/* =========================================================
   NEW THECGRAPH — feuille de style principale
   Identité : vert lime #C2D62E + gris anthracite #58595B
   ========================================================= */

:root{
  --lime:#C2D62E;
  --lime-d:#A8BB18;
  --lime-l:#E4EE9C;
  --lime-soft:#F4F8DD;
  --grey:#58595B;
  --grey-d:#3E3F41;
  --ink:#26272A;
  --muted:#6E7175;
  --line:#E4E6E0;
  --bg:#FFFFFF;
  --bg-alt:#F6F7F3;
  --radius:14px;
  --shadow:0 2px 4px rgba(38,39,42,.04),0 12px 32px rgba(38,39,42,.07);
  --shadow-lg:0 8px 20px rgba(38,39,42,.08),0 28px 60px rgba(38,39,42,.12);
  --ease:cubic-bezier(.22,.68,0,1);
  --maxw:1200px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Barlow','Segoe UI',system-ui,-apple-system,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
.fi{display:inline-flex;align-items:center;justify-content:center;flex:none;width:1em;height:1em;font-size:20px;line-height:1}
a{color:inherit;text-decoration:none}
ul{list-style:none}
:focus-visible{outline:3px solid var(--lime-d);outline-offset:2px;border-radius:4px}

h1,h2,h3,h4{line-height:1.14;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:clamp(56px,7vw,104px) 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding-top:clamp(36px,4vw,56px)}

/* ---------- éléments de titrage ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--grey);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--lime);border-radius:2px}
.eyebrow--light{color:#fff}
.sec-head{max-width:760px;margin-bottom:clamp(32px,4vw,52px)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head p{color:var(--muted);font-size:1.06rem;margin-top:14px}
.lime{color:var(--lime-d)}
.hl{
  background:linear-gradient(transparent 62%,var(--lime-l) 62%);
  padding:0 .08em;
}

/* ---------- boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border:2px solid transparent;border-radius:9px;
  font-weight:700;font-size:.98rem;letter-spacing:.01em;cursor:pointer;
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;
  white-space:nowrap;
}
.btn .fi{font-size:18px}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 22px rgba(194,214,46,.36)}
.btn-primary:hover{background:var(--lime-d);transform:translateY(-2px);box-shadow:0 12px 28px rgba(168,187,24,.42)}
.btn-dark{background:var(--grey-d);color:#fff}
.btn-dark:hover{background:var(--ink);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{padding:10px 18px;font-size:.9rem}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--lime);padding-bottom:2px;transition:gap .25s var(--ease),color .2s;
  white-space:nowrap;
}
.link-arrow .fi{font-size:17px}
.link-arrow:hover{gap:12px;color:var(--lime-d)}

/* =========================================================
   LOGO
   ========================================================= */
.logo{display:flex;align-items:center;gap:11px}
.logo-img{height:46px;width:auto;max-width:220px;object-fit:contain;flex:none;display:block}
.logo-mark{width:44px;height:44px;flex:none;object-fit:contain}
.site-footer .logo-img{height:58px;max-width:250px;margin-bottom:16px}

/* =========================================================
   TOPBAR + HEADER
   ========================================================= */
.topbar{background:var(--grey-d);color:#D8DAD6;font-size:.83rem}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px}
.topbar-l{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.topbar a{display:inline-flex;align-items:center;gap:7px;transition:color .2s}
.topbar a:hover{color:var(--lime)}
.topbar .fi{font-size:14px;color:var(--lime)}
.topbar-tag{color:var(--lime);font-weight:600;letter-spacing:.05em;text-transform:uppercase;font-size:.74rem}

.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.stuck{box-shadow:0 4px 24px rgba(38,39,42,.09)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.menu{display:flex;align-items:center;gap:4px}
.menu > li > a{
  display:block;padding:10px 14px;border-radius:8px;font-weight:600;font-size:.97rem;color:var(--grey);
  transition:color .2s,background .2s;
}
.menu > li > a:hover{color:var(--ink);background:var(--bg-alt)}
.menu > li > a.active{color:var(--ink)}
.menu > li > a.active::after{
  content:"";display:block;height:3px;width:22px;background:var(--lime);border-radius:2px;margin:5px auto -2px;
}
.nav-cta{margin-left:10px}

/* sous-menu services */
.has-sub{position:relative}
.has-sub > a::before{content:"";}
.subwrap{
  position:absolute;top:100%;left:-14px;min-width:330px;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.has-sub:hover .subwrap,.has-sub:focus-within .subwrap{opacity:1;visibility:visible;transform:translateY(0)}
.subwrap a{display:block;padding:9px 13px;border-radius:8px;font-size:.93rem;font-weight:600;color:var(--grey);transition:.2s}
.subwrap a:hover{background:var(--lime-soft);color:var(--ink)}

.burger{display:none;background:none;border:0;padding:9px;cursor:pointer}
.burger span{display:block;width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.burger span+span{margin-top:5px}
.burger.on span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;background:#fff;overflow:hidden;isolation:isolate}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:var(--bg-alt);
  clip-path:polygon(0 0,100% 0,100% 62%,0 100%);
}
.hero::after{
  content:"";position:absolute;top:0;right:0;width:56%;height:100%;z-index:-1;
  background:var(--lime);
  clip-path:polygon(38% 0,100% 0,100% 78%,0 0);
  opacity:.95;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,60px);align-items:center;
  padding:clamp(48px,6vw,86px) 0 clamp(40px,5vw,70px);
}
.hero h1{margin-bottom:18px}
.hero-text{font-size:1.09rem;color:var(--grey);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:32px}
.hero-tags li{
  font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  background:#fff;border:1px solid var(--line);padding:7px 14px;border-radius:100px;color:var(--grey);
}
.hero-art{position:relative}
.hero-art .art-card{
  background:#fff;border-radius:20px;box-shadow:var(--shadow-lg);padding:26px;
  border:1px solid rgba(255,255,255,.6);
}
.hero-badge{
  position:absolute;left:-26px;bottom:-30px;background:var(--grey-d);color:#fff;
  border-radius:13px;padding:15px 20px;box-shadow:var(--shadow-lg);max-width:230px;
}
.hero-badge b{display:block;color:var(--lime);font-size:1.5rem;line-height:1.1}
.hero-badge span{font-size:.83rem;color:#C9CBC6;line-height:1.35;display:block;margin-top:3px}

/* bandeau chiffres */
.stats{background:var(--grey-d);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:rgba(255,255,255,.09)}
.stat{background:var(--grey-d);padding:30px 22px;text-align:center}
.stat b{display:block;font-size:clamp(1.7rem,3vw,2.4rem);font-weight:900;color:var(--lime);line-height:1}
.stat span{display:block;font-size:.9rem;color:#C6C8C3;margin-top:7px}

/* =========================================================
   CARTES SERVICES
   ========================================================= */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.card-svc{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px 26px;display:flex;flex-direction:column;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card-svc::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .38s var(--ease);
}
.card-svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card-svc:hover::before{transform:scaleX(1)}
.card-ico{
  width:58px;height:58px;border-radius:13px;background:var(--lime-soft);
  display:grid;place-items:center;margin-bottom:18px;transition:background .3s;
}
.card-ico .fi{font-size:30px;color:var(--grey-d)}
.card-svc:hover .card-ico{background:var(--lime)}
.card-svc h3{margin-bottom:9px}
.card-svc p{color:var(--muted);font-size:.97rem;flex:1}
.card-svc .link-arrow{margin-top:18px;align-self:flex-start;font-size:.94rem}

/* =========================================================
   BLOCS GÉNÉRIQUES
   ========================================================= */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:center}
.split--art{gap:clamp(30px,4vw,54px)}

.checklist{display:grid;gap:13px;margin-top:24px}
.checklist li{position:relative;padding-left:36px;color:var(--grey);font-size:1.01rem}
.checklist li::before{
  content:"";position:absolute;left:0;top:4px;width:22px;height:22px;border-radius:50%;
  background:var(--lime) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6.5 9.4 17.1 4 11.7' fill='none' stroke='%2326272A' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px 13px no-repeat;
}
.checklist--plain li::before{
  background:var(--lime);width:9px;height:9px;top:11px;left:5px;
}

.mini-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:box-shadow .3s var(--ease),transform .3s var(--ease);
}
.mini:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.mini h4{font-size:1.05rem;margin-bottom:8px}
.mini p{color:var(--muted);font-size:.95rem}

/* étapes */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;counter-reset:st}
.step{position:relative;padding-top:16px}
.step::before{
  counter-increment:st;content:"0" counter(st);
  font-size:2.6rem;font-weight:900;color:var(--lime);line-height:1;display:block;margin-bottom:10px;
}
.step h4{font-size:1.08rem;margin-bottom:7px}
.step p{color:var(--muted);font-size:.95rem}
.step::after{
  content:"";position:absolute;top:30px;left:calc(100% - 6px);width:34px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px);
}
.steps .step:last-child::after{display:none}

/* secteurs */
.sectors{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.sector{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;
  display:flex;align-items:center;gap:13px;font-weight:600;color:var(--grey);font-size:.97rem;
  transition:border-color .25s,transform .25s var(--ease);
}
.sector:hover{border-color:var(--lime);transform:translateY(-3px)}
.sector .fi{font-size:26px;color:var(--lime-d)}

/* references clients — fond CLAIR : grayscale au repos, couleur au survol.
   (Sur bysignature, fond noir, c'est l'inverse : brightness(0) invert(1).) */
.refs{--cols:6;--refs-gap:14px;display:flex;flex-wrap:wrap;justify-content:center;gap:var(--refs-gap);list-style:none;margin:0;padding:0}
.refs>li{flex:0 1 calc((100% - (var(--cols) - 1) * var(--refs-gap)) / var(--cols))}
.refs-link{
  display:grid;place-items:center;height:112px;padding:18px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  transition:border-color .25s,transform .25s var(--ease),box-shadow .25s;
}
a.refs-link:hover,a.refs-link:focus-visible{border-color:var(--lime);transform:translateY(-3px);box-shadow:var(--shadow)}
.refs-link img{
  max-width:100%;max-height:var(--mh,44px);width:auto;height:auto;
  filter:grayscale(1);opacity:.62;transition:filter .25s,opacity .25s;
}
a.refs-link:hover img,a.refs-link:focus-visible img{filter:none;opacity:1}

/* =========================================================
   PRODUIT PHARE
   ========================================================= */
.feature{
  position:relative;background:var(--grey-d);color:#fff;border-radius:var(--radius);
  overflow:hidden;padding:clamp(30px,4vw,54px);
}
.feature::after{
  content:"";position:absolute;top:0;right:0;width:42%;height:100%;
  background:var(--lime);opacity:.14;clip-path:polygon(34% 0,100% 0,100% 100%,0 100%);
}
.feature-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(26px,4vw,50px);align-items:center}
.feature h2,.feature h3{color:#fff}
.feature p{color:#C9CBC6}
.feature .checklist li{color:#DDDFDB}
.feature-sku{
  display:inline-block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  padding:5px 12px;border-radius:100px;color:var(--lime);margin-bottom:16px;
}

/* tableau de specs */
.spec-table{width:100%;border-collapse:collapse;font-size:.95rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table tr+tr{border-top:1px solid var(--line)}
.spec-table th{
  text-align:left;font-weight:700;color:var(--ink);background:var(--bg-alt);
  padding:13px 18px;width:40%;vertical-align:top;
}
.spec-table td{padding:13px 18px;color:var(--grey);vertical-align:top}

/* =========================================================
   FAQ
   ========================================================= */
.faq{display:grid;gap:12px;max-width:860px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .25s}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-weight:700;font-size:1.02rem;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;margin-top:-6px;
  border-right:2.5px solid var(--lime-d);border-bottom:2.5px solid var(--lime-d);
  transform:rotate(45deg);transition:transform .3s var(--ease);
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .faq-a{padding:0 22px 20px;color:var(--muted);font-size:.99rem}

/* =========================================================
   CTA BANDE
   ========================================================= */
.cta-band{position:relative;background:var(--lime);overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;background:var(--grey-d);
  clip-path:polygon(64% 0,100% 0,100% 100%,44% 100%);opacity:.96;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;padding:clamp(38px,5vw,62px) 0}
.cta-inner h2{max-width:20ch}
.cta-inner p{color:var(--grey-d);margin-top:12px;font-weight:500;max-width:52ch}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-actions .btn{width:100%}

/* =========================================================
   PAGE INTÉRIEURE — bandeau
   ========================================================= */
.pagehead{position:relative;background:var(--bg-alt);overflow:hidden;isolation:isolate}
.pagehead::after{
  content:"";position:absolute;top:0;right:0;width:46%;height:100%;z-index:-1;
  background:var(--lime);clip-path:polygon(46% 0,100% 0,100% 100%,0 0);opacity:.9;
}
.pagehead-in{padding:clamp(36px,5vw,64px) 0;max-width:760px}
.pagehead h1{margin-bottom:14px}
.pagehead p{color:var(--grey);font-size:1.08rem;max-width:60ch}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.86rem;color:var(--muted);margin-bottom:16px}
.crumbs a:hover{color:var(--lime-d)}
.crumbs span{opacity:.5}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,54px);align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,36px);box-shadow:var(--shadow)}
.field{margin-bottom:17px}
.field label{display:block;font-size:.88rem;font-weight:700;margin-bottom:7px;color:var(--grey-d)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:9px;
  font-family:inherit;font-size:1rem;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(194,214,46,.22);
}
.field textarea{resize:vertical;min-height:130px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:.84rem;color:var(--muted);margin-top:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.info-list{display:grid;gap:14px}
.info-item{
  display:flex;gap:15px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;
}
.info-item .i{
  width:42px;height:42px;border-radius:11px;background:var(--lime-soft);display:grid;place-items:center;flex:none;
}
.info-item .i .fi{font-size:20px;color:var(--grey-d)}
.info-item h4{font-size:.86rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700;margin-bottom:4px}
.info-item p,.info-item a{color:var(--ink);font-weight:600;font-size:1rem;line-height:1.5}
.info-item a:hover{color:var(--lime-d)}
.info-item .small{font-weight:500;color:var(--grey);font-size:.94rem}

.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);line-height:0;background:var(--bg-alt)}
.map-wrap iframe{width:100%;height:380px;border:0}

.alert{border-radius:11px;padding:15px 18px;margin-bottom:22px;font-size:.97rem;font-weight:600}
.alert.ok{background:var(--lime-soft);color:#4C5A00;border:1px solid var(--lime)}
.alert.ko{background:#FDECEA;color:#B3261E;border:1px solid #F5C2BE}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--ink);color:#B9BCB6;font-size:.95rem;padding-top:clamp(46px,5vw,72px)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:44px}
.foot-about p{margin-top:16px;max-width:38ch;color:#A6A9A3}
.foot-social{display:flex;gap:10px;margin-top:20px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.07);display:grid;place-items:center;
  transition:background .25s,transform .25s var(--ease);
}
.foot-social a:hover{background:var(--lime);transform:translateY(-2px)}
.foot-social a:hover .fi{color:var(--ink)}
.foot-social .fi{font-size:17px;color:#fff}
.site-footer h4{color:#fff;font-size:.86rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:18px}
.foot-links{display:grid;gap:10px}
.foot-links a{color:#A6A9A3;transition:color .2s,padding-left .2s}
.foot-links a:hover{color:var(--lime);padding-left:4px}
.foot-contact li{display:flex;gap:11px;color:#A6A9A3;line-height:1.5}
.foot-contact .fi{font-size:17px;color:var(--lime);margin-top:4px}
.foot-contact a{color:#A6A9A3}
.foot-contact a:hover{color:var(--lime)}
.foot-legal{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:.83rem;color:#7E817C;
}

/* bulle WhatsApp */
.wa{
  position:fixed;right:18px;bottom:18px;z-index:90;width:56px;height:56px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.42);
  transition:transform .25s var(--ease);
}
.wa:hover{transform:scale(1.08)}
.wa .fi{font-size:29px;color:#fff}

/* =========================================================
   ANIMATIONS
   ========================================================= */
/* l'animation ne s'applique que si JavaScript est actif : sans JS le contenu reste visible */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1000px){
  .refs{--cols:3}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-grid,.split,.feature-grid,.contact-grid,.cta-inner{grid-template-columns:1fr}
  .cta-band::before{clip-path:polygon(0 62%,100% 48%,100% 100%,0 100%)}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .cta-actions .btn{width:auto;flex:1 1 200px}
  .hero-art{order:-1;max-width:520px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}
@media (max-width:880px){
  body{font-size:16px}
  .topbar .hide-sm{display:none}
  .topbar .container{justify-content:center}
  .burger{display:block}
  .menu{
    position:fixed;top:0;right:-100%;width:min(86vw,340px);height:100dvh;background:#fff;
    flex-direction:column;align-items:stretch;gap:2px;padding:88px 20px 30px;
    box-shadow:-8px 0 40px rgba(0,0,0,.18);transition:right .38s var(--ease);overflow-y:auto;z-index:95;
  }
  .menu.open{right:0}
  .menu > li > a{padding:13px 12px;font-size:1.05rem;border-bottom:1px solid var(--line);border-radius:0}
  .menu > li > a.active::after{margin:5px 0 -2px}
  .nav-cta{margin:16px 0 0}
  .nav-cta .btn{width:100%}
  .subwrap{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    min-width:0;padding:4px 0 10px 8px;display:block;border-bottom:1px solid var(--line);
  }
  .subwrap a{font-size:.94rem;padding:8px 10px;color:var(--muted)}
  .burger{position:relative;z-index:100}
  .nav-backdrop{
    position:fixed;inset:0;background:rgba(20,21,22,.5);opacity:0;visibility:hidden;
    transition:opacity .3s;z-index:70; /* sous l'en-tête (80) qui contient le tiroir */
  }
  .nav-backdrop.on{opacity:1;visibility:visible}
  .hero::after{width:100%;height:44%;clip-path:polygon(0 0,100% 0,100% 62%,0 100%)}
  .hero-badge{position:static;margin-top:16px;max-width:none}
}
@media (max-width:560px){
  .refs{--cols:2}
  .refs-link{height:96px;padding:14px}
  .two-col{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:1px}
  .stat{padding:22px;display:flex;align-items:baseline;gap:12px;justify-content:center}
  .stat b{font-size:1.7rem}
  .hero-actions .btn{width:100%}
}