:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --card: #171a21;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --accent: #ff6a00;
  --link: #7dd3fc;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --card: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --link: #0369a1;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(255, 106, 0, 0.18), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}

header {
  background: var(--card);
  border: 1px solid rgba(127, 127, 127, 0.2);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 28px;
}

.brand {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.15;
}

h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

section {
  margin-bottom: 22px;
}

ul {
  padding-left: 1.2rem;
}

li { margin: 0.35rem 0; }

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

footer {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid rgba(127, 127, 127, 0.25);
  color: var(--muted);
  font-size: 0.9rem;
}