.nf-main{background:var(--bg);color:var(--text);flex-direction:column;min-height:100vh;display:flex}.nf-topbar{border-bottom:1px solid var(--accentLight);padding:1rem 24px}.nf-logo-link{display:inline-block}.nf-body{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:3rem 24px;display:flex}.nf-code{font-family:var(--font-title);color:var(--accentLight);margin:0 0 .5rem;font-size:clamp(80px,20vw,160px);font-weight:800;line-height:1}.nf-title{color:var(--text);margin:0 0 1rem;font-size:clamp(22px,4vw,36px);font-weight:700}.nf-desc{color:var(--textSecondary);max-width:380px;margin:0 0 2.5rem;font-size:15px;line-height:1.7}.nf-actions{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.nf-btn-primary{background:var(--accent);color:var(--bg);border-radius:8px;padding:.7rem 1.8rem;font-size:14px;font-weight:600;text-decoration:none;transition:background .15s}.nf-btn-primary:hover{background:var(--accentDark)}.nf-btn-secondary{color:var(--text);border:1px solid var(--accentLight);background:0 0;border-radius:8px;padding:.7rem 1.8rem;font-size:14px;font-weight:600;text-decoration:none;transition:border-color .15s,background .15s}.nf-btn-secondary:hover{border-color:var(--accent);background:var(--bgSecondary)}