/* Osnovni reset da bi stranica izgledala isto u svim browserima */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;

    /* Sticky Footer logika */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Centralni dio stranice */
main {
    flex: 1;
    /* Gura footer na dno */
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    color: #333;
}

/* Osnovni stil za sve sekcije (tabove) */
.tab-content {
    display: none;
    padding: 40px 0;
    animation: fadeIn 0.5s ease;
    text-align: center;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    /* Da sekcija zauzima bar 60% visine */
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- NAVIGACIJA --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 5%;
    background-color: #b1adad;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    display: block;
    height: 40px;
    text-decoration: none;
}

.logo img {
    height: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 10px;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    padding: 10px 20px;
    border-radius: 8px 8px 0 0;
    font-weight: 600;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.active-link {
    color: #007bff !important;
    border-bottom: 3px solid #007bff !important;
}

.logo.active-link {
    border-bottom: none !important;
}

.nav-links a:hover {
    background-color: #e9ecef;
    color: #007bff;
}

/* --- MOBILNI PRIKAZ --- */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: 0.3s;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: #fff;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        border-radius: 8px;
        border-bottom: none;
    }
}

/* --- FOOTER --- */
footer {
    background-color: #b1adad;
    color: #555;
    text-align: center;
    padding: 20px 0;
    margin-top: auto;
}