fix(web): refine support page typography, spacing and hover states

[mica000]

Summary

• Tighten category grid row gap to space.01 and add space.08 column gap
• Change divider line color to ink.component-background-non-interactive
• Increase spacing between category sections to space.07
• Increase icon-to-title gap to space.03
• Update scam warning: icon to 16x16 action-primary, body/contact text spacing, contact line to label.03
• Add hover state to search input (1px border with ink.text-subdued)
• Add chevron arrow on hover for guide links

Test plan

• Visit /support and verify category section spacing and divider colors
• Hover over guide links — chevron should fade in
• Hover over search input — border should darken
• Verify scam warning card typography and spacing

Made with Cursor

[leather-bot]

Leather Web build bdda705 — Web preview, Web test report

[codecov]

Codecov Report

❌ Patch coverage is 0% with 21 lines in your changes missing coverage. Please review.
✅ Project coverage is 12.45%. Comparing base (d2102cc) to head (bdda705).
⚠️ Report is 5 commits behind head on dev.

Files with missing lines	Patch %	Lines
.../app/pages/support/components/category-section.tsx	0.00%	9 Missing ⚠️
apps/web/app/pages/support/guide/guide.tsx	0.00%	5 Missing ⚠️
.../web/app/pages/support/components/scam-warning.tsx	0.00%	4 Missing ⚠️
.../web/app/pages/support/components/guide-search.tsx	0.00%	2 Missing ⚠️
apps/web/app/pages/support/help-center.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #2205      +/-   ##
==========================================
- Coverage   12.46%   12.45%   -0.01%     
==========================================
  Files        2425     2425              
  Lines      100083   100093      +10     
  Branches     4178     4178              
==========================================
  Hits        12471    12471              
- Misses      86579    86589      +10     
  Partials     1033     1033              

Files with missing lines	Coverage Δ
apps/web/app/pages/support/help-center.tsx	0.00% <0.00%> (ø)
.../web/app/pages/support/components/guide-search.tsx	0.00% <0.00%> (ø)
.../web/app/pages/support/components/scam-warning.tsx	0.00% <0.00%> (ø)
apps/web/app/pages/support/guide/guide.tsx	0.00% <0.00%> (ø)
.../app/pages/support/components/category-section.tsx	0.00% <0.00%> (ø)

Components	Coverage Δ
bitcoin	64.86% <ø> (ø)
query	24.48% <ø> (ø)
utils	86.99% <ø> (ø)
crypto	69.75% <ø> (ø)
stacks	49.35% <ø> (ø)

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