## MODIFIED Requirements

### Requirement: Modal/footer exposes minimal icon-based share actions
The system SHALL provide visible, accessible icon-only share actions for article permalinks.

#### Scenario: Light-theme icon visibility
- **WHEN** the site is in light mode
- **THEN** share icons remain visibly distinguishable with accessible contrast
- **AND** icon controls remain keyboard focusable

#### Scenario: Copy-link share action
- **WHEN** a user activates the copy-to-clipboard share control
- **THEN** the article permalink is written to clipboard
- **AND** action succeeds without navigating away

### Requirement: Footer supports env-driven GitHub and contact links
The system SHALL render contact email link when `CONTACT_EMAIL` is configured.

#### Scenario: Contact link visible when configured
- **WHEN** `CONTACT_EMAIL` is present in frontend config payload
- **THEN** footer shows the contact email affordance
- **AND** hover microcopy behavior remains enabled
