.nf-blog{--blog-line:rgba(150,165,205,.19)}
.nf-blog-hero{padding:2rem 0 2.8rem;max-width:840px}
.nf-blog-eyebrow{display:block;color:var(--cyan);font-size:.78rem;letter-spacing:.09em;font-weight:700;margin-bottom:1rem}
.nf-blog-hero h1{font-size:clamp(2rem,4.5vw,3.6rem);line-height:1.12;letter-spacing:-.025em;margin:0 0 1.25rem;font-family:inherit}
.nf-blog-hero>p{font-size:1.12rem;color:var(--muted);max-width:620px;line-height:1.7}
.nf-blog-topics{display:flex;gap:.65rem;flex-wrap:wrap;margin-top:1.6rem}
.nf-blog-topics a{border:1px solid var(--blog-line);padding:.55rem .9rem;border-radius:30px;color:var(--text);font-size:.88rem}
.nf-blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem}
.nf-blog-card{display:flex;flex-direction:column;gap:1rem;padding:1.5rem;border:1px solid rgba(150,165,205,.19);border-radius:16px;background:linear-gradient(150deg,rgba(76,201,232,.06),var(--surface));min-width:0}
.nf-blog-card h2{font-weight:700;margin:0;font-family:inherit;font-size:1.25rem;line-height:1.4}
.nf-blog-card h2 a{color:var(--text)}
.nf-blog-card p{color:var(--muted);line-height:1.7;font-size:.94rem;margin:0}
.nf-blog-read{color:var(--cyan);margin-top:auto;font-weight:600;font-size:.9rem}
.nf-blog-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;font-size:.8rem;color:var(--muted)}
.nf-blog-meta a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.nf-blog-note{margin-top:2rem;border-top:1px solid var(--blog-line);padding:1.5rem 0;max-width:850px;color:var(--muted);line-height:1.8}
.nf-blog-note h2{color:var(--text);font:700 1.15rem/1.5 sans-serif}
.nf-blog-note p+p{margin-top:.8rem}
.nf-blog-note a,.nf-blog-section a,.nf-blog-sources a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.nf-blog-crumb{display:flex;gap:.7rem;font-size:.85rem;margin-bottom:2rem;color:var(--muted)}
.nf-blog-crumb a{color:var(--muted)}
.nf-blog-article{max-width:820px;margin:auto;overflow-wrap:anywhere}
.nf-blog-article h1{font-family:inherit;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.2;margin:0 0 1.2rem;letter-spacing:-.02em}
.nf-blog-lead{font-size:1.08rem;line-height:1.85;margin:1.5rem 0;color:var(--muted)}
.nf-blog-toc{border:1px solid var(--blog-line);border-radius:12px;padding:1.3rem 1.5rem;margin:1.7rem 0;background:var(--surface)}
.nf-blog-toc ol{padding-left:1.3rem;margin:.8rem 0 0}.nf-blog-toc li{margin:.5rem 0}.nf-blog-toc a{color:var(--muted)}
.nf-blog-section{margin:2.5rem 0;scroll-margin-top:110px;line-height:1.85;font-size:1rem}
.nf-blog-section h2,.nf-blog-calc h2,.nf-blog-sources h2{font-family:inherit;font-size:1.4rem;line-height:1.4;margin:0 0 1rem;color:var(--text)}
.nf-blog-section p{margin:.9rem 0;color:var(--muted)}
.nf-blog-section ul,.nf-blog-section ol,.nf-blog-sources ul{padding-left:1.4rem;color:var(--muted)}
.nf-blog-section li{margin:.6rem 0}.nf-blog-section strong{color:var(--text)}
.nf-blog-table{overflow:auto;margin:1.2rem 0}.nf-blog-table table{width:100%;border-collapse:collapse;font-size:.9rem}.nf-blog-table td,.nf-blog-table th{padding:.8rem;text-align:left;border:1px solid var(--blog-line)}
.nf-blog-calc{padding:1.5rem;border:1px solid rgba(76,201,232,.3);border-radius:16px;background:rgba(76,201,232,.04);scroll-margin-top:110px}
.nf-blog-calc p{color:var(--muted);line-height:1.7;margin-bottom:1rem}.nf-calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.3rem}
.nf-calc-fields label{display:flex;flex-direction:column;gap:.5rem;font-size:.9rem;line-height:1.5;color:var(--text)}
.nf-calc-fields input{width:100%;box-sizing:border-box;border:1px solid var(--blog-line);border-radius:8px;padding:.75rem;background:var(--surface);color:var(--text);font:inherit}
.nf-blog-calc output{display:block;margin-top:1.2rem;font-weight:600;line-height:1.7;color:var(--cyan)}
.nf-blog-sources{border-top:1px solid var(--blog-line);margin-top:2rem;padding-top:1.5rem;font-size:.9rem;line-height:1.8;color:var(--muted)}
.nf-blog-related{margin-top:3rem}.nf-blog-related>h2{font-family:inherit;font-size:1.35rem;margin-bottom:1rem}
.nf-blog-related .nf-blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.nf-home-blog{margin:3rem 0}.nf-home-blog>h2{font-family:inherit;font-size:1.6rem;margin-bottom:.7rem}.nf-home-blog>p{color:var(--muted);margin-bottom:1.5rem}.nf-home-blog>a{display:inline-block;margin-top:1rem;color:var(--cyan)}
@media(max-width:800px){.nf-blog-grid,.nf-blog-related .nf-blog-grid{grid-template-columns:1fr}.nf-blog-hero{padding:1rem 0 2rem}.nf-blog-article{max-width:100%}}
@media(max-width:480px){.nf-calc-fields{grid-template-columns:1fr}.nf-blog-calc,.nf-blog-toc{padding:1.1rem}.nf-blog-card{padding:1.25rem}}