:root {
  --bg: #0b0d10;
  --panel: #11141a;
  --text: #e6e8ec;
  --muted: #8b8f98;
  --accent: #6cff00;
}

* {
  box-sizing: border-box;
  font-family: Inter, system-ui, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.command-shell {
  display: grid;
  grid-template-columns: 90px 1fr;
  min-height: 100vh;
}

/* Authority Rail */
.authority-rail {
  background: #07090c;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  gap: 20px;
}

.rail-logo {
  font-weight: 800;
  font-size: 20px;
  color: var(--accent);
}

.rail-line {
  width: 1px;
  height: 120px;
  background: var(--accent);
  opacity: 0.4;
}

.rail-text {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--muted);
}

/* Main Command Area */
.command-main {
  padding: 80px 100px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 100px;
}

/* Hero */
.hero {
  max-width: 720px;
}

.hero h1 {
  font-size: 64px;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
}

button {
  padding: 14px 26px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 2px;
  letter-spacing: 0.5px;
}

.primary {
  background: var(--accent);
  color: #000;
  border: none;
  font-weight: 600;
}

.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid #2a2e36;
}

/* Signals */
.signals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.signal-card {
  background: var(--panel);
  padding: 32px;
  border-left: 2px solid var(--accent);
}

.signal-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.signal-card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.command-footer {
  margin-top: 120px;
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--muted);
  text-transform: uppercase;
  opacity: 0.6;
}