/* Base */
:root {
  --bg: #0a0e1a;
  --surface: #0d1424;
  --border: #1a2540;
  --cyan: #00e5ff;
  --cyan-dim: rgba(0,229,255,0.12);
  --text: #e8eaf0;
  --text-muted: #6b7a99;
  --green: #4ade80;
  --yellow: #fbbf24;
  --red: #f87171;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Source Sans 3', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--cyan);
  letter-spacing: -0.5px;
}
.nav-tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  background: var(--cyan-dim);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(0,229,255,0.2);
}

/* Hero */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 40px 60px;
  text-align: left;
}
.hero-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--mono);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -1px;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 40px;
}
.hero-install {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.install-cmd {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.2);
  padding: 12px 20px;
  border-radius: 8px;
  display: inline-block;
}
.install-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* Terminal */
.terminal-section {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 80px;
}
.terminal-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,229,255,0.05);
}
.terminal-bar {
  background: #111827;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }
.terminal-title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 8px;
}
.terminal-body {
  padding: 24px 28px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.8;
}
.terminal-prompt { color: var(--text-muted); }
.terminal-success { color: var(--green); }
.terminal-comment { color: var(--text-muted); }
.mt { margin-top: 12px; }
.terminal-caption {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

/* Features */
.features {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 80px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.feature-card {
  background: var(--surface);
  padding: 32px 36px;
}
.feature-icon {
  width: 32px;
  height: 32px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.3);
  border-radius: 8px;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
.feature-card code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
}

/* Workflow */
.workflow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 80px;
}
.section-title {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 40px;
  text-align: center;
}
.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan);
  font-weight: 700;
  padding-top: 2px;
  min-width: 28px;
}
.step-content h4 {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}
.step-code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.2);
  padding: 6px 12px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 10px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Manifesto */
.manifesto {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 40px;
}
.manifesto-text {
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.manifesto-text:last-child { margin-bottom: 0; }

/* Footer */
.footer {
  padding: 32px 40px;
}
.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-muted);
}
.footer-tag {
  font-size: 13px;
  color: var(--text-muted);
}

/* Mobile */
@media (max-width: 640px) {
  .navbar { padding: 16px 20px; }
  .hero { padding: 48px 20px 40px; }
  .hero-title { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .terminal-section { padding: 0 20px 48px; }
  .features { padding: 0 20px 48px; }
  .features-grid { grid-template-columns: 1fr; }
  .workflow { padding: 0 20px 48px; }
  .manifesto-inner { padding: 40px 20px; }
  .manifesto-text { font-size: 15px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .footer { padding: 24px 20px; }
}