:root{
  --bg:#0b1020;
  --primary:#6ee7ff;
  --accent:#a78bfa;
  --text:#e6eefc;
  --muted:#99a3b3;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
header{position:sticky;top:0;background:rgba(8,12,28,.9);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;max-width:1100px;margin:0 auto;padding:14px 18px}
.logo{display:flex;gap:10px;align-items:center}
.logo span{font-weight:800;letter-spacing:.4px}
.logo .tag{display:inline-block;background:linear-gradient(90deg,var(--primary),var(--accent));padding:2px 8px;border-radius:999px;color:#0a0f1f;font-weight:700;font-size:.8rem}
nav a{margin:0 10px;color:var(--text);opacity:.9}
.cta{background:linear-gradient(90deg,var(--primary),var(--accent));color:#0a0f1f;padding:8px 14px;border-radius:12px;font-weight:800}
main{max-width:1100px;margin:24px auto;padding:0 18px 80px}
.hero{display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:center}
.hero h1{font-size:2.2rem;margin:.2rem 0}
.hero p{color:var(--muted)}
.card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
footer{border-top:1px solid rgba(255,255,255,.06);padding:26px 18px;color:var(--muted);text-align:center}
.kicker{letter-spacing:.14em;text-transform:uppercase;font-size:.74rem;color:var(--muted)}
ul.clean{list-style:none;padding-left:0}
.tagpill{display:inline-block;border:1px solid rgba(255,255,255,.12);padding:2px 8px;border-radius:999px;color:var(--muted);font-size:.8rem;margin-right:6px}
.article h1{margin-top:0}
.article img{max-width:100%;border-radius:14px;border:1px solid rgba(255,255,255,.12)}
.article .meta{color:var(--muted);font-size:.9rem;margin:.4rem 0 1rem}
.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:12px}
.adhint{display:block;text-align:center;border:1px dashed rgba(255,255,255,.15);padding:10px;border-radius:10px;color:var(--muted);font-size:.9rem}
table{border-collapse:collapse;width:100%}
td,th{border:1px solid rgba(255,255,255,.12);padding:10px;text-align:left}
code,kbd,pre{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:2px 6px;border-radius:6px}
@media(max-width:900px){
 .hero{grid-template-columns:1fr}
}