Yes, you would need Node.js to use Sass (Syntactically Awesome Style Sheets) in your project. Sass is a CSS preprocessor that extends the functionality of CSS, allowing you to use variables, functions, and mixins to create more complex stylesheets.

Here is an example of how you could use Sass in a project:

1. Install Node.js and npm (Node Package Manager) on your computer if you don't already have them.

2. Create a new project directory and navigate to it in your terminal or command prompt.

3. Initialize a new npm project by running the following command:

```npm init```

4. Install the Sass package by running the following command:

```npm install sass```

5. Create a new Sass file, for example style.scss, in your project directory.

6. In your Sass file, you can write your styles using Sass syntax. For example:

```
$primary-color: blue;

body {
  background-color: $primary-color;
}```

7. Compile the Sass file into CSS by running the following command:

```npx sass style.scss style.css```

8. Link the CSS file to your HTML file by adding the following code to the head of your HTML file:

```<link rel="stylesheet" href="style.css">```

9. You can also use the --watch flag to have Sass automatically compile the file whenever you make changes to the Sass file:

```npx sass --watch style.scss:style.css```

This is a basic example of how you could use Sass in your project, but there are many more advanced features and techniques available. I hope this helps!
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