:root {
  --bg: #0a0a0f;
  --fg: #e8e8ec;
  --dim: #8a8a96;
  --accent: #7c3aed;
  --accent-2: #22c55e;
  --line: #1c1c24;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); background: #15151c; padding: 0.05em 0.4em; border-radius: 4px; font-size: 0.92em; }
pre { font-family: var(--mono); background: #0e0e15; border: 1px solid var(--line); border-radius: 8px; padding: 1em; overflow-x: auto; }

section, header, footer {
  max-width: 880px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

header.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 0 0 0.8rem;
  letter-spacing: -0.02em;
  font-family: var(--mono);
  color: var(--accent);
}

header.hero .tag {
  font-size: 1.1rem;
  color: var(--fg);
  max-width: 62ch;
}

.cta-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 1.5rem 0 2rem; }
.cta {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}
.cta.primary { background: var(--accent); color: #fff; }
.cta.primary:hover { text-decoration: none; filter: brightness(1.1); }
.cta.ghost { border: 1px solid var(--line); color: var(--fg); }
.cta.ghost:hover { border-color: var(--accent); text-decoration: none; }

#rule30 {
  width: 100%;
  max-width: 800px;
  height: auto;
  background: #000;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: block;
  margin-top: 1rem;
  image-rendering: pixelated;
}

.caption { color: var(--dim); font-size: 0.88rem; margin-top: 0.5rem; }

h2 {
  font-family: var(--mono);
  color: var(--accent-2);
  letter-spacing: -0.01em;
  font-size: 1.4rem;
  margin-top: 0;
}

ul, ol { padding-left: 1.2rem; }
ol.acts li { margin: 0.7em 0; }

.live-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 700px) { .live-grid { grid-template-columns: 1fr; } }
.live-pane h3 { margin: 0 0 0.5rem; font-family: var(--mono); font-size: 0.95rem; color: var(--dim); }
.placeholder {
  background: #0e0e15;
  border: 1px dashed var(--line);
  border-radius: 6px;
  padding: 2rem 1rem;
  text-align: center;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.88rem;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

footer { text-align: center; color: var(--dim); font-size: 0.9rem; border-bottom: none; }