:root{
    --ink:#eee4d3;
    --panel:#f6eedf;
    --panel-2:#e2d5bd;
    --line: rgba(60,40,20,0.16);
    --paper:#2a221b;
    --paper-dim:#6b5f52;
    --laterite:#c1502e;
    --laterite-bright:#b1401f;
    --gold:#9a6a12;
    --green:#4c7a44;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--ink);
    color:var(--paper);
    font-family:'Inter',sans-serif;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  img,svg{display:block;max-width:100%;}
  a{color:inherit;}
  :focus-visible{outline:2px solid var(--gold); outline-offset:3px;}

  .wrap{max-width:1120px;margin:0 auto;padding:0 28px;}
  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    font-size:12.5px;
    letter-spacing:.14em;
    text-transform:uppercase;
    color:var(--gold);
  }
  h1,h2,h3{font-family:'Fraunces',serif;font-weight:600;letter-spacing:-0.01em;}

  /* ---------- Ticker ---------- */
  .ticker-bar{
    border-bottom:1px solid var(--line);
    background:var(--panel);
    overflow:hidden;
    white-space:nowrap;
    padding-block:11px;
  }
  .ticker-track{
    display:inline-flex;
    animation:scroll 34s linear infinite;
  }
  @media (prefers-reduced-motion: reduce){
    .ticker-track{animation:none;}
    .ticker-bar{overflow-x:auto;}
  }
  .ticker-item{
    font-family:'IBM Plex Mono',monospace;
    font-size:13px;
    color:var(--paper-dim);
    padding:0 26px;
    display:inline-flex;
    align-items:center;
    gap:8px;
    border-right:1px solid var(--line);
  }
  .ticker-item b{color:var(--paper); font-weight:500;}
  .ticker-item .up{color:var(--green);}
  .ticker-item .down{color:var(--laterite-bright);}
  @keyframes scroll{
    from{transform:translateX(0);}
    to{transform:translateX(-50%);}
  }

  /* ---------- Header ---------- */
  header{
    padding-block:20px 0;
  }
  nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:10px 0 0;
  }
  .logo{
    font-family:'Fraunces',serif;font-weight:700;font-size:21px;
    display:flex;align-items:center;gap:9px;
  }
  .logo-mark{
    width:11px;height:11px;background:var(--laterite);
    transform:rotate(45deg);flex-shrink:0;
  }
  nav .links{display:flex;gap:32px;font-size:14.5px;color:var(--paper-dim);}
  nav .links a:hover{color:var(--paper);}
  @media (max-width:720px){ nav .links{display:none;} }

  /* ---------- Hero ---------- */
  .hero{padding-block:88px 96px;}
  .hero h1{
    font-size:clamp(38px,6.2vw,68px);
    line-height:1.04;
    max-width:820px;
    margin:22px 0 26px;
  }
  .hero h1 em{
    font-style:italic;color:var(--laterite-bright);
  }
  .hero p{
    max-width:520px;
    font-size:17.5px;
    color:var(--paper-dim);
    margin-bottom:36px;
  }
  .cta-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-family:'Inter',sans-serif;font-weight:600;font-size:15px;
    padding:14px 24px;border-radius:3px;
    text-decoration:none;
    transition:transform .15s ease, background .15s ease;
    border:1px solid transparent;
    cursor:pointer;
  }
  .btn-primary{background:var(--laterite);color:#fff;}
  .btn-primary:hover{background:var(--laterite-bright); transform:translateY(-1px);}
  .btn-ghost{border-color:var(--line); color:var(--paper);}
  .btn-ghost:hover{border-color:var(--paper-dim);}

  /* ---------- Problem stats ---------- */
  .problem{
    padding-block:76px;
    border-top:1px solid var(--line);
  }
  .problem-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:40px;
  }
  @media (max-width:780px){ .problem-grid{grid-template-columns:1fr; gap:32px;} }
  .stat b{
    display:block;font-family:'Fraunces',serif;font-size:44px;font-weight:600;
    color:var(--gold); margin-bottom:8px;
  }
  .stat p{color:var(--paper-dim); font-size:15px; max-width:280px;}

  /* ---------- Solution / mock index card ---------- */
  .solution{
    padding-block:76px;
    border-top:1px solid var(--line);
    display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  }
  @media (max-width:900px){ .solution{grid-template-columns:1fr;} }
  .solution h2{font-size:clamp(28px,4vw,38px); margin-bottom:18px; max-width:420px;}
  .solution p{color:var(--paper-dim); font-size:16px; max-width:440px; margin-bottom:20px;}
  .solution-list{list-style:none; color:var(--paper-dim); font-size:15px;}
  .solution-list li{
    padding:10px 0 10px 20px; border-top:1px solid var(--line); position:relative;
  }
  .solution-list li:before{
    content:"→"; position:absolute; left:0; color:var(--laterite-bright);
  }

  .index-card{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:6px;
    padding:26px;
  }
  .index-card .head{
    display:flex;justify-content:space-between;align-items:baseline;
    margin-bottom:18px;
  }
  .index-card .head span{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--paper-dim);}
  .commune-row{
    display:flex;justify-content:space-between;align-items:center;
    padding-block:13px; border-top:1px solid var(--line);
    font-size:14.5px;
  }
  .commune-row:first-of-type{border-top:none;}
  .commune-row .bar{
    flex:1; height:6px; margin:0 16px; background:var(--panel-2);
    border-radius:3px; overflow:hidden;
  }
  .commune-row .bar i{
    display:block;height:100%;background:linear-gradient(90deg,var(--laterite),var(--gold));
  }
  .commune-row .val{
    font-family:'IBM Plex Mono',monospace; color:var(--paper-dim); min-width:78px; text-align:right;
  }

  /* ---------- Method (genuine sequence) ---------- */
  .method{padding-block:76px; border-top:1px solid var(--line);}
  .method-head{max-width:520px; margin-bottom:44px;}
  .method-head h2{font-size:clamp(28px,4vw,38px);}
  .method-head p{color:var(--paper-dim); margin-top:14px; font-size:16px;}
  .phases{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
  @media (max-width:820px){ .phases{grid-template-columns:1fr;} }
  .phase{background:var(--ink); padding:32px 28px;}
  .phase .num{
    font-family:'IBM Plex Mono',monospace; color:var(--laterite-bright); font-size:13px; margin-bottom:14px;
  }
  .phase h3{font-size:20px; margin-bottom:10px; font-weight:600;}
  .phase p{color:var(--paper-dim); font-size:14.5px;}

  /* ---------- Audience ---------- */
  .audience{padding-block:76px; border-top:1px solid var(--line);}
  .audience h2{font-size:clamp(28px,4vw,38px); margin-bottom:40px; max-width:520px;}
  .aud-grid{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
  @media (max-width:780px){ .aud-grid{grid-template-columns:1fr;} }
  .aud-card{
    border:1px solid var(--line); border-radius:6px; padding:30px;
    background:var(--panel);
  }
  .aud-card h3{font-size:21px; margin-bottom:10px;}
  .aud-card p{color:var(--paper-dim); font-size:15px; margin-bottom:18px;}
  .aud-card a{
    font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--gold);
    text-decoration:none; border-bottom:1px solid transparent;
  }
  .aud-card a:hover{border-color:var(--gold);}

  /* ---------- Form ---------- */
  .join{padding-block:88px 100px; border-top:1px solid var(--line);}
  .join-inner{max-width:600px;}
  .join h2{font-size:clamp(28px,4vw,38px); margin-bottom:14px;}
  .join p{color:var(--paper-dim); font-size:16px; margin-bottom:34px;}
  form{display:flex; flex-direction:column; gap:16px;}
  .row2{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
  @media (max-width:560px){ .row2{grid-template-columns:1fr;} }
  label{
    font-family:'IBM Plex Mono',monospace; font-size:11.5px; letter-spacing:.06em;
    text-transform:uppercase; color:var(--paper-dim); margin-bottom:7px; display:block;
  }
  input,select{
    width:100%; background:var(--panel); border:1px solid var(--line); color:var(--paper);
    padding:12px 14px; border-radius:3px; font-family:'Inter',sans-serif; font-size:14.5px;
  }
  input:focus,select:focus{border-color:var(--gold);}
  .join .btn-primary{margin-top:8px; align-self:flex-start;}
  .confirm{
    display:none; margin-top:8px; padding:16px 18px; border:1px solid var(--line);
    border-left:3px solid var(--green); background:var(--panel); font-size:14.5px; color:var(--paper-dim);
    border-radius:0 3px 3px 0;
  }
  .confirm.show{display:block;}

  footer{
    border-top:1px solid var(--line); padding-block:32px;
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
    font-size:13px; color:var(--paper-dim);
  }
  footer .logo{font-size:16px;}

  /* ---------- Ajouts : ticker, note, form, WhatsApp ---------- */
  html{-webkit-text-size-adjust:100%;}
  body{overflow-x:hidden;}
  .ticker-bar:hover .ticker-track{animation-play-state:paused;}
  .index-card .note{font-size:12.5px;color:var(--paper-dim);margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line);}
  .commune-row .cname{min-width:76px;}
  .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;}
  .confirm.err{border-left-color:var(--laterite-bright);}
  .btn:disabled{opacity:.6;cursor:wait;transform:none;}
  .nav-cta{color:var(--paper);}
  .burger{display:none;}
  .wa-float{
    position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));
    width:54px;height:54px;border-radius:50%;background:#25d366;color:#fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 16px rgba(0,0,0,.4);z-index:50;
  }
  select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--paper-dim) 50%),linear-gradient(135deg,var(--paper-dim) 50%,transparent 50%);background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px;}

  /* ---------- Mobile ---------- */
  @media (max-width:720px){
    .wrap{padding:0 max(20px,env(safe-area-inset-left)) 0 max(20px,env(safe-area-inset-right));}
    .ticker-bar{padding-block:9px;}
    .ticker-item{font-size:12px;padding:0 18px;}
    header{position:relative;padding-top:14px;}
    nav{position:relative;padding:0;}
    .burger{
      display:flex;flex-direction:column;justify-content:center;gap:6px;
      width:44px;height:44px;padding:0 10px;background:none;border:1px solid var(--line);
      border-radius:3px;cursor:pointer;
    }
    .burger span{display:block;height:2px;background:var(--paper);transition:transform .2s ease;}
    .burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg);}
    .burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg);}
    nav .links{
      display:none;position:absolute;top:52px;left:0;right:0;z-index:40;
      flex-direction:column;gap:0;background:var(--panel);
      border:1px solid var(--line);border-radius:6px;padding-block:6px;font-size:16px;
    }
    nav .links.open{display:flex;}
    nav .links a{padding:14px 20px;}
    nav .links .nav-cta{color:var(--gold);}
    .hero{padding-block:48px 56px;}
    .hero h1{margin:16px 0 20px;}
    .hero p{font-size:16.5px;margin-bottom:28px;}
    .cta-row{flex-direction:column;align-items:stretch;gap:12px;}
    .btn{justify-content:center;padding:15px 20px;min-height:48px;}
    .problem,.solution,.method,.audience{padding-block:52px;}
    .join{padding-block:56px 96px;}
    .solution{gap:36px;}
    .stat b{font-size:36px;}
    .stat p{max-width:none;}
    .index-card{padding:18px;}
    .commune-row{padding-block:12px;font-size:14px;}
    .commune-row .bar{margin:0 10px;}
    .commune-row .val{min-width:64px;font-size:13px;}
    .phase{padding:26px 22px;}
    .aud-card{padding:24px;}
    .aud-card a{display:inline-block;padding-block:8px;font-size:14px;}
    input,select{font-size:16px;padding:14px;min-height:48px;}
    .join .btn-primary{align-self:stretch;}
    footer{flex-direction:column;padding-block:28px 90px;}
    .wa-float{width:52px;height:52px;}
  }
  @media (max-width:380px){
    .hero h1{font-size:34px;}
    .commune-row .cname{min-width:64px;}
  }

  /* Thème clair : ombres douces et fond du bandeau */
  .ticker-bar{background:var(--panel-2);}
  .index-card,.aud-card{box-shadow:0 2px 14px rgba(60,40,20,.06);}
  .commune-row .bar{background:var(--panel-2);}

  /* Titres plus compacts */
  h1,h2,h3{line-height:1.15;}
  @media (max-width:720px){
    .problem-grid{margin-top:28px;gap:28px;}
    .wa-float{opacity:.95;}
  }