.whatsapp-container {
            position: relative;
        }

        .whatsapp-btn {
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 28px;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 50%, #25D366 100%);
            background-size: 200% 200%;
            border: none;
            border-radius: 50px;
            color: white;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            overflow: hidden;
            box-shadow: 
                0 8px 32px rgba(37, 211, 102, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            animation: pulse 2s ease-in-out infinite, gradientShift 4s ease-in-out infinite;
        }

        .whatsapp-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .whatsapp-btn:hover::before {
            left: 100%;
        }

        .whatsapp-btn:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 
                0 15px 40px rgba(37, 211, 102, 0.4),
                0 5px 15px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
        }

        .whatsapp-icon {
            width: 24px;
            height: 24px;
            transition: all 0.3s ease;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
        }

        .whatsapp-btn:hover .whatsapp-icon {
            transform: rotate(15deg) scale(1.1);
            filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
        }

        .btn-text {
            position: relative;
            z-index: 2;
        }

        .floating-particles {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.6);
            border-radius: 50%;
            opacity: 0;
        }

        .whatsapp-btn:hover .particle {
            animation: particleFloat 1s ease-out forwards;
        }

        .particle:nth-child(1) { animation-delay: 0s; }
        .particle:nth-child(2) { animation-delay: 0.1s; }
        .particle:nth-child(3) { animation-delay: 0.2s; }
        .particle:nth-child(4) { animation-delay: 0.3s; }
        .particle:nth-child(5) { animation-delay: 0.4s; }

        /* Floating WhatsApp Button - hidden by default */
        .whatsapp-floating {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1000;
            display: none;
        }

        .whatsapp-floating .whatsapp-btn {
            width: auto;
            height: auto;
            border-radius: 50px;
            padding: 12px 20px;
            justify-content: center;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }

        .whatsapp-floating .whatsapp-icon {
            width: 20px;
            height: 20px;
        }

        .whatsapp-floating .btn-text {
            display: inline;
        }

        .whatsapp-floating .floating-particles {
            display: none;
        }

        /* Responsive behavior */
        @media (max-width: 944px) {
            /* Hide header WhatsApp button */
            .header-buttons .whatsapp-btn {
                display: none;
            }
            
            /* Show floating WhatsApp button */
            .whatsapp-floating {
                display: block;
            }
        }

        @media (max-width: 768px) {
            /* Full width button at bottom for mobile */
            .whatsapp-floating {
                bottom: 0;
                right: 0;
                left: 0;
                width: 100%;
                padding: 0;
            }
            
            .whatsapp-floating .whatsapp-btn {
                width: 100%;
                border-radius: 0;
                padding: 16px 20px;
                justify-content: center;
                font-size: 16px;
            }
            
            .whatsapp-floating .whatsapp-icon {
                width: 24px;
                height: 24px;
            }
        }

        @media (min-width: 945px) {
            /* Show header WhatsApp button */
            .header-buttons .whatsapp-btn {
                display: flex;
            }
            
            /* Hide floating WhatsApp button */
            .whatsapp-floating {
                display: none;
            }
        }

        

        @keyframes pulseHover {
            0%, 100% {
                box-shadow: 
                    0 15px 40px rgba(37, 211, 102, 0.6),
                    0 5px 15px rgba(0, 0, 0, 0.2),
                    0 0 30px rgba(37, 211, 102, 0.4),
                    inset 0 1px 0 rgba(255, 255, 255, 0.3);
            }
            50% {
                box-shadow: 
                    0 15px 40px rgba(37, 211, 102, 0.8),
                    0 5px 15px rgba(0, 0, 0, 0.2),
                    0 0 40px rgba(37, 211, 102, 0.6),
                    inset 0 1px 0 rgba(255, 255, 255, 0.3);
            }
        }

        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        @keyframes particleFloat {
            0% {
                opacity: 1;
                transform: translate(0, 0) scale(0);
            }
            100% {
                opacity: 0;
                transform: translate(var(--random-x, 20px), var(--random-y, -30px)) scale(1);
            }
        }

        /* Ripple effect */
        .whatsapp-btn {
            position: relative;
            overflow: hidden;
        }

        .whatsapp-btn::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.3s, height 0.3s;
        }

        .whatsapp-btn:active::after {
            width: 200px;
            height: 200px;
        }

        /* Header "ЗАКАЗАТЬ ЗВОНОК" button hover effects to match WhatsApp button */
        .header-button.call-button {
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        .header-button.call-button:hover {
            transform: translateY(-3px) scale(1.05);
        }

        .header-button.call-button .button-icon {
            transition: all 0.3s ease;
        }

        .header-button.call-button:hover .button-icon {
            transform: rotate(15deg) scale(1.1);
        }