doctype html
html(lang="en")
  head
    meta(charset="utf-8")
    meta(name="viewport", content="width=device-width, initial-scale=1")
    title Pug Features Demo
    style.
      :root {
        color-scheme: light;
        --ink: #202124;
        --muted: #5f6368;
        --line: #dadce0;
        --paper: #ffffff;
        --soft: #f7f8fa;
        --accent: #0b57d0;
        --accent-soft: #e8f0fe;
        --good: #137333;
        --warn: #b06000;
      }

      * { box-sizing: border-box; }

      body {
        margin: 0;
        background: var(--soft);
        color: var(--ink);
        font: 15px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      }

      main {
        width: min(960px, calc(100% - 32px));
        margin: 32px auto;
      }

      header {
        margin-bottom: 24px;
      }

      h1, h2, h3, p { margin-top: 0; }
      h1 { font-size: 32px; line-height: 1.1; }
      h2 { font-size: 20px; margin-bottom: 12px; }
      h3 { font-size: 16px; margin-bottom: 6px; }

      .muted { color: var(--muted); }

      .panel, .feature-card {
        background: var(--paper);
        border: 1px solid var(--line);
        border-radius: 8px;
      }

      .panel {
        padding: 18px;
        margin-bottom: 16px;
      }

      .feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 12px;
        margin: 0;
        padding: 0;
        list-style: none;
      }

      .feature-card {
        padding: 14px;
      }

      .feature-card p { margin-bottom: 10px; }

      .badge {
        display: inline-flex;
        align-items: center;
        min-height: 24px;
        padding: 2px 8px;
        border-radius: 999px;
        background: var(--accent-soft);
        color: var(--accent);
        font-size: 12px;
        font-weight: 650;
      }

      .badge--ready {
        background: #e6f4ea;
        color: var(--good);
      }

      .badge--practice {
        background: #fef7e0;
        color: var(--warn);
      }

      code {
        background: #eef0f3;
        border-radius: 4px;
        padding: 1px 5px;
      }

  body
    main
      block content