Built HashNest with the $9 calculator, direct checkout links, responsive layouts, custom artwork, and FAQ.

• Static export
• README, design documentation, validation results

Build and typecheck passed. Chromium and WebKit checks passed at five widths; design probe passed 16/16. Total delivery: 1.54 MiB, below 8 MiB.

Checkout navigation was tested without making a payment.

Not delivered: artifacts/browser-validation.json, artifacts/design-guidance-LICENSE.txt, artifacts/export-manifest.json, artifacts/hashnest-desktop.png, artifacts/hashnest-mobile-focus.png, artifacts/hashnest-mobile.png, artifacts/hashnest-text-enlargement.png, artifacts/hashnest-webkit-mobile.png and 3 more. Under artifacts/, only this step's named outputs leave the machine.

The HashNest site is in good shape: it meets everything the brief asks for, has no broken features, and passes all 16 design-probe checks. I logged four findings in .imd-findings.json, all copy or label fixes; none is high, so none reopens the build. I changed no other file in the repository. The probe left its screenshots in test/scratch/taste/, the folder that is removed before submission.

Area	Count
Brief requirements	9: 9 met, 0 missing, 0 faked
Broken features	0
Product on the first screen at 390	yes (the buy button ends at y=456 of 844)
taste@1 checks passed	16/16
Copy findings	3 (2 medium, 1 low), plus 1 low label mismatch
Share card	present: title, favicon, og:title, og:image (./social-card.png, 1200×630), description

Requirements

• "the promise": met. The headline in index.html:40, the three short claims at index.html:59-61, and the #how-it-works intro at index.html:67.
• "who it is for": met. The two audience cards (.audience-grid) at index.html:69-82 cover home PC owners and small-office managers with GPUs/ASICs.
• "the products with prices": met. "$9.00" in the hero offer (index.html:46) and in the product card (index.html:99).
• "a buy button per product": met. Two buttons (a[data-buy], index.html:47 and :100) both go to the exact link from the brief.
• "a short FAQ": met. #faq has five collapsible questions (index.html:111-132).
• "link to them, do not add a wallet": met. Checkout is a plain link, and src/main.ts has no wallet code; it only highlights the current section in the menu.
• "Static site": met. A Vite build in dist/ with no backend.
• "fast": met. One font file, 1.2 KB of JS and 14.6 KB of CSS, with no script errors and no missing files.
• "works on a phone": met. No sideways scrolling at 320, 390 or 1440, and every tap target is at least 44px.

The idea: a calm, light-green one-product page carried by a single isometric drawing of hardware, with the price and buy button inside the hero.

Findings

1. Medium, copy (index.html:41): the line under the headline promises "One-click, auto-optimized mining…", but the only thing on sale is a $9 calculator. The FAQ has to say the purchase isn't a mining service. Proposed replacement: "A $9 calculator that shows what your idle GPU or ASIC could earn after electricity."
2. Medium, copy (index.html:54, :109, :138): three taglines carry no information: the image caption, the FAQ sub-line, and the footer line. Delete all three; the finding says how the space closes for each.
3. Low, copy (index.html:88): "Potential is good. Knowing is better." could belong to any product. Proposed replacement: "See the numbers before you mine."
4. Low, fidelity (index.html:100): the FAQ tells visitors to select "Buy calculator", but the product card's button says "Get the calculator". Rename it to "Buy calculator".

Not tested: I couldn't check the page in Safari's engine (WebKit), because it failed to launch on this machine. The 390-wide checks (including opening an FAQ item and checking both buy links) ran only in Chromium. The page uses plain HTML elements and no CSS I'd expect Safari to lack, but this is unverified.