# Requirements Document

## Introduction

This feature aims to enhance the user experience of the Nuxt application by implementing smooth page transitions, component animations, and loading states following Nuxt best practices. The current implementation lacks visual feedback during navigation and state changes, resulting in an abrupt and less engaging user experience.

## Glossary

- **Application**: The Nuxt-based web application
- **Page Transition**: Visual animation that occurs when navigating between routes
- **Layout Transition**: Visual animation when switching between different layouts
- **Loading State**: Visual feedback shown during asynchronous operations
- **View Transition API**: Browser native API for smooth transitions between DOM states
- **Nuxt Transition**: Built-in Nuxt feature for handling page and layout transitions

## Requirements

### Requirement 1

**User Story:** As a user, I want to see smooth transitions when navigating between pages, so that the experience feels polished and professional

#### Acceptance Criteria

1. WHEN a user navigates to a different route, THE Application SHALL display a fade transition with appropriate timing
2. WHEN a page transition occurs, THE Application SHALL prevent layout shift during the animation
3. WHEN navigating between blog posts, THE Application SHALL apply consistent transition effects
4. THE Application SHALL complete page transitions within 300 milliseconds to maintain responsiveness

### Requirement 2

**User Story:** As a user, I want to see visual feedback during content loading, so that I know the application is responding to my actions

#### Acceptance Criteria

1. WHEN content is being fetched asynchronously, THE Application SHALL display a loading indicator
2. WHEN navigation occurs, THE Application SHALL show a progress bar at the top of the viewport
3. IF a page load exceeds 500 milliseconds, THEN THE Application SHALL display the loading indicator
4. WHEN loading completes, THE Application SHALL smoothly fade out the loading indicator

### Requirement 3

**User Story:** As a user, I want smooth animations when components appear or disappear, so that the interface feels responsive and intentional

#### Acceptance Criteria

1. WHEN a modal or overlay opens, THE Application SHALL animate its entrance with fade and scale effects
2. WHEN list items are rendered, THE Application SHALL stagger their appearance for visual interest
3. WHEN interactive elements receive focus or hover, THE Application SHALL provide smooth visual feedback
4. THE Application SHALL use CSS transforms for animations to ensure hardware acceleration

### Requirement 4

**User Story:** As a user, I want the language switcher to transition smoothly, so that changing languages feels seamless

#### Acceptance Criteria

1. WHEN the user switches language, THE Application SHALL maintain scroll position during the transition
2. WHEN language changes, THE Application SHALL apply a crossfade transition to content
3. THE Application SHALL preserve the current route path when switching languages
4. WHEN language transition occurs, THE Application SHALL complete within 400 milliseconds

### Requirement 5

**User Story:** As a developer, I want to use Nuxt best practices for transitions, so that the implementation is maintainable and performant

#### Acceptance Criteria

1. THE Application SHALL use Nuxt's built-in transition system for page transitions
2. THE Application SHALL leverage Vue's Transition component for component-level animations
3. THE Application SHALL use CSS-based animations rather than JavaScript animations where possible
4. THE Application SHALL implement transitions that respect user's reduced motion preferences
5. WHERE the browser supports View Transition API, THE Application SHALL utilize it for enhanced transitions
