:root{
    --navy:#143a6b;
    --navy-deep:#0c2546;
    --blue:#2f6fd6;
    --blue-light:#5b94ec;
    --gold:#e3a008;
    --ink:#1c2638;
    --muted:#5b6b82;
    --bg:#ffffff;
    --bg-soft:#f4f8fd;
    --bg-tint:#eef4fb;
    --line:#e1e9f3;
    --radius:16px;
    --shadow:0 10px 40px -12px rgba(20,58,107,.18);
    --shadow-sm:0 4px 18px -8px rgba(20,58,107,.22);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
    color:var(--ink);background:var(--bg);line-height:1.65;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  h1,h2,h3,h4{line-height:1.2;color:var(--navy-deep);font-weight:700;letter-spacing:-.02em}
  a{text-decoration:none;color:inherit}
  .wrap{max-width:1140px;margin:0 auto;padding:0 24px}
  section{padding:96px 0}
  .eyebrow{
    display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;
    text-transform:uppercase;color:var(--blue);margin-bottom:14px;
  }
  .lead{font-size:1.08rem;color:var(--muted);max-width:680px}

  /* ---------- LOGO ---------- */
  .logo{display:flex;align-items:center}
  .logo-img{height:150px;width:auto;display:block}

  /* ---------- NAV ---------- */
  header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;transition:.3s;
  }
  header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px -16px rgba(20,58,107,.4)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:100px}
  nav ul{display:flex;gap:36px;list-style:none}
  nav a{font-size:.9rem;font-weight:600;color:var(--ink);transition:.2s;position:relative;letter-spacing:.01em}
  nav a:hover{color:var(--blue)}
  nav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--blue);transition:.25s}
  nav a:hover::after{width:100%}
  .nav-right{display:flex;align-items:center;gap:10px}
  .nav-mobile-actions{display:none}
  .nav-join{color:var(--blue)!important;font-weight:700}
  .nav-join::after{background:var(--blue)!important}

  /* ---------- BOUTON CONNEXION ---------- */
  .btn-login{
    display:inline-flex;align-items:center;gap:7px;
    padding:9px 18px;border-radius:999px;
    font-weight:600;font-size:.85rem;letter-spacing:.01em;
    color:var(--navy);border:1.5px solid rgba(20,58,107,.22);
    background:rgba(20,58,107,.04);
    transition:background .22s,border-color .22s,color .22s,box-shadow .22s,transform .22s;
    text-decoration:none;cursor:pointer;line-height:1;white-space:nowrap;
  }
  .btn-login svg{flex-shrink:0;transition:transform .22s}
  .btn-login:hover{
    background:var(--navy);color:#fff;
    border-color:var(--navy);
    box-shadow:0 6px 20px -8px rgba(20,58,107,.55);
    transform:translateY(-1px);
  }
  .btn-login:hover svg{stroke:#fff;transform:scale(1.1)}
  .btn-login--filled{
    background:var(--navy);color:#fff;border-color:var(--navy);
    box-shadow:0 4px 14px -6px rgba(20,58,107,.5);
  }
  .btn-login--filled:hover{background:var(--blue);border-color:var(--blue);box-shadow:0 6px 20px -8px rgba(47,111,214,.6)}
  header.scrolled .btn-login{border-color:rgba(20,58,107,.35);background:rgba(20,58,107,.06)}
  header.scrolled .btn-login:hover{background:var(--navy);color:#fff;border-color:var(--navy)}

  .btn{
    display:inline-block;background:var(--navy);color:#fff;padding:12px 24px;
    border-radius:999px;font-weight:600;font-size:.92rem;transition:.25s;border:none;cursor:pointer;
    box-shadow:0 6px 18px -8px rgba(20,58,107,.7);
  }
  .btn:hover{background:var(--blue);transform:translateY(-2px)}
  .menu-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
  .menu-toggle span{display:block;width:22px;height:2.5px;background:var(--navy);border-radius:2px;transition:.3s}
  .menu-toggle.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .menu-toggle.active span:nth-child(2){opacity:0}
  .menu-toggle.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

  /* ---------- LANG SWITCH ---------- */
  .lang-switch{display:flex;align-items:center;gap:4px;border:1.5px solid var(--line);border-radius:999px;padding:3px}
  .lang-switch a{font-size:.78rem;font-weight:700;color:var(--muted);padding:4px 10px;border-radius:999px;line-height:1}
  .lang-switch a::after{display:none}
  .lang-switch a:hover{color:var(--navy)}
  .lang-switch a.active{background:var(--navy);color:#fff}

  /* ---------- HERO SLIDER ---------- */
  .hero-slider{position:relative}
  .slider{position:relative;overflow:hidden}
  .slider-track{display:flex;transition:transform .65s cubic-bezier(.4,0,.2,1)}
  .slide{
    position:relative;min-width:100%;min-height:600px;
    background-size:cover;background-position:center;
    display:flex;align-items:center;
  }
  .slide-overlay{
    position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(12,37,70,.82) 0%,rgba(12,37,70,.45) 55%,rgba(12,37,70,.2) 100%);
  }
  .slide-content{position:relative;z-index:2;padding:170px 0 110px}
  .slide-eyebrow{color:var(--gold);margin-bottom:14px}
  .slide-title{font-size:3.2rem;color:#fff;margin-bottom:18px;max-width:680px}
  .slide-desc{font-size:1.12rem;color:rgba(255,255,255,.88);max-width:560px;margin-bottom:32px;line-height:1.7}
  .slide-btn{background:var(--gold);color:var(--navy-deep);box-shadow:0 6px 18px -8px rgba(227,160,8,.5)}
  .slide-btn:hover{background:#f0b429;transform:translateY(-2px)}

  .slider-arrow{
    position:absolute;top:50%;transform:translateY(-50%);z-index:10;
    width:50px;height:50px;border-radius:50%;border:none;
    background:rgba(255,255,255,.15);backdrop-filter:blur(6px);
    cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:.25s;
  }
  .slider-arrow:hover{background:rgba(255,255,255,.3)}
  .slider-prev{left:24px}
  .slider-next{right:24px}

  .slider-dots{
    position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
    display:flex;gap:10px;z-index:10;
  }
  .slider-dot{
    width:12px;height:12px;border-radius:50%;border:2px solid rgba(255,255,255,.6);
    background:transparent;cursor:pointer;transition:.3s;padding:0;
  }
  .slider-dot.active{background:#fff;border-color:#fff}
  .slider-dot:hover{border-color:#fff}

  /* fallback hero when no slides */
  .hero{
    position:relative;padding:170px 0 110px;
    background:
      radial-gradient(900px 500px at 85% -5%,rgba(91,148,236,.22),transparent 60%),
      linear-gradient(160deg,#f4f8fd 0%,#eaf1fb 100%);
    overflow:hidden;
  }
  .hero h1{font-size:3.1rem;margin-bottom:22px}
  .hero h1 .hl{color:var(--blue)}
  .hero .lead{margin-bottom:32px}
  .hero-cta{display:flex;gap:14px;flex-wrap:wrap}

  /* ---------- SECTION HELPERS ---------- */
  .center{text-align:center}
  .center .lead{margin:14px auto 0}
  .soft{background:var(--bg-soft)}
  h2.title{font-size:2.2rem;margin-bottom:4px}

  /* ---------- ABOUT ---------- */
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
  .about-grid p{margin-bottom:16px;color:var(--muted)}
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:.86rem;font-weight:600;color:var(--navy);box-shadow:var(--shadow-sm)}
  .vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}
  .vm{background:var(--navy);color:#fff;border-radius:var(--radius);padding:30px;position:relative;overflow:hidden}
  .vm.alt{background:linear-gradient(150deg,var(--navy) 0%,var(--blue) 130%)}
  .vm::after{content:"";position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border:24px solid rgba(255,255,255,.07);border-radius:50%}
  .vm h3{color:#fff;font-size:1.2rem;margin-bottom:10px;display:flex;align-items:center;gap:10px}
  .vm p{color:rgba(255,255,255,.86);font-size:.96rem;position:relative}
  .vm svg{width:22px;height:22px;stroke:var(--gold)}

  /* ---------- EXPERTISE ---------- */
  .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .exp{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.3s;box-shadow:var(--shadow-sm)}
  .exp:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--blue-light)}
  .exp .ic{width:52px;height:52px;border-radius:13px;background:linear-gradient(140deg,var(--navy),var(--blue));display:flex;align-items:center;justify-content:center;margin-bottom:18px}
  .exp .ic svg{width:26px;height:26px;stroke:#fff;fill:none}
  .exp h3{font-size:1.08rem;margin-bottom:12px}
  .exp ul{list-style:none}
  .exp li{font-size:.9rem;color:var(--muted);padding:5px 0 5px 18px;position:relative}
  .exp li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:6px;border-radius:50%;background:var(--blue-light)}

  /* ---------- SERVICES ---------- */
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.3s;position:relative;overflow:hidden}
  .svc:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
  .svc .num{font-size:2.4rem;font-weight:800;color:var(--bg-tint);line-height:1;position:absolute;top:18px;right:22px;transition:.3s}
  .svc:hover .num{color:var(--blue-light)}
  .svc h3{font-size:1.12rem;margin-bottom:10px;position:relative}
  .svc p{font-size:.93rem;color:var(--muted);position:relative}
  .svc .bar{width:38px;height:4px;border-radius:4px;background:var(--gold);margin-bottom:16px}
  .twocol{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
  .pack{background:linear-gradient(155deg,var(--navy-deep),var(--navy));color:#fff;border-radius:var(--radius);padding:32px}
  .pack h3{color:#fff;font-size:1.15rem;margin-bottom:18px;display:flex;align-items:center;gap:10px}
  .pack svg{width:22px;height:22px;stroke:var(--gold)}
  .pack ul{list-style:none}
  .pack li{padding:7px 0 7px 26px;position:relative;color:rgba(255,255,255,.88);font-size:.95rem}
  .pack li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}

  /* ---------- APPROACH ---------- */
  .approach-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
  .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative;transition:.3s;box-shadow:var(--shadow-sm)}
  .step:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
  .step .n{counter-increment:step;width:40px;height:40px;border-radius:50%;background:var(--bg-tint);color:var(--navy);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
  .step .n::before{content:"0" counter(step)}
  .step h3{font-size:1rem;margin-bottom:8px}
  .step p{font-size:.86rem;color:var(--muted)}

  /* ---------- VALUES ---------- */
  .grid5{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
  .val{text-align:center;padding:28px 16px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:.3s}
  .val:hover{background:var(--navy);transform:translateY(-5px)}
  .val:hover h3,.val:hover p{color:#fff}
  .val:hover p{color:rgba(255,255,255,.8)}
  .val .ic{width:54px;height:54px;border-radius:50%;background:var(--bg-tint);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;transition:.3s}
  .val:hover .ic{background:rgba(255,255,255,.15)}
  .val .ic svg{width:26px;height:26px;stroke:var(--blue)}
  .val:hover .ic svg{stroke:var(--gold)}
  .val h3{font-size:1rem;margin-bottom:6px}
  .val p{font-size:.85rem;color:var(--muted)}

  /* ---------- WHY ---------- */
  .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .why{display:flex;gap:16px;padding:24px;background:#fff;border-radius:var(--radius);border:1px solid var(--line);transition:.3s}
  .why:hover{box-shadow:var(--shadow);border-color:var(--blue-light)}
  .why .ic{flex-shrink:0;width:44px;height:44px;border-radius:11px;background:var(--bg-tint);display:flex;align-items:center;justify-content:center}
  .why .ic svg{width:22px;height:22px;stroke:var(--blue)}
  .why h3{font-size:1rem;margin-bottom:6px}
  .why p{font-size:.9rem;color:var(--muted)}

  /* ---------- AUDIENCE BANNER ---------- */
  .aud{background:linear-gradient(150deg,var(--navy-deep),var(--navy) 80%);color:#fff;border-radius:24px;padding:50px;text-align:center;position:relative;overflow:hidden}
  .aud::before{content:"";position:absolute;left:-60px;top:-60px;width:240px;height:240px;border:40px solid rgba(255,255,255,.05);border-radius:50%}
  .aud h2{color:#fff;font-size:1.9rem;margin-bottom:14px}
  .aud p{color:rgba(255,255,255,.82);max-width:620px;margin:0 auto 26px}
  .aud-chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;position:relative}
  .aud-chips span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:11px 20px;border-radius:999px;font-size:.9rem;font-weight:600}

  /* ---------- TESTIMONIALS ---------- */
  .testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .testi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:.3s}
  .testi:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
  .testi-quote{width:40px;height:40px;border-radius:11px;background:var(--bg-tint);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
  .testi-quote svg{width:20px;height:20px;stroke:var(--blue);fill:none}
  .testi p{font-size:.93rem;color:var(--muted);margin-bottom:18px;font-style:italic}
  .testi-author b{display:block;color:var(--navy-deep);font-size:.95rem}
  .testi-author span{font-size:.85rem;color:var(--muted)}

  /* ---------- CONTACT ---------- */
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
  .contact-info p{color:var(--muted);margin-bottom:24px}
  .ci-item{display:flex;align-items:center;gap:14px;margin-bottom:16px}
  .ci-item .ic{width:46px;height:46px;border-radius:12px;background:var(--bg-tint);display:flex;align-items:center;justify-content:center;flex-shrink:0}
  .ci-item .ic svg{width:22px;height:22px;stroke:var(--blue)}
  .ci-item b{display:block;color:var(--navy-deep);font-size:.95rem}
  .ci-item span{font-size:.9rem;color:var(--muted)}
  .form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
  .field{margin-bottom:18px}
  .field label{display:block;font-size:.86rem;font-weight:600;color:var(--navy);margin-bottom:7px}
  .field input,.field textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-family:inherit;font-size:.95rem;transition:.2s;background:var(--bg-soft)}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(47,111,214,.12)}
  .field textarea{resize:vertical;min-height:110px}
  .form .btn{width:100%}
  .form-msg{margin-top:14px;font-size:.9rem;color:var(--blue);font-weight:600;text-align:center;display:none}

  /* ---------- FOOTER ---------- */
  footer{background:var(--navy-deep);color:rgba(255,255,255,.7);padding:60px 0 30px}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px}
  footer .logo{margin-bottom:16px}
  footer p{font-size:.92rem;max-width:320px}
  footer h4{color:#fff;font-size:.95rem;margin-bottom:16px;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem}
  footer ul{list-style:none}
  footer li{margin-bottom:10px}
  footer li a{font-size:.92rem;transition:.2s}
  footer li a:hover{color:var(--blue-light)}
  .foot-social{display:flex;gap:10px;margin-bottom:28px}
  .social-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.1);color:rgba(255,255,255,.75);transition:.25s}
  .social-icon:hover{background:var(--blue);color:#fff;transform:translateY(-2px)}
  .foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem}

  /* ---------- REVEAL ANIM ---------- */
  .reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}

  /* ---------- RESPONSIVE ---------- */
  @media(max-width:980px){
    .grid4,.grid5,.approach-grid{grid-template-columns:repeat(2,1fr)}
    .grid3,.why-grid,.testi-grid{grid-template-columns:repeat(2,1fr)}
    .hero-grid,.about-grid,.contact-grid,.vm-grid,.twocol{grid-template-columns:1fr}
    .foot-grid{grid-template-columns:1fr 1fr}
    .hero h1,.slide-title{font-size:2.4rem}
    .hero-card{order:-1}
    .slide{min-height:480px}
    nav ul{gap:24px}
  }
  @media(max-width:768px){
    nav ul{display:none}
    .menu-toggle{display:flex}
    .nav-right .lang-switch{display:none}
    .nav{height:80px}
    .logo-img{height:70px}
    nav.open{
      position:absolute;top:80px;left:0;right:0;
      background:#fff;
      box-shadow:0 16px 36px -12px rgba(20,58,107,.18);
      border-bottom:2px solid var(--bg-tint);
    }
    nav.open ul{
      display:flex;
      flex-direction:column;
      padding:16px 24px 0;gap:0;
    }
    nav.open ul li a{
      display:block;padding:13px 0;font-size:1rem;
      border-bottom:1px solid var(--bg-tint);
    }
    nav.open ul li:last-child a{border-bottom:none}
    nav.open .nav-mobile-actions{
      display:flex;flex-direction:column;gap:12px;
      padding:16px 24px 24px;
      border-top:1px solid var(--line);
      margin-top:4px;
    }
    .nav-mobile-actions .lang-switch{align-self:flex-start}
    .nav-mobile-actions .btn-login{
      width:100%;justify-content:center;
      padding:13px 20px;font-size:.95rem;
      border-radius:12px;border-width:1.5px;
    }
  }
  @media(max-width:640px){
    section{padding:64px 0}
    .grid4,.grid5,.grid3,.why-grid,.approach-grid,.testi-grid{grid-template-columns:1fr}
    .hero h1,.slide-title{font-size:1.95rem}
    .hero{padding:130px 0 70px}
    .slide{min-height:400px}
    .slide-content{padding:130px 0 80px}
    .slide-desc{font-size:1rem}
    .slider-arrow{width:40px;height:40px}
    .slider-prev{left:12px}
    .slider-next{right:12px}
    h2.title,.aud h2{font-size:1.6rem}
    .foot-grid{grid-template-columns:1fr}
  }