/* =====================================================
       VARIABLES DE LA CHARTE GRAPHIQUE DDI (THEMING)
    ===================================================== */
    :root {
      /* Mode Clair (Par défaut) */
      --vert:        #1a9b3c;
      --vert-fonce:  #0f6627;
      --bleu:        #0d2b5e;
      --bleu-clair:  #1a4080;
      --orange:      #e07b1a;
      --orange-clair:#f5a744;
      --blanc:       #ffffff;
      --gris-clair:  #f4f7f2;
      --gris-texte:  #444444;
      --gris-moyen:  #777777;
      --card-bg:     #ffffff;
      --header-bg:   rgba(13, 43, 94, 0.96);
      --radius:      10px;
      --shadow:      0 6px 24px rgba(13,43,94,0.12);
      --transition:  0.3s ease;
    }

    [data-theme="dark"] {
      /* Mode Sombre */
      --bleu:        #0a1931;
      --bleu-clair:  #15305b;
      --blanc:       #121212;
      --gris-clair:  #1e1e1e;
      --gris-texte:  #e0e0e0;
      --gris-moyen:  #b0b0b0;
      --card-bg:     #1f1f1f;
      --header-bg:   rgba(10, 25, 49, 0.96);
      --shadow:      0 6px 24px rgba(0,0,0,0.4);
    }

    /* =====================================================
       RESET & BASE
    ===================================================== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: 'Source Sans 3', sans-serif;
      color: var(--gris-texte);
      background: var(--blanc);
      line-height: 1.7;
      overflow-x: hidden;
      transition: background var(--transition), color var(--transition);
    }
    h1, h2, h3, h4 { font-family: 'Playfair Display', serif; line-height: 1.2; }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; }
    ul { list-style: none; }

    .container { width: 92%; max-width: 1200px; margin: 0 auto; }

    /* Titres généraux */
    .section-title { text-align: center; margin-bottom: 3rem; }
    .section-title h2 {
      font-size: clamp(1.8rem, 4vw, 2.6rem);
      color: var(--vert);
      position: relative;
      display: inline-block;
      padding-bottom: 0.6rem;
    }
    [data-theme="dark"] .section-title h2 { color: var(--orange-clair); }
    .section-title h2::after {
      content: ''; display: block; width: 70px; height: 4px;
      background: linear-gradient(90deg, var(--vert), var(--orange));
      border-radius: 2px; margin: 0.5rem auto 0;
    }
    .section-title p { color: var(--gris-moyen); max-width: 650px; margin: 0.8rem auto 0; font-size: 1.05rem; }

    /* Boutons */
    .btn {
      display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.8rem;
      border-radius: 50px; font-weight: 700; font-size: 0.95rem; cursor: pointer;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
      border: 2px solid transparent;
    }
    .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.18); }
    .btn-vert { background: var(--vert); color: #fff; }
    .btn-vert:hover { background: var(--vert-fonce); }
    .btn-orange { background: var(--orange); color: #fff; }
    .btn-orange:hover { background: var(--orange-clair); }
    .btn-outline { background: transparent; color: #fff; border-color: #fff; }
    .btn-outline:hover { background: #fff; color: var(--bleu); }
    .btn-primary { background-color: var(--vert); color: #fff; }
    .btn-primary:hover { background-color: var(--vert-fonce); }

    .badge { padding: 4px 12px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; }
    .badge-green { background-color: rgba(26, 155, 60, 0.15); color: var(--vert); }

    /* =====================================================
       HEADER / NAVIGATION & CONTROLES (LANGUE & THÈME)
    ===================================================== */
    header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      background: var(--header-bg); backdrop-filter: blur(8px);
      padding: 0.5rem 0; transition: box-shadow var(--transition), background var(--transition);
    }
    header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.2); }
    nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

    .nav-logo { display: flex; align-items: center; gap: 0.8rem; color: #fff; }
    .nav-logo img {
      height: 55px; width: 55px; object-fit: cover;
      border-radius: 50%; background: white; padding: 2px;
    }
    .nav-logo-text strong { display: block; font-family: 'Playfair Display', serif; font-size: 1.2rem; letter-spacing: 1px; }
    .nav-logo-text span { display: block; font-size: 0.65rem; color: rgba(255,255,255,0.7); text-transform: uppercase; max-width: 180px; line-height: 1.2; }

    .nav-links { display: flex; align-items: center; gap: 0.2rem; }
    .nav-links a {
      color: rgba(255,255,255,0.85); font-size: 0.9rem; font-weight: 600;
      padding: 0.4rem 0.8rem; border-radius: 6px; transition: var(--transition); white-space: nowrap;
    }
    .nav-links a:hover { color: #fff; background: rgba(255,255,255,0.1); }

    /* Contrôles d'accessibilité (Langue & Thème) */
    .nav-controls { display: flex; align-items: center; gap: 0.7rem; }
    .control-btn {
      background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
      color: #fff; padding: 0.5rem 0.8rem; border-radius: 20px; font-weight: 600;
      cursor: pointer; font-size: 0.85rem; transition: var(--transition); display: flex; align-items: center; gap: 0.4rem;
    }
    .control-btn:hover { background: rgba(255,255,255,0.25); }

    .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; border: none; background: transparent; }
    .hamburger span { display: block; width: 26px; height: 2px; background: #fff; border-radius: 2px; transition: 0.3s; }
    .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* =====================================================
       SECTION HERO
    ===================================================== */
    #accueil {
      background: linear-gradient(135deg, var(--bleu) 0%, #163d7a 40%, #0f6627 100%);
      min-height: 100vh; display: flex; align-items: center; padding-top: 90px; position: relative; overflow: hidden;
    }
    .hero-content { position: relative; z-index: 2; max-width: 800px; animation: heroFadeIn 1s ease both; }
    @keyframes heroFadeIn { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

    .hero-badge {
      display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.2); color: rgba(255,255,255,0.9);
      font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
      padding: 0.4rem 1rem; border-radius: 50px; margin-bottom: 1.5rem;
    }
    .hero-badge i { color: var(--orange); }
    .hero-content h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); color: #fff; margin-bottom: 1.2rem; font-weight: 900; }
    .hero-content h1 em { font-style: normal; color: var(--orange-clair); }
    .hero-content p { font-size: clamp(1.05rem, 2vw, 1.25rem); color: rgba(255,255,255,0.85); margin-bottom: 2.2rem; font-weight: 300; }
    .hero-buttons { display: flex; flex-wrap: wrap; gap: 1rem; }

    .hero-stats {
      display: flex; flex-wrap: wrap; gap: 2rem; margin-top: 3.5rem; padding-top: 2.5rem;
      border-top: 1px solid rgba(255,255,255,0.15); position: relative; z-index: 2;
    }
    .hero-stat { color: #fff; }
    .hero-stat strong { display: block; font-family: 'Playfair Display', serif; font-size: 2rem; color: var(--orange-clair); line-height: 1; }
    .hero-stat span { font-size: 0.85rem; color: rgba(255,255,255,0.7); text-transform: uppercase; }

    /* =====================================================
       SECTION À PROPOS & VISION / MISSION
    ===================================================== */
    #apropos { padding: 6rem 0; background: var(--gris-clair); }
    .apropos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
    .apropos-text h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); color: var(--bleu); margin-bottom: 1rem; }
    [data-theme="dark"] .apropos-text h2 { color: #fff; }
    .accent-line { width: 60px; height: 4px; background: linear-gradient(90deg, var(--vert), var(--orange)); border-radius: 2px; margin-bottom: 1.2rem; }
    .apropos-text p { margin-bottom: 1rem; font-size: 1.05rem; }
    
    .fondation-badge {
      display: inline-flex; align-items: center; gap: 0.8rem; background: var(--bleu); color: #fff;
      padding: 0.8rem 1.4rem; border-radius: var(--radius); margin-top: 1rem;
    }
    .fondation-badge i { color: var(--orange); font-size: 1.3rem; }

    .vision-mission { display: flex; flex-direction: column; gap: 1.5rem; }
    .vm-card { padding: 1.8rem; border-radius: var(--radius); box-shadow: var(--shadow); background: var(--card-bg); position: relative; padding-left: 2.2rem; }
    .vm-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; border-radius: var(--radius) 0 0 var(--radius); }
    .vm-card.vision::before { background: var(--vert); }
    .vm-card.mission::before { background: var(--orange); }
    .vm-card h3 { font-size: 1.1rem; color: var(--bleu); margin-bottom: 0.6rem; text-transform: uppercase; font-weight: 700; letter-spacing: 0.5px; }
    [data-theme="dark"] .vm-card h3 { color: #fff; }

    /* =====================================================
       SECTION DOMAINES D'INTERVENTION
    ===================================================== */
    #domaines { padding: 6rem 0; background: var(--blanc); }
    .domaines-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.8rem; }
    .domaine-card {
      background: var(--gris-clair); border-radius: var(--radius); padding: 2rem 1.5rem;
      display: flex; flex-direction: column; gap: 1rem; box-shadow: 0 4px 12px rgba(0,0,0,0.05); transition: var(--transition);
    }
    .domaine-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); background: var(--card-bg); }
    .domaine-icon { width: 55px; height: 55px; border-radius: 12px; background: var(--bleu); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff; }
    .domaine-card:hover .domaine-icon { background: var(--vert); }
    .domaine-card h3 { font-family: 'Source Sans 3', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--bleu); }
    [data-theme="dark"] .domaine-card h3 { color: #fff; }

    /* =====================================================
       SECTION RÉALISATIONS (TIMELINE + COMMENTAIRES)
    ===================================================== */
    #realisations { padding: 6rem 0; background: var(--gris-clair); }
    .timeline { position: relative; max-width: 900px; margin: 0 auto; }
    .timeline::before { content: ''; position: absolute; left: 50%; transform: translateX(-50%); top: 0; bottom: 0; width: 3px; background: var(--vert); }
    
    .timeline-item { display: flex; justify-content: flex-end; padding-right: calc(50% + 40px); margin-bottom: 4rem; position: relative; }
    .timeline-item:nth-child(even) { justify-content: flex-start; padding-right: 0; padding-left: calc(50% + 40px); }
    
    .timeline-dot {
      position: absolute; left: 50%; transform: translateX(-50%); top: 1rem;
      width: 44px; height: 44px; border-radius: 50%; background: var(--bleu);
      border: 4px solid var(--gris-clair); display: flex; align-items: center; justify-content: center; color: #fff; z-index: 2;
    }
    .timeline-card { background: var(--card-bg); border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); width: 100%; max-width: 420px; }
    .timeline-card h3 { font-family: 'Source Sans 3', sans-serif; font-size: 1.2rem; font-weight: 700; color: var(--bleu); margin: 0.5rem 0; }
    [data-theme="dark"] .timeline-card h3 { color: #fff; }
    .timeline-card ul { margin-top: 0.8rem; display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.9rem; }
    .timeline-card ul li::before { content: '✓ '; color: var(--vert); font-weight: bold; }

    /* Zone de commentaires intégrée locale */
    .comments-section { margin-top: 1.5rem; border-top: 1px solid rgba(0,0,0,0.1); padding-top: 1rem; }
    [data-theme="dark"] .comments-section { border-top-color: rgba(255,255,255,0.1); }
    .comments-list { max-height: 150px; overflow-y: auto; margin-bottom: 1rem; display: flex; flex-direction: column; gap: 0.6rem; }
    .comment-item { background: var(--gris-clair); padding: 0.6rem 0.8rem; border-radius: 6px; font-size: 0.85rem; }
    .comment-item strong { color: var(--vert); display: block; font-size: 0.8rem; }
    .comment-form-local { display: flex; gap: 0.5rem; }
    .comment-form-local input {
      flex: 1; padding: 0.5rem 0.8rem; border: 1px solid rgba(0,0,0,0.15);
      border-radius: 20px; font-size: 0.85rem; background: var(--blanc); color: var(--gris-texte);
    }
    .comment-form-local button { background: var(--vert); color: #fff; border: none; padding: 0.5rem 1rem; border-radius: 20px; cursor: pointer; font-size: 0.85rem; }

    /* =====================================================
       SECTION CARRIÈRES & OFFRES
    ===================================================== */
    #carrieres { padding: 6rem 0; background: var(--blanc); }
    .jobs-list { display: flex; flex-direction: column; gap: 1.5rem; max-width: 850px; margin: 0 auto; }
    .job-card {
      background: var(--gris-clair); border-radius: var(--radius); padding: 2rem;
      display: flex; justify-content: space-between; align-items: center; gap: 2rem; box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    }
    .job-card:hover { background: var(--card-bg); box-shadow: var(--shadow); }
    .job-meta { display: flex; gap: 1.5rem; margin-top: 0.5rem; font-size: 0.9rem; color: var(--gris-moyen); }
    .job-meta span { display: flex; align-items: center; gap: 0.4rem; }

    /* =====================================================
       SECTION ÉQUIPE DIRIGEANTE (AVEC PHOTOS RÉELLES)
    ===================================================== */
    #equipe { padding: 6rem 0; background: var(--gris-clair); }
    .equipe-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2.5rem; justify-content: center; }
    .equipe-card {
      background: var(--card-bg); border-radius: var(--radius); padding: 2.5rem 2rem;
      text-align: center; box-shadow: var(--shadow); display: flex; flex-direction: column; align-items: center;
    }
    .equipe-img-container {
      width: 140px; height: 140px; border-radius: 50%; overflow: hidden;
      margin-bottom: 1.2rem; border: 5px solid var(--vert); box-shadow: var(--shadow); background: #eee;
    }
    .equipe-img-container img { width: 100%; height: 100%; object-fit: cover; }
    .equipe-card h3 { font-family: 'Source Sans 3', sans-serif; font-size: 1.15rem; font-weight: 700; color: var(--bleu); margin-bottom: 0.4rem; }
    [data-theme="dark"] .equipe-card h3 { color: #fff; }
    .equipe-card .role { font-size: 0.9rem; color: var(--gris-moyen); font-weight: 600; }

    /* =====================================================
       SECTION CONTACT & FOOTER
    ===================================================== */
    #contact { padding: 6rem 0 0; background: var(--bleu); color: #fff; }
    .contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem; padding-bottom: 4rem; }
    .contact-info h2 { font-size: 2rem; margin-bottom: 1rem; }
    .contact-items { display: flex; flex-direction: column; gap: 1.2rem; }
    .contact-item { display: flex; gap: 1rem; padding: 1rem; background: rgba(255,255,255,0.05); border-radius: 8px; border-left: 4px solid var(--vert); }
    .contact-item i { color: var(--orange-clair); font-size: 1.3rem; margin-top: 3px; }
    
    .contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
    .form-group { display: flex; flex-direction: column; gap: 0.4rem; }
    .form-group label { font-size: 0.85rem; font-weight: 600; color: rgba(255,255,255,0.7); text-transform: uppercase; }
    .form-group input, .form-group textarea {
      background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
      border-radius: 6px; padding: 0.8rem; color: #fff; font-family: inherit; outline: none; transition: 0.3s;
    }
    .form-group input:focus, .form-group textarea:focus { border-color: var(--vert); background: rgba(255,255,255,0.12); }

    .cta-banner { background: linear-gradient(135deg, var(--vert) 0%, var(--vert-fonce) 100%); padding: 4rem 0; text-align: center; color: #fff; }
    .cta-banner h2 { margin-bottom: 1rem; }

    .footer-bar { border-top: 1px solid rgba(255,255,255,0.1); padding: 1.5rem 0; font-size: 0.85rem; color: rgba(255,255,255,0.6); }
    .social-links { display: flex; gap: 0.8rem; }
    .social-links a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; transition: 0.3s; color: #fff; }
    .social-links a:hover { background: var(--vert); transform: translateY(-3px); }

    #scrollTop {
      position: fixed; bottom: 2rem; right: 2rem; width: 46px; height: 46px; border-radius: 50%;
      background: var(--vert); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 12px rgba(0,0,0,0.3); opacity: 0; transform: translateY(10px); pointer-events: none; transition: 0.3s; z-index: 999;
    }
    #scrollTop.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

    /* =====================================================
       RESPONSIVE MODIFICATIONS
    ===================================================== */
    @media (max-width: 900px) {
      .apropos-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
      .timeline::before { left: 20px; transform: none; }
      .timeline-item, .timeline-item:nth-child(even) { justify-content: flex-start; padding-left: 55px; padding-right: 0; }
      .timeline-dot { left: 20px; }
      .job-card { flex-direction: column; align-items: flex-start; gap: 1.2rem; }
      .job-card .btn { width: 100%; justify-content: center; }
    }

    @media (max-width: 640px) {
      .nav-links {
        display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
        background: var(--bleu); padding: 1.5rem; gap: 0.8rem; box-shadow: 0 8px 20px rgba(0,0,0,0.3);
      }
      .nav-links.open { display: flex; }
      .hamburger { display: flex; }
      .hero-stats { gap: 1rem; }
    }