:root {
  --bg: #0a0f0d;
  --bg-secondary: #0f1613;
  --fg: #e8ede9;
  --fg-muted: #8a9b8f;
  --accent: #34d399;
  --accent-dim: rgba(52, 211, 153, 0.12);
  --accent-glow: rgba(52, 211, 153, 0.25);
  --negative: #f87171;
  --card-bg: #111a16;
  --card-border: rgba(52, 211, 153, 0.08);
  --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);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
}

/* Hero */
.hero {
  position: relative;
  padding: 120px 24px 100px;
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 72px);
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

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

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.08);
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

/* Contrast Section */
.contrast {
  padding: 80px 24px;
  background: var(--bg-secondary);
}

.contrast-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contrast-col h3 {
  font-size: 20px;
  margin-bottom: 24px;
  font-weight: 500;
}

.contrast-col.old h3 { color: var(--fg-muted); }
.contrast-col.new h3 { color: var(--accent); }

.contrast-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contrast-col li {
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg-muted);
}

.x {
  color: var(--negative);
  font-weight: 700;
  margin-right: 10px;
  font-size: 16px;
}

.check {
  color: var(--accent);
  font-weight: 700;
  margin-right: 10px;
  font-size: 16px;
}

/* Features */
.features {
  padding: 100px 24px;
}

.features-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.features h2 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  max-width: 650px;
}

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

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 36px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(52, 211, 153, 0.25);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.feature-card h4 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 600;
}

.feature-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* How It Works */
.how {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.how-inner {
  max-width: 900px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
  margin-bottom: 64px;
  max-width: 600px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.step h4 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 600;
}

.step p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Closing */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
}

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

.closing h2 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  line-height: 1.2;
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Footer */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
}

.footer-right {
  font-size: 13px;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; }
  .hero-stats { gap: 24px; }
  .stat-divider { display: none; }
  .contrast-inner { grid-template-columns: 1fr; gap: 40px; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .features, .how, .closing { padding: 60px 20px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 36px; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .features h2, .how h2, .closing h2 { font-size: 26px; }
  .feature-card { padding: 24px; }
}