.nf-page{text-align:center;background:#fff;flex-direction:column;justify-content:center;align-items:center;min-height:80vh;padding:2rem;display:flex}.nf-container{width:100%;max-width:600px}.nf-error-code{background:linear-gradient(135deg,#2563eb,#6366f1);-webkit-text-fill-color:transparent;letter-spacing:-.05em;filter:drop-shadow(0 10px 20px #2563eb26);-webkit-background-clip:text;margin:0;font-size:clamp(100px,20vw,180px);font-weight:900;line-height:1}.nf-title{color:#111827;margin-top:1.5rem;margin-bottom:1rem;font-size:2rem;font-weight:800}.nf-text{color:#4b5563;margin-bottom:2.5rem;font-size:1.125rem;line-height:1.6}.nf-actions{justify-content:center;gap:1rem;display:flex}.nf-btn{cursor:pointer;border-radius:14px;justify-content:center;align-items:center;padding:.875rem 2rem;font-size:1rem;font-weight:700;text-decoration:none;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.nf-btn--primary{color:#fff;background:#2563eb;box-shadow:0 4px 6px -1px #2563eb33,0 10px 15px -3px #2563eb1a}.nf-btn--primary:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 20px 25px -5px #2563eb33,0 8px 10px -6px #2563eb1a}.nf-btn--secondary{color:#374151;background:#f3f4f6;border:1px solid #e5e7eb}.nf-btn--secondary:hover{color:#111827;background:#e5e7eb;transform:translateY(-2px)}@media (max-width:640px){.nf-actions{flex-direction:column;width:100%}.nf-btn{width:100%}.nf-title{font-size:1.5rem}.nf-text{font-size:1rem}}