:root {
  --bg: #f6f4ee;
  --ink: #16181d;
  --muted: #5b606b;
  --line: #dcd8cc;
  --card: #fffdf8;
  --accent: #2f6df6;
  --live: #1f9d6b;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --ink: #eceae4;
    --muted: #9ba1ad;
    --line: #2a2e36;
    --card: #181b21;
    --accent: #7aa2ff;
    --live: #4cc995;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 32px 16px 56px; }
.top { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.mark { width: 22px; height: 22px; border-radius: 6px; background: var(--ink);
  box-shadow: inset -7px -7px 0 0 var(--accent); }
.hero { padding: 72px 0 40px; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 18px; max-width: 16ch; }
.lede { color: var(--muted); max-width: 60ch; margin: 0; font-size: 1.08rem; }
h2 { font-size: 1rem; text-transform: none; color: var(--muted); font-weight: 600; margin: 24px 0 14px; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.kit { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 18px 20px; }
.kit h3 { margin: 10px 0 6px; font-size: 1.08rem; }
.kit p { margin: 0; color: var(--muted); font-size: 0.96rem; }
.state { display: inline-block; font-size: 0.78rem; font-weight: 600; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); }
.kit.live .state { color: var(--live); border-color: currentColor; }
.foot { margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.92rem; }
a { color: var(--accent); }
.center { min-height: 70vh; display: grid; place-content: center; text-align: center; }