Fix marquee loop gap on ultra-wide screens

4 repetitions (was 2) + translateX(-25%) so one cycle always shifts exactly
one set of items. Covers monitors up to ~4800px without a visible seam.
Perceived scroll speed unchanged.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

css/style.css

@@ -218,7 +218,7 @@ body > *:not(.sfB-bg) { position: relative; z-index: 1; }
   50%       { opacity: 0.4; transform: scale(0.65); }
 }
 @keyframes sfB-mq {
-  to { transform: translateX(-50%); }
+  to { transform: translateX(-25%); }
 }
 
 /* ── Hero ── */