:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-2: #18181f;
  --border: #1e1e2a;
  --fg: #f0f0f5;
  --fg-dim: #6b6b80;
  --fg-muted: #3d3d50;
  --accent: #00d4ff;
  --accent-dim: #0099bb;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --red: #ff4d4d;
  --yellow: #ffd54f;
  --green: #4dff88;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

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

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.nav-tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  padding: 140px 40px 80px;
  display: flex;
  align-items: center;
}
.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.eyebrow-dim { color: var(--fg-muted); }
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.accent-text { color: var(--accent); }
.hero-lede {
  font-size: 17px;
  color: var(--fg-dim);
  line-height: 1.65;
  max-width: 480px;
  margin-bottom: 48px;
}

/* Terminal */
.hero-terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  max-width: 520px;
}
.terminal-bar {
  background: var(--surface-2);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}
.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  margin-left: 8px;
}
.terminal-body {
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--fg);
}
.terminal-line { color: var(--fg); }
.terminal-line.muted { color: var(--fg-dim); }
.prompt { color: var(--accent); margin-right: 10px; }

/* Orbit visual */
.hero-visual {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 0 auto;
}
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.ring-1 { width: 280px; height: 280px; border-color: rgba(0,212,255,0.1); }
.ring-2 { width: 360px; height: 360px; border-color: rgba(0,212,255,0.06); }
.ring-3 { width: 440px; height: 440px; border-color: rgba(0,212,255,0.03); }
.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(0,212,255,0.4), 0 0 80px rgba(0,212,255,0.15);
}
.core-inner {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--bg);
}
.orbit-node {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--fg-dim);
  white-space: nowrap;
}
.n1 { top: 15px; left: 50%; transform: translateX(-50%); }
.n2 { top: 50%; right: -10px; transform: translateY(-50%); }
.n3 { bottom: 15px; left: 50%; transform: translateX(-50%); }
.n4 { top: 50%; left: -10px; transform: translateY(-50%); }

/* ── Manifesto ── */
.manifesto {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 40px;
}
.manifesto-inner {
  max-width: 780px;
  margin: 0 auto;
}
.manifesto-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 0.08em;
}
.manifesto-text {
  font-size: 18px;
  line-height: 1.8;
  color: var(--fg-dim);
  margin-bottom: 24px;
}
.manifesto-text strong { color: var(--fg); }

/* ── Features ── */
.features {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.features-header {
  margin-bottom: 72px;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.feature-card {
  background: var(--surface);
  padding: 40px 36px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--surface-2); }
.feature-icon {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 20px;
  line-height: 1;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ── Outcomes ── */
.outcomes {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 40px;
}
.outcomes-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
  margin-top: 48px;
}
.outcome-stat {
  font-family: var(--font-display);
  font-size: clamp(56px, 6vw, 88px);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}
.outcome-label {
  font-size: 14px;
  color: var(--fg-dim);
  margin-top: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

/* ── Closing ── */
.closing {
  padding: 100px 40px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 17px;
  color: var(--fg-dim);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 40px;
}
.closing-vision {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.3);
  padding: 10px 24px;
  border-radius: 30px;
  background: rgba(0,212,255,0.05);
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--fg-dim);
  margin-bottom: 24px;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { width: 300px; height: 300px; margin: 0 auto; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .outcomes-grid { grid-template-columns: 1fr; gap: 40px; }
  .manifesto, .features, .closing, .outcomes, .footer { padding-left: 20px; padding-right: 20px; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 120px; }
  .nav { padding: 16px 20px; }
}