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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: #1a1a1a;
            overflow-x: hidden;
        }

        /* Animated gradient background */
        .hero-bg {
            background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
            background-size: 400% 400%;
            animation: gradient 15s ease infinite;
        }

        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            transition: all 0.3s ease;background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
            background-size: 400% 400%;
            animation: gradient 15s ease infinite;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #667eea;
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: #667eea;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            position: relative;
            padding: 0 5%;
        }

        .hero-content {
            max-width: 800px;
            z-index: 2;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            margin-bottom: 1rem;
            opacity: 0;
            animation: fadeInUp 1s ease 0.2s forwards;
        }

        .hero p {
            font-size: clamp(1.1rem, 2vw, 1.3rem);
            margin-bottom: 2rem;
            opacity: 0;
            animation: fadeInUp 1s ease 0.4s forwards;
        }

        .cta-button {
            background: white;
            color: #667eea;
            padding: 1rem 2rem;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0;
            animation: fadeInUp 1s ease 0.6s forwards;
            text-decoration: none;
            display: inline-block;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }

        /* Floating math symbols */
        .math-symbol {
            position: absolute;
            font-size: 3rem;
            opacity: 0.7;
            animation: float 6s ease-in-out infinite;
            color: rgba(255, 255, 255, 0.7);
        }

        .math-symbol:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; opacity: 0.7;color: rgba(255, 255, 255, 0.7);}
        .math-symbol:nth-child(2) { top: 60%; right: 15%; animation-delay: 2s;opacity: 0.7;color: rgba(255, 255, 255, 0.7); }
        .math-symbol:nth-child(3) { bottom: 30%; left: 20%; animation-delay: 4s;opacity: 0.7;color: rgba(255, 255, 255, 0.7); }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Features Section */
        .features {
            padding: 5rem 5%;
            background: #f8faff;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 3rem;
            color: #333;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            background: white;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid rgba(102, 126, 234, 0.1);
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 2rem;
            color: white;
        }

        .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #333;
        }

        .feature-card p {
            color: #666;
            line-height: 1.6;
        }

        /* Subjects Section */
        .subjects {
            padding: 5rem 5%;
            background: white;
        }

        .subjects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .subject-card {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 2.5rem;
            border-radius: 20px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .subject-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            transition: all 0.3s ease;
        }

        .subject-card:hover::before {
            transform: scale(1.5);
        }

        .subject-card:hover {
            transform: scale(1.05);
        }

        .subject-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .subject-card p {
            opacity: 0.9;
            line-height: 1.6;
        }

        /* Stats Section */
        .stats {
            padding: 4rem 5%;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            text-align: center;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .stat-item {
            padding: 1rem;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            display: block;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        /* Footer */
        footer {
            background: #1a1a1a;
            color: white;
            text-align: center;
            padding: 3rem 5%;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #667eea;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .hero {
                padding: 0 1rem;
            }
            
            .features, .subjects, .stats {
                padding: 3rem 1rem;
            }
        }

        /* Scroll animations */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: #1a1a1a;
            overflow-x: hidden;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            transition: all 0.3s ease;
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #667eea;
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #667eea;
        }

        /* Hero Section */
        .page-hero {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 8rem 5% 4rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><text y="50" font-size="20" fill="rgba(255,255,255,0.05)">∑∫π√∞αβγ</text></svg>') repeat;
            animation: float 20s linear infinite;
        }

        @keyframes float {
            0% { transform: translateX(0) translateY(0); }
            100% { transform: translateX(-100px) translateY(-100px); }
        }

        .page-hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .page-hero h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 800;
            margin-bottom: 1rem;
            opacity: 0;
            animation: fadeInUp 1s ease 0.2s forwards;
        }

        .page-hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            opacity: 0;
            animation: fadeInUp 1s ease 0.4s forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Main Content */
        .main-content {
            padding: 5rem 5%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .content-section {
            margin-bottom: 4rem;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .content-section.animated {
            opacity: 1;
            transform: translateY(0);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #333;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 2px;
        }

        .content-text {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #555;
            margin-bottom: 2rem;
        }

        /* Story Cards */
        .story-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }

        .story-card {
            background: white;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            border: 1px solid rgba(102, 126, 234, 0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .story-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(135deg, #667eea, #764ba2);
        }

        .story-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(102, 126, 234, 0.15);
        }

        .story-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            color: white;
        }

        .story-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #333;
        }

        .story-card p {
            color: #666;
            line-height: 1.6;
        }

        /* Team Section */
        .team-section {
            background: #f8faff;
            padding: 4rem 5%;
            margin: 4rem -5%;
            border-radius: 30px;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .team-member {
            text-align: center;
            padding: 2rem;
            background: white;
            border-radius: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }

        .team-member:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(102, 126, 234, 0.15);
        }

        .team-avatar {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 2rem;
            color: white;
        }

        .team-member h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #333;
        }

        .team-member p {
            color: #666;
            font-size: 0.9rem;
        }

        /* Mission Vision Cards */
        .mission-vision {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }

        .mission-card {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 2.5rem;
            border-radius: 20px;
            position: relative;
            overflow: hidden;
        }

        .mission-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
        }

        .mission-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .mission-card p {
            opacity: 0.9;
            line-height: 1.7;
        }

        /* Stats Section */
        .about-stats {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 4rem 5%;
            margin: 4rem -5%;
            border-radius: 30px;
            text-align: center;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 2rem;
            max-width: 600px;
            margin: 2rem auto 0;
        }

        .stat-item {
            padding: 1rem;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            display: block;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }

        /* Contact CTA */
        .contact-cta {
            background: #f8faff;
            padding: 3rem;
            border-radius: 20px;
            text-align: center;
            margin-top: 4rem;
        }

        .contact-cta h3 {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #333;
        }

        .contact-cta p {
            color: #666;
            margin-bottom: 2rem;
        }

        .cta-button {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 1rem 2rem;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
        }

        /* Footer */
        footer {
            background: #1a1a1a;
            color: white;
            text-align: center;
            padding: 3rem 5%;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #667eea;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .page-hero, .main-content {
                padding: 6rem 1rem 2rem;
            }
            
            .team-section, .about-stats {
                margin: 2rem -1rem;
                padding: 3rem 1rem;
            }
            
            .mission-vision {
                grid-template-columns: 1fr;
            }
        }
         button {
            padding: 12px 25px;
            font-size: 18px;
            background-color: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.1s ease;
        }

        button:hover {
            background-color: #45a049;
            transform: translateY(-2px);
        }

         button:active {
            transform: translateY(0);
         }

        /* Стили для всплывающего сообщения */
        .popup-message {
            display: none; /* Скрыто по умолчанию */
            position: fixed; /* Фиксированное положение */
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%); /* Центрирование */
            background-color: #ffeb3b; /* Желтый фон */
            color: #333; /* Темный текст */
            padding: 30px 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            font-size: 24px;
            font-weight: bold;
            text-align: center;
            z-index: 1000; /* Поверх других элементов */
            opacity: 0; /* Начальная прозрачность для анимации */
            transition: opacity 0.4s ease-out; /* Анимация появления */
        }

        .popup-message.show {
            display: block; /* Показываем элемент */
            opacity: 1; /* Делаем полностью видимым */
        }
#show-message-btn {background: linear-gradient(135deg, #667eea, #764ba2);}
.latest-articles .section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        

        .articles-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
            color: white;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }

        .section-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            font-weight: 300;
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .article-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
            opacity: 0;
            transform: translateY(30px);
        }

        .article-card.loaded {
            opacity: 1;
            transform: translateY(0);
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .article-card:hover::before {
            transform: scaleX(1);
        }

        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px rgba(0,0,0,0.2);
        }

        .article-category {
            display: inline-block;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .article-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: #2d3748;
            margin-bottom: 12px;
            line-height: 1.4;
            transition: color 0.3s ease;
        }

        .article-card:hover .article-title {
            color: #667eea;
        }

        .article-excerpt {
            color: #4a5568;
            line-height: 1.6;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 15px;
            border-top: 1px solid #e2e8f0;
        }

        .article-date {
            color: #718096;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .read-more {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 10px 20px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .read-more:hover {
            background: linear-gradient(135deg, #5a67d8, #6b46c1);
            transform: translateX(5px);
        }

        .view-all-btn {
            display: block;
            width: fit-content;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 15px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .view-all-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }

        .icon {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }

        .loading {
            text-align: center;
            color: white;
            font-size: 1.2rem;
            padding: 40px;
        }

        .spinner {
            width: 40px;
            height: 40px;
            border: 4px solid rgba(255,255,255,0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
            margin: 0 auto 20px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .error {
            text-align: center;
            color: #ff6b6b;
            background: rgba(255,255,255,0.1);
            padding: 30px;
            border-radius: 15px;
            margin: 20px 0;
            backdrop-filter: blur(10px);
        }

        .no-articles {
            text-align: center;
            color: white;
            background: rgba(255,255,255,0.1);
            padding: 50px 30px;
            border-radius: 20px;
            margin: 20px 0;
            backdrop-filter: blur(10px);
        }

        .no-articles-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            opacity: 0.8;
        }

        .no-articles h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .no-articles p {
            font-size: 1.1rem;
            opacity: 0.9;
            line-height: 1.6;
        }

        .retry-btn {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 15px;
            transition: all 0.3s ease;
        }

        .retry-btn:hover {
            background: linear-gradient(135deg, #5a67d8, #6b46c1);
            transform: translateY(-2px);
        }

        /* Адаптивность */
        @media (max-width: 768px) {
            .articles-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .section-title {
                font-size: 2rem;
            }

            .article-card {
                padding: 20px;
            }

            .article-meta {
                flex-direction: column;
                gap: 15px;
                align-items: flex-start;
            }
        }
           

        .container {
            max-width: 1000px;
            margin: 0 auto;
        }

        h1 {
            text-align: center;
            color: white;
            font-size: 2.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            margin-bottom: 30px;
        }

        .score {
            text-align: center;
            background: white;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 30px;
            font-size: 1.5rem;
            font-weight: bold;
            color: #333;
        }

        .games {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .game {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        .game h2 {
            color: #333;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

        .question {
            font-size: 1.3rem;
            margin: 15px 0;
            text-align: center;
            color: #555;
        }

        input {
            width: 80px;
            height: 40px;
            font-size: 1.2rem;
            text-align: center;
            border: 2px solid #ddd;
            border-radius: 5px;
            margin: 10px 5px;
        }

        button {
            background: #4CAF50;
            color: white;
            border: none;
            padding: 10px 20px;
            font-size: 1.1rem;
            border-radius: 5px;
            cursor: pointer;
            margin: 5px;
        }

        button:hover {
            background: #45a049;
        }

        .result {
            margin-top: 15px;
            padding: 10px;
            border-radius: 5px;
            text-align: center;
            font-weight: bold;
            min-height: 20px;
        }

        .correct {
            background: #d4edda;
            color: #155724;
        }

        .incorrect {
            background: #f8d7da;
            color: #721c24;
        }

        .center {
            text-align: center;
        }

        .fruits {
            font-size: 1.8rem;
            text-align: center;
            margin: 15px 0;
            letter-spacing: 3px;
        }

        .shapes {
            font-size: 1.8rem;
            text-align: center;
            margin: 15px 0;
            letter-spacing: 3px;
        }

        .word-problem {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
            line-height: 1.4;
        }