:root {
  --text: #1c1917;
  --muted: #57534e;
  --bg: #f7f6f3;
  --card: #ffffff;
  --border: #e7e5e4;
  --accent: #c2410c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration: underline;
}

.top {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.top-inner,
.wrap,
.footer-inner {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.35rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.45rem;
  background: linear-gradient(135deg, #ff8b24 0%, #ff5a2d 40%, #f43a36 75%, #df1f3a 100%);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.25rem;
  margin-top: 0.85rem;
  font-size: 0.92rem;
}

h1 {
  margin: 0 0 0.4rem;
  font-size: 2.15rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.meta {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.lede {
  font-size: 1.05rem;
}

.toc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin: 0 0 2.25rem;
}

.toc h2 {
  margin: 0 0 0.6rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.toc ol {
  margin: 0;
  padding-left: 1.2rem;
}

.toc li {
  margin: 0.2rem 0;
}

h2 {
  margin: 2.35rem 0 0.65rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

h3 {
  margin: 1.35rem 0 0.4rem;
  font-size: 1.02rem;
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

li {
  margin: 0 0 0.4rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  padding: 0.7rem 0.8rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  background: #f1eeea;
}

tr:last-child td {
  border-bottom: none;
}

.footer {
  margin-top: 3.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}