/* ============================================================
   R-COST — styles.css
   Mobile-first, responsive, vanilla CSS
   ============================================================ */

<!-- Google Fonts -->
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link href="https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,300&family=Space+Grotesk:wght@400;500;600;700&display=swap" rel="stylesheet">

/* ── CSS Custom Properties ────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#F8F9FB;--bg2:#FFFFFF;--bg3:#F0F2F7;
  --border:#E2E4EC;--border2:#CDD0DC;
  --orange:#E87800;--orange2:#F59B20;--orange-light:#FFF3E0;--orange-xlight:#FFFAF3;
  --blue:#2E8BBF;--blue2:#4DA8D8;--blue-light:#E8F4FB;
  --dark:#111318;--text:#2C2F3A;--muted:#6B7080;--muted2:#9298A8;
}
html{scroll-behavior:smooth;margin:0;padding:0}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;margin:0;padding:0}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;line-height:1,5.1,5}

/* NAV */
nav{position:sticky;top:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 48px;height:100px;background:rgba(255,255,255,0.97);backdrop-filter:blur(12px);}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-text{font-family:'Space Grotesk',sans-serif;font-size:19px;font-weight:700;color:var(--dark);letter-spacing:-.3px}
.logo-text span{color:var(--orange)}
.nav-links{display:flex;gap:26px;list-style:none}
.nav-links a{color:var(--text);text-decoration:none;font-size:16px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--dark)}
.nav-cta{background:var(--orange);color:#fff;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:13px;padding:9px 20px;border-radius:8px;text-decoration:none;transition:background .2s}
.nav-cta:hover{background:var(--orange2)}

/* HERO */
.hero{padding:0;position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--border);display:grid;grid-template-columns:1fr 1fr;min-height:560px}
.hero-left{padding:80px 64px 80px 48px;display:flex;flex-direction:column;justify-content:center}
.hero-right{position:relative;overflow:hidden}
.hero-right img{width:100%;height:100%;object-fit:cover;display:block;filter:brightness(.92)}
.hero-right::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.4) 0%,transparent 40%)}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--orange-light);border:1px solid rgba(232,120,0,0.2);color:var(--orange);font-size:12px;font-weight:600;padding:5px 14px;border-radius:20px;margin-bottom:22px;letter-spacing:.4px;text-transform:uppercase}
.hero-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--orange);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:46px;font-weight:700;color:var(--dark);letter-spacing:-1.5px;margin-bottom:18px;line-height:1.1}
.hero h1 em{color:var(--orange);font-style:normal}
.hero-desc{color:var(--muted);font-size:16px;line-height:1.75;margin-bottom:32px;max-width:780px}
.hero-actions{display:flex;gap:12px;align-items:center}
.btn-primary{background:var(--orange);color:#fff;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;padding:13px 28px;border-radius:8px;text-decoration:none;transition:all .2s}
.btn-primary:hover{background:var(--orange2);transform:translateY(-1px)}
.btn-ghost{color:var(--muted);font-size:14px;font-weight:500;text-decoration:none;display:flex;align-items:center;gap:5px;transition:color .2s}
.btn-ghost:hover{color:var(--dark)}

/* METRICS */
.metrics-bar{background:var(--dark);padding:28px 48px}
.metrics-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.metric-item{text-align:center;padding:0 20px;border-right:1px solid rgba(255,255,255,0.1)}
.metric-item:last-child{border-right:none}
.metric-val{font-family:'Space Grotesk',sans-serif;font-size:30px;font-weight:700;color:#fff}
.metric-val em{color:var(--orange2);font-style:normal}
.metric-val em.b{color:var(--blue2);font-style:normal}
.metric-sub{font-size:12px;color:rgba(255,255,255,.4);margin-top:3px}

/* SECTIONS */
section{padding:76px 48px}
.section-inner{max-width:1200px;margin:0 auto}
.section-tag {display: inline-block;background: rgba(232,93,4,0.2);color: var(--orange);font-size: 12px; font-weight: 600; letter-spacing: 1px;text-transform: uppercase;padding: 4px 14px; border-radius: 20px;margin-bottom: 20px;margin-top:20px }
.section-tag.blue{color:var(--blue)}
.section-title{font-size:36px;font-weight:700;color:var(--dark);letter-spacing:-.8px;margin-bottom:14px}
.section-sub{color:var(--muted);font-size:16px;max-width:560px;line-height:1.7}

/* SERVICES */
.services-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px;align-items:start}
.services-first-row{grid-column:1;grid-row:1}
.services-right{grid-column:2;grid-row:1;border-radius:16px;overflow:hidden;align-self:stretch;position:relative;min-height:150px}
.services-left{grid-column:1/-1;display:flex;flex-direction:column;gap:24px}
.service-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.service-pair .services-right{grid-column:2;position:relative;border-radius:16px;overflow:hidden;min-height:150px}
.services-right img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.services-right::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(17,19,24,.7))}
.services-right-caption{position:absolute;bottom:24px;left:24px;right:24px;color:#fff;font-size:14px;font-weight:500;z-index:2}
.services-right-caption strong{display:block;font-family:'Space Grotesk',sans-serif;font-size:18px;margin-bottom:4px}
.service-row{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px 22px;display:flex;gap:16px;align-items:flex-start;transition:all .22s;cursor:default}
.service-row:hover{border-color:rgba(232,120,0,.28);box-shadow:0 3px 14px rgba(232,120,0,.07);transform:translateX(3px)}
.service-row.blue-row:hover{border-color:rgba(46,139,191,.28);box-shadow:0 3px 14px rgba(46,139,191,.07)}
.svc-icon{width:40px;height:40px;border-radius:9px;background:var(--orange-light);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.svc-icon.b{background:var(--blue-light)}
.svc-body h3{font-family:'Space Grotesk',sans-serif;font-size:15px;font-weight:600;color:var(--dark);margin-bottom:4px}
.svc-body p{font-size:12px;color:var(--muted);line-height:1.55}
.svc-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.stag{font-size:11px;padding:2px 8px;border-radius:20px;background:var(--bg3);color:var(--muted);border:1px solid var(--border);font-weight:500}

/* OFFRE */
.offer-section{background:var(--dark)}
.offer-section .section-tag{color:var(--orange2)}
.offer-section .section-title{color:#fff}
.offer-section .section-sub{color:rgba(255,255,255,.45)}
.offer-layout{display:grid;grid-template-columns:240px 1fr;gap:18px;margin-top:44px}
.offer-nav{display:flex;flex-direction:column;gap:3px}
.offer-tab{padding:11px 16px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:500;color:rgba(255,255,255,.4);border:1px solid transparent;transition:all .2s;text-align:left;background:none}
.offer-tab.active{background:rgba(232,120,0,.12);border-color:rgba(232,120,0,.3);color:var(--orange2)}
.offer-tab:hover:not(.active){color:rgba(255,255,255,.8);background:rgba(255,255,255,.05)}
.offer-content{background:#1A1A22;border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:36px}
.offer-content h3{font-family:'Space Grotesk',sans-serif;font-size:21px;font-weight:600;color:#fff;margin-bottom:10px}
.offer-content .lead{color:rgba(255,255,255,.45);font-size:14px;line-height:1.7;margin-bottom:26px}
.features-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.feat-item{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:rgba(255,255,255,.55)}
.feat-item::before{content:'✓';color:var(--orange2);font-weight:700;flex-shrink:0;margin-top:1px}

/* INFOGÉRANCE CTA */
.infog-cta{background:var(--orange-xlight);border:1px solid rgba(232,120,0,.18);border-radius:12px;padding:22px 26px;margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.infog-cta p{font-size:13px;color:var(--muted);max-width:520px;line-height:1.6}
.infog-cta p strong{color:var(--dark)}
.infog-cta a{background:var(--orange);color:#fff;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:13px;padding:10px 20px;border-radius:8px;text-decoration:none;white-space:nowrap;flex-shrink:0;transition:background .2s}
.infog-cta a:hover{background:var(--orange2)}

/* CHARTE */
.charte-section{background:var(--bg3);border-top:1px solid var(--border)}
.charte-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px;counter-reset:charte}
.charte-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:32px 22px 24px;position:relative;overflow:hidden;
  transition:transform .22s,box-shadow .22s,border-color .22s;
  counter-increment:charte
}
.charte-item::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--orange),var(--orange2));
  border-radius:16px 16px 0 0
}
.charte-item::after{
  content:counter(charte,decimal-leading-zero);
  position:absolute;top:14px;right:16px;
  font-family:'Space Grotesk',sans-serif;font-size:11px;font-weight:700;
  color:var(--border2);letter-spacing:.5px
}
.charte-item:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(232,120,0,.1);border-color:rgba(232,120,0,.28)}
.charte-title{display:flex;align-items:baseline;margin-bottom:14px}
.charte-letter{
  font-size:64px;font-weight:800;font-family:'Space Grotesk',sans-serif;
  background:linear-gradient(135deg,var(--orange) 0%,var(--orange2) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;line-height:1;margin-right:1px
}
.charte-word{font-size:20px;font-weight:600;color:var(--dark);font-family:'Space Grotesk',sans-serif;line-height:1;padding-bottom:4px}
.charte-desc{font-size:13px;color:var(--muted);line-height:1.65;border-top:1px solid var(--border);padding-top:12px;margin-top:2px}

/* PARTENAIRES */
.partners-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:24px;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff}
.partner-group{padding:36px;border-right:1px solid var(--border)}
.partner-group:last-child{border-right:none}
.partner-group h3{font-size:21px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--muted2);margin-bottom:14px}
.partner-chips{display:flex;flex-wrap:wrap;gap:10px}
.pchip{background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:5px 11px;font-size:12px;font-weight:500;color:var(--muted)}

/* RÉFÉRENCES */
.refs-section{background:var(--bg3);border-top:1px solid var(--border)}
.refs-intro{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:44px}
.logo-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:0}
.ref-logo-card{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  padding:22px 20px;
  display:flex;flex-direction:column;
  transition:all .22s;cursor:default;
}
.ref-logo-card:hover{border-color:rgba(46,139,191,.3);box-shadow:0 4px 16px rgba(46,139,191,.07);transform:translateY(-2px)}
.ref-logo-box{height:48px;display:flex;align-items:center;margin-bottom:14px}
/* Wordmarks SVG inline */
.ref-desc{font-size:12px;color:var(--muted);line-height:1.6;flex:1}
.ref-sector{display:inline-block;margin-top:12px;font-size:11px;color:var(--blue);font-weight:600;letter-spacing:.4px;text-transform:uppercase;background:var(--blue-light);padding:3px 10px;border-radius:20px}

/* SPLIT IMAGE SECTION */
.split-section{display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.split-img{position:relative;overflow:hidden;min-height:100%}
.split-img img{width:100%;height:100%;object-fit:cover;display:block;position:absolute;inset:0}
.split-content{background:var(--dark);padding:34px 52px;display:flex;flex-direction:column;justify-content:center}
.split-content .section-tag{color:var(--orange2);margin-bottom:20px}
.split-content .section-title{color:#fff;font-size:30px;margin-bottom:16px}
.split-content p{color:rgba(255,255,255,.75);font-size:14px;line-height:1.75;margin-bottom:24px}
.rcost-feats{display:flex;flex-direction:column;gap:18px}
.rcost-feat{display:flex;gap:13px;align-items:flex-start}
.rcost-feat-icon{width:34px;height:34px;border-radius:7px;background:rgba(232,120,0,.15);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.rcost-feat h4{font-size:13px;font-weight:600;color:#fff;margin-bottom:2px}
.rcost-feat p{font-size:12px;color:rgba(255,255,255,.75)}
.rcost-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:28px}
.rcost-mini{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:8px;padding:14px;text-align:center}
.rcost-mini strong{display:block;font-family:'Space Grotesk',sans-serif;font-size:22px;color:#fff;font-weight:700}
.rcost-mini strong em{color:var(--orange2);font-style:normal}
.rcost-mini span{font-size:13px;font-weight:600;color:#fff}

/* NEWS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:44px}
.news-card{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:box-shadow .2s}
.news-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.07)}
.news-card-img{height:140px;overflow:hidden;position:relative}
.news-card-img img{width:100%;height:100%;object-fit:cover}
.news-card-body{padding:20px}
.news-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;padding:3px 10px;border-radius:20px;display:inline-block;margin-bottom:10px}
.news-label.cyber{background:#FEE8E8;color:#C0392B}
.news-label.windows{background:#E3F0FB;color:#1A6EA8}
.news-label.eu{background:#FFF8E0;color:#8A6500}
.news-card h4{font-size:14px;font-weight:600;color:var(--dark);margin-bottom:6px;line-height:1.4}
.news-card p{font-size:12px;color:var(--muted);line-height:1.65}
.news-link{display:inline-flex;align-items:center;gap:4px;margin-top:12px;font-size:12px;color:var(--orange);font-weight:600;text-decoration:none}

/* QUOTE */
.quote-section{padding:64px 48px;background:var(--dark)}
.quote-inner{max-width:860px;margin:0 auto;text-align:center}
.qmark{font-size:72px;color:var(--orange);opacity:.2;font-family:Georgia,serif;line-height:.4;margin-bottom:20px}
.qtext{font-size:18px;color:rgba(255,255,255,.75);line-height:1.75;font-weight:300;font-style:italic}
.qauthor{margin-top:24px;font-size:13px;color:rgba(255,255,255,.3)}
.qauthor strong{color:var(--orange2)}

/* CONTACT */
.contact-section{background:#fff;border-top:1px solid var(--border)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:44px;align-items:start}
.contact-grid>*{min-width:0;overflow:hidden}
.contact-info h3{font-family:'Space Grotesk',sans-serif;font-size:20px;color:var(--dark);margin-bottom:14px;font-weight:600}
.contact-info .desc{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:22px}
.contact-row {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}
.cdetail{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;font-size:14px;color:var(--muted)}
.cdetail strong{color:var(--dark)}
.contact-img{border-radius:14px;overflow:hidden;height:180px;margin-bottom:22px}
.contact-img img{width:100%;height:100%;object-fit:cover}
.recru-box{padding:18px;background:var(--blue-light);border:1px solid rgba(46,139,191,.2);border-radius:10px}
.recru-box .rlabel{font-size:12px;color:var(--blue);font-weight:600;margin-bottom:4px}
.recru-box p{font-size:13px;color:var(--muted)}
.recru-box strong{color:var(--dark)}
.cform{background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:32px;min-width:0;overflow:hidden;box-sizing:border-box}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fg{margin-bottom:13px}
.fg label{display:block;font-size:11px;font-weight:600;color:var(--muted2);margin-bottom:5px;text-transform:uppercase;letter-spacing:.5px}
.fg input:not([type=checkbox]),.fg select,.fg textarea{width:100%;max-width:100%;background:#fff;border:1px solid var(--border);border-radius:7px;padding:10px 13px;color:var(--text);font-size:14px;font-family:'DM Sans',sans-serif;transition:border-color .2s;box-sizing:border-box}
.fg input[type=checkbox]{width:auto;flex-shrink:0}
.fg input:focus,.fg select:focus,.fg textarea:focus{outline:none;border-color:var(--orange)}
.fg textarea{height:96px;resize:vertical}
.fg select{appearance:none}
.fsub{width:100%;background:var(--orange);color:#fff;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:14px;padding:13px;border:none;border-radius:8px;cursor:pointer;transition:background .2s;margin-top:6px}
.fsub:hover{background:var(--orange2)}
.fnote{font-size:11px;color:var(--muted2);text-align:center;margin-top:8px}

/* FOOTER */
footer{background:#111318;padding:64px 48px 28px;border-top:1px solid rgba(255,255,255,.06)}
.footer-inner{max-width:1200px;margin:0 auto}
.footer__main{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer__col{display:flex;flex-direction:column}
.footer__logo{width:80px;height:auto;opacity:.85;margin-bottom:18px;filter:brightness(0) invert(1)}
.footer__address{font-style:normal;font-size:13px;color:rgba(255,255,255,.35);line-height:1.7;margin-bottom:16px}
.footer__socials{display:flex;gap:10px;margin-top:4px}
.footer__social-link{width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.45);transition:all .2s;text-decoration:none}
.footer__social-link:hover{background:var(--orange);color:#fff}
.footer__social-link svg{width:15px;height:15px}
.footer__col-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.2);margin-bottom:14px}
.footer__links{list-style:none}
.footer__links li{margin-bottom:0}
.footer__link{display:block;font-size:13px;color:rgba(255,255,255,.38);text-decoration:none;padding:4px 0;transition:color .2s}
.footer__link:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:20px}
.footer__legal{font-size:12px;color:rgba(255,255,255,.2);line-height:1.8}
.footer__legal-link{color:rgba(255,255,255,.3);text-decoration:none;transition:color .2s}
.footer__legal-link:hover{color:rgba(255,255,255,.7)}

/* ============================================================
   BURGER BUTTON (desktop = caché)
   ============================================================ */
.burger-btn{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;background:none;border:none;cursor:pointer;padding:0;flex-shrink:0}
.burger-btn span{display:block;width:24px;height:2px;background:var(--dark);border-radius:2px;transition:transform .25s,opacity .25s}
.burger-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger-btn.open span:nth-child(2){opacity:0}
.burger-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   RESPONSIVE — TABLETTE (≤ 1024px)
   ============================================================ */
@media(max-width:1024px){
  /* NAV */
  nav{padding:0 16px;height:100px;position:sticky;overflow:visible}
  .burger-btn{display:flex}
  .nav-links{
    display:none;
    position:absolute;
    top:100px;left:0;right:0;
    flex-direction:column;
    gap:0;
    background:#ffffff;
    padding:8px 0;
    overflow-y:auto;
    max-height:calc(100vh - 100px);
    z-index:500;
    border-top:2px solid var(--orange);
    border-bottom:1px solid var(--border);
    box-shadow:0 8px 24px rgba(0,0,0,0.12);
    list-style:none;
    margin:0
  }
  .nav-links.nav-open{display:flex}
  .nav-links li{width:100%;list-style:none;margin:0;padding:0}
  .nav-links a{
    display:block;
    padding:16px 28px;
    font-size:16px;
    font-weight:500;
    color:#111318;
    text-decoration:none;
    border-bottom:1px solid #E2E4EC;
    background:#ffffff
  }
  .nav-links a:hover{background:#F8F9FB;color:var(--orange)}
  /* HERO */
  .hero{grid-template-columns:1fr;min-height:auto}
  .hero-left{padding:56px 32px 40px}
  .hero-right{height:280px}
  /* METRICS */
  .metrics-inner{grid-template-columns:repeat(2,1fr)}
  .metric-item:nth-child(2){border-right:none}
  .metric-item:nth-child(3){border-top:1px solid rgba(255,255,255,.1)}
  /* SECTIONS */
  section{padding:56px 24px}
  /* SERVICES */
  .services-layout{grid-template-columns:1fr}
  .services-first-row{grid-column:1;grid-row:1}
  .services-right{grid-column:1;grid-row:2;height:260px;min-height:260px}
  .services-left{grid-column:1;grid-row:3}
  .service-pair{grid-template-columns:1fr}
  .service-pair .services-right{grid-column:1;height:220px;min-height:220px;align-self:auto}
  /* OFFER */
  .offer-layout{grid-template-columns:1fr}
  .offer-nav{flex-direction:row;flex-wrap:wrap;gap:6px}
  .offer-tab{flex:1 1 auto;text-align:center}
  .features-list{grid-template-columns:1fr}
  /* INFOG CTA */
  .infog-cta{flex-direction:column;align-items:flex-start}
  /* CHARTE */
  .charte-grid{grid-template-columns:repeat(2,1fr)}
  /* PARTENAIRES */
  .partners-row{grid-template-columns:repeat(2,1fr)}
  .partner-group:nth-child(2){border-right:none}
  .partner-group:nth-child(3){border-top:1px solid var(--border)}
  /* REFS */
  .logo-strip{grid-template-columns:repeat(2,1fr)}
  .refs-intro{flex-direction:column;gap:16px}
  /* SPLIT */
  .split-section{grid-template-columns:1fr}
  .split-img{height:300px}
  .split-content{padding:36px 32px}
  /* NEWS */
  .news-grid{grid-template-columns:repeat(2,1fr)}
  /* CONTACT */
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .form-row{grid-template-columns:1fr}
  /* QUOTE */
  .quote-section{padding:48px 24px}
  /* FOOTER */
  footer{padding:48px 24px 24px}
  .footer__main{grid-template-columns:1fr 1fr;gap:32px}
  .footer__col:first-child{grid-column:1/-1}
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 600px)
   ============================================================ */
@media(max-width:600px){
  /* NAV */
  nav{padding:0 16px;height:90px;margin-bottom:10px}
  .nav-links{top:70px}
  .nav-links a{font-size:16px;padding:13px 20px}
  /* HERO */
  .hero-left{padding:40px 20px 32px}
  .hero h1{font-size:28px;letter-spacing:-1px}
  .hero-desc{font-size:14px}
  .hero-right{height:200px}
  .hero-actions{flex-direction:column;align-items:flex-start;gap:10px}
  /* METRICS */
  .metrics-bar{padding:20px 16px}
  .metrics-inner{grid-template-columns:1fr 1fr}
  .metric-item{padding:10px}
  .metric-val{font-size:22px}
  /* SECTIONS */
  section{padding:40px 16px}
  .section-title{font-size:26px}
  /* CHARTE */
  .charte-grid{grid-template-columns:1fr}
  /* PARTENAIRES */
  .partners-row{grid-template-columns:1fr}
  .partner-group{border-right:none;border-bottom:1px solid var(--border)}
  .partner-group:last-child{border-bottom:none}
  /* REFS */
  .logo-strip{grid-template-columns:1fr}
  /* SPLIT */
  .split-section{padding:0 !important}
  .split-img{height:300px;max-height:300px}
  .split-img img{object-position:center calc(50% + 200px)}
  .split-content{padding:28px 20px}
  .rcost-stats{grid-template-columns:1fr 1fr}
  /* NEWS */
  .news-grid{grid-template-columns:1fr}
  /* OFFER */
  .offer-nav{flex-direction:column}
  .offer-tab{width:100%}
  .offer-content{padding:20px}
  /* CONTACT */
  .contact-grid{gap:24px}
  .cform{padding:20px}
  .contact-row{flex-direction:column;gap:10px}
  /* QUOTE */
  .qtext{font-size:15px}
  /* FOOTER */
  footer{padding:32px 16px 16px}
  .footer__main{grid-template-columns:1fr;gap:28px}
  .footer__col:first-child{grid-column:auto}
  /* HERO BADGE */
  .hero-badge{font-size:11px}
}