.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.94);
    border-bottom: 1px solid rgba(219,230,227,.9);
    backdrop-filter: blur(16px);
}

.nav-wrap {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.site-logo {
    width: var(--logo-header-width);
    height: auto;
}

.primary-nav ul {
    display: flex;
    align-items: center;
    gap: 1.35rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.primary-nav a {
    color: var(--text-heading);
    font-size: .94rem;
    font-weight: 700;
    text-decoration: none;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
    color: var(--brand-primary);
}

.nav-toggle {
    display: none;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-heading);
    padding: .6rem .75rem;
    border-radius: var(--radius-small);
    font-weight: 800;
}