:root{
      --red:#D93025;
      --red-dark:#B9271F;
      --black:#111111;
      --text:#252525;
      --muted:#6B7280;
      --light:#F7F7F5;
      --white:#FFFFFF;
      --border:#E5E7EB;
      --shadow:0 24px 70px rgba(17,17,17,.08);
      --shadow-soft:0 14px 38px rgba(17,17,17,.06);
      --max:1180px;
    }

    *{
      box-sizing:border-box;
      margin:0;
      padding:0;
    }

    html{
      scroll-behavior:smooth;
      scroll-padding-top:105px;
    }

    #lexique,
    #techniques,
    #annule-remplace,
    #anomalies,
    #regularisation,
    #consequences,
    #contact,
    #sources{
      scroll-margin-top:105px;
    }

    body{
      font-family:Inter,Arial,Helvetica,sans-serif;
      background:var(--light);
      color:var(--text);
      line-height:1.55;
      overflow-x:hidden;
    }

    a{
      text-decoration:none;
      color:inherit;
    }

    .container{
      width:min(var(--max),calc(100% - 40px));
      margin:0 auto;
    }

    .section{
      padding:96px 0 84px;
    }

    .section-tight{
      padding:54px 0;
    }

    h1,
    h2,
    h3{
      color:var(--black);
      line-height:1.08;
      letter-spacing:-.04em;
    }

    h1{
      font-size:clamp(42px,7vw,72px);
      max-width:1000px;
      margin-bottom:24px;
    }

    h2{
      font-size:clamp(34px,4.8vw,56px);
      margin-bottom:18px;
    }

    h3{
      font-size:22px;
      margin-bottom:12px;
    }

    p{
      font-size:17px;
      color:var(--text);
    }

    .muted{
      color:var(--muted);
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--red);
      font-weight:900;
      font-size:13px;
      text-transform:uppercase;
      letter-spacing:.08em;
      margin-bottom:14px;
    }

    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:99px;
      background:var(--red);
      display:inline-block;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border:0;
      border-radius:999px;
      padding:15px 24px;
      font-weight:850;
      font-size:15px;
      cursor:pointer;
      transition:.2s ease;
      white-space:nowrap;
    }

    .btn-red{
      background:var(--red);
      color:#fff;
      box-shadow:0 14px 30px rgba(217,48,37,.22);
    }

    .btn-red:hover{
      background:var(--red-dark);
      transform:translateY(-1px);
    }

    .btn-dark{
      background:var(--black);
      color:#fff;
    }

    .btn-dark:hover{
      background:#000;
      transform:translateY(-1px);
    }

    .btn-light{
      background:#fff;
      color:var(--black);
      border:1px solid var(--border);
    }

    .btn-light:hover{
      border-color:#D1D5DB;
      transform:translateY(-1px);
    }

    .header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(247,247,245,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,231,235,.75);
      transition:.25s ease;
    }

    .header.scrolled{
      background:rgba(255,255,255,.88);
      box-shadow:0 12px 34px rgba(17,17,17,.07);
    }

    .nav{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }

    .logo-wrap{
      display:flex;
      align-items:center;
      gap:13px;
      flex-shrink:0;
    }

    .logo-mark{
      width:38px;
      height:38px;
      border-radius:13px;
      background:#111;
      display:flex;
      align-items:center;
      justify-content:center;
      box-shadow:0 12px 24px rgba(17,17,17,.12);
      position:relative;
      overflow:hidden;
    }

    .logo-mark:after{
      content:"";
      width:18px;
      height:18px;
      background:var(--red);
      border-radius:50%;
      position:absolute;
      right:-6px;
      top:-4px;
    }

    .logo-mark span{
      color:#fff;
      font-size:13px;
      font-weight:950;
      letter-spacing:-.04em;
      position:relative;
      z-index:2;
    }

    .logo-text{
      display:flex;
      flex-direction:column;
      gap:1px;
    }

    .logo-main{
      font-size:22px;
      font-weight:950;
      letter-spacing:-.05em;
      color:var(--black);
      line-height:1;
    }

    .logo-main .sos{
      color:var(--red);
    }

    .logo-sub{
      font-size:11px;
      color:var(--muted);
      font-weight:800;
      letter-spacing:.04em;
      text-transform:uppercase;
    }

    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }

    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:28px;
    }

    .section-head p{
      max-width:600px;
      color:#52525B;
    }

    .toc{
      background:#fff;
      border:1px solid var(--border);
      border-radius:26px;
      box-shadow:var(--shadow-soft);
      padding:26px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-bottom:34px;
    }

    .toc a{
      padding:14px 16px;
      background:#FAFAFA;
      border:1px solid #EFEFEF;
      border-radius:16px;
      font-weight:850;
      color:var(--black);
      transition:.2s ease;
    }

    .toc a:hover{
      background:#FFF7F6;
      border-color:rgba(217,48,37,.22);
      color:var(--red);
      transform:translateY(-1px);
    }

    .resource-block{
      background:#fff;
      border:1px solid var(--border);
      border-radius:28px;
      box-shadow:var(--shadow-soft);
      padding:30px;
      margin-bottom:22px;
    }

    .resource-intro{
      max-width:850px;
      margin-bottom:22px;
    }

    .resource-intro p{
      color:#52525B;
    }

    .entries{
      display:grid;
      gap:14px;
    }

    .entry{
      border:1px solid var(--border);
      border-radius:20px;
      padding:20px;
      background:#fff;
    }

    .entry-title{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:var(--black);
      font-weight:950;
      font-size:18px;
      margin-bottom:10px;
      letter-spacing:-.02em;
    }

    .entry-title .tag{
      background:rgba(217,48,37,.1);
      color:var(--red);
      border-radius:10px;
      padding:4px 8px;
      font-size:13px;
      line-height:1.2;
      flex-shrink:0;
      font-weight:950;
    }

    .entry ul{
      margin-left:19px;
      color:#52525B;
      font-size:16px;
    }

    .entry li{
      margin:6px 0;
    }

    .solution{
      margin-top:12px;
      padding:12px 14px;
      border-radius:14px;
      background:#F7F7F5;
      border:1px solid #ECECEC;
      color:#3F3F46;
      font-size:15px;
    }

    .solution strong{
      color:var(--black);
    }

    .warning-section{
      background:var(--black);
      color:#fff;
      position:relative;
      overflow:hidden;
    }

    .warning-section:before{
      content:"";
      position:absolute;
      width:620px;
      height:620px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(217,48,37,.28),rgba(217,48,37,0) 66%);
      right:-260px;
      top:-260px;
    }

    .warning-section h2,
    .warning-section h3{
      color:#fff;
    }

    .warning-section .section-head p{
      color:#D1D5DB;
    }

    .warning-grid{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }

    .warning-card{
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      border-radius:22px;
      padding:24px;
    }

    .warning-card p{
      color:#E5E7EB;
      font-size:16px;
    }

    .cta-band{
      background:#fff;
      border:1px solid var(--border);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }

    .cta-band p{
      color:#52525B;
      max-width:760px;
    }

    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    .source-box{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      color:#52525B;
    }

    .source-box ul{
      margin-left:19px;
      margin-top:10px;
    }

    .source-box li{
      margin:8px 0;
    }

    .legal-note{
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      padding:24px;
      color:#52525B;
      font-size:15px;
    }

    .footer{
      background:#0B0B0B;
      color:#fff;
      padding:34px 0;
    }

    .footer-grid{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:24px;
      flex-wrap:wrap;
    }

    .footer p,
    .footer a,
    .footer span{
      color:#A1A1AA;
      font-size:14px;
    }

    .footer a:hover{
      color:#fff;
    }

    .footer-links{
      display:flex;
      gap:16px;
      flex-wrap:wrap;
    }

    .floating{
      position:fixed;
      right:24px;
      bottom:24px;
      z-index:80;
    }

    .float-btn{
      border:0;
      border-radius:999px;
      padding:15px 20px;
      background:var(--red);
      color:#fff;
      font-weight:950;
      box-shadow:0 18px 42px rgba(217,48,37,.30);
      cursor:pointer;
      display:flex;
      align-items:center;
      gap:10px;
    }

    .float-panel{
      position:absolute;
      right:0;
      bottom:62px;
      width:310px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      border-radius:22px;
      padding:16px;
      display:none;
    }

    .float-panel.open{
      display:block;
      animation:fadeUp .18s ease both;
    }

    .float-panel strong{
      display:block;
      color:var(--black);
      font-size:17px;
      margin-bottom:5px;
    }

    .float-panel p{
      font-size:14px;
      color:var(--muted);
      margin-bottom:14px;
    }

    .float-panel .btn{
      width:100%;
      margin-top:8px;
    }

    .reveal{
      opacity:0;
      transform:translateY(14px);
      transition:.5s ease;
    }

    .reveal.visible{
      opacity:1;
      transform:translateY(0);
    }

    @keyframes fadeUp{
      from{
        opacity:0;
        transform:translateY(10px);
      }
      to{
        opacity:1;
        transform:translateY(0);
      }
    }

    @media(max-width:980px){
      html{
        scroll-padding-top:95px;
      }

      #lexique,
      #techniques,
      #annule-remplace,
      #anomalies,
      #regularisation,
      #consequences,
      #contact,
      #sources{
        scroll-margin-top:95px;
      }

      .toc{
        grid-template-columns:1fr;
      }

      .warning-grid{
        grid-template-columns:1fr;
      }

      .cta-band{
        grid-template-columns:1fr;
      }

      .section-head{
        display:block;
      }

      .section-head p{
        margin-top:10px;
      }
    }

    @media(max-width:640px){
      html{
        scroll-padding-top:88px;
      }

      #lexique,
      #techniques,
      #annule-remplace,
      #anomalies,
      #regularisation,
      #consequences,
      #contact,
      #sources{
        scroll-margin-top:88px;
      }

      .container{
        width:min(100% - 28px,var(--max));
      }

      .section{
        padding:72px 0;
      }

      h2{
        font-size:38px;
      }

      .resource-block{
        padding:22px;
        border-radius:24px;
      }

      .entry{
        padding:18px;
      }

      .nav{
        min-height:72px;
      }

      .nav-actions .btn{
        padding:12px 16px;
        font-size:13px;
      }

      .logo-main{
        font-size:20px;
      }

      .logo-sub{
        font-size:10px;
      }

      .floating{
        left:14px;
        right:14px;
        bottom:14px;
      }

      .float-btn{
        width:100%;
        justify-content:center;
      }

      .float-panel{
        width:100%;
        left:0;
        right:0;
        bottom:62px;
      }

      .footer{
        padding-bottom:92px;
      }
    }