Replace the animated docs link underline with a plain hover underline

[jeffmerrick]

Proposed changes

Docs content links (section.docs-content p a / ul li a[href]) used a two-layer linear-gradient background animated via background-size to sweep a gray underline in from the left on hover. This replaces that effect with a standard text-decoration: underline and a 2px text-underline-offset, and drops the padding-bottom that reserved space for the animated rule. Link colors are unchanged in both light and dark mode — the dark-mode override in _docs-theme.scss only sets color, so it carries through untouched.

Unreleased product version (optional)

N/A

Related issues (optional)

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[github-actions]

Pre-merge Review — Last updated 2026-08-05T21:18:39Z

Tip

Summary: This is a styling-only change to the docs theme: theme/src/scss/docs/_docs-main.scss drops the animated gradient "wipe" underline on body links in section.docs-content (the layered linear-gradient backgrounds, the background-size transition, and the padding-bottom: 0.2rem spacer that made room for it) and replaces the hover treatment with a plain text-decoration: underline plus text-underline-offset: 2px. There is no prose, frontmatter, or code-example content in the diff, so the failure mode worth checking is visual rather than factual — a link affordance that disappears entirely, or a hover color that stops being legible in dark mode. Both check out: the link's base color still comes from var(--docs-link, …), and theme/src/scss/docs/_docs-theme.scss already overrides section.docs-content p a:not(.btn):hover / ul li a[href]:hover to var(--color-violet-200) under data-theme="dark", so the hover state stays legible in both modes and every removed declaration was in service of the deleted animation. Passes run: diff read, a dark-mode token trace through _docs-theme.scss, Vale prose lint (no content files in scope), and the Hugo build / link preflight (skipped — no templating or content paths touched).

Review confidence:

Dimension	Level	Notes
mechanics	HIGH
styling	MEDIUM	Assessed by reading the SCSS and its dark-mode overrides; CI can't render the page, so the visual result itself is unverified.

Investigation log

• Cross-sibling reads: not run (not in a templated section)
• External claim verification: not run (no claims in this diff)
• Cited-claim spot-checks: not run (no cited claims)
• Frontmatter sweep: not run (no frontmatter in diff)
• Temporal-trigger sweep: not run (no trigger words)
• Code execution: not run (no static/programs/ change)
• Code-examples checks: not run (no fenced code blocks in content files)
• Editorial-balance pass: not run (not under content/blog/)

🚨 Outstanding	⚠️ Low-confidence	💡 Pre-existing	✅ Resolved
0	0	0	0

🔍 Verification trail

No verifiable claims extracted from this diff.

🚨 Outstanding in this PR

No outstanding findings in this PR.

⚠️ Low-confidence

No low-confidence findings.

💡 Pre-existing issues in touched files (optional)

No pre-existing issues in touched files.

✅ Resolved since last review

No items resolved since the last review.

📜 Review history

• 2026-08-05T21:18:39Z — Reviewed the docs link-underline SCSS change; no findings — the removed declarations all belonged to the deleted animation, and dark-mode hover is already handled in _docs-theme.scss (654e8e8)

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Lighthouse Performance Report

Commit: 654e8e8 | Metric definitions

Page	Device	Score	FCP	LCP	TBT	CLS	SI
Homepage	Mobile	🔴 45	7.9s	14.3s	460ms	0.000	8.7s
Homepage	Desktop	🟡 80	0.7s	2.2s	129ms	0.048	2.6s
Install Pulumi	Mobile	🟡 57	6.0s	9.8s	86ms	0.053	7.5s
Install Pulumi	Desktop	🟡 83	1.2s	2.6s	0ms	0.015	1.2s
AWS Get Started	Mobile	🟡 57	7.8s	16.2s	20ms	0.000	7.8s
AWS Get Started	Desktop	🟡 82	1.2s	2.6s	0ms	0.050	1.2s