:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #6e7681;
  --blue: #58a6ff;
  --green: #3fb950;
  --purple: #bc8cff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

.hero {
  text-align: center;
  padding: 4rem 2rem 3rem;
  border-bottom: 1px solid var(--border);
}
.robot-eye { font-size: 4rem; margin-bottom: 1rem; animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }
h1 { font-size: 2.5rem; font-weight: 700; margin-bottom: 0.5rem; background: linear-gradient(135deg, var(--blue), var(--purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.tagline { color: var(--muted); font-size: 1.1rem; margin-bottom: 1.5rem; }
.pills { display: flex; justify-content: center; gap: 0.5rem; flex-wrap: wrap; }
.pill { padding: 0.35rem 0.85rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600; }
.pill.blue { background: rgba(88,166,255,0.15); color: var(--blue); border: 1px solid rgba(88,166,255,0.3); }
.pill.green { background: rgba(63,185,80,0.15); color: var(--green); border: 1px solid rgba(63,185,80,0.3); }
.pill.purple { background: rgba(188,140,255,0.15); color: var(--purple); border: 1px solid rgba(188,140,255,0.3); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; padding: 3rem 2rem; max-width: 900px; margin: 0 auto; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; }
.feature .icon { font-size: 2rem; margin-bottom: 0.75rem; }
.feature h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.feature p { font-size: 0.875rem; color: var(--muted); line-height: 1.5; }
code { background: rgba(255,255,255,0.08); padding: 0.1rem 0.35rem; border-radius: 4px; font-family: monospace; font-size: 0.85em; }

.install { max-width: 600px; margin: 0 auto; padding: 2rem; border-top: 1px solid var(--border); }
.install h2 { font-size: 1.2rem; margin-bottom: 1rem; }
.install pre { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.5rem; font-family: monospace; font-size: 0.9rem; margin-bottom: 1rem; }
.install p { font-size: 0.875rem; color: var(--muted); line-height: 1.6; margin-bottom: 0.5rem; }

footer { text-align: center; padding: 2rem; border-top: 1px solid var(--border); }
footer p { font-size: 0.8rem; color: var(--muted); }
footer a { color: var(--blue); text-decoration: none; }
footer a:hover { text-decoration: underline; }