:root{
 --navy:#1C3F94; --navy2:#13306f; --teal:#00a7c4; --teal2:#0a93ad; --ink:#222a33; --muted:#5c6672;
 --line:#e4e8ee; --bg:#ffffff; --soft:#f4f6f9; --gold:#f5a800;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Segoe UI',-apple-system,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
a{color:var(--teal2);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
/* top utility bar */
.util{background:var(--navy2);color:#cdd6ea;font-size:12.5px}
.util .wrap{display:flex;justify-content:flex-end;gap:20px;padding:6px 24px}
.util a{color:#cdd6ea}
/* header / nav */
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 6px rgba(20,40,90,.05)}
header.site .wrap{display:flex;align-items:center;gap:28px;height:74px}
header.site .logo img{height:46px;display:block}
nav.main{display:flex;gap:24px;margin-left:8px;flex:1;font-weight:600;font-size:14.5px}
nav.main a{color:var(--ink)} nav.main a:hover{color:var(--navy);text-decoration:none}
.cta{background:var(--teal);color:#fff!important;padding:10px 18px;border-radius:6px;font-weight:700;font-size:14px}
.cta:hover{background:var(--teal2);text-decoration:none!important}
/* blog hero */
.bloghero{background:linear-gradient(120deg,var(--navy),var(--navy2));color:#fff;padding:54px 0 46px;text-align:center}
.bloghero h1{margin:0 0 8px;font-size:34px;letter-spacing:-.5px}
.bloghero p{margin:0 auto;max-width:680px;opacity:.92;font-size:16.5px}
.crumbs{font-size:12.5px;color:#aebbd8;margin-bottom:14px;text-transform:uppercase;letter-spacing:.08em}
/* ---- filter bar (mirrors the DASHBOARD chip pattern) ---- */
.filterbar{max-width:1180px;margin:0 auto;padding:30px 24px 0;display:flex;flex-wrap:wrap;gap:9px;align-items:center;justify-content:center}
.filterbar .flabel{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-right:4px}
.fbtn{height:34px;padding:0 16px;border:1px solid #cfd5de;background:#fff;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;color:#44484f;transition:background .12s,color .12s,border-color .12s}
.fbtn:hover{border-color:var(--navy);color:var(--navy)}
.fbtn.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.fbtn .cnt{opacity:.6;font-weight:700;margin-left:5px;font-size:11.5px}
.fbtn.on .cnt{opacity:.85}
.noresults{max-width:1180px;margin:0 auto;padding:40px 24px;text-align:center;color:var(--muted);font-size:15px;display:none}
/* ---- responsive tile grid (cards next to each other) ---- */
.grid{max-width:1180px;margin:0 auto;padding:26px 24px 70px;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:26px}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .15s,transform .15s;height:100%}
.pcard:hover{box-shadow:0 14px 34px rgba(20,40,90,.13);transform:translateY(-3px)}
.pcard .thumb{display:block;background:#0b1022;overflow:hidden;aspect-ratio:16/10;position:relative}
.pcard .thumb img,.pcard .thumb video{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s}
.pcard:hover .thumb img,.pcard:hover .thumb video{transform:scale(1.04)}
.pcard .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.toolrow{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:9px}
.toolbadge{display:inline-block;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#fff;background:var(--navy);padding:3px 9px;border-radius:999px}
.toolbadge.LS-DYNA{background:#c0392b} .toolbadge.Fluent{background:#0a93ad} .toolbadge.Mechanical{background:#1C3F94}
.toolbadge.Rocky{background:#b06a13} .toolbadge.Sherlock{background:#2e7d5b} .toolbadge.Speos{background:#7a4ab7} .toolbadge.optiSLang{background:#5b6470}
.toolbadge.AQWA{background:#0e7c86} .toolbadge.Mech-Lite{background:#b23b32}
.tag{display:inline-block;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:7px}
.tag.fun{color:#9a4ab7} .tag.serious{color:var(--navy)}
.pcard h2{margin:0 0 10px;font-size:18px;line-height:1.28} .pcard h2 a{color:var(--ink)} .pcard h2 a:hover{color:var(--navy);text-decoration:none}
.pcard .ex{color:var(--muted);font-size:13.5px;line-height:1.5;margin:0 0 16px;flex:1;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.readpost{font-weight:700;color:var(--teal2);font-size:13.5px;margin-top:auto} .readpost:after{content:" \2192"}
.meta{font-size:12.5px;color:#8a93a0;margin-bottom:6px}
/* article */
article.post{max-width:760px;margin:0 auto;padding:34px 24px 20px}
article.post .crumbs{color:var(--muted)}
article.post h1{font-size:33px;line-height:1.15;margin:6px 0 10px;color:var(--ink);letter-spacing:-.5px}
article.post .byline{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13.5px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:8px}
article.post .byline .av{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
article.post h2{font-size:23px;margin:30px 0 8px;color:var(--navy)}
article.post h3{font-size:18px;margin:22px 0 6px;color:var(--ink)}
article.post p{margin:12px 0;font-size:16.5px}
article.post figure{margin:22px 0;text-align:center}
article.post figure img,article.post figure video{max-width:100%;border-radius:10px;border:1px solid var(--line);box-shadow:0 6px 22px rgba(20,40,90,.08)}
article.post figcaption{font-size:13px;color:var(--muted);margin-top:8px}
article.post .lede{font-size:19px;color:#3a434f;line-height:1.55}
article.post blockquote{margin:22px 0;padding:14px 20px;background:var(--soft);border-left:4px solid var(--teal);border-radius:0 8px 8px 0;font-size:16px}
.keybox{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:22px 0}
.keybox b{color:var(--navy)}
.embed{aspect-ratio:16/9;width:100%;border:0;border-radius:10px}
.pill{display:inline-block;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:3px 12px;font-size:12.5px;color:var(--muted);margin:2px}
.scope{background:#fff7e8;border:1px solid #ecd9ad;border-left:5px solid var(--gold);border-radius:8px;padding:14px 18px;font-size:14px;color:#6b4e12;margin:22px 0}
.scope b{color:#8a5a12}
/* revisions record — navy sibling of the gold honest-scope box; sits directly above it */
.revs{background:var(--soft);border:1px solid var(--line);border-left:5px solid var(--navy);border-radius:8px;padding:12px 16px;margin:22px 0;font-size:13px;color:var(--muted)}
.revs .rh{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--navy);margin-bottom:8px}
.revs .rev{display:flex;gap:10px;align-items:baseline;margin:5px 0;line-height:1.5}
.revs .rev-tag{flex:none;background:#e7eefb;color:var(--navy2);font-size:11px;font-weight:700;padding:2px 9px;border-radius:999px;white-space:nowrap}
.revs .rev-s{font-size:13px;color:#4a5461}
/* author + related */
.authorbox{max-width:760px;margin:30px auto 0;padding:20px 24px;background:var(--soft);border:1px solid var(--line);border-radius:12px;display:flex;gap:16px;align-items:center}
.authorbox .av{width:54px;height:54px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:none}
.authorbox b{color:var(--ink)} .authorbox p{margin:3px 0 0;font-size:13.5px;color:var(--muted)}
.related{max-width:880px;margin:36px auto 0;padding:0 24px}
.related h3{font-size:16px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-bottom:2px solid var(--navy);padding-bottom:6px}
.relgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.relcard{border:1px solid var(--line);border-radius:10px;overflow:hidden} .relcard img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:#0b1022}
.relcard a.relph{display:block;aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),var(--teal))} /* fallback when a poster 404s: the img onerror hides itself and reveals this branded tile, title stays below */
.relcard .t{padding:10px 12px;font-size:13.5px;font-weight:600} .relcard .t a{color:var(--ink)}
/* footer */
footer.site{background:var(--navy2);color:#c9d3e8;margin-top:60px;padding:42px 0 26px;font-size:14px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}
footer.site img.flogo{height:34px;margin-bottom:10px}
footer.site .tag{color:#8fa6d6;font-style:italic;font-size:13px;text-transform:none;letter-spacing:0;font-weight:400}
footer.site h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin:0 0 10px}
footer.site a{color:#c9d3e8;display:block;margin:5px 0} footer.site a:hover{color:#fff}
footer.site .copy{border-top:1px solid #2a417e;margin-top:26px;padding-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8fa6d6}
@media(max-width:820px){nav.main{display:none}.grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;padding:20px 18px 56px}.filterbar{padding:24px 18px 0}.relgrid{grid-template-columns:1fr}footer.site .cols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid{grid-template-columns:1fr}}


.ai-note{background:#f4f7fc;border:1px solid #d9e2f0;border-left:5px solid #5a6b8c;border-radius:8px;padding:12px 16px;margin:20px auto;font-size:12.5px;color:#54607a;line-height:1.6}
.ai-note b{color:#3d4759;font-weight:600}