/* MRI Artifacts article — scoped to the new content page. */
.artifact-guide .article-intro{font-size:19px;line-height:1.72;color:var(--ink);margin:10px 0 24px}
.artifact-guide h2{scroll-margin-top:30px}
.artifact-guide .article-meta{line-height:1.75}
.artifact-guide .artifact-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0 35px;border:1px solid var(--line);border-radius:9px}
.artifact-guide .artifact-table{margin:0;width:100%;border-collapse:collapse;font-size:14px;min-width:540px}
.artifact-guide .artifact-table th{background:#e8eeea;text-align:left;font-size:12px;letter-spacing:.02em}
.artifact-guide .artifact-table th,.artifact-guide .artifact-table td{padding:13px 15px;vertical-align:top;border-bottom:1px solid var(--line)}
.artifact-guide .artifact-table td:first-child{font-weight:600;color:var(--ink)}
.artifact-guide .artifact-table tr:last-child td{border-bottom:0}
.artifact-guide .artifact-steps{margin:16px 0 28px;padding-left:25px}
.artifact-guide .artifact-steps li{margin:0 0 13px;padding-left:4px}
.artifact-guide .artifact-caution{border-left:3px solid var(--orange);background:#f2efe8;padding:13px 18px;font-size:14px;margin:25px 0 30px}
.artifact-guide .artifact-references{font-size:13px;line-height:1.6;margin:15px 0 36px;padding-left:21px}
.artifact-guide .artifact-references li{margin:0 0 13px}
.artifact-guide .prose a:not(.btn){text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.artifact-guide .artifact-toc{display:flex;flex-direction:column;gap:7px;margin-top:13px;font-size:13px}
.artifact-guide .artifact-toc a{color:var(--muted)}
.artifact-guide .artifact-toc a:hover{color:var(--ink)}
.artifact-guide .aside .aside-box{margin-bottom:18px}
.artifact-guide .aside .aside-box h2{font:normal 23px/1.23 Georgia,serif;margin:10px 0}
@media(max-width:650px){.artifact-guide .article-intro{font-size:17px}.artifact-guide .artifact-table{font-size:13px}}

/* Editorial product placements: visible alongside reading on desktop, after intro on mobile. */
.artifact-guide .artifact-mobile-tools{display:none}
.artifact-guide .artifact-group-title{font-size:11px;line-height:1.4;text-transform:uppercase;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:14px}
.artifact-guide .aside .artifact-product-group{border-top:3px solid var(--ink);padding-top:16px}
.artifact-guide .aside .artifact-product-group .aside-box{border-top:1px solid var(--line);padding:14px 0 16px;margin:0}
.artifact-guide .aside .artifact-product-group h2{font:normal 21px/1.25 Georgia,serif;margin:7px 0}
.artifact-guide .aside .artifact-product-group .eyebrow{font-size:10px;letter-spacing:.1em}
.artifact-guide .aside .artifact-product-group .aside-box p{margin:6px 0 10px;line-height:1.5}
.artifact-guide .aside .artifact-product-group .aside-box a{font-size:13px}
.artifact-guide .aside .artifact-nav-box{margin-top:22px}
@media(max-width:900px){
 .artifact-guide .aside{display:none}
 .artifact-guide .artifact-mobile-tools{display:block;margin:23px 0 30px;padding:15px 17px;background:#e9eeea;border:1px solid var(--line);border-radius:8px}
 .artifact-guide .artifact-mobile-tools .eyebrow{font-size:11px;margin:0 0 7px}
 .artifact-guide .artifact-mobile-tools p{font-size:13px;line-height:1.5;margin:0 0 8px;color:var(--muted)}
 .artifact-guide .artifact-mobile-tools ul{list-style:none;padding:0;margin:0}
 .artifact-guide .artifact-mobile-tools li{border-top:1px solid var(--line);margin:0;padding:8px 0}
 .artifact-guide .artifact-mobile-tools li:last-child{padding-bottom:0}
 .artifact-guide .artifact-mobile-tools a{display:block;font-size:13px;line-height:1.45;color:var(--ink);font-weight:700;text-decoration:none}
 .artifact-guide .artifact-mobile-tools a span{font-weight:400;color:var(--muted)}
}
@media print{.artifact-guide .artifact-mobile-tools,.artifact-guide .aside{display:none!important}}


/* MRI image-quality editorial panel — independently scoped to article. */
.artifact-guide .artifact-editorial-figure{margin:26px 0 38px;border:1px solid #d1d9d2;background:#f0f1ed;overflow:hidden;border-radius:6px}
.artifact-guide .artifact-editorial-heading{display:flex;align-items:center;gap:9px;padding:11px 15px;background:#e9eeea;color:var(--ink);font-size:10px;font-weight:700;letter-spacing:.125em;text-transform:uppercase;line-height:1.5}
.artifact-guide .artifact-editorial-mark{height:7px;width:7px;flex:none;background:var(--orange)}
.artifact-guide .artifact-editorial-heading-right{margin-left:auto;font:10px/1.5 Arial,Helvetica,sans-serif;letter-spacing:.05em;color:var(--muted)}
.artifact-guide .artifact-editorial-figure img{width:100%;height:auto;aspect-ratio:760/307;object-fit:cover;display:block;vertical-align:middle}
.artifact-guide .artifact-editorial-figure figcaption{display:flex;justify-content:space-between;gap:14px;align-items:baseline;padding:13px 16px;font-size:12px;line-height:1.48;color:var(--ink);border-top:1px solid #d1d9d2}
.artifact-guide .artifact-editorial-figure figcaption small{font-size:10px;line-height:1.5;color:var(--muted);text-align:right;max-width:220px;flex-shrink:0}
@media(max-width:650px){
 .artifact-guide .artifact-editorial-figure{margin:22px 0 32px}
 .artifact-guide .artifact-editorial-heading{padding:10px 12px;font-size:9px;letter-spacing:.07em}
 .artifact-guide .artifact-editorial-heading-right{font-size:9px}
 .artifact-guide .artifact-editorial-figure img{aspect-ratio:1.85/1;object-fit:cover;object-position:47% center}
 .artifact-guide .artifact-editorial-figure figcaption{display:block;padding:12px 13px;font-size:12px}
 .artifact-guide .artifact-editorial-figure figcaption small{display:block;max-width:none;text-align:left;margin-top:6px;font-size:10px}
}
@media print{.artifact-guide .artifact-editorial-figure{break-inside:avoid}}

/* Final visual QA: consistent heading rhythm and numbered alignment. */
.artifact-guide .prose .artifact-section-heading{display:grid;grid-template-columns:2.35rem minmax(0,1fr);align-items:start;column-gap:.55rem;font:normal clamp(24px,2.1vw,30px)/1.24 var(--serif);margin:42px 0 16px;letter-spacing:0}
.artifact-guide .artifact-section-number{display:block;font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;color:var(--ink);text-align:left;white-space:nowrap}
.artifact-guide .artifact-section-title{display:block;min-width:0}
.artifact-guide .artifact-section-heading + p{margin-top:0}
.artifact-guide .artifact-table-wrap + .artifact-section-heading{margin-top:42px}
.artifact-guide .artifact-editorial-heading{display:none}
.artifact-guide .artifact-editorial-figure{margin:28px 0 36px}
.artifact-guide .artifact-editorial-figure figcaption{display:block;padding:12px 16px;color:var(--muted);font-size:12px;line-height:1.55}
.artifact-guide .artifact-editorial-figure img{width:100%;height:auto;display:block;aspect-ratio:760/307;object-fit:cover}
.artifact-guide .sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.artifact-guide .aside .artifact-product-group .aside-box{padding-top:16px;padding-bottom:17px}
.artifact-guide .aside .artifact-product-group .aside-box h2{line-height:1.25}
.artifact-guide .aside .artifact-product-group .aside-box p{margin:7px 0 12px}
@media(max-width:900px){.artifact-guide .prose .artifact-section-heading{grid-template-columns:2.1rem minmax(0,1fr);column-gap:.5rem;margin-top:36px;margin-bottom:13px}}
@media(max-width:650px){.artifact-guide .prose .artifact-section-heading{font-size:25px;line-height:1.26}.artifact-guide .artifact-editorial-figure{margin:23px 0 31px}.artifact-guide .artifact-editorial-figure img{aspect-ratio:1.8/1;object-fit:cover;object-position:48% center}.artifact-guide .artifact-editorial-figure figcaption{padding:12px 13px;font-size:11px}}