@keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes slideIn {
            from { transform: translateY(-20px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
        #specialOfferOverlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            animation: fadeIn 0.5s ease-out;
        }
        #specialOfferOverlay .overlay-content {
            background-color: #ffffff;
            padding: 2rem;
            border-radius: 10px;
            max-width: 500px;
            text-align: center;
            position: relative;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            animation: slideIn 0.5s ease-out;
        }
        #specialOfferOverlay .close-btn {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
            transition: transform 0.3s ease;
        }
        #specialOfferOverlay .close-btn:hover {
            transform: rotate(90deg);
        }
        #specialOfferOverlay h2 {
            color: #4a4a4a;
            margin-bottom: 1rem;
        }
        #specialOfferOverlay p {
            color: #6a6a6a;
            margin-bottom: 1.5rem;
        }
        #specialOfferOverlay .cta-btn {
            background-color: #4CAF50;
            color: white;
            padding: 12px 24px;
            border: none;
            border-radius: 25px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        #specialOfferOverlay .cta-btn:hover {
            background-color: #45a049;
            transform: translateY(-2px);
            box-shadow: 0 6px 8px rgba(0,0,0,0.15);
        }
        #specialOfferOverlay .timer {
            font-size: 0.9rem;
            color: #888;
            margin-top: 1rem;
        }
        #specialOfferOverlay .benefits {
            display: flex;
            justify-content: space-around;
            margin: 20px 0;
        }
        #specialOfferOverlay .benefit-item {
            flex: 1;
            padding: 10px;
            transition: all 0.3s;
        }
        .benefit-item:hover {
            transform: scale(1.05);
        }
        #specialOfferOverlay .testimonial {
            font-style: italic;
            margin: 20px 0;
            padding: 15px;
            background-color: #f9f9f9;
            border-radius: 5px;
        }
        #specialOfferOverlay .stats {
            display: flex;
            justify-content: space-around;
            margin-top: 20px;
        }
        #specialOfferOverlay .stat-item {
            text-align: center;
        }
        #specialOfferOverlay .stat-value {
            font-size: 1.5rem;
            font-weight: bold;
            color: #4CAF50;
        }