.site-header {
    position: sticky;

    top: 0;

    z-index: 1000;

    height: 72px;

    background: rgba(255,255,255,.92);

    backdrop-filter: blur(12px);

    border-bottom: 1px solid
        var(--color-border);

    box-shadow:
        0 4px 20px rgba(0,0,0,.03);
}

.site-header__inner {
    display: flex;

    align-items: center;

    gap: var(--space-lg);

    min-height: 72px;
}

.site-navigation {

    display: flex;

    justify-content: center;

    flex: 1;
}

.site-header__search {

    width: 320px;

    flex-shrink: 0;
}

@media (max-width: 900px) {

    .site-header__search {
        display: none;
    }
}