This example visualizes student GPA versus time spent studying, using a smooth area chart with a red line and blue fill to emphasize the trend in the data. The visualization is built with React and D3 v5, employing `scaleLinear` for both axes, `line` and `area` generators with `curveBasis` for smooth paths, and SVG rendering. Axis labels are styled via CSS, and the data is loaded from an external CSV using `csv`, then parsed for GPA values.