Zero-execution routing and presentation

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Foundry’s public presentation layers adhere to a "Zero-Execution" mandate, eliminating client-side JavaScript for core DOM manipulation, language routing, and file serving. This architectural constraint minimizes the attack surface and guarantees SOC 3 compliance by relying entirely on deterministic files and native CSS state management.
Platform presentation layers adhere to a "Zero-Execution" mandate, eliminating client-side JavaScript for core DOM manipulation, language routing, and file serving. This architectural constraint minimizes the attack surface and guarantees SOC 3 compliance by relying entirely on deterministic files and native CSS state management.

## 1. Deterministic Bilingual Routing

Foundry avoids the security risks and latency of IP-sniffing scripts or conditional server-side redirects. Language routing is achieved through structural determinism:
The platform avoids the security risks and latency of IP-sniffing scripts or conditional server-side redirects. Language routing is achieved through structural determinism:
* **English (Root):** The primary `index.html` resides in the root directory.
* **Spanish (/es/):** A structurally identical `index.html` resides in the `/es/` sub-directory, with the `checked` attribute natively applied to the language-state checkbox.

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* **Native Switching:** CSS rules (`display: block` / `none`) are tied to the `:checked` state of hidden inputs.
* **Zero Latency:** This method provides the illusion of a high-performance Web 2.0 application with zero execution latency and no client-side script vulnerability.

This "Leapfrog 2030" standard ensures that Foundry interfaces are accessible, secure, and instantaneous across all network environments.
This approach ensures that platform interfaces are accessible, secure, and instantaneous across all network environments.

## See also