Fix product

README.md

@@ -137,9 +137,10 @@ step turns over exactly when the panel pins. A step's title is a button that scr
 
 The panel is tied to the text, not to the pinned frame: it is positioned against
 `.how__text-inner`, so it starts at the title and its width is stated as 200% of the text column
-(4 of 12 against 8 of 12). Its height is measured once by script as the collapsed list plus the
-tallest step's text, so it never resizes as steps change while each step's text still takes only
-the room it needs. Without script the first step stays open, the panel takes the text's own
+(4 of 12 against 8 of 12). That block is held at one height, measured once by script as the
+collapsed list plus the tallest step's text, and centred in the pinned frame. So the title, the
+list and the panel all sit in the middle of the dark area and none of them move as the steps
+change, while each step's text still takes only the room it needs. Without script the first step stays open, the panel takes the text's own
 height, and the section reads as a plain sequence. Phones get that plain sequence in any case:
 every step open, the upright drawing under its text. This goes
 beyond the home page's single load moment on purpose, at the client's request; the home page is