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

    body {
      font-family: Arial, sans-serif;
      line-height: 1.6;
    }

    header {
      background: #003366;
      color: white;
      padding: 1rem;
      text-align: center;
    }
    
    .logo {
      font-size: 2rem;
      font-weight: bold;
    }

    nav {
      display: flex;
      justify-content: center;
      gap: 1rem;
      background: #0055a5;
      padding: 0.5rem;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    nav a {
      color: white;
      text-decoration: none;
    }

    .hero {
      background: url("elektriker.png") no-repeat center center/cover;
      color: white;
      padding: 5rem 2rem;
      text-align: center;
    }

    .hero h1 {
      font-size: 2.5rem;
    }

    .section {
      padding: 2rem;
      max-width: 900px;
      margin: auto;
    }

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

    .services li {
      background: #f0f0f0;
      padding: 1rem;
      border-radius: 5px;
    }

    footer {
      background: #003366;
      color: white;
      text-align: center;
      padding: 1rem;
      margin-top: 2rem;
    }

    @media (max-width: 600px) {
      .hero h1 {
        font-size: 1.5rem;
      }
    }