body {
    background-color: #f4f6f8;
    font-family: "Montserrat", sans-serif;
    margin: 0;
    padding: 0;
    color: #2c2c2c;
}

nav {
    width: 100%;
    background-color: #243447;
    padding: 15px 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline-block;
    margin: 5px 10px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    padding: 12px 22px;
    background-color: #3b5998;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

nav ul li a:hover {
    background-color: #5d7dc4;
    transform: translateY(-2px);
}

.main-container {
    display: flex;
    justify-content: center;
    margin: 50px auto;
    width: 90%;
    max-width: 1200px;
}

.left-side {
    width: 20px;
    background-color: #cfd9df;
    border-radius: 10px;
    margin-right: 15px;
}

.right-side {
    width: 10px;
    background-color: #9bb1c9;
    border-radius: 10px;
    margin-left: 25px;
}

.content {
    background-color: #ffffff;
    padding: 35px 40px;
    border-radius: 18px;
    max-width: 650px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

h1 {
    color: #34495e;
    font-size: 2.6em;
    margin-bottom: 10px;
}

h2 {
    color: #5d6d7e;
    margin-top: 40px;
}

h3 {
    color: #3b5998;
}

.uvodni-tekst {
    background-color: #eef3f7;
    padding: 25px;
    border-radius: 14px;
    margin: 30px 0 50px 40px;
}

.image-container {
    margin: 50px 0;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.box {
    background-color: #3b5998;
    color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    margin: 60px 20px 40px 0;
}

.box-with-margins {
    background-color: #dfe6ed;
    padding: 40px;
    margin: 70px 0 70px 60px;
    border-left: 6px solid #3b5998;
    border-radius: 10px;
}

#jano {
    margin-top: 60px;
    padding: 20px;
    background-color: #eef3f7;
    border-radius: 12px;
    text-align: right;
    font-weight: bold;
    color: #3b5998;
}

@media (max-width: 768px) {

    nav ul li {
        display: block;
        margin: 10px 0;
    }

    .main-container {
        flex-direction: column;
        margin: 20px auto;
    }

    .left-side,
    .right-side {
        display: none;
    }

    .content {
        padding: 25px;
    }

    .uvodni-tekst,
    .box,
    .box-with-margins {
        margin: 30px 0;
    }

    .image-container img {
        width: 100%;
    }

    #jano {
        text-align: center;
    }
}
@media (max-width: 768px) {

    table {
        width: 100%;
        font-size: 0.9em;
    }

    th, td {
        padding: 8px;
        word-break: break-word;
    }

    iframe {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 20px auto;
    }
}