.site-header{position:sticky;top:0;z-index:50}.header-inner{align-items:center;justify-content:space-between;gap:var(--space-6);padding-top:var(--space-3);padding-bottom:var(--space-3)}.header-brand-wrap{display:flex;flex-direction:column;gap:0.15rem;min-width:0}.header-brand{display:inline-flex;align-items:center;gap:0.45rem;white-space:nowrap}.header-brand-mark{font-family:var(--font-display);font-size:1.05rem;letter-spacing:0.24em;text-transform:uppercase;padding:0.15rem 0.65rem;border-radius:999px;border:1px solid rgba(148,163,184,0.7);background:radial-gradient(circle at 0 0,rgba(56,189,248,0.35) 0,rgba(15,23,42,1) 40%,rgba(2,6,23,1) 100%);box-shadow:0 0 0 1px rgba(15,23,42,0.9)}.header-brand-divider{width:1px;height:1.5rem;background:linear-gradient(to bottom,transparent,#38bdf8,transparent);opacity:.7}.header-brand-text{font-family:var(--font-display);font-size:1.05rem;letter-spacing:0.32em;text-transform:uppercase;color:var(--color-neutral-50)}.header-tagline{font-size:0.7rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--color-text-soft);margin-bottom:0}.primary-nav{display:flex;align-items:center;flex-wrap:nowrap;gap:var(--space-5);min-width:0}.header-nav-list{display:flex;align-items:center;flex-wrap:nowrap;gap:var(--space-4);flex-shrink:0}.header-nav-link{position:relative;font-size:0.7rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--color-text-soft);padding:0.35rem 0;white-space:nowrap;transition:color var(--transition-base),opacity var(--transition-base)}.header-nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,#38bdf8,transparent);transform:scaleX(0);transform-origin:center;transition:transform var(--transition-base)}.header-nav-link:hover,.header-nav-link:focus-visible{color:var(--color-neutral-50)}.header-nav-link:hover::after,.header-nav-link:focus-visible::after{transform:scaleX(1)}.header-cta-wrap{display:flex;align-items:center;flex-wrap:nowrap;gap:var(--space-3);flex-shrink:0}.header-cta-main{white-space:nowrap}.header-cta-secondary{font-size:0.68rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--color-text-soft);border-bottom:1px solid rgba(148,163,184,0.5);padding-bottom:0.2rem;white-space:nowrap;transition:color var(--transition-base),border-color var(--transition-base)}.header-cta-secondary:hover,.header-cta-secondary:focus-visible{color:var(--color-primary);border-color:rgba(56,189,248,0.85)}.nav-toggle{display:none;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:999px;border:1px solid rgba(30,41,59,0.95);background:radial-gradient(circle at 0 0,rgba(15,23,42,1) 0,rgba(2,6,23,1) 60%);box-shadow:var(--shadow-border);padding:0.4rem;transition:background-color var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base),transform var(--transition-fast)}.nav-toggle-bar{width:100%;height:2px;border-radius:999px;background:#e5e7eb;transition:transform var(--transition-fast),opacity var(--transition-fast),background-color var(--transition-fast)}.nav-toggle:focus-visible{box-shadow:var(--shadow-focus)}.nav-toggle.is-active{border-color:rgba(56,189,248,0.9);background:radial-gradient(circle at 0 0,rgba(56,189,248,0.18) 0,rgba(15,23,42,1) 60%)}.nav-toggle.is-active .nav-toggle-bar:nth-child(1){transform:translateY(4px) rotate(45deg)}.nav-toggle.is-active .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle.is-active .nav-toggle-bar:nth-child(3){transform:translateY(-4px) rotate(-45deg)}@media (max-width:960px){.nav-toggle{display:flex}.primary-nav{position:fixed;inset:0 0 auto auto;top:3.75rem;right:0;width:100%;max-width:19rem;background:linear-gradient(to bottom right,rgba(15,23,42,0.98),rgba(15,23,42,0.98),rgba(2,6,23,1));border-left:1px solid rgba(15,23,42,1);border-bottom:1px solid rgba(15,23,42,1);box-shadow:0 26px 55px rgba(0,0,0,0.85);transform:translateX(100%);opacity:0;visibility:hidden;transition:transform var(--transition-slow),opacity var(--transition-slow),visibility var(--transition-slow);display:flex;flex-direction:column;align-items:stretch;gap:var(--space-4);padding:var(--space-5) var(--space-5) var(--space-6)}.primary-nav.is-open{transform:translateX(0);opacity:1;visibility:visible}.header-nav-list{flex-direction:column;align-items:flex-start;gap:var(--space-3)}.header-cta-wrap{margin-top:var(--space-2);flex-direction:column;align-items:flex-start}.header-cta-main{width:100%;justify-content:center}.header-tagline{display:none}}@media (max-width:640px){.header-inner{gap:var(--space-3)}.header-brand-mark{display:none}.header-brand-divider{display:none}.header-brand-text{letter-spacing:0.26em;font-size:0.95rem}}