:root { --brand:#d51920; }
html { scroll-behavior:smooth; }
a { color: var(--brand); }
.header-bar { backdrop-filter: blur(6px); }
.nav a { padding: .25rem .5rem; border-radius:.5rem; }
.nav a:hover { background: rgba(213,25,32,.08); }
footer { color:#64748b; }