:root{--ink:#102a43;--muted:#52677a;--paper:#fff;--wash:#f3f7f8;--brand:#176b87;--accent:#e5b74b;--radius:18px;--shadow:0 18px 50px rgba(16,42,67,.12)}
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:root{--brand:#087a8c;--accent:#d4a437;--ink:#17313d;--wash:#edf6f6;--hero:url('/images/wastewater_aerial.jpg')}.brand img{max-width:145px}