    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        /* Header Styles */
        .header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav-link {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link:hover {
            color: #667eea;
            transform: translateY(-2px);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background: linear-gradient(45deg, #667eea, #764ba2);
            transition: width 0.3s ease;
        }

        .nav-link:hover::after {
            width: 100%;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .page-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 2rem 0;
            text-align: center;
        }
        
        .page-header h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }
        
        .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .tool-section {
            background: white;
            margin: 2rem 0;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .controls {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .control-group {
            display: flex;
            flex-direction: column;
        }
        
        label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        
        input, select, textarea {
            padding: 0.75rem;
            border: 2px solid #e1e5e9;
            border-radius: 5px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        
        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: #667eea;
        }
        
        textarea {
            height: 120px;
            resize: vertical;
            font-family: inherit;
        }
        
        .color-input {
            height: 50px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        
        .canvas-container {
            text-align: center;
            margin: 2rem 0;
        }
        
        #canvas {
            border: 2px solid #e1e5e9;
            border-radius: 5px;
            max-width: 100%;
            background: white;
        }
        
        .button-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 1rem;
        }
        
        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }
        
        .btn-secondary {
            background: #6c757d;
            color: white;
        }
        
        .btn-secondary:hover {
            background: #5a6268;
        }
        
        .content-section {
            margin: 3rem 0;
        }
        
        h2 {
            color: #333;
            margin-bottom: 1.5rem;
            font-size: 2rem;
            border-bottom: 3px solid #667eea;
            padding-bottom: 0.5rem;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        
        .feature-card {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        
        .feature-card h3 {
            color: #667eea;
            margin-bottom: 1rem;
        }
        
        .use-cases {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            margin: 2rem 0;
        }
        
        .use-cases ul {
            list-style: none;
            padding: 0;
        }
        
        .use-cases li {
            padding: 0.5rem 0;
            padding-left: 2rem;
            position: relative;
        }
        
        .use-cases li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #28a745;
            font-weight: bold;
        }
        
        .faq-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            margin: 2rem 0;
        }
        
        .faq-item {
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #e1e5e9;
            padding-bottom: 1rem;
        }
        
        .faq-question {
            font-weight: 600;
            color: #333;
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }
        
        .faq-answer {
            color: #666;
            line-height: 1.6;
        }

        /* Footer Styles */
        .footer {
            background: #2c3e50;
            color: white;
            padding: 3rem 0 1rem;
            margin-top: 2rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 3rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            color: #ecf0f1;
            font-size: 1.3rem;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section li {
            margin-bottom: 0.5rem;
        }

        .footer-section a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: #3498db;
        }

        .contact-info p {
            margin-bottom: 0.5rem;
            color: #bdc3c7;
        }

        .footer-bottom {
            border-top: 1px solid #34495e;
            margin-top: 2rem;
            padding-top: 1rem;
            text-align: center;
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-bottom a:hover {
            color: #3498db;
        }
        
        .home-btn {
            margin-top: 1rem;
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .page-header h1 {
                font-size: 2rem;
            }
            
            .controls {
                grid-template-columns: 1fr;
            }
            
            .button-group {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
            }
        }
    </style>
