.stars-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(ellipse at bottom, #1B2735 0%, #090A0F 100%),
                url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="2000" height="2000" viewBox="0 0 2000 2000"><rect width="100%" height="100%" fill="transparent"/><circle cx="100" cy="150" r="1" fill="white" opacity="0.8"/><circle cx="300" cy="450" r="1.2" fill="white" opacity="0.6"/><circle cx="700" cy="250" r="1.5" fill="white" opacity="0.9"/><circle cx="900" cy="50" r="1" fill="white" opacity="0.5"/><circle cx="1500" cy="350" r="1.3" fill="white" opacity="0.7"/><circle cx="1200" cy="500" r="1" fill="white" opacity="0.8"/><circle cx="400" cy="700" r="1.2" fill="white" opacity="0.6"/><circle cx="800" cy="900" r="1.5" fill="white" opacity="0.9"/><circle cx="1600" cy="650" r="1" fill="white" opacity="0.5"/><circle cx="200" cy="950" r="1.3" fill="white" opacity="0.7"/><circle cx="600" cy="1200" r="1" fill="white" opacity="0.8"/><circle cx="1000" cy="1500" r="1.2" fill="white" opacity="0.6"/><circle cx="1400" cy="1100" r="1.5" fill="white" opacity="0.9"/><circle cx="1800" cy="850" r="1" fill="white" opacity="0.5"/><circle cx="200" cy="1300" r="1.3" fill="white" opacity="0.7"/><circle cx="500" cy="1600" r="1" fill="white" opacity="0.8"/><circle cx="900" cy="1800" r="1.2" fill="white" opacity="0.6"/><circle cx="1300" cy="1400" r="1.5" fill="white" opacity="0.9"/><circle cx="1700" cy="1200" r="1" fill="white" opacity="0.5"/></svg>');
            z-index: 1;
            animation: twinkle 100s linear infinite;
        }

        @keyframes twinkle {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Боковое меню - десктопная версия */
        .side-menu {
            position: fixed;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 70px;
            background: rgba(0, 0, 0, 0.7);
            border-radius: 20px 0 0 20px;
            padding: 15px 5px;
            z-index: 1000;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .menu-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            background: transparent;
            color: white;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-size: 12px;
            transition: all 0.5s ease;
            text-align: center;
        }

        .menu-btn:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .menu-btn svg {
            margin-bottom: 5px;
        }

        /* Формы */
        .contact-form {
            position: fixed;
            right: -400px;
            top: 50%;
            transform: translateY(-50%);
            width: 350px;
            max-width: calc(100vw - 80px);
            background: rgba(0, 0, 0, 0.9);
            padding: 20px;
            border-radius: 10px 0 0 10px;
            z-index: 1001;
            transition: right 0.7s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-form.active {
            right: 70px;
        }

        /* Мобильная версия меню */
        @media (max-width: 768px) {
            .side-menu {
                top: auto;
                bottom: 0;
                left: 0;
                right: 0;
                width: 100%;
                height: 70px;
                flex-direction: row;
                justify-content: space-around;
                border-radius: 20px 20px 0 0;
                transform: none;
                padding: 5px 10px;
            }

            .menu-btn {
                margin-bottom: 0;
                margin-right: 5px;
                flex: 1;
                height: 100%;
                justify-content: center;
            }

            .menu-btn svg {
                margin-bottom: 2px;
            }

            /* Адаптация форм для мобильных */
            .contact-form {
                top: auto;
                bottom: 80px;
                right: -100%;
                width: calc(100% - 20px);
                max-width: none;
                border-radius: 10px;
                transform: none;
            }

            .contact-form.active {
                right: 10px;
            }

            /* Социальные кнопки также адаптируем */
            .social-button {
                top: auto;
                bottom: 80px;
                right: -100%;
                width: calc(100% - 20px);
                max-width: none;
                border-radius: 10px;
                transform: none;
            }

            .social-button.active {
                right: 10px;
            }
        }

        .contact-form h3 {
            color: white;
            margin-bottom: 15px;
            text-align: center;
        }

        .contact-form input, 
        .contact-form textarea {
            width: 100%;
            padding: 10px;
            margin-bottom: 10px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 5px;
            color: white;
        }

        .contact-form button {
            width: 100%;
            padding: 10px;
            background: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .contact-form button:hover {
            background: #3e8e41;
        }

        .privacy-checkbox {
            display: flex;
            align-items: center;
            margin: 10px 0;
            font-size: 12px;
            color: #ccc;
        }

        .privacy-checkbox input {
            width: auto;
            margin-right: 10px;
        }

        .social-button {
            position: fixed;
            right: -200px;
            top: 50%;
            transform: translateY(-50%);
            width: 200px;
            /* background: rgba(0, 0, 0, 0.9); */
            padding: 20px;
            border-radius: 10px 0 0 10px;
            z-index: 1001;
        
            transition: right 0.7s ease;
            /* border: 1px solid rgba(255, 255, 255, 0.2); */
        }

        .social-button.active {
            right: 70px;
        }

        .social-btn {
            display: block;
            width: 100%;
            padding: 12px;
            color: white;
            text-align: center;
            text-decoration: none;
            border-radius: 5px;
            transition: all 0.3s ease;
            font-size: 16px;
            margin-bottom: 10px;
        }

        .social-btn:last-child {
            margin-bottom: 0;
        }

        .social-btn:hover {
            transform: scale(1.05);
        }

        .telegram {
            background: #0088cc;
        }

        .whatsapp {
            background: #25D366;
        }

        .vk {
            background: #4a76a8;
        }

        .notification {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(0, 0, 0, 0.9);
            padding: 20px 30px;
            border-radius: 10px;
            border: 1px solid #4CAF50;
            color: white;
            z-index: 1002;
            opacity: 0;
            transition: opacity 1s ease;
            pointer-events: none;
            max-width: 80%;
            text-align: center;
            box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
        }

        .notification.active {
            opacity: 1;
        }

        @media (max-width: 480px) {
            .contact-form h3 {
                font-size: 1.2rem;
            }
            
            .contact-form input, 
            .contact-form textarea,
            .contact-form button {
                padding: 8px;
                font-size: 14px;
            }
            
            .privacy-checkbox {
                font-size: 10px;
            }
            
            .notification {
                padding: 15px 20px;
                font-size: 14px;
            }
        }