:root {
  --bg: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #00ff88;
  --accent-glow: rgba(0, 255, 136, 0.15);
  --accent-secondary: #7b61ff;
  --border: rgba(255,255,255,0.06);
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Space Grotesk', sans-serif;
}

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

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

/* ======= HERO ======= */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.highlight {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.crypto-pills {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg);
  letter-spacing: 0.05em;
}

/* ======= STATS ======= */
.stats {
  padding: 60px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 24px 16px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
}

/* ======= FEATURES ======= */
.features {
  padding: 100px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.features-header p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(0,255,136,0.25);
}

.feature-card-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0,255,136,0.04) 100%);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ======= HOW ======= */
.how {
  padding: 100px 24px;
  max-width: 700px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 64px;
  letter-spacing: -0.02em;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 24px 0;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.15);
  padding: 10px 14px;
  border-radius: 10px;
  min-width: 48px;
  text-align: center;
  flex-shrink: 0;
}

.step-content h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.step-line {
  width: 2px;
  height: 32px;
  background: linear-gradient(to bottom, rgba(0,255,136,0.3), transparent);
  margin-left: 23px;
}

/* ======= CLOSING ======= */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, rgba(0,255,136,0.03) 50%, var(--bg) 100%);
}

.closing-content {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.closing-sub {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* ======= FOOTER ======= */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
}

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ======= RESPONSIVE ======= */
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card-large {
    grid-column: 1;
  }
  
  .hero {
    min-height: 80vh;
    padding: 60px 20px 40px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .step {
    gap: 16px;
  }
  
  .crypto-pills {
    gap: 6px;
  }
  
  .pill {
    padding: 6px 12px;
    font-size: 0.75rem;
  }
}

/* ======= CTA BUTTON ======= */
.hero-cta-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), #00cc66);
  color: #0a0a0f;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 16px 40px;
  border-radius: 12px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(0,255,136,0.3);
}
.hero-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,255,136,0.45);
}