* { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: 'Segoe UI', sans-serif;
      background: #f7f8fa;
      color: #1c1c1c;
      line-height: 1.6;
      margin-bottom: 8vh;
      scroll-behavior: smooth;
    }
    header {
      background-color: #1e56aa;
      color: white;
      padding: 1rem;
      text-align: center;
      height: 7vh;
    }

    header img {
      max-width: 90vw;
      max-height: 4vh;
      position: absolute;
      top: 10px;
      left: 10px;
    }
    
    nav {
    background: white;
    border-top: 1px solid #ddd;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    padding: 0.6rem 0;
    z-index: 1000;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.05);
    }

    nav a {
      text-decoration: none;
      color: #1e56aa;
      font-weight: 600;
      font-size: 2.5vh;
      margin-bottom: 1.5vh;
      margin-top: 1vh;
    }
    
    .hero {
      padding: 2rem 1rem;
      background: #e1e5eb;
      text-align: center;
    }
    .hero h1 {
      font-size: 1.8rem;
      margin-bottom: 1rem;
    }
    .hero p {
      font-size: 1rem;
      margin-bottom: 1.5rem;
    }
    .cta-btn {
      padding: 0.8rem 1.2rem;
      background-color: #1e56aa;
      color: white;
      border: none;
      border-radius: 8px;
      font-size: 1rem;
      cursor: pointer;
    }
    .features {
      padding: 2rem 1rem;
    }
    .feature {
      background: white;
      margin-bottom: 1rem;
      padding: 1rem;
      border-radius: 12px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    }
    .feature h3 {
      color: #3B5B8B;
      margin-bottom: 0.5rem;
    }
    footer {
      background: #1e56aa;
      color: white;
      text-align: center;
      padding: 1rem;
      font-size: 0.8rem;
    }