/* Стили только для Contact секции */
        .contact-section {
            width: 100%;
            padding: 100px 0;
            background: linear-gradient(135deg, 
                #f8f9fa 0%, 
                #f1f5f9 50%, 
                #e9f2fa 100%);
            position: relative;
            overflow: hidden;
        }

        .contact-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(39, 174, 96, 0.05) 0%, transparent 70%);
            top: -200px;
            right: -200px;
            z-index: 1;
        }

        .contact-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(41, 128, 185, 0.05) 0%, transparent 70%);
            bottom: -150px;
            left: -150px;
            z-index: 1;
        }

        .contact-section .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }

        .contact-section .section-title {
            text-align: center;
            margin-bottom: 70px;
        }

        .contact-section .section-title h2 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1a2a3a;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .contact-section .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #27ae60, #2ecc71);
            border-radius: 2px;
        }

        .contact-section .section-title p {
            font-size: 1.3rem;
            color: #5a6c7d;
            max-width: 600px;
            margin: 25px auto 0;
            line-height: 1.6;
        }

        .contact-section .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 50px;
            margin-top: 30px;
        }

        .contact-section .contact-info {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 
                0 10px 30px rgba(0, 0, 0, 0.05),
                0 1px 8px rgba(0, 0, 0, 0.03);
            border: 1px solid rgba(0, 0, 0, 0.05);
            position: relative;
            overflow: hidden;
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }

        .contact-section .contact-info:hover {
            transform: translateY(-10px);
            box-shadow: 
                0 20px 40px rgba(0, 0, 0, 0.1),
                0 8px 16px rgba(39, 174, 96, 0.1);
            border-color: rgba(39, 174, 96, 0.2);
        }

        .contact-section .contact-info::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: linear-gradient(to bottom, #27ae60, #2ecc71);
            border-radius: 20px 0 0 20px;
        }

        .contact-section .contact-info h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1a2a3a;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid rgba(39, 174, 96, 0.1);
        }

        .contact-section .contact-info > p {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #5a6c7d;
            margin-bottom: 30px;
        }

        .contact-section .contact-details {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-section .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px;
            border-radius: 12px;
            background: rgba(39, 174, 96, 0.03);
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .contact-section .contact-item:hover {
            background: rgba(39, 174, 96, 0.08);
            border-color: rgba(39, 174, 96, 0.1);
            transform: translateX(5px);
            box-shadow: 0 5px 15px rgba(39, 174, 96, 0.05);
        }

        .contact-section .contact-icon {
            width: 55px;
            height: 55px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(39, 174, 96, 0.1), rgba(52, 152, 219, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .contact-section .contact-item:hover .contact-icon {
            background: linear-gradient(135deg, rgba(39, 174, 96, 0.2), rgba(52, 152, 219, 0.2));
            transform: scale(1.1);
            box-shadow: 0 5px 15px rgba(39, 174, 96, 0.1);
        }

        .contact-section .contact-icon i {
            font-size: 1.5rem;
            background: linear-gradient(135deg, #27ae60, #2ecc71);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .contact-section .contact-item h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #1a2a3a;
            margin-bottom: 8px;
        }

        .contact-section .contact-item p {
            font-size: 1rem;
            line-height: 1.6;
            color: #5a6c7d;
            margin: 0;
        }

        .contact-section .contact-item a {
            font-size: 1rem;
            color: #27ae60;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            display: inline-block;
            position: relative;
        }

        .contact-section .contact-item a:hover {
            color: #1e8449;
            transform: translateX(3px);
        }

        .contact-section .contact-item a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: #27ae60;
            transition: width 0.3s ease;
        }

        .contact-section .contact-item a:hover::after {
            width: 100%;
        }

        .contact-section .contact-tip {
            margin-top: 30px;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 12px;
            border-left: 4px solid #25D366;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
        }

        .contact-section .contact-tip p {
            font-size: 1rem;
            line-height: 1.6;
            color: #5a6c7d;
            margin: 0;
        }

        .contact-section .contact-tip strong {
            color: #27ae60;
        }

        /* Декоративные элементы */
        .contact-section .decor-cube {
            position: absolute;
            width: 60px;
            height: 60px;
            background: rgba(39, 174, 96, 0.05);
            border: 1px solid rgba(39, 174, 96, 0.1);
            z-index: 1;
            transform: rotate(15deg);
            animation: rotate-cube-contact 30s infinite linear;
        }

        .contact-section .decor-cube:nth-child(1) {
            top: 15%;
            left: 5%;
            width: 40px;
            height: 40px;
            animation-delay: 0s;
        }

        .contact-section .decor-cube:nth-child(2) {
            bottom: 20%;
            right: 8%;
            width: 50px;
            height: 50px;
            animation-delay: -10s;
        }

        @keyframes rotate-cube-contact {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Анимация появления элементов */
        @keyframes fadeInUpContact {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .contact-section .contact-info {
            animation: fadeInUpContact 0.6s ease forwards;
            opacity: 0;
        }

        .contact-section .contact-info:nth-child(1) { animation-delay: 0.1s; }
        .contact-section .contact-info:nth-child(2) { animation-delay: 0.3s; }

        /* Адаптивность */
        @media (max-width: 992px) {
            .contact-section {
                padding: 80px 0;
            }
            
            .contact-section .section-title h2 {
                font-size: 2.4rem;
            }
            
            .contact-section .section-title p {
                font-size: 1.2rem;
            }
            
            .contact-section .contact-container {
                gap: 30px;
            }
            
            .contact-section .contact-info {
                padding: 35px 30px;
            }
            
            .contact-section .contact-info h3 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .contact-section {
                padding: 70px 0;
            }
            
            .contact-section .section-title h2 {
                font-size: 2.2rem;
            }
            
            .contact-section .section-title p {
                font-size: 1.1rem;
            }
            
            .contact-section .contact-container {
                grid-template-columns: 1fr;
                max-width: 600px;
                margin: 0 auto;
                gap: 40px;
            }
            
            .contact-section .contact-info {
                padding: 30px 25px;
            }
            
            .contact-section .contact-info::before {
                width: 100%;
                height: 6px;
                border-radius: 20px 20px 0 0;
                top: 0;
                left: 0;
            }
            
            .contact-section .decor-cube {
                display: none;
            }
        }

        @media (max-width: 480px) {
            .contact-section {
                padding: 60px 0;
            }
            
            .contact-section .section-title h2 {
                font-size: 2rem;
            }
            
            .contact-section .contact-info {
                padding: 25px 20px;
            }
            
            .contact-section .contact-item {
                padding: 15px;
                gap: 15px;
            }
            
            .contact-section .contact-icon {
                width: 50px;
                height: 50px;
            }
            
            .contact-section .contact-icon i {
                font-size: 1.3rem;
            }
            
            .contact-section .contact-item h4 {
                font-size: 1.1rem;
            }
            
            .contact-section .contact-item p,
            .contact-section .contact-item a {
                font-size: 0.95rem;
            }
        }

        /* Стили для демонстрационного контента (не входят в секцию) */
        .demo-content {
            padding: 60px 20px;
            background-color: #1a2a3a;
            color: white;
        }
        
        .demo-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .demo-content h2 {
            margin-bottom: 20px;
        }