:root {
  --bg: #050a07;
  --surface: #0a120d;
  --surface-2: #0f1a12;
  --border: rgba(0, 224, 126, 0.12);
  --green: #00E07E;
  --green-dim: rgba(0, 224, 126, 0.6);
  --text: #e8f0ea;
  --text-dim: rgba(232, 240, 234, 0.5);
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(5, 10, 7, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--text);
}
.nav-badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--green);
  background: rgba(0, 224, 126, 0.1);
  border: 1px solid rgba(0, 224, 126, 0.25);
  border-radius: 20px;
  padding: 3px 8px;
}

/* HERO */
.hero {
  padding: 120px 32px 80px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.hero-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--sans);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-dim);
  max-width: 540px;
  margin-bottom: 48px;
}
.hero-meta {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.meta-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.meta-value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--green);
}

/* SPREADBOARD */
.spreadboard {
  padding: 0 32px 80px;
}
.spreadboard-inner {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.spreadboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.spreadboard-title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.spreadboard-live {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.08em;
}
.spread-row {
  display: grid;
  grid-template-columns: 1.5fr 1.5fr 1.5fr 1fr 1.5fr;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.spread-row:last-of-type { border-bottom: none; }
.spread-row-head {
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.spread-row-dim { opacity: 0.45; }
.pair {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}
.exchange {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}
.exchange.buy::before { content: "↑ "; color: var(--green); }
.exchange.sell::before { content: "↓ "; color: #ff6b6b; }
.spread-val {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
}
.profit {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}
.spreadboard-footnote {
  padding: 12px 24px;
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--mono);
}

/* FEATURES */
.features {
  padding: 80px 32px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.features-title {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 56px;
  max-width: 460px;
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.feature-card {
  padding: 32px;
  background: var(--surface-2);
  border-radius: 0;
}
.feature-card:nth-child(even) {
  border-left: 1px solid var(--border);
}
.feature-icon {
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* HOW IT WORKS */
.howitworks {
  padding: 80px 32px;
}
.howitworks-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.how-title {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 56px;
}
.steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
}
.step-num {
  font-family: var(--mono);
  font-size: 48px;
  font-weight: 600;
  color: var(--border);
  margin-bottom: 20px;
  line-height: 1;
}
.step h3 {
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 10px;
}
.step p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* CLOSING */
.closing {
  padding: 100px 32px;
  text-align: center;
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 640px; margin: 0 auto; }
.closing-statement {
  font-family: var(--mono);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 500;
  color: var(--green);
  margin-bottom: 20px;
  line-height: 1.4;
}
.closing-sub {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* FOOTER */
.footer {
  padding: 24px 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.footer-note {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--mono);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 100px 20px 60px; }
  .features { padding: 60px 20px; }
  .howitworks { padding: 60px 20px; }
  .closing { padding: 80px 20px; }
  .spreadboard { padding: 0 20px 60px; }
  .footer { padding: 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card:nth-child(even) { border-left: none; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .spread-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .spread-row-head { display: none; }
  .spread-row { padding: 12px 16px; }
  .hero-meta { gap: 24px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .meta-value { font-size: 18px; }
  .closing-statement { font-size: 18px; }
}