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

:root {
  --bg: #0a0a0a;
  --fg: #e0e0e0;
  --dim: #666;
  --dim2: #444;
  --border: #222;
  --accent: #fff;
  --green: #4ade80;
  --yellow: #facc15;
  --red: #f87171;
  --blue: #60a5fa;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --orange: #fb923c;
  --surface: #111;
  --surface2: #141414;
  --mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
}

body {
  font-family: var(--mono);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--fg); text-decoration-color: var(--dim); text-underline-offset: 3px; }
a:hover { color: var(--accent); text-decoration-color: var(--accent); }

.container { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* Nav */
nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 50;
}
nav .logo { font-size: 18px; font-weight: 700; letter-spacing: -0.5px; color: var(--accent); text-decoration: none; }
nav .logo img { width: 24px; height: 24px; border-radius: 5px; vertical-align: middle; margin-right: 8px; }
nav .links { display: flex; gap: 20px; font-size: 13px; color: var(--dim); }
nav .links a.active { color: var(--accent); text-decoration-color: var(--accent); }

/* Install box */
.install-box { cursor: pointer; position: relative; }
.install-box:hover { border-color: #444 !important; }
.install-box .copied { position: absolute; top: -28px; left: 50%; transform: translateX(-50%); font-size: 12px; color: var(--green); opacity: 0; transition: opacity 0.2s; }
.install-box .copied.show { opacity: 1 !important; }

/* Terminal */
.terminal {
  background: #0d0d0d; border: 1px solid var(--border);
  border-radius: 10px; margin: 24px 0; overflow: hidden;
}
.terminal-bar {
  background: var(--surface2); padding: 10px 16px;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--border);
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; background: #333; }
.terminal-title { font-size: 12px; color: var(--dim); margin-left: 8px; }
.terminal-body {
  padding: 20px 24px; font-size: 13px; line-height: 1.7; overflow-x: auto;
}
.terminal-body .cmd { color: var(--accent); }
.terminal-body .g { color: var(--green); }
.terminal-body .y { color: var(--yellow); }
.terminal-body .r { color: var(--red); }
.terminal-body .d { color: var(--dim2); }
.terminal-body .b { color: var(--blue); }
.terminal-body .c { color: var(--cyan); }
.terminal-body .p { color: var(--purple); }

/* Sections */
section { padding: 60px 0; border-top: 1px solid var(--border); }
section:first-of-type { border-top: none; }
section h2 {
  font-size: 22px; font-weight: 600; color: var(--accent);
  margin-bottom: 12px; letter-spacing: -0.5px;
}
section h3 {
  font-size: 16px; font-weight: 600; color: var(--accent);
  margin: 32px 0 16px;
}
section .section-desc {
  font-size: 14px; color: var(--dim); margin-bottom: 32px; line-height: 1.7;
}

/* Feature cards */
.feature-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.feature-card {
  padding: 20px; border: 1px solid var(--border); border-radius: 8px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: #444; }
.feature-card h3 { font-size: 14px; color: var(--accent); margin: 0 0 8px; }
.feature-card p { font-size: 12px; color: var(--dim); line-height: 1.6; }

/* Phase cards */
.phase-cards { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.phase-card {
  padding: 20px; border: 1px solid var(--border); border-radius: 8px;
  transition: border-color 0.2s;
}
.phase-card:hover { border-color: #444; }
.phase-card h3 { font-size: 14px; color: var(--accent); margin-bottom: 8px; }
.phase-card p { font-size: 12px; color: var(--dim); line-height: 1.6; }
.phase-card .tag {
  display: inline-block; font-size: 10px; padding: 2px 8px;
  border-radius: 4px; margin-bottom: 10px; font-weight: 600;
}

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; padding: 10px 16px; color: var(--dim);
  font-weight: 400; border-bottom: 1px solid var(--border);
}
td { padding: 10px 16px; border-bottom: 1px solid #181818; color: var(--fg); }
tr:last-child td { border-bottom: none; }
td code { color: var(--cyan); font-size: 12px; background: none; padding: 0; }

/* Inline code */
code {
  color: var(--cyan); font-size: 12px; background: var(--surface);
  padding: 1px 5px; border-radius: 3px;
}

/* Download button */
.download-btn {
  display: inline-block; padding: 10px 24px;
  background: var(--accent); color: var(--bg);
  font-size: 14px; font-weight: 600; border-radius: 8px;
  text-decoration: none; transition: opacity 0.15s;
}
.download-btn:hover { opacity: 0.85; color: var(--bg); text-decoration: none; }

/* Footer */
footer {
  padding: 40px 0; border-top: 1px solid var(--border);
  text-align: center; font-size: 12px; color: var(--dim);
}

@media (max-width: 640px) {
  .feature-cards { grid-template-columns: 1fr; }
  .phase-cards { grid-template-columns: 1fr; }
  nav .links { gap: 12px; font-size: 12px; }
}