feat: ensure mobile landing page doesn't scroll

[iykazrji]

Pull Request Checklist

• Did you add new tests and confirm existing tests pass? (yarn test)
• Did you update relevant docs? (docs are found in the site folder, and guidelines for updating/adding docs can be found in the contribution guide)
• Do your commits follow the Conventional Commits standard?
• Does your PR title also follow the Conventional Commits standard?
• If you have a breaking change, is it correctly reflected in your commit message? (e.g. feat!: breaking change)
• Did you run lint (yarn lint:check) and fix any issues? (yarn lint:write)
• Did you follow the contribution guidelines?

Screenshots:

iPhone SE

iPhone XR

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PR-Codex overview

This PR focuses on improving the layout and styling of components in the page.tsx and MobileSplashPage.tsx files, enhancing responsiveness and visual consistency.

Detailed summary

• Updated class names in page.tsx for improved layout and padding.
• Added padding to the div elements for better spacing in page.tsx.
• Modified the structure of MobileSplashPage.tsx to improve layout and responsiveness.
• Adjusted maximum height and padding in the main container of MobileSplashPage.tsx.

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Name	Status	Preview	Comments	Updated (UTC)
aa-sdk-site	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 11, 2024 1:35am
aa-sdk-ui-demo	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 11, 2024 1:35am