/* Základní styly */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #2c3e50;
    color: #fff;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/*
header {
    background: linear-gradient(90deg, #007bff, #0056b3);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}
*/

header .logo {
    display: flex;
    align-items: center;
}

header .logo img {
    height: 50px;
    margin-right: 15px;
}

header .logo h1 {
    font-size: 1.8em;
    margin: 0;
}

nav .hamburger {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5em;
    cursor: pointer;
}

nav .nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav .nav-links li {
    margin-left: 20px;
}

nav .nav-links li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav .nav-links li a:hover {
    color: #ff5722;
}

.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('hero-bg.jpg') no-repeat center center/cover;
    color: #fff;
    padding: 100px 20px;
    text-align: center;
}

.hero-text h2 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.hero-text p {
    font-size: 1.2em;
    margin-bottom: 20px;
}

.cta-button {
    background-color: #ff5722;
    color: #fff;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2em;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #e64a19;
}

/* Sekce srovnání */
.comparison {
    padding: 40px 20px;
    text-align: center;
    background-color: #fff;
    margin: 20px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.comparison h2 {
    font-size: 2em;
    margin-bottom: 30px;
    color: #2c3e50;
}

.comparison-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.comparison-box {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    width: 250px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.comparison-box.pro {
    background-color: #2c3e50;
    color: #fff;
}

.comparison-box h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
}

.comparison-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comparison-box ul li {
    margin: 10px 0;
    font-size: 0.9em;
}

.comparison-box .cta-button {
    margin-top: 20px;
}

.lekce {
    padding: 0px 20px;
    text-align: center;
}

.lekce h2, h1 {
    font-size: 2em;
    margin-bottom: 0px;
    color: #2c3e50;
}

.lekce-subtitle {
    padding-left: 10%;
    padding-right: 10%;
}

.lekce-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.lekce-box {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    width: 250px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lekce-box a:hover, a:visited, a:link, a:active{
    text-decoration: none;
}

.lekce-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.lekce-box img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
}

.lekce-box h3 {
    font-size: 1.2em;
    margin: 10px 0;
    color: #2c3e50;
    text-decoration: underline;
}

.lekce-box p {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 15px;
}

.badge-free, .badge-pro {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8em;
    font-weight: bold;
    text-transform: uppercase;
}

.badge-free {
    background-color: #4caf50;
    color: #fff;
}

.badge-pro {
    background-color: #ff5722;
    color: #fff;
}

footer{
    margin-top: auto;
    background-color: rgb(11, 27, 61);
    width: 100%;
    text-align: center;
    padding-bottom: 15px;
      padding-top: 15px;
  }
  
  footer a {
    color: #ffffff;
    font-size: 13pt;
  }

/* Responzivita */
@media (max-width: 768px) {
    nav .hamburger {
        display: block;
    }

    nav .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: #2c3e50;
        position: absolute;
        top: 70px;
        left: 0;
    }

    nav .nav-links.active {
        display: flex;
    }

    nav .nav-links li {
        margin: 10px 0;
        text-align: center;
    }

    .lekce-box {
        width: 100%;
    }

    .lekce-subtitle {
    padding-left: 0%;
    padding-right: 0%;
    }

    .comparison-box {
        width: 100%;
    }
}