       * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            color: #333333;
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
 
        h3 {
            font-family: 'Oswald', sans-serif;
            color: #285f8c;
            margin: 30px 0 20px;
            font-size: 28px;
        }

        /* Header Styles */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            font-family: 'Oswald', sans-serif;
            font-weight: 700;
            font-size: 28px;
            border: 3px solid #e03318;
            border-radius: 15px;
            padding: 3px 5px;
        }

        .logo-part1 {
            color: #285f8c;
        }

        .logo-part2 {
            color: #e03318;
        }

        .logo-star {
            color: #e03318;
            font-size: 16px;
            vertical-align: text-top;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            text-decoration: none;
            color: #285f8c;
            font-weight: 600;
            font-size: 16px;
            transition: color 0.3s ease;
        }

        nav a:hover {
            color: #e03318;
        }

           /* Hero Section */
        .hero {
            background-image: url('pic/hero.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 100px 0;
            text-align: center;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.3);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-family: 'Oswald', sans-serif;
            font-size: 48px;
            margin-bottom: 20px;
            color: #285f8c;
        }

        h4 {
            font-family: 'Open Sans', sans-serif;
            text-align: center;
            font-size: 24px;
            margin-top: 20px;
            margin-bottom: 20px;
            color: #e03318;

        }

        /* Sections */
        .sections {
            display: flex;
            justify-content: center;
            gap: 40px;
            padding: 30px 0;
            background-color: white;
        }

        .section-link {
            text-decoration: none;
            color: #333333;
            font-weight: 600;
            font-size: 18px;
            padding: 10px 20px;
            border-radius: 25px;
            transition: all 0.3s ease;
        }

        .section-link:hover {
            background-color: #285f8c;
            color: white;
        }

        /* Intro Text */
        .intro-text {
            text-align: center;
            padding: 40px 0;
            max-width: 1200px;
            margin: 0 auto;
            font-size: 18px;
        }

        .photo-container {
            text-align: center;
            margin: 30px 0;
        }

        .photo {
            width: 100%;
            max-width: 500px;
            /* height: 300px; */
            background-color: #c4f9ff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            overflow: hidden;
            margin: 0 auto;
        }

        .intro-text ul {
            list-style: none;
        }

        .intro-text ol {
            list-style-position: inside;
            /*text-align: left;*/
        }

        /* Masterclasses Grid */
        .masterclasses {
            padding: 40px 0;
        }

        .section-title {
            font-family: 'Oswald', sans-serif;
            font-size: 36px;
            text-align: center;
            margin-bottom: 40px;
            color: #285f8c;
        }

        .masterclasses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }

        .masterclass-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .masterclass-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }

        .card-image {
            width: 100%;
            height: 200px;
            background-color: #c4f9ff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #666;
        }

        .card-content {
            padding: 20px;
        }

        .card-title {
            font-family: 'Oswald', sans-serif;
            font-size: 20px;
            margin-bottom: 10px;
            color: #285f8c;
        }

        .card-description {
            font-size: 14px;
            margin-bottom: 15px;
            color: #666;
        }

        .card-link {
            display: inline-block;
            background-color: #e03318;
            color: white;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }

        .card-link:hover {
            background-color: #c02a14;
        }

               /* Holidays Section */
        .holidays {
            background-color: #ffe6d8;
            padding: 60px 0;
            border-radius: 20px;
            margin: 40px 0;
        }

        .section-title {
            font-family: 'Oswald', sans-serif;
            font-size: 36px;
            text-align: center;
            margin-bottom: 40px;
            color: #285f8c;
        }
        
        .holidays p {
            text-align: center;
        }

        .holidays-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .holiday-item {
            background: white;
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }

        .holiday-item:hover {
            transform: translateY(-3px);
        }

        .holiday-item h3 {
            font-family: 'Oswald', sans-serif;
            color: #e03318;
            margin-bottom: 10px;
        }

        /* Details Button */
        .details-button {
            display: inline-block;
            background-color: #285f8c;
            color: white;
            text-decoration: none;
            padding: 10px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            margin-top: 15px;
        }

        .details-button:hover {
            background-color: #e03318;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }


               /* Contacts Section */
        .contacts {
            padding: 60px 0;
            text-align: center;
        }

        .contacts-content {
            max-width: 600px;
            margin: 0 auto;
        }

        .contacts h2 {
            font-family: 'Oswald', sans-serif;
            font-size: 36px;
            margin-bottom: 20px;
            color: #285f8c;
        }


        .contact-info {
            font-size: 18px;
            margin-bottom: 30px;
        }

        .contact-info p {
            margin-bottom: 10px;
        }

        .contact-link {
            color: #285f8c;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }

        .contact-link:hover {
            color: #e03318;
            text-decoration: underline;
        }

        /* Social Buttons */
        .social-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
        }

        .social-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            text-decoration: none;
            font-weight: 600;
            font-size: 24px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }

        .social-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0,0,0,0.3);
        }

        .vk-button {
            background-color: #4a76a8;
            color: white;
        }

        .tg-button {
            background-color: #2aabee;
            color: white;
        }


        /* Footer */
        footer {
            background-color: #c4f9ff;
            padding: 40px 0;
            text-align: center;
        }

        .footer-content {
            max-width: 600px;
            margin: 0 auto;
        }

        .footer-logo {
            font-family: 'Oswald', sans-serif;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .footer-logo-part1 {
            color: #285f8c;
        }

        .footer-logo-part2 {
            color: #e03318;
        }

        .copyright {
            font-size: 14px;
            color: #666;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 20px;
            }

            nav ul {
                gap: 15px;
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero p {
                font-size: 16px;
            }

            .sections {
                flex-wrap: wrap;
                gap: 15px;
            }

            .masterclasses-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 20px;
            }

            .section-title {
                font-size: 28px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }

            .logo {
                font-size: 22px;
                padding: 8px 15px;
            }

            nav ul {
                gap: 10px;
                font-size: 14px;
            }

            .hero {
                padding: 40px 0;
            }

            .hero h1 {
                font-size: 28px;
            }

            .sections {
                gap: 10px;
            }

            .section-link {
                font-size: 14px;
                padding: 8px 15px;
            }

            .masterclasses-grid {
                grid-template-columns: 1fr;
            }

            .holidays-grid {
                grid-template-columns: 1fr;
            }

             .social-buttons {
                gap: 15px;
            }

            .social-button {
                width: 50px;
                height: 50px;
                font-size: 20px;
            }

             .holidays-grid {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 28px;
            }              
        }