:root {
  --bg: #0a0e17;
  --bg-surface: #111827;
  --bg-card: #1a2235;
  --fg: #e8ecf4;
  --fg-muted: #8b95a8;
  --accent: #4f8cff;
  --accent-glow: rgba(79, 140, 255, 0.15);
  --accent-warm: #f0a050;
  --border: rgba(255,255,255,0.06);
  --radius: 16px;
  --radius-sm: 10px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  background:
    radial-gradient(ellipse 600px 400px at 50% 20%, var(--accent-glow), transparent),
    radial-gradient(ellipse 400px 300px at 80% 60%, rgba(240, 160, 80, 0.06), transparent);
}

.hero-badge {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(79, 140, 255, 0.25);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
  background: rgba(79, 140, 255, 0.05);
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: #fff;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 24px 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-family: 'Space Grotesk', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--fg-muted);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* === FEATURES === */
.features {
  padding: 100px 24px;
  max-width: 1080px;
  margin: 0 auto;
}

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

.section-tag {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.features-header h2,
.how h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: #fff;
}

.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: 40px 32px;
  transition: border-color 0.3s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(79, 140, 255, 0.2);
  transform: translateY(-2px);
}

.feature-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card), rgba(79, 140, 255, 0.04));
}

.feature-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 20px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #fff;
}

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

/* === HOW === */
.how {
  padding: 100px 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.how-content {
  display: flex;
  flex-direction: column;
}

.how-blocks {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-block {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.how-block:first-child {
  border-top: 1px solid var(--border);
}

.how-number {
  font-family: 'Space Grotesk', monospace;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 40px;
  padding-top: 2px;
}

.how-text h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

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

/* === CLOSING === */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  background:
    radial-gradient(ellipse 500px 300px at 50% 50%, rgba(79, 140, 255, 0.08), transparent);
}

.closing-content {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.2;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

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

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.footer-brand {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 1px;
}

.footer-sep {
  color: var(--border);
  font-size: 1.2rem;
}

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

/* === MOBILE === */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 100px 20px 60px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    padding: 24px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

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

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

  .how-block {
    flex-direction: column;
    gap: 12px;
  }

  .features,
  .how {
    padding: 60px 20px;
  }

  .closing {
    padding: 80px 20px;
  }
}