/* Standard CitizenBacked interior navigation, independent of article layout. */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    min-height: 98px;
    padding: 24px max(5vw, 24px);
    gap: 24px;
    color: var(--ink);
    border-bottom: 1px solid #ad987c;
    background: var(--paper-light);
}
.site-header .brand { gap: 10px; font: 700 1.5rem/1.2 Manrope, Arial, sans-serif; letter-spacing: -.035em; }
.site-header .brand img { width: 36px; height: auto; flex-shrink: 0; }
.site-header .brand:hover { text-decoration: none; }
.site-navigation { display: flex; align-items: center; gap: 30px; font: 600 .875rem/1.4 Manrope, Arial, sans-serif; }
.site-navigation a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; white-space: nowrap; }
.site-navigation a:hover { text-decoration: underline; text-underline-offset: 5px; }
.site-navigation a[aria-current="page"] { text-decoration: underline; text-underline-offset: 5px; }
.site-navigation .nav-join { justify-content: space-between; gap: 22px; border: 1px solid currentColor; padding: 13px 17px; border-radius: 4px; }
.site-navigation .nav-join:hover { background: var(--ink); color: var(--paper-light); text-decoration: none; }
.site-navigation svg { flex-shrink: 0; }
.site-header .menu-button { display: none; background: transparent; border: 1px solid #ad987c; color: var(--ink); padding: 8px 12px; border-radius: 4px; font: 400 .875rem/1.5 var(--sans); cursor: pointer; min-height: 40px; }
.site-header .menu-button:hover { background: var(--paper-deep); }
.site-header :focus-visible { outline-color: var(--copper); }
.site-header a,.site-header button { transition: background-color .18s ease,color .18s ease,border-color .18s ease,transform .14s cubic-bezier(.2,.8,.2,1); -webkit-tap-highlight-color: transparent; }
.site-navigation .nav-join:active,.site-header .menu-button:active { transform: translateY(1px); }
@media (hover: hover) and (pointer: fine) {
    .site-navigation .nav-join:hover,.site-header .menu-button:hover { transform: translateY(-1px); }
}
@media (max-width: 1100px) {
    .site-header { flex-wrap: wrap; gap: 12px; }
    .site-header.navigation-enhanced .menu-button:not([hidden]) { display: block; }
    .site-navigation { width: 100%; align-items: stretch; flex-direction: column; gap: 6px; padding-top: 14px; }
    .site-header.navigation-enhanced .site-navigation:not(.open) { display: none; }
    .site-navigation > a { padding: 12px 0; font-size: .9rem; }
    .site-navigation .nav-join { padding: 13px 15px; margin-top: 6px; }
}
@media (max-width: 760px) {
    .site-header { padding: 20px 24px; min-height: 82px; }
    .site-header .brand { font-size: 1.3rem; gap: 8px; }
    .site-header .brand img { width: 30px; }
}
@media (prefers-reduced-motion: reduce) {
    .site-header a,.site-header button { transition: none; transform: none; }
}
@media print {
    .site-header { display: none; }
}