* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    scroll-behavior: smooth;
}

nav {
    height: 80px;
    background: #003135;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0rem calc((100vw - 1300px) / 2);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    font-weight: bold;
    font-style: italic;
    padding: 0 2rem;
}

.nav-items {
    display: flex;
    align-items: center;
  }

/* Košík */
.cart-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin: 0 1rem;
  }
  
  .cart-link {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .cart-link i {
    font-size: 1.4rem;
  }
  
  .cart-count {
    position: absolute;
    top: -4px;
    right: 3px;
    background-color: red;
    color: #fff;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 60%;
    font-weight: bold;
    min-width: 20px;
    text-align: center;
    line-height: 1;
  }

.nav-items a {
    margin: 0 1rem;
    color: #fff;
    text-decoration: none;
}

.nav-items a:hover {
    color: #9b9b9b;
}

.toggle_btn {
    display: none;
    padding: 0 2rem;
}

.dropdown_menu {
    display: none;
    position: absolute;
    top: 80px;
    width: 100%;
    backdrop-filter: blur(10px);
    background: rgba(34, 34, 34, 0.0);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    transition: opacity 1s ease, visibility 1s ease, transform 0.3s linear;
    border-radius: 10px;
    overflow: hidden;
    transition: height .2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 10;
  }

  .dropdown_menu li {
    padding: 10px 20px;
    color: white;
    font-size: 1.5rem;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    list-style-type: none;
  }

  .dropdown_menu.open {
    height: 240px;
  }

.main {
    background: #024950;
    padding: 40px;
    height: auto;
    min-height: 85vh;
}

.header {
    text-align: center;
    color: #fff;
}

.header h1 {
    font-size: 3rem;
}

section {
    display: flex;
    flex-direction: column;
    gap: 30px;
    height: auto;
}

.container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    padding: 20px;
    justify-items: center;
    background: #024950;
}

.box {
    background: #003135;
    color: white;
    text-align: center;
    box-shadow: -1px 0 5px 5px rgba(0, 0, 0, 0.099);
    border-radius: 20px;
    padding: 20px;
    max-width: 350px;
    width: 100%;
}

.box:hover {
    transform: scale(1.02);
    transition: transform 0.5s ease-in-out;
}

.box .img img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    margin-bottom: 10px;
}

.text h1 {
    font-size: 1.5rem;
    margin: 10px 0;
}

.text h2 {
    font-size: 1rem;
    line-height: 18px;
    margin: 10px 0;
}

.text h3 {
    font-size: 1rem;
}

.ons {
    color: white;
    text-align: center;
    font-size: 2rem;
    padding: 10px;   
}

.on {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    padding: 20px;
    justify-items: center;
    background: #024950;
}

.on h1 {
    color: white;
    text-align: center;
    font-size: 3rem;
    padding: 10px; 
}

.vznik {
    background-color: #003135;
    border-radius: 20px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: -1px 0 5px 5px rgba(0, 0, 0, 0.099);
}

.vznik:hover{
    transform: scale(1.02);
    transition: transform 0.5s ease-in-out;
}

.vznik h2 {
    color: white;
    text-align: center;
    font-size: 2rem;
    padding: 10px;
}

.vznik h3 {
    color: white;
    text-align: center;
    font-size: 1.5rem;
    padding: 10px;
}

.vznik p {
    color: white;
    text-align: center;
    font-size: 1.2rem;
    padding: 10px;
}

.warning p{
    color: red;
}

.myslenka {
    background-color: #003135;
    border-radius: 20px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: -1px 0 5px 5px rgba(0, 0, 0, 0.099);
}

.myslenka:hover{
    transform: scale(1.02);
    transition: transform 0.5s ease-in-out;
}

.myslenka h2 {
    color: white;
    text-align: center;
    font-size: 2rem;
    padding: 10px;
}

.myslenka h3 {
    color: white;
    text-align: center;
    font-size: 1.5rem;
    padding: 10px;
}

.myslenka p {
    color: white;
    text-align: center;
    font-size: 1.2rem;
    padding: 10px;
}

footer {
    background: #003135;
    padding: 20px 0;
    color: #fff;
    text-align: center;
    height: auto;
}

br {
    display: block;
    margin-bottom: 1px;
    font-size: 1px;
    line-height: 1px;
}

footer p {
    margin-bottom: 10px;
}

footer a {
    color: #fff;
    text-decoration: none;
}

footer a:hover {
    color: #9b9b9b;
}

.credit a {
    color: purple;
}

@media only screen and (max-width: 768px) {

    .nav-items {
        display: none;
    }

    .toggle_btn {
        display: flex;
        color: #fff;
        font-size: 2rem;
        cursor: pointer;
        z-index: 100;
      }
    
      .dropdown_menu li {
        padding: 10px 20px;
        color: white;
        font-size: 1.5rem;
        text-align: center;
        cursor: pointer;
      }
    
      .dropdown_menu li a {
        color: white;
        text-decoration: none;
      }
    
      .dropdown_menu a:hover {
        color: #333;
      }

      .dropdown_menu.open {
        display: block;
      }
    
    .main {
        height: auto;
    }

    .container {
        grid-template-columns: 1fr; 
    }

    .header h1 {
        font-size: 2rem; 
    }

    .box {
        width: 90%; 
    }

    .footer {
        height: auto;
    }

    .on {
        grid-template-columns: 1fr; 
        width: 90%;
    }

    .vznik h2 {
        margin-left: 10px;
    }

    .vznik p {
        margin-left: 0;
        padding-bottom: 10px;
        font-size: 1.25rem;
    }

    .myslenka h2 {
        margin-left: 10px;
    }

    .myslenka p {
        margin-left: 0;
        padding-bottom: 10px;
        font-size: 1.25rem;
    }

}