You can incorporate a custom font in CSS using a web font service or by embedding custom font files using the @font-face rule.If you have a custom font file, like .woff, .woff2, or .ttf, you can embed it directly in your project using the @font-face rule.Custom fonts give you creative control and allow you to establish a unique brand identity.Selecting the right font can enhance the design, readability, and user experience of your project.