:root{
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --sans:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ground:#F5F6FB; --surface:#FFFFFF; --ink:#14142B; --text:#2A2C44; --muted:#666C86;
  --line:#E6E8F0; --indigo:#0D0E1E; --teal:#12B39C; --teal-bright:#1FD3B8; --teal-text:#0B8474; --coral:#FF6B5C; --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth} body{margin:0}
body{font-family:var(--sans);color:var(--text);background:var(--ground);-webkit-font-smoothing:antialiased;line-height:1.7}
a{color:var(--teal-text)}
.wrap{max-width:1000px;margin:0 auto;padding:0 22px}
.narrow{max-width:720px}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(245,246,251,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header .bar{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand .wm{font-family:var(--mono);font-weight:700;font-size:19px;color:var(--ink)}
.brand .wm b{color:var(--teal-text)}
nav.main{display:flex;align-items:center;gap:22px}
nav.main a{text-decoration:none;color:var(--text);font-weight:600;font-size:15px}
nav.main a:hover{color:var(--teal-text)}
.navcta{display:flex;align-items:center;gap:12px}
.btn-call{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-weight:700;font-size:14px;background:var(--ink);color:#fff;text-decoration:none;padding:13px 20px;border-radius:12px}
.btn-call svg{width:18px;height:18px}
.menub{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:8px;cursor:pointer;color:var(--ink)}
@media(max-width:720px){
  nav.main{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 14px 30px -16px rgba(20,20,43,.3);padding:6px 0}
  nav.main.open{display:flex}
  nav.main a{padding:13px 22px;font-size:16px;border-top:1px solid var(--line)}
  nav.main a:first-child{border-top:none}
  .navcta .btn-call{display:none}
  .menub{display:inline-flex}
}

/* hero band for listing */
.bloghero{background:radial-gradient(90% 100% at 85% -20%,rgba(31,211,184,.16),transparent 55%),var(--indigo);color:#EDEFF8;padding:56px 0 48px}
.bloghero .eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#8E93A8;margin:0 0 12px}
.bloghero h1{font-size:clamp(30px,5vw,46px);letter-spacing:-.02em;margin:0;color:#fff}
.bloghero p{color:#AEB3C6;margin:14px 0 0;max-width:56ch;font-size:17px}

/* listing grid */
.postgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;padding:44px 0 64px}
.postcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease}
.postcard:hover{transform:translateY(-4px);box-shadow:0 22px 44px -26px rgba(20,20,43,.35)}
.postcard .top{height:120px;background:linear-gradient(135deg,#16182f,var(--indigo));display:flex;align-items:center;justify-content:center}
.postcard .top svg{width:64px;height:64px}
.postcard .body{padding:20px;display:flex;flex-direction:column;flex:1}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-text);font-weight:700}
.postcard h2{font-size:19px;color:var(--ink);margin:8px 0 6px;letter-spacing:-.01em;line-height:1.25}
.postcard p{color:var(--muted);font-size:14px;margin:0 0 14px;flex:1}
.readmeta{font-family:var(--mono);font-size:12px;color:var(--muted)}

/* article */
article{padding:44px 0 20px}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
article h1{font-size:clamp(28px,4.5vw,42px);color:var(--ink);letter-spacing:-.02em;line-height:1.12;margin:0 0 14px;text-wrap:balance}
.byline{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:8px}
.byline .tag{color:var(--teal-text)}
.prose{font-size:17px;color:var(--text)}
.prose h2{font-size:24px;color:var(--ink);margin:36px 0 10px;letter-spacing:-.01em}
.prose h3{font-size:18px;color:var(--ink);margin:26px 0 6px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}
.prose li{margin:0 0 8px}
.prose strong{color:var(--ink)}
.callout{background:rgba(31,211,184,.09);border:1px solid rgba(31,211,184,.35);border-radius:14px;padding:20px 22px;margin:26px 0}
.callout .h{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-text);font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.callout ul{margin:6px 0 0}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}
.warn{background:rgba(255,107,92,.08);border-color:rgba(255,107,92,.35)}
.warn .h{color:var(--coral)}

/* end CTA */
.cta-end{background:radial-gradient(80% 130% at 80% -10%,rgba(31,211,184,.22),transparent 55%),var(--indigo);border-radius:22px;padding:36px;color:#EDEFF8;margin:44px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-end h3{color:#fff;font-size:22px;margin:0}
.cta-end p{color:#AEB3C6;margin:6px 0 0}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-weight:700;font-size:14px;border-radius:12px;padding:12px 20px;text-decoration:none;background:var(--teal-bright);color:#06231E;white-space:nowrap}

/* footer */
footer{background:var(--indigo);color:#AEB3C6;margin-top:40px}
footer .in{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding:26px 0;font-family:var(--mono);font-size:13px}
footer a{color:#AEB3C6;text-decoration:none} footer a:hover{color:#fff}
footer .wm{color:#fff;font-weight:700;font-size:16px}
footer .wm b{color:var(--teal-bright)}