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

body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
}

/* NAVIGACIJA */
.navigacija {
    background: linear-gradient(to right, #aa0000, #d4af37);
    padding: 1rem 0;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navigacija ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.navigacija ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    padding: 10px 20px;
    display: block;
    transition: background 0.3s;
}

.navigacija ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

/* HEADER */
.glavni-header {
    text-align: center;
    padding: 2rem 1rem 1rem;
    animation: fadeInDown 1s ease-in-out;
}

h1 {
    font-size: 2rem;
    color: #aa0000;
}

.slogan {
    color: #d4af37;
    font-style: italic;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* KUTIJE */
.kutije {
    padding: 2rem 1rem;
    background-color: #ffffff;
    text-align: center;
}

.kutije-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.kutija-card {
    background: #ffffff;
    border: 2px solid #d4af37;
    border-radius: 16px;
    padding: 1.5rem;
    width: 260px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    margin: auto;
}

.kutija-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0,0,0,0.15);
}

.kutija-card h3 {
    color: #aa0000;
    margin-bottom: 10px;
}

.kutija-card p {
    font-size: 0.95rem;
}

/* FORMA */
form {
    max-width: 600px;
    margin: auto;
    padding: 1rem;
}

form input,
form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    font-size: 1rem;
}

form button {
    padding: 10px 20px;
    background: #aa0000;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

form button:hover {
    background: #d4af37;
    color: #aa0000;
}

/* IFRAME (MAPA) */
iframe {
    width: 100%;
    height: 450px;
    border: 0;
}

/* DUGME */
.dugme-kontakt {
    margin-top: 3rem;
}

.dugme-kontakt a {
    background: #aa0000;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    transition: background 0.3s ease;
}

.dugme-kontakt a:hover {
    background: #d4af37;
    color: #aa0000;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 1rem;
    background-color: #aa0000;
    color: white;
    font-size: 0.9rem;
    margin-top: 3rem;
}

/* ANIMACIJE */
@keyframes fadeInDown {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media screen and (max-width: 768px) {
    .glavni-header h1 {
        font-size: 1.6rem;
    }

    .slogan {
        font-size: 1rem;
    }

    .kutije-grid {
        flex-direction: column;
        gap: 1.5rem;
    }

    .kutija-card {
        width: 90%;
    }

    .navigacija ul {
        flex-direction: column;
    }

    iframe {
        height: 300px;
    }

    form input,
    form textarea,
    form button {
        font-size: 1rem;
    }
}