:root{
  --ink:#0f1622; --soft:#45546b; --dim:#69788f; --bg:#f7f9fb; --surface:#fff;
  --line:#e3e9f0; --line2:#c9d3e0; --accent:#0077c8; --dark:#0b2438; --on-dark:#eaf2f9;
  --pos:#15803d;
  --font:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace; --maxw:1120px;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.05;letter-spacing:-.02em;font-weight:800;margin:0;text-wrap:balance}
p{text-wrap:pretty;margin:0 0 14px}
a{color:var(--accent)}
.page-shell{width:min(100%,var(--maxw));margin-inline:auto;padding:0 clamp(1.1rem,4vw,3rem) 4rem}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:.5rem;margin:0 0 .6rem}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.lede{font-size:clamp(1.05rem,.95rem+.6vw,1.3rem);color:var(--soft);max-width:64ch}
section{padding-block:clamp(2rem,5vw,3.4rem)}
h2.big{font-size:clamp(1.6rem,1.15rem+2.4vw,2.5rem)}
h3{font-size:1.12rem}
.rule{border:none;border-top:1px solid var(--line);margin:0}

/* hero with verified imagery + readable overlay */
.hero{position:relative;overflow:hidden;border-radius:0 0 26px 26px;color:#fff;margin-inline:calc(-1*clamp(1.1rem,4vw,3rem));padding:clamp(3.4rem,8vw,6rem) clamp(1.1rem,4vw,3rem) clamp(2.6rem,6vw,4.4rem)}
.hero .bgimg{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(115deg,rgba(11,36,56,.93) 0%,rgba(11,36,56,.72) 48%,rgba(0,119,200,.38) 100%)}
.hero>*{position:relative;z-index:2}
.hero .eyebrow{color:#9fd3f4}.hero .eyebrow::before{background:#9fd3f4;box-shadow:0 0 0 4px rgba(159,211,244,.22)}
.hero h1{color:#fff;font-size:clamp(2.1rem,1.4rem+3.8vw,3.9rem);margin:.7rem 0 0}
.hero h1 .ray{color:#7cc4ee}
.hero .lede{color:rgba(255,255,255,.88);margin-top:1.1rem;max-width:58ch}
.hero .credit{position:absolute;right:14px;bottom:10px;z-index:1;color:rgba(255,255,255,.55)}
.hero.compact{padding-block:clamp(2.4rem,6vw,3.6rem) clamp(1.8rem,4vw,2.6rem)}

.notice{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:7px 14px;margin-top:18px;color:#fff;font-weight:700;font-size:13px;backdrop-filter:blur(4px)}
.notice.onlight{background:var(--surface);border-color:var(--line);color:var(--soft)}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.3rem 1.4rem;box-shadow:0 1px 2px rgba(15,22,34,.04);transition:transform .16s,box-shadow .16s}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(15,22,34,.08)}
.metric{font-size:clamp(1.9rem,1.4rem+1.6vw,2.5rem);font-weight:800;color:var(--dark);line-height:1;font-variant-numeric:tabular-nums}
.metric b{color:var(--accent)}
.label{font-size:.85rem;color:var(--dim);margin-top:.45rem}

.links{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:1.4rem}
.link-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.2rem 1.3rem;color:inherit;text-decoration:none;transition:transform .16s,box-shadow .16s,border-color .16s}
.link-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 8px 26px rgba(0,119,200,.10)}
.link-card strong{display:block;color:var(--dark);margin-bottom:5px;font-size:1.04rem}
.link-card span{color:var(--soft);font-size:.92rem}

figure.shot{margin:1.8rem 0 0;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
figure.shot img{width:100%;height:auto;display:block;aspect-ratio:16/7;object-fit:cover}
.credit{font-family:var(--mono);font-size:.64rem;color:var(--dim);margin-top:.4rem}

/* split site cards */
.site-card{display:grid;grid-template-columns:minmax(260px,2fr) 3fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-bottom:1.2rem;box-shadow:0 1px 2px rgba(15,22,34,.04)}
.site-card .img{position:relative;min-height:230px}
.site-card .img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.site-card .body{padding:1.4rem 1.6rem}
.site-card h3{font-size:1.3rem;margin-bottom:.5rem}
.site-card p{margin:0 0 .55rem;color:var(--soft);font-size:.95rem}
.site-card .facts{font-size:.9rem;color:var(--ink)}
.site-card .facts code{background:#eef4f9;border-radius:5px;padding:2px 6px;font-family:var(--mono);font-size:.8rem}
@media(max-width:820px){.site-card{grid-template-columns:1fr}.site-card .img{min-height:180px}}

.pillbar{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.pill,.filter-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:var(--surface);font-size:13px;color:var(--soft)}
button.filter-chip{cursor:pointer;font-family:var(--font);transition:border-color .14s,color .14s}
button.filter-chip:hover{border-color:var(--accent);color:var(--accent)}
button.filter-chip.active{background:var(--accent);border-color:var(--accent);color:#fff}

table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
th,td{padding:10px 13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:.93rem}
th{background:#f0f5fa;color:var(--dark);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}

.role-row{display:grid;grid-template-columns:minmax(220px,1.4fr) minmax(160px,.8fr) minmax(150px,.8fr) auto;gap:12px;align-items:center;padding:13px 16px;border-bottom:1px solid var(--line);background:var(--surface)}
.role-row:hover{background:#f4f9fd}
.role-title{font-weight:700;color:var(--dark);text-decoration:none}
.role-title:hover{color:var(--accent)}
.role-meta{color:var(--dim);font-size:.85rem}
.role-systems .pill{font-size:11.5px;padding:3px 9px;margin:2px 2px 2px 0;cursor:help}
.rolebox{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}

.jd{white-space:pre-wrap;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.4rem 1.6rem;overflow:auto;font-size:.95rem;line-height:1.6}
.source-foot{margin-top:1.6rem;padding-top:1rem;border-top:1px solid var(--line);font-size:.82rem;color:var(--dim)}
.site-foot{margin-top:3rem;padding-top:1.4rem;border-top:1px solid var(--line);font-size:.85rem;color:var(--dim);text-align:center}
.site-foot b{color:var(--ink)}
.section{margin:0}
.muted{color:var(--dim)}
code{background:#eef4f9;border-radius:5px;padding:2px 5px;font-family:var(--mono);font-size:.85em}

.reveal{opacity:0;transform:translateY(10px);transition:opacity .5s,transform .5s}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
@media(max-width:760px){.role-row{grid-template-columns:1fr}}

/* ── ai66 distillation + livery (ITS-279) ───────────────────────────── */
.drow{display:grid;grid-template-columns:1fr 34px 1fr;gap:10px;align-items:stretch;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--surface)}
.drow:last-child{border-bottom:0}
.dbox{border:1px solid var(--line);border-radius:16px;overflow:hidden}
.djd p,.dai p{margin:6px 0 8px;font-size:.93rem}
.djdlab,.dailab{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
.dailab{color:var(--accent)}
.darrow{align-self:center;color:var(--accent);font-weight:800;text-align:center}
.dkind,.dconf{display:inline-block;border:1px solid var(--line2);border-radius:999px;padding:2px 9px;font-size:11.5px;color:var(--soft);background:var(--bg)}
.dconf{border-style:dashed}
.dcaveat{background:#fff7e6;border:1px solid #f0d9a8;border-radius:12px;padding:12px 16px;margin:1.2rem 0 0;font-size:.92rem;color:#7a5b16}
.bquote{margin:1rem 0;border-left:4px solid var(--accent);padding:.6rem 1.1rem;background:var(--surface);border-radius:0 12px 12px 0;font-style:italic;color:var(--soft)}
.bbasis{font-size:.92rem;color:var(--soft)}
.dnote{font-size:.85rem;color:var(--dim)}
.dhuman{margin:0;padding-left:1.2rem}
.dhuman li{margin-bottom:.5rem;font-size:.93rem}
.dempty{padding:1.1rem 1.3rem;color:var(--dim);font-size:.93rem}
.dgaps{margin-top:.9rem;font-size:.85rem;color:var(--dim)}
.dprov p{font-size:.88rem;color:var(--soft)}
@media(max-width:760px){.drow{grid-template-columns:1fr}.darrow{display:none}}