/* ==========================================================================
   BE IA — socle commun (toutes les pages)
   Jetons, polices, reset, matières, cotes, typographie, boutons, logotype,
   en-tête + menu mobile, pied de page, ruban de mètre, intro, apparitions.
   Le propre à chaque page vit dans accueil.css / pages.css.

   Ossature d'une page :
     <html lang="fr" [data-intro="oui"]> + petit script <head> qui pose html.js
     <a class="skip">  <header class="site-head dark">  <main id="contenu">
       <section class="sec dark|light tex tex-d|tex-l|tex-p [plan|plan-l]">
         <div class="container"> ... </div>
     <footer class="foot dark tex tex-k">
   ========================================================================== */

/* ---------- polices auto-hébergées (latin) ---------- */
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/barlow-condensed-700.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:800;font-display:swap;src:url(../fonts/barlow-condensed-800.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400 600;font-stretch:100%;font-display:swap;src:url(../fonts/plex-sans.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/plex-mono-400.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/plex-mono-500.woff2) format("woff2")}

/* ---------- jetons ---------- */
:root{
  /* Clair (fond pierre bleue, piste B) */
  --pierre:#EBEFF3; --pierre-2:#E0E6ED; --papier:#F7F9FB; --blanc:#FDFEFF;
  --texte:#0E1B2F; --texte-doux:#475467; --trait:#C3CCD7; --trait-2:#A3AFBE;
  /* Accent : bleu encre (piste B) */
  --encre:#17337A; --encre-2:#0F2559; --encre-douce:#D9E2F4;
  /* Sombre (sections nuit, à la place de l'ardoise de C) */
  --nuit:#0C1D3D; --nuit-2:#14305F; --nuit-3:#1B3A70;
  --sur-nuit:#E8EEF8; --sur-nuit-doux:#A9B8D2; --trait-nuit:#2B4676;
  --signal:#8FB0F5;   /* accent lisible SUR la nuit (liens, chiffres, faisceau de la démo) */
  /* États (démos uniquement) */
  --ok:#1F7A4D; --attente:#B5530F;
  /* Typo (piste C), polices auto-hébergées en woff2 dans assets/fonts/ */
  --f-titre:"Barlow Condensed","Oswald","Roboto Condensed","Arial Narrow",Impact,sans-serif;
  --f-texte:"IBM Plex Sans","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --gut:clamp(16px,4vw,40px); --max:1240px;

  /* Outillage du socle (hors charte) */
  --nuit-0:#081631;            /* pied de page, un cran sous la nuit */
  --focus:var(--encre);        /* anneau de focus : redéfini à --signal sous .dark */
  --header-h:66px;
  --grain-l:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='f' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .05  0 0 0 0 .12  0 0 0 0 .27  0 0 0 1.1 -.42'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)'/%3E%3C/svg%3E");
  --grain-d:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='f' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .78  0 0 0 0 .88  0 0 0 0 1  0 0 0 .9 -.4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)'/%3E%3C/svg%3E");
  --blot:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cfilter id='b' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.006 .009' numOctaves='3' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .2  0 0 0 0 .3  0 0 0 0 .5  0 0 0 1.4 -.55'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23b)'/%3E%3C/svg%3E");
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--pierre);color:var(--texte);font:400 17px/1.55 var(--f-texte);-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg,video{max-width:100%}
a{color:inherit}
p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.dark{--focus:var(--signal);color:var(--sur-nuit)}
.light{color:var(--texte)}
.skip{position:absolute;left:12px;top:-70px;z-index:2000;background:var(--blanc);color:var(--nuit);padding:10px 14px;font-weight:600;text-decoration:none;border:2px solid var(--encre)}
.skip:focus{top:12px}
.vh{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- mise en page ---------- */
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.container--large{max-width:1360px}
.container--etroit{max-width:860px}
.sec{position:relative;padding-block:clamp(60px,9vw,116px)}
section[id]{scroll-margin-top:calc(var(--header-h) + 2px)}

/* ---------- matières : pierre bleue, nuit, grille de plan ---------- */
.tex{position:relative;isolation:isolate}
.tex::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none}
.tex-l{background-color:var(--pierre);background-image:radial-gradient(ellipse 70% 50% at 15% 10%,rgba(255,255,255,.34),transparent 70%),radial-gradient(ellipse 60% 60% at 90% 85%,rgba(23,51,122,.07),transparent 70%)}
.tex-l::before{background:var(--blot) 0 0/600px 600px,var(--grain-l) 0 0/220px 220px;opacity:.3}
.tex-p{background-color:var(--papier)}
.tex-p::before{background:var(--grain-l) 0 0/220px 220px;opacity:.16}
.tex-d{background-color:var(--nuit);background-image:radial-gradient(ellipse 60% 60% at 80% 0%,rgba(143,176,245,.09),transparent 70%)}
.tex-d::before{background:var(--blot) 0 0/600px 600px,var(--grain-d) 0 0/220px 220px;opacity:.09}
.tex-k{background-color:var(--nuit-0)}
.tex-k::before{background:var(--grain-d) 0 0/220px 220px;opacity:.06}
.plan{background-image:linear-gradient(rgba(143,176,245,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(143,176,245,.05) 1px,transparent 1px),linear-gradient(rgba(143,176,245,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(143,176,245,.1) 1px,transparent 1px);background-size:24px 24px,24px 24px,120px 120px,120px 120px}
.plan-l{background-image:linear-gradient(rgba(23,51,122,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,51,122,.055) 1px,transparent 1px),linear-gradient(rgba(23,51,122,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(23,51,122,.1) 1px,transparent 1px);background-size:24px 24px,24px 24px,120px 120px,120px 120px}

/* ---------- cotes (lignes de cote façon plan) ---------- */
.cote{display:flex;align-items:center;gap:10px;color:var(--cote,rgba(232,238,248,.6));font:500 11px/1 var(--f-mono);letter-spacing:.04em}
.light .cote{--cote:#5d6d86}
.cote i{flex:1;height:1px;background:currentColor;position:relative}
.cote i::before,.cote i::after{content:"";position:absolute;background:currentColor}
.cote i::before{top:-9px;height:19px;width:1px}
.cote i::after{top:-5px;height:11px;width:1.5px;transform:rotate(45deg)}
.cote i:first-child::before,.cote i:first-child::after{left:0}
.cote i:last-child::before,.cote i:last-child::after{right:0}
.cote.v{flex-direction:column;height:100%}
.cote.v i{width:1px;height:auto;flex:1}
.cote.v i::before{top:auto;left:-9px;width:19px;height:1px}
.cote.v i::after{top:auto;left:-5px;width:11px;height:1.5px;transform:rotate(45deg)}
.cote.v i:first-child::before,.cote.v i:first-child::after{top:0;left:-9px}
.cote.v i:first-child::after{left:-5px}
.cote.v i:last-child::before,.cote.v i:last-child::after{top:auto;bottom:0;right:auto;left:-9px}
.cote.v i:last-child::after{left:-5px}
.cote.v b{writing-mode:vertical-rl;transform:rotate(180deg);font-weight:500}
.rule{display:inline-block;width:56px;height:1px;background:currentColor;position:relative;vertical-align:middle;margin-right:12px;opacity:.7}
.rule::before,.rule::after{content:"";position:absolute;top:-6px;width:1px;height:13px;background:currentColor}
.rule::before{left:0}.rule::after{right:0}

/* ---------- typographie ---------- */
h1,h2,h3{text-wrap:balance;font-family:var(--f-titre);text-transform:uppercase;margin:0;font-weight:700;letter-spacing:.005em}
h1{font-size:clamp(2.6rem,6vw,4.9rem);line-height:.95;font-weight:800}
h2{font-size:clamp(2.1rem,4.8vw,3.75rem);line-height:1.06}
h3{font-size:1.5rem;line-height:1.05}
.dark h1,.dark h2,.dark h3,.dark strong{color:var(--blanc)}
.light h1,.light h2,.light h3{color:var(--texte)}
.kicker{font:500 12.5px/1.3 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:22px}
.kicker::before{content:"";flex:none;width:10px;height:10px;background:var(--encre);outline:1.5px solid currentColor;outline-offset:2px}
.dark .kicker{color:var(--signal)}
.dark .kicker::before{background:var(--signal)}
.light .kicker{color:var(--encre)}
.kicker--regle::before{display:none}
.kicker .rule{margin:0}               /* surtitre remplacé par une simple règle graduée */
.lead{font-size:clamp(1.05rem,1.5vw,1.2rem);line-height:1.55}
.txt{font-size:1.0625rem;line-height:1.6}
.dark .lead,.dark .txt{color:var(--sur-nuit-doux)}
.light .lead,.light .txt{color:var(--texte-doux)}
.mark{background:var(--encre);color:#fff;padding:0 .18em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.dark .mark{background:var(--signal);color:var(--nuit)}
.mark.nb{white-space:nowrap}
.fine{font:500 13px/1.4 var(--f-mono);letter-spacing:.02em}
.dark .fine{color:var(--sur-nuit-doux)}
.light .fine{color:var(--texte-doux)}
/* liens : un filet discret au repos, un trait plein qui se trace de gauche à droite au survol */
.lien,.lt{--lt:rgba(232,238,248,.42);--lth:var(--signal);color:inherit;text-decoration:none;padding-bottom:2px;
  background-image:linear-gradient(var(--lth),var(--lth)),linear-gradient(var(--lt),var(--lt));background-repeat:no-repeat;background-position:0 100%,0 100%;background-size:0 2px,100% 1px;
  transition:background-size .38s cubic-bezier(.2,.7,.2,1),color .2s}
.light .lien,.light .lt{--lt:rgba(14,27,47,.36);--lth:var(--encre)}
.lien:hover,.lt:hover,.lien:focus-visible,.lt:focus-visible{background-size:100% 2px,100% 1px}
.dark .lien:hover{color:var(--signal)}
.light .lien:hover{color:var(--encre)}
@media (prefers-reduced-motion:reduce){.lien,.lt{transition:none}}

/* ---------- boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 16px/1.1 var(--f-texte);text-decoration:none;padding:16px 24px;min-height:52px;border-radius:3px;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,color .15s,box-shadow .15s,border-color .15s;text-align:center}
.btn svg{width:18px;height:18px;flex:none;fill:currentColor}
.btn-primary{position:relative;overflow:hidden;isolation:isolate;background:var(--encre);color:#fff;border-color:var(--nuit);box-shadow:4px 4px 0 var(--nuit)}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--nuit);background:var(--encre-2)}
.btn-primary:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--nuit)}
.dark .btn-primary{background:var(--signal);color:var(--nuit);border-color:var(--signal);box-shadow:4px 4px 0 rgba(143,176,245,.3)}
.dark .btn-primary:hover{background:#A6C0F8;border-color:#A6C0F8;box-shadow:6px 6px 0 rgba(143,176,245,.42)}
.dark .btn-primary:active{box-shadow:1px 1px 0 rgba(143,176,245,.42)}
.btn-ghost{background:transparent;color:inherit;border-color:var(--trait-2)}
.btn-ghost:hover{border-color:var(--encre);color:var(--encre)}
.dark .btn-ghost{border-color:rgba(232,238,248,.5)}
.dark .btn-ghost:hover{border-color:var(--signal);color:var(--signal)}
.btn-grand{font-size:18px;padding:20px 34px}
/* brillance du bouton principal au survol (jamais sur une image) */
.btn-primary::after{content:"";position:absolute;top:-10%;bottom:-10%;left:0;width:46%;z-index:1;pointer-events:none;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:translateX(-150%) skewX(-18deg)}
.btn-primary:hover::after,.btn-primary:focus-visible::after{transform:translateX(330%) skewX(-18deg);transition:transform .8s cubic-bezier(.3,.6,.3,1)}
@media (prefers-reduced-motion:reduce){.btn{transition:none}.btn-primary:hover,.btn-primary:active{transform:none}.btn-primary::after{display:none}}

/* ---------- logotype typographique ---------- */
.logo{display:inline-flex;align-items:center;position:relative;font:800 31px/1 var(--f-titre);letter-spacing:.03em;text-transform:uppercase;color:#fff;text-decoration:none;padding-bottom:9px}
.logo b{font-weight:800;background:var(--signal);color:var(--nuit);padding:3px 7px 1px 8px;margin-left:6px;letter-spacing:.04em}
.logo .cote{position:absolute;left:0;right:0;bottom:0;height:8px;--cote:rgba(232,238,248,.5)}
.logo .cote i::before{top:-4px;height:9px}
.logo .cote i::after{top:-2px;height:6px}
.logo.sur-clair{color:var(--nuit)}
.logo.sur-clair b{background:var(--encre);color:#fff}
.logo.sur-clair .cote{--cote:var(--trait-2)}
.logo.xl{font-size:clamp(76px,16vw,150px);padding-bottom:0;letter-spacing:.02em}
.logo.xl b{padding:0 .12em;margin-left:.09em}

/* ---------- en-tête collant + menu (V3 : panneau « Fonctions », compact après 40 px) ----------
   Le fond vit sur ::before : il se resserre (transform) et devient translucide (html.scrolled, posé par commun.js)
   sans jamais changer la hauteur réelle de l'en-tête, donc sans saut de page. */
.site-head{position:sticky;top:0;z-index:50;isolation:isolate}
.site-head::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(12,29,61,.96);border-bottom:1px solid rgba(143,176,245,.18);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transform-origin:top;transition:transform .35s cubic-bezier(.2,.7,.2,1),background-color .35s,box-shadow .35s}
html.scrolled .site-head::before{background:rgba(12,29,61,.76);box-shadow:0 12px 30px -16px rgba(0,0,0,.6);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%)}
.site-head .logo{transition:transform .35s cubic-bezier(.2,.7,.2,1);transform-origin:left center}
html.scrolled .site-head .logo{transform:scale(.86)}
.head-in{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:var(--header-h);flex-wrap:wrap;padding-block:8px;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
@media (min-width:901px){
  html.scrolled .site-head::before{transform:scaleY(.82)}
  html.scrolled .head-in{transform:translateY(-6px)}
}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{color:var(--sur-nuit);text-decoration:none;font:500 15px/1 var(--f-texte);padding:12px;border-radius:2px;position:relative}
.nav a:hover{color:#fff;background:rgba(143,176,245,.12)}
.nav a[aria-current="true"],.nav a[aria-current="page"]{color:#fff;box-shadow:inset 0 -2px 0 var(--signal)}
.nav a.nav-cta{background:var(--signal);color:var(--nuit);font-weight:600;margin-left:8px;border-radius:3px;box-shadow:none}
.nav a.nav-cta:hover{background:#A6C0F8;color:var(--nuit)}
/* soulignement qui se trace sous les liens du menu */
.nav>a:not(.nav-cta)::after,.nav .nav-fn-lien::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .32s cubic-bezier(.2,.7,.2,1)}
.nav>a:not(.nav-cta):hover::after,.nav .nav-fn-lien:hover::after,.nav-fn.open .nav-fn-lien::after{transform:scaleX(1)}
.nav a[aria-current="true"]:not(.nav-cta),.nav a[aria-current="page"]:not(.nav-cta){box-shadow:none}
.nav>a[aria-current]:not(.nav-cta)::after,.nav .nav-fn-lien[aria-current]::after{transform:scaleX(1)}
.menu-btn{display:none;width:46px;height:46px;border:1.5px solid rgba(232,238,248,.4);background:transparent;color:#fff;border-radius:3px;cursor:pointer;place-items:center;padding:0}
.menu-btn svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:square}

/* menu « Fonctions » : lien + chevron, panneau de 8 processus (2 colonnes sur bureau) */
.nav-fn{display:flex;align-items:center}
.nav .nav-fn-lien{padding-right:6px}
.nav-fn-btn{display:grid;place-items:center;width:30px;height:38px;margin-left:-2px;padding:0;background:transparent;border:0;border-radius:2px;color:var(--sur-nuit);cursor:pointer}
.nav-fn-btn:hover{color:#fff;background:rgba(143,176,245,.12)}
.nav-fn-btn svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:square;transition:transform .28s cubic-bezier(.2,.7,.2,1)}
.nav-fn-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
html:not(.js) .nav-fn-btn{display:none}
.nav-fn-panneau{position:absolute;top:100%;left:50%;translate:-50% 0;width:min(740px,calc(100vw - 2 * var(--gut)));z-index:60;padding:14px 14px 10px;
  background:rgba(9,22,49,.97);border:1px solid rgba(143,176,245,.28);border-top:2px solid var(--signal);border-radius:0 0 8px 8px;box-shadow:0 34px 60px -22px rgba(0,0,0,.75);
  visibility:hidden;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .22s ease,transform .26s cubic-bezier(.2,.7,.2,1),visibility 0s linear .26s}
html.js .nav-fn.open .nav-fn-panneau,html:not(.js) .nav-fn:hover .nav-fn-panneau,html:not(.js) .nav-fn:focus-within .nav-fn-panneau{visibility:visible;opacity:1;transform:none;pointer-events:auto;transition-delay:0s}
.nav-fn-panneau ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 12px}
.nav-fn-panneau li{margin:0}
.nav .nav-fn-panneau li a{display:grid;grid-template-columns:36px minmax(0,1fr);grid-template-areas:"i b" "i s";column-gap:13px;row-gap:3px;align-items:center;padding:10px 12px;border-radius:5px;box-shadow:none;font:inherit;color:var(--sur-nuit)}
.nav .nav-fn-panneau li a::after{display:none}
.nav .nav-fn-panneau li a:hover{background:rgba(143,176,245,.11);color:#fff}
.nav .nav-fn-panneau li a[aria-current="page"]{background:rgba(143,176,245,.14);box-shadow:inset 3px 0 0 var(--signal)}
.nav-fn-panneau li a b{grid-area:b;font:600 15.5px/1.2 var(--f-texte);color:#fff;align-self:end}
.nav-fn-panneau li a span{grid-area:s;font:400 13.5px/1.35 var(--f-texte);color:var(--sur-nuit-doux);align-self:start}
.nav-fn-panneau li a .nav-ic{grid-area:i}
.nav .nav-fn-tout{display:flex;justify-content:flex-end;margin-top:8px;padding:13px 12px 6px;border-top:1px solid var(--trait-nuit);border-radius:0;font:500 13.5px/1 var(--f-mono);letter-spacing:.03em;color:var(--signal);background:transparent;transition:letter-spacing .25s,color .2s}
.nav .nav-fn-tout::after{display:none}
.nav .nav-fn-tout:hover{background:transparent;color:#fff;letter-spacing:.07em}

/* pictos des 8 processus : masque SVG, trait fin façon plan (piste C), couleur = --signal */
.nav-ic{--ic:none;flex:none;position:relative;display:block;width:36px;height:36px;border:1px solid var(--trait-nuit);border-radius:5px;background:rgba(143,176,245,.07);transition:border-color .2s,background-color .2s}
.nav-ic::before{content:"";position:absolute;inset:8px;background:var(--signal);-webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat}
a:hover>.nav-ic,.sel-tab:hover .nav-ic,.sel-tab[aria-selected="true"] .nav-ic{border-color:var(--signal);background:rgba(143,176,245,.18)}
.nav-ic[data-ic="devis"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M6 3h9l4 4v14H6zM15 3v4h4M9 12h7M9 16h7'/%3E%3C/svg%3E")}
.nav-ic[data-ic="signature"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M4 20l1-4L16 5l3 3L8 19zM14 7l3 3M12 21h9'/%3E%3C/svg%3E")}
.nav-ic[data-ic="documents"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M3 6h7l2 2h9v12H3zM3 11h18'/%3E%3C/svg%3E")}
.nav-ic[data-ic="mail"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M3 5h18v14H3zM3 6l9 7 9-7'/%3E%3C/svg%3E")}
.nav-ic[data-ic="planning"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M4 5h16v15H4zM4 10h16M8 3v4M16 3v4M8 14h3'/%3E%3C/svg%3E")}
.nav-ic[data-ic="taches"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M4 4h16v16H4zM8 12.5l3 3 5-6'/%3E%3C/svg%3E")}
.nav-ic[data-ic="paiements"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M3 6h18v12H3zM3 10h18M7 14.5h4'/%3E%3C/svg%3E")}
.nav-ic[data-ic="compta"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M4 20V11M10 20V4M16 20v-7M2 20h20'/%3E%3C/svg%3E")}

@media (max-width:900px){
  .nav{width:100%;justify-content:flex-start;gap:0 4px;padding-bottom:6px}
  .nav a{padding:10px 8px;font-size:14px}
  .nav a.nav-cta{margin-left:0}
  .nav-fn-panneau{display:none}
  html.js .menu-btn{display:grid}
  html.js .nav{display:none;flex-direction:column;align-items:stretch;gap:2px;padding:6px 0 14px;border-top:1px solid rgba(143,176,245,.22)}
  html.js .nav.open{display:flex;flex-wrap:nowrap;max-height:calc(100dvh - var(--header-h) - 12px);overflow-y:auto;overscroll-behavior:contain}
  html.js .nav>*{flex:none}
  html.js .nav a{padding:15px 10px;font-size:17px;border-bottom:1px solid rgba(143,176,245,.14)}
  html.js .nav a.nav-cta{margin-top:10px;text-align:center;border:0}
  .nav>a:not(.nav-cta)::after,.nav .nav-fn-lien::after{left:10px;right:auto;width:36px;bottom:9px}
  html.js .nav-fn{display:grid;grid-template-columns:minmax(0,1fr) 56px;align-items:stretch;border-bottom:1px solid rgba(143,176,245,.14)}
  html.js .nav .nav-fn-lien{border-bottom:0}
  html.js .nav-fn-btn{width:auto;height:auto;margin:0;border-left:1px solid rgba(143,176,245,.14);border-radius:0}
  html.js .nav-fn-btn svg{width:15px;height:15px}
  html.js .nav-fn-panneau{display:none;position:static;translate:none;grid-column:1/-1;width:auto;visibility:visible;opacity:1;transform:none;pointer-events:auto;padding:4px 0 8px;background:rgba(143,176,245,.06);border:0;border-top:0;border-radius:0;box-shadow:none}
  html.js .nav-fn.open .nav-fn-panneau{display:block;animation:pnIn .32s cubic-bezier(.2,.7,.2,1)}
  .nav-fn-panneau ul{grid-template-columns:1fr;gap:0}
  html.js .nav .nav-fn-panneau li a{padding:11px 12px;font-size:inherit;border-bottom:0}
  html.js .nav .nav-fn-tout{margin-top:2px;padding:14px 12px 10px;justify-content:flex-start;border-bottom:0;font-size:14px}
}
@keyframes pnIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .site-head::before,.site-head .logo,.head-in,.nav-fn-panneau,.nav-fn-btn svg,.nav-ic{transition:none}
  html.js .nav-fn.open .nav-fn-panneau{animation:none}
  .nav>a:not(.nav-cta)::after,.nav .nav-fn-lien::after{transition:none}
}

/* ---------- ruban de mètre : l'audace, un seul endroit ---------- */
.tape{position:relative;height:68px;background:linear-gradient(#2749a3,#17337A 42%,#10286a);border-top:2px solid var(--nuit-0);border-bottom:2px solid var(--nuit-0);color:#fff}
.tape-scale{position:absolute;left:18px;right:0;top:0;bottom:0;overflow:hidden;
  background-image:repeating-linear-gradient(90deg,#fff 0 2px,transparent 2px 100px),repeating-linear-gradient(90deg,#fff 0 1.5px,transparent 1.5px 50px),repeating-linear-gradient(90deg,#fff 0 1px,transparent 1px 10px);
  background-size:100% 40px,100% 27px,100% 14px;background-repeat:no-repeat}
.tape-num{display:flex;position:absolute;left:0;top:23px;margin:0;padding:0;list-style:none}
.tape-num li{flex:none;width:100px;padding-left:6px;font:700 25px/1 var(--f-titre);letter-spacing:.01em;color:#fff}
.tape-hook{position:absolute;left:0;top:-9px;bottom:-9px;width:18px;background:linear-gradient(90deg,#d3d9e0,#8b95a3 60%,#626c7a);border:2px solid var(--nuit-0);border-radius:2px 0 0 2px;z-index:2}
.tape-hook::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:#26303f}
.tape::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(rgba(0,0,0,.22),transparent)}
/* V3 : le ruban se déroule (un rideau de la couleur du ruban glisse vers la droite et le découvre ; crochet en tête) */
@media (prefers-reduced-motion:no-preference){
  html.js .tape-scale::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(#2749a3,#17337A 42%,#10286a);background-size:100% 100%;transform:translateX(0);will-change:transform}
  html.js .tape.in .tape-scale::after{transform:translateX(101%);transition:transform 1.5s cubic-bezier(.55,.05,.25,1)}
  html.js .tape:not(.in) .tape-hook{transform:translateX(0)}
}

/* ---------- pied de page ---------- */
.foot{padding-block:44px 52px}
.foot-in{display:grid;grid-template-columns:auto 1fr;gap:20px 48px;align-items:center}
.foot .logo{justify-self:start}
.foot p{font-size:15px;color:var(--sur-nuit-doux)}
.foot ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;padding:18px 0 0;margin:0;grid-column:1/-1;border-top:1px solid var(--trait-nuit)}
.foot ul a{color:var(--sur-nuit);padding:10px 14px 10px 0;display:inline-block;font-size:15px;
  --lt:rgba(232,238,248,.42);text-decoration:none;background-image:linear-gradient(var(--signal),var(--signal)),linear-gradient(var(--lt),var(--lt));background-repeat:no-repeat;background-position:0 calc(100% - 8px),0 calc(100% - 8px);background-size:0 2px,calc(100% - 14px) 1px;transition:background-size .38s cubic-bezier(.2,.7,.2,1),color .2s}
.foot ul a:hover,.foot ul a:focus-visible{color:var(--signal);background-size:calc(100% - 14px) 2px,calc(100% - 14px) 1px}
.foot p a{color:var(--sur-nuit);text-decoration:none;--lt:rgba(232,238,248,.42);--lth:var(--signal);padding-bottom:2px;background-image:linear-gradient(var(--lth),var(--lth)),linear-gradient(var(--lt),var(--lt));background-repeat:no-repeat;background-position:0 100%,0 100%;background-size:0 2px,100% 1px;transition:background-size .38s cubic-bezier(.2,.7,.2,1),color .2s}
.foot p a:focus-visible{background-size:100% 2px,100% 1px}
.foot p a:hover{color:var(--signal);background-size:100% 2px,100% 1px}
@media (max-width:640px){.foot-in{grid-template-columns:1fr}}

/* ---------- intro d'ouverture (~1,5 s) : n'existe que sous html.intro-on ----------
   Garde-fou : le rideau se retire par CSS seul (animation introOut, visibility:hidden en fin de course),
   même si le JS ne tourne jamais. Rien du tout en reduced-motion. */
.intro{display:none}
html.intro-on .intro{display:grid;position:fixed;inset:0;z-index:1000;background:var(--nuit);place-items:center;overflow:hidden;cursor:pointer;animation:introOut 1.5s linear forwards}
html.intro-done .intro{display:none!important}
.intro .plan{position:absolute;inset:0}
.intro-stage{position:relative;width:min(340px,86vw);height:230px}
.iw{position:absolute;left:50%;top:50%;width:150px;height:98px;margin:-49px 0 0 -75px;background:var(--blanc);border-radius:6px;overflow:hidden;opacity:0;box-shadow:0 18px 34px -12px rgba(0,0,0,.7);animation:iwIn .85s cubic-bezier(.65,0,.25,1) forwards}
.iw .t{display:block;padding:6px 8px;background:var(--pierre-2);font:500 10.5px/1 var(--f-mono);color:#2f4160}
.iw .l{display:block;height:6px;margin:8px 8px 0;background:var(--trait)}
.iw .l.s{width:55%}.iw .l.y{background:var(--encre);width:70%}
.iw .cells{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;padding:8px}
.iw .cells i{height:9px;background:var(--trait)}
.iw1{--x:max(-190px,-34vw);--y:-86px;--r:-9deg}
.iw2{--x:min(190px,34vw);--y:-96px;--r:8deg;animation-delay:.04s}
.iw3{--x:max(-200px,-36vw);--y:78px;--r:7deg;animation-delay:.08s}
.iw4{--x:min(200px,36vw);--y:84px;--r:-6deg;animation-delay:.12s}
.iw5{--x:0px;--y:-150px;--r:3deg;animation-delay:.16s}
@keyframes iwIn{
  0%{opacity:0;transform:translate(var(--x),var(--y)) rotate(var(--r)) scale(.9)}
  16%{opacity:1;transform:translate(var(--x),var(--y)) rotate(var(--r)) scale(1)}
  80%{opacity:1;transform:translate(0,0) rotate(0) scale(1)}
  100%{opacity:0;transform:translate(0,0) rotate(0) scale(.96)}
}
.intro-merge{position:absolute;left:50%;top:50%;width:min(320px,84vw);height:200px;margin:-100px 0 0 calc(min(320px,84vw)/-2);background:var(--blanc);border:1px solid #000;border-radius:8px;overflow:hidden;display:grid;grid-template-columns:54px 1fr;opacity:0;box-shadow:0 30px 60px -18px rgba(0,0,0,.8);animation:mergeIn .3s ease-out .66s forwards}
.intro-merge .rail{background:var(--nuit-2)}
.intro-merge .lg{display:grid;place-items:center;background:var(--blanc);border-top:22px solid var(--pierre-2)}
.intro-merge .lg .logo{font-size:56px;padding-bottom:0;opacity:0;transform:translateY(8px);animation:logoIn .34s ease-out .8s forwards}
@keyframes mergeIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}
@keyframes logoIn{to{opacity:1;transform:none}}
@keyframes introOut{0%,84%{opacity:1;visibility:visible}99%{opacity:0;visibility:visible}100%{opacity:0;visibility:hidden;pointer-events:none}}
.intro-skip{position:absolute;top:max(14px,env(safe-area-inset-top));right:14px;width:46px;height:46px;border:1.5px solid rgba(232,238,248,.45);background:transparent;color:#fff;border-radius:3px;cursor:pointer;display:grid;place-items:center;padding:0;z-index:2}
.intro-skip svg{width:20px;height:20px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:square}
@media (prefers-reduced-motion:reduce){.intro{display:none!important}}

/* ---------- animations V3 : primitives communes ----------
   Règle d'or : tout état « caché » vit sous html.js ET sous prefers-reduced-motion:no-preference.
   Sans JS, ou en reduced-motion, la page est complète, lisible et statique.
   Déclencheurs : .rv (fondu + montée) et .an (animation propre au bloc) reçoivent .in via commun.js
   (IntersectionObserver threshold 0 + rattrapage des sauts de défilement). On n'anime que transform / opacity
   (et stroke-dashoffset pour les tracés). */
:root{--w0:.05s}                                  /* décalage des entrées du bandeau (plus long pendant l'intro) */
html.intro-on{--w0:1.1s}
.rv{transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.rv.no-tr{transition:none}
@media (prefers-reduced-motion:no-preference){
  html.js .rv:not(.in){opacity:0;transform:translateY(18px)}
  /* règles de section qui se tracent */
  .rule{transform-origin:left center;transition:transform .9s cubic-bezier(.2,.7,.2,1) .25s}
  html.js .rv:not(.in) .rule{transform:scaleX(0)}
  /* lignes de cote : les deux traits partent des repères d'extrémité vers le chiffre */
  .cote.trace i{transition:transform 1.1s cubic-bezier(.2,.7,.2,1) .15s}
  .cote.trace i:first-child{transform-origin:left center}
  .cote.trace i:last-child{transform-origin:right center}
  .cote.trace b{transition:opacity .6s ease .45s}
  html.js .cote.trace:not(.in) i{transform:scaleX(0)}
  html.js .cote.trace:not(.in) b{opacity:0}
  /* pause générale hors écran (commun.js pose .pause sur les blocs [data-vie] hors champ) */
  .pause,.pause *,.pause *::before,.pause *::after{animation-play-state:paused!important}
}
@media (prefers-reduced-motion:reduce){.rv{transition:none}}