/* ========================================================================== hsalimit.com — 2026 HSA Triple-Tax Optimizer House style: calm, authoritative, health-finance. Source Serif 4 display, Source Sans 3 UI/body, Source Code Pro for figures & math. -------------------------------------------------------------------------- NOTE: the above-the-fold subset of this file (the :root block, base rules, .site-header*, .hero*) is mirrored as an inline