/* Generic System — editorial and documentation site, no remote font */
:root{
  --void:#090d18; --void-soft:#111827; --panel:#151e30; --paper:#f5f7f7;
  --surface:#fff; --ink:#111827; --muted:#5f6878; --line:#dce2e7;
  --cyan:#00a9c7; --cyan-light:#62e7ef; --violet:#7658ff; --lime:#a6f16c;
  --code:#0d1423; --radius:20px; --shadow:0 22px 70px rgba(7,14,28,.12);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
body{background:var(--paper);color:var(--ink);font:17px/1.7 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}
.container{width:min(1160px,calc(100% - 2.5rem));margin-inline:auto}
a{color:#087d93;text-decoration-thickness:.08em;text-underline-offset:.18em}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:4px}
img{max-width:100%;height:auto}

/* Navigation */
header.site{position:sticky;top:0;z-index:30;background:rgba(9,13,24,.94);border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(16px)}
.nav-bar{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.brand{display:flex;align-items:center;color:#fff;text-decoration:none;white-space:nowrap}
.brand-logo{display:block;width:145px;height:auto}
nav.main ul{display:flex;align-items:center;gap:.1rem;list-style:none;padding:0}
nav.main a{display:block;padding:.55rem .67rem;color:#cbd2de;text-decoration:none;font-size:.88rem;font-weight:620;border-radius:9px}
nav.main a:hover,nav.main a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.09)}
nav.main a.nav-feature{margin-left:.25rem;color:var(--void);background:var(--cyan-light);padding-inline:.9rem}
nav.main a.nav-feature:hover{background:#fff;color:var(--void)}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.25);border-radius:9px;color:#fff;padding:.45rem .75rem;font:inherit;cursor:pointer}

/* Hero and type */
main{padding-bottom:5rem}.hero{position:relative;padding:6.5rem 0 4.5rem;margin-bottom:3rem}
.hero-home{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:clamp(2rem,6vw,6rem);align-items:center}
.eyebrow,.kicker{display:flex;align-items:center;gap:.65rem;margin-bottom:1rem;color:#087d93;font-size:.75rem;font-weight:850;letter-spacing:.15em;text-transform:uppercase}
.eyebrow::before,.kicker::before{content:"";width:25px;height:2px;background:linear-gradient(90deg,var(--violet),var(--cyan))}
h1,h2,h3,h4{font-weight:760;letter-spacing:-.035em;text-wrap:balance}
h1{font-size:clamp(2.7rem,6vw,5.35rem);line-height:1;max-width:17ch;margin-bottom:1.5rem}
h2{font-size:clamp(1.8rem,3.8vw,3rem);line-height:1.1;max-width:24ch;margin:3.5rem 0 1.2rem}
h3{font-size:1.3rem;line-height:1.25;margin:2rem 0 .7rem}h4{font-size:1.05rem;margin:1.6rem 0 .55rem}
p{max-width:74ch;margin-bottom:1rem}.lead{font-size:clamp(1.12rem,2vw,1.36rem);line-height:1.55;color:#4d5868;max-width:67ch}
.actions{display:flex;gap:.75rem;flex-wrap:wrap;margin:2rem 0 0}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.7rem 1.15rem;border:1px solid var(--cyan);border-radius:10px;text-decoration:none;font-weight:760;transition:transform .16s ease,background .16s ease}
.button:hover{transform:translateY(-2px)}.button.primary{background:var(--void);border-color:var(--void);color:#fff}.button.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.button.quantum{background:linear-gradient(115deg,var(--violet),var(--cyan));border:0;color:#fff}

/* Homepage visual */
.graph-window{position:relative;overflow:hidden;background:var(--void);border-radius:26px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.1)}
.graph-window::before{content:"LIVE GRAPH";position:absolute;z-index:2;top:1rem;left:1rem;padding:.3rem .55rem;border-radius:999px;background:rgba(9,13,24,.78);color:var(--cyan-light);font-size:.65rem;font-weight:800;letter-spacing:.12em}
.graph-window img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92}
.graph-caption{padding:1rem 1.2rem;color:#aeb8c8;font-size:.8rem;background:var(--void)}

/* Sections and cards */
section{margin-bottom:5rem}.section-intro{font-size:1.08rem;color:var(--muted);max-width:67ch;margin-bottom:2rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2rem 0}
.card{padding:1.55rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 35px rgba(7,14,28,.045)}
.card-index{display:grid;place-items:center;width:34px;height:34px;margin-bottom:1.35rem;border-radius:50%;background:#e3fbfd;color:#087d93;font-size:.75rem;font-weight:850}
.card h3{margin-top:0}.card p,.card li{color:var(--muted);font-size:.95rem}.card ul{padding-left:1.1rem}.card li+li{margin-top:.45rem}
.feature{position:relative;overflow:hidden;padding:clamp(2rem,5vw,4.5rem);border-radius:26px;background:var(--void);color:#fff;box-shadow:var(--shadow)}
.feature::after{content:"ψ";position:absolute;right:.03em;bottom:-.25em;color:rgba(98,231,239,.05);font:800 22rem/1 Georgia,serif}
.feature>*{position:relative;z-index:1}.feature .kicker{color:var(--cyan-light)}.feature h2{margin-top:0}.feature p{color:#cbd3df}.feature strong{color:#fff}.feature code{color:var(--ink)}
.feature-grid,.two-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,6vw,5rem);align-items:start}
.feature-grid>*,.two-columns>*{min-width:0}
.feature-note{border-left:2px solid var(--cyan);padding-left:1.2rem}
.principle{padding:1.2rem 0;border-top:1px solid var(--line)}.principle strong{display:block;margin-bottom:.3rem}.principle p{color:var(--muted);font-size:.95rem}
.quote{font-size:clamp(1.35rem,2.8vw,2rem);line-height:1.35;font-weight:650;letter-spacing:-.03em}
.cta{padding:clamp(2rem,5vw,3.5rem);border-radius:var(--radius);background:linear-gradient(120deg,#5c44e8,#008da8);color:#fff;box-shadow:var(--shadow)}.cta h2{margin-top:0}.cta p{color:#e7e9ff}.cta .button{background:#fff;border-color:#fff;color:var(--void)}

/* Video and tutorial media */
.video-frame{position:relative;overflow:hidden;margin:2rem 0;border-radius:var(--radius);background:#000;box-shadow:var(--shadow);aspect-ratio:16/9}
.video-frame iframe{display:block;width:100%;height:100%;border:0}
.video-block{min-width:0}.video-block .video-frame{margin-bottom:.65rem}.video-fallback{margin:0;color:var(--muted);font-size:.82rem;text-align:right}.video-fallback a{font-weight:700}
.media-step{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:2rem;align-items:center;margin:2.5rem 0;padding:1.25rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.media-step.reverse{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr)}.media-step.reverse .media-copy{order:-1}
.media-step figure,.illus{margin:0}.media-step img,.illus img{display:block;width:100%;height:auto;border-radius:13px;border:1px solid var(--line)}
figcaption{margin-top:.65rem;color:var(--muted);font-size:.78rem;line-height:1.45}
.tutorial-step{display:inline-flex;align-items:center;gap:.5rem;color:#087d93;font-size:.72rem;font-weight:850;letter-spacing:.13em;text-transform:uppercase}
.tutorial-step span{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e3fbfd}
.legacy-warning,.historique,.notice{margin:1.5rem 0;padding:1rem 1.2rem;border-left:3px solid var(--violet);background:#f0edff;color:#535d6c;border-radius:0 10px 10px 0}

/* Long-form documentation */
main>.container>pre,main>.container>p,main>.container>h2,main>.container>h3,main>.container>h4,main>.container>ul,main>.container>ol{max-width:820px}
pre{max-width:100%!important;margin:1.2rem 0 1.8rem;background:var(--code);color:#dce7f5;border:1px solid #26344a;border-radius:14px;padding:1.15rem;overflow:auto;font:.86rem/1.58 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;tab-size:2}
code{font:.88em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#e8edf1;border-radius:4px;padding:.08em .32em}pre code{font:inherit;background:none;padding:0}
main>.container>ul,main>.container>ol{padding-left:1.25rem;margin-bottom:1.2rem}main>.container>li+li{margin-top:.4rem}
.rubrique-nav{margin:0 0 2.5rem;padding:1rem 1.15rem;border:1px solid var(--line);border-radius:13px;background:var(--surface)}
.rubrique-nav-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:.6rem}.rubrique-nav ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.35rem .9rem}.rubrique-nav a{text-decoration:none;font-size:.9rem}.rubrique-nav a[aria-current="page"]{font-weight:750;color:var(--ink)}
.source-note{font-size:.78rem;color:var(--muted);margin-top:2.5rem;padding-top:1rem;border-top:1px solid var(--line)}
.table-wrap{overflow:auto;margin:1.2rem 0}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{border:1px solid var(--line);padding:.65rem .8rem;text-align:left;vertical-align:top}th{background:#e9eef1}

/* Live Snapshot explanations */
.signal-flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.65rem;align-items:stretch;margin:2rem 0}.signal-flow .flow-node{display:grid;place-items:center;min-height:92px;padding:1rem;text-align:center;border-radius:14px;background:var(--surface);border:1px solid var(--line);color:var(--ink);font-size:.88rem;font-weight:760;line-height:1.35}.signal-flow .flow-node code{color:var(--ink)}.signal-flow .flow-node.emphasis{color:#fff;background:linear-gradient(135deg,#5c44e8,#008da8);border:0}.signal-flow .flow-node.emphasis code{background:rgba(255,255,255,.16);color:#fff}.signal-flow .flow-arrow{display:grid;place-items:center;color:var(--cyan);font-size:1.5rem}.sensor-flow{grid-template-columns:minmax(0,1fr) auto minmax(0,1.25fr) auto minmax(0,1fr) auto minmax(0,1.25fr)}.snapshot-card{padding:1.5rem;border:1px solid rgba(98,231,239,.32);border-radius:var(--radius);background:linear-gradient(135deg,#111d34,#0a1120);color:#edf6ff;box-shadow:var(--shadow)}.snapshot-card h3{margin-top:0}.snapshot-card p{color:#c5d2e2}.snapshot-parts{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem;margin-top:1.2rem}.snapshot-parts span{padding:.8rem;border-radius:10px;background:rgba(255,255,255,.08);font-size:.82rem;font-weight:730}.snapshot-parts strong{display:block;color:var(--cyan-light);font-size:.7rem;letter-spacing:.09em;text-transform:uppercase}.contrast{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2rem 0}.contrast article{padding:1.35rem;border-radius:14px;border:1px solid var(--line);background:var(--surface)}.contrast article:first-child{border-top:3px solid var(--cyan)}.contrast article:last-child{border-top:3px solid #aab2bd}.contrast h3{margin-top:0}.contrast p{color:var(--muted);font-size:.93rem}.live-branches{display:grid;grid-template-columns:1fr auto 1fr;gap:1rem;align-items:center;margin:2rem 0}.live-core{display:flex;align-items:center;justify-content:center;gap:.65rem;padding:1.05rem 1.3rem;border-radius:14px;text-align:center;color:#fff;background:linear-gradient(135deg,#5c44e8,#008da8);font-weight:800}.snapshot-mark{display:block;width:38px;height:38px;object-fit:contain;filter:drop-shadow(0 2px 5px rgba(0,0,0,.22))}.live-branch{padding:1.25rem;border-radius:14px;border:1px solid var(--line);background:var(--surface)}.live-branch h3{margin-top:0}.live-branch p{margin:0;color:var(--muted);font-size:.9rem}.live-branch code{white-space:nowrap}.production-loop{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.7rem;align-items:center;margin:2rem 0;padding:1rem;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(135deg,#f8fbfc,#eef6f8)}.loop-node{position:relative;min-height:146px;padding:1.1rem;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 8px 22px rgba(7,14,28,.06)}.loop-node strong{display:grid;place-items:center;width:27px;height:27px;margin-bottom:.7rem;border-radius:50%;background:#e3fbfd;color:#087d93;font-size:.74rem}.loop-node span{display:block;font-weight:850;font-size:.92rem;letter-spacing:-.02em}.loop-node p{margin:.25rem 0 0;color:var(--muted);font-size:.82rem;line-height:1.35}.loop-node.verify{border-color:#8ee0e8;background:#f2feff}.loop-node.verify strong{background:linear-gradient(135deg,#5c44e8,#008da8);color:#fff}.loop-arrow{display:grid;place-items:center;color:#087d93;font-size:1.35rem}.loop-return{grid-column:1/-1;justify-self:end;margin:-.15rem .4rem 0;color:#087d93;font-size:.78rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}

/* Footer */
footer.site{padding:3.2rem 0;background:var(--void);color:#aeb8c8;font-size:.88rem}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:2rem}footer.site strong,footer.site a{color:#fff}footer.site p{margin-bottom:.35rem}.footer-label{color:var(--cyan-light);font-size:.7rem;font-weight:850;letter-spacing:.13em;text-transform:uppercase;margin-bottom:.7rem}

@media(max-width:960px){
  .nav-bar{flex-wrap:wrap;padding:.7rem 0}.nav-toggle{display:block}nav.main{display:none;width:100%}nav.main.open{display:block}nav.main ul{align-items:stretch;flex-direction:column;padding:.25rem 0 .8rem}nav.main a{font-size:1rem;padding:.65rem .75rem}nav.main a.nav-feature{margin:.2rem 0 0}
  .hero-home,.cards,.feature-grid,.two-columns{grid-template-columns:minmax(0,1fr)}.hero-home .graph-window{max-width:720px}.media-step,.media-step.reverse{grid-template-columns:1fr}.media-step.reverse .media-copy{order:initial}
  .signal-flow,.sensor-flow{grid-template-columns:1fr}.signal-flow .flow-arrow{transform:rotate(90deg);min-height:22px}.live-branches{grid-template-columns:1fr}.live-core{order:-1}.production-loop{grid-template-columns:1fr}.loop-arrow{transform:rotate(90deg);min-height:18px}.loop-return{grid-column:auto;justify-self:center;margin:0}
}
@media(max-width:620px){
  body{font-size:16px}.container{width:min(100% - 1.5rem,1160px)}.brand-logo{width:132px;height:auto}.hero{padding:4rem 0 2.5rem}section{margin-bottom:3.5rem}.feature{margin-inline:-.25rem;padding:1.6rem}.footer-grid,.snapshot-parts,.contrast{grid-template-columns:1fr}
}