/* Long-form article. Approved diagram styles are scoped below. */
.article-hero{padding-top:42px;padding-bottom:46px;border-bottom:1px solid var(--line)}
.article-hero .eyebrow{margin-top:36px}.article-hero h1{font-size:clamp(34px,4.5vw,64px);line-height:1.08;max-width:1060px;margin:20px 0 26px}
.article-standfirst{font-size:clamp(17px,1.8vw,21px);line-height:1.7;max-width:870px}.article-meta{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:12px;margin-top:28px;color:var(--muted)}.article-meta a{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.article-content{padding-top:38px;padding-bottom:48px}.article-content>p,.article-content>h2{max-width:760px;margin-inline:auto}.article-content>p{font-size:17px;line-height:1.85;color:#434741;margin-top:24px;overflow-wrap:anywhere}.article-content>h2{font-size:clamp(27px,3vw,38px);line-height:1.2;margin-top:58px;margin-bottom:22px;scroll-margin-top:115px}.article-content>p strong{color:var(--ink)}.article-content>p a{text-decoration:underline;text-underline-offset:3px;color:var(--ink)}.article-content>p em{font-size:14px;color:var(--muted)}
.measurement-visual{margin:40px 0;border:1px solid var(--line)}.measurement-visual h2,.measurement-visual h3,.measurement-visual h4{font-family:Arial,Helvetica,sans-serif}.measurement-visual a{text-decoration:underline;text-underline-offset:3px}
.article-table{max-width:1120px;overflow-x:auto;margin:30px auto 0;border:1px solid var(--line)}.article-table:focus-visible{outline:3px solid #9d8057;outline-offset:4px}.article-table table{border-collapse:collapse;width:100%;min-width:660px;font-size:13px;line-height:1.6}.article-table caption{text-align:left;font-weight:700;padding:16px 18px;color:var(--ink);background:var(--wash)}.article-table th,.article-table td{text-align:left;vertical-align:top;padding:15px 18px;border-bottom:1px solid var(--line)}.article-table th{color:var(--ink);font-weight:700}.article-table td{color:var(--muted)}.article-table thead{background:#f3f2ed}.article-table tbody tr:last-child>*{border-bottom:0}
@media(max-width:700px){.article-hero{padding-top:24px;padding-bottom:32px}.article-hero .eyebrow{margin-top:26px}.article-content{padding-top:18px}.article-content>p{font-size:16px;line-height:1.85}.article-content>h2{margin-top:38px}.article-meta{gap:8px 16px}.measurement-visual{margin:28px 0}.article-table{margin-top:24px}}
@media print{.article-hero{padding-top:0}.article-hero h1{font-size:30px}.article-content>p{font-size:11px}.article-content>h2{font-size:19px}.measurement-visual .controls{display:none}.article-table{overflow:visible}.article-table table{min-width:0;font-size:9px}.article-content>h2,.measurement-visual header{break-after:avoid}.measurement-visual .lane{break-inside:avoid}}
.measurement-visual{--paper:#faf9f6;--ink:#202221;--muted:#646762;--line:#d9d9d1;--accent:#786c57}.measurement-visual *{box-sizing:border-box}.measurement-visual{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 Arial,Helvetica,sans-serif}.measurement-visual .diagram-inner{max-width:1120px;margin:auto;padding:30px}.measurement-visual header{border-bottom:1px solid var(--line);padding-bottom:22px}.measurement-visual .eyebrow{font-size:11px;font-weight:700;letter-spacing:1.8px;color:var(--accent);text-transform:uppercase}.measurement-visual h2{font-size:30px;letter-spacing:-.8px;line-height:1.15;margin:12px 0}.measurement-visual p{margin:8px 0;color:var(--muted)}.measurement-visual .controls{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 14px}.measurement-visual button{font:inherit;font-size:13px;padding:10px 14px;background:white;border:1px solid var(--line);color:var(--ink);cursor:pointer}.measurement-visual button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.measurement-visual button:focus-visible,.measurement-visual a:focus-visible{outline:3px solid #9d8057;outline-offset:3px}.measurement-visual .decision{background:#eeeee8;padding:14px 16px;min-height:77px;font-size:14px;margin:0 0 22px;color:var(--ink)}.measurement-visual .lanes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.measurement-visual .lane{border:1px solid var(--line);background:white;padding:22px 20px;position:relative}.measurement-visual .lane.active{border:2px solid var(--accent);padding:21px 19px}.measurement-visual .tag{display:block;color:var(--accent);font-size:11px;text-transform:uppercase;font-weight:700;letter-spacing:1px}.measurement-visual h3{font-size:19px;line-height:1.2;margin:9px 0 18px;letter-spacing:-.3px}.measurement-visual h4{font-size:12px;margin:18px 0 4px;text-transform:uppercase;letter-spacing:.6px}.measurement-visual ul{margin:6px 0;padding-left:17px;color:var(--muted);font-size:13px}.measurement-visual li{margin:5px 0}.measurement-visual .system{border:1px solid var(--line);padding:9px 11px;margin:7px 0;font-size:13px;color:var(--ink);background:var(--paper)}.measurement-visual .lane p{font-size:13px}.measurement-visual .test{margin-top:18px;background:var(--ink);color:white;padding:18px 20px}.measurement-visual .test strong{font-size:16px}.measurement-visual .test p{color:#e0e1db;font-size:13px;margin-bottom:0}.measurement-visual .foot{font-size:11px;color:var(--muted);border-top:1px solid var(--line);margin-top:24px;padding-top:15px}.measurement-visual a{color:var(--accent)}.measurement-visual .sources{margin-top:7px;display:flex;gap:12px;flex-wrap:wrap}.measurement-visual .fallback{margin-top:14px;font-size:12px}.measurement-visual .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}@media(max-width:700px){.measurement-visual .diagram-inner{padding:20px 14px}.measurement-visual .lanes{grid-template-columns:1fr}.measurement-visual h2{font-size:26px}.measurement-visual .controls{display:grid;grid-template-columns:1fr}.measurement-visual button{text-align:left}.measurement-visual .decision{min-height:0}.measurement-visual .lane{padding:20px}.measurement-visual .lane.active{padding:19px}}
.measurement-visual{margin:40px 0}@media(max-width:700px){.measurement-visual{margin:28px 0}}