:root{
  --bg:#050810; --surface:#0a1025; --border:#1a2444;
  --text:#f1f5f9; --text-muted:#8896b8; --accent:#3b82f6;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  line-height:1.7; -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}

/* top bar */
.topbar{border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(5,8,16,.85);backdrop-filter:blur(12px);z-index:10}
.topbar .wrap{max-width:1100px;display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;letter-spacing:-.02em;text-decoration:none;font-size:15px;display:flex;align-items:center;gap:9px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent)}
.topnav a{color:var(--text-muted);text-decoration:none;font-size:13px;font-weight:500;margin-left:26px;transition:color .2s}
.topnav a:hover{color:var(--text)}

/* article */
.post{padding:64px 0 40px}
.kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:18px}
.post h1{font-family:'Playfair Display',serif;font-weight:800;font-size:clamp(2rem,5vw,3.1rem);line-height:1.08;letter-spacing:-.01em}
.byline{margin-top:20px;color:var(--text-muted);font-size:13.5px}
.byline a{color:var(--text);text-decoration:none;border-bottom:1px solid var(--border)}
.lede{font-size:1.25rem;line-height:1.55;color:#c9d4ec;margin:32px 0 8px}
.post h2{font-family:'Playfair Display',serif;font-weight:700;font-size:1.6rem;margin:40px 0 10px;letter-spacing:-.01em}
.post h3{font-size:1.1rem;font-weight:700;margin:26px 0 6px}
.post p{margin:14px 0;color:#dce3f2}
.post ul{margin:14px 0 14px 22px;color:#dce3f2}
.post li{margin:7px 0}
.post strong{color:#fff}
.post a.inline{color:#93b4ff;text-decoration:none;border-bottom:1px solid rgba(147,180,255,.35)}
.post a.inline:hover{border-color:#93b4ff}

/* product callout */
.callout{border:1px solid var(--border);border-radius:16px;background:var(--surface);padding:22px 24px;margin:30px 0}
.callout .k{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);font-weight:700}
.callout .n{font-family:'Playfair Display',serif;font-size:1.35rem;font-weight:700;margin:6px 0 4px}
.callout a{color:#93b4ff;text-decoration:none;font-size:14px;font-weight:600}

/* faq */
.faq{margin-top:44px;border-top:1px solid var(--border);padding-top:28px}
.faq h2{margin-top:0}
.faq .q{font-weight:700;color:#fff;margin-top:20px}
.faq .a{color:#c9d4ec;margin-top:4px}

/* related */
.more{margin-top:48px;border-top:1px solid var(--border);padding-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.more a{border:1px solid var(--border);border-radius:999px;padding:8px 15px;font-size:13px;color:var(--text-muted);text-decoration:none;transition:all .2s}
.more a:hover{color:var(--text);border-color:#2a3a66}

/* blog index */
.hero{padding:70px 0 26px}
.hero h1{font-family:'Playfair Display',serif;font-weight:800;font-size:clamp(2.2rem,6vw,3.4rem);letter-spacing:-.01em}
.hero p{color:var(--text-muted);font-size:1.05rem;margin-top:14px;max-width:56ch}
.postlist{padding:10px 0 70px}
.postlink{display:block;text-decoration:none;color:inherit;border-top:1px solid var(--border);padding:22px 0;transition:padding .25s}
.postlink:hover{padding-left:8px}
.postlink .c{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700}
.postlink h2{font-family:'Playfair Display',serif;font-weight:700;font-size:1.5rem;margin:6px 0;letter-spacing:-.01em}
.postlink p{color:var(--text-muted);font-size:.95rem}

footer.site{border-top:1px solid var(--border);padding:34px 0;color:var(--text-muted);font-size:13px}
footer.site .wrap{max-width:1100px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
footer.site a{color:var(--text-muted);text-decoration:none}
footer.site a:hover{color:var(--text)}