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<!DOCTYPE html>
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            <h1 class="text-4xl md:text-5xl font-bold text-gray-800 mb-4">About SketchMaster Pro</h1>
            <p class="text-xl text-gray-600 max-w-2xl mx-auto">Transforming ordinary photos into extraordinary hand-drawn sketches with advanced image processing techniques.</p>
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            <h2 class="text-2xl font-bold text-gray-800 mb-8 text-center">Key Features</h2>
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                    <h3 class="text-xl font-semibold text-gray-800 mb-2">Multiple Edge Detection</h3>
                    <p class="text-gray-600">Choose between Canny, Sobel, or Laplace edge detection algorithms to achieve different artistic effects.</p>
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                    <p class="text-gray-600">Fine-tune every aspect of your sketch with precise control over blur, thresholds, line thickness, and more.</p>
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                            <h3 class="text-lg font-semibold text-gray-800 mb-2">Upload Your Image</h3>
                            <p class="text-gray-600">Drag and drop or select an image file from your device. We support JPG, PNG, and other common formats.</p>
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                            <p class="text-gray-600">Customize the sketch effect using our intuitive controls for edge detection, thresholds, line styles, and hatching.</p>
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                            <h3 class="text-lg font-semibold text-gray-800 mb-2">Generate & Download</h3>
                            <p class="text-gray-600">Process your image instantly and download the high-quality sketch result with a single click.</p>
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