/* Accepted mobile menu; desktop navigation unchanged. */
.mobile-navigation{display:none}
@media(max-width:900px){
header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px}
header .desktop-navigation{display:none}
.mobile-navigation{display:contents}
header>.identity{grid-column:1;grid-row:1}
.mobile-navigation>.donate{grid-column:2;grid-row:1;font-size:var(--type-ui);line-height:1.4;text-decoration:none;padding:12px 14px}
.mobile-menu{grid-column:1/-1;width:100%}
.mobile-menu summary{padding:12px 0;min-height:44px;font-size:var(--type-ui);line-height:1.4;font-weight:700;cursor:pointer}
.mobile-menu nav{display:flex;flex-direction:column;align-items:stretch;gap:0;padding-top:8px}
.mobile-menu nav a{padding:12px 0;min-height:44px;border-top:1px solid #291e20}
}