:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #5a5a72;
  --accent: #f0a830;
  --accent-glow: rgba(240, 168, 48, 0.15);
  --accent-soft: #d4922a;
  --green: #34d399;
  --green-glow: rgba(52, 211, 153, 0.12);
  --red: #f87171;
  --yellow: #fbbf24;
  --blue: #60a5fa;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.nav-logo {
  color: var(--accent);
  font-size: 22px;
}

/* HERO */
.hero {
  padding: 160px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(240,168,48,0.2);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.3px;
  margin-bottom: 32px;
  font-family: var(--font-display);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.highlight {
  color: var(--accent);
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
}
.stat-label {
  display: block;
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.5;
  margin-top: 6px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* PROBLEM */
.problem {
  padding: 100px 24px;
  background: var(--bg-elevated);
}
.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s;
}
.problem-card:hover {
  border-color: rgba(240,168,48,0.2);
}
.problem-icon {
  font-size: 28px;
  margin-bottom: 16px;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.problem-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* CASCADE */
.cascade {
  padding: 100px 24px;
}
.cascade-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.cascade-flow {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.cascade-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, background 0.2s;
}
.cascade-step:hover {
  border-color: rgba(240,168,48,0.25);
  background: var(--bg-card);
}
.step-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  min-width: 56px;
  opacity: 0.6;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.step-content p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
}
.cascade-connector {
  width: 2px;
  height: 24px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  margin-left: 58px;
  opacity: 0.3;
}
.cascade-detail {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.detail-card {
  padding: 28px;
  background: var(--accent-glow);
  border: 1px solid rgba(240,168,48,0.15);
  border-radius: var(--radius);
}
.detail-card h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}
.detail-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* DASHBOARD SECTION */
.dashboard-section {
  padding: 100px 24px;
  background: var(--bg-elevated);
}
.dashboard-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.dashboard-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}
.dash-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.dash-icon {
  color: var(--accent);
  font-size: 8px;
  margin-top: 8px;
  flex-shrink: 0;
}
.dash-feature strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}
.dash-feature p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin: 0;
}
.dashboard-visual {
  position: relative;
}
.mock-dashboard {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.mock-header {
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mock-dot.red { background: var(--red); opacity: 0.7; }
.mock-dot.yellow { background: var(--yellow); opacity: 0.7; }
.mock-dot.green { background: var(--green); opacity: 0.7; }
.mock-title {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--fg-dim);
  margin-left: 8px;
  font-weight: 500;
}
.mock-body {
  padding: 20px 16px;
}
.mock-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.02);
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.mock-cascade-badge {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 100px;
  flex-shrink: 0;
}
.mock-cascade-badge.active {
  background: rgba(240,168,48,0.15);
  color: var(--accent);
}
.mock-cascade-badge.filled {
  background: var(--green-glow);
  color: var(--green);
}
.mock-cascade-badge.pending {
  background: rgba(96,165,250,0.12);
  color: var(--blue);
}
.mock-text {
  font-size: 13px;
  color: var(--fg-muted);
  flex: 1;
  min-width: 120px;
}
.mock-timer {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
}
.mock-revenue {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--green);
  font-weight: 700;
}
.mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.mock-stat-item { text-align: center; }
.mock-stat-val {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}
.mock-stat-lbl {
  display: block;
  font-size: 10px;
  color: var(--fg-dim);
  margin-top: 2px;
}

/* PRICING */
.pricing {
  padding: 100px 24px;
}
.pricing-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}
.pricing .section-label, .pricing .section-title, .pricing .section-sub {
  text-align: center;
}
.pricing .section-sub {
  margin-left: auto;
  margin-right: auto;
}
.pricing-phases {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.phase-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  text-align: left;
  max-width: 380px;
  flex: 1;
  min-width: 280px;
}
.phase-card.pilot {
  border-color: rgba(240,168,48,0.25);
}
.phase-card.graduated {
  border-color: rgba(52,211,153,0.2);
}
.phase-badge {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 12px;
}
.graduated .phase-badge {
  color: var(--green);
}
.phase-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.phase-price {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}
.phase-price span {
  font-size: 15px;
  font-weight: 400;
  color: var(--fg-muted);
}
.phase-card > p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}
.phase-arrow {
  font-size: 28px;
  color: var(--fg-dim);
}
.pricing-tiers {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}
.tier {
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.tier.featured {
  border-color: rgba(52,211,153,0.3);
  background: rgba(52,211,153,0.04);
}
.tier strong {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}
.tier-price {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--green);
}
.tier-price span {
  font-size: 13px;
  font-weight: 400;
  color: var(--fg-muted);
}
.tier p {
  font-size: 13px;
  color: var(--fg-dim);
  margin-top: 4px;
  line-height: 1.5;
}

/* CLOSING */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%);
  pointer-events: none;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}
.closing-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}
.closing-tagline {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-dim);
  letter-spacing: 1px;
}

/* FOOTER */
.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-dim);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 120px 20px 72px; }
  .hero-stats { gap: 24px; }
  .stat-divider { display: none; }
  .stat-value { font-size: 32px; }
  .problem, .cascade, .dashboard-section, .pricing, .closing {
    padding: 72px 20px;
  }
  .dashboard-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cascade-step {
    flex-direction: column;
    gap: 12px;
  }
  .cascade-connector {
    margin-left: 24px;
  }
  .pricing-phases {
    flex-direction: column;
  }
  .phase-arrow {
    transform: rotate(90deg);
  }
  .phase-card {
    max-width: 100%;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .mock-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}