.site-header{position:fixed;top:0;left:0;right:0;z-index:40;height:var(--header-height);backdrop-filter:blur(18px);background:linear-gradient(to bottom,rgba(5,6,8,0.96),rgba(5,6,8,0.84));border-bottom:1px solid rgba(35,38,52,0.95)}.site-header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:var(--space-2);font-family:var(--font-heading);font-weight:600;letter-spacing:0.16em;text-transform:uppercase;font-size:0.8rem}.logo-mark{width:26px;height:26px;border-radius:10px;border:1px solid rgba(182,255,43,0.8);box-shadow:0 0 18px rgba(182,255,43,0.55);display:flex;align-items:center;justify-content:center;font-size:0.65rem;color:var(--color-accent);background:radial-gradient(circle at 30% 0,rgba(182,255,43,0.3),rgba(5,6,8,1))}.logo-text{color:var(--color-text)}.nav{display:none;align-items:center;gap:var(--space-6);font-size:var(--text-sm)}.nav-link{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.14em;font-size:0.7rem;position:relative;padding-block:0.15rem}.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-0.2rem;height:1px;background:linear-gradient(90deg,transparent,rgba(182,255,43,0.9),transparent);transform:scaleX(0);transform-origin:center;transition:transform var(--transition-base)}.nav-link:hover,.nav-link.is-active{color:var(--color-accent)}.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}.nav-link-cta{padding:0.4rem 0.9rem;border-radius:999px;border:1px solid rgba(182,255,43,0.8);background:rgba(182,255,43,0.08);color:var(--color-accent);box-shadow:0 0 12px rgba(182,255,43,0.35)}.nav-link-cta:hover{background:rgba(182,255,43,0.16)}.nav-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-pill);border:1px solid rgba(35,38,52,0.9);background:rgba(10,12,18,0.95);gap:4px;transition:background-color var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.nav-toggle span{display:block;width:18px;height:1.5px;border-radius:999px;background:var(--color-text);transition:transform var(--transition-base),opacity var(--transition-base),background-color var(--transition-base)}.nav-toggle:focus-visible{box-shadow:var(--shadow-focus)}.nav-toggle.is-open{border-color:rgba(182,255,43,0.7);box-shadow:var(--shadow-glow)}.nav-toggle.is-open span:nth-child(1){transform:translateY(3px) rotate(45deg);background:var(--color-accent)}.nav-toggle.is-open span:nth-child(2){opacity:0}.nav-toggle.is-open span:nth-child(3){transform:translateY(-3px) rotate(-45deg);background:var(--color-accent)}.nav-mobile{position:fixed;inset:var(--header-height) 0 auto 0;background:radial-gradient(circle at 0 0,#151824 0,rgba(5,6,8,0.98) 40%,#050608 100%);border-bottom:1px solid rgba(35,38,52,0.9);box-shadow:var(--shadow-soft);padding:var(--space-4) var(--space-4) var(--space-6);display:flex;flex-direction:column;gap:var(--space-3);z-index:35}.nav-mobile[hidden]{display:none}.nav-mobile-link{padding:0.6rem 0;border-radius:var(--radius-sm);font-size:0.8rem;text-transform:uppercase;letter-spacing:0.14em;color:var(--color-text-muted)}.nav-mobile-link:hover,.nav-mobile-link.is-active{color:var(--color-accent);background:rgba(182,255,43,0.06)}@media (min-width:992px){.nav{display:flex}.nav-toggle{display:none}.nav-mobile{display:none !important}}