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Task 10a (Phase 3 first layout task). home.html now mirrors the cms astro-site-runtime homepage section sequence: full-bleed hero (single active slide; the platform has no multi-slide config, so the carousel dots/JS are not ported), trustbar, two-col about with floating stats, soft products band (4-card grid), dark applications band (2x2 case tiles), advantages feature grid, soft news band (3-card grid), and the closing cta band. Data maps to SiteForge context (page.cover/summary, showcase, cases, stories, category/brand counts); empty sections hide instead of rendering shells. All new component classes are sf-tp-* prefixed and compose on the Task 8 base utilities in theme.css (.wrap/.section/.eyebrow/.icon-circle/.sf-tp-btn). CSS: the five cms components' scoped styles (PageHero, FeatureGrid, CardGrid, Cta, SectionHead + the inline homepage bands) are extracted into pro.css as the sf-tp-* component layer, tokens rewritten to --sf-tp-*, breakpoints 900/767/620 preserved. theme.css accordingly drops the superseded generic .cards/.card/.feature mobile baselines and the .pro-home-hero em bridge, and retargets the dark-surface ghost button hook from .cta-band to .sf-tp-cta. Reveal: cms uses data-reveal everywhere; a ~15-line inline script at the pro.html tail adds html.js + an IntersectionObserver that toggles is-visible (the reduced-motion/no-JS exemptions already live in theme.css from Task 8). Tests: test_theme_registry gains test_trade_pro_home_layout_structure (preview-render contract: sf-tp-hero, card grid, feature grid, cta, no pro-industrial-hero residue, reveal script). The distinct-markup tripwire in test_theme_pro_v3 is legitimately updated 4 -> 5 (renamed to drop the stale "four"): with trade-pro now carrying its own sf-tp-hero class, five themes yield five distinct hero signatures, which is what the test always meant to enforce. Co-Authored-By: Claude Code <noreply@anthropic.com>