:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #5ce1a0;
  --accent-dim: rgba(92, 225, 160, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --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: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 48px 60px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 32px;
  padding: 6px 14px;
  border: 1px solid rgba(92, 225, 160, 0.25);
  border-radius: 100px;
  display: inline-block;
  width: fit-content;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: #fff;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 36px;
}

.hero-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 8px 16px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
  letter-spacing: 0.02em;
}

/* ---- METRICS ---- */
.metrics {
  padding: 60px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

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

.metric:not(:last-child) {
  border-right: 1px solid var(--border);
}

.metric-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 10px;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.metric-sub {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ---- FEATURES ---- */
.features {
  padding: 100px 48px;
  max-width: 960px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 56px;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 600px;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.25s;
}

.feature-card:hover {
  border-color: rgba(92, 225, 160, 0.2);
}

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

.feature-icon {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

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

/* ---- MOAT ---- */
.moat {
  padding: 100px 48px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.moat-content {
  max-width: 900px;
  margin: 0 auto;
}

.moat h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 56px;
}

.moat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.moat-number {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.moat-item p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.moat-item p strong {
  color: #fff;
  font-weight: 500;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 48px;
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 24px;
}

.closing h2 .accent {
  color: var(--accent);
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}

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

.footer-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

.footer-meta {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    padding: 60px 24px 48px;
    min-height: 80vh;
  }

  .metrics {
    padding: 40px 24px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .metric:nth-child(2) {
    border-right: none;
  }

  .metric:nth-child(1),
  .metric:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }

  .features {
    padding: 64px 24px;
  }

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

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

  .moat {
    padding: 64px 24px;
  }

  .moat-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .closing {
    padding: 80px 24px;
  }

  .site-footer {
    padding: 32px 24px;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-tags {
    gap: 8px;
  }

  .tag {
    font-size: 0.72rem;
    padding: 6px 12px;
  }

  .metric-value {
    font-size: 1.8rem;
  }
}