34 lines
1.6 KiB
Markdown
34 lines
1.6 KiB
Markdown
## Purpose
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Canonical specification for responsive-device-agnostic-layout requirements synced from OpenSpec change deltas.
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## Requirements
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### Requirement: Core layout is device-agnostic and responsive
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The system SHALL render key surfaces (header, hero, feed, modal, footer, policy modals, and floating controls) responsively across mobile, tablet, and desktop viewports while preserving readability.
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#### Scenario: Mobile layout behavior
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- **WHEN** a user opens the site on a mobile viewport
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- **THEN** content remains readable without horizontal overflow
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- **AND** interactive controls including icon-only copy/back-to-top and policy modals remain reachable and usable
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#### Scenario: Desktop and tablet adaptation
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- **WHEN** a user opens the site on tablet or desktop viewports
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- **THEN** layout reflows according to breakpoint design rules
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- **AND** no key content or controls are clipped
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#### Scenario: Readability-focused typography and contrast updates
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- **WHEN** content is rendered in core reading surfaces
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- **THEN** typography and color choices improve baseline readability
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- **AND** updates remain compatible with responsive behavior across breakpoints
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#### Scenario: Sticky shrinking glass header
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- **WHEN** user scrolls downward
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- **THEN** header remains sticky with slight height reduction, subtle elevation, and glass blur effect
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- **AND** controls remain readable and usable at all breakpoints
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#### Scenario: Sticky footer does not overlap core reading zones
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- **WHEN** footer is sticky
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- **THEN** content remains readable and interactive controls are not obscured
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- **AND** mobile/tablet/desktop layouts stay overflow-safe
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