:root{
  --bg: oklch(1 0 0);
  --surface: oklch(0.962 0.006 170);
  --ink: oklch(0.235 0.014 170);
  --muted: oklch(0.44 0.014 170);
  --primary: oklch(0.36 0.07 172);
  --primary-deep: oklch(0.27 0.055 172);
  --on-dark: oklch(0.985 0.006 172);
  --on-dark-soft: oklch(0.85 0.025 172);
  --accent: oklch(0.55 0.14 42);
  --accent-deep: oklch(0.5 0.14 42);
  --line: oklch(0.88 0.008 170);
  --radius: 6px;
}
*{margin:0;padding:0;box-sizing:border-box}
:root{color-scheme:light}
html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
a,button,input,textarea,select,label{touch-action:manipulation}
[id]{scroll-margin-top:2rem}
:is(a,button):focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:0;top:-100%;z-index:40;background:var(--accent);color:oklch(0.99 0.005 42);padding:0.75rem 1.4rem;font-weight:700;border-radius:0 0 8px 0;text-decoration:none}
.skip:focus{top:0}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{
  font-family:"Source Sans 3",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);
  font-size:1.0625rem;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Source Serif 4",Georgia,serif;line-height:1.12;text-wrap:balance;letter-spacing:-0.01em}
p{text-wrap:pretty}
img{max-width:100%}
.wrap{max-width:1060px;margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}

/* top bar */
.top{border-bottom:1px solid var(--line)}
.top .wrap{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-block:1.1rem}
.wordmark{font-family:"Source Serif 4",serif;font-weight:700;font-size:1.2rem;color:var(--ink);text-decoration:none}
.wordmark span{color:var(--accent)}
.top-links{display:flex;align-items:center;gap:1.2rem}
.top-links a{color:var(--ink);text-decoration:none;font-weight:600;font-size:0.95rem}
.top-links a:hover{color:var(--primary)}
.top-links a[aria-current="page"]{color:var(--primary)}
.top a.mini{color:var(--primary);text-decoration:none;font-weight:600;font-size:0.95rem;border:1.5px solid var(--line);border-radius:var(--radius);padding:0.5rem 1rem}
.top a.mini:hover{border-color:var(--primary)}

/* article */
.article-head{border-bottom:1px solid var(--line);background:var(--surface)}
.article-head .wrap{padding-block:clamp(2.5rem,6vw,4rem)}
.article-head .region{font-size:0.9rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:0.05em}
.article-head h1{margin-top:0.6rem;font-size:clamp(1.9rem,4vw,2.7rem);font-weight:700;max-width:26ch}
.article-head .meta{margin-top:0.9rem;font-size:0.95rem;color:var(--muted)}

.prose{max-width:72ch;padding-block:clamp(2.5rem,6vw,4rem)}
.prose h2{font-size:clamp(1.45rem,2.6vw,1.85rem);font-weight:700;margin-top:2.5em}
.prose h3{font-size:1.2rem;font-weight:700;margin-top:1.8em}
.prose h2:first-child{margin-top:0}
.prose p{margin-top:1em}
.prose ul,.prose ol{margin-top:1em;padding-left:1.4rem}
.prose li{margin-top:0.45em}
.prose li::marker{color:var(--accent);font-weight:700}
.prose a{color:var(--primary)}
.prose table{width:100%;border-collapse:collapse;margin-top:1.25em;font-size:0.97rem}
.prose th,.prose td{text-align:left;padding:0.65rem 0.8rem;border-bottom:1px solid var(--line)}
.prose th{font-weight:700;background:var(--surface)}
.prose .table-scroll{overflow-x:auto}
.prose blockquote{margin-top:1.25em;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem 1.5rem;background:var(--surface);font-style:italic}

/* blog index */
.page-hero{border-bottom:1px solid var(--line);background:var(--primary-deep);color:var(--on-dark)}
.page-hero .wrap{padding-block:clamp(3rem,6vw,4.5rem)}
.page-hero .crumb{font-size:0.9rem;color:var(--on-dark-soft)}
.page-hero .crumb a{color:var(--on-dark-soft)}
.page-hero h1{margin-top:0.75rem;font-size:clamp(2rem,4.5vw,3rem);font-weight:700;max-width:24ch}
.page-hero .lede{margin-top:1rem;font-size:1.15rem;max-width:60ch;color:var(--on-dark-soft)}
.section{padding-block:clamp(3.5rem,8vw,6rem)}
.section h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:700}
.post-grid{margin-top:3rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}
.post-card{border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;display:flex;flex-direction:column;gap:0.7rem;background:var(--bg);transition:border-color 160ms ease}
.post-card:hover{border-color:var(--primary)}
.post-card .region{font-size:0.82rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:0.05em}
.post-card h3{font-size:1.13rem;font-weight:700;line-height:1.3}
.post-card h3 a{color:var(--ink);text-decoration:none}
.post-card h3 a:hover{color:var(--primary)}
.post-card p{font-size:0.95rem;color:var(--muted);flex:1}
.post-card .read{font-weight:600;font-size:0.95rem;color:var(--primary)}

/* CTA panel + glow */
.cta-panel{margin-top:3rem;background:var(--primary-deep);border-radius:var(--radius);padding:clamp(1.75rem,4vw,2.5rem);color:var(--on-dark)}
.cta-panel h2,.cta-panel h3{margin-top:0;font-size:1.5rem;color:var(--on-dark)}
.cta-panel p{color:var(--on-dark-soft);margin-top:0.6rem;max-width:56ch}
.btn{
  display:inline-block;background:var(--accent);color:oklch(0.99 0.005 42);
  font-weight:700;font-size:1.05rem;text-decoration:none;
  padding:0.9rem 1.8rem;border-radius:var(--radius);margin-top:1.4rem;
  transition:transform 200ms cubic-bezier(0.19,1,0.22,1),background 200ms cubic-bezier(0.19,1,0.22,1);
  animation:pulse-accent 2.6s cubic-bezier(0.45,0,0.55,1) infinite;
}
.btn:hover{transform:translateY(-2px);background:var(--accent-deep)}
@keyframes pulse-accent{
  0%,100%{box-shadow:0 0 0 0 oklch(0.55 0.14 42 / 0.5),0 0 16px 2px oklch(0.55 0.14 42 / 0.35)}
  50%{box-shadow:0 0 0 8px oklch(0.55 0.14 42 / 0),0 0 28px 7px oklch(0.55 0.14 42 / 0.5)}
}
@media (prefers-reduced-motion: reduce){
  .btn{animation:none;box-shadow:0 0 20px 4px oklch(0.55 0.14 42 / 0.45)}
  .btn:hover{transform:none}
}

footer{border-top:1px solid var(--line)}
footer .wrap{padding-block:1.75rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:0.75rem;font-size:0.9rem;color:var(--muted)}
footer a{color:var(--muted)}