:root{
  --paper:#f7f3ee;
  --paper-2:#fffaf5;
  --ink:#11110f;
  --muted:#5d5851;
  --soft:#dcd4ca;
  --line:#e6ded4;
  --red:#ed1c24;
  --red-dark:#c81018;
  --shadow:0 32px 90px rgba(22,17,12,.14);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Aptos,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}

.site-header{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 clamp(24px,4.7vw,78px);position:sticky;top:0;z-index:20;background:rgba(247,243,238,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;justify-self:start}
.brand img{width:48px;height:48px;object-fit:contain;display:block}
.nav-links{display:flex;align-items:center;gap:34px;font-size:15px;font-weight:650;color:#4a453f}
.nav-links a{transition:color .18s ease}
.nav-links a:hover{color:var(--red)}
.lang-toggle{justify-self:end;border:1px solid var(--soft);background:#fffaf6;border-radius:999px;padding:10px 15px;font-weight:800;cursor:pointer}

.hero{min-height:calc(100vh - 78px);display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.7fr);gap:clamp(44px,6vw,96px);align-items:center;padding:clamp(64px,8vw,126px) clamp(24px,5vw,94px);position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:42vw;height:42vw;right:-18vw;top:-14vw;border-radius:50%;background:radial-gradient(circle,rgba(237,28,36,.12),rgba(237,28,36,0) 64%);pointer-events:none}
.hero-copy{position:relative;z-index:1}
.eyebrow{margin:0 0 18px;color:var(--red);text-transform:uppercase;letter-spacing:.28em;font-size:11px;font-weight:900}
.hero h1{max-width:880px;margin:0 0 28px;font-size:clamp(56px,5.8vw,100px);line-height:.96;letter-spacing:-.062em;font-weight:900}
.hero-lead{max-width:740px;margin:0;color:#292620;font-size:clamp(23px,1.95vw,31px);line-height:1.22;letter-spacing:-.025em}

.value-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;max-width:780px}
.value-line span{display:inline-flex;align-items:center;border:1px solid var(--line);background:#fffaf6;border-radius:999px;padding:10px 14px;font-size:14px;font-weight:800;color:var(--ink)}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:15px 24px;border:1px solid var(--ink);font-size:15px;font-weight:850;line-height:1;transition:transform .18s ease,background .18s ease,color .18s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--red);border-color:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark)}
.btn-quiet{background:#fffaf6;color:var(--ink)}

.hero-card{min-height:445px;border-radius:32px;padding:32px;background:radial-gradient(circle at 88% 92%,rgba(237,28,36,.70),rgba(237,28,36,.08) 29%,rgba(0,0,0,0) 52%),linear-gradient(145deg,#151515,#211d1b 66%,#111);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-card:before{content:"";position:absolute;right:-120px;top:-120px;width:330px;height:330px;border:1px solid rgba(255,255,255,.12);border-radius:50%}
.card-logo{width:38px;height:38px;object-fit:contain}
.card-line{height:1px;background:rgba(255,255,255,.22);margin:72px 0 30px}
.hero-card p{margin:0;padding:23px 0;border-bottom:1px solid rgba(255,255,255,.20);font-size:clamp(34px,3vw,54px);line-height:.98;letter-spacing:-.055em;font-weight:900}

.hero-accordion{
  margin:0;
}

.hero-accordion-item{
  border-bottom:1px solid rgba(255,255,255,.20);
}

.hero-toggle{
  width:100%;
  min-height:86px;
  padding:23px 64px 23px 0;
  border:0;
  background:transparent;
  color:#fff;
  text-align:left;
  font:inherit;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:relative;
  touch-action:manipulation;
}

.hero-toggle > span:not(.hero-plus){
  font-size:clamp(34px,3vw,54px);
  line-height:.98;
  letter-spacing:-.055em;
  font-weight:900;
}

.hero-plus{
  position:absolute;
  top:0;
  right:0;
  width:64px;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  font-size:32px;
  line-height:1;
  font-weight:300;
  color:rgba(255,255,255,.72);
  pointer-events:none;
}

.hero-toggle[aria-expanded="true"] .hero-plus{
  font-size:0;
  color:rgba(255,255,255,.82);
}

.hero-toggle[aria-expanded="true"] .hero-plus::before{
  content:"−";
  font-size:34px;
  line-height:1;
}

.hero-toggle:hover span{
  color:#fff;
}

.hero-panel{
  padding:0 0 24px;
}

.hero-panel p{
  margin:0;
  padding:0;
  border:0;
  max-width:360px;
  font-size:17px;
  line-height:1.42;
  letter-spacing:0;
  font-weight:500;
  color:rgba(255,255,255,.72);
}

.hero-panel[hidden]{
  display:none;
}


.section{padding:clamp(68px,7.6vw,122px) clamp(24px,5vw,94px);border-bottom:1px solid var(--line)}
.continuity{background:var(--paper-2)}
.service-layout{display:grid;grid-template-columns:.52fr 1fr;gap:clamp(34px,6vw,90px);align-items:start;margin-bottom:54px}
.section-copy{max-width:960px}
.section-copy p{margin:0 0 18px;color:var(--muted);font-size:20px;line-height:1.43}
.section-copy .large{color:var(--ink);font-size:clamp(30px,3.2vw,54px);line-height:1.08;letter-spacing:-.052em;font-weight:850}

.service-highlight{margin:32px 0;padding:24px 28px;background:#fffaf6;border-left:4px solid var(--red);border-radius:12px}
.service-highlight p{margin:0!important;color:var(--ink)!important;font-weight:700}

.approach-system{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.approach-system.compact-grid{margin-top:18px}
.approach-step{min-height:275px;padding:28px 26px 32px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;background:#fffaf6}
.approach-step:last-child{border-right:0}
.approach-step span{font-size:12px;font-weight:900;color:var(--red);letter-spacing:.18em}
.approach-step h3{margin:0;font-size:clamp(25px,2.25vw,40px);line-height:1.02;letter-spacing:-.048em}
.approach-step p{margin:0;color:var(--muted);font-size:17px;line-height:1.38}
.red-step{background:var(--red);color:#fff}
.red-step span,.red-step p{color:#fff}

.method{
  background:var(--paper);
  display:grid;
  grid-template-columns:.52fr 1fr;
  gap:clamp(34px,6vw,90px);
  align-items:start;
}

.method-kicker{
  margin:0;
}

.timeline{
  list-style:none;
  padding:0;
  margin:0;
  border-top:1px solid var(--line);
  max-width:960px;
  width:100%;
}

.timeline li{display:grid;grid-template-columns:78px 1fr;gap:28px;align-items:start;padding:28px 0;border-bottom:1px solid var(--line)}
.timeline span{
  width:46px;
  height:46px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:#fffaf6;
  border:1px solid var(--red);
  color:var(--red);
  font-weight:900;
  position:relative;
  z-index:2;
}
.timeline li:not(:last-child) span::after{
  content:"";
  position:absolute;
  top:58px;
  left:50%;
  transform:translateX(-50%);
  width:1px;
  height:46px;
  background:linear-gradient(to bottom, rgba(237,28,36,.55), rgba(237,28,36,.12));
}

.timeline li:not(:last-child) span::before{
  content:"";
  position:absolute;
  top:98px;
  left:50%;
  width:7px;
  height:7px;
  border-right:1px solid rgba(237,28,36,.55);
  border-bottom:1px solid rgba(237,28,36,.55);
  transform:translateX(-50%) rotate(45deg);
}
.timeline h3{margin:0 0 7px;font-size:clamp(23px,2.1vw,36px);line-height:1.05;letter-spacing:-.048em}
.timeline p{margin:0;color:var(--muted);font-size:18px}

/* STATISTIQUES 2x ET 5x */
.stat-section,
.value-stat-section{
  padding:clamp(78px,8vw,118px) clamp(24px,5vw,94px);
  text-align:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.stat-section{background:var(--paper-2)}
.value-stat-section{background:#fff}

.stat-source,
.value-stat-source{
  margin:0 0 26px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:none;
  color:var(--muted);
  opacity:1;
}

.stat-source::after,
.value-stat-source::after{
  content:"";
  display:block;
  width:50px;
  height:2px;
  background:var(--red);
  margin:14px auto 0;
}

.stat-top,
.value-stat-top{
  max-width:760px;
  margin:0 auto 18px;
  font-size:18px;
  line-height:1.43;
  color:var(--muted);
}

.stat-core,
.value-stat-highlight{
  display:flex;
  align-items:flex-end;
  justify-content:center;
  flex-wrap:wrap;
  gap:clamp(10px,1.4vw,22px);
  margin:0 auto 30px;
}

.stat-verb,
.value-stat-verb{
  font-size:18px;
  line-height:1.43;
  color:var(--muted);
}

.stat-number,
.value-stat-number{
  font-size:clamp(78px,8.8vw,132px);
  font-weight:900;
  line-height:.78;
  letter-spacing:-.08em;
  color:var(--red);
}

.stat-red,
.value-stat-red{
  font-size:clamp(25px,2.3vw,42px);
  line-height:1;
  font-weight:850;
  letter-spacing:-.04em;
  color:var(--red);
}

.stat-bottom,
.value-stat-bottom{
  max-width:760px;
  margin:0 auto;
  font-size:18px;
  line-height:1.43;
  color:var(--muted);
}

.about{display:grid;grid-template-columns:minmax(0,1.12fr) 280px;gap:clamp(40px,8vw,120px);align-items:center;background:#fff}
.about-copy p:not(.eyebrow){max-width:860px;margin:0 0 18px;color:#343029;font-size:clamp(20px,1.58vw,25px);line-height:1.38;letter-spacing:-.018em}
.about-photo-wrap{justify-self:end}
.about-photo{width:230px;height:285px;object-fit:cover;border-radius:20px;box-shadow:0 18px 55px rgba(0,0,0,.12)}

.contact{
  padding:70px clamp(24px,5vw,94px) 82px;
  background:var(--paper);
}
.contact .eyebrow{margin-bottom:22px}

.contact-intro{
  max-width:700px;
  margin:0 auto 40px;
  text-align:center;
  font-size:clamp(22px,2vw,34px);
  line-height:1.25;
  letter-spacing:-0.03em;
  font-weight:700;
}

.contact-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
}

.linkedin-icon{width:52px;height:52px;border:1px solid #1a1a1a;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#1a1a1a;text-decoration:none;transition:all .2s ease}
.linkedin-icon svg{width:22px;height:22px}
.linkedin-icon:hover{background:#1a1a1a;color:#fff}

footer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:26px clamp(24px,5vw,94px);border-top:1px solid var(--line);background:#fffaf6;color:var(--muted);font-size:14px}
footer img{width:34px;height:34px;object-fit:contain}
footer p{margin:0;text-align:right}

@media(max-width:980px){
  .site-header{grid-template-columns:auto 1fr auto}
  .nav-links{display:none}
  .hero,.service-layout,.about,.method{grid-template-columns:1fr}
  .method{
  gap:34px;
}
  .approach-system{grid-template-columns:1fr 1fr}
  .approach-step:nth-child(2){border-right:0}
  .approach-step:nth-child(1),.approach-step:nth-child(2){border-bottom:1px solid var(--line)}
  .about-photo-wrap{justify-self:start}
  .hero-card{min-height:350px}
  .card-line{margin-top:50px}

.hero-card > p{font-size:40px}

.hero-panel p{
  font-size:16px;
  line-height:1.45;
  letter-spacing:0;
  font-weight:500;
}

}

@media(max-width:800px){
  
}
@media(max-width:640px){
  .hero-panel p{
  font-size:15px;
  line-height:1.45;
  letter-spacing:0;
  font-weight:500;
  color:rgba(255,255,255,.72);
  max-width:100%;
}
  .site-header{height:70px;padding-inline:18px}
  .brand img{width:42px;height:42px}
  .hero{padding:56px 20px;gap:34px}
  .hero h1{font-size:48px;letter-spacing:-.058em}
  .hero-lead{font-size:21px}
  .section{padding:56px 20px}
  .section-copy .large{font-size:29px}
  .approach-system{grid-template-columns:1fr}
  .approach-step{border-right:0!important;border-bottom:1px solid var(--line);min-height:210px}
  
.timeline li{
  grid-template-columns:64px 1fr;
  gap:16px;
  align-items:start;
  padding:28px 0;
}

.timeline span{
  width:46px;
  height:46px;
  font-size:17px;
}

.timeline li:not(:last-child) span::after,
.timeline li:not(:last-child) span::before{
  display:none;
}

  .about{gap:34px}
  .about-photo{width:190px;height:235px}
  .btn{width:100%}
  footer{align-items:flex-start;flex-direction:column}
  footer p{text-align:left}

  .stat-section,
  .value-stat-section{
    padding:64px 20px;
  }

.stat-source,
.value-stat-source{
  margin-bottom:26px;
  font-size:15px;
  letter-spacing:.06em;
  font-weight:700;
}

  .stat-source::after,
.value-stat-source::after{
  width:64px;
  height:3px;
  margin:14px auto 0;
}

  .stat-top,
  .value-stat-top{
    font-size:18px;
    margin-bottom:18px;
  }

  .stat-core,
  .value-stat-highlight{
    gap:8px;
    margin-bottom:26px;
  }

  .stat-number,
  .value-stat-number{
    font-size:90px;
  }

  .stat-red,
  .value-stat-red{
    width:100%;
    margin-top:4px;
    font-size:30px;
  }

  .stat-bottom,
  .value-stat-bottom{
    font-size:18px;
  }
}

/* SYNTHÈSE ÉCOSYSTÈME */
.ecosystem-summary{
  padding:clamp(58px,7vw,94px) clamp(24px,5vw,94px);
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.ecosystem-summary-inner{
  max-width:980px;
  margin:0 auto;
  text-align:center;
}

.ecosystem-kicker{
  margin:0 0 18px;
  color:var(--red);
  text-transform:uppercase;
  letter-spacing:.28em;
  font-size:11px;
  font-weight:900;
}

.ecosystem-main{
  margin:0;
  font-size:clamp(26px,3vw,48px);
  line-height:1.12;
  letter-spacing:-.045em;
  font-weight:850;
  color:var(--ink);
}

@media(max-width:640px){
  .ecosystem-main{
    font-size:28px;
    line-height:1.18;
  }
}
.results-section{
  background:var(--paper);
}

.results-layout{
  display:grid;
  grid-template-columns:.52fr 1fr;
  gap:clamp(34px,6vw,90px);
  align-items:start;
}

.results-content{
  width:100%;
  max-width:960px;
}

.results-intro{
  margin:0 0 34px;
  color:var(--ink);
  font-size:clamp(30px,3.2vw,54px);
  line-height:1.05;
  letter-spacing:-.052em;
  font-weight:850;
}

.results-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 34px;
}

.result-item{
  padding:24px 0 30px;
  border-top:1px solid var(--line);
}

.result-accent{
  display:block;
  width:28px;
  height:3px;
  background:var(--red);
  margin-bottom:18px;
}

.result-item p{
  margin:0;
  max-width:420px;
  color:var(--ink);
  font-size:clamp(18px,1.45vw,22px);
  line-height:1.35;
  font-weight:500;
}

@media(max-width:980px){
  .results-layout{
    grid-template-columns:1fr;
    gap:28px;
  }

  .results-content{
    max-width:none;
  }

  .results-grid{
    grid-template-columns:1fr;
    gap:0;
  }

  .results-intro{
    margin-bottom:28px;
  }

  .result-item p{
    max-width:none;
  }
}