/* WhatsApp Widget Container */
        .whatsapp-widget {
            position: fixed;
            bottom: 25px;
            right: 25px;
            z-index: 1000;
        }

        /* Main WhatsApp Button */
        .whatsapp-main-btn {
            width: 60px;
            height: 60px;
            background-color: #25d366;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            animation: pulse-green 2s infinite;
        }

        .whatsapp-main-btn:hover {
            background-color: #128C7E;
            transform: scale(1.1);
        }

        /* Service Selection Panel */
        .whatsapp-panel {
            position: absolute;
            bottom: 70px;
            right: 0;
            width: 300px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.3s ease;
        }

        .whatsapp-panel.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .panel-header {
            text-align: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }

        .panel-header h6 {
            margin: 0;
            color: #25d366;
            font-weight: bold;
        }

        .service-option {
            padding: 12px;
            margin: 8px 0;
            border: 2px solid #e9ecef;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
        }

        .service-option:hover {
            border-color: #25d366;
            background-color: #f8fff9;
        }

        .service-option.selected {
            border-color: #25d366;
            background-color: #e8f7eb;
        }

        .service-icon {
            width: 30px;
            height: 30px;
            background: #25d366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            margin-right: 10px;
            font-size: 14px;
        }

        .service-info {
            flex: 1;
        }

        .service-name {
            font-weight: bold;
            margin: 0;
            font-size: 14px;
        }

        .service-price {
            color: #666;
            font-size: 12px;
            margin: 0;
        }

        .book-btn {
            width: 100%;
            background: #25d366;
            color: white;
            border: none;
            padding: 12px;
            border-radius: 8px;
            font-weight: bold;
            margin-top: 15px;
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .book-btn:hover {
            background: #128C7E;
        }

        .close-panel {
            position: absolute;
            top: 10px;
            right: 15px;
            background: none;
            border: none;
            font-size: 18px;
            cursor: pointer;
            color: #666;
        }

        @keyframes pulse-green {
            0% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
            }
        }

        /* Demo content */
        .demo-content {
            height: 1500px;
            padding: 50px;
            background: linear-gradient(45deg, #f8f9fa, #e9ecef);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .whatsapp-panel {
                width: 280px;
                right: -10px;
            }
        }