.SiteHeader-module__Tkw0gW__header{border-bottom:1px solid var(--border);background:var(--surface-secondary)}.SiteHeader-module__Tkw0gW__inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;max-width:1100px;margin:0 auto;padding:1rem 1.5rem;display:flex}.SiteHeader-module__Tkw0gW__brand{align-items:center;gap:.6rem;line-height:1.1;display:flex}.SiteHeader-module__Tkw0gW__brandMascot{width:auto;height:34px;display:block}.SiteHeader-module__Tkw0gW__brandText{flex-direction:column;display:flex}.SiteHeader-module__Tkw0gW__brandMark{width:auto;height:28px;display:block}.SiteHeader-module__Tkw0gW__brandSub{color:var(--text-muted);font-size:.75rem}.SiteHeader-module__Tkw0gW__nav{flex-wrap:wrap;gap:.25rem;display:flex}.SiteHeader-module__Tkw0gW__navLink{border-radius:var(--radius-md);min-height:44px;color:var(--text-secondary);transition:background var(--transition), color var(--transition);align-items:center;gap:.5rem;padding:.4rem .65rem;font-size:.9rem;font-weight:500;display:flex}.SiteHeader-module__Tkw0gW__navLink:hover{background:var(--surface-hover);color:var(--foreground)}.SiteHeader-module__Tkw0gW__navLinkActive{color:var(--foreground);background:var(--purple-surface)}.SiteHeader-module__Tkw0gW__navLinkActive:hover{background:var(--purple-surface)}.SiteHeader-module__Tkw0gW__navLetter{border-radius:var(--radius-sm);background:var(--purple);width:1.5rem;height:1.5rem;color:var(--accent-contrast);flex-shrink:0;justify-content:center;align-items:center;font-size:.8rem;font-weight:700;display:inline-flex}@media (max-width:640px){.SiteHeader-module__Tkw0gW__navName{display:none}.SiteHeader-module__Tkw0gW__navLink{padding:.4rem .5rem}}