:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #202720;
  background: #f5f6f4;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; }
a { color: #285d41; }
.skip-link { position: absolute; top: 8px; left: 8px; z-index: 1; padding: 9px 12px; transform: translateY(-150%); border-radius: 5px; background: #fff; }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; min-height: 66px; padding: 0 max(24px, calc((100% - 1040px) / 2)); border-bottom: 1px solid #e5e9e5; background: #fff; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #29342d; font-size: 13px; font-weight: 700; text-decoration: none; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 10px; background: #254c3c; color: #fff; font-size: 11px; }
.header-link { font-size: 13px; font-weight: 650; text-decoration: none; }
.header-link:hover, .breadcrumbs a:hover, .article-footer a:hover { text-decoration: underline; }
.article-shell { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 30px 0 40px; }
.breadcrumbs { display: flex; gap: 9px; align-items: center; margin-bottom: 28px; color: #7a857c; font-size: 12px; }
.breadcrumbs a { text-decoration: none; }
.article-header { margin-bottom: 24px; }
.eyebrow { margin: 0 0 9px; color: #6f7f74; font-size: 10px; font-weight: 700; letter-spacing: .13em; }
h1 { max-width: 700px; margin: 0 0 14px; font-size: clamp(30px, 5vw, 42px); line-height: 1.13; letter-spacing: -.045em; }
.standfirst { margin: 0; color: #59665d; font-size: 17px; line-height: 1.65; }
.notice { margin: 22px 0 34px; padding: 16px 18px; border: 1px solid #dfe9e1; border-radius: 9px; background: #f0f5f1; color: #53645a; font-size: 14px; line-height: 1.65; }
.notice strong { color: #2e5940; }
article section { margin: 32px 0; }
article h2 { margin: 0 0 12px; color: #2d3e32; font-size: 22px; line-height: 1.3; letter-spacing: -.025em; }
article p, article li { color: #4f5b52; font-size: 15px; line-height: 1.75; }
article p { margin: 0 0 14px; }
article ul { display: grid; gap: 12px; padding-left: 22px; }
article li { padding-left: 3px; }
.demo-callout { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 38px; padding: 22px; border: 1px solid #e2e8e2; border-radius: 12px; background: #fff; }
.demo-callout h2 { margin-bottom: 6px; font-size: 17px; }
.demo-callout p { max-width: 450px; margin: 0; color: #748077; font-size: 13px; line-height: 1.6; }
.demo-button { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px; border-radius: 7px; background: #28563f; color: #fff; font-size: 13px; font-weight: 650; text-decoration: none; }
.demo-button:hover { background: #1e4732; }
.article-footer { display: flex; justify-content: space-between; gap: 16px; margin-top: 32px; padding-top: 16px; border-top: 1px solid #e1e6e1; color: #7b857e; font-size: 12px; }
.article-footer a { font-weight: 650; text-decoration: none; }

@media (max-width: 600px) {
  .site-header { min-height: 58px; padding: 0 16px; }
  .brand { font-size: 12px; }
  .header-link { max-width: 132px; font-size: 11px; text-align: right; }
  .article-shell { width: min(100% - 32px, 760px); padding-top: 22px; }
  .breadcrumbs { margin-bottom: 22px; }
  .standfirst { font-size: 15px; }
  .demo-callout { align-items: flex-start; flex-direction: column; gap: 16px; padding: 18px; }
  .article-footer { flex-direction: column; }
}
