@font-face{font-family:Manrope;src:url('/assets/manrope.woff2') format('woff2');font-weight:200 800;font-display:swap}
@font-face{font-family:Mono;src:url('/assets/mono.woff2') format('woff2');font-weight:400;font-display:swap}

:root{
  --ink:#202123;
  --ink-raised:#2a2b2e;
  --ink-line:#3b3d40;
  --muted:#686b6b;
  --muted-dark:#a9adaa;
  --paper:#f6f6f2;
  --white:#ffffff;
  --line:#dcded8;
  --orange:#ff7e2d;
  --orange-text:#a84a10;
  --radius:14px;
  --wrap:1240px;
  --gutter:clamp(16px,4vw,40px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 Manrope,Arial,sans-serif;font-weight:450;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:4px}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-weight:800;line-height:1.05;letter-spacing:-.045em}
h2{font-size:clamp(30px,3.4vw,50px);margin-bottom:18px}
h3{font-size:20px;line-height:1.25;letter-spacing:-.02em;font-weight:700;margin-bottom:10px}
p{margin-bottom:16px}
ul{padding-left:20px}
:focus-visible{outline:3px solid var(--orange-text);outline-offset:3px;border-radius:4px}
.dark :focus-visible,.site-header :focus-visible,.site-footer :focus-visible{outline-color:var(--orange)}
.cta-band :focus-visible{outline-color:var(--ink)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:16px;top:-80px;background:var(--orange);color:var(--ink);padding:10px 14px;font-weight:700;z-index:100;border-radius:6px}
.skip:focus{top:12px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Étiquettes : Mono, capitales, carré du logo */
.label{display:inline-flex;align-items:center;gap:10px;font:12px/1.4 Mono,ui-monospace,monospace;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.label::before{content:"";width:8px;height:8px;background:var(--orange);flex:none}
.dark .label{color:var(--muted-dark)}
.crumbs{font:12px/1.4 Mono,ui-monospace,monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:28px}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.crumbs span{margin:0 8px;color:#a3a6a2}

/* Statuts : le carré indique le niveau de preuve */
.status{display:inline-flex;align-items:center;gap:8px;font:11px/1.3 Mono,ui-monospace,monospace;letter-spacing:.07em;text-transform:uppercase;white-space:nowrap;color:var(--ink)}
.status::before{content:"";width:9px;height:9px;flex:none;box-sizing:border-box}
.status--dispo::before{background:var(--orange)}
.status--materiel::before{background:var(--ink)}
.status--simulation::before{border:1.5px solid var(--ink)}
.status--etude::before{border:1.5px dashed var(--ink)}
.dark .status{color:#e6e7e3}
.dark .status--materiel::before{background:#e6e7e3}
.dark .status--simulation::before,.dark .status--etude::before{border-color:#e6e7e3}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:12px;padding:14px 20px;border-radius:8px;font-weight:700;font-size:15px;line-height:1.2;text-decoration:none;border:1.5px solid transparent;transition:background .15s,border-color .15s,color .15s}
.btn--primary{background:var(--orange);color:var(--ink)}
.btn--primary:hover{background:#ff9450}
.btn--ghost{border-color:currentColor}
.btn--ghost:hover{background:rgba(127,127,127,.12)}
.btn--ink{background:var(--ink);color:var(--white)}
.btn--ink:hover{background:#34363a}
.btn .arrow{font-family:Mono,monospace}
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.text-link{font-weight:700;color:var(--orange-text);text-decoration:none}
.text-link:hover{text-decoration:underline}
.dark .text-link{color:var(--orange)}

/* En-tête */
.site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:40;border-bottom:1px solid #2e3033}
.site-header .wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:block;flex:none;line-height:0}
.brand img{height:24px;width:auto}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{color:#c9ccc6;text-decoration:none;font-size:15px;font-weight:600;padding:8px 12px;border-radius:6px}
.nav a:hover{color:var(--white);background:#2d2f32}
.nav a[aria-current="page"]{color:var(--white);box-shadow:inset 0 -2px 0 var(--orange);border-radius:0}
.nav .btn{margin-left:10px;padding:10px 16px;font-size:14px;color:var(--ink)}
.nav .btn:hover{background:#ff9450;color:var(--ink)}
.menu-toggle{display:none;margin-left:auto;background:none;border:1.5px solid #4a4c50;color:var(--white);border-radius:8px;padding:8px 12px;font:600 14px Manrope,sans-serif;cursor:pointer}

/* Sections */
.section{padding:clamp(64px,8vw,112px) 0}
.section--tight{padding:clamp(48px,6vw,80px) 0}
.dark{background:var(--ink);color:var(--white)}
.dark p{color:#c4c7c2}
.white{background:var(--white)}
.section-head{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;align-items:end;margin-bottom:44px}
.section-head .label{margin-bottom:18px}
.section-head p{color:var(--muted);margin:0;max-width:520px}
.dark .section-head p{color:#b9bcb7}
.lede{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:var(--muted);max-width:640px}
.dark .lede{color:#c4c7c2}

/* Accueil : thèse */
.hero{padding:clamp(56px,7vw,96px) 0 clamp(56px,7vw,88px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(42px,5.3vw,78px);line-height:.98;letter-spacing:-.055em;margin:22px 0 26px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lede{margin-bottom:32px}

/* Le journal : élément signature */
.journal{background:var(--ink-raised);border:1px solid var(--ink-line);border-radius:var(--radius);overflow:hidden;font:13px/1.45 Mono,ui-monospace,monospace}
.journal-top{display:flex;justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid var(--ink-line);color:#9fa39f;letter-spacing:.06em;text-transform:uppercase;font-size:11px}
.journal ol{list-style:none;margin:0;padding:6px 0}
.journal li{display:grid;grid-template-columns:76px minmax(0,1fr) auto;gap:4px 14px;padding:11px 18px;border-bottom:1px solid #313336;align-items:start}
.journal li:last-child{border-bottom:0}
.journal time{color:#8d918d}
.journal .where{color:#eceee9;display:block}
.journal .what{color:#a9ada8;display:block}
.journal .state{color:#d7d9d4;white-space:nowrap;display:inline-flex;align-items:center;gap:8px}
.journal .state::before{content:"";width:8px;height:8px;background:#6d716d}
.journal .state--ok::before{background:#e6e7e3}
.journal .state--wait::before{background:none;border:1.5px solid var(--orange)}
.journal li.current{background:#303236}
.journal li.current .state::before{background:var(--orange)}
.journal-foot{padding:12px 18px;border-top:1px solid var(--ink-line);color:#8d918d;font-size:11px;line-height:1.5;font-family:Manrope,sans-serif}
.js .journal li{opacity:0;transform:translateY(6px);transition:opacity .45s ease,transform .45s ease}
.js .journal li.shown{opacity:1;transform:none}
@keyframes blink{50%{opacity:.25}}
.journal li.current .state::before{animation:blink 1.6s steps(1) infinite}

/* Secteurs */
.sectors{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.sector-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;transition:border-color .15s,transform .15s}
.sector-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.sector-card img{aspect-ratio:16/10;object-fit:cover;width:100%;background:#e9eae5;border-bottom:1px solid var(--line)}
.sector-card div{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.sector-card h3{font-size:19px;margin-bottom:8px}
.sector-card p{font-size:15px;color:var(--muted);margin-bottom:16px;flex:1}
.sector-card .go{font-weight:700;font-size:14px;color:var(--orange-text)}

/* Trois capacités */
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.pillar{padding:32px 32px 8px 0}
.pillar+.pillar{padding-left:32px;border-left:1px solid var(--line)}
.pillar h3{font-size:26px;letter-spacing:-.035em}
.pillar p{color:var(--muted)}
.pillar ul{list-style:none;padding:0;margin:0 0 16px;font-size:15px}
.pillar li{padding:8px 0;border-top:1px solid #e7e8e3}

/* Preuves matérielles */
.proof{width:100%;border-collapse:collapse;font-size:15px}
.proof th{text-align:left;font:11px/1.4 Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#9a9e9a;font-weight:400;padding:0 16px 14px 0;border-bottom:1px solid var(--ink-line)}
.proof td{padding:16px 16px 16px 0;border-bottom:1px solid #34363a;vertical-align:top;color:#d7d9d4}
.proof td:first-child{color:var(--white);font-weight:700;width:28%}
.proof td:nth-child(2){width:24%}
.proof-note{margin-top:24px;font-size:14px;color:#9a9e9a;max-width:760px}

/* Méthode : séquence réelle */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step;list-style:none;padding:0;margin:0}
.steps li{position:relative;padding-top:34px;border-top:2px solid var(--ink)}
.steps li::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:10px;left:0;font:12px Mono,monospace;letter-spacing:.08em;color:var(--orange-text)}
.steps h3{font-size:21px}
.steps p{color:var(--muted);font-size:16px}

/* Faits (sécurité) */
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.fact{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.fact h3{font-size:18px}
.fact p{color:var(--muted);font-size:15px;margin:0}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(32px,5vw,72px);align-items:start}

/* Démonstrations */
.demos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.demo-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.demo-card[hidden]{display:none}
.demo-card img{aspect-ratio:16/10;object-fit:cover;width:100%;background:#e9eae5;border-bottom:1px solid var(--line)}
.demo-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.demo-card .meta{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font:11px/1.4 Mono,monospace;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.demo-card h3{margin:0;font-size:21px}
.demo-card p{font-size:15px;color:var(--muted);margin:0;flex:1}
.demo-card .btn{align-self:flex-start;margin-top:6px;padding:11px 16px;font-size:14px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{font:600 14px Manrope,sans-serif;padding:9px 14px;border-radius:30px;border:1.5px solid var(--line);background:var(--white);color:var(--ink);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--white)}

/* Pages secteur */
.page-hero{padding:clamp(48px,6vw,88px) 0 clamp(40px,5vw,64px);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(40px,5.2vw,74px);line-height:1;letter-spacing:-.055em;margin:0 0 22px;max-width:960px}
.page-hero .lede{margin-bottom:30px}
.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.feature{padding:24px 0;border-top:1px solid var(--line)}
.feature h3{margin-bottom:8px}
.feature p{color:var(--muted);margin:0;font-size:16px}
.showcase{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(28px,4vw,56px);align-items:center;padding:28px 0}
.showcase+.showcase{border-top:1px solid var(--ink-line)}
.showcase img{border-radius:10px;border:1px solid var(--ink-line);aspect-ratio:16/10;object-fit:cover;width:100%;background:#2b2c2f}
.showcase h3{font-size:28px;letter-spacing:-.035em;margin:14px 0 12px}
.showcase p{margin-bottom:22px}
.scope{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scope > div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.scope h3{display:flex;align-items:center;gap:10px}
.scope ul{list-style:none;padding:0;margin:0}
.scope li{padding:10px 0;border-top:1px solid #ecede8;font-size:16px;color:#3c3e40}
.scope li:first-child{border-top:0}

/* Offres */
.offers{display:grid;gap:0;border-top:1px solid var(--line)}
.offer{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr) minmax(0,1fr);gap:32px;padding:32px 0;border-bottom:1px solid var(--line)}
.offer h3{font-size:24px;letter-spacing:-.03em}
.offer p{color:var(--muted);margin:0}
.offer dl{margin:0;display:grid;gap:10px;font-size:15px}
.offer dt{font:11px/1.4 Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.offer dd{margin:0 0 6px}

/* Plateforme */
.layers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.layer{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:6px}
.layer .label{margin-bottom:10px}
.layer p{color:var(--muted);font-size:15px;margin:0}
.flow{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font:13px Mono,monospace;letter-spacing:.04em;margin:8px 0 40px;color:var(--muted)}
.flow b{background:var(--ink);color:var(--white);font-weight:400;padding:8px 12px;border-radius:6px}
.flow i{font-style:normal;color:var(--orange-text)}
.table-wrap{overflow-x:auto}
.devices{width:100%;border-collapse:collapse;font-size:16px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.devices th,.devices td{text-align:left;padding:14px 18px;border-bottom:1px solid #ecede8;vertical-align:top}
.devices th{font:11px/1.4 Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:400}
.devices tr:last-child td{border-bottom:0}

/* Encadrés et prose */
.prose{max-width:760px}
.prose h2{font-size:clamp(26px,2.6vw,36px);margin-top:48px}
.prose p,.prose li{color:#3c3e40}
.note{font-size:14px;color:var(--muted);margin-top:28px;max-width:760px}
.callout{border-left:3px solid var(--orange);padding:4px 0 4px 20px;margin:28px 0;color:#3c3e40}

/* Contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.contact-card{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:32px}
.contact-card p{color:#c4c7c2}
.contact-card a.mail{display:block;font-size:clamp(20px,2.2vw,28px);font-weight:800;letter-spacing:-.03em;color:var(--white);margin:6px 0 24px;word-break:break-all}
.checklist{list-style:none;padding:0;margin:0;counter-reset:q}
.checklist li{padding:16px 0 16px 44px;border-top:1px solid var(--line);position:relative}
.checklist li::before{counter-increment:q;content:counter(q);position:absolute;left:0;top:15px;width:28px;height:28px;border:1.5px solid var(--ink);display:grid;place-items:center;font:12px Mono,monospace}
.checklist b{display:block}
.checklist span{color:var(--muted);font-size:15px}

/* Bandeau d'appel */
.cta-band{background:var(--orange);color:var(--ink);padding:clamp(56px,7vw,96px) 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(34px,4.4vw,64px);margin:0;letter-spacing:-.055em}
.cta-band p{margin:12px 0 0;font-size:18px;color:#3d2412;max-width:560px}

/* Pied de page */
.site-footer{background:var(--ink);color:#c4c7c2;padding:64px 0 40px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:32px}
.footer-grid img{height:22px;width:auto;margin-bottom:18px}
.footer-grid h2{font:11px/1.4 Mono,monospace;letter-spacing:.09em;text-transform:uppercase;color:#8f938f;margin:6px 0 14px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin:8px 0}
.footer-grid a{text-decoration:none;color:#d7d9d4}
.footer-grid a:hover{color:var(--white);text-decoration:underline}
.footer-base{margin-top:48px;padding-top:24px;border-top:1px solid #34363a;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8f938f}

/* Adaptation */
@media (max-width:1100px){
  .sectors{grid-template-columns:repeat(3,minmax(0,1fr))}
  .layers{grid-template-columns:repeat(2,minmax(0,1fr))}
  .offer{grid-template-columns:1fr 1fr}
  .offer dl{grid-column:1/-1}
}
@media (max-width:960px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);flex-direction:column;align-items:stretch;padding:12px var(--gutter) 20px;border-bottom:1px solid #34363a;gap:2px}
  .nav.open{display:flex}
  .nav a{padding:12px 10px}
  .nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--orange)}
  .nav .btn{margin:10px 0 0;justify-content:center}
  .hero-grid,.split,.showcase,.contact-grid,.section-head{grid-template-columns:1fr}
  .section-head{gap:16px}
  .pillars{grid-template-columns:1fr}
  .pillar,.pillar+.pillar{padding:28px 0 4px;border-left:0}
  .pillar+.pillar{border-top:1px solid var(--line)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .demos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .sectors,.demos,.facts,.features,.scope,.layers,.steps{grid-template-columns:1fr}
  .offer{grid-template-columns:1fr;gap:14px}
  .journal li{grid-template-columns:62px minmax(0,1fr)}
  .journal .state{grid-column:2}
  .proof thead{display:none}
  .proof tr{display:block;padding:14px 0;border-bottom:1px solid #34363a}
  .proof td{display:block;border:0;padding:3px 0;width:auto!important}
  .footer-grid{grid-template-columns:1fr}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .journal li{opacity:1;transform:none}
}

/* Formulaire de contact */
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,36px);display:grid;gap:4px}
.form h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:12px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.field{margin:0 0 14px;display:grid;gap:6px}
.field label{font-weight:700;font-size:15px}
.field input,.field select,.field textarea{font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1.5px solid #cfd2cb;border-radius:8px;padding:12px 14px;width:100%}
.field textarea{resize:vertical;min-height:150px}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:3px solid var(--orange-text);outline-offset:1px;border-color:var(--ink)}
.field.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:14px;color:var(--muted);margin:2px 0 14px}
.form .btn{justify-self:start;border:0;cursor:pointer}
.form .btn[disabled]{opacity:.6;cursor:progress}
.form-status{border-radius:8px;padding:14px 16px;margin-bottom:14px;font-weight:600;font-size:15px}
.form-status.is-error{background:#fde9dc;color:#7a2f06;border:1px solid #f3b48c}
.form-status.is-ok{background:#e9efe3;color:#24361c;border:1px solid #b9c9ad}

/* Documentation */
.doc{display:grid;grid-template-columns:240px minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start}
.doc-toc{position:sticky;top:96px}
.doc-toc ol{list-style:none;padding:0;margin:16px 0 0;font-size:15px}
.doc-toc li{margin:0}
.doc-toc a{display:block;padding:7px 0 7px 12px;border-left:2px solid var(--line);text-decoration:none;color:#3c3e40}
.doc-toc a:hover{border-left-color:var(--orange);color:var(--ink)}
.doc-body{max-width:none}
.doc-body section{padding-bottom:12px;scroll-margin-top:90px}
.doc-body section:first-child h2{margin-top:0}
.doc-body ul{padding-left:20px}
.doc-body li{margin:8px 0}
.doc-body .devices{font-size:14px}
.doc-body .devices td,.doc-body .devices th{padding:12px 14px}
@media (max-width:960px){.doc{grid-template-columns:minmax(0,1fr)}.doc-toc{position:static}}
@media (max-width:640px){.field-row{grid-template-columns:1fr}}

/* Titres de page placés sous une étiquette, lien « voir plus », FAQ, langue */
.after-label{margin-top:22px}
.more{margin-top:28px}
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.faq-item{padding:24px 0;border-top:1px solid var(--line)}
.faq-item h3{font-size:19px;margin-bottom:8px}
.faq-item p{color:var(--muted);margin:0;font-size:16px}
.nav .lang{font:12px/1 Mono,ui-monospace,monospace;letter-spacing:.08em;border:1.5px solid #4a4c50;border-radius:6px;padding:8px 10px;margin-left:6px}
.nav .lang:hover{border-color:#c9ccc6}
@media (max-width:960px){.nav .lang{margin:6px 0 0;align-self:flex-start}}
@media (max-width:640px){.faq{grid-template-columns:1fr}}

/* ---------- Animation « comment ça marche » ---------- */
.intervention{position:relative;background:var(--ink);color:#e9eae6;border-radius:var(--radius);padding:clamp(18px,3vw,32px);overflow:hidden}
.iv-steps{list-style:none;margin:0 0 26px;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.iv-steps li{font-size:14px;font-weight:600;color:#8f938f;padding-top:12px;border-top:2px solid #3b3d40;transition:color .3s,border-color .3s}
.iv-steps li span{display:block;font:11px Mono,monospace;letter-spacing:.08em;margin-bottom:4px}
.iv-steps li.current{color:#fff;border-top-color:var(--orange)}
.iv-steps li.done{color:#d7d9d4;border-top-color:#8f938f}
.iv-stage{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(40px,.35fr) minmax(0,1fr) minmax(40px,.35fr) minmax(0,1fr);align-items:center}
.iv-node{background:var(--ink-raised);border:1px solid var(--ink-line);border-radius:14px;padding:18px;min-height:230px;display:flex;flex-direction:column;gap:4px}
.iv-node strong{font-size:17px;color:#fff}
.iv-node small{font:12px Mono,monospace;color:#8f938f;letter-spacing:.03em;margin-bottom:10px}
.iv-node.active{border-color:var(--orange);box-shadow:0 0 0 1px var(--orange) inset}
.iv-bubble{margin:6px 0 0;padding:12px 14px;border-radius:12px;font-size:15px;line-height:1.45}
.iv-req{background:#3a3c40;color:#fff;border-bottom-left-radius:4px;min-height:66px}
.iv-ans{background:#26302a;color:#d9efe0;border:1px solid #3d5a46;border-bottom-right-radius:4px}
.iv-checks{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:8px;font-size:14px}
.iv-checks li{display:flex;gap:10px;align-items:flex-start;color:#d7d9d4}
.iv-checks li::before{content:"";flex:none;width:16px;height:16px;margin-top:2px;border:1.5px solid #6d716d;border-radius:4px}
.iv-checks li.ok::before{background:var(--orange);border-color:var(--orange);box-shadow:inset 0 0 0 3px var(--ink-raised)}
.iv-term{margin-top:8px;background:#17181a;border:1px solid #333538;border-radius:10px;padding:12px;display:grid;gap:8px;min-height:84px}
.iv-term code{font:13px/1.4 Mono,monospace;color:#d7d9d4;word-break:break-word}
.iv-res{color:#8fd3a6!important}
.iv-link{position:relative;height:2px;background:repeating-linear-gradient(90deg,#4a4c50 0 6px,transparent 6px 12px);margin:0 6px}
.iv-packet{position:absolute;top:50%;left:calc(var(--p,0) * 100%);width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:3px;background:var(--orange);box-shadow:0 0 14px rgba(255,126,45,.8);opacity:0;transition:opacity .2s}
.iv-packet.on{opacity:1}
.iv-packet.back{background:#8fd3a6;box-shadow:0 0 14px rgba(143,211,166,.8)}
.iv-log{margin-top:22px;display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;padding:12px 16px;border:1px dashed #3b3d40;border-radius:10px;font:13px Mono,monospace;color:#d7d9d4}
.iv-log-title{color:#8f938f;letter-spacing:.06em;text-transform:uppercase;font-size:11px;margin-right:6px}
.iv-toggle{position:absolute;top:14px;right:14px;font:12px Mono,monospace;letter-spacing:.06em;background:transparent;color:#a9adaa;border:1px solid #3b3d40;border-radius:6px;padding:6px 10px;cursor:pointer}
.iv-toggle:hover{color:#fff;border-color:#8f938f}
/* États pilotés par le script ; sans script, tout est visible (état final). */
.js .intervention .iv-ans,.js .intervention .iv-log{opacity:0;transform:translateY(6px);transition:opacity .4s,transform .4s}
.js .intervention .iv-ans.show,.js .intervention .iv-log.show{opacity:1;transform:none}
.js .intervention .iv-res{opacity:0;transition:opacity .3s}
.js .intervention .iv-res.show{opacity:1}
.js .intervention.fade .iv-stage,.js .intervention.fade .iv-log{opacity:.25;transition:opacity .6s}

/* ---------- Animation : architecture ---------- */
.arch-figure{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(12px,2vw,24px)}
.white .arch-figure{background:var(--paper)}
.doc-body .arch-figure{margin:0 0 24px}
.arch{width:100%;height:auto;display:block}
.arch-tall{display:none}
.arch text{font-family:Manrope,Arial,sans-serif}
.ar-box{fill:var(--white);stroke:var(--line);stroke-width:1.5}
.ar-dark{fill:var(--ink);stroke:var(--ink)}
.ar-hub{fill:var(--white);stroke:var(--ink);stroke-width:2}
.ar-title{font-size:20px;font-weight:800;fill:var(--ink);letter-spacing:-.02em}
.ar-light{fill:#fff}
.ar-small{font-size:13px;fill:var(--muted);font-family:Mono,monospace!important}
.ar-light2{fill:#a9adaa}
.ar-strong{fill:var(--orange-text);font-weight:700}
.ar-warn{fill:#a5532b}
.ar-x{font-size:30px;font-weight:800;fill:#a5532b}
.ar-chip{fill:var(--paper);stroke:var(--line)}
.ar-chip-t{font-size:12.5px;font-weight:600;fill:#3c3e40}
.ar-fw{stroke:var(--orange);stroke-width:5;stroke-dasharray:14 6}
.ar-line{fill:none;stroke:var(--ink);stroke-width:2}
.ar-flow{stroke-dasharray:6 8;animation:ar-dash 1.1s linear infinite}
@keyframes ar-dash{to{stroke-dashoffset:-28}}
.ar-pulse{fill:var(--orange)}
.ar-blocked{stroke:#a5532b;stroke-width:2;stroke-dasharray:4 5;fill:none}
@media (max-width:760px){.arch-wide{display:none}.arch-tall{display:block;max-width:440px;margin:0 auto}}

@media (max-width:960px){
  .iv-steps{grid-template-columns:repeat(5,minmax(80px,1fr));overflow-x:auto}
  .iv-stage{grid-template-columns:minmax(0,1fr);gap:0}
  .iv-node{min-height:0}
  .iv-link{width:2px;height:44px;margin:0 auto;background:repeating-linear-gradient(180deg,#4a4c50 0 6px,transparent 6px 12px)}
  .iv-packet{left:50%;top:calc(var(--p,0) * 100%)}
}
@media (max-width:640px){
  .iv-steps{display:flex;gap:14px;overflow-x:auto;padding-bottom:4px}
  .iv-steps li{flex:0 0 auto;max-width:130px}
  .iv-toggle{position:static;margin-top:16px}
}
@media (prefers-reduced-motion:reduce){.ar-pulse{display:none}.ar-flow{animation:none}}

/* ---------- Dictée ---------- */
.dictate-wrap{position:relative}
.dictate-btn{position:absolute;right:10px;bottom:10px;display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--line);background:var(--white);color:var(--ink);border-radius:999px;padding:8px 14px;font:600 14px Manrope,sans-serif;cursor:pointer}
.dictate-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.dictate-btn[aria-pressed="true"]{background:var(--orange);border-color:var(--orange)}
.dictate-btn[aria-pressed="true"] svg{animation:blink 1.2s steps(1) infinite}
.dictate-wrap textarea{padding-bottom:56px}
.dictate-status{font-size:13px;color:var(--orange-text);min-height:18px;margin:6px 0 0}