/* Shared masthead for the directory and personnel profiles. */
.header {
    background: linear-gradient(110deg, #fff 55%, #fcf8ff);
    border-bottom: 1px solid #ece5f2;
    box-shadow: 0 4px 24px #41205e06;
}
.header::before { height: 3px; }
.header .header-inner { min-height: 104px; height: auto; gap: 28px; padding-block: 20px; }
.header-identity { display: flex; align-items: center; gap: 28px; min-width: 0; }
.header .brand { gap: 14px; min-width: 0; border-radius: 12px; }
.header .brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 54px;
    width: 54px;
    height: 56px;
    font-size: 45px;
    line-height: 1;
    letter-spacing: -3px;
    padding-right: 3px;
    border: 1px solid #ffffff60;
    border-radius: 17px;
    background: linear-gradient(140deg, #7025b5, #982cac 60%, #c62c66);
    box-shadow: inset 0 1px 0 #ffffff38, 0 6px 14px #8129a21c;
}
.header .brand-icon span { color: #ffd0df; }
.brand-copy { min-width: 0; }
.header .brand strong {
    display: block;
    font-size: 28px;
    line-height: 1.2;
    letter-spacing: -1.1px;
    background: none;
    color: #65248f;
}
.header .brand-dot { color: #c12a65; }
.header .brand small { margin-top: 5px; font-size: 12px; line-height: 1.6; color: #80718d; }
.header-caption { padding-left: 28px; border-left: 1px solid #e8deef; color: #9a8ba6; font-size: 11px; line-height: 1.9; }
.header-caption strong { color: #72617f; font-weight: 500; }
.header nav { flex-shrink: 0; height: auto; gap: 6px; padding: 5px; border: 1px solid #eee6f4; border-radius: 16px; background: #f6f2f9; }
.header nav a {
    min-height: 44px;
    height: auto;
    padding: 10px 18px;
    gap: 9px;
    border: 1px solid transparent;
    border-radius: 11px;
    color: #80728d;
    font-size: 13px;
    white-space: nowrap;
    transition: background .18s, color .18s, box-shadow .18s;
}
.header nav .nav-icon { display: block; width: 18px; height: 18px; flex-shrink: 0; }
.header nav a.active { background: #fff; color: #7c2baa; border: 1px solid #e9dcf1; box-shadow: 0 2px 6px #54277509; }
.header nav a:hover { background: #fff; color: #7c2baa; }
.header nav a:focus-visible, .header .brand:focus-visible { outline: 3px solid #b47bd5; outline-offset: 4px; }
@media (max-width: 1000px) {
    .header-caption { display: none; }
}
@media (max-width: 720px) {
    .header .header-inner { min-height: 90px; gap: 18px; padding-block: 16px; }
    .header .brand { gap: 11px; }
    .header .brand-icon { flex-basis: 46px; width: 46px; height: 48px; border-radius: 14px; font-size: 39px; }
    .header .brand strong { font-size: 25px; }
    .header .brand small { font-size: 11px; }
    .header nav a { padding: 9px 12px; font-size: 12px; gap: 7px; }
}
@media (max-width: 560px) {
    .header .header-inner { flex-direction: column; align-items: stretch; gap: 16px; }
    .header-identity { width: 100%; }
    .header nav { width: 100%; gap: 5px; border-radius: 13px; }
    .header nav a { flex: 1; justify-content: center; padding: 10px 8px; font-size: 12px; border-radius: 9px; }
}
@media (prefers-reduced-motion: reduce) {
    .header nav a { transition: none; }
}