:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #e4eee9;
  background: #081013;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; background: radial-gradient(ellipse at 50% -20%, rgba(41, 100, 91, .18), transparent 55%), #081013; }
a { color: #8ce1d1; text-decoration-color: rgba(140, 225, 209, .35); text-underline-offset: 3px; }
a:hover { color: #b4f1e4; text-decoration-color: currentColor; }
.site-header { display: flex; align-items: center; justify-content: space-between; max-width: 1120px; margin: 0 auto; padding: 22px 32px; border-bottom: 1px solid rgba(185, 220, 214, .12); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #e4eee9; font-size: 16px; font-weight: 650; text-decoration: none; }
.brand-logo { display: block; width: 180px; height: 42px; object-fit: cover; object-position: center center; }
.brand-mark { display: grid; width: 29px; height: 29px; place-items: center; border: 1px solid rgba(140, 225, 209, .4); border-radius: 8px; color: #8ce1d1; font-family: ui-monospace, monospace; }
.header-link { font-size: 13px; text-decoration: none; }
.article-shell { max-width: 860px; margin: 0 auto; padding: 38px 32px 72px; }
.breadcrumbs { display: flex; gap: 9px; align-items: center; margin-bottom: 38px; color: #728782; font-size: 12px; }
.breadcrumbs a { color: #8ea7a0; }
.eyebrow { margin: 0 0 14px; color: #82a49c; font: 11px ui-monospace, monospace; letter-spacing: .14em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0 0 18px; font-size: clamp(36px, 6vw, 58px); line-height: 1.04; letter-spacing: -.045em; }
.lede { max-width: 720px; margin: 0 0 42px; color: #a9bbb5; font-size: 18px; line-height: 1.7; }
section { padding: 28px 0; border-top: 1px solid rgba(185, 220, 214, .12); }
h2 { margin: 0 0 13px; font-size: 23px; letter-spacing: -.025em; }
section p, section li { color: #a9bbb5; font-size: 15px; line-height: 1.8; }
section p { margin: 10px 0; }
section ul { padding-left: 22px; }
section li { padding: 3px 0; }
.equation { overflow-x: auto; margin: 18px 0; padding: 17px 20px; border: 1px solid rgba(140, 225, 209, .2); border-radius: 10px; background: rgba(38, 77, 71, .17); color: #c7e9dd; font: 17px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; text-align: center; white-space: nowrap; }
.source-line { color: #82968f; font-size: 13px; }
.limits { margin-top: 8px; padding: 22px 24px; border: 1px solid rgba(237, 182, 111, .25); border-radius: 12px; background: rgba(93, 69, 39, .12); }
.limits h2 { font-size: 20px; }
.article-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 34px; padding: 20px 22px; border: 1px solid rgba(140, 225, 209, .23); border-radius: 12px; background: rgba(36, 82, 76, .15); }
.article-cta div { display: grid; gap: 5px; }
.article-cta b { font-size: 15px; }
.article-cta span { color: #94aaa3; font-size: 13px; }
.article-cta a { flex: 0 0 auto; font-size: 14px; font-weight: 650; text-decoration: none; }
.updated { margin: 32px 0 0; color: #687b76; font: 11px ui-monospace, monospace; }
@media (max-width: 600px) {
  .site-header { padding: 18px 20px; }
  .article-shell { padding: 28px 20px 50px; }
  .breadcrumbs { margin-bottom: 30px; }
  .lede { font-size: 16px; }
  section p, section li { font-size: 14px; }
  .equation { padding: 13px 12px; font-size: 14px; text-align: left; }
  .article-cta { align-items: flex-start; flex-direction: column; }
}