p08-seo-tweaks

openspec/changes/p07-tech-robustness/specs/responsive-device-agnostic-layout/spec.md

@@ -0,0 +1,14 @@
+## ADDED Requirements
+
+### Requirement: Core layout is device-agnostic and responsive
+The system SHALL render key surfaces (header, hero, feed, modal, footer) responsively across mobile, tablet, and desktop viewports.
+
+#### Scenario: Mobile layout behavior
+- **WHEN** a user opens the site on a mobile viewport
+- **THEN** content remains readable without horizontal overflow
+- **AND** interactive controls remain reachable and usable
+
+#### Scenario: Desktop and tablet adaptation
+- **WHEN** a user opens the site on tablet or desktop viewports
+- **THEN** layout reflows according to breakpoint design rules
+- **AND** no key content or controls are clipped