:root {
  --bg: #ffffff;
  --ink: #0a0a0a;
  --ink-dim: #5a5a5a;
  --accent: #d21f2e;
  --line: #e6e6e6;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Berkeley Mono", "JetBrains Mono", ui-monospace, "Courier New", monospace;
  font-size: 16px;
  line-height: 1.7;
}

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: 4rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 2rem 2.5rem;
  align-items: start;
}

.logo-img {
  display: block;
  width: min(460px, 100%);
  height: auto;
  margin-bottom: 2.5rem;
}

.body { margin-bottom: 1.6rem; max-width: 62ch; }

.body.dim { color: var(--ink-dim); }

.diagram { margin: 0 0 2rem; padding: 0.75rem 0; }

.diagram-svg, .diagram-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 961px;
  aspect-ratio: 961 / 292;
}

.diagram-img { aspect-ratio: 1817 / 1058; }

.diagram-caption {
  margin-top: 0.75rem;
  color: var(--ink-dim);
  font-size: 14px;
}

.section {
  color: var(--accent);
  margin: 2.5rem 0 0.6rem;
  letter-spacing: 0.15em;
}

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

code.config {
  display: block;
  max-width: 62ch;
  background: #f5f5f5;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  padding: 1rem 1.25rem;
  margin: 0 0 1.6rem;
  white-space: pre;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.6;
}

/* Right-hand video stage */
.stage {
  position: sticky;
  top: 2rem;
  margin-top: 2rem;
}

.stage-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: #000;
}

.stage-caption {
  margin-top: 0.75rem;
  color: var(--ink-dim);
  font-size: 14px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 4rem;
  margin-top: 4rem;
  color: var(--ink-dim);
  font-size: 14px;
}

.footer p { margin-bottom: 0.75rem; }

.footer a { display: block; width: fit-content; }

.footer-logo {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 96px;
}

@media (max-width: 900px) {
  /* Unwrap .content so the video can stack between logo and ABOUT */
  .layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .content { display: contents; }

  .content > * { order: 2; }
  .logo-img { order: 0; }

  .stage {
    order: 1;
    position: static;
    margin: 0 0 2rem;
  }
}