.site-header{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#06101fb3;border-bottom:1px solid #60a5fa1a;transition:background .3s,border-color .3s,box-shadow .3s;position:sticky;top:0}.site-header.scrolled{background:#f8fbffeb;border-bottom-color:#0b5bd41f;box-shadow:0 4px 20px #0a224c14}.site-header:not(.scrolled) .brand-name,.site-header:not(.scrolled) .brand-lockup{color:#fff}.site-header:not(.scrolled) .brand-tagline{color:#fff9}.site-header:not(.scrolled) .nav-link{color:#fff;font-weight:600}.site-header:not(.scrolled) .nav-link:hover{color:#93c5fd}.site-header:not(.scrolled) .header-utility-link{color:#fff}.site-header:not(.scrolled) .header-utility-link:hover{color:#93c5fd}.site-header:not(.scrolled) .mobile-quick-link{color:#fff;font-weight:700}.site-header:not(.scrolled) .mobile-quick-link:hover{color:#93c5fd}.site-header-inner{justify-content:space-between;align-items:center;gap:1rem;min-height:80px;display:flex}.brand-lockup{align-items:center;gap:.75rem;display:inline-flex}.brand-badge{background:linear-gradient(130deg, var(--brand-primary) 0%, var(--brand-primary-strong) 100%);color:#fff;letter-spacing:.03em;border-radius:12px;place-items:center;width:40px;height:40px;font-size:1rem;font-weight:700;display:grid}.brand-name{font-family:var(--font-heading), Georgia, serif;font-size:1.27rem;line-height:1;display:block}.brand-tagline{color:var(--text-soft);margin-top:.2rem;font-size:.78rem;display:block}.site-nav{align-items:center;gap:.5rem;display:inline-flex}.nav-link{color:var(--text-muted);letter-spacing:.005em;padding:.3rem .5rem;font-size:.875rem;font-weight:500;transition:color .18s}.nav-link:hover{color:var(--brand-primary-strong)}.header-cta-group{align-items:center;gap:.7rem;display:inline-flex}.header-utility-link{color:var(--text-muted);text-underline-offset:2px;font-size:.86rem;font-weight:700;text-decoration:underline;text-decoration-thickness:1.2px}.header-utility-link:hover{color:var(--brand-primary-strong)}.mobile-quick-nav{display:none}.mobile-quick-link{white-space:nowrap;color:var(--text-muted);justify-content:center;align-items:center;padding:.3rem .5rem;font-size:.82rem;font-weight:700;display:inline-flex}.mobile-quick-link:hover{color:var(--brand-primary-strong)}@media (max-width:980px){.site-nav,.header-utility-link{display:none}.mobile-quick-nav{-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:.45rem;padding:0 0 .7rem;display:flex;overflow-x:auto}.mobile-quick-nav::-webkit-scrollbar{display:none}}@media (max-width:720px){.site-header-inner{min-height:72px}.brand-tagline{display:none}.header-cta-group{gap:.5rem}.header-cta-group .button-subtle{display:none}.mobile-quick-nav{padding-bottom:.6rem}.mobile-quick-link{padding:.42rem .66rem;font-size:.78rem}}.nav-link,.mobile-quick-link,.header-utility-link{align-items:center;min-height:44px;display:inline-flex}@media (max-width:768px){.mobile-quick-link{align-items:center;min-height:44px;padding:0 .75rem;display:inline-flex}}.site-header.scrolled .button.button-subtle{background:#3f557812;border-color:#3f55784d}.site-header.scrolled .button.button-subtle:hover{background:#3f557821;border-color:#3f557873}[data-theme=dark] .site-header.scrolled{background:#0d1829f5;border-bottom-color:#94a3b81a;box-shadow:0 4px 20px #00000059}[data-theme=dark] .site-header.scrolled .brand-name,[data-theme=dark] .site-header.scrolled .brand-lockup{color:var(--text-strong)}[data-theme=dark] .site-header.scrolled .brand-tagline{color:var(--text-muted)}[data-theme=dark] .site-header.scrolled .nav-link{color:var(--text-strong)}[data-theme=dark] .site-header.scrolled .nav-link:hover{color:#60a5fa}[data-theme=dark] .site-header.scrolled .header-utility-link{color:var(--text-muted)}[data-theme=dark] .site-header.scrolled .button.button-subtle{color:var(--text-strong);background:#94a3b81a;border-color:#94a3b833}[data-theme=dark] .site-header.scrolled .button.button-subtle:hover{background:#94a3b82e;border-color:#94a3b852}