Global border-box collapsed the banner's height:0 + padding-bottom
aspect box to zero, so slides rendered but took no space. Prefer
aspect-ratio (with content-box fallback) and make .new-swiper honor
data-swiper-config so autoplay/loop/navigation from templates apply.
Remove CSS that forced relative header and cancelled hero underlap,
disable sticky inside absolute show-slide nav, hide desktop expanded
search form for layout-1, and size logos at 36px height like zibll.
Make show-slide header overlay the hero, dual-class nav/footer shells
toward zibll selectors, and add a small footer layout bridge for logo,
contact, and float buttons.
Move header-slider outside main, render fluid zones once, default the
latest stream to plain posts by date, and cut dual-render/perf waste so
published posts and hero/banner structure match the zibll contract.