:flex;align-items:center;gap:1.2rem}
    .lang{display:inline-flex;gap:.3rem;font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.1em}
    .lang a,.lang span[aria-current]{display:inline-flex;align-items:center;color:rgba(242,241,237,.45);padding:.4rem .15rem;min-height:40px;transition:color .2s}
    .lang a:hover{color:#f2f1ed}
    .lang span[aria-current]{color:#f2f1ed;text-decoration:underline;text-underline-offset:4px}
    .hd-apply{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;border:1px solid #f2f1ed;color:#f2f1ed;padding:.6rem 1rem}
    .menu-btn{display:none;font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#f2f1ed;min-height:40px;padding:.4rem .2rem}

    /* hero */
    .hero{min-height:100svh;display:flex;flex-direction:column;justify-content:space-between;align-items:center;text-align:center;position:relative;padding:7rem var(--gut) 1.5rem}
    .hero-inner{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
    .hero-tag{margin-bottom:2rem}
    .hero-tag .geo{display:inline-block;margin-top:.5rem;opacity:.62;letter-spacing:.18em}
    .hero h1{font-size:clamp(1.8rem,4.4vw,3.9rem);font-weight:600;letter-spacing:-.03em;line-height:1.04;max-width:18ch;text-wrap:balance}
    .hero-cta{display:flex;gap:1.6rem;align-items:center;flex-wrap:wrap;justify-content:center;margin-top:2.4rem}
    .btn{display:inline-flex;align-items:center;gap:.7rem;font-family:"IBM Plex Mono",monospace;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;background:var(--ink);color:var(--bg);padding:1rem 1.8rem;transition:background .3s,color .3s}
    .btn:hover{background:var(--muted)}
    .link-u{font-size:.95rem;border-bottom:1px solid var(--faint);padding-bottom:2px;transition:border-color .3s}
    .link-u:hover{border-color:var(--ink)}
    .hero-band{width:100%}
    .hero-band canvas{width:100%;height:clamp(140px,22vh,220px)}

    /* loader */
    .loader{position:fixed;inset:0;z-index:200;background:var(--bg);display:flex;align-items:center;justify-content:center;transition:opacity .6s var(--ease)}
    .loader.done{opacity:0;pointer-events:none}
    .loader canvas{width:min(300px,60vw);height:170px}

    /* sections */
    section{border-top:1px solid var(--line)}
    .pad{padding:clamp(4.5rem,12vh,9rem) 0}
    .shead{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap;margin-bottom:clamp(2.5rem,6vh,4.5rem)}
    .statement{font-size:clamp(1.9rem,4.5vw,3.6rem);font-weight:600;letter-spacing:-.03em;line-height:1.06;max-width:22ch;text-wrap:balance}
    .sub{color:var(--muted);max-width:46ch;margin-top:1.6rem;font-size:clamp(1rem,1.3vw,1.15rem)}
    .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
    .reveal.in{opacity:1;transform:none}
    .sep{height:74px;border-top:1px solid var(--line)}
    .sep canvas{width:100%;height:100%}

    /* develop */
    .dev-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
    @media (max-width:1040px){.dev-grid{grid-template-columns:1fr 1fr}}
    .dev-col{background:var(--bg);padding:clamp(1.6rem,2.5vw,2.4rem)}
    .dev-col .n{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--faint)}
    .dev-col h3{margin-top:1.4rem;font-size:clamp(1.4rem,2.2vw,2rem);font-weight:600;letter-spacing:-.02em}
    .dev-col p{margin-top:1.1rem;color:var(--muted)}
    .dev-col ul{margin-top:1.3rem;list-style:none;display:flex;flex-direction:column;gap:.5rem;font-size:.9rem;color:var(--muted)}
    .dev-col li::before{content:"—";color:var(--ink);margin-right:.6em}
    .dev-focus{display:grid;grid-template-columns:1.6fr 1fr;gap:2rem;align-items:end;margin-top:clamp(2.5rem,5vh,4rem);border-top:1px solid var(--line);padding-top:clamp(2rem,4vh,3rem)}
    .dev-focus p{font-size:clamp(1.3rem,2vw,1.8rem);font-weight:500;letter-spacing:-.01em;line-height:1.2}
    .dev-focus .r{justify-self:end}

    /* work */
    .work-wrap{position:relative;border-bottom:1px solid var(--line)}
    .work-bg{position:absolute;inset:0;opacity:0;transition:opacity .5s var(--ease);pointer-events:none}
    .work-bg canvas{width:100%;height:100%}
    .work-list{position:relative;list-style:none}
    .work-list a{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--line);padding:clamp(1rem,2.4vh,1.6rem) 0;transition:color .35s var(--ease),padding-left .35s var(--ease)}
    .work-list:hover a{color:var(--faint)}
    .work-list a:hover{color:var(--ink);padding-left:.7rem}
    .work-list .t{font-size:clamp(1.9rem,5.4vw,3.8rem);font-weight:600;letter-spacing:-.03em;line-height:1}
    .work-list .m{font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

    /* founders — light respiration */
    .light{background:var(--paper);color:var(--paper-ink)}
    .light .mono{color:var(--paper-muted)} .light .idx{color:rgba(20,19,15,.3)}
    .founders{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,4vw,4rem)}
    .founder img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(1) contrast(1.05)}
    .founder h3{margin-top:1.4rem;font-size:clamp(1.4rem,2.2vw,2rem);font-weight:600;letter-spacing:-.02em}
    .founder p{margin-top:.9rem;color:var(--paper-muted);max-width:44ch;line-height:1.65}
    .founder .role{margin-top:.5rem;color:var(--paper-ink);opacity:.5}
    .founder h3{margin-top:1.4rem}
    .about{max-width:48ch;color:var(--paper-muted);font-size:clamp(1.05rem,1.4vw,1.25rem);margin-top:1.4rem}

    /* cities */
    .cities{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,2.5rem)}
    .city .tile{background:var(--bg-soft)}
    .city canvas{width:100%;aspect-ratio:3/2;display:block}
    .city .row{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);margin-top:1.2rem;padding-top:1rem}
    .city h3{font-size:clamp(1.4rem,2.2vw,2rem);font-weight:600;letter-spacing:-.02em}
    .city .co{font-family:"IBM Plex Mono",monospace;font-size:.62rem;letter-spacing:.12em;color:var(--faint)}
    .city .d{margin-top:1rem;font-size:.9rem;color:var(--muted)}

    /* apply + footer */
    .apply h2{font-size:clamp(2rem,5vw,4.5rem);font-weight:600;letter-spacing:-.035em;line-height:1.04;max-width:14ch}
    .apply .row{display:flex;gap:2rem;align-items:center;flex-wrap:wrap;margin-top:2.4rem}
    .apply .row p{max-width:34ch;color:var(--muted);font-size:.95rem}
    footer .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:2.5rem;padding-top:clamp(3rem,6vh,5rem)}
    footer nav{display:flex;flex-direction:column;gap:.5rem}
    footer a{color:var(--muted);font-size:.9rem;transition:color .2s} footer a:hover{color:var(--ink)}
    footer .ft-logo{width:min(560px,72%);margin-bottom:2.5rem;opacity:.95}
    footer .base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;border-top:1px solid var(--line);margin-top:2.5rem;padding:1.4rem 0}

    a:focus-visible,button:focus-visible{outline:1.5px solid var(--ink);outline-offset:3px}

    @media (max-width:860px){
      .menu-btn{display:inline-flex}
      .dev-grid,.cities,.founders{grid-template-columns:1fr}
      .dev-focus{grid-template-columns:1fr} .dev-focus .r{justify-self:start}
      .hd-apply{display:none}

      /* mobile nav: full-screen panel, escapes the header's difference blend so it reads as a true solid panel */
      .hd-logo,.hd-right{position:relative;z-index:65}
      body.nav-open .hd{mix-blend-mode:normal}
      .hd-nav{
        position:fixed;inset:0;z-index:58;
        display:flex;flex-direction:column;justify-content:center;gap:1.5rem;
        padding:7rem var(--gut) 3rem;background:#0a0a0b;
        transform:translateX(100%);transition:transform .45s var(--ease);
        overflow-y:auto;
      }
      body.nav-open .hd-nav{transform:none}
      body.nav-open{overflow:hidden}
      .hd-nav a{font-size:1.7rem;font-weight:500;letter-spacing:-.01em;opacity:1;color:#f2f1ed}
      body.nav-open .hd-apply{
        display:inline-flex;position:fixed;left:var(--gut);right:var(--gut);bottom:2rem;z-index:64;
        justify-content:center;background:#f2f1ed;color:#0a0a0b;border-color:#f2f1ed;
      }
    }
    @media (prefers-reduced-motion:reduce){body.nav-open .hd-nav{transition:none}}
    @media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ===== Thème clair (pages sur fond blanc) ===== */
body.theme-light{
  --bg:#f4f2ec; --bg-soft:#ece9e1; --ink:#14130f;
  --muted:rgba(20,19,15,.62); --faint:rgba(20,19,15,.4); --line:rgba(20,19,15,.14);
}
body.theme-light .grain{opacity:.05}
body.theme-light footer .ft-logo{filter:invert(1)}
body.theme-light .btn{background:var(--ink);color:var(--bg)}
body.theme-light .btn:hover{background:var(--muted)}

/* Dark island (hero) inside a light page */
.dark-block{
  --bg:#0a0a0b; --bg-soft:#101012; --ink:#f2f1ed;
  --muted:rgba(242,241,237,.55); --faint:rgba(242,241,237,.32); --line:rgba(242,241,237,.14);
  background:var(--bg); color:var(--ink);
}
/* no border line stuck at the very top */
main > section:first-child, main > .hero:first-child{border-top:0}


/* Cookie / info banner (RGPD) */
.ck{position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:120;max-width:660px;margin:0 auto;background:#0a0a0b;color:#f2f1ed;border:1px solid rgba(242,241,237,.16);padding:1rem 1.1rem;display:flex;gap:1rem 1.2rem;align-items:center;flex-wrap:wrap;box-shadow:0 10px 44px rgba(0,0,0,.4);transform:translateY(160%);transition:transform .5s cubic-bezier(.22,1,.36,1)}
.ck.in{transform:none}
.ck p{margin:0;font-size:.82rem;line-height:1.55;color:rgba(242,241,237,.72);flex:1 1 260px}
.ck a{color:#f2f1ed;border-bottom:1px solid rgba(242,241,237,.4)}
.ck .ck-ok{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;background:#f2f1ed;color:#0a0a0b;border:0;padding:.6rem 1.2rem;cursor:pointer;transition:opacity .2s}
.ck .ck-ok:hover{opacity:.82}
.legal-links a{white-space:nowrap}
@media(max-width:520px){.ck{padding:.9rem;left:.6rem;right:.6rem}}
@media(prefers-reduced-motion:reduce){.ck{transition:none}}


/* Hero : photo d'enceinte en fond (texture + identité) */
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 45%;filter:grayscale(1) contrast(1.06);opacity:.55}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,11,.78) 0%,rgba(10,10,11,.5) 40%,rgba(10,10,11,.72) 72%,rgba(10,10,11,.95) 100%)}
.hero-inner,.hero-band{position:relative;z-index:1}

/* Bandeau de confiance */
.trust-band{padding:1.6rem 0}
.trust{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:1rem 1.8rem}
.trust-label{color:rgba(242,241,237,.45);font-size:.68rem}
.trust-logos{display:inline-flex;align-items:center;gap:1.9rem;flex-wrap:wrap;justify-content:center}
/* hauteurs calées à l'oeil : Sony est un logo empilé, les deux autres sont larges */
.lg{width:auto;opacity:.9}
.lg-onblack{height:40px;mix-blend-mode:screen;filter:grayscale(1) brightness(1.7) contrast(1.1)}
.lg-onlight{height:21px;filter:invert(1) grayscale(1) brightness(1.25);mix-blend-mode:screen}
.lg-warner{height:25px}
.lg-txt{font-family:"Instrument Sans",sans-serif;font-size:.95rem;font-weight:600;color:#f2f1ed;letter-spacing:.01em}
.trust-i{display:inline-flex;align-items:baseline;gap:.5rem;font-family:"IBM Plex Mono",monospace;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(242,241,237,.6)}
.trust-i b{font-family:"Instrument Sans",sans-serif;font-size:1.05rem;font-weight:600;letter-spacing:-.01em;text-transform:none;color:#f2f1ed}
.trust-sep{width:1px;height:26px;background:rgba(242,241,237,.2)}
@media(max-width:820px){.trust-sep{display:none}.trust{gap:.9rem 1.3rem}.trust-logos{gap:1.4rem}}