/* Общие стили */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f4f4f4;
            padding: 0;
        }
        .header {
            background-color: #003366;
            color: #fff;
            padding: 20px;
            text-align: center;
        }
        .header h1 {
            margin: 0;
            font-size: 28px;
        }
        .header p {
            margin-top: 5px;
            font-size: 16px;
            opacity: 0.8;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* Стили для навигационного меню */
        .main-nav {
            background-color: #002244;
            padding: 0;
            position: relative;
        }
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: center;
        }
        .nav-list {
            list-style: none;
            display: flex;
            margin: 0;
            padding: 0;
        }
        .nav-list li {
            position: relative;
        }
        .nav-list a {
            display: block;
            color: #fff;
            text-decoration: none;
            padding: 15px 20px;
            transition: background-color 0.3s;
            font-weight: 500;
        }
        .nav-list a:hover {
            background-color: #003366;
        }
        .nav-list a.active {
            background-color: #003366;
        }
        
        /* Бургер-меню для мобильных устройств */
        .burger-menu {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 21px;
            cursor: pointer;
            position: absolute;
            top: 15px;
            right: 20px;
            z-index: 1000;
        }
        .burger-menu span {
            display: block;
            height: 3px;
            width: 100%;
            background-color: #007bff;
            transition: all 0.3s;
        }
        .burger-menu.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .burger-menu.active span:nth-child(2) {
            opacity: 0;
        }
        .burger-menu.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        
        /* Секция героя с поиском */
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/images/tracktor.jpg');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 80px 20px;
            text-align: center;
            margin-bottom: 40px;
        }
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }
        .hero-content h2 {
            font-size: 36px;
            margin-bottom: 20px;
        }
        .hero-content p {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 16px;
        }
        .search-form button {
            padding: 15px 25px;
            background-color: #003366;
            color: #fff;
            border: none;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background-color 0.3s;
            font-size: 16px;
        }
        .search-form button:hover {
            background-color: #002244;
        }
        
        /* Секция преимуществ */
        .features-section {
            padding: 60px 0;
            background-color: #fff;
            margin-bottom: 40px;
        }
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            color: #003366;
            font-size: 30px;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .feature-card {
            text-align: center;
            padding: 30px 20px;
            border-radius: 5px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-10px);
        }
        .feature-icon {
            font-size: 40px;
            margin-bottom: 20px;
            color: #003366;
        }
        .feature-card h3 {
            margin-bottom: 15px;
            color: #003366;
        }
        
        /* Секция новых поступлений */
        .new-parts-section {
            padding: 60px 0;
            background-color: #f9f9f9;
            margin-bottom: 40px;
        }
        .parts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .part-card {
            background-color: #fff;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .part-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .part-image {
            height: 200px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #f1f1f1;
        }
        .part-image img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        .part-details {
            padding: 15px;
        }
        .part-details h3 {
            margin-top: 0;
            margin-bottom: 10px;
            color: #003366;
            font-size: 18px;
            height: 52px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .part-info {
            margin-bottom: 5px;
            font-size: 14px;
            color: #666;
        }
        .part-info strong {
            color: #555;
        }
        .part-price {
            font-weight: bold;
            font-size: 18px;
            color: #003366;
            margin: 10px 0;
        }
        .view-button {
            display: inline-block;
            background-color: #003366;
            color: #fff;
            text-decoration: none;
            padding: 8px 12px;
            border-radius: 4px;
            margin-top: 10px;
            transition: background-color 0.3s;
            text-align: center;
            width: 100%;
        }
        .view-button:hover {
            background-color: #002244;
        }
        .view-all-link {
            display: block;
            text-align: center;
            margin-top: 40px;
        }
        .view-all-link a {
            display: inline-block;
            background-color: #003366;
            color: #fff;
            text-decoration: none;
            padding: 10px 20px;
            border-radius: 4px;
            transition: background-color 0.3s;
        }
        .view-all-link a:hover {
            background-color: #002244;
        }
        
        /* Секция брендов */
        .brands-section {
            padding: 60px 0;
            background-color: #fff;
            margin-bottom: 40px;
        }
        .brands-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 30px;
        }
        .brand-card {
            background-color: #f9f9f9;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
            padding: 20px;
            text-align: center;
            height: 150px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
            overflow: hidden;
            text-decoration: none;
        }
        .brand-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .brand-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0,51,102,0.1) 0%, rgba(0,51,102,0.3) 100%);
            opacity: 0;
            transition: opacity 0.3s;
        }
        .brand-card:hover::before {
            opacity: 1;
        }
        .brand-card img {
            max-width: 80%;
            max-height: 80px;
            margin-bottom: 15px;
        }
        .brand-card h3 {
            font-size: 16px;
            color: #003366;
        }
        
        /* Секция с формой заказа */
        .order-section {
            padding: 60px 0;
            background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('/images/tracktor.jpg');
            background-size: cover;
            background-position: center;
            color: #fff;
            margin-bottom: 40px;
        }
        .order-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }
        .order-text {
            flex: 1;
            min-width: 300px;
        }
        .order-text h2 {
            font-size: 32px;
            margin-bottom: 20px;
        }
        .order-text p {
            font-size: 16px;
            margin-bottom: 20px;
            opacity: 0.9;
            line-height: 1.8;
        }
        .order-form-container {
            flex: 1;
            min-width: 300px;
        }
        .order-form {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 30px;
            border-radius: 5px;
            backdrop-filter: blur(10px);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 16px;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .form-submit {
            background-color: #003366;
            color: #fff;
            border: none;
            padding: 12px 20px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s;
            width: 100%;
        }
        .form-submit:hover {
            background-color: #002244;
        }
        
        /* Подвал */
        .footer {
            background-color: #002244;
            color: #fff;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-column {
            flex: 1;
            min-width: 200px;
        }
        .footer-column h3 {
            margin-bottom: 20px;
            font-size: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-column h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background-color: #003366;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
        }
        .footer-column li {
            margin-bottom: 10px;
        }
        .footer-column a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-column a:hover {
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: #aaa;
        }
        
        /* Кнопка скролла наверх */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: #003366;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s;
            z-index: 1000;
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background-color: #002244;
        }
        
        /* Стили для успешного отправления формы */
        .success-message {
            display: none;
            background-color: rgba(0, 128, 0, 0.2);
            color: #fff;
            padding: 15px;
            border-radius: 4px;
            margin-bottom: 20px;
            text-align: center;
        }
        
        /* Анимация для элементов */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }
        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Адаптивность для мобильных устройств */
        @media (max-width: 768px) {
            .nav-container {
                justify-content: flex-start;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #002244;
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .burger-menu {
                display: flex;
            }
            .hero-content h2 {
                font-size: 28px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                border-radius: 4px 4px 0 0;
            }
            .search-form button {
                border-radius: 0 0 4px 4px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .parts-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
            .brands-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            }
            .order-container {
                flex-direction: column;
            }