            align-items: center;
            gap: 10px;
        }

        .demo-section h2::before {
            content: "üöÄ";
            font-size: 1.2em;
        }

        .controls {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .btn {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: