body {
            margin: 0;
            height: 200vh;
            background: #f5f5f5;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        /* Container principal du CTA flottant */
        .floating-cta {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1000;
            transform: translateY(0);
            transition: transform 0.3s ease;
        }

        /* Bouton principal */
        .floating-cta-button {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            background: linear-gradient(135deg, #8B7355 0%, #B8956A 100%);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
            font-weight: 600;
            font-size: 16px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            min-width: 180px;
            justify-content: center;
        }

        /* Animation de pulsation subtile */
        .floating-cta-button::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            transform: translate(-50%, -50%) scale(0);
            animation: pulse-ring 2s infinite;
        }

        @keyframes pulse-ring {
            0% {
                transform: translate(-50%, -50%) scale(0.8);
                opacity: 1;
            }
            100% {
                transform: translate(-50%, -50%) scale(1.2);
                opacity: 0;
            }
        }

        /* Effet hover */
        .floating-cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(37, 99, 235, 0.5);
            background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
        }

        /* Icône téléphone */
        .floating-cta-button .fa-phone {
            font-size: 18px;
            animation: phone-shake 3s infinite;
            transform-origin: center;
        }

        @keyframes phone-shake {
            0%, 90%, 100% {
                transform: rotate(0deg);
            }
            5%, 15%, 25% {
                transform: rotate(-5deg);
            }
            10%, 20% {
                transform: rotate(5deg);
            }
        }

        /* Texte du bouton */
        .floating-cta-button span {
            position: relative;
            z-index: 2;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* Badge de disponibilité */
        .status-badge {
            position: absolute;
            top: -8px;
            right: -8px;
            width: 20px;
            height: 20px;
            background: #10b981;
            border: 3px solid white;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.1);
                opacity: 0.8;
            }
        }

        /* Tooltip au hover */
        .floating-cta-button::after {
            content: 'Devis gratuit • Réponse rapide';
            position: absolute;
            bottom: 110%;
            right: 50%;
            transform: translateX(50%);
            background: rgba(0, 0, 0, 0.9);
            color: white;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            pointer-events: none;
        }

        .floating-cta-button:hover::after {
            opacity: 1;
            visibility: visible;
            bottom: 120%;
        }

        /* Triangle du tooltip */
        .floating-cta-button:hover::before {
            animation: none; /* Stop la pulsation pendant le hover */
        }

        /* Version responsive */
        @media (max-width: 768px) {
            .floating-cta {
                bottom: 15px;
                right: 15px;
            }

            .floating-cta-button {
                padding: 14px 20px;
                font-size: 15px;
                min-width: 160px;
            }

            .floating-cta-button .fa-phone {
                font-size: 16px;
            }

            .floating-cta-button span {
                font-size: 15px;
            }
        }

        /* Animation d'entrée */
        .floating-cta {
            animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @keyframes slideInUp {
            from {
                transform: translateY(100px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        /* Effet de focus pour l'accessibilité */
        .floating-cta-button:focus {
            outline: none;
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4), 0 0 0 3px rgba(37, 99, 235, 0.3);
        }

        /* Version alternative avec numéro visible */
        .floating-cta-extended {
            flex-direction: column;
            gap: 4px;
            padding: 12px 20px;
        }

        .floating-cta-extended .phone-number {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .floating-cta-extended .call-text {
            font-size: 12px;
            opacity: 0.9;
            font-weight: 500;
        }

        /* Démonstration - contenu de la page */
        .demo-content {
            padding: 40px 20px;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.6;
        }