🧪 Header/Footer Lab — draft concept, not linked from the live site. Open current homepage to compare →
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Common Aerospace Calculations

This is placeholder page content, styled like a normal KasperCalc page, so you can see how the new header and footer read against real content.

What changed, and why

  • Header: 13 top-level dropdowns wrapping onto two rows (the reason the live CSS has three separate media queries just to shrink the nav font) are collapsed into 5 grouped mega-menus. One row, at every width.
  • Header: darker, higher-contrast bar with a sticky position so it stays available while scrolling long calculator pages.
  • Footer: the ~17-column link wall is grouped into the same categories as the header, with a "+N more" disclosure per column so deep links still exist for search engines without dominating the page visually.
  • Ad placement: professional B2B ads run in sticky rails to the left/right of the content on wide screens — never inside the reading column. Below the width where rails would squeeze the content, a single inline unit is used instead, since there's no gutter to put a rail in.
Ad — inline unit (mobile/narrow only)

Jet Fuel Head Calculator

Placeholder calculator card to show link/button styling under the new header.

Compression Spring Calculator

Placeholder calculator card.

O-Ring Size Finder

Placeholder calculator card.