.rs-header{position:sticky;top:0;z-index:40;border-bottom:1px solid var(--color-border);background:linear-gradient(to bottom,rgba(15,23,42,0.98),rgba(9,9,11,0.98));backdrop-filter:blur(18px)}.rs-header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px var(--space-4)}.rs-header-brand{display:flex;align-items:center;gap:10px;text-decoration:none}.rs-header-logo{width:30px;height:30px;border-radius:8px;border:1px solid rgba(56,189,248,0.9);background:radial-gradient(circle at 25% 0,rgba(56,189,248,0.9),transparent 55%),radial-gradient(circle at 75% 100%,rgba(249,115,22,0.8),transparent 60%),#020617;box-shadow:0 0 18px rgba(56,189,248,0.85)}.rs-header-brand-text{display:flex;flex-direction:column;line-height:1}.rs-header-brand-kicker{font-family:var(--font-mono);font-size:10px;letter-spacing:0.16em;text-transform:uppercase;color:var(--color-text-muted)}.rs-header-brand-name{font-family:var(--font-sans);font-size:16px;letter-spacing:0.2em;text-transform:uppercase;color:var(--gray-50)}.rs-header-nav{display:flex;align-items:center}.rs-header-nav-list{display:flex;align-items:center;gap:var(--space-4);list-style:none}.rs-header-nav-item{position:relative}.rs-header-nav-link{position:relative;padding:6px 0;font-family:var(--font-mono);font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:var(--color-text-muted);text-decoration:none}.rs-header-nav-link::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:linear-gradient(90deg,#0ea5e9,#f97316);transition:width var(--transition-base)}.rs-header-nav-link:hover{color:var(--gray-50)}.rs-header-nav-link:hover::after{width:100%}.rs-header-nav-cta-wrap{margin-left:var(--space-3)}.rs-header-nav-cta{padding-inline:18px}.rs-header-nav-cta-label{white-space:nowrap}.rs-header-nav-cta-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:999px;margin-left:6px;background:#0f172a;color:#e0f2fe;font-size:11px}.rs-header-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;width:38px;height:34px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:rgba(15,23,42,0.95);color:var(--gray-50);gap:5px}.rs-header-toggle-bar{width:18px;height:2px;border-radius:999px;background:var(--gray-100);transition:transform var(--transition-base),opacity var(--transition-base),translate var(--transition-base)}.rs-header-toggle[aria-expanded="true"] .rs-header-toggle-bar:nth-child(1){transform:rotate(42deg) translateY(4px)}.rs-header-toggle[aria-expanded="true"] .rs-header-toggle-bar:nth-child(2){transform:rotate(-42deg) translateY(-4px)}@media (max-width:960px){.rs-header-toggle{display:flex}.rs-header-nav{position:fixed;inset:56px 0 auto 0;background:rgba(9,9,11,0.98);backdrop-filter:blur(18px);border-bottom:1px solid var(--color-border);transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform var(--transition-base),opacity var(--transition-base)}.rs-header-nav-list{flex-direction:column;align-items:flex-start;padding:var(--space-4);gap:var(--space-3)}.rs-header-nav-cta-wrap{width:100%;margin-left:0;margin-top:var(--space-2)}.rs-header-nav-cta{width:100%;justify-content:center}.rs-header-nav-open{transform:translateY(0);opacity:1;pointer-events:auto}}.rs-header-nav-link:focus-visible,.rs-header-nav-cta:focus-visible,.rs-header-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;box-shadow:var(--shadow-glow-primary)}