:root {
  color-scheme: light;
  --bg: #f7f4ef;
  --surface: #ffffff;
  --surface-soft: #f2efea;
  --border: #ded8d0;
  --text: #242424;
  --muted: #5c5c5c;
  --accent: #b11f4b;
  --link: #006fbe;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #343231;
    --surface: #292929;
    --surface-soft: #302e2d;
    --border: #4c4947;
    --text: #e7e3df;
    --muted: #b7b0aa;
    --accent: #fd8ea1;
    --link: #6eb6ff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.site-nav {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.site-nav-inner, .page, .site-footer-inner {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}
.site-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
}
.brand { color: var(--text); font-size: 1.1rem; font-weight: 750; }
.nav-links { display: flex; flex-wrap: wrap; gap: 20px; }
.nav-links a { color: var(--muted); font-size: 0.94rem; }
.page { padding: 48px 0 64px; }
.breadcrumb { margin-bottom: 24px; color: var(--muted); font-size: 0.9rem; }
.hero {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.25; letter-spacing: -0.02em; }
h1 { margin: 0 0 14px; font-size: clamp(2rem, 6vw, 3.1rem); }
h2 { margin: 38px 0 12px; font-size: 1.55rem; }
h3 { margin: 26px 0 8px; font-size: 1.12rem; }
p, li { color: var(--muted); }
.lede { max-width: 760px; font-size: 1.12rem; }
.updated { margin: 12px 0 0; color: var(--muted); font-size: 0.86rem; }
.article {
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.article > :first-child { margin-top: 0; }
.article ul, .article ol { padding-left: 24px; }
.article li { margin: 8px 0; }
.note, .callout {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--surface-soft);
}
.note p, .callout p { margin: 0; }
.table-wrap { overflow-x: auto; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; border: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: var(--surface-soft); }
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.guide-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.guide-card h2, .guide-card h3 { margin-top: 0; }
.guide-card p { margin-bottom: 0; }
.article-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
}
.article-links a {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-soft);
  font-weight: 650;
}
.site-footer { border-top: 1px solid var(--border); background: var(--surface); }
.site-footer-inner { padding: 28px 0; }
.site-footer-links { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 10px; }
.site-footer p { margin: 0; font-size: 0.88rem; }
code { font-family: Consolas, "Courier New", monospace; }
@media (max-width: 680px) {
  .site-nav-inner { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .nav-links { gap: 12px 16px; }
  .page { padding-top: 32px; }
  .guide-grid, .article-links { grid-template-columns: 1fr; }
}