:root{--tool-header-paper:#f4f2ec;--tool-header-ink:#0b0b0c;--tool-header-muted:#66665f;--tool-header-line:#14140f24;--tool-header-accent:#1b33ff}.tool-site-header{z-index:80;border-bottom:1px solid var(--tool-header-line);background:color-mix(in srgb, var(--tool-header-paper) 86%, transparent);-webkit-backdrop-filter:blur(16px);position:sticky;top:0}.tool-site-header-row{justify-content:space-between;align-items:center;gap:18px;max-width:1280px;min-height:64px;margin:0 auto;padding:0 clamp(18px,4vw,48px);display:flex}.tool-site-brand,.tool-site-link{color:var(--tool-header-ink);text-decoration:none}.tool-site-brand{letter-spacing:-.03em;align-items:center;gap:3px;font-family:Schibsted Grotesk,Space Grotesk,Segoe UI,system-ui,sans-serif;font-size:22px;font-weight:700;display:inline-flex}.tool-site-brand-mark{background:var(--tool-header-accent);border-radius:1px;width:8px;height:19px;margin-left:1px;transform:translateY(1px)}.tool-site-nav{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:clamp(12px,2vw,24px);display:flex}.tool-site-link{letter-spacing:.07em;text-transform:uppercase;color:var(--tool-header-muted);font-family:JetBrains Mono,Space Grotesk,Segoe UI,monospace;font-size:11px;font-weight:600;transition:color .18s}.tool-site-link:hover,.tool-site-link:focus-visible{color:var(--tool-header-ink)}.tool-site-link.primary{color:var(--tool-header-accent)}@media (width<=640px){.tool-site-header-row{flex-direction:column;align-items:flex-start;min-height:auto;padding-block:14px}}