header.nav{position:sticky;top:0;z-index:40;background:rgba(253,250,247,0.96);backdrop-filter:blur(18px);border-bottom:1px solid rgba(211,205,225,0.7)}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);height:var(--nav-height)}.nav-brand{text-decoration:none;color:var(--color-text)}.nav-brand:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}.nav-primary{display:flex;align-items:center}.nav-links{display:flex;align-items:center;gap:var(--space-4);font-size:var(--font-size-sm)}.nav-link{position:relative;padding-block:0.15rem;font-weight:500;color:var(--gray-700)}.nav-link::after{content:"";position:absolute;left:0;bottom:-0.25rem;width:0;height:1px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent-purple));transition:width var(--transition-base)}.nav-link:hover::after,.nav-link:focus-visible::after{width:100%}.nav-link:focus-visible{outline:none}.nav-cta{margin-left:var(--space-2)}.nav-toggle{display:none;border-radius:999px;padding:0.45rem;justify-content:center;align-items:center;background:rgba(255,255,255,0.9);border:1px solid rgba(33,28,78,0.2);transition:background-color var(--transition-base),border-color var(--transition-base),transform var(--transition-fast);flex-direction:column}.nav-toggle span{height:2px;width:18px;border-radius:999px;background:var(--color-text);transition:transform var(--transition-fast),opacity var(--transition-fast),width var(--transition-fast)}.nav-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}.nav-toggle.is-active span:nth-child(1){transform:translateY(4px) rotate(45deg);width:18px}.nav-toggle.is-active span:nth-child(2){opacity:0}.nav-toggle.is-active span:nth-child(3){transform:translateY(-4px) rotate(-45deg);width:18px}@media (max-width:800px){.nav-toggle{display:flex}.nav-links{position:fixed;inset-inline:0;top:var(--nav-height);padding:var(--space-4);background:rgba(253,250,247,0.98);backdrop-filter:blur(20px);border-bottom:1px solid rgba(211,205,225,0.8);flex-direction:column;align-items:flex-start;gap:var(--space-3);transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform var(--transition-base),opacity var(--transition-base)}.nav-links.is-open{transform:translateY(0);opacity:1;pointer-events:auto}.nav-cta{margin-left:0;margin-top:var(--space-2);width:100%}.nav-cta .btn{width:100%;justify-content:center}}@media (prefers-reduced-motion:reduce){.nav-links{transition:none}.nav-toggle{transition:none}.nav-toggle span{transition:none}}