:root {
  --bg: #050507;
  --bg-2: #0a0a12;
  --cyan: #00f5ff;
  --green: #00ff88;
  --red: #ff3366;
  --text: #f5f5fa;
  --muted: #6b6b80;
  --rule: rgba(0, 245, 255, 0.18);
  --grid: rgba(0, 245, 255, 0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  min-height: 100%;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    radial-gradient(ellipse at 50% 0%, rgba(0, 245, 255, 0.06), transparent 60%);
  background-size: 48px 48px, 48px 48px, 100% 100%;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 28px 96px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 64px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 56px;
}

.brand {
  font-family: "IBM Plex Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand .pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan), 0 0 0 3px rgba(0, 245, 255, 0.18);
  margin: 0 4px;
}
.brand .live { color: var(--cyan); }

nav.site { display: flex; gap: 28px; font-size: 14px; letter-spacing: 0.06em; }
nav.site a { color: var(--muted); }
nav.site a:hover { color: var(--text); text-decoration: none; }

h1 {
  font-size: 56px;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
h2 {
  font-size: 22px;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.005em;
}
h3 {
  font-size: 17px;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--cyan);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

p { margin: 0 0 16px; color: var(--text); }
.muted { color: var(--muted); }

.lede {
  font-size: 22px;
  line-height: 1.45;
  color: var(--muted);
  margin-bottom: 36px;
}

ul { padding-left: 20px; }
li { margin-bottom: 8px; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 16px 24px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 16px;
}
.cta:hover { background: rgba(0, 245, 255, 0.08); text-decoration: none; }

footer.site {
  margin-top: 96px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  letter-spacing: 0.05em;
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--cyan); }

.meta {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.callout {
  border-left: 3px solid var(--cyan);
  background: rgba(0, 245, 255, 0.04);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 16px;
}
.callout strong { color: var(--text); }

.warn {
  border-left-color: var(--red);
  background: rgba(255, 51, 102, 0.06);
}