.site-header { position: sticky; top: 0; z-index: var(--z-header); background: var(--color-white); border-bottom: 1px solid var(--color-gray-200); transition: all var(--transition-base); height: var(--header-height); }
.site-header.is-shrink { height: var(--header-height-shrink); box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }
.header-logo img { height: 36px; width: auto; }
.header-cta { margin-left: var(--space-6); }
@media (max-width: 992px) { .header-cta { display: none; } }