:root{
  --bg:#0b1220;
  --card:#0f172a;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --brand:#0B5FFF;
  --accent:#E11D48;
  --line: rgba(148,163,184,.25);
  --paper:#0b1220;
  --surface:#0f172a;
  --good:#10b981;
  --warn:#f59e0b;
  --bad:#ef4444;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,#070b14, #0b1220 22%);color:var(--text);}
a{color:#93c5fd;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:20px}
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,11,20,.75);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:12px 20px}
.brand-left{display:flex;align-items:center;gap:12px;min-width:0}
.brand-left img{height:42px;width:auto;display:block}
.brand-left .site-title{display:flex;flex-direction:column;min-width:0}
.site-title strong{font-size:14px;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-title span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.select, .btn{
  background:rgba(15,23,42,.9);
  border:1px solid var(--line);
  color:var(--text);
  padding:8px 10px;
  border-radius:10px;
  font-size:13px;
}
.btn{cursor:pointer}
.btn:hover{border-color:rgba(147,197,253,.55)}
.navbar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(15,23,42,.7);
}
.navbar-inner{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:10px 20px}
.navlinks{display:flex;gap:10px;flex-wrap:wrap}
.navlinks a{
  padding:8px 10px;border-radius:10px;border:1px solid transparent;
  color:var(--text);font-size:13px
}
.navlinks a[aria-current="page"]{border-color:rgba(147,197,253,.5);background:rgba(11,95,255,.12)}
.navlinks a:hover{background:rgba(148,163,184,.08)}
.mobile-menu{
  display:none;
}
.hero{display:grid;grid-template-columns: 1.3fr .7fr;gap:18px;align-items:stretch;margin-top:14px}
.card{
  background:rgba(15,23,42,.82);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
}
.card h1{margin:0 0 8px 0;font-size:24px}
.card h2{margin:20px 0 8px 0;font-size:18px}
.card h3{margin:16px 0 6px 0;font-size:15px}
.card p, .card li{color:#d1d5db;line-height:1.6}
.kicker{color:var(--muted);font-size:13px;margin:0 0 10px 0}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.badge{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:6px 10px;color:var(--muted);background:rgba(148,163,184,.06)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin-top:14px}
.callout{
  border-left:4px solid rgba(147,197,253,.75);
  background:rgba(11,95,255,.12);
  padding:12px 14px;border-radius:12px;margin:14px 0;
}
.callout strong{display:block;margin-bottom:6px}
.alert{border-left:4px solid var(--bad); background:rgba(239,68,68,.10)}
.warn{border-left:4px solid var(--warn); background:rgba(245,158,11,.10)}
.good{border-left:4px solid var(--good); background:rgba(16,185,129,.10)}
.table{width:100%;border-collapse:collapse;margin:10px 0}
.table th,.table td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}
.table th{color:#cbd5e1;font-size:13px}
.footer{margin:26px 0 10px 0;color:var(--muted);font-size:12px}
.footer a{color:#c7d2fe}
.small{font-size:12px;color:var(--muted)}
.video-wrap{display:grid;gap:10px}
video{width:100%;border-radius:14px;border:1px solid var(--line);background:#000}
.img-card img{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);background:#fff}
hr{border:none;border-top:1px solid var(--line);margin:18px 0}
@media (max-width: 920px){
  .hero{grid-template-columns:1fr; }
  .grid3{grid-template-columns:1fr}
}
@media (max-width: 640px){
  .navbar-inner{flex-direction:column;align-items:stretch;gap:8px}
  .navlinks{display:none}
  .mobile-menu{display:flex;gap:8px;align-items:center;justify-content:space-between}
  .mobile-menu .btn{width:100%}
  .controls{width:100%;justify-content:space-between}
  .grid2{grid-template-columns:1fr}
}

/* Author block */
.author-block{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap}
.author-photo{width:120px;max-width:35vw;border-radius:14px;border:1px solid var(--line);background:#111;display:block}
.author-meta{min-width:220px;flex:1}
.author-meta h3{margin:0 0 6px 0}