fix(marketing): use the official OpenCode and Antigravity logos

[flamboh]

Note

🤖 Claude Opus 5.5 on behalf of Oliver

ELI5

Two of the agent logos on the website were off-brand copies. This swaps in the real logos so they sit in their tiles like the other four.

Problem

• OpenCode: the SVG had a dark square baked in behind the logo, and it squashed the 4:5 mark into a 512×512 box.
• Antigravity: the icon was a 128px PNG of the whole app tile, background included. The hero needed a special-case override to stretch it edge to edge, and the "Bring your own sub" grid showed a tile inside a tile.

Fix

• OpenCode: opencode-logo-dark.svg from OpenCode's brand kit, with a transparent background and its real proportions. The official file has no built-in padding, so it looked about 1.6× bigger than its neighbors. I added a little padding to the viewBox so it sits at a similar size.
• Antigravity: a transparent vector of the gradient mark (from lobe-icons, MIT) replaces the PNG.
• CSS cleanup: removes the .hf-antigravity override and the PNG-only corner radius on .harness-mark img.

The web and mobile apps still embed the old Antigravity PNG. That's left for a separate PR.

UI Changes

Hero tile and "Bring your own sub" grid, before and after:

Full hero at 1440×900

Before

After

Made with Claude Opus 5.5 in Claude Code.

Summary by CodeRabbit

• Style
  • Updated the Antigravity icon in the hero and harness grid.
  • Removed the Antigravity icon’s dark tile styling and edge-to-edge sizing; harness images no longer have rounded corners.

[macroscopeapp]

Approvability

Verdict: Approved at 03a4976

Macroscope's review found this PR approvable — This is a small, self-contained marketing-page update that replaces static logos and adjusts their presentation without changing application logic, APIs, defaults, or workflows. The runtime impact is limited to visual rendering of the landing page.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository: pingdotgg/t3code/.coderabbit.yaml

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Run ID: d390e719-f5e8-4443-b120-10c7061f9220

📥 Commits

Reviewing files that changed from the base of the PR and between e67abcf and 03a4976.

⛔ Files ignored due to path filters (3)

• apps/marketing/public/harnesses/antigravity.png is excluded by !**/*.png
• apps/marketing/public/harnesses/antigravity.svg is excluded by !**/*.svg
• apps/marketing/public/harnesses/opencode-dark.svg is excluded by !**/*.svg

📒 Files selected for processing (1)

• apps/marketing/src/pages/index.astro

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📝 Walkthrough

Walkthrough

The marketing page now uses the Antigravity SVG in the hero and harness grid. The page also removes Antigravity-specific hero styling and the harness images’ 5px border radius.

Changes

Marketing mark presentation

Layer / File(s)	Summary
Antigravity asset and styling apps/marketing/src/pages/index.astro	The hero and harness grid use the SVG asset instead of the PNG. Antigravity-specific hero styling and the harness image border radius are removed.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~5 minutes

Change: Bug fix

Suggested reviewers: t3dotgg

Merge Risk: ⚪ Minimal · up to 03a49

The logo updates preserve the page’s existing display constraints, with no material site behavior or release risk evident. The change is ready to merge after ordinary checks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: replacing the marketing site’s OpenCode and Antigravity logos with official versions.
Description check	✅ Passed	The description explains what changed, why the changes were needed, and includes before-and-after UI images. The required Checklist section is missing, but the description is otherwise complete and fo…
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create a new PR

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