:root{
  --red:#DC2B3E;
  --red-dark:#B81F30;
  --red-soft:#FF6D7D;
  --ink:#111111;
  --text-1:#3F4448;
  --text-2:#54595E;
  --text-3:#6E7378;
  --text-4:#8A8A8A;
  --text-5:#A0A0A0;
  --text-6:#C0C0C0;
  --border-1:#E8E8E8;
  --border-2:#E0E0E0;
  --border-3:#EFEFEF;
  --border-4:#DADADA;
  --border-5:#DFDFDF;
  --border-6:#E2E2E2;
  --bg-soft:#FAFAFA;
  --bg-soft-2:#F4F4F4;
  --max:1180px;
  --gutter:40px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  margin:0;
  background:#fff;
  color:var(--ink);
  font-family:Archivo,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  /* the off-canvas mobile drawer (position:fixed + translateX(100%)) can otherwise
     register as document width in some engines and create a phantom horizontal scrollbar */
  overflow-x:hidden;
  width:100%;
}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--red)}
input,textarea,select,button{font-family:inherit}
img{max-width:100%;display:block}
.mono{font-family:'IBM Plex Mono',monospace}

@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.rise{animation:riseIn .7s ease both}
.rise-1{animation-delay:.06s}
.rise-2{animation-delay:.14s}

.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:20;
  border-bottom:1px solid var(--border-1);
}
/* Le fond translucide et le flou vivent sur un pseudo-element, pas sur le
   header : un `backdrop-filter` fait de son element le bloc conteneur des
   descendants `position:fixed`, ce qui ecrasait le tiroir de navigation
   mobile a la hauteur du header au lieu du plein ecran. */
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.site-header .wrap{
  height:74px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.brand{display:flex;align-items:center;cursor:pointer;border:0;background:none;padding:0}
.brand img{height:44px;width:auto}
.main-nav{display:flex;align-items:center;gap:30px;font:500 13.5px/1 Archivo,sans-serif}
.main-nav button{
  background:none;border:0;cursor:pointer;color:var(--text-1);font:500 13.5px/1 Archivo,sans-serif;padding:6px 0;
}
.main-nav button:hover, .main-nav button.active{color:var(--red)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 18px;background:var(--ink);color:#fff;border-radius:7px;
  font:600 13px/1 Archivo,sans-serif;cursor:pointer;border:1px solid var(--ink);
  white-space:nowrap;
}
.btn:hover{background:var(--red);border-color:var(--red);color:#fff}
.btn-red{background:var(--red);border-color:var(--red)}
.btn-red:hover{background:var(--red-dark);border-color:var(--red-dark)}
.btn-lg{padding:16px 26px;border-radius:8px;font:600 14.5px/1 Archivo,sans-serif}
.btn-outline{background:none;color:var(--ink);border:1px solid var(--border-4)}
.btn-outline:hover{border-color:var(--ink);color:var(--ink);background:none}

/* WhatsApp buttons — icon + always-legible label */
.btn-wa{gap:9px}
.wa-icon{width:17px;height:17px;flex:none;display:block}
.btn-wa span{white-space:nowrap}
/* vert foncé de la charte WhatsApp : le vert clair #25D366 en fond
   ne donne que 1,98:1 avec du texte blanc, donc illisible */
.btn-wa-solid{
  align-self:flex-start;background:#075E54;border-color:#075E54;color:#fff;
}
.btn-wa-solid:hover{background:#128C7E;border-color:#128C7E;color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--border-4);border-radius:7px;padding:8px 10px;cursor:pointer}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink);position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}

/* Generic section bits */
.eyebrow{
  font:700 13px/1 'IBM Plex Mono',monospace;letter-spacing:.14em;color:var(--ink);
}
.eyebrow-soft{
  font:500 11px/1 'IBM Plex Mono',monospace;letter-spacing:.14em;color:var(--text-4);
}
.h1{
  margin:0;max-width:16ch;font:800 clamp(38px,6.4vw,92px)/0.98 Archivo,sans-serif;
  letter-spacing:-.035em;color:var(--ink);
}
.h1 .accent{color:var(--red)}
.h2{
  margin:0;font:800 clamp(28px,3.6vw,48px)/1.06 Archivo,sans-serif;letter-spacing:-.032em;color:var(--ink);
}
.lede{margin:0;font:400 16.5px/1.62 Archivo,sans-serif;color:var(--text-2)}

/* Hero */
.hero{padding-top:80px;padding-bottom:56px}
.hero-kicker{display:flex;align-items:center;gap:12px;margin-bottom:34px}
.dot{width:7px;height:7px;background:var(--red);border-radius:50%;flex:none}
.hero-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;margin-top:44px;flex-wrap:wrap}
.hero-bottom p{max-width:46ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.hero-visual{padding-bottom:80px}
.visual-frame{
  position:relative;width:100%;height:auto;aspect-ratio:21/9;border-radius:14px;overflow:hidden;
  background:linear-gradient(135deg,#F4F4F4 0%,#ECECEC 100%);
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border-1);
}
.visual-caption{display:flex;justify-content:space-between;gap:24px;margin-top:14px;font:500 11px/1 'IBM Plex Mono',monospace;letter-spacing:.12em;color:var(--text-5)}
.shot{
  width:100%;height:100%;object-fit:cover;object-position:top center;display:block;
}
.hero-frame{
  padding:0;border:0;cursor:pointer;display:block;
  transition:transform .35s ease;
}
.hero-frame .shot{transition:transform .5s ease}
.hero-frame:hover .shot{transform:scale(1.02)}
.card-visual{height:210px;border-radius:0;flex:none}
.detail-visual{height:auto;aspect-ratio:16/8;max-height:560px}

/* Expertises index */
.section{padding-bottom:90px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;padding-bottom:24px;gap:20px;flex-wrap:wrap}
.index-row{
  display:grid;grid-template-columns:56px 1fr 300px 40px;gap:24px;align-items:center;
  padding:26px 8px;border-top:1px solid var(--border-1);color:var(--ink);
}
.index-row:last-child{border-bottom:1px solid var(--border-1)}
.index-row:hover{background:var(--bg-soft)}
.index-num{font:500 12px/1 'IBM Plex Mono',monospace;color:var(--text-6)}
.index-title{font:700 clamp(20px,2.4vw,31px)/1.05 Archivo,sans-serif;letter-spacing:-.02em}
.index-desc{font:400 13.5px/1.5 Archivo,sans-serif;color:var(--text-3)}
.index-arrow{font:400 20px/1 Archivo,sans-serif;color:var(--red);text-align:right}

/* Prototypes list (home) */
.protos-band{background:var(--bg-soft);border-top:1px solid var(--border-1);border-bottom:1px solid var(--border-1)}
.protos-band-inner{padding-top:88px;padding-bottom:88px}
.protos-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:30px}
.proto-row{
  display:grid;grid-template-columns:1.15fr 1fr 190px 40px;gap:20px;align-items:center;
  padding:22px 8px;border-top:1px solid var(--border-6);background:#fff;
}
.proto-row:last-child{border-bottom:1px solid var(--border-6)}
.proto-name{font:700 19px/1.2 Archivo,sans-serif;letter-spacing:-.015em;color:var(--ink)}
.proto-desc{font:400 13.5px/1.5 Archivo,sans-serif;color:var(--text-3)}
.tag{
  justify-self:start;padding:5px 10px;border:1px solid var(--border-4);border-radius:99px;
  font:500 10px/1 'IBM Plex Mono',monospace;letter-spacing:.1em;color:var(--text-4);white-space:nowrap;
}
.tag-dev{background:var(--red);border-color:var(--red);color:#fff}
.arrow{font:400 18px/1 Archivo,sans-serif;color:var(--red);text-align:right}

/* SaaS teaser */
.saas-band{background:var(--ink)}
.saas-grid{padding-top:84px;padding-bottom:84px;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.saas-copy{display:flex;flex-direction:column;gap:22px}
.pill{
  align-self:flex-start;padding:6px 11px;background:rgba(220,43,62,.16);border:1px solid rgba(220,43,62,.5);
  border-radius:99px;font:500 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.12em;color:var(--red-soft);
}
.saas-copy h2{color:#fff;max-width:22ch}
.saas-copy p{margin:0;max-width:52ch;font:400 15.5px/1.66 Archivo,sans-serif;color:rgba(255,255,255,.62)}
.btn-on-dark{background:var(--red);border-color:var(--red);color:#fff}
.btn-on-dark:hover{background:#fff;border-color:#fff;color:var(--ink)}
/* transparent + explicit white so the label never lands dark-on-dark */
.btn-outline-dark{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-outline-dark:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.status-card{display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.14);border-radius:12px;overflow:hidden}
.status-row{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.1)}
.status-row:last-child{border-bottom:none}
.status-row span:first-child{font:400 13.5px/1 Archivo,sans-serif;color:rgba(255,255,255,.6)}
.status-row span:last-child{font:600 13px/1 Archivo,sans-serif;color:#fff}

/* About summary (home) + about page */
.about-grid{padding:96px 0;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.about-copy{display:flex;flex-direction:column;gap:22px}
.about-copy h2{max-width:20ch}
.about-copy p{margin:0;max-width:48ch;font:400 16px/1.66 Archivo,sans-serif;color:var(--text-2)}
.link-underline{align-self:flex-start;font:600 14px/1 Archivo,sans-serif;color:var(--red);border-bottom:1px solid var(--red);padding-bottom:3px}
.link-underline:hover{color:var(--ink);border-color:var(--ink)}
.stat-card{display:flex;flex-direction:column;border:1px solid var(--border-1);border-radius:12px;padding:8px 24px}
.stat-row{display:flex;justify-content:space-between;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--border-3)}
.stat-row:last-child{border-bottom:none}
.stat-row span:first-child{font:400 13.5px/1 Archivo,sans-serif;color:var(--text-3)}
.stat-row span:last-child{font:700 14px/1 Archivo,sans-serif;color:var(--ink)}

/* CTA banner */
.cta-banner{
  background:var(--ink);border-radius:16px;padding:44px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-banner .cta-copy{display:flex;flex-direction:column;gap:9px}
.cta-banner .cta-copy strong{font:700 clamp(22px,2.4vw,30px)/1.15 Archivo,sans-serif;letter-spacing:-.025em;color:#fff}
.cta-banner .cta-copy span{font:400 14px/1.5 Archivo,sans-serif;color:rgba(255,255,255,.55)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Services page */
.service-row{display:grid;grid-template-columns:56px 1fr 1fr;gap:32px;padding:38px 0;border-top:1px solid var(--border-1)}
.service-row:last-child{border-bottom:1px solid var(--border-1)}
.service-num{font:500 12px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--text-6)}
.service-num.hi{color:var(--red)}
.service-main{display:flex;flex-direction:column;gap:14px}
.service-main h3{margin:0;font:700 clamp(20px,2.3vw,30px)/1.1 Archivo,sans-serif;letter-spacing:-.022em;color:var(--ink)}
.service-main p{margin:0;max-width:42ch;font:400 15px/1.62 Archivo,sans-serif;color:var(--text-2)}
.chip-row{display:flex;gap:7px;flex-wrap:wrap;padding-top:4px}
.chip{
  padding:6px 11px;border:1px solid var(--border-2);border-radius:99px;
  font:500 11px/1 'IBM Plex Mono',monospace;letter-spacing:.06em;color:var(--text-3);white-space:nowrap;
}
.bullet-list{display:flex;flex-direction:column}
.bullet-item{display:flex;align-items:center;gap:12px;padding:13px 0}
.bullet-item:not(:first-child){border-top:1px solid var(--border-3)}
.bullet-item .bd{width:5px;height:5px;background:var(--red);border-radius:50%;flex:none}
.bullet-item span:last-child{font:500 14px/1.4 Archivo,sans-serif;color:var(--ink)}

.method-band{background:var(--bg-soft);border-top:1px solid var(--border-1);border-bottom:1px solid var(--border-1)}
.method-inner{padding-top:76px;padding-bottom:76px;display:flex;flex-direction:column;gap:30px}
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.method-step{display:flex;flex-direction:column;gap:11px;padding-top:16px;border-top:2px solid var(--border-4)}
.method-step.active{border-top-color:var(--red)}
.method-step .num{font:500 11px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--text-5)}
.method-step.active .num{color:var(--red)}
.method-step strong{font:700 16px/1.25 Archivo,sans-serif;letter-spacing:-.015em;color:var(--ink)}
.method-step span.desc{font:400 13.5px/1.55 Archivo,sans-serif;color:var(--text-3)}

/* Prototype grid cards (prototypes page) */
.filter-row{padding-bottom:30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap}
.filter-chip{
  padding:9px 15px;border:1px solid var(--border-2);color:var(--text-1);border-radius:99px;
  font:500 12.5px/1 Archivo,sans-serif;cursor:pointer;background:#fff;
}
.filter-chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.filter-chip:hover{border-color:var(--ink);color:var(--ink)}
.filter-chip.active:hover{color:#fff}
.proto-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-bottom:84px}
.proto-card{
  display:flex;flex-direction:column;border:1px solid var(--border-1);border-radius:14px;
  overflow:hidden;background:#fff;cursor:pointer;text-align:left;
}
.proto-card:hover{border-color:var(--ink)}
.proto-card-body{padding:20px;display:flex;flex-direction:column;gap:11px}
.proto-card-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.proto-card-top span:first-child{font:700 19px/1.2 Archivo,sans-serif;letter-spacing:-.018em;color:var(--ink)}
.tag-sm{padding:4px 9px;border:1px solid var(--border-2);color:var(--text-5);border-radius:99px;font:500 9.5px/1 'IBM Plex Mono',monospace;letter-spacing:.09em;white-space:nowrap}
.tag-sm.dev{background:var(--red);border-color:var(--red);color:#fff}
.proto-card-desc{font:400 13.5px/1.55 Archivo,sans-serif;color:var(--text-3)}

/* Fiche detail */
.back-link{background:none;border:0;cursor:pointer;padding:0;font:500 12.5px/1 Archivo,sans-serif;color:var(--text-3)}
.back-link:hover{color:var(--ink)}
.fiche-head{padding-top:34px;padding-bottom:44px;display:flex;flex-direction:column;gap:24px}
.fiche-head .eyebrow-red{font:500 11.5px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--red)}
.fiche-head h2{max-width:26ch}
.fiche-meta{display:flex;gap:44px;flex-wrap:wrap;padding-top:6px}
.fiche-meta div{display:flex;flex-direction:column;gap:6px}
.fiche-meta .label{font:500 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--text-5)}
.fiche-meta .value{font:700 14px/1 Archivo,sans-serif;color:var(--ink)}

.fiche-body{display:grid;grid-template-columns:200px 1fr;gap:30px 40px;padding-bottom:40px}
.fiche-label{font:500 11.5px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--red)}
.fiche-text{margin:0;max-width:62ch;font:400 16px/1.7 Archivo,sans-serif;color:var(--text-1);padding-bottom:34px;border-bottom:1px solid var(--border-1)}
.fiche-solution{display:flex;flex-direction:column;gap:20px;padding-bottom:34px;border-bottom:1px solid var(--border-1)}
.fiche-solution p{margin:0;max-width:62ch;font:400 16px/1.7 Archivo,sans-serif;color:var(--text-1)}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;border-top:1px solid var(--border-3)}
.feature-item{display:flex;align-items:flex-start;gap:12px;padding:15px 0;border-bottom:1px solid var(--border-3)}
.feature-item .fn{font:500 10px/1.6 'IBM Plex Mono',monospace;color:var(--red)}
.feature-item .ft{display:flex;flex-direction:column;gap:4px}
.feature-item .ft strong{font:600 14.5px/1.35 Archivo,sans-serif;color:var(--ink)}
.feature-item .ft span{font:400 13px/1.5 Archivo,sans-serif;color:var(--text-3)}
.tech-row{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid var(--border-1);align-content:flex-start}
.results-wrap{display:flex;flex-direction:column;gap:18px;padding-bottom:20px}
.results-wrap>p{margin:0;max-width:62ch;font:400 14.5px/1.65 Archivo,sans-serif;color:var(--text-3)}
.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.result-card{border:1px solid var(--border-1);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:9px;background:var(--bg-soft)}
.result-card .value{font:800 30px/1 Archivo,sans-serif;letter-spacing:-.03em;color:var(--ink)}
.result-card .label{font:400 13px/1.45 Archivo,sans-serif;color:var(--text-3)}
.result-card .tag{align-self:flex-start;padding:3px 8px;border:1px solid var(--border-2);border-radius:99px;font:500 9px/1 'IBM Plex Mono',monospace;letter-spacing:.09em;color:var(--text-5)}
.proof-box{border-left:2px solid var(--red);padding:12px 18px;display:flex;flex-direction:column;gap:8px}
.proof-box strong{font:700 15px/1.35 Archivo,sans-serif;color:var(--ink)}
.proof-box span{font:400 14.5px/1.65 Archivo,sans-serif;color:var(--text-2);max-width:56ch}
.fiche-nav{
  display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--border-1);
  padding-top:26px;padding-bottom:26px;
}
.fiche-nav button{background:none;border:0;cursor:pointer;font:500 13px/1.4 Archivo,sans-serif;color:var(--text-3)}
.fiche-nav button:hover{color:var(--ink)}

/* About page extras */
.mission-grid{display:grid;grid-template-columns:200px 1fr;gap:26px 40px;padding-bottom:76px}
.mission-label{font:500 11px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--text-5)}
.mission-text{margin:0;font:700 clamp(18px,2.1vw,26px)/1.45 Archivo,sans-serif;letter-spacing:-.018em;color:var(--ink);max-width:38ch;padding-bottom:26px;border-bottom:1px solid var(--border-1)}
.mission-text:last-child{border-bottom:none;padding-bottom:0}
.values-band{background:var(--bg-soft);border-top:1px solid var(--border-1);border-bottom:1px solid var(--border-1)}
.values-inner{padding-top:76px;padding-bottom:76px;display:flex;flex-direction:column;gap:28px}
.values-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.value-card{background:#fff;border:1px solid var(--border-1);border-radius:12px;padding:22px;display:flex;flex-direction:column;gap:11px}
.value-card .num{font:500 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--text-6)}
.value-card .num.hi{color:var(--red)}
.value-card strong{font:700 15.5px/1.25 Archivo,sans-serif;letter-spacing:-.015em;color:var(--ink)}
.value-card span.desc{font:400 13px/1.55 Archivo,sans-serif;color:var(--text-3)}
.timeline-grid{padding-top:76px;padding-bottom:76px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.timeline-col{display:flex;flex-direction:column;gap:26px}
.timeline-title{display:flex;align-items:baseline;gap:12px}
.timeline-title .founded{font:500 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--text-5)}
.timeline-row{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--border-1)}
.timeline-row .label{font:500 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;color:var(--text-5)}
.timeline-row .label.hi{color:var(--red)}
.timeline-row .value{font:500 15px/1.35 Archivo,sans-serif;color:var(--text-2)}
.timeline-row .value.hi{font:700 15px/1.35 Archivo,sans-serif;color:var(--ink)}
.timeline-note{margin:0;max-width:44ch;font:400 14.5px/1.65 Archivo,sans-serif;color:var(--text-3)}

/* Contact */
.contact-band{background:var(--bg-soft);border-top:1px solid var(--border-1)}
.contact-grid{padding-top:88px;padding-bottom:88px;display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.contact-copy{display:flex;flex-direction:column;gap:24px}
.contact-copy p{margin:0;max-width:34ch;font:400 15.5px/1.62 Archivo,sans-serif;color:var(--text-2)}
.contact-info{display:flex;flex-direction:column;gap:16px;padding-top:8px;border-top:1px solid var(--border-6)}
.contact-info .item{display:flex;flex-direction:column;gap:5px}
.contact-info .label{font:500 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.12em;color:var(--text-5)}
.contact-info a, .contact-info span.value{font:600 14.5px/1.3 Archivo,sans-serif;color:var(--ink)}
.contact-info a:hover{color:var(--red)}

.contact-form{display:flex;flex-direction:column;gap:18px;background:#fff;border:1px solid var(--border-1);border-radius:14px;padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field span{font:500 12.5px/1 Archivo,sans-serif;color:var(--text-1)}
.field input, .field select{
  height:46px;padding:0 14px;border:1px solid var(--border-5);border-radius:8px;
  font:400 14px/1 Archivo,sans-serif;color:var(--ink);background:#fff;outline:none;
}
.field textarea{
  padding:12px 14px;border:1px solid var(--border-5);border-radius:8px;font:400 14px/1.55 Archivo,sans-serif;
  color:var(--ink);background:#fff;outline:none;resize:vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{border-color:var(--ink)}
.project-type{display:flex;flex-direction:column;gap:10px}
.type-chip{
  padding:9px 14px;border:1px solid var(--border-5);color:var(--text-1);border-radius:7px;
  font:500 12.5px/1 Archivo,sans-serif;cursor:pointer;background:#fff;
}
.type-chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.type-chip:hover{border-color:var(--ink);color:var(--ink)}
.type-chip.active:hover{color:#fff}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.submit-btn{
  padding:15px 26px;background:var(--red);color:#fff;border:none;border-radius:8px;
  font:600 14.5px/1 Archivo,sans-serif;cursor:pointer;
}
.submit-btn:hover{background:var(--ink)}
.submit-btn:disabled{opacity:.6;cursor:default}
.form-note{font:400 12.5px/1.4 Archivo,sans-serif;color:var(--text-4)}
.form-success{
  display:none;padding:16px 18px;border:1px solid var(--border-1);border-radius:10px;
  background:var(--bg-soft);font:500 13.5px/1.5 Archivo,sans-serif;color:var(--ink);
}
.form-success.show{display:block}

/* Footer */
.site-footer{background:var(--ink)}
.footer-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:36px 0;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-cta strong{font:700 clamp(20px,2.2vw,26px)/1.2 Archivo,sans-serif;letter-spacing:-.02em;color:#fff}
.footer-cta span{font:400 13.5px/1.4 Archivo,sans-serif;color:rgba(255,255,255,.55)}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:44px 0}
.footer-brand{display:flex;flex-direction:column;gap:16px}
.footer-brand img{height:52px;width:auto}
.footer-brand p{margin:0;font:400 13px/1.6 Archivo,sans-serif;color:rgba(255,255,255,.5);max-width:34ch}
.footer-col{display:flex;flex-direction:column;gap:12px}
.footer-col .label{font:500 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.12em;color:rgba(255,255,255,.4)}
.footer-col a, .footer-col span{font:400 13.5px/1 Archivo,sans-serif;color:rgba(255,255,255,.78)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-bottom .copy{font:400 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.1em;color:rgba(255,255,255,.4)}
.footer-legal{display:flex;gap:18px}
.footer-legal a{font:400 10.5px/1 'IBM Plex Mono',monospace;letter-spacing:.1em;color:rgba(255,255,255,.4)}
.footer-legal a:hover{color:#fff}

/* utility */
.hidden{display:none !important}
[data-page]{display:none}
[data-page].active{display:block}

/* ============ RESPONSIVE ============ */

/* Tablette paysage */
@media (max-width:1100px){
  .hero{padding-top:64px;padding-bottom:48px}
  .about-grid{gap:48px}
  .saas-grid{gap:40px}
}

/* Tablette */
@media (max-width:900px){
  :root{--gutter:28px}
  .about-grid, .timeline-grid, .contact-grid, .saas-grid{grid-template-columns:1fr}
  .about-grid, .timeline-grid{padding-top:64px;padding-bottom:64px;gap:36px}
  .saas-grid{padding-top:64px;padding-bottom:64px;gap:36px}
  .contact-grid{padding-top:64px;padding-bottom:64px;gap:36px}
  .values-grid{grid-template-columns:repeat(3,1fr)}
  .method-grid{grid-template-columns:repeat(2,1fr)}
  .proto-grid{grid-template-columns:repeat(2,1fr)}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
  .index-row{grid-template-columns:34px 1fr 28px;gap:16px;padding:22px 4px}
  .index-desc{display:none}
  .proto-row{grid-template-columns:1fr auto 28px;gap:14px;padding:20px 4px}
  .proto-desc{display:none}
  .service-row{grid-template-columns:1fr;gap:22px;padding:32px 0}
  .service-num{display:none}
  .fiche-body{grid-template-columns:1fr;gap:10px 0}
  .fiche-label{padding-top:20px}
  .feature-grid{grid-template-columns:1fr}
  .results-grid{grid-template-columns:repeat(3,1fr);gap:12px}
  .form-grid{grid-template-columns:1fr 1fr}
  .mission-grid{grid-template-columns:1fr;gap:10px 0;padding-bottom:56px}
  .mission-label{padding-top:16px}
  .section{padding-bottom:64px}
  .protos-band-inner{padding-top:64px;padding-bottom:64px}
  .method-inner, .values-inner{padding-top:56px;padding-bottom:56px}
}

/* Menu mobile en tiroir */
@media (max-width:820px){
  .main-nav{
    position:fixed;inset:66px 0 0 0;background:#fff;flex-direction:column;align-items:stretch;
    padding:12px var(--gutter) 32px;gap:0;transform:translateX(100%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    border-top:1px solid var(--border-1);overflow-y:auto;z-index:30;
    -webkit-overflow-scrolling:touch;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav button{
    width:100%;padding:18px 2px;font:600 17px/1 Archivo,sans-serif;text-align:left;
    border-bottom:1px solid var(--border-3);color:var(--ink);
  }
  .main-nav button.active{color:var(--red)}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;padding:10px 12px}
  .header-cta{display:none}
  body.nav-open{overflow:hidden}
}

/* Mobile */
@media (max-width:640px){
  :root{--gutter:20px}
  .site-header .wrap{height:66px;gap:12px}
  .brand img{height:36px}

  .hero{padding-top:44px;padding-bottom:36px}
  .hero-kicker{margin-bottom:22px}
  .eyebrow-soft{font-size:10px;letter-spacing:.1em}
  .h1{font-size:clamp(32px,9vw,44px);line-height:1.04;max-width:none}
  .hero-bottom{margin-top:28px;gap:26px}
  .hero-bottom p{font-size:15.5px !important;max-width:none}
  .hero-cta{width:100%;gap:10px}
  .hero-cta .btn{flex:1 1 100%;justify-content:center}
  .hero-visual{padding-bottom:56px}
  .visual-frame{aspect-ratio:16/10;border-radius:10px}
  .visual-caption{font-size:9.5px;letter-spacing:.08em}

  .h2{font-size:clamp(24px,6.6vw,32px) !important;line-height:1.1}
  .lede{font-size:15px}
  .section{padding-bottom:52px}

  /* Index expertises : titre + flèche seulement */
  .index-row{grid-template-columns:1fr 22px;gap:12px;padding:18px 2px;align-items:center}
  .index-num{display:none}
  .index-title{font-size:19px;letter-spacing:-.01em}
  .index-arrow{font-size:17px}

  /* Prototypes en liste sur l'accueil */
  .protos-band-inner{padding-top:52px;padding-bottom:52px}
  .protos-head{padding-bottom:20px;gap:20px}
  .proto-row{grid-template-columns:1fr 22px;gap:6px 12px;padding:18px 2px;align-items:center}
  .proto-row .tag{display:none}
  .proto-name{font-size:17px}
  .arrow{font-size:16px}

  /* SaaS */
  .saas-grid{padding-top:52px;padding-bottom:52px;gap:28px}
  .saas-copy p{font-size:14.5px}
  .status-row{padding:15px 16px}
  .status-row span:first-child{font-size:12.5px}

  /* À propos */
  .about-grid, .timeline-grid{padding-top:52px;padding-bottom:52px}
  .stat-card{padding:4px 18px}
  .stat-row{padding:15px 0}
  .stat-row span:first-child{font-size:12.5px}
  .stat-row span:last-child{font-size:13px;text-align:right}
  .values-grid{grid-template-columns:1fr;gap:12px}
  .value-card{padding:18px}
  .method-grid{grid-template-columns:1fr;gap:18px}
  .timeline-row{grid-template-columns:1fr;gap:5px;padding:15px 0}
  .mission-text{font-size:18px}

  /* Services */
  .service-main h3{font-size:21px}
  .service-main p{font-size:14.5px;max-width:none}
  .chip{font-size:10.5px;padding:5px 9px}

  /* Cartes prototypes */
  .proto-grid{grid-template-columns:1fr;gap:16px;padding-bottom:56px}
  .card-visual{height:180px}
  .filter-row{padding-bottom:20px;gap:14px}
  .filter-chips{gap:7px;width:100%}
  .filter-chip{font-size:12px;padding:8px 13px}

  /* Fiche détail */
  .fiche-head{padding-top:24px;padding-bottom:32px;gap:18px}
  .fiche-head h2{max-width:none}
  .fiche-meta{gap:18px 26px;padding-top:2px}
  .fiche-meta .label{font-size:9.5px}
  .fiche-meta .value{font-size:13px}
  .detail-visual{aspect-ratio:16/10}
  .fiche-text, .fiche-solution p{font-size:15px;line-height:1.65;max-width:none;padding-bottom:24px}
  .fiche-solution{gap:16px;padding-bottom:24px}
  .results-grid{grid-template-columns:1fr;gap:10px}
  .result-card{padding:16px;flex-direction:row;align-items:baseline;gap:12px;flex-wrap:wrap}
  .result-card .value{font-size:26px}
  .result-card .label{flex:1 1 auto;font-size:12.5px}
  .result-card .tag{flex:0 0 auto}
  .proof-box{padding:10px 14px}
  .proof-box span{max-width:none;font-size:14px}
  .fiche-nav{padding-top:20px;padding-bottom:20px;gap:12px}
  .fiche-nav button{font-size:12.5px}

  /* Contact */
  .contact-grid{padding-top:52px;padding-bottom:52px;gap:30px}
  .contact-copy p{max-width:none}
  .contact-form{padding:20px;gap:16px}
  .form-grid{grid-template-columns:1fr;gap:14px}
  .field input, .field select{height:48px}
  .form-foot{gap:12px}
  .submit-btn{width:100%;padding:16px 20px}
  .form-note{font-size:11.5px;text-align:center;width:100%}
  .type-chip{font-size:12px;padding:9px 12px}

  /* CTA + footer */
  .cta-banner{flex-direction:column;align-items:stretch;padding:28px 22px;gap:22px;border-radius:12px}
  .cta-actions{width:100%;gap:10px}
  .cta-actions .btn{flex:1 1 100%;justify-content:center}
  .footer-cta{flex-direction:column;align-items:stretch;padding:28px 0;gap:18px}
  .footer-cta .cta-actions .btn{flex:1 1 0;justify-content:center}
  .footer-cols{grid-template-columns:1fr;gap:28px;padding:32px 0}
  .footer-brand img{height:46px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-legal{gap:14px}
}

/* Très petits écrans */
@media (max-width:380px){
  :root{--gutter:16px}
  .h1{font-size:29px}
  .index-title{font-size:17.5px}
  .cta-banner{padding:24px 18px}
  .fiche-meta{gap:14px 20px}
  .footer-cta .cta-actions{flex-direction:column}
}

/* Confort tactile : pas d'effets hover sur écran tactile */
@media (hover:none){
  .index-row:hover{background:none}
  .hero-frame:hover .shot{transform:none}
  .proto-card:hover{border-color:var(--border-1)}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* ============================================================
   Hors ligne — dock d'état réseau + file d'attente des demandes
   ============================================================ */

.offline-dock{
  position:fixed;
  left:var(--gutter);
  bottom:20px;
  z-index:90;
  display:none;
  flex-direction:column;
  gap:10px;
  width:min(360px, calc(100vw - 2*var(--gutter)));
  pointer-events:none;
}
.offline-dock.show{display:flex}

.od-card{
  pointer-events:auto;
  display:grid;
  grid-template-columns:auto 1fr auto auto;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  background:#fff;
  border:1px solid var(--border-2);
  border-left:3px solid var(--text-4);
  border-radius:4px;
  box-shadow:0 8px 28px rgba(17,17,17,.13);
  animation:od-in .22s ease-out both;
}
@keyframes od-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.od-card .od-text{min-width:0;display:flex;flex-direction:column;gap:2px}
.od-card .od-text strong{font:600 13.5px/1.35 Archivo,sans-serif;color:var(--ink)}
.od-card .od-text span{font:400 12px/1.4 Archivo,sans-serif;color:var(--text-3)}

.od-dot{width:8px;height:8px;border-radius:50%;background:var(--text-4);flex:none}
.od-off{border-left-color:var(--text-3)}
.od-off .od-dot{background:var(--text-3)}
.od-queue{border-left-color:var(--red)}
.od-queue .od-dot{background:var(--red);animation:od-pulse 1.8s ease-in-out infinite}
.od-queue.is-busy .od-dot{animation-duration:.7s}
.od-ok{border-left-color:#1F9D55}
.od-ok .od-dot{background:#1F9D55;animation:none}
.od-update{border-left-color:var(--ink)}
.od-update .od-dot{background:var(--ink);animation:none}
@keyframes od-pulse{0%,100%{opacity:1}50%{opacity:.25}}

.od-btn{
  flex:none;
  padding:7px 12px;
  font:600 12px/1 Archivo,sans-serif;
  color:#fff;
  background:var(--ink);
  border:1px solid var(--ink);
  border-radius:3px;
  cursor:pointer;
  transition:background .15s ease,color .15s ease;
}
.od-btn:hover{background:var(--red);border-color:var(--red)}
.od-btn-ghost{background:none;color:var(--text-2);border-color:var(--border-4)}
.od-btn-ghost:hover{background:none;color:var(--red);border-color:var(--red)}
.od-btn-sm{padding:6px 10px;font-size:11.5px}

.od-x{
  flex:none;
  width:26px;height:26px;
  display:grid;place-items:center;
  font:400 17px/1 Archivo,sans-serif;
  color:var(--text-4);
  background:none;border:0;border-radius:3px;cursor:pointer;
}
.od-x:hover{color:var(--red);background:var(--bg-soft-2)}
.od-x-sm{width:22px;height:22px;font-size:15px}

/* La liste détaillée occupe toute la largeur de la carte */
.od-list{
  grid-column:1 / -1;
  list-style:none;
  margin:6px 0 0;
  padding:10px 0 0;
  border-top:1px solid var(--border-3);
  display:flex;flex-direction:column;gap:10px;
  max-height:min(46vh, 320px);
  overflow-y:auto;
}
.od-list li{display:flex;flex-direction:column;gap:4px}
.od-row-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.od-row-head strong{font:600 12.5px/1.3 Archivo,sans-serif;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.od-when{font:400 11px/1 "IBM Plex Mono",monospace;color:var(--text-5);flex:none}
.od-meta{font:400 11.5px/1.35 Archivo,sans-serif;color:var(--text-3)}
.od-row-actions{display:flex;align-items:center;gap:6px;margin-top:2px}

/* Bandeau discret dans l'en-tête quand la connexion est coupée */
.offline-chip{display:none}
body.is-offline .offline-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;
  font:500 11px/1 "IBM Plex Mono",monospace;letter-spacing:.04em;
  color:var(--text-2);background:var(--bg-soft-2);
  border:1px solid var(--border-2);border-radius:100px;
}
.offline-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--text-4)}

@media (max-width:760px){
  .offline-dock{left:var(--gutter);right:var(--gutter);bottom:14px;width:auto}
  .od-card{grid-template-columns:auto 1fr auto;row-gap:8px}
  .od-card .od-btn{grid-column:auto}
}

@media (prefers-reduced-motion:reduce){
  .od-card{animation:none}
  .od-queue .od-dot{animation:none}
}

/* Variantes du message de confirmation (file d'attente hors ligne / champ manquant) */
.form-success.is-queued{border-color:var(--red-soft);background:#FFF5F6}
.form-success.is-error{border-color:var(--border-4);background:#fff;color:var(--text-2)}

/* Le hors ligne est impossible dans ce contexte (file://, HTTP, SW en échec) */
.od-warn{border-left-color:#C97A11}
.od-warn .od-dot{background:#C97A11;animation:none}
.od-warn .od-text span{color:var(--text-2)}