:root {
  color-scheme: dark;
  --bg: #0b0b0c;
  --surface: #151517;
  --text: #f4f4f5;
  --body: #e4e4e7;
  --muted: #a1a1aa;
  --line: #2a2a2e;
  --accent: #f5b25a;
  --link: #f5c27a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

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

header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
}

.brand span { color: var(--accent); }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

nav a { text-decoration: none; }
nav a:hover { text-decoration: underline; }
nav a[aria-current="page"] { color: var(--text); }

main {
  max-width: 780px;
  padding: 28px 20px 64px;
}

h1 {
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 8px;
}

h2 {
  font-size: 19px;
  margin: 32px 0 8px;
}

h3 {
  font-size: 16px;
  margin: 20px 0 6px;
}

p, li { color: var(--body); }

.meta { color: var(--muted); margin-top: 0; }

.lead { font-size: 18px; color: var(--text); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 16px 0;
}

.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
}

.features li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}

.features strong { display: block; color: var(--text); margin-bottom: 2px; }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 8px;
  font-size: 15px;
}

th, td {
  border: 1px solid #36363b;
  padding: 8px 10px;
  vertical-align: top;
  text-align: left;
}

th { font-weight: 600; color: var(--text); }

ul { padding-left: 1.2rem; }

details {
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

details p { margin: 8px 0 4px; }

footer {
  max-width: 780px;
  padding: 0 20px 40px;
  color: var(--muted);
  font-size: 14px;
}