header.site-header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    transform-origin: top center;
    z-index: 1000;
    transition: all 0.3s ease;
    width: 960px;
    height: 64px;
    background: transparent;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: flex-start;
}

.header-logo-large {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.header-logo-small {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-container {
    margin: 0;
    padding: 0 8px;
    box-sizing: border-box;
    width: 100%;
    display: flex;
    align-items: center;
}

.desktop-menu {
    background: #f4f4f4;
    border-radius: 0 0 9.6px 9.6px;
    padding: 6.4px 12.8px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    position: relative;
    transition: all 0.3s ease;
}

/* Header logos - hidden by default on desktop */
.header-logo {
    display: none;
    height: 32px;
    padding-right: 48px;
    padding-left: 16px;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.header-logo img {
    height: 100%;
    width: auto;
    display: block;
}