:root{
  --bg:#0e0f13; --panel:#15171e; --ink:#e9ebf0; --muted:#9aa3b2;
  --brand:#7c5cff; --brand2:#22d3ee; --line:#252833; --max:880px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);background:rgba(14,15,19,.85);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;letter-spacing:-.02em;font-size:20px;color:var(--ink)}
.logo span{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
nav a{color:var(--muted);margin-left:22px;font-size:15px}
nav a:hover{color:var(--ink);text-decoration:none}
.hero{padding:72px 0 48px;text-align:center}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.1;margin:0 0 16px;letter-spacing:-.03em}
.hero p{font-size:19px;color:var(--muted);max-width:620px;margin:0 auto}
.tag{display:inline-block;font-size:13px;color:var(--brand2);border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:22px;text-transform:uppercase;letter-spacing:.08em}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;padding:24px 0 64px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-3px);border-color:#3a3f50}
.card h3{margin:0 0 8px;font-size:18px}
.card h3 a{color:var(--ink)}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .meta{font-size:12px;color:var(--brand);text-transform:uppercase;letter-spacing:.07em;margin-bottom:10px}
article.post{padding:48px 0 64px;max-width:720px}
article.post h1{font-size:clamp(28px,4.5vw,40px);line-height:1.15;letter-spacing:-.02em;margin:0 0 10px}
article.post .byline{color:var(--muted);font-size:14px;margin-bottom:32px;border-bottom:1px solid var(--line);padding-bottom:20px}
article.post h2{font-size:24px;margin:38px 0 12px;letter-spacing:-.01em}
article.post p{margin:0 0 18px}
article.post ul{color:var(--ink);padding-left:22px}
article.post li{margin:8px 0}
.callout{background:linear-gradient(135deg,rgba(124,92,255,.12),rgba(34,211,238,.08));border:1px solid #2c3142;border-radius:14px;padding:20px 22px;margin:28px 0}
.callout strong{color:var(--ink)}
.btn{display:inline-block;background:linear-gradient(90deg,var(--brand),var(--brand2));color:#0b0c10;font-weight:700;padding:11px 20px;border-radius:10px;margin-top:6px}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:32px 0;margin-top:40px}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}
footer.site a{color:var(--muted)}