* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: Arial, sans-serif;
    }
 
    body {
      line-height: 1.6;
      color: #333;
    }
 
    .nav {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 20px;
      background: #2e2e2e;
      color: #fff;
    }
 
    .nav-logo {
      font-size: 1.5rem;
      font-weight: bold;
      margin-bottom: 10px;
      color: #00bcd4;
    }
 
    .nav-links {
      list-style: none;
      display: flex;
      gap: 15px;
    }
 
    .nav-links a {
      color: #fff;
      text-decoration: none;
      transition: color 0.3s ease;
    }
 
    .nav-links a:hover {
      color: #00bcd4;
    }
 
    
    .hero {
      display: flex;
      flex-direction: column;
      padding: 40px 20px;
      align-items: center;
      text-align: center;
      background-color:rgb(33, 33, 46);
      color: white;
    }

    

    .hero img {
      max-width: 100%;
      margin-top: 20px;
      transition: transform 0.2s ease-in-out;
    }
    .hero img:hover{
      transform: rotate(2deg);
    }


    .gumb{
        background-color:#00bcd4;
        border-radius: 7px;
        padding: 10px;
       
    }
 
 
    
    .usluge {
      padding: 40px 20px;
      text-align: center;
    }
 
    .usluge h2 {
      margin-bottom: 30px;
    }
 
    .usluge-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
    }
 
    .kartica {
      background: #f4f4f4;
      padding: 15px;
      border-radius: 10px;
      transition: all 0.3s ease;
    }
 
    .kartica:hover {
      transform: translateY(-10px) scale(1.05);
      box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    }
 
    
    .kartica-3d:hover {
      transform: perspective(600px) rotateY(10deg) scale(1.05);
    }
 
    
    .footer {
      text-align: center;
      padding: 20px;
      background:  #2e2e2e;
      color: #fff;
      margin-top: 40px;
    }
 
    
    @media (min-width: 768px) {
 
      .nav {
        flex-direction: row;
        justify-content: space-between;
      }
 
      .hero {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
      }
 
      .hero-sadrzaj,
      .hero-slika {
        max-width: 50%;
      }
 
      .usluge-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }