Intro Text and Instructions

[Diane-Ring]

User story
As a player, I want to read simple intro instructions so I understand how to play the quiz.

Accessibility Criteria:

• Clear, simple language with short sentences

• High-contrast text on calm background

• Screen reader accessible with semantic HTML

Tasks:

• Add intro section with <h1> and <p>

• Use ARIA landmarks <main>, <section>

• Style with large font (18px+) and accessible contrast