Mobile was the last dimension with no measurement behind it. Diffed ours against
LIVE doxa.life at 390 and 768, the same way desktop was diffed. Result after the
fix: region page 44 IDENTICAL, 0 differ; country page 26 IDENTICAL, 0 differ; no
horizontal overflow on either side at either width.
★ THE FIND. Their base/_globals.scss html rule carries `scrollbar-gutter: stable`
and we had nothing equivalent, so EVERY mobile width was 13.5px wider than
theirs — their container 353.5px against our 367px at 390.
It was invisible at 1440, because both sides cap at 1200 there. That is exactly
why a desktop-only diff could report 68 of 68 identical while every phone width
was wrong, and it is the clearest case yet for the rule about not trusting a
number measured at one size.
And it CASCADED into a different LAYOUT, not just different numbers: at 768 our
container came out 707.2px against their 693.7px, and their .switcher flips at
700px of container — so their three goal cards STACKED and ours stayed
three-across. One missing property, a visibly different page.
Ported onto .rd-scroll and .rl-scroll, this element's own scrolling box. A
shadow root cannot set the host document's html rule and should not try; our
scroller is the box every child measures against, so reserving the gutter there
reproduces their effect exactly (the width probe now reads pane 375 -> container
353.5 at 390, matching them).
Their 576px card reflow is verified rather than assumed: at 390 our .uupg__card
resolves to "image adopted" / "header header" / "content content" / "footer
footer" and at 768 to the three-column form, both byte-identical to theirs.
ACCEPTED, with its magnitude rather than buried: four vw-scaled clamps land
2-4% low (h1 52.71 vs 53.76 at 768, the prayer bar 22.5 vs 23.39 at 390). Their
clamps scale with vw and ours with cqw, deliberately, so the element sizes
correctly as one pane of the regions-mfe composite — and vw includes the
scrollbar while cqw does not, so the gap is now a systematic ~15px. The probe
prints these as a residual instead of counting them identical; switching to vw
would buy ~1px of heading and break a shipping surface, which is the wrong
trade, but it is the Driver's to overrule.
Desktop unaffected: region 68/68, country 28/28, every width still matching
their container formula, no gate newly red.
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