Tablet layout (768-1023px) hit the md: grid switch exactly where the
fluid clamp() tokens were already at their floor, leaving no room to
shrink. Moves the fluid floor and structural breakpoint down together
to sm: (640px) so real tablets always get the fluid, desktop-like
structure; consolidates the ad-hoc md:+lg: patchwork in Hero/About/
Newsletter/Footer/Tools back onto one line, leaving documented lg:
exceptions where content genuinely doesn't fit yet. Also shortens the
Hero heading to a single sentence with no trailing period (the brand's
orange dot already renders one, animated).
Marco
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