/* ─────────  H2G Blog styles  ───────── */
:root{
  --navy-900:#0a1f3d; --navy-800:#0f2a52; --navy-700:#14366b;
  --blue-600:#1e5bb8; --blue-500:#2d72d9; --blue-400:#4a8def; --blue-50:#eaf2fb;
  --ink-900:#0c1421; --ink-700:#2b3849; --ink-500:#5a6878; --ink-300:#9aa5b3;
  --line:#e2e7ee; --paper:#fff; --wash:#f6f8fb;
  --shadow-md:0 8px 24px rgba(10,31,61,.08),0 2px 6px rgba(10,31,61,.06);
  --maxw:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink-900);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--blue-600);text-decoration:none}
a:hover{color:var(--blue-500)}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:'Archivo',sans-serif;color:var(--navy-900);line-height:1.2;letter-spacing:-.01em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:44px;height:44px}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text .b1{font-family:'Archivo',sans-serif;font-weight:900;font-size:22px;color:var(--navy-900);letter-spacing:-.02em}
.brand-text .b2{font-size:11px;font-family:'JetBrains Mono',monospace;color:var(--blue-600);margin-top:3px;letter-spacing:.08em}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-right a.link{font-weight:600;font-size:14px;color:var(--ink-700)}
.nav-right a.link:hover{color:var(--blue-600)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;padding:11px 20px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn-primary{background:var(--blue-600);color:#fff}
.btn-primary:hover{background:var(--blue-500);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,91,184,.35)}
.btn-dark{background:var(--navy-900);color:#fff}
.btn-dark:hover{background:var(--navy-800);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--navy-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue-400);color:var(--blue-600)}

/* Breadcrumb */
.crumbs{font-size:13px;color:var(--ink-500);padding:20px 0 0}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--blue-600)}
.crumbs span{margin:0 8px;color:var(--ink-300)}

/* Blog hub hero */
.hub-hero{background:linear-gradient(135deg,var(--navy-900) 0%,var(--navy-800) 55%,var(--navy-700) 100%);color:#fff;padding:64px 0 72px}
.hub-hero .eyebrow{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-400);font-weight:600}
.hub-hero h1{color:#fff;font-size:clamp(30px,5vw,46px);margin:14px 0 14px;max-width:16ch}
.hub-hero p{color:rgba(255,255,255,.8);font-size:18px;max-width:56ch}

/* Post grid */
.posts{padding:56px 0 24px}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.pcard{background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--blue-400)}
.pcard .thumb{height:150px;background:linear-gradient(135deg,var(--blue-600),var(--navy-800));display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.9)}
.pcard .thumb svg{width:52px;height:52px;stroke:currentColor;fill:none;stroke-width:1.6}
.pcard .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.pcard .tag{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:600;color:var(--blue-600);letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px}
.pcard h2{font-size:18px;line-height:1.3;margin:0 0 10px}
.pcard p{font-size:14px;color:var(--ink-500);margin:0 0 16px}
.pcard .more{margin-top:auto;font-weight:700;font-size:14px;color:var(--blue-600)}

/* Article */
.article{padding:8px 0 10px}
.article .head{max-width:760px;margin:0 auto;padding:22px 0 8px}
.article .tag{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;color:var(--blue-600);letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.article h1{font-size:clamp(28px,4.4vw,42px);margin:0 0 16px}
.article .meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:13.5px;color:var(--ink-500);border-bottom:1px solid var(--line);padding-bottom:22px}
.article .meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-300)}
.prose{max-width:760px;margin:0 auto;padding:8px 0 10px;font-size:17px;color:var(--ink-700)}
.prose h2{font-size:26px;margin:38px 0 14px;color:var(--navy-900)}
.prose h3{font-size:20px;margin:28px 0 10px;color:var(--navy-900)}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin:0 0 9px}
.prose strong{color:var(--ink-900)}
.prose a{font-weight:600;border-bottom:1px solid rgba(30,91,184,.3)}
.prose a:hover{border-color:var(--blue-500)}
.lead{font-size:19px;color:var(--ink-700);line-height:1.6}
.callout{background:var(--blue-50);border:1px solid #d4e4f7;border-left:4px solid var(--blue-500);border-radius:12px;padding:20px 22px;margin:24px 0;font-size:16px}
.callout strong{color:var(--navy-900)}
.keytable{width:100%;border-collapse:collapse;margin:22px 0;font-size:15.5px}
.keytable th,.keytable td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.keytable th{background:var(--wash);font-family:'Archivo',sans-serif;color:var(--navy-900);font-size:13px;text-transform:uppercase;letter-spacing:.04em}
.keytable td:last-child{font-family:'JetBrains Mono',monospace;color:var(--blue-600);font-weight:600;white-space:nowrap}

/* In-article CTA */
.cta-box{max-width:760px;margin:40px auto;background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:#fff;border-radius:18px;padding:34px 34px}
.cta-box h3{color:#fff;font-size:24px;margin:0 0 8px}
.cta-box p{color:rgba(255,255,255,.82);margin:0 0 20px;font-size:16px}
.cta-box .btn-primary{background:#fff;color:var(--navy-900)}
.cta-box .btn-primary:hover{background:var(--blue-50);color:var(--navy-900)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Related */
.related{max-width:760px;margin:44px auto 0;border-top:1px solid var(--line);padding-top:30px}
.related h3{font-size:15px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-500);margin-bottom:16px}
.related-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.related-list a{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:12px;font-weight:600;color:var(--navy-900);font-size:15px;line-height:1.35}
.related-list a:hover{border-color:var(--blue-400);background:var(--wash);color:var(--blue-600)}

/* Footer */
.foot{background:#050d1c;color:rgba(255,255,255,.7);padding:56px 0 26px;margin-top:64px}
.foot .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px}
.foot .brand-text .b1{color:#fff}
.foot .brand-text .b2{color:var(--blue-400)}
.foot .fcol h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:14px}
.foot .fcol a{display:block;color:rgba(255,255,255,.65);font-size:14px;margin-bottom:9px}
.foot .fcol a:hover{color:var(--blue-400)}
.foot .blurb{font-size:14px;color:rgba(255,255,255,.6);max-width:34ch;margin:16px 0}
.social-row{display:flex;gap:12px;margin-top:8px}
.social-row a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.85);transition:transform .18s ease,background .18s ease}
.social-row a:hover{transform:translateY(-2px);background:var(--blue-600);color:#fff;border-color:var(--blue-600)}
.social-row a svg{width:20px;height:20px;fill:currentColor}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:30px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5)}

@media(max-width:900px){
  .post-grid{grid-template-columns:1fr 1fr}
  .nav-right .link{display:none}
}
@media(max-width:600px){
  .post-grid{grid-template-columns:1fr}
  .related-list{grid-template-columns:1fr}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}