:root{
  --bg:#0b0f14;
  --panel:#101826;
  --text:#e6edf3;
  --muted:#9fb0c2;
  --link:#7cc4ff;
  --border:rgba(255,255,255,.10);
  --shadow:0 12px 30px rgba(0,0,0,.35);
  --radius:18px;
  --max:980px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  background: radial-gradient(1200px 700px at 10% 0%, rgba(124,196,255,.12), transparent 60%),
              radial-gradient(900px 600px at 90% 20%, rgba(160,255,203,.08), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{
  max-width:var(--max);
  margin:0 auto;
  padding:28px 18px 64px;
}

/* Shared top navigation for both hub + satellites */
header{padding:28px 18px 0}
header nav,
.topbar{
  max-width:var(--max);
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 16px;
  background: rgba(16,24,38,.75);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 12px;
  z-index: 10;
}
header nav{flex-wrap:wrap}
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.brand b{font-size:15px;letter-spacing:.2px}
.brand span{font-size:12px;color:var(--muted)}
nav a{
  display:inline-block;
  padding:8px 10px;
  border-radius: 12px;
  border:1px solid transparent;
  color:var(--text);
  font-size:13px;
}
nav a:hover{
  border-color: var(--border);
  text-decoration:none;
  background: rgba(255,255,255,.04);
}
.hero{
  margin-top:18px;
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:18px;
}
@media (max-width: 860px){
  .hero{grid-template-columns:1fr}
}
.card,
.callout,
.section{
  background: rgba(16,24,38,.72);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:18px;
}
.section{margin-top:18px}
.kicker,
.k,
.sub,
.caption,
.cap,
.cluster-desc,
.imgmeta .cap,
small{
  color:var(--muted);
}
.kicker,
.k,
.meta,
.foot-entity{
  font-family:var(--mono);
  font-size:12px;
}
.kicker,
.k{
  letter-spacing:.35px;
  text-transform:uppercase;
}
h1{margin:10px 0 10px;font-size:34px;line-height:1.15}
h2{margin:22px 0 10px;font-size:20px}
h3{margin:0 0 8px;font-size:18px}
p{margin:10px 0;color:rgba(230,237,243,.92)}
ul{margin:10px 0 0 22px;color:rgba(230,237,243,.92)}
.subhead,.sub{font-size:15px;color:var(--muted)}
.caption{font-size:13px;margin-top:8px}
.cta{
  margin-top:18px;
  background: rgba(16,24,38,.72);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:18px;
}
.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:12px;
}
@media (max-width: 860px){
  .grid{grid-template-columns:1fr}
}
.tile,
.related li,
.linklist a{
  padding:14px;
  border-radius: 16px;
  background: rgba(255,255,255,.03);
  border:1px solid var(--border);
}
.tile h3{margin:0 0 6px;font-size:15px}
.tile p{margin:0;color:var(--muted);font-size:13px}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
}
.badge{
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding:6px 10px;
  border-radius: 999px;
}
figure{margin:0}
.hero img{
  width:100%;
  height:auto;
  border-radius: 16px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.02);
}
hr,.hr{
  border:0;
  border-top:1px solid var(--border);
  margin:18px 0;
}
footer,
.footer{
  max-width:var(--max);
  margin:28px auto 0;
  padding:18px 18px 0;
  border-top:1px solid var(--border);
  color:var(--muted);
  font-size:13px;
}
pre, code{font-family:var(--mono)}
pre{
  padding:14px;
  border-radius: 16px;
  background: rgba(0,0,0,.25);
  border:1px solid var(--border);
  overflow:auto;
}
.meta,
.links,
.linklist,
.foot-entity{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  color:var(--muted);
}
.linklist{padding-left:0;list-style:none}

/* Gallery + image card support for hub pages */
.imgcard{
  background: rgba(16,24,38,.72);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.imgcard img{
  display:block;
  width:100%;
  height:240px;
  object-fit:cover;
  background: rgba(255,255,255,.03);
}
.imgcard img[src$=".svg"]{
  object-fit:contain;
  padding:18px;
}
.imgmeta{
  padding:14px 16px 16px;
}
.imgmeta strong{
  display:block;
  margin-bottom:4px;
}
.cap{font-size:13px}

/* Optional explicit gallery class support */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.gallery-grid img {
  width: 100%;
  height: 240px;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}
.gallery-grid figure {margin: 0;}
.gallery-grid figcaption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}

@media (max-width:640px){
  header{padding:18px 14px 0}
  .container{padding:20px 14px 52px}
  header nav,
  .topbar{top:8px;padding:10px 12px}
  h1{font-size:28px}
  .imgcard img,.gallery-grid img{height:auto;aspect-ratio:3/2;object-fit:cover}
}