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

:root {
  --primary: #667eea;
  --secondary: #764ba2;
  --text: #2d3748;
  --text-light: #718096;
  --bg: #ffffff;
  --bg-light: #f7fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 80px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero .tagline {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 8px;
  opacity: 0.95;
}

.hero .subtitle {
  font-size: 18px;
  opacity: 0.85;
  font-weight: 400;
}

/* Apps Grid */
.apps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  padding: 60px 0;
}

.app-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--border);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.app-icon {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.app-card h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.app-description {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.5;
}

.app-features {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tag {
  background: var(--bg-light);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border);
}

.app-buttons {
  display: flex;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  text-align: center;
  font-size: 15px;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
  flex: 1;
}

.btn-primary:hover {
  background: var(--secondary);
  transform: translateY(-1px);
}

.btn-secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-light);
}

.btn-large {
  padding: 16px 40px;
  font-size: 18px;
}

/* Features Section */
.features {
  background: var(--bg-light);
  padding: 60px 0;
  border-radius: var(--radius);
  margin: 40px 0;
}

.features h2 {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--text);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  padding: 0 24px;
}

.feature {
  text-align: center;
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.feature h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.feature p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.5;
}

/* CTA Section */
.cta {
  text-align: center;
  padding: 80px 0;
}

.cta h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.cta p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer */
footer {
  background: var(--text);
  color: white;
  padding: 40px 0;
  text-align: center;
}

footer p {
  margin-bottom: 12px;
  opacity: 0.9;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  align-items: center;
}

.footer-links a {
  color: white;
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-links span {
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 40px;
  }

  .hero .tagline {
    font-size: 20px;
  }

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

  .apps {
    grid-template-columns: 1fr;
    padding: 40px 0;
  }

  .features h2,
  .cta h2 {
    font-size: 28px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .app-buttons {
    flex-direction: column;
  }
}