.site-header{position:sticky;top:0;z-index:40;background:linear-gradient(to bottom,rgba(2,6,23,0.96),rgba(2,6,23,0.9),rgba(2,6,23,0.75));backdrop-filter:blur(16px);border-bottom:1px solid rgba(15,118,110,0.7)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;padding-block:0.9rem;gap:1.5rem}.brand-mark{display:flex;align-items:center;gap:0.75rem}.brand-glyph{width:32px;height:32px;border-radius:999px;border:1px solid var(--color-border-brass);background:radial-gradient(circle at 30% 0,#eab308,transparent 55%),radial-gradient(circle at 80% 100%,#059669,transparent 60%),radial-gradient(circle at 10% 100%,#0f172a,transparent 65%);box-shadow:0 0 0 1px rgba(5,46,22,0.9),0 0 24px rgba(250,204,21,0.35)}.brand-wordmark{display:flex;flex-direction:column;line-height:1}.brand-name{font-family:var(--font-display);font-size:1.1rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gray-50)}.brand-tagline{font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;color:var(--color-text-muted)}.header-nav{display:flex;align-items:center;justify-content:flex-end;flex:1}.main-nav{display:flex;align-items:center;gap:1.75rem;font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:.18em}.main-nav a{position:relative;padding-block:0.25rem;color:var(--color-text-muted);white-space:nowrap}.main-nav a::after{content:"";position:absolute;left:0;bottom:-0.4rem;width:0;height:1px;background:linear-gradient(90deg,#eab308,#059669);transition:width var(--transition-base)}.main-nav a:hover{color:var(--color-text)}.main-nav a:hover::after{width:100%}.main-nav a.is-active{color:var(--color-text)}.main-nav a.is-active::after{width:100%}.nav-link-cta{padding-inline:0.5rem;padding-block:0.25rem;border-radius:999px;border:1px solid rgba(234,179,8,0.6);background:rgba(6,78,59,0.65)}.nav-link-cta:hover{background:rgba(6,78,59,0.9);border-color:var(--color-border-brass)}.nav-cta{display:flex;align-items:center;gap:0.75rem;margin-left:1rem}.header-cta{font-size:0.75rem;padding-inline:1.5rem;padding-block:0.6rem}.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid rgba(55,65,81,0.9);background:rgba(15,23,42,0.9);gap:6px}.nav-toggle-bar{width:18px;height:2px;border-radius:999px;background:var(--gray-100);transition:transform var(--transition-base),opacity var(--transition-base)}.nav-toggle.is-active .nav-toggle-bar:first-child{transform:translateY(4px) rotate(45deg)}.nav-toggle.is-active .nav-toggle-bar:last-child{transform:translateY(-4px) rotate(-45deg)}@media (max-width:960px){.header-nav{position:absolute;inset-inline:0;top:100%;background:rgba(2,6,23,0.98);border-bottom:1px solid rgba(15,118,110,0.7);transform-origin:top;transform:scaleY(0.9);opacity:0;pointer-events:none;transition:opacity var(--transition-base),transform var(--transition-base)}.header-nav.is-open{opacity:1;transform:scaleY(1);pointer-events:auto}.main-nav{flex-direction:column;align-items:flex-start;padding:1rem 1.5rem;gap:1rem}.nav-cta{display:none}.nav-toggle{display:flex;margin-left:auto}}@media (max-width:640px){.brand-tagline{display:none}}