:root {
  --bg: #0a0f0a;
  --bg-surface: #111a11;
  --bg-card: #162016;
  --fg: #e8efe8;
  --fg-muted: #8a9f8a;
  --accent: #4ade80;
  --accent-dim: #22c55e;
  --accent-glow: rgba(74, 222, 128, 0.12);
  --border: #1e2e1e;
  --border-accent: #2a4a2a;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', 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;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  padding: 100px 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-inner {
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.grid-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: border-color 0.2s;
}

.grid-card:hover {
  border-color: var(--accent-dim);
}

.card-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.card-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 4px;
}

.card-value {
  font-size: 0.78rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== STATS ===== */
.stats {
  padding: 80px 24px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  padding: 48px 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

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

.stats-caption {
  text-align: center;
  color: var(--fg-muted);
  font-size: 1rem;
  margin-top: 24px;
  font-style: italic;
}

/* ===== FEATURES ===== */
.features {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.25s;
}

.feature-block:hover {
  border-color: var(--accent-dim);
}

.feature-large {
  grid-column: span 2;
}

.feature-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.feature-block h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* ===== EDGE ===== */
.edge {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.edge-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.edge-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.edge-col {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.edge-col-after {
  border-color: var(--accent-dim);
  background: linear-gradient(135deg, var(--bg-card), rgba(74, 222, 128, 0.04));
}

.edge-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  margin-bottom: 20px;
}

.edge-col-after .edge-label {
  color: var(--accent);
}

.edge-col ul {
  list-style: none;
}

.edge-col li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--fg-muted);
}

.edge-col-after li {
  color: var(--fg);
}

.edge-col li:last-child {
  border-bottom: none;
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 24px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.closing-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.25;
}

.closing-inner p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg);
}

.footer-sub {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 6px;
}

.footer-powered {
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 16px;
  opacity: 0.5;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 72px 20px 48px;
  }

  .hero-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 40px;
  }

  .stats-inner {
    flex-direction: column;
    gap: 28px;
    padding: 36px 24px;
  }

  .stat-divider {
    width: 48px;
    height: 1px;
  }

  .stat {
    text-align: center;
  }

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

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

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

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

  .grid-card {
    padding: 18px 14px;
  }
}