:root{
  --bg:#0a0e1a; --panel:#141b30; --line:#22304f;
  --text:#e8ecf6; --muted:#93a0bc; --brand:#5b8cff; --brand2:#8b5bff;
  --accent:#39d98a; --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Inter,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
.container{max-width:760px;margin:0 auto;padding:0 24px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
header{padding:22px 0;border-bottom:1px solid var(--line)}
header .container{max-width:1060px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--text)}
.logo:hover{text-decoration:none}
.logo svg{width:28px;height:28px}
.nav-cta{background:var(--brand);color:#fff !important;padding:8px 18px;border-radius:999px;font-weight:600;font-size:.92rem}
.nav-cta:hover{text-decoration:none}
article{padding:56px 0 40px}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:18px}
.meta a{color:var(--muted)}
h1{font-size:clamp(1.8rem,4.5vw,2.6rem);line-height:1.18;letter-spacing:-.02em;margin-bottom:14px}
.lead{color:var(--muted);font-size:1.15rem;margin-bottom:34px}
h2{font-size:1.45rem;margin:42px 0 14px;letter-spacing:-.01em}
h3{font-size:1.15rem;margin:30px 0 10px}
article p{margin:0 0 18px}
article ul,article ol{margin:0 0 18px 24px}
article li{margin-bottom:8px}
article li,article p{color:#c6cfe2}
strong{color:var(--text)}
blockquote{border-left:3px solid var(--brand);padding:8px 0 8px 20px;margin:24px 0;color:var(--muted);font-style:italic}
code{background:#0b1220;border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;color:#b9c6e4}
pre{background:#0b1220;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;overflow-x:auto;margin:0 0 18px}
pre code{background:none;border:0;padding:0}
.cta-box{background:var(--panel);border:1px solid var(--brand);border-radius:var(--radius);padding:28px;margin:48px 0 20px;text-align:center}
.cta-box h3{margin-top:0}
.cta-box p{color:var(--muted)}
.cta-box a.btn{display:inline-block;background:linear-gradient(90deg,var(--brand),var(--brand2));color:#fff;font-weight:700;padding:12px 28px;border-radius:var(--radius);margin-top:8px}
.cta-box a.btn:hover{text-decoration:none}
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:.88rem;margin-top:40px}
footer .container{max-width:1060px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
/* blog index */
.post-list{padding:56px 0}
.post-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:18px;color:var(--text)}
.post-card:hover{border-color:var(--brand);text-decoration:none}
.post-card h2{margin:0 0 8px;font-size:1.25rem}
.post-card p{color:var(--muted);margin:0}
.post-card .date{color:var(--muted);font-size:.85rem;display:block;margin-top:10px}