.vs-header{position:sticky;top:0;z-index:50;background:linear-gradient(90deg,rgba(5,11,22,0.96),rgba(6,18,34,0.98));backdrop-filter:blur(18px);border-bottom:1px solid var(--color-border-subtle)}.vs-header-inner{max-width:var(--layout-max-width-wide);margin:0 auto;padding:var(--space-3) var(--space-4);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.vs-brand{display:flex;align-items:center;gap:var(--space-3);color:var(--color-text);text-decoration:none;white-space:nowrap}.vs-brand-mark{position:relative;width:32px;height:32px;border-radius:10px;background:radial-gradient(circle at 18% 0,#12b3c7,#050b16);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 1px rgba(18,179,199,0.8),0 0 20px rgba(18,179,199,0.55);overflow:hidden}.vs-brand-line{position:absolute;width:2px;height:130%;background:linear-gradient(180deg,var(--color-accent-yellow),var(--color-primary));opacity:0.9}.vs-brand-line-a{transform:translateX(-5px) rotate(18deg)}.vs-brand-line-b{transform:translateX(6px) rotate(18deg)}.vs-brand-text{display:flex;flex-direction:column;line-height:1.1}.vs-brand-title{font-family:var(--font-sans-compact);letter-spacing:0.18em;text-transform:uppercase;font-size:var(--text-xs)}.vs-brand-subtitle{font-size:var(--text-xs);color:var(--color-text-muted)}.vs-nav{display:flex;align-items:center;gap:var(--space-4)}.vs-nav-list{display:flex;align-items:center;gap:var(--space-4);list-style:none}.vs-nav-link{position:relative;font-size:var(--text-sm);color:var(--color-text-muted);text-decoration:none;padding-bottom:4px}.vs-nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:999px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent-yellow));transition:width var(--transition-base)}.vs-nav-link:hover,.vs-nav-link:focus-visible{color:var(--color-text)}.vs-nav-link:hover::after,.vs-nav-link:focus-visible::after{width:100%}.vs-nav-cta{margin-left:var(--space-2)}.vs-nav-toplink{display:inline-flex;align-items:center;gap:var(--space-2);padding:6px 14px;border-radius:999px;border:1px solid rgba(18,179,199,0.7);font-family:var(--font-sans-compact);font-size:var(--text-xs);letter-spacing:0.16em;text-transform:uppercase;background:rgba(4,13,26,0.9);color:var(--color-primary-soft)}.vs-nav-toplink::before{content:"R10";display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:18px;border-radius:999px;background:var(--color-accent-yellow);color:#101318;font-weight:600;font-size:10px}.vs-nav-toplink:hover,.vs-nav-toplink:focus-visible{background:rgba(15,35,60,0.98);color:var(--color-text)}.vs-nav-toggle{display:none;align-items:center;gap:var(--space-2);cursor:pointer;color:var(--color-text-soft)}.vs-nav-toggle-box{width:38px;height:32px;border-radius:999px;border:1px solid rgba(80,110,150,0.9);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:rgba(3,9,20,0.95)}.vs-nav-toggle-line{width:18px;height:2px;border-radius:999px;background:var(--color-text-soft);transition:transform var(--transition-base),opacity var(--transition-base),width var(--transition-base)}.vs-nav-toggle-text{font-family:var(--font-sans-compact);font-size:var(--text-xs);letter-spacing:0.16em;text-transform:uppercase}.vs-header.is-menu-open .vs-nav-toggle-line:first-child{transform:translateY(4px) rotate(45deg);width:20px}.vs-header.is-menu-open .vs-nav-toggle-line:last-child{transform:translateY(-4px) rotate(-45deg);width:20px}.vs-header.is-menu-open .vs-nav-toggle-text{color:var(--color-accent-yellow)}@media (max-width:959.98px){.vs-nav{position:absolute;inset:100% 0 auto 0;background:rgba(3,9,20,0.98);border-bottom:1px solid var(--color-border-subtle);backdrop-filter:blur(18px);flex-direction:column;align-items:flex-start;padding:var(--space-3) var(--space-4) var(--space-5);transform-origin:top center;transform:scaleY(0.9);opacity:0;pointer-events:none;transition:opacity var(--transition-base),transform var(--transition-base)}.vs-header.is-menu-open .vs-nav{opacity:1;pointer-events:auto;transform:scaleY(1)}.vs-nav-list{flex-direction:column;align-items:flex-start;width:100%;gap:var(--space-2)}.vs-nav-item{width:100%}.vs-nav-link{display:flex;justify-content:space-between;width:100%;padding:10px 0;border-bottom:1px solid rgba(34,52,90,0.9)}.vs-nav-cta{width:100%;margin:var(--space-2) 0 0}.vs-nav-toplink{width:100%;justify-content:center}.vs-nav-toggle{display:inline-flex;margin-left:auto}}@media (max-width:599.98px){.vs-brand-subtitle{display:none}.vs-header-inner{padding-inline:var(--space-3)}}