* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #ffffff;
            background-image: 
                linear-gradient(to right, #e5e5e5 1px, transparent 1px),
                linear-gradient(to bottom, #e5e5e5 1px, transparent 1px);
            background-size: 80px 20px;
            color: #333;
            overflow-x: hidden;
            position: relative;
        }

        /* Анимированные ячейки Excel */
        .excel-cell {
            position: absolute;
            width: 60px;
            height: 20px;
           /* border: 2px solid #0078d4;*/
            
            border: 2px solid #28a745;
            background: rgba(0, 120, 212, 0.1);
            opacity: 0;
            pointer-events: none;
            z-index: 1;
            animation: cellAppear 5s infinite ease-in-out;
            box-shadow: 0 0 8px rgba(0, 120, 212, 0.3);
        }

        @keyframes cellAppear {
            0%, 100% { 
                opacity: 0; 
                transform: scale(0.9); 
            }
            25%, 75% { 
                opacity: 0.8; 
                transform: scale(1.05); 
            }
            50% {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* Основной контент */
        .container {
            position: relative;
            z-index: 10;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Хедер */
        header {
            padding: 30px 0;
            text-align: center;
            background: rgba(248, 249, 250, 0);
            border: 1px solid #e5e5e5;
            border-radius: 40px;
            margin-bottom: 80px;
            backdrop-filter: blur(10px);
        }

        .logo {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0078d4, #106ebe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: -2px;
        }

        .tagline {
            font-size: 1.5rem;
            color: #64748B;
            font-weight: 300;
            margin-bottom: 30px;
        }

        .cta-primary {
            background: linear-gradient(135deg, #0078d4, #106ebe);
            color: white;
            padding: 18px 40px;
            border: none;
            border-radius: 40px;
            font-size: 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 2px 8px rgba(0, 120, 212, 0.3);
        }

        .cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 120, 212, 0.4);
            background: linear-gradient(135deg, #106ebe, #005a9e);
        }

        /* Секции */
        .section {
            margin-bottom: 100px;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 30px;
            color: #1F2937;
        }

        /* Преимущества */
        .benefits {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .benefit-card {
            background: rgba(255, 255, 255, 0.95);
            padding: 40px 30px;
            border-radius: 4px;
            text-align: center;
            border: 1px solid #d1d5db;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 3px;
            background: linear-gradient(135deg, #0078d4, #106ebe);
            transition: all 0.3s ease;
        }

        .benefit-card:hover::before {
            left: 0;
        }

        .benefit-card:hover {
            transform: translateY(-5px);
            border-color: #0078d4;
            box-shadow: 0 8px 25px rgba(0, 120, 212, 0.15);
        }

        .benefit-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #0078d4, #106ebe);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
        }

        .benefit-title {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: #1F2937;
        }

        .benefit-text {
            color: #64748B;
            line-height: 1.6;
        }

        /* Статистика */
        .stats {
            background: linear-gradient(135deg, #1F2937, #111827);
            border-radius: 30px;
            padding: 60px 40px;
            text-align: center;
            color: white;
            margin: 80px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0078d4, #106ebe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
        }

        .stat-label {
            color: #9CA3AF;
            font-size: 1.1rem;
        }

        /* Форма обратной связи */
        .feedback-section {
            background: rgba(248, 249, 250, 0);
            padding: 25px 40px;
            border-radius: 40px;
            margin: 100px 0;
            border: 1px solid #e5e5e5;
            backdrop-filter: blur(10px);
        }

        .feedback-form {
            max-width: 600px;
            margin: 0 auto;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-input {
            width: 100%;
            padding: 18px 25px;
            border: 2px solid #E5E7EB;
            border-radius: 15px;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            background: white;
        }

        .form-input:focus {
            outline: none;
            border-color: #0078d4;
            box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.1);
        }

        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }

        .form-submit {
            background: linear-gradient(135deg, #0078d4, #106ebe);
            color: white;
            padding: 18px 50px;
            border: none;
            border-radius: 40px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .form-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 120, 212, 0.3);
            background: linear-gradient(135deg, #106ebe, #005a9e);
        }

        /* Футер */
        footer {
            background: #1F2937;
            color: white;
            text-align: center;
            padding: 40px 0;
            margin-top: 100px;
        }

        .footer-text {
            color: #9CA3AF;
            font-size: 1rem;
        }

        /* Адаптивность */
        @media (max-width: 768px) {
            .logo {
                font-size: 2.5rem;
            }
            
            .tagline {
                font-size: 1.2rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .benefits {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .stats {
                padding: 40px 20px;
            }
            
            .feedback-section {
                padding: 60px 20px;
                margin: 60px 0;
            }
        }