/* ═══════════════════════════════════════════════════════════════════════════ SITE BUILDER v2 — Universal Stylesheet All visual variation is driven by CSS custom properties injected per-site. Layout variants use [data-variant="..."] attribute selectors. ═══════════════════════════════════════════════════════════════════════════ */ /* --- DEFAULT DESIGN TOKENS (overridden per-site via