.site-header{position:sticky;top:0;background:var(--color-paper);border-bottom:var(--border-ink);z-index:1000}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;min-height:72px}
.site-header__brand{display:flex;align-items:center}
.site-header__logo-link{display:flex;align-items:center;gap:var(--space-sm);text-decoration:none;color:inherit}
.site-header__logo{height:42px;width:auto}
.site-header__brand-text{font-family:var(--font-heading);font-size:var(--text-lg)}
.site-header__nav{display:flex}
.site-header__menu{display:flex;gap:var(--space-md);list-style:none;margin:0;padding:0}
.site-header__menu a{text-decoration:none;color:var(--color-ink)}
.site-header__cta{display:inline-flex;align-items:center;justify-content:center}
.site-header__toggle{display:none;flex-direction:column;gap:4px;background:none;border:var(--border-ink);padding:8px}
.site-header__toggle-line{width:22px;height:2px;background:var(--color-ink)}
.desktop-only{display:block}
.mobile-only{display:none}
@media (max-width:900px){
.site-header__toggle{display:flex}
.site-header__nav{position:fixed;top:72px;left:0;width:100%;background:var(--color-paper);border-top:var(--border-ink);transform:translateY(-120%);transition:transform .3s ease;max-height:calc(100vh - 72px);overflow:auto}
.site-header__nav.is-open{transform:translateY(0)}
.site-header__menu{flex-direction:column;padding:var(--space-md)}
.desktop-only{display:none}
.mobile-only{display:block}
}