:root {
  --bg: #080808;
  --surface: #0f0f0f;
  --surface2: #141414;
  --border: #222222;
  --fg: #e8e8e0;
  --fg2: #999;
  --fg3: #555;
  --accent: #c8ff00;
  --accent-dim: rgba(200, 255, 0, 0.12);
  --accent-dim2: rgba(200, 255, 0, 0.06);
  --font-display: 'Syne', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0 8vw;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,255,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,255,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-circuit-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.circuit-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, var(--accent-dim2), transparent);
  height: 1px;
  opacity: 0.4;
}
.l1 { width: 40%; top: 30%; left: 0; transform: rotate(-8deg); animation: circuitMove 8s ease-in-out infinite; }
.l2 { width: 30%; top: 55%; right: 0; transform: rotate(5deg); animation: circuitMove 12s ease-in-out infinite reverse; }
.l3 { width: 25%; top: 75%; left: 10%; transform: rotate(-3deg); animation: circuitMove 10s ease-in-out infinite; }
.l4 { width: 35%; top: 15%; right: 5%; transform: rotate(7deg); animation: circuitMove 15s ease-in-out infinite reverse; }

@keyframes circuitMove {
  0%, 100% { opacity: 0.2; transform: translateX(0) rotate(var(--r, 0deg)); }
  50% { opacity: 0.5; transform: translateX(20px) rotate(var(--r, 0deg)); }
}

/* Hero left */
.hero-left {
  position: relative;
  z-index: 2;
  padding-right: 4vw;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  border: 1px solid rgba(200,255,0,0.2);
  padding: 6px 14px;
  border-radius: 2px;
}

.tag-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero-headline {
  font-size: clamp(56px, 7vw, 96px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: var(--fg);
}

.headline-charge {
  color: var(--accent);
  display: inline-block;
  position: relative;
}

.hero-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg2);
  max-width: 440px;
  margin-bottom: 32px;
  font-weight: 400;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--fg3);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 2px;
}

/* Hero right */
.hero-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.bike-display {
  width: 100%;
  max-width: 520px;
  position: relative;
}

.bike-svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 40px rgba(200,255,0,0.1));
}

/* Data panel */
.data-panel {
  margin-top: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.data-label {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--fg3);
  text-transform: uppercase;
}

.data-live-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}

.data-row {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.data-key {
  color: var(--fg3);
  font-size: 10px;
  letter-spacing: 1px;
}

.data-val {
  color: var(--fg2);
  font-size: 12px;
}

.data-bar-wrap {
  height: 4px;
  background: var(--surface2);
  border-radius: 2px;
  overflow: hidden;
}

.data-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), rgba(200,255,0,0.4));
  border-radius: 2px;
  transition: width 1s ease;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  z-index: 2;
}

.scroll-text {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fg3);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(var(--accent), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%, 100% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
}

/* Features */
.features {
  padding: 120px 8vw;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.features-inner { max-width: 1200px; margin: 0 auto; }

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.feature-card {
  background: var(--surface);
  padding: 40px 36px;
  position: relative;
  transition: background 0.3s ease;
}

.feature-card:hover { background: var(--surface2); }

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  margin-bottom: 20px;
  opacity: 0.9;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 14px;
  color: var(--fg2);
  line-height: 1.65;
}

/* Metrics */
.metrics {
  padding: 100px 8vw;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.metrics-inner { max-width: 1200px; margin: 0 auto; }

.metrics-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fg3);
  margin-bottom: 48px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: 60px;
}

.metric-item {
  padding: 0 40px 0 0;
  border-right: 1px solid var(--border);
}

.metric-item:last-child { border-right: none; }

.metric-value {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.metric-desc {
  font-size: 13px;
  color: var(--fg3);
  line-height: 1.5;
  max-width: 180px;
}

.metrics-coda {
  font-size: 15px;
  color: var(--fg2);
  max-width: 600px;
  line-height: 1.7;
  border-left: 2px solid var(--accent);
  padding-left: 24px;
  font-style: italic;
}

/* Manifesto */
.manifesto {
  padding: 120px 8vw;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.manifesto-inner { max-width: 1200px; margin: 0 auto; }

.manifesto-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fg3);
  margin-bottom: 40px;
}

.manifesto-text {
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--fg);
  max-width: 900px;
  margin-bottom: 36px;
  font-style: normal;
}

.manifesto-body {
  font-size: 16px;
  color: var(--fg2);
  line-height: 1.75;
  max-width: 700px;
  margin-bottom: 48px;
}

.manifesto-vision {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.vision-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(200,255,0,0.2);
  padding: 8px 16px;
  border-radius: 2px;
}

/* Footer */
.footer {
  padding: 80px 8vw 60px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner { max-width: 1200px; margin: 0 auto; }

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.footer-name {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg3);
  letter-spacing: 1px;
}

.footer-meta {
  font-size: 13px;
  color: var(--fg3);
  margin-bottom: 8px;
}

.footer-tech {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg3);
  letter-spacing: 0.5px;
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 6vw;
    min-height: auto;
    padding-top: 100px;
    gap: 48px;
  }
  .hero-right { order: -1; }
  .features-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .metric-item { border-right: none; padding-right: 0; }
}

@media (max-width: 600px) {
  .hero-headline { font-size: 48px; }
  .metrics-grid { grid-template-columns: 1fr; gap: 28px; }
  .manifesto-text { font-size: 22px; }
  .bike-display { max-width: 100%; }
}