/* --- OSNOVNI LAYOUT (Tri kolone) --- */
.main-layout-container {
    display: grid;
    /* 280px za Edukaciju, sredina raste, 300px za Projekte */
    grid-template-columns: 280px 1fr 300px; 
    gap: 30px;
    max-width: 100%;
    margin: 110px auto 50px auto; 
    padding: 0 30px;
    align-items: start;
}

/* --- ZAJEDNIČKI STIL ZA SIDEBARE (Lijevi i Desni) --- */
.sidebar-left, .sidebar {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 20px;
    position: sticky;
    top: 100px; /* Sidebar prati skrolovanje */
    min-width: 0;
}

/* Lijevi sidebar (Edukacija) - Zeleni akcenat */
.sidebar-left {
    border: 1px solid rgba(39, 174, 96, 0.3);
}

.sidebar-left h3 {
    color: #27ae60;
    text-align: center;
    border-bottom: 2px solid rgba(39, 174, 96, 0.4);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* Desni sidebar (Projekti) - Zlatni akcenat */
.sidebar {
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.sidebar h3 {
    color: #d4af37;
    text-align: center;
    border-bottom: 2px solid rgba(212, 175, 55, 0.4);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* --- SREDINA: PRODAJA SOFTVERA (FEED) --- */
#products-feed {
    display: flex;
    flex-direction: column;
    gap: 30px;
    min-width: 0;
}

.proizvodi-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.soft-naslov { 
    color: #d4af37; 
    font-size: 1.8em; 
    text-transform: uppercase; 
}

/* --- KARTICE U SIDEBARIMA --- */
.sidebar-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
    transition: 0.3s ease;
}

.sidebar-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.06);
}

/* Poseban hover za edukaciju */
.sidebar-left .sidebar-card:hover { border-color: #27ae60; }
.sidebar .sidebar-card:hover { border-color: #d4af37; }

.sidebar-img-wrapper img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.sidebar-content {
    padding: 15px;
    text-align: center;
}

.sidebar-content h4 {
    margin: 0 0 10px 0;
    font-size: 1.1em;
}

/* --- DUGMAD --- */
.sidebar-btn {
    display: block;
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    font-weight: bold;
    text-decoration: none;
    transition: 0.3s;
    text-align: center;
}

/* Zlatno dugme za projekte */
.sidebar .sidebar-btn {
    background: #d4af37;
    color: #000;
}

/* Zeleno dugme za edukaciju */
.sidebar-left .sidebar-btn {
    background: #27ae60;
    color: #fff;
}

.sidebar-btn:hover {
    filter: brightness(1.2);
    transform: scale(1.02);
}

/* --- MULTIMEDIJA --- */
.galerija-kontejner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin: 20px 0;
}

.galerija-img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: 0.3s;
}

.galerija-img:hover { border-color: #d4af37; }

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    margin: 20px 0;
}

.video-wrapper iframe {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
}

/* --- RESPONSIVE (Prilagođavanje za tablete i mobitele) --- */
@media (max-width: 1300px) {
    .main-layout-container {
        grid-template-columns: 250px 1fr; /* Sakrivamo treću kolonu ili je slažemo */
    }
    .sidebar { display: none; } /* Opcionalno sakrivanje jednog sidebara na manjoj širini */
}

@media (max-width: 1000px) {
    .main-layout-container {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    .sidebar-left, .sidebar { 
        position: static; 
        margin-top: 30px; 
    }
    .sidebar { display: block; }
}