* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Arial', sans-serif;
    }

    body {
      line-height: 1.6;
      color: #333;
    }

    nav {
      background-color: #001f3f;
      padding: 20px 50px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    nav .logo {
      font-size: 24px;
      font-weight: bold;
      color: white;
    }

    nav .logo span {
      color: orange;
    }

    nav ul {
      list-style: none;
      display: flex;
      gap: 20px;
    }

    nav ul li a {
      color: white;
      text-decoration: none;
      padding: 8px 12px;
    }

    nav ul li a:hover {
      background-color: orange;
      color: black;
      border-radius: 4px;
    }

    .hero {
      background: url('https://images.unsplash.com/photo-1587614203976-365c74645e83?auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
      color: white;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 0 20px;
    }

    .hero h1 {
      font-size: 48px;
      margin-bottom: 10px;
    }

    .hero p {
      font-size: 20px;
      max-width: 600px;
      margin: auto;
    }

    section {
      padding: 60px 50px;
    }

    .about,
    .features,
    .testimonials,
    .newsletter {
      max-width: 1000px;
      margin: auto;
    }

    .about h2,
    .features h2,
    .testimonials h2,
    .newsletter h2 {
      text-align: center;
      margin-bottom: 20px;
      color: #001f3f;
    }

    .features ul {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
      list-style: none;
      padding: 0;
    }

    .features li {
      background-color: #f5f5f5;
      padding: 20px;
      border-radius: 8px;
    }

    .testimonials .testimonial {
      background-color: #f0f0f0;
      padding: 20px;
      border-left: 5px solid orange;
      margin-bottom: 20px;
      border-radius: 4px;
    }

    .newsletter form {
      text-align: center;
    }

    .newsletter input[type="email"] {
      padding: 10px;
      width: 300px;
      border-radius: 4px;
      border: 1px solid #ccc;
    }

    .newsletter button {
      padding: 10px 20px;
      margin-left: 10px;
      background-color: orange;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-weight: bold;
    }

    footer {
      background-color: #001f3f;
      color: white;
      text-align: center;
      padding: 20px;
      margin-top: 50px;
    }