:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface-2: #1e1e1e;
  --border: #2a2a2a;
  --fg: #e8e8e8;
  --fg-muted: #888;
  --accent: #ff4500;
  --accent-dim: #cc3700;
  --mono: 'DM Mono', monospace;
  --sans: 'Syne', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--fg);
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* HERO */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 120px 48px 80px;
  gap: 48px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(255,69,0,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(255,69,0,0.03) 0%, transparent 60%);
}
.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.hero-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
}
.hero-headline {
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.hero-lede {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--accent-dim); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--fg-muted); color: var(--fg); }
.hero-stat-row {
  display: flex;
  gap: 40px;
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.hero-stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--accent);
}
.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  text-transform: uppercase;
}

/* SCANNER WIDGET */
.hero-visual { position: relative; z-index: 1; display: flex; justify-content: center; }
.scanner-widget {
  width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  position: relative;
}
.scanner-frame {
  border: 2px solid var(--accent);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: relative;
}
.scanner-frame::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 1px solid rgba(255,69,0,0.2);
}
.scanner-crosshair {
  width: 60px;
  height: 60px;
  position: relative;
}
.scanner-crosshair::before,
.scanner-crosshair::after {
  content: '';
  position: absolute;
  background: var(--accent);
}
.scanner-crosshair::before {
  width: 2px; height: 100%;
  left: 50%; transform: translateX(-50%);
}
.scanner-crosshair::after {
  height: 2px; width: 100%;
  top: 50%; transform: translateY(-50%);
}
.scanner-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 12px;
}
.scanner-data {
  background: #0a0a0a;
  border: 1px solid var(--border);
  padding: 16px;
  width: 100%;
}
.data-line {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  padding: 3px 0;
}
.data-line.highlight { color: var(--accent); font-weight: 500; }
.scanner-engine {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  text-align: center;
  line-height: 2;
}

/* SECTION SHARED */
.section-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 48px;
}
.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
}

/* ENGINES */
.engines {
  padding: 100px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.engine-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.engine-card {
  background: var(--bg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
}
.engine-card.featured {
  background: var(--surface-2);
  box-shadow: inset 0 0 0 2px var(--accent);
}
.engine-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.engine-code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
}
.engine-parts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.part-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border: 1px solid var(--border);
  color: var(--fg-muted);
}
.engine-price {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin-top: auto;
}
.engines-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 24px;
  letter-spacing: 0.05em;
}

/* PRODUCTS */
.products {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}
.product-card {
  background: var(--bg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.2s;
}
.product-card:hover { background: var(--surface); }
.product-category {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
}
.product-name {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
}
.product-desc {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.7;
}
.product-price {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--fg);
}
.product-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  padding: 4px 8px;
  border: 1px solid var(--border);
  display: inline-block;
  width: fit-content;
}
.products-link {
  display: inline-block;
  margin-top: 32px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.products-link:hover { color: var(--accent); }

/* PROOF */
.proof {
  padding: 100px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.racing-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.racing-headline {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 32px;
}
.racing-program {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 28px;
}
.program-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.program-info p {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.program-cta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-decoration: none;
}
.program-stats {
  display: flex;
  gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.prog-stat { display: flex; flex-direction: column; gap: 4px; }
.prog-val {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--accent);
}
.prog-lbl {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  text-transform: uppercase;
}
.community-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.community-grid { display: flex; flex-direction: column; gap: 16px; }
.community-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 24px;
}
.community-quote {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg);
  line-height: 1.7;
  margin-bottom: 12px;
}
.community-source {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
}

/* CLOSING */
.closing {
  padding: 120px 48px;
  border-top: 1px solid var(--border);
}
.closing-content {
  max-width: 700px;
}
.closing-headline {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 24px;
}
.closing-body {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}

/* FOOTER */
.footer {
  padding: 64px 48px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
}
.footer-name {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 8px;
}
.footer-tagline {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}
.footer-links {
  display: flex;
  gap: 64px;
}
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer-col a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--fg); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 11px; }
  .hero { 
    grid-template-columns: 1fr; 
    padding: 100px 24px 60px; 
    text-align: center;
  }
  .hero-visual { display: none; }
  .hero-actions { justify-content: center; }
  .hero-stat-row { justify-content: center; }
  .engine-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .proof { grid-template-columns: 1fr; gap: 48px; }
  .footer { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
  .engines, .products, .proof, .closing { padding: 64px 24px; }
}