Progressive Quiz Hub

Educational website with a strict guided flow:

Grade selection → Subject selection → Topic selection → Quiz

Features

• Grade picker from Year 2 to A Levels
• Subject and topic pickers for Maths, English, History, Geography, Science, and Technology
• Unique quiz set per grade for every subject/topic combination
• Difficulty progression by grade band: Year 2-4 easy, Year 5-6 medium, Year 7-11 difficult, A Levels very difficult
• Dynamic interface language switcher: English, Arabic, Spanish, French
• Subject wheel to randomly choose a subject at the subject-selection step
• Language switch affects navigation/UI labels and displayed subject/topic names
• Quiz engine with instant feedback, score tracking, final result panel, and reward unlock on perfect score
• Subject lock rule: once a subject is chosen, learners must finish all its topics before switching to a different subject
• Responsive layout for desktop and mobile

Project structure

• index.html — app shell with language selector and step-based UI
• assets/css/styles.css — responsive styles + RTL support for Arabic UI
• assets/js/questions.js — curriculum model and generated per-grade question bank
• assets/js/i18n.js — interface translations and localized labels
• assets/js/app.js — state management, rendering, i18n wiring, and quiz behavior

Run locally

Open index.html directly in a browser, or serve the folder with a static server.