:root {
  --emerald: #059669;
  --emerald-dark: #047857;
  --emerald-soft: #ecfdf5;
  --grey-border: #e5e7eb;
  --grey-muted: #6b7280;
  --grey-heading: #111827;
  --grey-text: #374151;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, sans-serif;
  background: #fff;
  color: var(--grey-text);
  line-height: 1.6;
}
.wrap { max-width: 920px; margin: 0 auto; padding: 32px 20px 64px; }
header {
  border-bottom: 3px solid var(--emerald);
  padding-bottom: 20px;
  margin-bottom: 28px;
}
header .brand { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--emerald-dark); }
header h1 { font-size: 1.75rem; color: var(--grey-heading); margin-top: 8px; }
header p { color: var(--grey-muted); font-size: 14px; margin-top: 8px; }
nav.docnav { position: sticky; top: 0; z-index: 10; background: #fff; padding: 10px 0 14px; border-bottom: 1px solid var(--grey-border); }
nav.docnav a.current { background: var(--emerald-soft); border-color: var(--emerald); }
.section { scroll-margin-top: 72px; margin-bottom: 40px; }
.section > h2 { font-size: 1.35rem; color: var(--grey-heading); margin: 0 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--emerald); }
.campaign-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 16px 0; }
.campaign { border: 1px solid var(--grey-border); border-radius: 12px; padding: 16px; }
.campaign h3 { font-size: 14px; margin-bottom: 6px; color: var(--grey-heading); }
.campaign .tier { font-size: 12px; font-weight: 700; color: var(--emerald-dark); margin-bottom: 8px; }
.chip { display: inline-block; background: #f3f4f6; border-radius: 6px; padding: 3px 8px; font-size: 11px; margin: 2px 4px 2px 0; }
nav.docnav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
nav.docnav a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--grey-border);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--emerald-dark);
  text-decoration: none;
}
nav.docnav a:hover, nav.docnav a.current { background: var(--emerald-soft); border-color: var(--emerald); }
.content h2 { font-size: 1.15rem; color: var(--grey-heading); margin: 28px 0 10px; padding-top: 8px; border-top: 1px solid var(--grey-border); }
.content h2:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.content h3 { font-size: 1rem; color: var(--grey-heading); margin: 18px 0 8px; }
.content p { margin: 10px 0; font-size: 15px; }
.content ul { margin: 10px 0 10px 20px; font-size: 15px; }
.content li { margin: 4px 0; }
.content hr { border: 0; border-top: 1px solid var(--grey-border); margin: 24px 0; }
.content table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 14px 0; }
.content th, .content td { border: 1px solid var(--grey-border); padding: 8px 10px; text-align: left; vertical-align: top; }
.content th { background: #f9fafb; font-weight: 700; color: var(--grey-heading); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-top: 20px; }
.card {
  border: 1px solid var(--grey-border);
  border-radius: 12px;
  padding: 18px;
  background: #fff;
}
.card h2 { font-size: 15px; margin: 0 0 8px; border: 0; padding: 0; }
.card p { font-size: 13px; color: var(--grey-muted); margin: 0 0 12px; }
.card a.btn {
  display: inline-block;
  background: var(--emerald);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
.card a.btn:hover { background: var(--emerald-dark); color: #fff; }
footer { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--grey-border); font-size: 12px; color: var(--grey-muted); }