:root {
     --dark: #222;
      --dark2:  #2C2E33;
      --blue: #0f2d5c;
      --orange: #f7a64f;
      --orange-light: #f5a623;
      --white: #ffffff;
      --gray: rgba(255,255,255,0.6);
      --card-bg: rgba(255,255,255,0.04);
      --card-border: rgba(255,255,255,0.08);
      --font:'Verdana', Geneva, Tahoma, sans-serif;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      background: var(--dark);
      color: var(--white);
      font-family: var(--font);
      font-weight: 300;
      line-height: 1.8;
    }

    /* NAV */
    nav {
      position: sticky; top: 0; z-index: 100;
      background: var(--dark);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--card-border);
      padding: 18px 60px;
      display: flex; align-items: center; justify-content: space-between;
    }
    .nav-logo { font-family: var(--font); font-weight: 800; font-size: 32px; text-decoration: none; color: var(--orange); }
    .nav-logo span { color: var(--orange); }
    .nav-links { display: flex; gap: 32px; list-style: none; }
    .nav-links a { color: var(--gray); text-decoration: none; font-size: 15px; transition: color 0.2s; }
    .nav-links a:hover { color: var(--white); }
    .nav-links a.active { color: var(--orange); }
    .nav-cta { background: var(--orange); color: var(--dark) !important; font-weight: 500 !important; padding: 10px 22px; border-radius: 8px; }

    /* LAYOUT */
    .page-wrapper {
      display: grid;
      grid-template-columns: 260px 1fr;
      max-width: 1200px;
      margin: 0 auto;
      gap: 60px;
      padding: 60px;
    }

    /* SIDEBAR */
    .sidebar {
      position: sticky;
      top: 100px;
      align-self: start;
    }

    .toc-title {
      font-family: var(--font);
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--orange);
      margin-bottom: 20px;
    }

    .toc-list { list-style: none; }
    .toc-list li { margin-bottom: 4px; }
    .toc-list a {
      color: var(--gray);
      text-decoration: none;
      font-size: 14px;
      padding: 6px 12px;
      border-left: 2px solid transparent;
      display: block;
      transition: all 0.2s;
    }
    .toc-list a:hover {
      color: var(--white);
      border-left-color: var(--orange);
      padding-left: 16px;
    }

    /* ARTICLE */
    article { min-width: 0; }

    .article-tag {
      display: inline-block;
      background: rgba(232,130,10,0.15);
      border: 1px solid rgba(232,130,10,0.3);
      color: var(--orange-light);
      font-size: 12px; font-weight: 500;
      letter-spacing: 2px; text-transform: uppercase;
      padding: 7px 16px; border-radius: 100px;
      margin-bottom: 24px;
    }

    article h1 {
      font-family: var(--font);
      font-size: clamp(36px, 4vw, 56px);
      font-weight: 800; line-height: 1.1;
      margin-bottom: 20px;
    }

    article h1 em { font-style: normal; color: var(--orange); }

    .article-intro {
      font-size: 18px; color: var(--gray);
      margin-bottom: 60px;
      padding-bottom: 40px;
      border-bottom: 1px solid var(--card-border);
    }

    .article-section { margin-bottom: 64px; scroll-margin-top: 100px; }

    .section-number {
      font-family: var(--font);
      font-size: 12px; font-weight: 700;
      color: var(--orange); letter-spacing: 2px;
      text-transform: uppercase; margin-bottom: 12px;
    }

    article h2 {
      font-family: var(--font);
      font-size: 28px; font-weight: 700;
      margin-bottom: 20px; line-height: 1.2;
    }

    article p { font-size: 16px; color: rgba(255,255,255,0.8); margin-bottom: 16px; }

    article h3 {
      font-family: var(--font);
      font-size: 18px; font-weight: 700;
      margin: 28px 0 12px; color: var(--white);
    }

    /* INDICATEUR CARDS */
    .indicator-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin: 28px 0;
    }

    .indicator-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 12px;
      padding: 24px;
    }

    .indicator-tag {
      display: inline-block;
      background: rgba(232,130,10,0.2);
      color: var(--orange-light);
      font-size: 11px; font-weight: 700;
      letter-spacing: 1px; padding: 4px 10px;
      border-radius: 4px; margin-bottom: 10px;
    }

    .indicator-card h4 {
      font-family: 'Syne', sans-serif;
      font-size: 16px; font-weight: 700;
      margin-bottom: 8px;
    }

    .indicator-card p { font-size: 14px; color: var(--gray); margin: 0; }

    /* EXEMPLE PRATIQUE */
    .example-box {
      background: rgba(232,130,10,0.08);
      border: 1px solid rgba(232,130,10,0.2);
      border-left: 4px solid var(--orange);
      border-radius: 0 12px 12px 0;
      padding: 24px 28px;
      margin: 24px 0;
    }

    .example-box .example-title {
      font-family: var(--font);
      font-size: 12px; font-weight: 700;
      color: var(--orange); text-transform: uppercase;
      letter-spacing: 2px; margin-bottom: 12px;
    }

    .example-box p { font-size: 15px; color: rgba(255,255,255,0.85); margin: 0; }

    /* INFO BOX */
    .info-box {
      background: rgba(34,197,94,0.08);
      border: 1px solid rgba(34,197,94,0.2);
      border-radius: 12px;
      padding: 20px 24px;
      margin: 20px 0;
      font-size: 15px;
      color: rgba(255,255,255,0.8);
    }

    .info-box strong { color: var(--green); }

    /* STEPS */
    .steps { margin: 28px 0; }

    .step {
      display: flex; gap: 20px;
      margin-bottom: 24px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--card-border);
    }
    .step:last-child { border-bottom: none; }

    .step-num {
      flex-shrink: 0;
      width: 40px; height: 40px;
      background: var(--orange);
      color: var(--dark);
      font-family: var(--font);
      font-weight: 800; font-size: 16px;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
    }

    .step-content h4 {
      font-family: var(--font);
      font-size: 16px; font-weight: 700;
      margin-bottom: 6px;
    }

    .step-content p { font-size: 14px; color: var(--gray); margin: 0; }

    /* SGI TABLE */
    .sgi-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px; margin: 24px 0;
    }

    .sgi-item {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 10px;
      padding: 16px 20px;
      display: flex; align-items: center; gap: 12px;
    }

    .sgi-flag { font-size: 24px; }
    .sgi-info h4 { font-size: 14px; font-weight: 500; margin-bottom: 2px; }
    .sgi-info p { font-size: 12px; color: var(--gray); margin: 0; }

    /* WARNING */
    .warning-box {
      background: rgba(239,68,68,0.08);
      border: 1px solid rgba(239,68,68,0.2);
      border-radius: 12px;
      padding: 20px 24px;
      margin: 20px 0;
      font-size: 15px;
      color: rgba(255,255,255,0.8);
    }
    .warning-box strong { color: var(--red); }

    /* CTA INLINE */
    .cta-inline {
      background: linear-gradient(135deg, var(--dark2), var(--blue));
      border: 1px solid rgba(232,130,10,0.2);
      border-radius: 16px;
      padding: 40px;
      text-align: center;
      margin: 48px 0;
    }

    .cta-inline h3 {
      font-family: var(--font);
      font-size: 24px; font-weight: 700;
      margin-bottom: 12px;
    }

    .cta-inline p { color: var(--gray); margin-bottom: 24px; }

    .btn-primary {
      display: inline-block;
      background: var(--orange); color: var(--dark);
      font-family: var(--font); font-weight: 700;
      font-size: 15px; padding: 14px 32px;
      border-radius: 8px; text-decoration: none;
      transition: background 0.2s, transform 0.2s;
    }
    .btn-primary:hover { background: var(--orange-light); transform: translateY(-2px); }

    /* FOOTER */
    footer {
      border-top: 1px solid var(--card-border);
      padding: 40px 60px;
      display: flex; align-items: center; justify-content: space-between;
      color: var(--gray); font-size: 14px;
    }
    .footer-logo { font-family: var(--font); font-weight: 800; font-size: 20px; color: var(--orange); text-decoration: none; }
    .footer-logo span { color: var(--orange); }

    @media (max-width: 900px) {
      .page-wrapper { grid-template-columns: 1fr; padding: 32px 24px; gap: 0; }
      .sidebar { display: none; }
      .indicator-grid, .sgi-list { grid-template-columns: 1fr; }
      nav { padding: 16px 24px; }
      .nav-links { display: none; }
      footer { flex-direction: column; gap: 16px; text-align: center; padding: 32px 24px; }
    }

    /* ── HAMBURGER ── */
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 6px;
      z-index: 200;
    }
    .hamburger span {
      display: block;
      width: 26px;
      height: 2.5px;
      background: var(--white);
      border-radius: 2px;
      transition: all 0.3s ease;
    }
    .hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

    /* ── MENU MOBILE OVERLAY ── */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(7,14,26,0.98);
      z-index: 150;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 32px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      color: var(--white);
      text-decoration: none;
      font-size: 24px;
      font-weight: 600;
      letter-spacing: 1px;
      transition: color 0.2s;
    }
    .mobile-menu a:hover,
    .mobile-menu a.active { color: var(--orange); }
    .mobile-menu .mobile-cta {
      background: var(--orange);
      color: var(--dark) !important;
      padding: 14px 36px;
      border-radius: 10px;
      font-size: 18px !important;
    }

    @media (max-width: 900px) {
      .hamburger { display: flex; }
    }

    /* ── FOOTER LINKS ── */
    .footer-link {
      color: var(--gray);
      text-decoration: none;
      margin-right: 24px;
    }
    .footer-link:last-child { margin-right: 0; }
    .footer-link:hover { color: var(--orange); }