.hdr{position:sticky;top:0;z-index:1000;background:var(--color-surface-base);border-bottom:var(--border-thin) solid var(--color-border-light)}
.hdr-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:80px}
.hdr-brand{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0}
.hdr-logo{height:48px;width:auto}
.hdr-brand-text{font-family:var(--font-heading);font-size:var(--fs-5)}

.hdr-toggle{display:none;flex-direction:column;gap:4px;padding:8px;border:var(--border-thin) solid var(--color-border-light)}
.hdr-toggle-line{width:20px;height:2px;background:var(--color-accent-black)}

.hdr-nav{}
.hdr-menu{display:flex;gap:var(--space-4);list-style:none;margin:0;padding:0}
.hdr-menu li{margin:0;padding:0}
.hdr-menu a{text-transform:uppercase;font-size:var(--fs-6);letter-spacing:.05em}

@media(max-width:900px){
.hdr-toggle{display:flex}
.hdr-nav{position:absolute;top:100%;left:0;width:100%;background:var(--color-surface-base);border-bottom:var(--border-thin) solid var(--color-border-light);display:none}
.hdr-nav.open{display:block}
.hdr-menu{flex-direction:column;padding:var(--space-4)}
.hdr-logo{height:36px}
.hdr-brand-text{display:none}
}