@font-face {
            font-family: 'Rubik';
            src: url('https://fonts.googleapis.com/css2?family=Rubik&display=swap');
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Rubik', sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Шапка сайта */
        header {
            background: linear-gradient(135deg, #001f56, #4f4796);
            color: white;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            font-size: 54px;
            font-weight: bold;
            margin-left: 10px;
            background: linear-gradient(135deg, #40bfef, white);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 20px;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: #40bfef;
        }
        
        /* Герой-секция */
        .hero {
            background: linear-gradient(rgba(0, 31, 86, 0.8), rgba(79, 71, 150, 0.8)), url('pic/top_fon.png');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 20px;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        
        .btn {
            display: inline-block;
            background: #40bfef;
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background: #001f56;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        /* О школе */
        .about {
            padding: 80px 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            color: #40bfef;
            font-size: 36px;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h3 {
            color: #4f4796;
            margin-bottom: 20px;
            font-size: 24px;
        }
        
        .about-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* Направления */
        .courses {
            padding: 80px 0;
            background-color: #f8f9fa;
        }
        
        .course-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .course-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
        }
        
        .course-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .course-image {
            height: 200px;
            overflow: hidden;
        }
        
        .course-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .course-card:hover .course-image img {
            transform: scale(1.1);
        }
        
        .course-info {
            padding: 20px;
        }
        
        .course-info h3 {
            color: #001f56;
            margin-bottom: 10px;
        }
        
        .course-info p {
            color: #666;
            margin-bottom: 15px;
        }
        
        .course-meta {
            display: flex;
            justify-content: space-between;
            color: #4f4796;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        /* Лаборатория */
        .lab {
            padding: 80px 0;
            background: linear-gradient(135deg, #001f56, #4f4796);
            color: white;
        }
        
        .lab-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        
        .lab-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        
        .lab-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .lab-text {
            flex: 1;
        }
        
        .lab-text h3 {
            margin-bottom: 20px;
            font-size: 24px;
        }
        
        /* Контакты */
        .contacts {
            padding: 80px 0;
            background-color: white;
        }
        
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .contact-card {
            background-color: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s;
        }
        .contact-card a {         
            color: #000000; 
        }
        .contact-card:hover a {
            
            color: #ffffff; 
        }        
        .contact-card:hover {
            background-color: #001f56;
            color: white;
            transform: translateY(-5px);
        }
        
        .contact-card i {
            font-size: 40px;
            margin-bottom: 20px;
            color: #40bfef;
        }
        
        .contact-card:hover i {
            color: white;
        }
        
        .contact-card h3 {
            margin-bottom: 15px;
        }
        
        /* Подвал */
        footer {
            background-color: #001f56;
            color: white;
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            margin-bottom: 20px;
            color: #40bfef;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column ul li a:hover {
            color: #40bfef;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            color: white;
            font-size: 20px;
            transition: color 0.3s;
        }
        
        .social-links a:hover {
            color: #40bfef;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
        }
        
        /* Адаптивность */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            nav ul {
                margin-top: 20px;
                justify-content: center;
            }
            
            .about-content, .lab-content {
                flex-direction: column;
            }
            
            .hero h1 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
            
            .section-title {
                font-size: 30px;
            }
        }
        
        /* Стили для страниц направлений */
        .course-page {
            padding: 80px 0;
            background-color: white;
        }
        
        .course-header {
            background: linear-gradient(rgba(0, 31, 86, 0.8), rgba(79, 71, 150, 0.8)), url('pic/top_fon.png');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 50px;
        }
        .course-header h1 {
            font-size: 42px;
            margin-bottom: 20px;
        }
        .course-header_scratch {
            background: linear-gradient(rgba(0, 31, 86, 0.8), rgba(79, 71, 150, 0.8)), url('pic/scratch_top.png');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 50px;
        }
        .course-header_scratch h1 {
            font-size: 42px;
            margin-bottom: 20px;
        }

        
        
        .course-details {
            display: flex;
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .course-main {
            flex: 2;
        }
        
        .course-sidebar {
            flex: 1;
        }
        
        .course-sidebar-card {
            background-color: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        
        .course-sidebar-card h3 {
            color: #001f56;
            margin-bottom: 15px;
            font-size: 20px;
        }
        
        .price {
            font-size: 24px;
            color: #4f4796;
            font-weight: bold;
            margin: 15px 0;
        }
        
        .features-list {
            list-style: none;
            margin-bottom: 20px;
        }
        
        .features-list li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 25px;
        }
        
        .features-list li:before {
            content: "✓";
            color: #40bfef;
            position: absolute;
            left: 0;
            font-weight: bold;
        }
        
        @media (max-width: 768px) {
            .course-details {
                flex-direction: column;
            }
            
            .course-header h1 {
                font-size: 32px;
            }
            h2 {
                font-size: 28px;
            }
            
            h3 {
                font-size: 22px;
            }
        }

 /* Оглавление курса */
        .course-toc {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 20px;
            margin-bottom: 50px;
        }
        
        .toc-card {
            background-color: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }
        
        .toc-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .toc-card h3 {
            color: #001f56;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #40bfef;
        }
        
        .toc-card ul {
            list-style: none;
        }
        
        .toc-card li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 20px;
        }
        
        .toc-card li:before {
            content: "◈";
            color: #4f4796;
            position: absolute;
            left: 0;
        }
        
        .toc-card a {
            color: #001f56;
            text-decoration: none;
            transition: color 0.3s;
            font-weight: bolder;
        }
        
        .toc-card a:hover {
            color: #40bfef;
        }
        
        /* Боковая панель */
        .course-sidebar {
            background-color: #f0f2f5;
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        
        .course-sidebar h3 {
            color: #001f56;
            margin-bottom: 15px;
            font-size: 20px;
        }
        
        .price {
            font-size: 24px;
            color: #4f4796;
            font-weight: bold;
            margin: 15px 0;
        }
        
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #40bfef, #4f4796);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background: linear-gradient(135deg, #4f4796, #001f56);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(64, 191, 239, 0.3);
        }

             /* Кнопка вверх */   
           .to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #40bfef, #4f4796);
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 999;
            }

            .to-top.visible {
            opacity: 1;
            visibility: visible;
            }

            .to-top:hover {
            background: linear-gradient(135deg, #4f4796, #001f56);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(64, 191, 239, 0.4);
            }

            .to-top span {
            font-size: 24px;
            line-height: 1;
            }