/* ===== HERO SEKCIJA ===== */
.reference-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('https://images.unsplash.com/photo-1450101499163-c8848c66ca85?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--bijela);
    border-bottom: 3px solid var(--crvena);
    position: relative;
}

.reference-hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.reference-hero h1 span {
    color: var(--crvena);
}

.reference-hero p {
    font-size: 1.3rem;
    color: var(--siva-svijetla);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== NG LOGO (mali akcent) ===== */
.reference-ng-logo {
    text-align: center;
    margin: 30px 0 20px;
}

.reference-ng-logo span {
    font-family: Candara;
    font-style: italic;
    font-size: 3rem;
    font-weight: 800;
}

.reference-ng-logo .ng-n {
    color: var(--crna);
    margin-right: -3px;
}

.reference-ng-logo .ng-g {
    color: var(--crvena);
}

/* ===== GLAVNI SADRŽAJ ===== */
.reference-main {
    padding: 40px 0 80px;
    background-color: #fafafa;
}

/* ===== LISTA REFERENCI ===== */
.reference-lista {
    max-width: 900px;
    margin: 0 auto;
}

.reference-kategorija {
    margin-bottom: 50px;
    background-color: var(--bijela);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--crvena);
    scroll-margin-top: 240px;
}

.reference-kategorija h2 {
    font-size: 2rem;
    color: var(--crna);
    margin-bottom: 25px;
    border-bottom: 2px solid var(--siva-svijetla);
    padding-bottom: 15px;
}

.reference-kategorija h2 i {
    color: var(--crvena);
    margin-right: 15px;
    font-size: 1.8rem;
}

.reference-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.reference-items li {
    padding: 10px 15px;
    border-bottom: 1px dashed var(--siva-svijetla);
    font-size: 1.1rem;
    color: var(--sivi-tekst);
    transition: background-color 0.3s, padding-left 0.3s;
    position: relative;
}

.reference-items li:last-child {
    border-bottom: none;
}

.reference-items li:hover {
    background-color: rgba(211, 47, 47, 0.03);
    padding-left: 25px;
}

.reference-items li::before {
    content: "•";
    color: var(--crvena);
    font-weight: bold;
    position: absolute;
    left: 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.reference-items li:hover::before {
    opacity: 1;
}

/* ===== SUMMARY ===== */
.reference-summary {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 60px;
    padding: 30px;
    background-color: var(--crna);
    border-radius: 50px;
    color: var(--bijela);
    border: 2px solid var(--crvena);
}

.summary-item {
    text-align: center;
}

.summary-broj {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--crvena);
    line-height: 1.2;
}

.summary-opis {
    font-size: 1rem;
    letter-spacing: 2px;
    color: var(--siva-svijetla);
}
/* ===== NAVIGACIJA PO KATEGORIJAMA (SIDRA) ===== */
.reference-nav {
    background-color: var(--bijela);
    padding: 20px 0;
    border-bottom: 2px solid var(--siva-svijetla);
    margin-bottom: 30px;
    position: sticky;
    top: 100px;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.reference-nav h3 {
    font-size: 1.2rem;
    color: var(--crna);
    margin-bottom: 15px;
    text-align: center;
}

.nav-gumbi {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.nav-gumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: #f5f5f5;
    color: var(--sivi-tekst);
    text-decoration: none;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-gumb i {
    color: var(--crvena);
    font-size: 1rem;
    transition: color 0.3s;
}

.nav-gumb:hover {
    background-color: var(--crvena);
    color: var(--bijela);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(211, 47, 47, 0.3);
}

.nav-gumb:hover i {
    color: var(--bijela);
}

/* Responzivnost */
@media (max-width: 768px) {
    .nav-gumbi {
        gap: 10px;
    }
    
    .nav-gumb {
        padding: 8px 15px;
        font-size: 0.85rem;
    }
    .summary-item {
        flex-direction: column;
        display: flex;
    }
    .reference-nav {
        top: 80px;
    }
}
/* ===== RESPONZIVNOST ===== */
@media (max-width: 768px) {
    .reference-hero h1 {
        font-size: 2.8rem;
    }
    
    .reference-hero p {
        font-size: 1.1rem;
    }
    
    .reference-kategorija {
        padding: 20px;
    }
    
    .reference-kategorija h2 {
        font-size: 1.6rem;
    }
    
    .reference-items li {
        font-size: 1rem;
        padding: 8px 10px;
    }
    
    .reference-summary {
        flex-direction: column;
        gap: 20px;
        border-radius: 30px;
        padding: 20px;
    }
    
    .summary-broj {
        font-size: 2.8rem;
    }
}