header{position:relative;z-index:1}.page-header{line-height:1;margin-bottom:0.5rem}.tz-nav{width:100%;padding:0.5rem 1rem 0;display:flex;justify-content:center}@media (min-width: 1024px){.tz-nav{padding:1rem 0 0}}.tz-nav-shell{width:100%;background:#ffffff;padding:1rem}@media (min-width: 1024px){.tz-nav-shell{width:auto;border-radius:999px;box-shadow:0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1)}}.tz-nav-row{display:flex;flex-direction:column;gap:1rem}@media (min-width: 1024px){.tz-nav-row{flex-direction:row;align-items:center}}.tz-nav-top{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px}.brand-title{font-family:var(--header-font);font-weight:600;color:#111827;font-size:1.25rem}.brand-pill{background:var(--accent-color);color:#111827;padding:0.25rem 0.6rem;border-radius:999px;font-size:0.75rem;font-weight:600}.mono-zero{font-family:var(--code-font)}.nav-divider{display:none}@media (min-width: 1024px){.nav-divider{display:block;width:1px;height:20px;background-color:#9ca3af;margin:0 14px;opacity:0.6}}.menu-toggle{background:transparent;border:none;padding:0.35rem;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}@media (min-width: 1024px){.menu-toggle{display:none}}.menu{display:none;flex-direction:column;gap:1rem;margin:0;padding:0;list-style:none}.menu.open{display:flex}@media (min-width: 1024px){.menu{display:flex;flex-direction:row;align-items:center;gap:1rem;margin-top:0}}.nav-link{color:#1f2937;text-decoration:none;font-family:var(--header-font);font-weight:500;transition:color 150ms ease}.nav-link:hover{color:var(--primary-color)}.nav-link.active{color:var(--primary-color);font-weight:700}.tz-nav{margin-bottom:1.5rem}