:root {
  --bg: #0d1117;
  --bg-surface: #161b22;
  --fg: #e6edf3;
  --fg-muted: #8b949e;
  --accent: #f5a623;
  --accent-dim: rgba(245, 166, 35, 0.15);
  --border: rgba(230, 237, 243, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Dot grid background texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(245,166,35,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

/* Navigation */
.nav {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fg-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 100px 48px 120px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: center;
}

.hero-eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 28px;
  letter-spacing: -0.03em;
}

.hero-lede {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat {}

.stat-value {
  font-family: 'Instrument Serif', serif;
  font-size: 32px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Zone rings visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.zone-rings svg {
  width: 320px;
  height: 320px;
}

/* Zone events */
.zone-events {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 360px;
}

.event-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}

.event-enter .event-icon { color: #4ade80; }
.event-trigger .event-icon { color: var(--accent); }
.event-done .event-icon { color: #60a5fa; }

.event-text { flex: 1; color: var(--fg); }
.event-time { color: var(--fg-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.event-icon { font-size: 16px; }

/* How it works */
.howitworks {
  position: relative;
  z-index: 1;
  padding: 100px 48px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 20px;
}

.section-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(28px, 3.5vw, 44px);
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 64px;
  max-width: 560px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
}

.step-number {
  font-family: 'Instrument Serif', serif;
  font-size: 48px;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 20px;
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Features */
.features {
  position: relative;
  z-index: 1;
  padding: 100px 48px;
}

.features .section-label {
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  max-width: 1280px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature {
  padding: 36px 32px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.feature:nth-child(3n) { border-right: none; }
.feature:nth-last-child(-n+3) { border-bottom: none; }

.feature-icon {
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Manifesto */
.manifesto {
  position: relative;
  z-index: 1;
  padding: 120px 48px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-content {
  max-width: 760px;
  margin: 0 auto;
}

.manifesto-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
}

.manifesto-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(24px, 3vw, 38px);
  color: var(--fg);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
}

.manifesto-body {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.manifesto-emphasis {
  color: var(--fg);
  font-weight: 500;
  font-size: 18px;
}

/* Closing */
.closing {
  position: relative;
  z-index: 1;
  padding: 140px 48px;
  text-align: center;
}

.closing-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 7vw, 96px);
  color: var(--fg);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 18px;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 14px;
  font-weight: 500;
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  padding: 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-logo {
  font-family: 'Instrument Serif', serif;
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.footer-copy {
  font-size: 12px;
  color: var(--fg-muted);
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 60px 24px 80px; }
  .hero-visual { display: none; }
  .hero-stats { gap: 24px; }
  .howitworks { padding: 60px 24px; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .features { padding: 60px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature { border-right: none; }
  .feature:nth-last-child(-n+3) { border-bottom: 1px solid var(--border); }
  .feature:last-child { border-bottom: none; }
  .manifesto { padding: 80px 24px; }
  .closing { padding: 100px 24px; }
  .footer { padding: 36px 24px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 16px; }
}