/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Montserrat', sans-serif;
    color: #333;
    background-color: #fff;
    line-height: 1.6;
  }

  a {
    color: #1e88e5; 
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease, text-decoration 0.3s ease;
  }
  
  a:hover,
  a:focus {
    color: #1565c0;
    text-decoration: underline;
  }
  
  /* Container */
  .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  /* Header */
  .site-header {
    background: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  .site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
  }
  .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
  }
  .logo img {
    width: 100px;
  }
  .nav ul {
    list-style: none;
    display: flex;
    align-items: center;
  }
  .nav ul li {
    margin-left: 20px;
  }
  .nav ul li a {
    text-decoration: none;
    color: #333;
    padding: 5px 10px;
  }
  .nav ul li a:hover {
    color: #007BFF;
  }
  
  /* Button Styles */
  .btn {
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 500;
  }
  .btn-primary {
    background: #007BFF;
    color: #fff;
  }
  .btn-primary:hover {
    background: #0056b3;
  }
  .btn-secondary {
    background: transparent;
    border: 1px solid #007BFF;
    color: #007BFF;
  }
  .btn-secondary:hover {
    background: #007BFF;
    color: #fff;
  }
  
  /* Mobile Menu Toggle */
  .mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
  }
  .mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 4px 0;
  }
  
  /* Hero Section */
  .hero {
    background: linear-gradient(135deg, #007BFF, #00C6FF);
    color: #fff;
    padding: 100px 0;
    text-align: center;
  }
  .hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
  }
  .hero p {
    font-size: 1.125rem;
    margin-bottom: 30px;
  }
  
  /* Features Section */
  .apps {
    padding: 60px 0;
    background: #f9f9f9;
    text-align: center;
  }
  .apps h2 {
    margin-bottom: 40px;
    font-size: 2rem;
  }
  .feature-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
  }
  .feature-cards .card {
    background: #fff;
    border: 1px solid #eee;
    padding: 20px;
    flex: 1 1 300px;
    max-width: 300px;
    border-radius: 8px;
    transition: transform 0.3s ease;
  }
  .feature-cards .card:hover {
    transform: translateY(-5px);
  }
  .feature-cards .card h3 {
    margin-bottom: 10px;
  }
  
  /* Pricing Section */
  .pricing {
    padding: 60px 0;
    text-align: center;
  }
  .pricing h2 {
    margin-bottom: 40px;
    font-size: 2rem;
  }
  .apps-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
  }
  .apps-container .app {
    background: #fff;
    border: 1px solid #eee;
    padding: 20px;
    flex: 1 1 280px;
    max-width: 280px;
    border-radius: 8px;
    transition: transform 0.3s ease;
  }
  .apps-container .app.featured {
    border: 2px solid #007BFF;
  }
  .apps-container .app:hover {
    transform: translateY(-5px);
  }
  .apps-container .app h3 {
    margin-bottom: 10px;
  }
  .apps-container .app .price {
    font-size: 1.5rem;
    margin: 20px 0;
  }
  .apps-container .app ul {
    list-style: none;
    margin-bottom: 20px;
  }
  .apps-container .app ul li {
    margin-bottom: 10px;
  }
  
  /* About Section */
  .about {
    padding: 60px 0;
    text-align: center;
  }
  .about h2 {
    margin-bottom: 20px;
    font-size: 2rem;
  }
  .about p {
    max-width: 800px;
    margin: 0 auto;
  }
  
  /* Contact Section */
  .contact {
    padding: 60px 0;
    background: #f9f9f9;
    text-align: center;
  }
  .contact h2 {
    margin-bottom: 20px;
    font-size: 2rem;
  }
  .contact form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
  }
  .contact form input,
  .contact form textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  .contact form button {
    padding: 10px;
    border: none;
    border-radius: 25px;
    background: #007BFF;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
  }
  .contact form button:hover {
    background: #0056b3;
  }
  
  /* Footer */
  .site-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    padding-top: 200px;
  }

  .footer-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
  }
  
  /* Responsive Styles */
  @media (max-width: 768px) {
    .site-header .container {
      flex-direction: column;
    }
    .nav ul {
      flex-direction: column;
      align-items: center;
      display: none;
    }
    .nav ul.open {
      display: flex;
    }
    .mobile-menu-toggle {
      display: flex;
    }
    .feature-cards,
    .apps-container {
      flex-direction: column;
      align-items: center;
    }
  }
  
  /* --- Dark Theme Overrides --- */
  @media (prefers-color-scheme: dark) {
    body {
      background-color: #121212;
      color: #e0e0e0;
    }
    .site-header {
      background: #1e1e1e;
      border-bottom: 1px solid #333;
    }
    .logo, .nav ul li a {
      color: #e0e0e0;
    }
    .nav ul li a:hover {
      color: #66b3ff;
    }
    .mobile-menu-toggle span {
      background: #e0e0e0;
    }
    .hero {
      background: linear-gradient(135deg, #0056b3, #0099cc);
      color: #fff;
    }
    .apps {
      background: #1e1e1e;
      color: #e0e0e0;
    }
    .feature-cards .card {
      background: #2a2a2a;
      border: 1px solid #333;
    }
    .pricing {
      background: #121212;
      color: #e0e0e0;
    }
    .apps-container .app {
      background: #2a2a2a;
      border: 1px solid #333;
    }
    .apps-container .app.featured {
      border: 2px solid #66b3ff;
    }
    .about {
      background: #1e1e1e;
      color: #e0e0e0;
    }
    .contact {
      background: #121212;
      color: #e0e0e0;
    }
    .contact form input,
    .contact form textarea {
      background: #333;
      border: 1px solid #444;
      color: #e0e0e0;
    }
    .contact form button {
      background: #007BFF;
      color: #fff;
    }
    .site-footer {
      background: #1e1e1e;
      color: #e0e0e0;
    }
    .btn-secondary {
      border: 1px solid #66b3ff;
      color: #66b3ff;
    }
    .btn-secondary:hover {
      background: #66b3ff;
      color: #fff;
    }
  }