/* Ardelis blog: shared design layer, aligned with the homepage ("builders who ship").
   Loaded after Tailwind on posts; element selectors set the brand, Tailwind handles neutral layout utilities. */

:root {
  --bg:#0A0A0B; --surface:#141417; --surface2:#191920;
  --line:rgba(255,255,255,0.075); --line2:rgba(255,255,255,0.14);
  --text:#ECECEE; --muted:#8B8B92; --faint:#5f5f68;
  --accent:#34D399; --accent-soft:rgba(52,211,153,0.12); --accent-line:rgba(52,211,153,0.34); --on-accent:#08130E;
}

* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body {
  margin:0; background:var(--bg); color:var(--text);
  font-family:'Geist', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing:antialiased; line-height:1.6;
}
h1,h2,h3,h4,h5,h6 { font-family:'Clash Display','Geist',sans-serif; font-weight:600; letter-spacing:-0.01em; color:var(--text); }
a { color:var(--accent); text-decoration:none; }

/* layout columns */
.blog-wrap { width:min(760px,92vw); margin:0 auto; }   /* reading column */
.blog-wide { width:min(1100px,92vw); margin:0 auto; }   /* index column */

/* header */
.blog-header { position:sticky; top:0; z-index:30; border-bottom:1px solid var(--line);
  background:rgba(10,10,11,0.78); -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px); }
.blog-header .bar { width:min(1100px,92vw); margin:0 auto; height:64px; display:flex; align-items:center; justify-content:space-between; }
.blog-brand { display:inline-flex; align-items:center; gap:.6rem; font-family:'Clash Display',sans-serif; font-weight:600; font-size:1.12rem; color:var(--text); }
.blog-brand .bd { width:18px; height:18px; border-radius:6px; background:var(--accent); }
.blog-brand .brand-mark { color:var(--accent); flex:none; }
.blog-nav { display:inline-flex; align-items:center; gap:1.6rem; }
.blog-nav a { font-size:.92rem; color:var(--muted); }
.blog-nav a:hover { color:var(--text); }
.blog-nav a.active { color:var(--accent); }
.blog-btn { display:inline-flex; align-items:center; height:38px; padding:0 1.05rem; border-radius:9px; font-size:.9rem; color:var(--text);
  border:1px solid var(--line2); background:linear-gradient(180deg,rgba(255,255,255,0.05),rgba(255,255,255,0.012));
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08); transition:border-color .2s; }
.blog-btn:hover { border-color:var(--accent-line); }
@media (max-width:720px){ .blog-nav .hide-sm { display:none; } }

/* breadcrumb */
.blog-crumb { font-family:'JetBrains Mono',monospace; font-size:.74rem; letter-spacing:.03em; color:var(--muted); margin:2.4rem 0 1.4rem; }
.blog-crumb a { color:var(--muted); }
.blog-crumb a:hover { color:var(--text); }
.blog-crumb .sep { color:var(--faint); margin:0 .5rem; }

/* article header */
.blog-article { padding-bottom:2rem; }
.blog-metarow { display:flex; align-items:center; gap:.9rem; flex-wrap:wrap; font-family:'JetBrains Mono',monospace;
  font-size:.72rem; letter-spacing:.04em; color:var(--muted); margin-bottom:1.1rem; }
.blog-tag { color:var(--accent); background:var(--accent-soft); border:1px solid var(--accent-line);
  padding:.32rem .65rem; border-radius:999px; text-transform:uppercase; letter-spacing:.08em; }
.blog-title { font-size:clamp(2rem,5vw,3rem); line-height:1.05; margin:.4rem 0 1rem; }
.blog-lead { font-size:1.18rem; color:var(--muted); line-height:1.55; margin-bottom:2rem; }
.blog-author { display:flex; align-items:center; gap:.9rem; padding-bottom:2rem; margin-bottom:2.6rem; border-bottom:1px solid var(--line); }
.blog-author .av { width:42px; height:42px; border-radius:50%; background:var(--accent); color:var(--on-accent);
  display:grid; place-items:center; font-family:'Clash Display',sans-serif; font-weight:600; font-size:.88rem; }
.blog-author .nm { font-weight:600; font-size:.95rem; }
.blog-author .rl { font-family:'JetBrains Mono',monospace; font-size:.68rem; text-transform:uppercase; letter-spacing:.06em; color:var(--muted); margin-top:.2rem; }

/* prose / reading body */
.prose { font-size:1.06rem; line-height:1.78; color:#c9c9cf; max-width:72ch; }
.prose p { margin:1.3rem 0; }
.prose h2 { font-size:1.7rem; color:var(--text); margin:2.6rem 0 1rem; }
.prose h3 { font-size:1.32rem; color:var(--text); margin:2rem 0 .8rem; }
.prose a { color:var(--accent); text-decoration:underline; text-underline-offset:3px; text-decoration-color:var(--accent-line); }
.prose a:hover { text-decoration-color:var(--accent); }
.prose ul, .prose ol { margin:1.3rem 0; padding-left:1.4rem; }
.prose li { margin:.5rem 0; }
.prose li::marker { color:var(--accent); }
.prose strong { color:var(--text); font-weight:600; }
.prose code { font-family:'JetBrains Mono',monospace; font-size:.88em; background:var(--surface2); border:1px solid var(--line); border-radius:6px; padding:.12em .42em; }
.prose pre { background:var(--surface2); border:1px solid var(--line); border-radius:12px; padding:1.1rem 1.2rem; overflow:auto; }
.prose pre code { background:none; border:0; padding:0; }
.prose blockquote { margin:1.6rem 0; padding:.5rem 1.2rem; border-left:2px solid var(--accent-line); color:var(--muted); }
.prose img { max-width:100%; border-radius:12px; border:1px solid var(--line); }

/* step / callout component (used by content-heavy posts) */
.blog-step { display:flex; align-items:flex-start; gap:1rem; padding:1.1rem 1.2rem; margin:.9rem 0;
  background:var(--surface2); border:1px solid var(--line); border-radius:12px; }
.blog-step .n { flex:none; width:30px; height:30px; border-radius:50%; background:var(--accent); color:var(--on-accent);
  display:grid; place-items:center; font-family:'JetBrains Mono',monospace; font-weight:500; font-size:.85rem; }
.blog-callout { background:var(--surface2); border:1px solid var(--line); border-radius:14px; padding:1.4rem 1.5rem; margin:1.6rem 0; }

/* topics / tag list */
.blog-topics { margin-top:3rem; padding-top:2rem; border-top:1px solid var(--line); }
.blog-topics .lbl { font-family:'JetBrains Mono',monospace; font-size:.66rem; letter-spacing:.1em; text-transform:uppercase; color:var(--faint); margin-bottom:.9rem; }
.blog-chips { display:flex; flex-wrap:wrap; gap:.55rem; }
.blog-chips span { font-family:'JetBrains Mono',monospace; font-size:.72rem; color:var(--muted);
  background:rgba(255,255,255,0.04); border:1px solid var(--line2); border-radius:999px; padding:.34rem .7rem; }

/* end-of-post CTA: follows the homepage card system (glass card, glass buttons, emerald accents) */
.blog-cta { margin:3.5rem 0 1rem; padding:2.2rem 2.3rem; border-radius:18px;
  background:linear-gradient(180deg, rgba(30,30,38,0.72), rgba(17,17,23,0.62));
  border:1px solid var(--line2); box-shadow:inset 0 1px 0 rgba(255,255,255,0.08); }
.blog-cta .eyebrow { font-family:'JetBrains Mono',monospace; font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--accent); }
.blog-cta h2 { font-size:clamp(1.5rem,3.5vw,2rem); line-height:1.08; margin:.7rem 0 .8rem; }
.blog-cta > p { color:var(--muted); font-size:1.02rem; line-height:1.6; margin:0 0 1.3rem; max-width:62ch; }
.blog-cta .cta-chips { display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:1.2rem; }
.blog-cta .chip { font-family:'JetBrains Mono',monospace; font-size:.7rem; letter-spacing:.04em; color:var(--accent);
  background:var(--accent-soft); border:1px solid var(--accent-line); border-radius:999px; padding:.34rem .7rem; }
.blog-cta .proof { font-family:'JetBrains Mono',monospace; font-size:.75rem; line-height:1.5; color:var(--muted);
  margin:0 0 1.6rem; padding-left:.9rem; border-left:2px solid var(--accent-line); }
.blog-cta .cta-row { display:flex; flex-wrap:wrap; gap:.8rem; }
.blog-cta .btn-primary, .blog-cta .btn-ghost { display:inline-flex; align-items:center; height:44px; padding:0 1.25rem;
  border-radius:11px; font-size:.92rem; text-decoration:none; transition:border-color .2s, transform .15s; }
.blog-cta .btn-primary { color:var(--text); font-weight:500; border:1px solid var(--accent-line); background:var(--accent-soft); }
.blog-cta .btn-primary:hover { border-color:var(--accent); transform:translateY(-1px); }
.blog-cta .btn-ghost { color:var(--text); border:1px solid var(--line2);
  background:linear-gradient(180deg,rgba(255,255,255,0.05),rgba(255,255,255,0.012)); box-shadow:inset 0 1px 0 rgba(255,255,255,0.08); }
.blog-cta .btn-ghost:hover { border-color:var(--accent-line); transform:translateY(-1px); }

/* index hero + cards */
.blog-hero { padding:clamp(3rem,8vh,5rem) 0 2.2rem; }
.blog-hero .eyebrow { font-family:'JetBrains Mono',monospace; font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color:var(--accent); }
.blog-hero h1 { font-size:clamp(2.2rem,5vw,3.2rem); margin:.85rem 0 .6rem; }
.blog-hero p { color:var(--muted); font-size:1.1rem; max-width:54ch; line-height:1.55; }
.blog-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.1rem; padding-bottom:1rem; }
.blog-card { display:flex; flex-direction:column; padding:1.7rem 1.8rem; border-radius:16px; border:1px solid var(--line2);
  background:linear-gradient(180deg, rgba(25,25,32,0.7), rgba(17,17,23,0.55)); box-shadow:inset 0 1px 0 rgba(255,255,255,0.06);
  transition:border-color .2s, transform .2s; }
.blog-card:hover { border-color:var(--accent-line); transform:translateY(-2px); }
.blog-card .date { font-family:'JetBrains Mono',monospace; font-size:.64rem; letter-spacing:.07em; text-transform:uppercase; color:var(--faint); }
.blog-card h2 { font-size:1.3rem; margin:.7rem 0 .55rem; }
.blog-card p { color:var(--muted); font-size:.94rem; line-height:1.55; margin:0; }
@media (max-width:720px){ .blog-grid { grid-template-columns:1fr; } }

/* empty state */
.blog-empty { text-align:center; padding:clamp(4rem,12vh,7rem) 0; }
.blog-empty h1 { font-size:clamp(2rem,5vw,2.8rem); margin-bottom:.8rem; }
.blog-empty p { color:var(--muted); margin-bottom:2rem; }

/* footer */
.blog-footer { border-top:1px solid var(--line); margin-top:4rem; padding:2.8rem 0; }
.blog-footer .inner { width:min(1100px,92vw); margin:0 auto; display:flex; align-items:center; justify-content:space-between;
  gap:1rem; flex-wrap:wrap; font-family:'JetBrains Mono',monospace; font-size:.76rem; color:var(--faint); }
.blog-footer a { color:var(--muted); }
.blog-footer a:hover { color:var(--accent); }