.nf-shell{background:radial-gradient(800px 400px at 50% 30%, #6ee7c70f, transparent), var(--cream);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:18px;min-height:100vh;padding:40px 24px;display:flex}.nf-tag{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mint-dark);font-size:11px}.nf-title{color:var(--midnight);letter-spacing:-1.5px;font-size:clamp(36px,6vw,56px);font-weight:300;line-height:1.1}.nf-title strong{color:var(--mint-dark);font-weight:500}.nf-sub{color:var(--slate);max-width:480px;font-size:16px;line-height:1.6}.nf-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:16px;display:flex}