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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background: white;
  min-height: 100vh;
}

.container {
  width: 100%;
  margin: 0 auto;
  background: white;
  overflow: hidden;
}

header {
  padding: 40px 20px 20px 20px;
  text-align: center;
  color: #333;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.app-icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.logo h1 {
  font-size: 3rem;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.split-text {
  color: #008ae6;
}

.man-text {
  color: #ff6600;
}

main {
  padding: 20px 20px 40px 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.hero {
  text-align: center;
  margin-bottom: 50px;
}

.hero h2 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 15px;
  font-weight: 700;
}

.tagline {
  font-size: 1.3rem;
  color: #667eea;
  font-weight: 600;
  margin-bottom: 20px;
}

.description {
  font-size: 1.1rem;
  color: #666;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

.download-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin: 50px 0;
  flex-wrap: wrap;
}

.store-button {
  display: inline-block;
  transition: transform 0.2s ease, opacity 0.2s ease;
  text-decoration: none;
}

.store-button:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

.store-button:active {
  transform: scale(0.98);
}

.store-button img {
  height: 60px;
  width: auto;
  display: block;
}

.features {
  margin: 30px 0;
}

.features h3 {
  text-align: center;
  font-size: 2rem;
  color: #333;
  margin-bottom: 20px;
  font-weight: 700;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 350px));
  gap: 30px;
  margin-top: 30px;
  justify-content: center;
}

.feature {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 2px solid transparent;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
  border-color: #667eea;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 15px;
}

.feature h4 {
  font-size: 1.3rem;
  color: #333;
  margin-bottom: 10px;
  font-weight: 600;
}

.feature p {
  color: #666;
  font-size: 1rem;
  line-height: 1.6;
}

.footer-message {
  text-align: center;
  padding: 5px 20px;
  background: transparent;
  color: #333;
  margin: 5px 0 0 0;
  margin-bottom: 0;
}

.footer-message p {
  font-size: 1.2rem;
  font-weight: 500;
}

footer {
  text-align: center;
  padding: 5px 20px 20px 20px;
  color: #999;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .logo h1 {
    font-size: 2rem;
  }

  .hero h2 {
    font-size: 1.8rem;
  }

  .tagline {
    font-size: 1.1rem;
  }

  .description {
    font-size: 1rem;
  }

  .store-button img {
    height: 50px;
  }

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

  .features h3 {
    font-size: 1.6rem;
  }
}