#site-header{position:sticky;top:0;z-index:40;background:linear-gradient(to bottom,rgba(245,245,247,0.96),rgba(245,245,247,0.9),rgba(245,245,247,0.85));backdrop-filter:blur(14px);border-bottom:1px solid rgba(15,17,21,0.04)}.nav-brand-text{font-family:var(--font-display);font-weight:600;font-size:0.98rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--color-text)}.nav-links-wrapper{display:flex;align-items:center;gap:var(--space-6)}.nav-cta-group{display:flex;align-items:center;gap:var(--space-3)}.nav-cta-btn{text-transform:uppercase;letter-spacing:0.16em;font-size:0.7rem}.nav-lang{font-size:0.75rem;text-transform:uppercase;letter-spacing:0.16em;color:var(--gray-500)}.nav-toggle{display:none;position:relative}.nav-toggle-bar{display:block;width:16px;height:1.5px;border-radius:999px;background:var(--color-text);transition:transform var(--transition-fast),opacity var(--transition-fast),background var(--transition-fast)}.nav-toggle-bar+.nav-toggle-bar{margin-top:5px}@media (max-width:900px){.nav-toggle{display:inline-flex}.nav-links-wrapper{position:absolute;inset-inline:var(--space-5);top:calc(var(--nav-height) + 8px);border-radius:16px;background:#ffffff;box-shadow:var(--shadow-md);border:1px solid rgba(15,17,21,0.06);padding:var(--space-4);flex-direction:column;align-items:flex-start;gap:var(--space-4);max-height:0;opacity:0;pointer-events:none;transform:translateY(-6px);transition:max-height var(--transition-base),opacity var(--transition-base),transform var(--transition-base)}.nav-links-wrapper.is-open{max-height:400px;opacity:1;pointer-events:auto;transform:translateY(0)}.nav-links{flex-direction:column;align-items:flex-start;gap:var(--space-2)}.nav-cta-group{width:100%;justify-content:space-between}.nav-shell.nav-menu-open{box-shadow:0 18px 40px rgba(15,17,21,0.16)}}.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child{transform:translateY(3.5px) rotate(42deg)}.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child{transform:translateY(-3.5px) rotate(-42deg)}.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:var(--color-primary)}.nav-link{position:relative;padding:4px 0}.nav-link::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:linear-gradient(90deg,#2756ff,#a8ff3b);transition:width var(--transition-base)}.nav-link:hover::after,.nav-link.nav-link--active::after{width:100%}.nav-link.nav-link--active{color:var(--color-text)}.nav-links{display:flex;align-items:center;gap:var(--space-4);font-size:0.8rem;text-transform:uppercase;letter-spacing:0.16em;color:var(--gray-600)}@media (prefers-reduced-motion:reduce){.nav-links-wrapper{transition:none}.nav-toggle-bar{transition:none}}