.site-header{position:sticky;top:0;z-index:40;background:linear-gradient(to bottom,rgba(5,7,8,0.98),rgba(5,7,8,0.9),rgba(5,7,8,0.75),transparent);backdrop-filter:blur(18px);border-bottom:1px solid rgba(31,41,55,0.9)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;padding-block:0.75rem}.brand-mark{display:inline-flex;align-items:center;gap:0.75rem;color:var(--gray-100)}.brand-logo{width:34px;height:34px;border-radius:999px;border:1px solid rgba(212,175,55,0.8);background:radial-gradient(circle at 30% 15%,rgba(212,175,55,0.95),rgba(16,185,129,0.18),rgba(0,0,0,1));box-shadow:0 0 0 1px rgba(0,0,0,0.85),0 18px 30px rgba(0,0,0,0.95)}.brand-wordmark{display:flex;flex-direction:column;gap:2px}.brand-name{font-family:var(--font-serif);font-size:0.98rem;letter-spacing:0.26em;text-transform:uppercase}.brand-sub{font-size:0.62rem;letter-spacing:0.24em;text-transform:uppercase;color:var(--gray-400)}.nav{display:flex;align-items:center}.nav-list{display:flex;align-items:center;gap:var(--space-6);font-size:0.8rem;letter-spacing:0.2em;text-transform:uppercase}.nav-item a{color:var(--gray-300);padding-block:0.35rem;border-bottom:1px solid transparent}.nav-item a:hover,.nav-item a:focus-visible{color:var(--gray-50);border-bottom-color:rgba(212,175,55,0.85)}.nav-cta-link{display:inline-flex;align-items:center;justify-content:center;padding:0.55rem 1.5rem;border-radius:999px;border:1px solid rgba(212,175,55,0.8);background:linear-gradient(135deg,rgba(212,175,55,0.18),rgba(0,0,0,0.6));color:var(--color-text);box-shadow:0 14px 35px rgba(0,0,0,0.9);text-transform:uppercase;font-size:0.78rem;letter-spacing:0.18em}.nav-cta-link:hover,.nav-cta-link:focus-visible{background:linear-gradient(135deg,rgba(212,175,55,0.35),rgba(0,0,0,0.7));color:var(--color-text)}.nav-toggle{display:none;background:none;border:none;color:var(--gray-100);width:40px;height:40px;align-items:center;justify-content:center;border-radius:999px;border:1px solid rgba(75,85,99,0.9);padding:0;cursor:pointer}.nav-toggle span{width:18px;height:1.5px;background:var(--gray-100);border-radius:999px;transition:transform var(--transition-base),opacity var(--transition-base),translate var(--transition-base)}.nav-toggle span+span{margin-top:4px}.nav-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}.nav-toggle.is-active span:nth-child(1){transform:rotate(45deg) translateY(5px)}.nav-toggle.is-active span:nth-child(2){opacity:0}.nav-toggle.is-active span:nth-child(3){transform:rotate(-45deg) translateY(-5px)}@media (max-width:840px){.nav{position:fixed;inset-inline:0;top:56px;background:radial-gradient(circle at top,#050806 0,#020303 70%);border-bottom:1px solid rgba(31,41,55,0.9);transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform var(--transition-base),opacity var(--transition-base);justify-content:flex-end}.nav-list{flex-direction:column;align-items:flex-start;width:100%;max-width:1120px;margin-inline:auto;padding:var(--space-4)}.nav-item a{width:100%;padding-block:0.6rem;border-bottom-color:rgba(31,41,55,0.9)}.nav-cta-item{width:100%;margin-top:var(--space-2)}.nav-cta-link{width:100%;justify-content:center}.nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}.nav-toggle{display:inline-flex}.site-header-inner{padding-block:0.5rem}}@media (prefers-reduced-motion:reduce){.nav,.nav-toggle span{transition:none}