:root {
  color-scheme: dark;
  --page: #071019;
  --surface: #0e1a25;
  --surface-strong: #132331;
  --line: #263847;
  --text: #f3f7fa;
  --muted: #a9b7c4;
  --accent: #68e3bd;
  --accent-strong: #27ba8f;
  --warning: #f4c968;
}

* { box-sizing: border-box; }
html { background: var(--page); scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: radial-gradient(circle at 90% 0%, rgba(30, 101, 84, .2), transparent 30rem), var(--page); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--accent); text-underline-offset: .22em; }
a:hover { color: #9cf0d5; }
.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font-weight: 800; }
.brand img { width: 42px; height: 42px; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.site-nav a { color: var(--muted); text-decoration: none; }
.hero { padding: clamp(70px, 11vw, 118px) 0 58px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 13px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1 { max-width: 880px; margin: 0; font-size: clamp(42px, 7vw, 76px); line-height: 1.06; letter-spacing: -.04em; }
.lede { max-width: 780px; margin: 26px 0 0; color: var(--muted); font-size: clamp(18px, 2.2vw, 22px); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid var(--line); border-radius: 12px; color: var(--text); text-decoration: none; font-weight: 750; }
.button.primary { border-color: var(--accent); background: var(--accent); color: #062019; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 38px; padding: 28px 0 80px; }
.article-section { padding: 34px 0; border-top: 1px solid var(--line); }
h2 { margin: 0 0 18px; font-size: clamp(27px, 4vw, 38px); line-height: 1.2; }
h3 { margin: 26px 0 10px; font-size: 20px; }
p, li { color: var(--muted); font-size: 17px; line-height: 1.85; }
ol, ul { padding-left: 1.4em; }
.fact-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: 0; list-style: none; }
.fact-list li { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.decision-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 24px 0; }
.decision-card { padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.decision-card h3 { margin-top: 0; }
.decision-card p:last-child { margin-bottom: 0; }
.answer-block { padding: 22px; border-left: 4px solid var(--accent); border-radius: 0 14px 14px 0; background: rgba(104, 227, 189, .07); }
.answer-block p:first-of-type { margin-top: 0; }
.answer-block p:last-child { margin-bottom: 0; }
.meta-strip { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 20px 0 0; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.source-note { padding: 18px; border: 1px dashed var(--line); border-radius: 14px; background: rgba(255, 255, 255, .02); }
.source-note h2 { font-size: 20px; }
.data-table { width: 100%; margin: 22px 0; border-collapse: collapse; }
.data-table th, .data-table td { padding: 14px; border: 1px solid var(--line); color: var(--muted); text-align: left; vertical-align: top; }
.data-table th { color: var(--text); background: var(--surface-strong); }
.muted-note { color: var(--muted); font-size: 14px; }
.boundary { padding: 20px; border: 1px solid rgba(244, 201, 104, .45); border-radius: 14px; background: rgba(244, 201, 104, .07); }
.boundary strong { color: var(--warning); }
.side-card { position: sticky; top: 22px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.side-card h2 { font-size: 20px; }
.side-card ul { margin: 0; padding: 0; list-style: none; }
.side-card li + li { margin-top: 12px; }
.side-card a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.page-footer { padding: 34px 0 46px; border-top: 1px solid var(--line); }
.page-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.page-footer small { display: block; margin-top: 18px; color: var(--muted); line-height: 1.7; }
@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .site-nav { justify-content: flex-start; }
  .content-grid { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .fact-list { grid-template-columns: 1fr; }
  .decision-grid { grid-template-columns: 1fr; }
  .data-table { display: block; overflow-x: auto; }
}