:root{
  color-scheme: dark;
  --bg:#05060c;
  --panel:#101522;
  --accent:#d4af37;
  --text:#e8edff;
  --muted:#9ca8c6;
  --border:#1e2845;
  --highlight:#2a395d;
}

*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
}
.container{
  width:min(960px,92vw);
  margin:0 auto;
  padding:2rem 0;
}
.hero{
  padding:3rem 0 2rem;
  background:linear-gradient(145deg,#090b16,#161f33);
  border-bottom:1px solid var(--border);
}
.hero h1{
  margin:0 0 .75rem;
  font-size:2.75rem;
  color:var(--accent);
}
.tagline{
  max-width:720px;
  line-height:1.6;
  color:var(--muted);
}
.intro, .primer, .footer-note{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  padding:1.5rem 2rem;
  margin-bottom:2rem;
  box-shadow:0 18px 32px -26px rgba(12,19,36,0.9);
}
h2{
  margin-top:0;
  color:var(--accent);
}
.intro ul{
  padding-left:1.2rem;
  color:var(--muted);
  line-height:1.6;
}
.search{
  margin-bottom:2rem;
}
.search-bar{
  display:flex;
  gap:1rem;
  flex-wrap:wrap;
  align-items:center;
}
input[type=search]{
  flex:1;
  padding:.85rem 1rem;
  border-radius:12px;
  border:1px solid var(--border);
  background:#0b1220;
  color:var(--text);
  font-size:1rem;
}
input[type=search]:focus{
  outline:2px solid var(--highlight);
}
.result-count{
  color:var(--muted);
  font-size:.95rem;
}
.filters{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  margin:1rem 0;
}
.filters button{
  border:none;
  border-radius:999px;
  padding:.4rem .9rem;
  background:var(--highlight);
  color:var(--text);
  cursor:pointer;
  transition:transform .15s ease;
}
.filters button:hover{
  transform:translateY(-2px);
}
.filters button.active{
  background:var(--accent);
  color:#05060c;
}
.results{
  display:grid;
  gap:1rem;
}
.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:14px;
  padding:1.2rem 1.4rem;
  display:flex;
  flex-direction:column;
  gap:.75rem;
  transition:transform .2s ease, border .2s ease;
}
.card:hover{
  transform:translateY(-4px);
  border:1px solid var(--accent);
}
.card h3{
  margin:0;
  font-size:1.25rem;
}
.meta{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem;
  font-size:.85rem;
  color:var(--muted);
}
.meta span{
  background:#0b1220;
  border-radius:999px;
  padding:.35rem .75rem;
  border:1px solid var(--border);
}
.summary{
  line-height:1.55;
  color:var(--text);
}
.card a{
  align-self:flex-start;
  color:var(--accent);
  text-decoration:none;
  font-size:.95rem;
}
.card a:hover{
  text-decoration:underline;
}
a{
  color:var(--accent);
}
@media(max-width:600px){
  .hero h1{font-size:2rem;}
  input[type=search]{width:100%;}
}