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

    body {
      font-family: 'Roboto', sans-serif;
      background-color: #f8f9fa;
      color: #333;
      overflow-x: hidden;
    }

    /* NOUVEAUX STYLES D'EN-TÊTE ET DE NAVIGATION */
    header {
      background: linear-gradient(135deg, #dce3ea, #1a93bc);
      box-shadow: 0 2px 15px rgba(0, 0, 0, 0.15);
    }

    
    .navbar {
      padding: 1rem 0;
    }

    .navbar-brand img, .logo {
      height: 100px;
      margin-left: 20px;
      border-radius: 5px;
    }

    .navbar-nav .nav-link {
      color: white !important;
      font-weight: 500;
      margin: 0 0.5rem;
      transition: transform 0.3s, color 0.3s;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      transform: translateY(-2px);
      color: #FFD700 !important;
    }

    /* STYLES PERSONNALISÉS DU MENU MOBILE */
    @media (max-width: 991.98px) {
        /* Rend le menu dépliable pleine hauteur/largeur */
        .navbar-collapse {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #007BFF, #00BFFF); /* Fond comme l'en-tête */
            z-index: 1050; 
            padding-top: 5rem; 
            padding-left: 1rem;
            padding-right: 1rem;
            background-color: transparent !important;
        }

        /* Styles des éléments de liste pour la séparation */
        .navbar-nav .nav-item {
            margin: 0;
            border-bottom: 2px solid rgba(255, 255, 255, 0.4); /* Ligne de séparation */
            padding: 0.5rem 0; 
        }
        
        .navbar-nav .nav-link {
            font-size: 1.25rem; 
            font-weight: 500;
            padding-left: 0; 
        }
        
        /* Style du bouton de fermeture personnalisé (X en haut à droite) */
        .btn-close-mobile {
            position: absolute;
            top: 1.5rem;
            right: 1rem;
            font-size: 2rem;
            background: none;
            border: none;
            color: white;
            z-index: 1060;
            cursor: pointer;
            padding: 0.5rem;
        }

        .btn-close-mobile i {
            color: white;
        }
        
        /* Assure que le logo est au-dessus du menu sur mobile */
        .navbar-brand {
            position: relative; 
            z-index: 1060; 
        }

        .navbar-brand .logo-container {
            width: 100%;
            text-align: left;
            padding-left: 0;
        }
        
        .nav-list-container {
            width: 100%;
            margin-left: 0 !important;
        }
    }
    /* FIN DES NOUVEAUX STYLES D'EN-TÊTE */

    /* HERO SECTION */
    .hero-section {
      /* Image de fond pour le hero */
      background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
      url('images/Image-acceuil-1.webp') center/cover no-repeat;
      color: white;
      text-align: center;
      padding: 6rem 1rem;
      min-height: 80vh;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: inset 0 -10px 10px rgba(0,0,0,0.2);
    }

    .hero-content {
      max-width: 800px;
    }

    .hero-content h1 {
      font-family: 'Playfair Display', serif;
      font-size: 3.5rem;
      font-weight: 700;
      margin-bottom: 1rem;
      opacity: 0;
      animation: slideInUp 1s ease-out forwards;
    }

    .hero-content p {
      font-size: 1.4rem;
      margin-bottom: 2rem;
      opacity: 0;
      animation: fadeIn 1s ease-out forwards;
      animation-delay: 0.5s;
    }

    .hero-content .btn {
      border-radius: 50px;
      padding: 0.75rem 2rem;
      font-size: 1.1rem;
      font-weight: 500;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .hero-content .btn-primary {
      /* Couleur secondaire pour les CTA principaux (Rouge/Sang) */
      background: linear-gradient(45deg, #FF6B6B, #FF8E8E); 
      border: none;
    }

    .hero-content .btn-primary:hover {
      background: linear-gradient(45deg, #FF4F4F, #FF7272);
      transform: translateY(-2px);
      box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
    }

    .hero-content .btn-outline-light {
      border: 2px solid white;
    }

    .hero-content .btn-outline-light:hover {
      background-color: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
    }

    /* FEATURE CARDS */
    .feature-section {
      margin-top: -60px !important; /* Tire les cartes vers le haut par-dessus le hero */
      position: relative;
      z-index: 10;
    }

    .feature-card {
      background: white;
      padding: 2rem;
      border-radius: 10px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      /* Bordure supérieure pour différencier les cartes */
      border-top: 5px solid #007BFF; 
      transition: transform 0.4s ease, box-shadow 0.4s ease;
      height: 100%;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    }
    
    .feature-card:nth-child(2) { border-color: #28A745;}
    .feature-card:nth-child(3) { border-color: #FFD700;}

    .feature-card i {
      font-size: 3rem;
      color: #007BFF;
      margin-bottom: 1rem;
    }
    
    .feature-card:nth-child(2) i { color: #28A745; }
    .feature-card:nth-child(3) i { color: #FFD700; }

    .feature-card h3 {
      font-family: 'Playfair Display', serif;
      color: #333;
      margin-bottom: 0.8rem;
    }

    .card-link {
      display: inline-block;
      color: #007BFF;
      font-weight: 500;
      text-decoration: none;
      margin-top: 1rem;
      transition: color 0.3s;
    }

    .card-link:hover {
      color: #00BFFF;
    }

    /* MISSION & VISION */
    .content-section {
      background-color: white;
    }

    .content-card h2 {
      font-family: 'Playfair Display', serif;
      font-size: 2rem;
      color: #007BFF;
      margin-bottom: 1rem;
      text-align: center;
    }

    .content-card p {
      font-size: 1.1rem;
      color: #555;
      margin-bottom: 1.5rem;
    }
    
    .read-more-btn {
        display: inline-block;
        color: #28A745;
        font-weight: bold;
        text-decoration: none;
        border-bottom: 2px solid #28A745;
        padding-bottom: 3px;
        transition: all 0.3s ease;
    }
    
    .read-more-btn:hover {
        color: #1a7530;
        border-color: #1a7530;
    }

    .image-container img {
      width: 70%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      transition: transform 0.5s ease;
    }

    .image-container img:hover {
      transform: scale(1.03);
    }

    /* CALL TO ACTION */
    .cta-section {
      /* Fond principal bleu/gradient */
      background: linear-gradient(135deg, #007BFF, #00BFFF);
      color: white;
      text-align: center;
      padding: 4rem 2rem;
      margin-top: 3rem;
    }

    .cta-section h2 {
      font-family: 'Playfair Display', serif;
      font-size: 2.5rem;
      margin-bottom: 1.5rem;
    }

    .cta-section .btn {
      /* Couleur secondaire pour le bouton CTA (Rouge/Sang) */
      background: linear-gradient(135deg, #FF6B6B, #FF8E8E);
      color: white;
      border: none;
      padding: 0.8rem 2.5rem;
      font-size: 1.2rem;
      border-radius: 50px;
      font-weight: bold;
      transition: all 0.3s ease;
    }

    .cta-section .btn:hover {
      background: linear-gradient(135deg, #FF4F4F, #FF7272);
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(255, 107, 107, 0.5);
    }

    /* FOOTER */
    footer {
        background: linear-gradient(135deg, #343a40 0%, #495057 100%);
        color: white;
        text-align: center;
        padding: 2rem 1rem;
        margin-top: 0; 
    }

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

    footer p {
        margin: 0.5rem 0;
    }

    footer a {
        color: white;
        margin: 0 1rem;
        text-decoration: none;
        transition: color 0.3s;
    }

    footer a:hover {
        color: #00BFFF;
    }


    /* KEYFRAME ANIMATIONS */
    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }

    @keyframes slideInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* MEDIA QUERIES */
    @media (max-width: 768px) {
        .hero-content h1 {
            font-size: 2.5rem;
        }

        .hero-content p {
            font-size: 1.2rem;
        }

        .hero-section {
            padding: 4rem 1rem;
            min-height: 60vh;
        }

        .feature-section {
            margin-top: 0 !important;
        }
        
        .content-card h2 {
            font-size: 2rem;
        }
        
        .cta-section h2 {
            font-size: 2rem;
        }
        
        .cta-section .btn {
            font-size: 1rem;
            padding: 0.8rem 1.8rem;
        }

        .image-container img {
          width: 100%;
          height: auto;
          border-radius: 10px;
          box-shadow: 0 4px 15px rgba(0,0,0,0.1);
          transition: transform 0.5s ease;
        }
        .content-card h2 {
          font-family: 'Playfair Display', serif;
          font-size: 1.5rem;
          color: #007BFF;
          margin-bottom: 1rem;
          text-align: center;
        }

    }