:root{--green:#6cff00;--green2:#3aa800;--black:#050805;--panel:#0c140d;--silver:#b9c2c4;--white:#eef4f0;--amber:#ffc857;--line:rgba(108,255,0,.28)}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-logo{animation:none}}

/* SH Systems laboratory identity */
.site-header{min-height:82px}
.brand{gap:0;font-weight:normal;letter-spacing:normal}
.brand img{display:block;width:min(390px,42vw);height:72px;object-fit:contain;object-position:left center;filter:drop-shadow(0 0 9px rgba(108,255,0,.16))}
@media(max-width:900px){.site-header nav{top:82px}}
@media(max-width:600px){.site-header{min-height:70px}.brand img{width:min(285px,68vw);height:60px}.site-header nav{top:70px}}