.site-header {
    background: #ffffff;
    border-bottom: 1px solid rgba(20, 77, 99, 0.12);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(20, 77, 99, 0.06);
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text);
    font-weight: 600;
    padding: 0.7rem 0.95rem;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    color: var(--primary);
}

.navbar-brand {
    color: var(--primary-dark) !important;
}

.navbar-logo {
    width: 200px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.08));
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-text small {
    color: var(--muted);
    font-size: 0.72rem;
}