:root {
  color-scheme: light;
  --ink: #20201e;
  --muted: #66645f;
  --paper: #f5f2eb;
  --card: #fffefa;
  --line: #d8d2c6;
  --accent: #b5332b;
  --accent-dark: #81231f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); }
a { color: var(--accent-dark); text-underline-offset: .18em; }
a:focus-visible, button:focus-visible { outline: 3px solid #165d9c; outline-offset: 3px; }
.article-header { border-bottom: 1px solid var(--line); background: #201f1d; color: #fffefa; }
.article-header-inner, .article-main, .article-footer { width: min(100% - 32px, 900px); margin-inline: auto; }
.article-header-inner { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.article-brand { color: inherit; font-size: .92rem; font-weight: 800; letter-spacing: .12em; text-decoration: none; }
.article-header a:last-child { color: #fffefa; }
.article-main { padding-block: 28px 64px; }
.breadcrumbs { margin: 0 0 26px; color: var(--muted); font-size: .9rem; }
.eyebrow { margin: 0 0 8px; color: var(--accent-dark); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.28; }
h1 { max-width: 780px; margin: 0 0 14px; font-size: clamp(2rem, 6vw, 3.3rem); letter-spacing: -.035em; }
h2 { margin: 0 0 12px; font-size: clamp(1.3rem, 3.5vw, 1.8rem); }
h3 { margin: 0 0 8px; font-size: 1.08rem; }
.lead { max-width: 760px; margin: 0 0 28px; color: #484640; font-size: 1.08rem; }
.article-section { margin-top: 28px; padding: clamp(18px, 4vw, 30px); border: 1px solid var(--line); border-radius: 18px; background: var(--card); }
.article-section > :last-child { margin-bottom: 0; }
.note { padding: 14px 16px; border-left: 4px solid var(--accent); background: #f8eee8; }
.note p:last-child { margin-bottom: 0; }
.sample-card { border: 1px solid #bdb5a7; border-radius: 14px; background: #fff; overflow: hidden; }
.sample-title { padding: 14px 18px; background: #ece8df; font-weight: 750; }
.sample-body { padding: 18px; }
.data-grid { display: grid; grid-template-columns: minmax(105px, .7fr) 1.3fr; gap: 8px 16px; margin: 0; }
.data-grid dt { color: var(--muted); }
.data-grid dd { margin: 0; font-weight: 650; }
.sample-status { min-height: 1.8em; margin: 12px 0; color: var(--accent-dark); font-weight: 750; }
.sample-button, .tool-button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 10px 16px; border: 0; border-radius: 9px; background: var(--accent); color: white; font: inherit; font-weight: 750; text-decoration: none; cursor: pointer; }
.sample-button:hover, .tool-button:hover { background: var(--accent-dark); }
.steps { padding-left: 1.4em; }
.steps li { padding-left: .3em; margin-block: 8px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: white; }
th, td { padding: 11px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #ece8df; }
.table-note { color: var(--muted); font-size: .92rem; }
.tool-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.article-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; list-style: none; }
.article-links a { display: block; height: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.source-list { padding-left: 1.2em; }
.source-list li { margin-block: 6px; }
.article-footer { padding: 20px 0 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.article-footer p { margin: 4px 0; }
@media (max-width: 560px) {
  .article-header-inner, .article-main, .article-footer { width: min(100% - 24px, 900px); }
  .article-main { padding-top: 20px; }
  .article-header-inner { min-height: 58px; }
  .article-links { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: 1fr; gap: 0; }
  .data-grid dd { margin: 0 0 8px; }
  th, td { min-width: 130px; }
}