:root{
  --bg:#0d1017;
  --bg-soft:#11151f;
  --card:#161b27;
  --card-2:#1b2130;
  --line:#232b3b;
  --fg:#e8ebf2;
  --muted:#9aa6bd;
  --accent:#5b8cff;
  --accent-2:#7c5cff;
  --green:#3fb950;
  --yellow:#e3b341;
  --pink:#ff7b9c;
  --radius:14px;
  --maxw:880px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(124,92,255,.18),transparent 60%),
             radial-gradient(900px 500px at -10% 0%,rgba(91,140,255,.16),transparent 55%),
             var(--bg);
  color:var(--fg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:#9bb6ff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* header / nav */
.site-head{padding:26px 0;border-bottom:1px solid var(--line);position:sticky;top:0;
  backdrop-filter:saturate(140%) blur(10px);background:rgba(13,16,23,.72);z-index:10}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;letter-spacing:.3px}
.logo .mark{width:30px;height:30px}
.logo b{color:var(--accent)}
nav{display:flex;gap:20px;flex-wrap:wrap}
nav a{color:var(--muted);font-size:.96rem;font-weight:500}
nav a:hover,nav a.active{color:var(--fg)}

/* hero */
.hero{padding:64px 0 36px}
.hero .grid{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center}
.hero h1{font-size:2.6rem;line-height:1.15;margin:0 0 14px;
  background:linear-gradient(90deg,#fff,#bcd0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:1.12rem;margin:0 0 22px;max-width:46ch}
.hero .art{width:100%;height:auto;filter:drop-shadow(0 18px 40px rgba(91,140,255,.25))}
.btn{display:inline-block;padding:11px 18px;border-radius:10px;font-weight:600;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}
.btn+.btn{margin-left:10px}

/* sections */
h2.section{font-size:1.05rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);
  margin:44px 0 18px;font-weight:700}

/* cards / posts */
.cards{display:grid;gap:18px}
article.card,a.card{display:block;background:linear-gradient(180deg,var(--card),var(--card-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;transition:.18s;color:inherit}
a.card:hover{transform:translateY(-3px);border-color:#33405a;box-shadow:0 14px 30px rgba(0,0,0,.35)}
.card .meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.84rem;margin-bottom:8px}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.74rem;font-weight:600;
  background:rgba(91,140,255,.15);color:#9bb6ff;border:1px solid rgba(91,140,255,.25)}
.tag.green{background:rgba(63,185,80,.13);color:#7ee787;border-color:rgba(63,185,80,.25)}
.tag.pink{background:rgba(255,123,156,.13);color:#ff9db5;border-color:rgba(255,123,156,.25)}
.tag.yellow{background:rgba(227,179,65,.13);color:#f1cf6b;border-color:rgba(227,179,65,.25)}
.card h3{margin:0 0 6px;font-size:1.28rem}
.card p{margin:6px 0 0;color:#c4ccda}

/* article body */
.post{padding:30px 0 10px}
.post header{margin-bottom:24px}
.post h1{font-size:2.1rem;margin:10px 0 10px;line-height:1.2}
.post .meta{color:var(--muted);font-size:.9rem;display:flex;gap:12px;align-items:center}
.post-body p{color:#d2d8e3;margin:16px 0}
.post-body h2{margin:30px 0 8px;font-size:1.45rem}
.post-body ul{color:#d2d8e3}
.post-body figure{margin:24px 0;text-align:center}
.post-body figcaption{color:var(--muted);font-size:.85rem;margin-top:8px}

/* code */
pre{background:#0a0d14;border:1px solid var(--line);border-radius:10px;padding:16px 18px;
  overflow:auto;font-size:.86rem;line-height:1.55;margin:18px 0}
code{font-family:"SFMono-Regular",ui-monospace,Consolas,"Liberation Mono",monospace}
:not(pre)>code{background:#0a0d14;border:1px solid var(--line);padding:.1em .42em;border-radius:6px;font-size:.86em;color:#c9d4e8}
.k{color:#ff7b9c}.s{color:#7ee787}.c{color:#6b7689;font-style:italic}.n{color:#e3b341}.f{color:#79c0ff}

/* footer */
.site-foot{border-top:1px solid var(--line);margin-top:56px;padding:30px 0;color:var(--muted);font-size:.88rem}
.site-foot .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.site-foot a{color:var(--muted)}.site-foot a:hover{color:var(--fg)}

@media(max-width:680px){
  .hero .grid{grid-template-columns:1fr}
  .hero .art{max-width:320px;margin:0 auto;display:block}
  .hero h1{font-size:2rem}
  nav{gap:14px}
}