:root{
  --bg:#F1F4F3; --surface:#FFFFFF; --ink:#13242A; --muted:#566A70; --line:#D3DCDB;
  --accent:#0A6C6E; --accent-ink:#FFFFFF; --accent-soft:#DCEDEC; --signal:#C98A1E;
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"Cascadia Mono",Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root{color-scheme:dark;--bg:#0C1518;--surface:#122024;--ink:#E3ECEB;--muted:#93A7AA;--line:#233A3F;--accent:#4CBFBA;--accent-ink:#06201F;--accent-soft:#16363A;--signal:#E3AC4C}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.7}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:1140px;margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
.narrow{max-width:720px;margin-inline:auto;padding-inline:clamp(16px,4vw,24px)}
header.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--display);font-weight:750;font-size:20px;letter-spacing:-0.02em}
.brand svg{width:28px;height:28px}
nav{display:flex;gap:24px;align-items:center;font-size:15px}
nav a{text-decoration:none;color:var(--muted)}
nav a:hover,nav a[aria-current]{color:var(--ink)}
.btn{display:inline-flex;padding:10px 16px;border-radius:6px;background:var(--accent);color:var(--accent-ink)!important;font-weight:600;text-decoration:none}
@media (max-width:640px){nav a:not(.btn){display:none}}
h1,h2,h3{font-family:var(--display);letter-spacing:-0.015em;text-wrap:balance;line-height:1.15}
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}

/* Index */
.intro{padding-block:64px 32px}
.intro h1{font-size:clamp(36px,5vw,56px);margin:12px 0 14px}
.intro p{color:var(--muted);max-width:36em;margin:0}
.posts{list-style:none;padding:0;margin:0 0 80px;border-top:1px solid var(--line)}
.posts li{border-bottom:1px solid var(--line)}
.posts a{display:grid;grid-template-columns:160px 1fr;gap:8px 32px;padding-block:28px;text-decoration:none;color:var(--ink)}
.posts .meta{font-family:var(--mono);font-size:13px;color:var(--muted)}
.posts h2{font-size:24px;margin:0 0 8px}
.posts p{margin:0;color:var(--muted)}
.posts a:hover h2{color:var(--accent)}
@media (max-width:640px){.posts a{grid-template-columns:1fr}}

/* Article */
article{padding-block:56px 40px}
article h1{font-size:clamp(32px,4.6vw,48px);margin:12px 0 18px}
.dek{font-size:20px;color:var(--muted);line-height:1.5;margin:0 0 24px}
.byline{display:flex;align-items:center;gap:12px;padding-block:16px;border-block:1px solid var(--line);font-size:14.5px;color:var(--muted);margin-bottom:36px}
.byline .av{width:40px;height:40px;border-radius:8px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-family:var(--display);font-weight:750}
.byline b{color:var(--ink);font-weight:600;display:block}
article h2{font-size:27px;margin:44px 0 10px}
article h3{font-size:20px;margin:28px 0 6px}
article p{margin:0 0 16px}
article ul,article ol{padding-left:22px;margin:0 0 18px}
article li{margin-bottom:6px}
code{font-family:var(--mono);font-size:.88em;background:var(--accent-soft);padding:1px 6px;border-radius:4px}
.callout{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--signal);border-radius:6px;padding:18px 20px;margin:24px 0}
.callout p:last-child{margin:0}
.tablewrap{overflow-x:auto;margin:0 0 20px}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:520px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--mono);font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);font-weight:500}
.cta{margin:48px 0 72px;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:10px}
.cta h2{margin:0 0 8px;font-size:24px}
.cta p{color:var(--muted)}
footer{border-top:1px solid var(--line);padding-block:28px;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer a{color:var(--muted)}