:root {
    --primary-color: #2B3990;    
    --secondary-color: #1B75BC;  
    --accent-color: #27AAE1;     
    --text-color: #333333;
    --light-bg: #F8F9FA;
    --white: #FFFFFF;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  background: var(--light-bg);
  color: var(--text-color);
}

.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 20px;
}

.header {
  background: var(--white);
  box-shadow: 0 2px 15px rgba(0,0,0,0.1);
  padding: 1rem;
  border-radius: 15px;
  margin-bottom: 2rem;
}

.logo {
  height: 60px;
  width: auto;
  display: block;
  margin: 1rem auto;
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

.nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 1.5rem 0;
}

.nav-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--primary-color);
  color: var(--white);
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: 600;
  border-bottom: 2px solid var(--primary-color);
}

.content {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

h1 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
  text-align: center;
}

.subtitle {
    color: var(--secondary-color);
  text-align: center;
  margin-bottom: 3rem;
  font-weight: 500;
  font-size: 1.5rem;
}

h2 {
    color: var(--secondary-color);
  margin: 2rem 0 1rem;
  font-size: 1.8rem;
}

h3 {
  color: var(--secondary-color);
  margin: 1.5rem 0 0.5rem;
  font-size: 1.3rem;
  }
  
p {
  margin-bottom: 1rem;
  line-height: 1.8;
  }
  
  .feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
  }
    
.feature-card {
  background: var(--white);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: var(--transition);
  border: 1px solid rgba(43, 57, 144, 0.1);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(43, 57, 144, 0.15);
}

.feature-mini-logo {
  width: 40px;
  height: 40px;
  opacity: 0.9;
  transition: var(--transition);
}

.feature-card:hover .feature-mini-logo {
  transform: rotate(10deg) scale(1.1);
}

.download-btn {
  display: inline-block;
  background: var(--primary-color);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 25px;
  text-decoration: none;
  margin: 1rem 0;
  transition: var(--transition);
}

.download-btn:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

.download-btn.disabled {
  background: var(--light-bg);
  color: var(--text-color);
  cursor: not-allowed;
  opacity: 0.7;
  border: 2px solid rgba(43, 57, 144, 0.2);
}

.download-btn.disabled:hover {
  transform: none;
  background: var(--light-bg);
}

.coming-soon {
  margin-top: 1rem;
  color: var(--secondary-color);
  font-size: 0.9rem;
  font-style: italic;
}

.language-switch {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--white);
  padding: 0.5rem;
  border-radius: 25px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.privacy-section {
  margin: 2rem 0;
  padding: 1rem;
}

.privacy-card {
  background: var(--light-bg);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: var(--transition);
}

.privacy-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.privacy-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.privacy-card p {
  color: var(--text-color);
  line-height: 1.8;
  margin: 0;
}

.privacy-card a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.privacy-card a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.divider {
  border: none;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--primary-color), transparent);
  margin: 3rem 0;
  opacity: 0.2;
}

.english {
  opacity: 0.9;
}

.english h2 {
  color: var(--secondary-color);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .container {
    margin: 1rem auto;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .nav {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .privacy-card {
    padding: 1rem;
    margin: 1rem 0;
  }
    
  .privacy-section {
    padding: 0;
  }
  
  .logo {
    height: 45px;
  }
    
  .subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
  }
}