:root {
  --bg: #0a0f1a;
  --bg-alt: #0f1628;
  --surface: #151d33;
  --surface-hover: #1a2440;
  --fg: #e8eaf0;
  --fg-muted: #8a93a8;
  --accent: #4fd1c5;
  --accent-glow: rgba(79, 209, 197, 0.15);
  --accent-soft: #2d8a82;
  --warm: #f6ad55;
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* HERO */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(79, 209, 197, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
  width: fit-content;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 640px;
  line-height: 1.75;
}

.hero-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin-top: 3rem;
}

/* STATS */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 2rem;
  background: var(--bg-alt);
}

.stats-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  padding: 1rem 2.5rem;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* FEATURES */
.features {
  padding: 6rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 1rem;
}

.features-header h2,
.ecosystem h2,
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s, background 0.2s;
}

.feature-card:hover {
  border-color: rgba(79, 209, 197, 0.15);
  background: var(--surface-hover);
}

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(79, 209, 197, 0.04) 100%);
  border-color: rgba(79, 209, 197, 0.1);
}

.feature-icon {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

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

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ECOSYSTEM */
.ecosystem {
  padding: 6rem 2rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.ecosystem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.eco-item {
  padding: 0.5rem 0;
}

.eco-marker {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.eco-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.eco-item p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* CLOSING */
.closing {
  padding: 7rem 2rem;
  text-align: center;
}

.closing-inner {
  max-width: 750px;
  margin: 0 auto;
}

.closing h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

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

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.01em;
}

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

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 4rem 1.5rem 3rem;
  }

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

  .feature-large {
    grid-column: 1;
  }

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

  .stats-grid {
    flex-direction: column;
    gap: 0.5rem;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .stat {
    padding: 0.75rem 1rem;
  }

  .closing {
    padding: 5rem 1.5rem;
  }

  .features,
  .ecosystem {
    padding: 4rem 1.5rem;
  }
}