:root{
  --bg:#0b1220;
  --card:#111a2e;
  --text:#e8eefc;
  --muted:#b9c6e6;
  --accent:#7aa2ff;
  --border:rgba(255,255,255,.12);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,var(--bg),#070b14);color:var(--text);line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1040px;margin:0 auto;padding:20px}
header{position:sticky;top:0;background:rgba(7,11,20,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:10}
header .top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:flex;flex-direction:column}
.brand h1{margin:0;font-size:18px;letter-spacing:.2px}
.brand .tagline{margin-top:4px;color:var(--muted);font-size:13px}
nav{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0}
nav a{padding:6px 10px;border:1px solid var(--border);border-radius:999px;color:var(--text)}
nav a:hover{border-color:rgba(122,162,255,.6);text-decoration:none}
.hero{padding:26px;border:1px solid var(--border);border-radius:18px;background:linear-gradient(180deg,rgba(122,162,255,.12),rgba(255,255,255,.02))}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:18px}
.card{grid-column:span 12;padding:18px;border:1px solid var(--border);border-radius:18px;background:rgba(17,26,46,.72)}
@media(min-width:820px){
  .card.half{grid-column:span 6}
  .card.third{grid-column:span 4}
}
.card h2,.card h3{margin-top:0}
ul{margin:10px 0 0 18px}
footer{margin-top:40px;border-top:1px solid var(--border);padding:22px 0;color:var(--muted)}
.disclaimer{font-size:13px;color:var(--muted)}
.small{font-size:13px;color:var(--muted)}
.badge{display:inline-block;font-size:12px;padding:4px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted)}
.breadcrumbs{font-size:13px;color:var(--muted);margin:12px 0}
.breadcrumbs a{color:var(--muted)}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 16px 0;color:var(--muted);font-size:13px}
code,kbd{background:rgba(255,255,255,.08);border:1px solid var(--border);padding:2px 6px;border-radius:6px}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:14px}
.btn{display:inline-block;background:rgba(122,162,255,.18);border:1px solid rgba(122,162,255,.5);padding:10px 14px;border-radius:12px;color:var(--text)}
.btn:hover{text-decoration:none;border-color:rgba(122,162,255,.9)}
.hr{height:1px;background:var(--border);margin:18px 0}