.rv-header{position:sticky;top:0;background:var(--color-surface-concrete);border-bottom:1px solid var(--color-border-default);z-index:1000}
.rv-header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px}
.rv-brand{display:flex;align-items:center;gap:0.5rem;min-width:0}
.rv-logo{height:42px;width:auto}
.rv-brand-text{font-family:var(--font-heading);font-weight:700}

.rv-nav{display:none}
.rv-nav-list{display:flex;gap:1rem;margin:0;padding:0}
.rv-nav-list li{margin:0}
.rv-nav a{padding:0.5rem 0;font-weight:500}


.rv-toggle{display:flex;flex-direction:column;gap:4px;padding:0.5rem}
.rv-toggle span{display:block;width:22px;height:2px;background:var(--color-text-primary)}

.rv-nav.open{display:block;position:absolute;top:72px;left:0;width:100%;background:var(--color-surface-primary);border-bottom:1px solid var(--color-border-default);box-shadow:var(--shadow-soft)}
.rv-nav.open .rv-nav-list{flex-direction:column;padding:1rem; list-style:none;}
.rv-nav-list{
    list-style:none;
}
@media(min-width:768px){
.rv-toggle{display:none}
.rv-nav{display:block !important;position:static}
.rv-nav-list{align-items:center}
}