/* Inverse glass navigation and transparent silhouette-only logo relief. */
body .site-header[data-surface=light]{color:#233e52;border-color:#ffffffb8;box-shadow:0 8px 30px #06192b2b}
body .site-header[data-surface=light] .desktop-nav{background:linear-gradient(180deg,#ffffffaa,#c1d3e140);border-color:#ffffffc4;box-shadow:inset 0 1px white,0 6px 20px #5c74851a}
body .site-header[data-surface=light] .desktop-nav a{color:#233e52}
body .site-header[data-surface=light] .desktop-nav a:is([aria-current],:hover,:focus-visible){color:#173b57}
body .site-header[data-surface=light] .nav-light{background:radial-gradient(ellipse at 50% 0,#faffff,#a3c3d975);border-color:#ffffffcc;box-shadow:0 -3px 15px #80bde2a6,0 4px 12px #6e8fa63b,inset 0 1px white}
body .site-header[data-surface=light] .menu-toggle{background:#f8faf7bb;color:#233e52;border-color:#8da6bc}
body .site-header[data-surface=light] .menu-toggle span{background:#233e52}
body .site-header[data-surface=light] .mobile-nav{background:#edf3f8;color:#233e52;border-color:#bccdda}
body .site-header[data-surface=light] .mobile-nav a:not(.button){color:#233e52}
body .site-header .brand{background:transparent!important;border:0;box-shadow:none;perspective:700px}
body .site-header .brand img{
 background:transparent;mix-blend-mode:normal;transform-origin:center;
 filter:drop-shadow(0 -1px 0 #ffffffc0) drop-shadow(0 2px 0 #334e6a45) drop-shadow(0 5px 3px #1c344b38);
 transition:transform .4s ease,filter .5s ease;
}
body .site-header[data-surface=dark] .brand img{filter:drop-shadow(0 1px 0 #b9d7ea80) drop-shadow(0 3px 1px #040f1acc) drop-shadow(0 7px 5px #00000066)}
@media(hover:hover) and (pointer:fine){body .site-header .brand:hover img{transform:translateY(-2px) rotateX(5deg) scale(1.015)}}
body .site-header .brand:focus-visible img{transform:translateY(-2px)}
@media(prefers-reduced-motion:reduce){body .site-header .brand img{transition:none;transform:none!important}}