:root {
  --bg: #060913; --surface: #0c1222; --border: #1b263e;
  --lime: #b9f27c; --text: #f8fafc; --text-2: #94a3b8; --text-3: #64748b;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", SFMono-Regular, ui-monospace, Consolas, Menlo, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 16px; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--lime); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
nav {
  position: sticky; top: 0; background: rgba(6,9,19,.92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); }
.brand .mark {
  width: 28px; height: 28px; border-radius: 8px; background: var(--lime); color: #0b1020;
  display: grid; place-items: center; font-size: 17px; font-weight: 800; transform: rotate(-10deg);
}
main { padding: 56px 0 96px; }
h1 { font-size: clamp(28px, 5vw, 38px); letter-spacing: -.02em; line-height: 1.15; margin: 0 0 6px; }
.updated { font-family: var(--mono); font-size: 12.5px; color: var(--text-3); margin: 0 0 36px; }
h2 { font-size: 20px; margin: 36px 0 10px; letter-spacing: -.01em; }
p, li { color: var(--text-2); }
p strong, li strong { color: var(--text); }
ul { padding-left: 20px; }
footer { border-top: 1px solid var(--border); padding: 28px 0 48px; }
footer p { font-family: var(--mono); font-size: 12.5px; color: var(--text-3); }
