/* Base Reset + Layout */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #fdfdfd;
    color: #1d1d1f;
    line-height: 1.6;
  }
  
  .container {
    max-width: 900px;
    margin: auto;
    padding: 3rem 1.5rem;
    text-align: center;
  }
  
  /* Header */
  header {
    background: linear-gradient(145deg, #111 0%, #222 100%);
    color: white;
    padding: 6rem 1.5rem 4rem;
  }
  
  header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
  }
  
  .tagline {
    font-size: 1.25rem;
    opacity: 0.85;
    margin-bottom: 2rem;
  }
  
  .cta-button {
    background-color: #007aff;
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-size: 1rem;
    text-decoration: none;
    transition: background-color 0.3s;
  }
  
  .cta-button:hover {
    background-color: #005ee1;
  }
  
  .cta-button.large {
    font-size: 1.2rem;
    padding: 1rem 2.5rem;
  }
  
  /* Sections */
  section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  section p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: auto;
    margin-bottom: 2rem;
  }
  
  .features ul {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
    text-align: left;
  }
  
  .features li {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    line-height: 1.4;
  }
  
  /* Footer */
  footer {
    background-color: #f2f2f2;
    color: #444;
    padding: 2rem 1.5rem;
    font-size: 0.9rem;
    text-align: center;
  }
  
  footer a {
    color: #007aff;
    text-decoration: none;
  }
  
  footer a:hover {
    text-decoration: underline;
  }