:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a25;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --highlight: #10b981;
  --highlight-glow: rgba(16, 185, 129, 0.15);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1100px;
}

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 700;
}

/* HERO */
.hero {
  padding: 100px 24px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 24px;
  color: #fff;
}

.hero h1 .accent {
  color: var(--accent);
}

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 56px;
}

.hero-visual {
  margin-top: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
}

.stat-card.highlight {
  background: var(--highlight-glow);
  border-color: rgba(16, 185, 129, 0.25);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.stat-card.highlight .stat-number {
  color: var(--highlight);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* PROBLEM */
.problem {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-item {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
}

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

.problem-item h3 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 12px;
}

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

/* FEATURES */
.features {
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 16px;
}

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

.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 40px;
  padding-top: 4px;
}

.feature-content h3 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 8px;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 600px;
}

/* HOW / TRADES */
.how {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.how h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 16px;
}

.how-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 48px;
}

.trades-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.trade-tag {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 10px 24px;
  border-radius: 100px;
}

/* CLOSING */
.closing {
  padding: 120px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: #fff;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* FOOTER */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* MOBILE */
@media (max-width: 768px) {
  .hero {
    padding: 72px 20px 56px;
  }

  .stat-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 24px 20px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .problem-item {
    padding: 24px;
  }

  .feature-row {
    flex-direction: column;
    gap: 12px;
    padding: 28px 0;
  }

  .feature-num {
    min-width: auto;
  }

  .trades-grid {
    gap: 8px;
  }

  .trade-tag {
    padding: 8px 18px;
    font-size: 0.85rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .problem, .how {
    padding: 72px 20px;
  }

  .features, .closing {
    padding: 72px 20px;
  }
}

/* CTA BUTTONS (landing page) */
.cta-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
}
.cta-btn:active { transform: scale(0.98); }

.cta-primary {
  background: var(--accent);
  color: #fff;
}
.cta-primary:hover { opacity: 0.9; }

.cta-ghost {
  background: var(--bg-card);
  color: var(--fg);
  border: 1px solid var(--border);
}
.cta-ghost:hover { border-color: rgba(255,255,255,0.15); }