.gw-header{position:sticky;top:0;z-index:40;background:radial-gradient(circle at 0 0,rgba(57,214,255,0.28) 0,rgba(57,214,255,0) 55%),radial-gradient(circle at 100% 0,rgba(139,92,255,0.2) 0,rgba(139,92,255,0) 55%),rgba(5,6,8,0.98);backdrop-filter:blur(18px);border-bottom:1px solid rgba(50,59,81,0.95);box-shadow:0 18px 40px rgba(0,0,0,0.9)}.gw-header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-6);padding-top:var(--space-4);padding-bottom:var(--space-4)}.gw-header__brand{display:inline-flex;align-items:center;gap:var(--space-4);color:var(--color-text);text-decoration:none}.gw-header__glyph{width:34px;height:34px;border-radius:18px;border:1px solid rgba(57,214,255,0.8);box-shadow:0 0 24px rgba(57,214,255,0.85);background:conic-gradient(from 210deg at 50% 50%,rgba(57,214,255,0.85),rgba(139,92,255,0.9),rgba(57,214,255,0.85));position:relative;overflow:hidden}.gw-header__glyph::before{content:"";position:absolute;inset:5px;border-radius:999px;border:1px solid rgba(5,6,8,0.9);background:radial-gradient(circle at 50% 30%,rgba(5,6,8,0.6) 0,rgba(5,6,8,1) 55%)}.gw-header__meta{display:flex;flex-direction:column;gap:2px}.gw-header__kicker{font-family:var(--font-mono);font-size:var(--font-size-xs);letter-spacing:0.2em;text-transform:uppercase;color:var(--color-text-muted)}.gw-header__title{font-family:var(--font-display);font-size:1.05rem;letter-spacing:0.28em;text-transform:uppercase;color:var(--color-text)}.gw-header__nav-shell{display:flex;align-items:center}.gw-header__nav{display:flex;align-items:center;gap:var(--space-4);font-family:var(--font-mono);font-size:var(--font-size-xs);letter-spacing:0.18em;text-transform:uppercase}.gw-header__item{position:relative}.gw-header__link{display:inline-flex;align-items:center;padding:var(--space-2) var(--space-4);border-radius:var(--radius-holo);color:var(--color-text-muted);border:1px solid transparent;transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast),box-shadow var(--transition-fast)}.gw-header__link::after{content:"";position:absolute;left:var(--space-4);right:var(--space-4);bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(57,214,255,0.8),transparent);opacity:0;transform:scaleX(0.4);transform-origin:center;transition:opacity var(--transition-fast),transform var(--transition-fast)}.gw-header__link:hover,.gw-header__link:focus-visible{color:var(--color-primary);border-color:rgba(57,214,255,0.6);background:radial-gradient(circle at 0 0,rgba(57,214,255,0.2) 0,transparent 60%);box-shadow:0 0 24px rgba(57,214,255,0.35)}.gw-header__link:hover::after,.gw-header__link:focus-visible::after{opacity:1;transform:scaleX(1)}.gw-header__link--accent{border-color:rgba(139,92,255,0.8);color:var(--color-accent-violet)}.gw-header__link--accent:hover,.gw-header__link--accent:focus-visible{color:var(--color-text);background:radial-gradient(circle at 0 0,rgba(139,92,255,0.4) 0,transparent 60%);box-shadow:0 0 26px rgba(139,92,255,0.55)}.gw-header__toggle{display:none;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-holo);border:1px solid rgba(124,130,153,0.9);background:rgba(5,6,8,0.9);color:var(--color-text-soft);font-family:var(--font-mono);font-size:var(--font-size-xs);letter-spacing:0.18em;text-transform:uppercase}.gw-header__toggle-lines{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:18px;height:16px}.gw-header__toggle-lines span{height:2px;border-radius:999px;background:var(--color-text-soft);transition:transform var(--transition-fast),opacity var(--transition-fast),background var(--transition-fast)}.gw-header__toggle-label{display:inline-block}.gw-header__toggle[aria-expanded="true"]{border-color:rgba(57,214,255,0.9);background:radial-gradient(circle at 0 0,rgba(57,214,255,0.42) 0,transparent 55%)}.gw-header__toggle[aria-expanded="true"] .gw-header__toggle-lines span:first-child{transform:translateY(3px) rotate(42deg);background:var(--color-primary)}.gw-header__toggle[aria-expanded="true"] .gw-header__toggle-lines span:last-child{transform:translateY(-3px) rotate(-42deg);background:var(--color-primary)}@media (max-width:880px){.gw-header__toggle{display:inline-flex}.gw-header__nav-shell{position:absolute;inset:calc(100% + 1px) 0 auto 0;background:rgba(5,6,8,0.98);border-bottom:1px solid rgba(50,59,81,0.95);box-shadow:0 24px 50px rgba(0,0,0,0.95);transform-origin:top;transform:scaleY(0.7);opacity:0;pointer-events:none;transition:opacity var(--transition-normal),transform var(--transition-normal)}.gw-header__nav-shell.is-open{opacity:1;transform:scaleY(1);pointer-events:auto}.gw-header__nav{flex-direction:column;align-items:flex-start;padding:var(--space-4) var(--space-8);gap:var(--space-2)}.gw-header__link{width:100%}}@media (max-width:520px){.gw-header__kicker{display:none}.gw-header__title{letter-spacing:0.22em;font-size:0.98rem}}