:root{
  --ink:#111827;--muted:#5f6b61;--bg:#f4f7f1;--bg-soft:#eef3eb;--card:#ffffff;
  --dark:#07110f;--dark-2:#0c1714;--line:rgba(17,24,39,.08);
  --accent:#b7f34b;--accent-2:#9ddb3c;--radius:6px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,Manrope,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.wrap{width:min(760px,calc(100% - 40px));margin-inline:auto}
.btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border:1px solid transparent;border-radius:var(--radius);font-weight:850;
  font-size:.86rem;letter-spacing:.01em;cursor:pointer;transition:.15s}
.btn-primary{background:var(--accent);color:var(--dark);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff}
.btn-dark{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-dark:hover{border-color:var(--accent-2);background:var(--bg-soft)}

header.site{position:sticky;top:0;z-index:50;background:rgba(7,17,15,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.08)}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{color:#fff;font-weight:850;font-size:1rem}
.brand small{display:block;color:var(--accent);font-weight:600;font-size:.7rem;letter-spacing:.04em}
.nav{display:flex;gap:1.3rem;align-items:center;font-size:.9rem;font-weight:650;color:rgba(255,255,255,.82)}
.nav a:hover{color:var(--accent)}
@media(max-width:640px){.nav a:not(.cta){display:none}}
.nav .cta{color:var(--dark);background:var(--accent);padding:.45rem 1rem;border-radius:var(--radius);font-weight:800}

.post-hero{padding:52px 0 26px}
.eyebrow{font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2)}
.post-hero h1{font-size:clamp(1.9rem,4.5vw,2.7rem);font-weight:850;letter-spacing:-.02em;line-height:1.12;margin:.6rem 0}
.post-meta{color:var(--muted);font-size:.9rem;font-weight:600}
.post-meta a{color:var(--accent-2)}

article.post{padding:8px 0 8px;font-size:1.075rem;line-height:1.75}
article.post h2{font-size:1.6rem;font-weight:850;letter-spacing:-.01em;margin:2.2rem 0 .8rem;padding-top:.4rem}
article.post h3{font-size:1.22rem;font-weight:800;margin:1.6rem 0 .5rem}
article.post p{margin:0 0 1.15rem;color:#1f2937}
article.post ul,article.post ol{margin:0 0 1.15rem 1.3rem}
article.post li{margin:.35rem 0}
article.post a{color:#1f7a4d;font-weight:600;text-decoration:underline;text-decoration-color:var(--accent-2);text-underline-offset:3px}
article.post a:hover{color:var(--accent-2)}
article.post strong{color:var(--ink)}
article.post blockquote{border-left:4px solid var(--accent);background:var(--bg-soft);
  padding:.8rem 1.2rem;margin:0 0 1.15rem;border-radius:0 8px 8px 0;color:#374151}
article.post blockquote p{margin:0}
article.post code{background:#eef3eb;padding:.12em .4em;border-radius:4px;font-size:.9em;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
article.post pre{background:var(--dark);color:#e5f6d0;padding:1rem 1.2rem;border-radius:8px;overflow:auto;margin:0 0 1.15rem}
article.post pre code{background:none;padding:0;color:inherit}
article.post table{width:100%;border-collapse:collapse;margin:0 0 1.4rem;font-size:.96rem}
article.post th,article.post td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left}
article.post th{background:var(--bg-soft);font-weight:800}
article.post img{max-width:100%;border-radius:8px}
article.post hr{border:none;border-top:1px solid var(--line);margin:2rem 0}
.screenshot{background:var(--bg-soft);border:1px dashed #b9c6bd;border-radius:8px;color:var(--muted);
  font-size:.9rem;padding:.9rem 1.1rem;margin:0 0 1.15rem;font-style:italic}
article.post a.dl-btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--dark);
  font-weight:850;padding:13px 22px;border-radius:6px;text-decoration:none;margin:.4rem 0 1rem}
article.post a.dl-btn:hover{background:var(--accent-2);color:var(--dark)}
article.post figure.fig{margin:1.6rem 0;text-align:center}
article.post figure.fig img{width:100%;max-width:700px;height:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
article.post figure.fig figcaption{color:var(--muted);font-size:.85rem;margin-top:.55rem;font-style:italic}

.cta-box{background:var(--dark);color:#fff;border-radius:14px;padding:2rem 1.8rem;margin:2.4rem 0 1rem;text-align:center}
.cta-box h3{color:#fff;font-size:1.35rem;margin-bottom:.5rem}
.cta-box p{color:rgba(255,255,255,.78);margin:0 auto 1.3rem;max-width:48ch}
.author-box{display:flex;gap:1rem;align-items:flex-start;border-top:1px solid var(--line);
  margin-top:2rem;padding-top:1.5rem;color:var(--muted);font-size:.94rem}
.author-box .av{flex:none;width:46px;height:46px;border-radius:50%;background:var(--dark);color:var(--accent);
  display:grid;place-items:center;font-weight:850}
.author-box b{color:var(--ink)}

footer.site{border-top:1px solid var(--line);margin-top:2.5rem;padding:34px 0;color:var(--muted);font-size:.9rem}
footer.site .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
footer.site a{font-weight:600;color:var(--ink)}

/* blog index */
.index-hero{padding:60px 0 20px}
.index-hero h1{font-size:clamp(2rem,4.5vw,2.9rem);font-weight:850;letter-spacing:-.02em}
.index-hero p{color:var(--muted);font-size:1.1rem;margin-top:.7rem;max-width:60ch}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem;padding:26px 0 40px}
@media(max-width:720px){.post-grid{grid-template-columns:1fr}}
.pcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:1.5rem;transition:.15s}
.pcard:hover{border-color:var(--accent-2);transform:translateY(-2px)}
.pcard .tag{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.pcard h2{font-size:1.2rem;font-weight:800;margin:.4rem 0 .5rem;line-height:1.25}
.pcard p{color:var(--muted);font-size:.94rem;flex:1}
.pcard .more{margin-top:1rem;color:#1f7a4d;font-weight:800;font-size:.9rem}
.eyebrow a{color:var(--accent-2);text-decoration:none}
.eyebrow a:hover{text-decoration:underline}
.eyebrow .sep{color:var(--muted);opacity:.55;margin:0 4px}
.cluster{padding:4px 0 14px}
.cluster-h{display:flex;align-items:baseline;gap:.6rem;font-size:1.45rem;font-weight:850;letter-spacing:-.01em;margin:20px 0 3px}
.cluster-h span{font-size:.82rem;font-weight:700;color:var(--muted)}
.cluster-desc{color:var(--muted);max-width:62ch;margin:0 0 6px}