.related-reading{max-width:1180px;margin:40px auto;padding:24px clamp(18px,4vw,36px);background:#f3f5f6;border-radius:12px}.related-reading h2{font-size:23px;line-height:1.5;margin:0 0 16px;color:#203341}.related-reading ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;list-style:none;padding:0;margin:0}.related-reading a{display:block;height:100%;padding:16px;background:#fff;border:1px solid #dce2e6;border-radius:8px;color:#234d64;line-height:1.7;text-decoration:underline;text-underline-offset:4px}.related-reading a:focus-visible{outline:3px solid #226481;outline-offset:2px}@media(max-width:760px){.related-reading{margin:28px 16px}.related-reading ul{grid-template-columns:1fr}}


/* Case-study engineering content */
.case-study-page .case-intro-note{margin:0 0 30px;padding:18px 22px;border-left:4px solid #a93616;background:#f7f3ed;color:#44545f;line-height:1.8}
.case-study-page .case-intro-note strong{display:block;color:#223642;margin-bottom:6px}
.case-study-page .case-profile{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0 30px}
.case-study-page .case-profile div{padding:16px;border:1px solid #dbe2e6;border-radius:10px;background:#fff}
.case-study-page .case-profile dt{font-size:12px;color:#6a7880;margin-bottom:5px}.case-study-page .case-profile dd{margin:0;font-weight:700;color:#213542;line-height:1.55}
.case-study-page .case-photo{margin:24px 0 32px;max-width:720px}.case-study-page .case-photo img{display:block;width:100%;max-height:480px;object-fit:contain;background:#f5f7f8;border-radius:12px}.case-study-page .case-photo figcaption{font-size:13px;color:#69757d;line-height:1.7;margin-top:9px}
.case-study-page .case-table{max-width:100%;overflow-x:auto;margin:20px 0 28px}.case-study-page .case-table table{border-collapse:collapse;width:100%;min-width:680px;font-size:14px;line-height:1.65}.case-study-page .case-table th,.case-study-page .case-table td{border:1px solid #d8e0e5;padding:11px 12px;vertical-align:top}.case-study-page .case-table th{background:#eef3f5;color:#1f3b4a;text-align:left}.case-study-page .case-table caption{text-align:left;font-weight:700;color:#394b56;margin-bottom:9px}
.case-study-page .case-decision{margin:24px 0;padding:18px 22px;background:#eef5f6;border-radius:10px}.case-study-page .case-decision strong{color:#174b60}.case-study-page .case-decision ul{margin:10px 0 0;padding-left:20px;line-height:1.8}
.case-study-page .article-copy>section{margin-bottom:38px}.case-study-page .article-copy p{line-height:1.9}.case-study-page .article-copy li{line-height:1.8;margin:5px 0}
.case-study-directory .case-summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.case-study-directory .case-summary-card{padding:20px;border:1px solid #dce3e7;border-radius:12px;background:#fff}.case-study-directory .case-summary-card h3{margin:0 0 10px;font-size:19px;line-height:1.45}.case-study-directory .case-summary-card p{line-height:1.8;margin:8px 0}.case-study-directory .case-summary-card strong{color:#183f52}
@media(max-width:820px){.case-study-page .case-profile{grid-template-columns:repeat(2,minmax(0,1fr))}.case-study-directory .case-summary-grid{grid-template-columns:1fr}}
@media(max-width:520px){.case-study-page .case-profile{grid-template-columns:1fr}.case-study-page .case-intro-note,.case-study-page .case-decision{padding:15px 16px}}