.topbar{position:sticky;top:0;z-index:50;background:#0a0a0fd9;backdrop-filter:blur(12px);border-bottom:1px solid var(--bdr);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}html[data-theme=light] .topbar{background:#ffffffd9}.topbar-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px;color:var(--txm);text-decoration:none}.topbar-brand .hex-glyph{font-size:18px;background:linear-gradient(135deg,var(--signal),var(--signal));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 6px rgba(199,249,78,.3))}.topbar-brand .forge-text{color:var(--txm)}.topbar-nav{display:flex;gap:18px;align-items:center;font-size:13px}.topbar-nav a{color:var(--txd);text-decoration:none;padding:6px 4px}.topbar-nav a:hover{color:var(--txm)}.topbar-nav a[aria-current=page]{color:var(--acc);font-weight:600}.topbar-theme{background:none;border:1px solid var(--bdr);color:var(--txd);width:32px;height:32px;border-radius:6px;cursor:pointer;font-size:14px;display:inline-flex;align-items:center;justify-content:center}.topbar-theme:hover{color:var(--txm);border-color:var(--txd)}.topbar-cta:hover{background:#e5e5e5}.topbar-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;width:36px;height:36px;padding:8px;align-items:center;justify-content:center}.topbar-burger span{display:block;width:20px;height:2px;background:var(--txm);border-radius:2px;transition:transform .25s,opacity .2s}.topbar-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.topbar-burger.open span:nth-child(2){opacity:0}.topbar-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.topbar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:48}.topbar-overlay.open{display:block}@media(max-width:768px){.topbar-burger{display:flex}.topbar-nav{position:fixed;top:0;right:-280px;width:260px;height:100%;flex-direction:column;align-items:stretch;gap:4px;background:var(--bg);border-left:1px solid var(--bdr);padding:72px 16px 32px;z-index:49;transition:right .3s ease;box-shadow:-8px 0 40px #0000004d}.topbar-nav.open{right:0}.topbar-nav a{padding:12px 16px;border-radius:8px;font-size:15px}.topbar-nav a:hover{background:#ffffff0f}.topbar-theme{width:auto;justify-content:flex-start;padding:12px 16px;border:none;border-radius:8px;font-size:15px}.topbar-cta{margin-top:8px;text-align:center}}