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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
            
        }

        nav {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #e9ecef;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: #000;
            text-decoration: none;
            
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
        }

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

        .nav-menu li a:hover {
            color: #8FFF00;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            text-align: center;
            margin-bottom: 40px;
            background: rgba(255, 255, 255, 0.95);
            padding: 40px;
            border-radius: 15px;
            backdrop-filter: blur(10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        h1 {
            font-size: 2.5rem;
            font-weight: bold;
            color: #000;
            margin-bottom: 10px;
            
        }

        .subtitle {
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 20px;
        }

        .tool-section {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            margin-bottom: 40px;
        }

        .input-group {
            margin-bottom: 25px;
        }

        label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            color: #333;
        }

        input[type="text"], select {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        .slider {
            width: 100%;
            height: 8px;
            border-radius: 5px;
            background: #ddd;
            outline: none;
            -webkit-appearance: none;
            margin-bottom: 5px;
        }

        .slider::-webkit-slider-thumb {
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #8FFF00;
            cursor: pointer;
            border: 2px solid #fff;
            box-shadow: 0 2px 6px rgba(0,0,0,0.2);
        }

        .slider::-moz-range-thumb {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #8FFF00;
            cursor: pointer;
            border: 2px solid #fff;
            box-shadow: 0 2px 6px rgba(0,0,0,0.2);
        }

        .slider-value {
            display: block;
            font-size: 14px;
            color: #666;
            text-align: center;
            margin-top: 5px;
        }

        .color-picker-group {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .color-picker-group input[type="color"] {
            width: 60px;
            height: 50px;
            border: 2px solid #ddd;
            border-radius: 8px;
            cursor: pointer;
            background: none;
            padding: 0;
        }

        .color-picker-group input[type="text"] {
            flex: 1;
            text-transform: uppercase;
        }

        input[type="text"]:focus, select:focus {
            outline: none;
            border-color: #8FFF00;
            box-shadow: 0 0 0 3px rgba(143, 255, 0, 0.1);
        }

        .canvas-container {
            text-align: center;
            margin: 30px 0;
            position: relative;
        }

        #bratCanvas {
            border: 2px solid #ddd;
            max-width: 100%;
            height: auto;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }

        .controls {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .button-group {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            justify-content: center;
        }

        button {
            background: #8FFF00;
            color: #000;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            
        }

        button:hover {
            background: #65FF00;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(143, 255, 0, 0.3);
        }

        .download-btn {
            background: #000;
            color: #8FFF00;
        }

        .download-btn:hover {
            background: #333;
        }

        .features {
            background: rgba(255, 255, 255, 0.95);
            padding: 40px;
            border-radius: 15px;
            margin-bottom: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .features h2 {
            text-align: center;
            margin-bottom: 30px;
            color: #000;
            
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }

        .feature-card {
            text-align: center;
            padding: 20px;
        }

        .feature-card h3 {
            margin-bottom: 15px;
            color: #000;
        }

        .FAQ {
            background: white;
            padding: 40px;
            border-radius: 15px;
            margin-bottom: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        footer {
            background: #333;
            color: white;
            padding: 50px 0 30px;
            margin-top: 60px;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .footer-section h3 {
            margin-bottom: 20px;
            color: #8FFF00;
            
        }

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

        .footer-section ul li {
            margin-bottom: 10px;
        }

        .footer-section ul li a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-section ul li a:hover {
            color: #8FFF00;
        }

        .footer-section p {
            color: #ccc;
            line-height: 1.6;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid #555;
            color: #999;
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: #8FFF00;
            color: #000;
            text-align: center;
            line-height: 40px;
            border-radius: 50%;
            transition: transform 0.3s;
        }

        .social-links a:hover {
            transform: scale(1.1);
        }

        .FAQ h2 {
            margin-bottom: 30px;
            text-align: center;
            color: #000;
            
        }

        .FAQ-item {
            margin-bottom: 25px;
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
        }

        .FAQ-question {
            font-weight: 600;
            margin-bottom: 10px;
            color: #000;
        }

        .FAQ-answer {
            color: #666;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .tool-section, .features, .FAQ {
                padding: 25px;
            }
            
            .controls {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            
            .button-group {
                flex-direction: column;
            }
            
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(10px);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            }
            
            .nav-menu.active {
                display: flex;
            }
            
            .mobile-menu-toggle {
                display: block;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .social-links {
                justify-content: center;
            }
        }