/* Content pages: same tokens and type as the tool, set for long-form reading. */
:root {
  --bg: #0b1220; --bg-2: #0e1729; --surface: #131d30; --surface-2: #1a2640;
  --line: #22304a; --line-2: #2f3f5e; --ink: #e8edf6; --ink-2: #a8b4ca; --ink-3: #8693ab;
  --accent: #6aa8ff; --accent-wash: rgba(106,168,255,.12); --good: #34c37a; --bad: #ef5f5b;
  --chart-thr: #e5534f;
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --r-1: 6px; --r-2: 10px; --r-3: 14px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f5f9; --bg-2: #e9edf4; --surface: #ffffff; --surface-2: #eef2f8;
    --line: #dbe2ec; --line-2: #c4cedc; --ink: #0d1626; --ink-2: #435069; --ink-3: #566279;
    --accent: #1f5fd1; --accent-wash: rgba(31,95,209,.09); --good: #12844b; --bad: #c93a37;
    --chart-thr: #c93a37;
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--surface); padding: 8px 12px; border-radius: var(--r-1); z-index: 20; }
.skip:focus { left: 12px; }
.wrap { max-width: 1040px; margin: 0 auto; padding-inline: max(16px, env(safe-area-inset-left, 0px)); }

/* header */
.site-top { position: sticky; top: 0; z-index: 9; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 12px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-display); font-weight: 800; font-size: 19px; letter-spacing: -.01em; color: var(--ink); text-decoration: none; }
.brand svg { width: 28px; height: 28px; display: block; }
.brand .b-bal { stroke: var(--ink); } .brand .b-thr { stroke: var(--chart-thr); }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 6px; align-items: center; }
.site-nav a { color: var(--ink-2); text-decoration: none; font-size: 14.5px; padding: 6px 10px; border-radius: 999px; }
.site-nav a:hover { color: var(--ink); background: var(--surface); }
.site-nav a[aria-current="page"] { color: var(--ink); background: var(--surface); }
.site-nav a.nav-cta { color: var(--ink); border: 1px solid var(--line-2); }

/* article */
.page { padding-block: 40px 56px; }
.page > .wrap { max-width: 780px; }
.page.wide > .wrap { max-width: 1040px; }
.crumbs { font-family: var(--f-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.crumbs a { color: var(--ink-3); }
h1, h2, h3 { font-family: var(--f-display); line-height: 1.2; text-wrap: balance; letter-spacing: -.01em; }
h1 { font-size: clamp(30px, 5vw, 42px); margin: 0 0 14px; font-weight: 800; }
h2 { font-size: 24px; margin: 40px 0 12px; font-weight: 700; }
h3 { font-size: 18.5px; margin: 28px 0 8px; font-weight: 700; }
p, ul, ol { margin: 0 0 16px; }
li { margin-bottom: 6px; }
.lede { font-size: 19px; color: var(--ink-2); margin-bottom: 24px; }
.meta { font-size: 13.5px; color: var(--ink-3); margin-bottom: 28px; }
code { font-family: var(--f-mono); font-size: .9em; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; }
blockquote { margin: 0 0 16px; padding: 10px 16px; border-left: 3px solid var(--line-2); color: var(--ink-2); background: var(--surface); border-radius: 0 var(--r-1) var(--r-1) 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.callout { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-2); padding: 16px 18px; margin: 0 0 20px; }
.callout p:last-child { margin-bottom: 0; }
.caps { font-size: 13.5px; letter-spacing: .01em; color: var(--ink-2); }

/* tables */
.table-wrap { overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--line); border-radius: var(--r-2); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font-weight: 600; color: var(--ink-2); background: var(--bg-2); font-size: 13px; white-space: nowrap; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
td.num, th.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.src { font-size: 13px; color: var(--ink-3); }

/* buttons */
.btn, .btn-cta { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; padding: 10px 18px; font-weight: 600; font-size: 15px; cursor: pointer; text-decoration: none; min-height: 44px; font-family: inherit; }
.btn { background: transparent; border: 1px solid var(--line-2); color: var(--ink); }
.btn:hover { background: var(--surface); }
.btn-cta { background: #f4b23c; color: #1c1405; border: 1px solid transparent; }
.btn-cta:hover { filter: brightness(1.06); }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; margin: 0 0 24px; padding: 0; list-style: none; }
.cards li { margin: 0; }
.cards a { display: block; height: 100%; padding: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-2); text-decoration: none; color: var(--ink); }
.cards a:hover { border-color: var(--line-2); }
.cards b { display: block; font-family: var(--f-display); font-size: 17px; margin-bottom: 4px; }
.cards span { color: var(--ink-2); font-size: 14px; }

/* forms */
.inline-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 12px; }
.inline-form input[type="email"] { font: inherit; color: var(--ink); background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--r-1); padding: 9px 12px; min-width: 240px; flex: 1; min-height: 44px; }
.status { font-size: 14px; color: var(--ink-2); }

/* footer */
.site-foot { border-top: 1px solid var(--line); }
.site-foot .wrap { padding-block: 24px 44px; font-size: 13px; color: var(--ink-3); display: grid; gap: 10px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.foot-links a { color: var(--ink-2); display: inline-block; padding-block: 3px; }

@media (max-width: 640px) {
  .site-nav a.nav-cta { display: none; }
  .page { padding-block: 28px 44px; }
  h2 { font-size: 21px; }
  .lede { font-size: 17.5px; }
  .site-nav a { font-size: 14px; padding: 6px 8px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }