:root {
  --bg: #0a0a0b;
  --bg-secondary: #111113;
  --bg-card: #161618;
  --fg: #e8e6e3;
  --fg-muted: #8a8880;
  --accent: #f97316;
  --accent-glow: rgba(249, 115, 22, 0.15);
  --accent-dim: #c2410c;
  --border: #2a2a2d;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

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

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -2px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, var(--fg) 0%, var(--fg-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

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

.stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-gradient {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* How Section */
.how {
  padding: 120px 24px;
  background: var(--bg-secondary);
}

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

.how h2,
.features h2,
.numbers h2,
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 600px;
  margin-bottom: 64px;
  line-height: 1.7;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.step {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.2s;
}

.step:hover {
  border-color: var(--accent-dim);
}

.step-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* Features */
.features {
  padding: 120px 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-dim);
}

.feature-icon {
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Numbers */
.numbers {
  padding: 120px 24px;
  background: var(--bg-secondary);
}

.comparison {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.compare-card {
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.compare-card.old {
  background: var(--bg);
  opacity: 0.7;
}

.compare-card.new {
  background: var(--bg-card);
  border-color: var(--accent-dim);
  box-shadow: 0 0 40px var(--accent-glow);
}

.compare-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 24px;
}

.compare-card.new h3 {
  color: var(--accent);
}

.compare-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compare-card li {
  font-size: 15px;
  color: var(--fg-muted);
  padding-left: 20px;
  position: relative;
}

.compare-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
}

.compare-card.new li::before {
  background: var(--accent);
}

/* Closing */
.closing {
  padding: 140px 24px;
  text-align: center;
}

.closing h2 {
  max-width: 700px;
  margin: 0 auto 24px;
}

.closing-text {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

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

.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;
}

.footer-links span {
  font-size: 14px;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 80px 20px 60px;
    min-height: auto;
  }

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

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

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

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

  .how,
  .features,
  .numbers {
    padding: 80px 20px;
  }

  .closing {
    padding: 100px 20px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}