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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    height: 100vh;
    background-color: #85c2ff;
    background-image: url(naslovna.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
 

    
    
  
}

header {
    width: 100%;
    background-color: #d2e9ff;
    color: #005bb5;
    padding: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

header h1 {
    font-size: 30px;
    font-weight: bold;
    margin: 0px 100px;
    
}




.logo {
    position: absolute;
    top: 0px;
    left: 15px;
    height: 80px;
    animation: pomeranjeLogo 5s infinite;
}

@keyframes pomeranjeLogo {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(20px);
    }
    100% {
        transform: translateX(0);
    }
}

.meni {
    width: 100%;
    display: flex;
    justify-content: center;
    background-color: #005bb5;
    padding: 15px;
    flex-wrap: wrap;
}

nav a {
    color: white;
    font-size: 20px;
    text-decoration: none;
    margin: 5px 10px;
    padding: 5px 15px;
    box-sizing: border-box;
    transition: 0.3s ease;
}

nav a:hover {
    text-decoration: none;
    background-color: rgb(0, 22, 102);
    color: white;
    border-radius: 10px;
    transform: scale(1.2);
    transition: all 0.3s ease;
}

.glavnideo {
    padding: 20px;
    margin: 20px; 
    
}

.glavnideo h1 {
    color: white;
    font-size: 34px;
    text-align: center;
    animation: promenaBoje 7s infinite, pomeranjeNaslov 5s infinite;
    
}

@keyframes promenaBoje {
    0% {
        color:  rgb(54, 73, 180);
    }
    50% {
        color: rgb(19, 27, 74);
    }
    100% {
        color: rgb(54, 73, 180);
    }
}


@keyframes pomeranjeNaslov {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
    100% {
        transform: translateY(0);
    }
    
}

.glavnideo p {
    font-size: 18px;
    color: white;
    border: 2px solid rgba(0, 91, 181, 0.5);
    border-radius: 10px;
    padding: 10px;
    background-color: rgba(0, 91, 181, 0.5);
    margin:20px 40px;
    text-align: center;
}
 .glavnideo p:hover {
    background-color: rgba(0, 91, 181, 1); 
    border-color: rgba(0, 91, 181, 1); 
    transform: scale(1.05); 
    transition: all 0.2s ease;
}

footer {
    background-color:rgba(0, 91, 181, 1);
    color: white;
    text-align: center;
    padding: 15px 10px;
    width: 100%;
}


.kontejner {
    display: flex;
    flex-wrap: wrap;
    
    justify-content: space-between; 
    padding: 20px;
}

.kontejner img {
    width: 30%; 
    height: auto; 
    margin-bottom: 20px; 
    border-radius: 8px; 
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); 
    transition: transform 0.3s ease; 
}


.kontejner img:hover {
    transform: scale(1.05);
}


@media (max-width: 768px) {
    .kontejner img {
        width: 80%; 
    }
}


@media (max-width: 480px) {
    .kontejner img {
        width: 100%; 
    }
}

.kontaktsklasa {
    width: 100%;
    max-width: 550px;
    margin: 20px auto;
    padding: 20px;
    background-color: #f9f9f9;
    border: 1px solid#f9f9f9;
    border-radius: 15px;
    box-shadow: 0 10px 20px #333;
}

.kontaktsklasa h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

.kontaktsklasa form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.kontaktsklasa label {
    font-weight: bold;
    color: #555;
}

.kontaktsklasa input[type="text"],
.kontaktsklasa input[type="email"],
.kontaktsklasa input[type="tel"],
.kontaktsklasa textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 10px;
    font-size: 16px;
    color: #333;
}

.kontaktsklasa input[type="radio"] {
    margin-right: 5px;
}

.kontaktsklasa textarea {
    resize: none;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif
}

.kontaktsklasa button {
    padding: 10px 15px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    
}

.kontaktsklasa button:hover {
    background-color: #003975;
    transition: background-color 0.5s;
}

.kontaktsklasa p {
    font-weight: bold;
    color: #555;
    margin-bottom: 5px;
}





.social-buttons {
    margin-top: 30px;
    text-align: center;
}

.social-buttons h2 {
    font-size: 1.5em;
    margin-bottom: 15px;
}

.social-buttons button {
    background-color: #4267B2;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1em;
    border-radius: 5px;
    transition: 0.3s;
}

.social-buttons button:hover {
    opacity: 0.8;
}