/* ============================================================
   PORTFOLIO - CSS
   ============================================================ */

/* --- FILTER GUMBI --- */
.portfolio-filteri {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 30px 0 40px;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid #333;
    background: transparent;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 30px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-btn:hover,
.filter-btn.aktivan {
    background: #333;
    color: #fff;
}

/* --- GRID --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- KARTICA (sad je <a> tag) --- */
.portfolio-item {
    display: block;
    text-decoration: none;
    color: inherit;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.18);
    text-decoration: none;
    color: inherit;
}

/* Sakriveni (filtrirani) */
.portfolio-item.sakriven {
    display: none;
}

/* --- SLIKA --- */
.portfolio-slika {
    overflow: hidden;
    aspect-ratio: 16/10;
}

.portfolio-slika img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}

.portfolio-item:hover .portfolio-slika img {
    transform: scale(1.07);
}

/* --- HOVER OVERLAY --- */
.portfolio-hover {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 12px;
}

.portfolio-item:hover .portfolio-hover {
    opacity: 1;
}

.portfolio-hover span {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    border: 2px solid #fff;
    padding: 10px 22px;
    border-radius: 30px;
}

/* --- INFO --- */
.portfolio-info {
    padding: 20px;
}

.portfolio-info h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 8px;
    color: #1a1a1a;
}

.portfolio-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0 0 14px;
}

/* --- KATEGORIJA OZNAKE --- */
.portfolio-kategorije {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.kat-oznaka {
    display: inline-block;
    background: #f0f0f0;
    color: #555;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
}

/* --- NEMA RADOVA --- */
.nema-radova {
    grid-column: 1 / -1;
    text-align: center;
    color: #999;
    font-size: 16px;
    padding: 60px 20px;
    background: #f9f9f9;
    border-radius: 12px;
}

/* ============================================================
   STRANICA POJEDINAČNOG RADA (single-portfolio)
   ============================================================ */
.portfolio-single-wrap {
    max-width: 900px;
    margin: 60px auto;
    padding: 0 20px;
}

.portfolio-single-wrap h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.portfolio-single-kategorije {
    margin-bottom: 30px;
}

.portfolio-single-slika {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 40px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.portfolio-single-slika img {
    width: 100%;
    height: auto;
    display: block;
}

.portfolio-single-opis {
    font-size: 17px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 40px;
}

.portfolio-single-galerija {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.portfolio-single-galerija img {
    width: 100%;
    border-radius: 10px;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.portfolio-natrag {
    display: inline-block;
    padding: 12px 28px;
    background: #333;
    color: #fff;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.3s;
}

.portfolio-natrag:hover {
    background: #000;
    color: #fff;
    text-decoration: none;
}

/* ============================================================
   RESPONZIVNOST
   ============================================================ */
@media (max-width: 900px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 580px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .filter-btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    .portfolio-single-galerija {
        grid-template-columns: 1fr;
    }
    .portfolio-single-wrap h1 {
        font-size: 26px;
    }
}