/* Authority Builds case-study extension — preserves the existing reader design system. */
html,body{max-width:100%;overflow-x:hidden}
.case-hero{padding-bottom:44px}
.case-hero .deck{max-width:840px}
.case-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:28px 0 30px}
.case-facts>div{min-width:0;border:1px solid var(--rule);background:var(--report);padding:15px 16px}
.case-facts strong{display:block;font-family:"Fraunces",Georgia,serif;font-size:20px;line-height:1.2;margin:4px 0 6px}
.case-facts span:last-child{display:block;color:var(--ink2);font-size:14px;line-height:1.45}
.case-fact-label{display:block;font:600 9.5px/1.2 "IBM Plex Mono",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--seal)}
.case-cover{margin:30px 0 0}
.case-cover img,.evidence-figure img{display:block;width:100%;height:auto;max-width:100%}
.case-cover img{aspect-ratio:4/3;object-fit:contain;border:1px solid var(--rule)}
.case-section>.article{max-width:780px}
.case-list{margin:0 0 18px;padding-left:1.35em}
.case-list li{margin:0 0 10px;padding-left:.2em}
.case-principle,.query-quote{margin:26px 0;padding:16px 20px;border-left:3px solid var(--seal);background:var(--wash);font-family:"Fraunces",Georgia,serif;font-size:clamp(22px,3.2vw,30px);line-height:1.34}
.query-quote{font-size:clamp(20px,2.8vw,27px);font-style:italic}
.evidence-figure{max-width:783px;margin:30px 0 0}
.evidence-link{display:block;text-decoration:none;color:inherit;border:1px solid var(--rule);background:var(--report);padding:10px}
.evidence-link:hover,.evidence-link:focus-visible{border-color:var(--seal)}
.evidence-link:focus-visible{outline:3px solid rgba(138,43,34,.16);outline-offset:3px}
.evidence-expand{display:block;padding:9px 4px 2px;font:600 10.5px/1.4 "IBM Plex Mono",monospace;letter-spacing:.04em;color:var(--seal)}
.evidence-figure figcaption{margin-top:10px;color:var(--ink3);font-size:14px;line-height:1.5}
.qualification{border:1px solid var(--rule);border-left:4px solid var(--seal);padding:18px 20px;background:var(--paper2)}
.qualification p{margin:0}
.live-article-link{display:inline-block;margin-top:4px;padding:11px 14px;border:1px solid var(--seal);text-decoration:none;font-family:"IBM Plex Mono",monospace;font-size:12px;font-weight:600}
.live-article-link:hover,.live-article-link:focus-visible{background:var(--wash)}
@media(max-width:820px){.case-facts{grid-template-columns:1fr 1fr}.case-facts>div:last-child{grid-column:1/-1}}
@media(max-width:700px){.case-facts{grid-template-columns:1fr}.case-facts>div:last-child{grid-column:auto}.case-cover{margin-top:24px}.evidence-link{padding:6px}.case-principle,.query-quote{padding:14px 16px}.case-section{padding-top:38px;padding-bottom:38px}}
@media(max-width:520px){.case-hero{padding-top:36px}.case-facts strong{font-size:18px}.evidence-figure figcaption{font-size:13px}}
@media print{.case-cover,.evidence-figure,.case-facts>div,.qualification{break-inside:avoid}.evidence-expand{display:none}}