/* ============================================================
   Shared styles for the blog — listing (blog.html) + post pages
   ============================================================ */
@font-face{
  font-family:'JetBrains Mono';
  font-style:normal;font-weight:400;font-display:swap;
  src:url('JetBrainsMono-2.304/fonts/webfonts/JetBrainsMono-Regular.woff2') format('woff2');
}
@font-face{
  font-family:'JetBrains Mono';
  font-style:normal;font-weight:500;font-display:swap;
  src:url('JetBrainsMono-2.304/fonts/webfonts/JetBrainsMono-Medium.woff2') format('woff2');
}
:root{
  --bg:#0a0a0b;--bg-2:#101012;--ink:#f4f4f2;--ink-dim:#9a9a98;--ink-faint:#5e5e5c;
  --line:rgba(255,255,255,0.12);--line-soft:rgba(255,255,255,0.06);
  --accent:#0f9d63;--accent-deep:#16c47c;--accent-soft:rgba(15,157,99,0.12);
  --sans:'Space Grotesk',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.5;overflow-x:hidden;position:relative}

/* blueprint backdrop */
.blueprint{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background-image:
    linear-gradient(rgba(255,255,255,.030) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.030) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:34px 34px,34px 34px,170px 170px,170px 170px;
  -webkit-mask-image:radial-gradient(140% 70% at 50% 0%,#000 45%,rgba(0,0,0,.45) 100%);
          mask-image:radial-gradient(140% 70% at 50% 0%,#000 45%,rgba(0,0,0,.45) 100%);}
.blueprint svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.blueprint .s{stroke:rgba(255,255,255,.10);fill:none;stroke-width:1.3;vector-effect:non-scaling-stroke}
.blueprint .sf{stroke:rgba(255,255,255,.055);fill:none;stroke-width:1;vector-effect:non-scaling-stroke}
.blueprint .dash{stroke:rgba(255,255,255,.08);fill:none;stroke-width:1;stroke-dasharray:7 6;vector-effect:non-scaling-stroke}
.blueprint text{fill:rgba(255,255,255,.11);font-family:'JetBrains Mono',monospace;font-size:17px;letter-spacing:.04em}

nav,main,footer{position:relative;z-index:1}
.accent{color:var(--accent)}

/* NAV (shared with the homepage) */
nav{display:flex;align-items:center;justify-content:space-between;padding:24px 44px;border-bottom:1px solid var(--line-soft);position:relative;z-index:30}
.logo{font-weight:700;font-size:15px;letter-spacing:.01em;color:var(--ink);text-decoration:none}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--ink-dim);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a[aria-current=page]{color:var(--accent-deep)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;
  margin:-10px -12px -10px 0;padding:0;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:var(--ink);margin:0 auto;transition:transform .25s ease,opacity .2s ease}
nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
nav.open .nav-toggle span:nth-child(2){opacity:0}
nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

main{max-width:720px;margin:0 auto;padding:0 44px}

/* ===================== LISTING (blog.html) ===================== */
.blog-head{padding:72px 0 8px}
.blog-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:18px}
.blog-head h1{font-size:clamp(32px,4.6vw,48px);font-weight:700;letter-spacing:-0.03em;line-height:1.02}
.blog-head p{color:var(--ink-dim);font-size:17px;margin-top:16px;max-width:34em;text-wrap:pretty}

.post-list{margin-top:40px;padding-bottom:30px}
.post-row{display:grid;grid-template-columns:120px 1fr;gap:26px;align-items:baseline;
  padding:24px 2px;border-top:1px solid var(--line-soft);text-decoration:none;
  transition:padding-left .25s ease,border-color .25s ease}
.post-row:last-child{border-bottom:1px solid var(--line-soft)}
.post-row:hover{padding-left:12px;border-color:var(--line)}
.post-date{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink-faint);white-space:nowrap;padding-top:4px}
.post-row-title{display:block;font-size:clamp(20px,2.6vw,25px);font-weight:600;letter-spacing:-0.02em;color:var(--ink);line-height:1.2;text-wrap:balance;transition:color .2s ease}
.post-row:hover .post-row-title{color:var(--accent-deep)}
.post-row-cat{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);margin-top:9px}

/* ===================== POST PAGES ===================== */
.back-link{display:inline-flex;align-items:center;gap:8px;margin-top:40px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink-dim);text-decoration:none;transition:color .2s ease,gap .2s ease}
.back-link:hover{color:var(--accent-deep);gap:11px}
.post-header{padding:26px 0 6px}
.post--full{padding-bottom:10px}
.post--full .post-title{font-size:clamp(30px,4.8vw,46px);line-height:1.05}

/* shared post pieces */
.post-meta{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);display:flex;flex-wrap:wrap;gap:8px 16px;margin-bottom:18px}
.post-title{font-size:clamp(26px,3.6vw,38px);font-weight:700;letter-spacing:-0.025em;line-height:1.08;text-wrap:balance}

/* article body — readable, text-first */
.post-body{margin-top:30px}
.post-body > * + *{margin-top:22px}
.post-body p{font-size:18px;line-height:1.75;color:#ffffff;text-wrap:pretty}
.post-body p b,.post-body strong{color:var(--ink);font-weight:600}
.post-body h2{font-family:var(--sans);font-size:23px;font-weight:600;letter-spacing:-0.015em;color:var(--ink);line-height:1.25;margin-top:48px}
.post-body h2 .scope{color:var(--accent-deep)}
.post-body h3{font-family:var(--sans);font-size:18px;font-weight:600;letter-spacing:-0.01em;color:var(--ink);line-height:1.3;margin-top:34px}

/* bulleted lists */
.post-body ul{list-style:none;padding-left:0;display:flex;flex-direction:column;gap:12px}
.post-body li{position:relative;padding-left:24px;font-size:18px;line-height:1.7;color:#ffffff;text-wrap:pretty}
.post-body li::before{content:"";position:absolute;left:3px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.post-body li b{color:var(--ink);font-weight:600}

/* mono callout (Problem / Note) */
.problem{font-family:var(--mono);font-size:14px;line-height:1.6;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:var(--bg-2)}
.problem .k{color:var(--accent-deep);letter-spacing:.1em;text-transform:uppercase;font-size:11px;margin-right:8px}

/* spoken / dialogue quote */
.post-body blockquote{border-left:2px solid var(--accent);padding:4px 0 4px 22px;color:var(--ink);font-size:18px;line-height:1.6;font-style:italic;text-wrap:pretty}

/* standout pull quote */
.pull{border:none;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:28px 0;font-size:clamp(20px,2.6vw,26px);font-weight:600;line-height:1.4;letter-spacing:-0.015em;color:var(--ink);text-wrap:balance}

/* image placeholder — swap the box for <img src> or delete the <figure> */
figure{margin:0}
.ph-img{aspect-ratio:16/9;border:1px solid var(--line-soft);border-radius:12px;background:var(--bg-2);
  display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;
  color:var(--ink-faint);font-family:var(--mono);font-size:12px;letter-spacing:.04em}
.ph-img img{width:100%;height:100%;object-fit:cover;border-radius:12px}
figcaption{font-family:var(--mono);font-size:11px;color:var(--ink-faint);letter-spacing:.04em;margin-top:10px;text-align:center}

/* end-of-post CTA — same button as the homepage */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 24px;border-radius:8px;font-weight:600;font-size:15px;text-decoration:none;transition:transform .15s,background .2s,color .2s,border-color .2s;border:1px solid var(--line)}
.btn-primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn-primary:hover{transform:translateY(-2px)}
.btn .arr{transition:transform .2s}.btn:hover .arr{transform:translateX(4px)}
.post-cta{margin-top:44px;padding-top:32px;border-top:1px solid var(--line-soft)}
.post-cta .k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:16px}

footer{border-top:1px solid var(--line-soft);padding:24px 44px;display:flex;align-items:center;justify-content:space-between;font-family:var(--mono);font-size:12px;color:var(--ink-faint);margin-top:40px}
footer a{color:var(--ink-dim);text-decoration:none}footer a:hover{color:var(--ink)}

@media(max-width:900px){
  nav{padding:18px 26px;flex-wrap:wrap}
  .nav-toggle{display:flex;margin:-10px 0 -10px -12px}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);padding:4px 26px 12px;
    box-shadow:0 18px 40px rgba(0,0,0,.55);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease}
  nav.open .nav-links{opacity:1;visibility:visible;transform:none}
  .nav-links a{font-size:16px;padding:15px 2px;border-bottom:1px solid var(--line-soft);color:var(--ink)}
  .nav-links a:last-child{border-bottom:0}
  main{padding-inline:26px}
  .blog-head{padding-top:48px}
}
@media(max-width:600px){
  nav{padding:16px max(24px,env(safe-area-inset-left))}
  main{padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right))}
  .post-body p,.post-body li{font-size:17px}
  .post-row{grid-template-columns:1fr;gap:7px;padding:20px 0}
  .post-row:hover{padding-left:0}
  .post-date{padding-top:0}
  footer{padding:22px max(24px,env(safe-area-inset-left));flex-direction:column;gap:10px;text-align:center}
}