:root {
  --bg-deep: #0a0e1a;
  --bg-card: #111827;
  --bg-elevated: #1a2236;
  --text-primary: #f0f2f5;
  --text-secondary: #8b95a8;
  --text-muted: #5a6478;
  --accent: #22d67a;
  --accent-glow: rgba(34, 214, 122, 0.15);
  --accent-dim: #19a85f;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: rgba(255,255,255,0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── NAV ─── */
.nav {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span {
  color: var(--accent);
}
.nav-tag {
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ─── HERO ─── */
.hero {
  padding: 100px 0 80px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -300px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero .container {
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 720px;
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* ─── SCORE DEMO CARD ─── */
.score-demo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 560px;
  position: relative;
  overflow: hidden;
}
.score-demo::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.score-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.score-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.score-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
}
.score-change {
  font-size: 0.9rem;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 10px;
  border-radius: 8px;
}
.task-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.task-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.task-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.task-icon.pay { background: rgba(34, 214, 122, 0.15); color: var(--accent); }
.task-icon.dispute { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.task-icon.wait { background: rgba(139, 149, 168, 0.1); color: var(--text-secondary); }
.task-content strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 2px;
}
.task-content span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── PROBLEM SECTION ─── */
.problem {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.problem-label {
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 16px;
}
.problem h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.problem p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}
.problem-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
}
.stat-card .num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.stat-card .label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ─── FEATURES ─── */
.features {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.features-header {
  text-align: center;
  margin-bottom: 64px;
}
.features-header h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.features-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}
.feature-card:hover {
  border-color: rgba(34, 214, 122, 0.3);
}
.feature-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}
.feature-card:nth-child(1) .icon { background: rgba(34, 214, 122, 0.12); }
.feature-card:nth-child(2) .icon { background: rgba(245, 158, 11, 0.12); }
.feature-card:nth-child(3) .icon { background: rgba(96, 165, 250, 0.12); }
.feature-card:nth-child(4) .icon { background: rgba(239, 68, 68, 0.12); }
.feature-card:nth-child(5) .icon { background: rgba(167, 139, 250, 0.12); }
.feature-card:nth-child(6) .icon { background: rgba(34, 214, 122, 0.12); }
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── HOW IT WORKS ─── */
.how {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.how-header {
  margin-bottom: 64px;
}
.how-header h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.how-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  position: relative;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--bg-elevated);
  line-height: 1;
  margin-bottom: 16px;
  -webkit-text-stroke: 1px var(--text-muted);
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── CLOSING ─── */
.closing {
  padding: 120px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
}
.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 640px;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}
.closing p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

/* ─── FOOTER ─── */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}
.footer-logo span {
  color: var(--accent-dim);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 64px 0 48px;
  }
  .problem, .features, .how {
    padding: 64px 0;
  }
  .closing {
    padding: 80px 0;
  }
  .footer .container {
    flex-direction: column;
    gap: 8px;
  }
  .score-demo {
    margin-top: 32px;
  }
}