/* Category Section with Alternating Layout */
.category-section {
    margin-bottom: 80px;
    padding: 40px 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.6) 0%, rgba(20, 20, 20, 0.4) 50%, rgba(10, 10, 10, 0.6) 100%);
    border-radius: 20px;
}

.category-row {
    display: flex;
    align-items: center;
    gap: 50px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.category-row.reverse {
    flex-direction: row-reverse;
}

.category-slider {
    flex: 1;
    min-width: 0;
}

.category-philosophy {
    flex: 1;
    padding: 20px;
}

.category-title {
    font-size: 2rem;
    color: #cfc09f;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.philosophy-text {
    color: #f5e6c8;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

.category-features {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #cfc09f;
    font-size: 0.95rem;
}

.feature-icon {
    font-size: 0.8rem;
    color: #cfc09f;
}

/* Interni Slider */
.interni-slider-container {
    margin-bottom: 60px;
    padding: 40px 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.8) 0%, rgba(20, 20, 20, 0.6) 50%, rgba(10, 10, 10, 0.8) 100%);
    border-radius: 20px;
}

.slider-title {
    font-size: 2rem;
    color: #cfc09f;
    text-align: center;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.slider-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.slider-track {
    display: flex;
    transition: transform 0.3s ease;
}

.slider-slide {
    min-width: 100%;
    padding: 0 60px;
    box-sizing: border-box;
    position: relative;
}

.slider-slide img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* Image Placeholder Styles */
.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, rgba(30, 25, 10, 0.8), rgba(10, 10, 10, 0.9));
    border-radius: 15px;
    min-height: 300px;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.image-placeholder.hidden {
    opacity: 0;
    pointer-events: none;
}

.image-placeholder span {
    color: #cfc09f;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Loader */
.loader {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(207, 192, 159, 0.2);
    border-top: 3px solid #cfc09f;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Lazy image styles */
.lazy-img {
    position: relative;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-img.loaded {
    opacity: 1;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(207, 192, 159, 0.2);
    border: 2px solid #cfc09f;
    border-radius: 50%;
    color: #cfc09f;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-arrow:hover {
    background: #cfc09f;
    color: #1a1a1a;
}

.slider-prev {
    left: 10px;
}

.slider-next {
    right: 10px;
}

.slider-dots {
    display: none;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;

}

.slider-dot {
    width: 12px;
    height: 12px;
    background: rgba(207, 192, 159, 0.3);
    border: 2px solid #cfc09f;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: #cfc09f;
    transform: scale(1.2);
}

.portfolio-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 20px;
}

.page-title {
    font-size: 3rem;
    color: #cfc09f;
    text-align: center;
    margin-bottom: 50px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* Filter Buttons */
.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 12px 30px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #cfc09f;
    background: linear-gradient(135deg, rgba(58, 44, 15, 0.5), rgba(30, 25, 10, 0.7));
    border: 1px solid rgba(207, 192, 159, 0.3);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, #cfc09f, #3a2c0f);
    color: #1a1a1a;
    border-color: #cfc09f;
    box-shadow: 0 0 20px rgba(207, 192, 159, 0.4);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
    transition: all 0.4s ease;
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
    position: absolute;
}

.portfolio-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.portfolio-info h3 {
    color: #cfc09f;
    font-size: 1.4rem;
    margin-bottom: 8px;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-info h3 {
    transform: translateY(0);
}

.portfolio-info p {
    color: #f5e6c8;
    font-size: 0.95rem;
    transform: translateY(20px);
    transition: transform 0.4s ease 0.1s;
}

.portfolio-item:hover .portfolio-info p {
    transform: translateY(0);
}

.project-year {
    display: inline-block;
    margin-top: 10px;
    padding: 5px 12px;
    background: rgba(207, 192, 159, 0.2);
    border: 1px solid rgba(207, 192, 159, 0.3);
    border-radius: 20px;
    font-size: 0.8rem;
    color: #cfc09f;
    transform: translateY(20px);
    transition: transform 0.4s ease 0.2s;
}

.portfolio-item:hover .project-year {
    transform: translateY(0);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    text-align: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 10px;
}

.lightbox-caption {
    margin-top: 20px;
    color: #fff;
}

.lightbox-caption h3 {
    color: #cfc09f;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.lightbox-caption p {
    color: #f5e6c8;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 3rem;
    color: #cfc09f;
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lightbox-close:hover {
    transform: rotate(90deg);
    color: #f5e6c8;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    color: #cfc09f;
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 20px;
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: #f5e6c8;
    transform: translateY(-50%) scale(1.2);
}

@media (max-width: 1024px) {
    .category-row {
        flex-direction: column;
        gap: 30px;
        padding: 0 20px;
    }
    
    .category-row.reverse {
        flex-direction: column;
    }
    
    .category-slider,
    .category-philosophy {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 1.8rem;
    }
    
    .category-section {
        padding: 20px 0;
        margin-bottom: 40px;
    }
    
    .category-title {
        font-size: 1.3rem;
        text-align: center;
        margin-bottom: 30px;
    }
    
    .philosophy-text {
        font-size: 0.9rem;
        text-align: center;
    }
    
    .category-row {
        flex-direction: column;
        gap: 30px;
        padding: 0 20px;
    }
    
    .category-slider {
        width: 100%;
    }
    
    .category-philosophy {
        padding: 10px;
    }
    
    .feature-item {
        justify-content: center;
    }
    
    .slider-slide img {
        height: auto;
        max-height: 70vh;
    }
    
    /* Larger slider images on mobile */
    .slider-slide {
        padding: 0 15px;
    }
    
    .slider-slide img {
        max-height: 70vh;
        object-fit: contain;
    }
    
    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .slider-prev {
        left: 5px;
    }
    
    .slider-next {
        right: 5px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-item {
        margin-bottom: 20px;
    }
    
    .portfolio-image {
        aspect-ratio: auto;
        min-height: 380px;
    }
    
    .portfolio-image img {
        object-fit: cover;
        height: 100%;
    }
    
    .portfolio-filter {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 2rem;
        padding: 10px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
}