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

/* BODY */
body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f6f8;
    color: #000000;
    line-height: 1.6;
    padding-bottom: 80px;
}

/* HEADER */
header {
    background-color: #1e3a5f;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin-bottom: 15px;
    font-size: 32px;
    letter-spacing: 2px;
}

/* NAVIGACIJA */
#nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

#nav a {
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border: 2px solid #fff;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: bold;
}

#nav a:hover {
    background-color: #fff;
    color: #1e3a5f;
}

/* NASLOVI */
h3 {
    text-align: center;
    margin: 30px 0 15px;
    font-size: 24px;
}

h4 {
    margin-bottom: 10px;
    color: #1e3a5f;
}

/* TEKST */
p {
    max-width: 900px;
    margin: 10px auto;
    padding: 0 20px;
    font-size: 16px;
}

.tekst p{
    text-align: justify;
}


/* FORMA */
form {
    background-color: #fff;
    max-width: 500px;
    margin: 30px auto;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

form label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

form select,
form input[type="number"] {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 14px;
}

form input[type="submit"] {
    width: 100%;
    margin-top: 20px;
    padding: 10px;
    background-color: #1e3a5f;
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

form input[type="submit"]:hover {
    background-color: #16304d;
}

/* REZULTAT */
.result {
    max-width: 500px;
    margin: 20px auto;
    background-color: #e9f1f7;
    padding: 20px;
    border-radius: 10px;
    border-left: 5px solid #1e3a5f;
}


.result p {
    margin: 5px 0;
}

/* FOOTER */
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #1e3a5f;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    font-size: 14px;
}

/* SLIKA ISPOD TEKSTA */
.image-container {
    display: flex;
    justify-content: center;
    margin: 30px 0;
    padding: 0 20px;
}

.image-container img {
    max-width: 100%;
    width: 500px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}


/* RESPONZIVNOST */
@media (max-width: 600px) {
    header h1 {
        font-size: 24px;
    }

    #nav {
        gap: 10px;
    }

    #nav a {
        padding: 6px 12px;
        font-size: 14px;
    }

    form {
        margin: 20px;
    }
}