body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.zaglavlje {
    background-color: #fff;
    padding: 15px 0;
    border-bottom: 2px solid #eee;
    width: 100%;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.zaglavlje-lijevo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    max-height: 85px;
    width: auto;
}

.naslov-container h1 {
    margin: 0;
    font-size: 2.5em;
    color: #2c3e50;
}

.naslov-container .moto {
    margin: 0;
    font-size: 1.1em;
    color: #7f8c8d;
    font-style: italic;
}

.header-linkovi {
    display: flex;
    align-items: center;
    gap: 25px;
}

.header-linkovi a {
    color: #2c3e50;
    font-size: 1.5em;
    text-decoration: none;
    transition: color 0.3s, transform 0.3s;
    display: inline-flex;
    align-items: center;
}

.header-linkovi a:hover {
    color: #3498db;
    transform: scale(1.1);
}

.header-linkovi img {
    height: 26px;
    width: auto;
    vertical-align: middle;
}

.glavni-izbornik {
    display: flex;
    justify-content: center;
    background-color: #2c3e50;
    padding: 10px 0;
}

.glavni-izbornik .tab-link {
    color: #ecf0f1;
    text-decoration: none;
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: bold;
    transition: background-color 0.3s;
    border-bottom: 3px solid transparent;
}

.glavni-izbornik .tab-link:hover {
    background-color: #34495e;
}

.glavni-izbornik .tab-link.aktivan {
    background-color: #3498db;
    color: #fff;
}

.tab-content {
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
    opacity: 0;
    transform: translateY(20px);
    display: none;
}

.tab-content.aktivan {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

#galerija-sekcija.aktivan {
    display: flex;
    gap: 20px;
}

#pocetna-sekcija {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

#pocetna-sekcija h2 {
    text-align: center;
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 20px;
}

.opis-posla {
    font-size: 1.1em;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 40px auto;
    text-align: center;
}

.vise-teksta {
    display: none;
}

.procitaj-vise-btn {
    display: block;
    margin-top: 10px;
    font-weight: bold;
    color: #3498db;
    text-decoration: underline;
    cursor: pointer;
}

.istaknute-usluge {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.usluga-kartica {
    flex-basis: 280px;
    background-color: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #eee;
    transition: transform 0.3s, box-shadow 0.3s;
}

.usluga-kartica:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.usluga-kartica i {
    font-size: 2.5em;
    color: #3498db;
    margin-bottom: 15px;
}

.usluga-kartica h3 {
    margin: 10px 0;
    color: #34495e;
}

.usluga-kartica p {
    font-size: 0.95em;
    color: #555;
}

.istaknuti-kontakt {
    background-color: #34495e;
    color: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.istaknuti-kontakt h3 {
    margin-top: 0;
    font-size: 1.5em;
}

.kontakt-info-glavna {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.kontakt-item-glavna {
    display: flex;
    align-items: center;
    font-size: 1.1em;
}

.kontakt-item-glavna i {
    margin-right: 10px;
    font-size: 1.3em;
    color: #3498db;
}

.kontakt-item-glavna a {
    color: #fff;
    text-decoration: none;
}

.kontakt-item-glavna a:hover {
    text-decoration: underline;
}

.sidebar {
    flex: 0 0 200px;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    height: fit-content;
}

.sidebar h3 {
    margin-top: 0;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.filter-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.filter-nav li {
    margin-bottom: 10px;
}

.filter-nav .filter-link {
    text-decoration: none;
    color: #3498db;
    font-weight: bold;
    padding: 8px;
    display: block;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.filter-nav .filter-link:hover {
    background-color: #ecf0f1;
}

.filter-nav .filter-link.aktivan {
    background-color: #3498db;
    color: #fff;
}

.content {
    flex: 1;
}

#galerija-kontejner {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: flex-start;
}

.slika-item {
    position: relative;
    flex: 1 1 calc(33.333% - 15px);
    box-sizing: border-box;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.slika-item:hover {
    transform: scale(1.03);
}

.slika-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(44, 62, 80, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.slika-item:hover .slika-overlay {
    opacity: 1;
}

.slika-overlay i {
    color: #fff;
    font-size: 3em;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: pointer;
}

.slika-item.hidden {
    display: none;
}

footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    background-color: #34495e;
    color: #ecf0f1;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 80%;
    max-height: 80%;
    position: relative;
}

.modal-image {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 80vh;
    display: block;
    margin: 0 auto;
}

.close {
    position: fixed;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    z-index: 1001;
}

.close:hover,
.close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

.prev,
.next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 20px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev {
    left: 0;
}

.prev:hover,
.next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

#nazad-na-vrh {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #3498db;
    color: #fff;
    width: 50px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    font-size: 24px;
    border-radius: 50%;
    text-decoration: none;
    z-index: 100;
    transition: opacity 0.4s, visibility 0.4s, background-color 0.3s;
}

#nazad-na-vrh:hover {
    background-color: #2980b9;
}

#nazad-na-vrh.skriven {
    opacity: 0;
    visibility: hidden;
}

@media (min-width: 769px) {
    .procitaj-vise-btn {
        display: none;
    }

    .vise-teksta {
        display: inline;
    }
}

@media (max-width: 768px) {
    .header-container,
    .zaglavlje-lijevo {
        flex-direction: column;
        gap: 15px;
    }

    .header-linkovi {
        justify-content: center;
        flex-wrap: wrap;
    }

    .glavni-izbornik {
        flex-direction: column;
        padding: 0;
    }

    .glavni-izbornik .tab-link {
        text-align: center;
        border-bottom: 1px solid #455a64;
    }

    .glavni-izbornik .tab-link.aktivan {
        background-color: #3498db;
        border-bottom-color: transparent;
    }

    .istaknute-usluge,
    .kontakt-info-glavna {
        flex-direction: column;
    }

    #galerija-sekcija.aktivan {
        flex-direction: column;
    }

    .slika-item {
        flex-basis: 100%;
    }

    #pocetna-sekcija,
    .container,
    .header-container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .naslov-container h1 {
        font-size: 2em;
        text-align: center;
    }

    .naslov-container .moto {
        font-size: 1em;
        text-align: center;
    }

    .procitaj-vise-btn {
        display: block;
    }

    .bonitetni-certifikat .certifikat-slika {
        max-width: 105%;
        height: auto;
    }


    #iubenda-cs-panel {
        width: 95% !important;
        left: 2.5% !important;
        box-sizing: border-box;
    }
    
    #iubenda-cs-panel .iubenda-banner-content {
        padding: 10px !important;
    }
}


.bonitetni-certifikat {
    background-color: #f7f7f7;
    padding: 40px 20px;
    margin-top: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.certifikat-sadrzaj {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    text-align: center;
}

.certifikat-slika {
    max-width: 520px;
    height: auto;
}

.certifikat-opis {
    max-width: 600px;
}

.bonitetni-certifikat h3 {
    color: #004d99;
    font-size: 2em;
    margin-bottom: 10px;
}

.bonitetni-certifikat p {
    color: #555;
    font-size: 1.1em;
    line-height: 1.6;
}


@media (min-width: 768px) {
    .certifikat-sadrzaj {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        text-align: left;
    }

    .certifikat-slika {
        margin-right: 70px;
    }
}