/* Minimalistický dizajn */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.5s ease;
}

.card {
    border-radius: 12px !important;
    border: none;
    transition: all 0.3s ease;
}

/* Bod 9: Dynamický efekt pri prejdení myšou */
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1) !important;
}

.navbar {
    background: linear-gradient(90deg, #0052cc 0%, #002e73 100%) !important;
}

footer {
    background-color: #ffffff;
    color: #666;
}

/* Efekt pre logá */
footer img {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: 0.4s;
}

footer img:hover {
    filter: grayscale(0%);
    opacity: 1;
}