export function Nav() {
  return (
    <nav className="fixed top-0 left-0 right-0 z-50 border-b border-border/50 bg-background/80 backdrop-blur-md">
      <div className="mx-auto max-w-5xl flex items-center justify-between px-6 h-14">
        <a href="#" className="flex items-center gap-2.5 group">
          {/* Greywall shield logo */}
          <svg viewBox="0 0 32 32" fill="none" className="h-6 w-6" xmlns="http://www.w3.org/2000/svg">
            <path d="M16 2L4 7V15C4 22.18 9.11 28.79 16 30C22.89 28.79 28 22.18 28 15V7L16 2Z" fill="#D95E2A" />
            <path d="M16 6L8 9.5V15C8 20.05 11.42 24.68 16 26C20.58 24.68 24 20.05 24 15V9.5L16 6Z" fill="#161614" />
            <circle cx="16" cy="12" r="2" fill="#D95E2A" />
            <circle cx="12" cy="17" r="1.5" fill="#D95E2A" />
            <circle cx="20" cy="17" r="1.5" fill="#D95E2A" />
            <circle cx="16" cy="21" r="1.5" fill="#D95E2A" />
            <path d="M16 14V19.5M14 16L12.5 17M18 16L19.5 17" stroke="#D95E2A" strokeWidth="1" strokeLinecap="round" />
          </svg>
          <span className="font-serif font-semibold text-lg tracking-tight text-foreground">
            Greywall
          </span>
        </a>
        <div className="flex items-center gap-6">
          <a
            href="#features"
            className="text-sm text-muted-foreground hover:text-foreground transition-colors hidden sm:block"
          >
            Features
          </a>
          <a
            href="#comparison"
            className="text-sm text-muted-foreground hover:text-foreground transition-colors hidden sm:block"
          >
            Compare
          </a>
          <a
            href="#about"
            className="text-sm text-muted-foreground hover:text-foreground transition-colors hidden sm:block"
          >
            About
          </a>
          <a
            href="/greyscan"
            className="text-sm text-primary hover:text-primary/80 transition-colors hidden sm:block font-medium"
          >
            Greyscan
          </a>
          <a
            href="https://github.com/GreyhavenHQ/greywall"
            target="_blank"
            rel="noopener noreferrer"
            className="text-sm text-muted-foreground hover:text-foreground transition-colors flex items-center gap-1.5"
          >
            <svg className="h-4 w-4" fill="currentColor" viewBox="0 0 24 24">
              <path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z" />
            </svg>
            <span className="hidden sm:inline">GitHub</span>
          </a>
        </div>
      </div>
    </nav>
  )
}
