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

:root {
  --bg: #121212;
  --surface: #1e1e1e;
  --card: #252525;
  --border: #333;
  --text: #f5f5f5;
  --text-secondary: #aaa;
  --primary: #6C63FF;
  --primary-hover: #5a52e0;
  --primary-glow: rgba(108, 99, 255, 0.15);
  --max-width: 720px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */
.header {
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.header-logo:hover {
  text-decoration: none;
}

.header-nav {
  display: flex;
  gap: 24px;
}

.header-nav a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.2s;
}

.header-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.header-nav .lang-switch {
  color: var(--text);
  font-weight: 600;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
}

.header-nav .lang-switch:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Hero */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -1px;
  line-height: 1.15;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.store-badges {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.store-badge {
  height: 48px;
  border-radius: 8px;
  opacity: 0.4;
  cursor: not-allowed;
  transition: opacity 0.2s;
}

.store-badge.active {
  opacity: 1;
  cursor: pointer;
}

.store-badge.active:hover {
  opacity: 0.9;
}

/* Features */
.features {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 60px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}

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

.feature-icon {
  font-size: 32px;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* Highlights */
.highlights {
  padding: 0 24px 60px;
}

.highlights-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.highlight {
  text-align: center;
}

.highlight-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}

.highlight-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

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

/* Benefits */
.benefits {
  padding: 60px 24px;
}

.benefits-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.benefits-inner h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.benefit {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.benefit:hover {
  border-color: var(--primary);
}

.benefit-icon {
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.benefit p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CTA */
.cta {
  padding: 60px 24px 80px;
}

.cta-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  padding: 48px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner > * {
  position: relative;
}

.cta-inner h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-inner p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 16px;
}

/* Legal pages */
.legal {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.legal h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.legal .subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 14px;
}

.legal h2 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal h3 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 8px;
}

.legal p,
.legal li {
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: 15px;
}

.legal ul {
  padding-left: 24px;
  margin-bottom: 12px;
}

.legal li {
  margin-bottom: 6px;
}

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

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.footer-copy {
  color: var(--text-secondary);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 16px;
  }

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

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

  .highlights-inner {
    flex-direction: column;
    gap: 24px;
    padding: 28px 24px;
  }

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

  .header-nav {
    gap: 16px;
  }
}

@media (max-width: 380px) {
  .hero h1 {
    font-size: 28px;
  }

  .header-nav {
    gap: 12px;
  }

  .header-nav a {
    font-size: 12px;
  }
}