:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --border: #1e1e2a;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #00e5bf;
  --accent-dim: rgba(0, 229, 191, 0.12);
  --accent-glow: rgba(0, 229, 191, 0.25);
  --profit: #00e5bf;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

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

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.4rem;
}

.logo-text {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.nav-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 100px;
}

/* ---- HERO ---- */
.hero {
  padding: 10rem 2rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  padding: 0.35rem 1rem;
  border: 1px solid var(--accent-dim);
  border-radius: 100px;
  background: var(--accent-dim);
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 520px;
}

/* ---- TX FLOW VISUAL ---- */
.tx-flow {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}

.tx-step {
  padding: 1rem 1.2rem;
  border-left: 2px solid var(--border);
  position: relative;
}

.tx-step-profit {
  border-left-color: var(--accent);
  background: var(--accent-dim);
  border-radius: 8px;
}

.tx-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-muted);
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
}

.tx-label {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.tx-step-profit .tx-label {
  color: var(--accent);
}

.tx-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
}

.tx-arrow {
  padding: 0.3rem 0 0.3rem 1.2rem;
  color: var(--fg-muted);
  font-size: 0.9rem;
  border-left: 2px solid var(--border);
}

/* ---- SECTIONS ---- */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.how-section {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.how-section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 680px;
  line-height: 1.7;
  margin-bottom: 3.5rem;
}

/* ---- STATS ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ---- FEATURES ---- */
.features-section {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.features-section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent-glow);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- CLOSING ---- */
.closing-section {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.closing-content {
  max-width: 740px;
}

.closing-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    padding: 7rem 1.5rem 4rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .section-inner {
    padding: 0 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr;
  }

  .nav {
    padding: 1rem 1.25rem;
  }

  .hero {
    padding: 6rem 1.25rem 3rem;
  }
}