:root {
    --bg: #0b0e14; --panel: #11151f; --line: #1f2534;
    --text: #d7dce6; --dim: #8a93a6; --accent: #4fd1a5; --accent2: #7aa2f7;
  }
  * { box-sizing: border-box; margin: 0; }
  body {
    background: var(--bg); color: var(--text);
    font: 16px/1.65 ui-sans-serif, system-ui, "Segoe UI", sans-serif;
    min-height: 100vh;
  }
  code, pre { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; }
  a { color: var(--accent2); text-decoration: none; }
  a:hover { text-decoration: underline; }
  .wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }
  .pad { padding-top: 72px; }
  .mt { margin-top: 24px; }
  .h1 { font-size: 28px; margin-bottom: 12px; }
  .dim { color: var(--dim); }
  .narrow { max-width: 56ch; }
  header.site { padding: 26px 0; border-bottom: 1px solid var(--line); }
  .mark { font-weight: 700; letter-spacing: .14em; font-size: 15px; }
  .mark .dot { color: var(--accent); }
  footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 48px; color: var(--dim); font-size: 14px; }
  pre.block {
    background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
    padding: 16px 18px; overflow-x: auto; font-size: 13.5px; line-height: 1.6;
  }
  .hero { padding: 80px 0 56px; }
  .hero h1 { font-size: clamp(30px,5vw,44px); line-height: 1.15; max-width: 22ch; }
  .lede { margin-top: 20px; color: var(--dim); max-width: 58ch; font-size: 18px; }
  .sub { margin-top: 14px; color: var(--dim); max-width: 58ch; }
  h2 { font-size: 20px; margin-bottom: 14px; }
  .ok { color: var(--accent); }