:root{
    --navy:#232f7a;
    --navy-deep:#12173d;
    --red:#d20d33;
    --cream:#f7f4ee;
    --paper:#fffdf9;
    --ink:#181a2b;
    --ink-soft:#4d4f66;
    --line:rgba(24,26,43,0.12);
    --bg:var(--cream);
    --surface:var(--paper);
    --text:var(--ink);
    --text-soft:var(--ink-soft);
    --border:var(--line);
    box-sizing:border-box;
    padding-top:env(safe-area-inset-top,0px);
    padding-bottom:env(safe-area-inset-bottom,0px);
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --bg:#0d1030;
      --surface:#151a44;
      --text:#f2f1ea;
      --text-soft:#b7b8d4;
      --border:rgba(242,241,234,0.14);
    }
  }
  :root[data-theme="dark"]{
    --bg:#0d1030;
    --surface:#151a44;
    --text:#f2f1ea;
    --text-soft:#b7b8d4;
    --border:rgba(242,241,234,0.14);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:env(safe-area-inset-top,72px);}
  body{
    margin:0;background:var(--bg);color:var(--text);
    font-family:'Inter',system-ui,sans-serif;
    font-size:17px;line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.logo-word{font-family:'Fraunces',Georgia,serif;font-weight:500;letter-spacing:0.01em;}
  p{color:var(--text-soft);max-width:62ch;}
  a{color:inherit;}
  img,video{max-width:100%;display:block;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 28px;}

  /* ---- Header ---- */
  header{
    position:fixed;top:0;left:0;right:0;z-index:40;
    padding-top:env(safe-area-inset-top,0px);
    background:linear-gradient(to bottom, rgba(15,18,45,0.55), transparent);
  }
  .nav{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;max-width:1180px;margin:0 auto;}
  .brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;}
  .brand svg{width:30px;height:30px;}
  .brand span{font-size:1.15rem;letter-spacing:0.03em;}
  nav.links{display:flex;gap:28px;align-items:center;}
  nav.links a{color:#f2f1ea;text-decoration:none;font-size:0.95rem;opacity:0.9;}
  nav.links a:hover{opacity:1;}
  .call-btn{
    background:var(--red);color:#fff;padding:9px 18px;border-radius:2px;
    text-decoration:none;font-size:0.92rem;font-weight:500;
  }
  .menu-toggle{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer;}

  /* ---- Hero ---- */
  .hero{position:relative;height:100svh;min-height:560px;display:flex;align-items:flex-end;overflow:hidden;}
  .hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 35%;}
  .hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg, rgba(15,18,50,0.35) 0%, rgba(12,15,40,0.35) 55%, rgba(9,11,32,0.88) 100%);
  }
  .hero-content{position:relative;z-index:2;color:#fff;padding:0 28px 72px;max-width:1180px;margin:0 auto;width:100%;}
  .eyebrow-mark{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:#e9e4d4;font-size:0.92rem;}
  .eyebrow-mark svg{width:20px;height:20px;}
  .hero h1{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.1;max-width:16ch;margin:0 0 20px;
    opacity:0;transform:translateY(16px);animation:rise 0.9s 0.15s ease-out forwards;}
  .hero p{color:#e4e2ee;font-size:1.08rem;max-width:46ch;margin:0 0 30px;
    opacity:0;transform:translateY(16px);animation:rise 0.9s 0.35s ease-out forwards;}
  .hero .ctas{display:flex;gap:14px;flex-wrap:wrap;
    opacity:0;transform:translateY(16px);animation:rise 0.9s 0.5s ease-out forwards;}
  @keyframes rise{to{opacity:1;transform:translateY(0);}}
  @media (prefers-reduced-motion:reduce){
    .hero h1,.hero p,.hero .ctas{animation:none;opacity:1;transform:none;}
  }
  .btn{padding:13px 26px;border-radius:2px;text-decoration:none;font-size:0.98rem;font-weight:500;display:inline-block;}
  .btn-primary{background:var(--red);color:#fff;}
  .btn-ghost{border:1px solid rgba(255,255,255,0.55);color:#fff;}

  /* ---- Sections ---- */
  section{padding:96px 0;}
  .rule{border:0;border-top:1px solid var(--border);margin:0;}
  .kicker{color:var(--red);font-size:0.95rem;margin:0 0 10px;font-family:'Fraunces',serif;font-style:italic;}
  h2{font-size:clamp(1.6rem,3vw,2.3rem);margin:0 0 22px;max-width:20ch;}

  .split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;}
  .split.reverse .col-img{order:2;}

  .steps{display:grid;gap:0;margin-top:8px;}
  .step{display:grid;grid-template-columns:52px 1fr;gap:20px;padding:26px 0;border-top:1px solid var(--border);}
  .step:last-child{border-bottom:1px solid var(--border);}
  .step .num{font-family:'Fraunces',serif;font-size:1.3rem;color:var(--red);}
  .step h3{margin:0 0 6px;font-size:1.15rem;font-weight:500;}
  .step p{margin:0;}

  .why-list{list-style:none;margin:0;padding:0;display:grid;gap:22px;}
  .why-list li{padding-left:28px;position:relative;}
  .why-list li::before{
    content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--navy);border-radius:50%;
  }
  [data-theme="dark"] .why-list li::before, @media (prefers-color-scheme:dark){ .why-list li::before{background:#8b96f0;} }

  .team{display:grid;grid-template-columns:0.85fr 1.15fr;gap:56px;align-items:center;}
  .team img{border-radius:2px;}
  .team blockquote{font-family:'Fraunces',serif;font-size:1.3rem;font-style:italic;margin:0 0 18px;color:var(--text);}
  .team .role{color:var(--text-soft);font-size:0.95rem;}

  .contact{background:var(--navy-deep);color:#f2f1ea;border-radius:2px;padding:56px 40px;display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:center;}
  .contact h2{color:#fff;margin:0;max-width:14ch;}
  .contact-links{display:flex;flex-direction:column;gap:10px;}
  .contact-links a{text-decoration:none;color:#f2f1ea;font-size:1.15rem;font-family:'Fraunces',serif;}
  .contact-links a:hover{color:var(--red);}

  footer{padding:40px 0 calc(40px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--border);}
  .foot-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;color:var(--text-soft);font-size:0.9rem;}
  .foot-brand{display:flex;align-items:center;gap:8px;}
  .foot-brand svg{width:20px;height:20px;}

  /* ---- Tablette (portrait/paysage moyen) ---- */
  @media (max-width:1024px){
    .wrap{padding:0 24px;}
    .split{gap:40px;}
    .team{gap:40px;grid-template-columns:0.9fr 1.1fr;}
    section{padding:80px 0;}
    .hero-content{padding-bottom:56px;}
  }

  /* ---- Petite tablette / grand mobile : nav + colonnes empilées ---- */
  @media (max-width:860px){
    nav.links{position:fixed;top:0;right:0;height:100svh;width:min(78vw,320px);
      background:var(--navy-deep);flex-direction:column;justify-content:center;align-items:flex-start;
      padding:32px;padding-top:calc(32px + env(safe-area-inset-top,0px));
      transform:translateX(100%);transition:transform 0.3s ease;gap:24px;}
    nav.links.open{transform:translateX(0);}
    .menu-toggle{display:block;}
    .split,.team{grid-template-columns:1fr;gap:32px;}
    .split.reverse .col-img{order:0;}
    .team img{max-width:360px;margin:0 auto;}
    .contact{flex-direction:column;align-items:flex-start;padding:44px 28px;}
    section{padding:64px 0;}
    .hero{min-height:520px;}
  }

  /* ---- Mobile ---- */
  @media (max-width:600px){
    .wrap{padding:0 20px;}
    .nav{padding:16px 20px;}
    .brand span{font-size:1rem;}
    .hero-content{padding:0 20px 44px;}
    .hero p{font-size:1rem;}
    .ctas{flex-direction:column;align-items:stretch;}
    .btn{text-align:center;}
    .step{grid-template-columns:36px 1fr;gap:14px;padding:20px 0;}
    .step .num{font-size:1.1rem;}
    section{padding:52px 0;}
    .contact h2{max-width:none;}
    .contact-links a{font-size:1.05rem;}
    .foot-row{flex-direction:column;align-items:flex-start;text-align:left;}
  }

  /* ---- Très petit mobile ---- */
  @media (max-width:380px){
    .hero h1{font-size:1.8rem;}
    nav.links{width:100vw;}
  }