@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");
        
        body {
            font-family: "Inter", sans-serif;
            background-color: #fafbfc;
            scroll-behavior: smooth;
        }
        
        /* REMPLACEMENT DU VIOLET PAR DU BLEU DOUX */
        .gradient-bg {
            /* De : Violet (#667eea) -> Violet foncé (#764ba2) */
            /* À : Bleu Ciel (#60a5fa) -> Bleu Royal (#2563eb) */
            background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
        }
        
        .gradient-bg-alt {
            /* De : Rose (#f093fb) -> Rouge (#f5576c) */
            /* À : Cyan (#22d3ee) -> Bleu Ciel (#60a5fa) */
            background: linear-gradient(135deg, #22d3ee 0%, #60a5fa 100%);
        }
        
        .card-hover {
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .card-hover:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }
        
        .feature-card {
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
            border: 1px solid rgba(226, 232, 240, 0.8);
            backdrop-filter: blur(10px);
        }
        
        .stat-card {
            /* Même bleu que le fond principal */
            background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
            color: white;
        }
        
        .floating {
            animation: floating 3s ease-in-out infinite;
        }
        
        @keyframes floating {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .pulse-glow {
            animation: pulse-glow 2s ease-in-out infinite alternate;
        }
        
        @keyframes pulse-glow {
            /* Lueur bleue au lieu de violette */
            from { box-shadow: 0 0 20px rgba(96, 165, 250, 0.4); }
            to { box-shadow: 0 0 30px rgba(96, 165, 250, 0.8); }
        }
        
        .nav-blur {
            
            background: #ffffff; /* Fond blanc pur (100%) */
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); /* Ajout d'une ombre pour la séparation */
        }
        
        .glass-effect {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .text-gradient {
            /* Dégradé de texte bleu */
            background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .btn-primary {
            /* Boutons bleus */
            background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            /* Ombre bleue */
            box-shadow: 0 10px 25px rgba(96, 165, 250, 0.4);
        }
        
        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }
        
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        
        .scroll-indicator {
            animation: bounce 2s infinite;
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-10px); }
            60% { transform: translateY(-5px); }
        }
        
        .progress-bar {
            height: 4px;
            /* Barre de progression bleue */
            background: linear-gradient(90deg, #60a5fa 0%, #2563eb 100%);
            position: fixed;
            top: 0;
            left: 0;
            z-index: 9999;
            transition: width 0.3s ease;
        }

        /* Responsive improvements */
        @media (max-width: 640px) {
            .hero-title {
                font-size: 2.5rem !important;
                line-height: 1.2 !important;
            }
            
            .hero-subtitle {
                font-size: 1.125rem !important;
                line-height: 1.6 !important;
            }
            
            .feature-grid {
                grid-template-columns: 1fr !important;
                gap: 1.5rem !important;
            }
            
            .revue-grid {
                grid-template-columns: 1fr !important;
                gap: 1.5rem !important;
            }
            
            .nav-brand {
                font-size: 1rem !important;
            }
            
            .mobile-menu-content {
                width: 100% !important;
                max-width: 100% !important;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 3rem !important;
            }
            
            .hero-subtitle {
                font-size: 1.25rem !important;
            }
            
            .feature-grid {
                grid-template-columns: repeat(2, 1fr) !important;
            }
            
            .revue-grid {
                grid-template-columns: repeat(2, 1fr) !important;
            }
        }