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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .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 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,0 1000,300 1000,1000 0,700"/></svg>');
            animation: float 20s ease-in-out infinite;
        }

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

        .hero-content {
            text-align: center;
            color: white;
            z-index: 2;
            position: relative;
            padding: 20px;
            max-width: 1200px;
        }

        .hero h1 {
            font-size: 4rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            animation: slideInUp 1s ease-out;
        }

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

        .hero p {
            font-size: 1.5rem;
            margin-bottom: 40px;
            opacity: 0.9;
            animation: slideInUp 1s ease-out 0.3s both;
        }

        .cta-button {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 15px 40px;
            font-size: 1.2rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            backdrop-filter: blur(10px);
            animation: slideInUp 1s ease-out 0.6s both;
        }

        .cta-button:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        /* Tools Section */
        .tools-section {
            padding: 100px 20px;
            background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
            position: relative;
        }

        .tools-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            clip-path: polygon(0 0, 100% 0, 100% 50%, 0 100%);
        }

        .section-title {
            text-align: center;
            font-size: 3rem;
            margin-bottom: 20px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            z-index: 2;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.3rem;
            color: #666;
            margin-bottom: 60px;
            position: relative;
            z-index: 2;
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .tool-card {
            background: rgba(255, 255, 255, 0.9);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
            cursor: pointer;
        }

        .tool-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transition: left 0.6s ease;
        }

        .tool-card:hover::before {
            left: 100%;
        }

        .tool-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 30px 80px rgba(102, 126, 234, 0.3);
        }

        .tool-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }

        .tool-card h3 {
            font-size: 2rem;
            margin-bottom: 15px;
            color: #333;
        }

        .tool-card p {
            font-size: 1.1rem;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .tool-button {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 25px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .tool-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
        }

        /* Learning Section */
        .learning-section {
            padding: 100px 20px;
            background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
            color: white;
            position: relative;
        }

        .learning-section::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 1000 1000"><circle fill="rgba(255,255,255,0.05)" cx="200" cy="200" r="100"/><circle fill="rgba(255,255,255,0.05)" cx="800" cy="800" r="150"/><circle fill="rgba(255,255,255,0.05)" cx="900" cy="200" r="80"/></svg>');
            animation: rotate 30s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .learning-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
        }

        .learning-section .section-title {
            color: white;
            background: linear-gradient(45deg, #ffd700, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .learning-section .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        .learning-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .learning-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .learning-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, rgba(255, 215, 0, 0.1), rgba(255, 107, 107, 0.1));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .learning-card:hover::before {
            opacity: 1;
        }

        .learning-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(255, 215, 0, 0.2);
        }

        .learning-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            background: linear-gradient(45deg, #ffd700, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .learning-card h4 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: white;
        }

        .learning-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            line-height: 1.6;
        }

        /* Footer */
        .footer {
            background: #1a202c;
            color: white;
            padding: 60px 20px 20px;
            text-align: center;
        }

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

        .footer-brand {
            font-size: 2rem;
            margin-bottom: 20px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.2rem;
            }

            .section-title {
                font-size: 2.5rem;
            }

            .tools-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .tool-card {
                padding: 30px 20px;
            }

            .learning-grid {
                grid-template-columns: 1fr;
            }

            .footer-links {
                flex-direction: column;
                gap: 15px;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

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

            .tool-card {
                padding: 25px 15px;
            }

            .learning-card {
                padding: 25px 15px;
            }
        }

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

        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }