/* Scalegram blog. Static pages written by scalegram-blog/build.py.
   Tokens copied from the live scalegram.io palette (light and dark). */
@font-face{font-family:"Geist";font-style:normal;font-weight:400;font-display:swap;src:url(/blog/fonts/geist-400.woff2) format("woff2")}
@font-face{font-family:"Geist";font-style:normal;font-weight:500;font-display:swap;src:url(/blog/fonts/geist-500.woff2) format("woff2")}
@font-face{font-family:"Geist";font-style:normal;font-weight:600;font-display:swap;src:url(/blog/fonts/geist-600.woff2) format("woff2")}
@font-face{font-family:"Geist";font-style:normal;font-weight:700;font-display:swap;src:url(/blog/fonts/geist-700.woff2) format("woff2")}

:root{
  --page:#f5f5f5;--surface:#fff;--surface-2:#ebebeb;--edge:#e0e0e0;--edge-soft:#ebebeb;
  --ink:#111;--ink-2:#444;--ink-3:#6b6b6b;--ink-4:#9b9b9b;
  --fill:#111;--fill-hi:#000;--on-fill:#fff;--mark-tile:#111;--mark-ink:#fff;--mint:#0f9d63;
  --font:"Geist",-apple-system,"SF Pro Text","Helvetica Neue",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
  --r:10px;--site:1240px;--measure:720px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --page:#000;--surface:#0f0f0f;--surface-2:#1a1a1a;--edge:#262626;--edge-soft:#1a1a1a;
    --ink:#f5f5f5;--ink-2:#b3b3b3;--ink-3:#858585;--ink-4:#5c5c5c;
    --fill:#fff;--fill-hi:#e2e2e2;--on-fill:#000;--mark-tile:#fff;--mark-ink:#000;--mint:#3ddc97;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --page:#000;--surface:#0f0f0f;--surface-2:#1a1a1a;--edge:#262626;--edge-soft:#1a1a1a;
  --ink:#f5f5f5;--ink-2:#b3b3b3;--ink-3:#858585;--ink-4:#5c5c5c;
  --fill:#fff;--fill-hi:#e2e2e2;--on-fill:#000;--mark-tile:#fff;--mark-ink:#000;--mint:#3ddc97;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--page);color:var(--ink);font:400 16px/1.65 var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{max-width:100%}
.wrap{max-width:var(--site);margin:0 auto;padding:0 24px}
.narrow{max-width:var(--measure);margin:0 auto;padding:0 24px}
@media (max-width:520px){.wrap,.narrow{padding:0 16px}}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--page) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--edge-soft)}
.nav-in{display:flex;align-items:center;gap:24px;height:56px}
.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:1.05rem;letter-spacing:-.03em}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a:not(.btn){text-decoration:none;color:var(--ink-2);font-size:.9rem;padding:6px 12px;border-radius:999px}
.nav-links a:not(.btn):hover,.nav-links a[aria-current]{color:var(--ink);background:var(--surface-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;text-decoration:none;font-weight:500;font-size:.95rem;border:0;cursor:pointer;white-space:nowrap}
.btn-sm{height:34px;padding:0 16px;font-size:.875rem}
.btn-primary{background:var(--fill);color:var(--on-fill)}
.btn-primary:hover{background:var(--fill-hi)}
.btn-quiet{background:var(--surface-2);color:var(--ink)}
.btn-quiet:hover{background:var(--edge)}
@media (max-width:720px){.nav-links .hide-sm{display:none}.nav-in{gap:12px}}

/* blog index */
.hero{padding-top:80px;padding-bottom:8px}
.eyebrow{display:inline-block;font-size:.8125rem;color:var(--ink-3);border:1px solid var(--edge);border-radius:999px;padding:4px 12px;margin-bottom:20px}
.hero h1{font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.02;letter-spacing:-.04em;font-weight:600;margin:0 0 20px;max-width:16ch;text-wrap:balance}
.hero p{color:var(--ink-2);font-size:1.15rem;line-height:1.6;max-width:60ch;margin:0;text-wrap:pretty}
.tools{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:32px 0 24px}
.chip{border:0;background:var(--surface);color:var(--ink-2);font:500 .875rem var(--font);padding:8px 14px;border-radius:999px;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--fill);color:var(--on-fill)}
.search{margin-left:auto;min-width:240px;height:38px;border-radius:999px;border:1px solid var(--edge);background:var(--surface);color:var(--ink);padding:0 16px;font:400 .9rem var(--font)}
@media (max-width:720px){.search{margin-left:0;width:100%;min-width:0}}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:16px;padding-bottom:64px}
.card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border-radius:var(--r);padding:24px;text-decoration:none;border:1px solid transparent;transition:border-color .14s ease}
.card:hover{border-color:var(--edge)}
.card h2,.card h3{font-size:1.125rem;line-height:1.3;letter-spacing:-.015em;margin:0;font-weight:600;text-wrap:balance}
.card.feature{grid-column:1/-1;padding:40px;gap:14px}
.card.feature h2{font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.12;letter-spacing:-.03em;max-width:28ch}
.card.feature p{font-size:1.05rem;max-width:70ch}
@media (max-width:520px){.card.feature{padding:24px}}
.soon{background:var(--surface);border-radius:var(--r);padding:40px;margin-bottom:64px;display:grid;gap:10px}
.soon h2{margin:0;font-size:1.4rem;letter-spacing:-.02em}
.soon p{margin:0;color:var(--ink-2);max-width:60ch}
.soon .row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.card p{margin:0;color:var(--ink-2);font-size:.9375rem;line-height:1.55}
.cat{font-size:.75rem;font-weight:500;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.meta{margin-top:auto;padding-top:8px;display:flex;gap:10px;color:var(--ink-3);font-size:.8125rem}
.empty{color:var(--ink-3);padding-bottom:64px}

/* article */
.art-head{padding-top:56px;padding-bottom:24px}
.crumbs{font-size:.8125rem;color:var(--ink-3);margin-bottom:24px}
.crumbs a{text-decoration:none;color:var(--ink-3)}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{margin:0 8px}
.art-head h1{font-size:clamp(2rem,4.6vw,3.1rem);line-height:1.08;letter-spacing:-.03em;font-weight:600;margin:0 0 16px;text-wrap:balance}
.art-head .lede{font-size:1.15rem;color:var(--ink-2);margin:0 0 20px}
.byline{display:flex;flex-wrap:wrap;gap:10px;color:var(--ink-3);font-size:.875rem}
.art{padding-bottom:48px}
.art h2{font-size:1.6rem;line-height:1.2;letter-spacing:-.02em;font-weight:600;margin:48px 0 12px}
.art h3{font-size:1.15rem;line-height:1.3;font-weight:600;margin:32px 0 8px}
.art p,.art li{color:var(--ink-2);font-size:1.0625rem}
.art p{margin:0 0 18px}
.art strong{color:var(--ink);font-weight:600}
.art a{text-decoration:underline;text-decoration-color:var(--ink-4);text-underline-offset:3px}
.art a:hover{text-decoration-color:var(--ink)}
.art ul,.art ol{padding-left:22px;margin:0 0 18px}
.art li{margin:6px 0}
.art code{font-family:var(--mono);font-size:.9em;background:var(--surface-2);padding:2px 6px;border-radius:6px}
.table-scroll{overflow-x:auto;margin:8px 0 24px;border-radius:var(--r);background:var(--surface)}
.art table{width:100%;border-collapse:collapse;font-size:.9375rem;min-width:560px}
.art th,.art td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--edge-soft);vertical-align:top;color:var(--ink-2)}
.art th{color:var(--ink);font-weight:600;background:var(--surface-2)}
.art tr:last-child td{border-bottom:0}
.callout{background:var(--surface);border-radius:var(--r);padding:20px 24px;margin:24px 0}
.callout p:last-child{margin:0}
blockquote.quote{margin:40px 0;padding:24px;background:var(--surface);border-radius:var(--r)}
blockquote.quote p{font-size:1.2rem;line-height:1.5;color:var(--ink);margin:0 0 12px}
blockquote.quote cite{font-style:normal;color:var(--ink-3);font-size:.9rem}
.takeaways{background:var(--surface);border-radius:var(--r);padding:24px;margin:32px 0}
.takeaways h2{margin:0 0 12px;font-size:1.25rem}
.takeaways ul{list-style:none;padding:0;margin:0}
.takeaways li{position:relative;padding-left:28px}
.takeaways li::before{content:"";position:absolute;left:0;top:.4em;width:16px;height:16px;border-radius:50%;background:var(--mint)}
.takeaways li::after{content:"";position:absolute;left:5px;top:calc(.4em + 3px);width:4px;height:8px;border:solid var(--surface);border-width:0 2px 2px 0;transform:rotate(45deg)}
ul.sources li{font-size:.9rem}

/* call to action */
.cta{background:var(--surface);border-radius:var(--r);padding:32px;margin:48px 0 0;display:grid;gap:12px}
.cta h2{margin:0;font-size:1.5rem;letter-spacing:-.02em}
.cta p{margin:0;color:var(--ink-2)}
.cta .row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.related{padding-top:24px;padding-bottom:64px}
.related h2{font-size:1.25rem;margin:0 0 16px;letter-spacing:-.015em}

/* footer */
.foot{border-top:1px solid var(--edge-soft);padding:40px 0 56px;color:var(--ink-3);font-size:.875rem}
.foot-row{display:flex;flex-wrap:wrap;gap:8px 20px;margin:16px 0}
.foot-row a{text-decoration:none;color:var(--ink-2)}
.foot-row a:hover{color:var(--ink)}
.foot p{margin:8px 0 0;max-width:80ch}

/* fixes after the visual pass */
.art .btn,.art .card{text-decoration:none}
.byline span+span::before,.meta span+span::before{content:"";display:inline-block;width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.6;vertical-align:middle;margin-right:10px}
.search{flex:0 1 280px}
@media (max-width:900px){.search{flex:1 1 100%;margin-left:0}}

/* article at full site width (owner, 2026-09-19): headline lines up with the logo, text column on the
   left, sticky "On this page" + Scalegram card on the right, like the rest of scalegram.io */
.art-head{padding-top:64px;padding-bottom:40px}
.art-head h1{font-size:clamp(2.4rem,5.4vw,4.2rem);line-height:1.03;letter-spacing:-.04em;max-width:20ch;margin-bottom:20px}
.art-head .lede{font-size:1.25rem;line-height:1.55;max-width:62ch}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:72px;align-items:start;border-top:1px solid var(--edge-soft);padding-top:40px}
.art{max-width:780px}
.art>p:first-child{font-size:1.2rem;line-height:1.65;color:var(--ink)}
.art h2{scroll-margin-top:80px}
.side{position:sticky;top:88px;display:grid;gap:16px}
.toc{background:var(--surface);border-radius:var(--r);padding:20px 22px}
.side-title{display:block;font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);margin-bottom:12px}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px;counter-reset:t}
.toc li{counter-increment:t}
.toc a{display:flex;gap:10px;text-decoration:none;color:var(--ink-2);font-size:.9rem;line-height:1.4;padding:6px 0}
.toc a::before{content:counter(t,decimal-leading-zero);color:var(--ink-4);font-variant-numeric:tabular-nums;flex:none}
.toc a:hover{color:var(--ink)}
.side-card{background:var(--surface);border-radius:var(--r);padding:22px;display:grid;gap:12px;justify-items:start}
.side-card .side-title{margin:0;color:var(--ink);font-size:1rem;text-transform:none;letter-spacing:-.01em;font-weight:600}
.side-card p{margin:0;color:var(--ink-2);font-size:.9rem;line-height:1.55}
.related{padding-top:48px;padding-bottom:72px}
.related .grid{grid-template-columns:repeat(auto-fill,minmax(min(320px,100%),1fr));padding-bottom:0}
@media (max-width:1000px){
  .art-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .side{position:static;margin-top:40px}
  .toc{display:none}
  .art{max-width:none}
}