:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #5f6368;
  --line: #dadce0;
  --bg: #fafafa;
  --panel: #ffffff;
  --accent: #0b6651;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.62;
}
.site-header, .site-footer {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  padding: 16px max(20px, calc((100vw - 960px) / 2));
}
.site-footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}
.hero {
  background: #f4f1ec;
  border-bottom: 1px solid var(--line);
}
.hero-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 44px 20px 42px;
}
.hero h1 {
  max-width: 780px;
  font-size: 42px;
  margin: 0 0 14px;
}
.hero p {
  max-width: 740px;
  color: var(--muted);
  font-size: 17px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.button, .track-button {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}
.button.secondary {
  background: #fff;
  color: var(--accent);
}
.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}
.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}
.article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}
.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-intro {
  margin-bottom: 18px;
}
.section-intro p {
  color: var(--muted);
  max-width: 720px;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.guide-grid > h2,
.guide-grid > ul {
  background: var(--panel);
  border: 1px solid var(--line);
}
.guide-grid > h2 {
  display: none;
}
.guide-grid > ul {
  margin: 0;
  border-radius: 8px;
  padding: 18px 18px 18px 34px;
}
.guide-grid > ul::before {
  content: "Guide group";
  display: block;
  margin-left: -16px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.cta-panel {
  margin-top: 28px;
  padding: 18px;
  border: 1px solid #bdd7cd;
  border-radius: 8px;
  background: #f2faf6;
}
.cta-panel p {
  color: var(--muted);
}
h1, h2, h3 {
  line-height: 1.25;
  margin: 28px 0 12px;
}
h1 { margin-top: 0; font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 19px; }
a { color: var(--accent); }
table {
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
}
th, td {
  border: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}
th { background: #f1f4f3; }
.post-list {
  padding-left: 20px;
}
@media (max-width: 640px) {
  .article { padding: 20px; }
  h1 { font-size: 26px; }
  .hero h1 { font-size: 31px; }
  .guide-grid { grid-template-columns: 1fr; }
}