/* Products Hero Section */
.products-hero {
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    padding: 120px 20px 80px;
    text-align: center;
    margin-top: 75px;
}

.products-hero h1 {
    font-size: 3rem;
    font-weight: 300;
    color: #333;
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.products-hero p {
    font-size: 1.2rem;
    color: #666;
    font-weight: 300;
}

/* Category Filter */
.category-filter {
    background: #fff;
    padding: 40px 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 75px;
    z-index: 100;
}

.category-filter .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    max-width: 1200px;
    margin: 0 auto;
}

.filter-btn {
    padding: 12px 30px;
    background: #f5f5f5;
    border: 2px solid transparent;
    border-radius: 50px;
    color: #666;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-btn:hover {
    background: #fff;
    border-color: #d4a574;
    color: #d4a574;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 165, 116, 0.2);
}

.filter-btn.active {
    background: linear-gradient(135deg, #d4a574 0%, #c89960 100%);
    color: #fff;
    border-color: #d4a574;
    box-shadow: 0 4px 15px rgba(212, 165, 116, 0.3);
}

/* Products Section */
.products-section {
    padding: 80px 20px;
    background: #fafafa;
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Product Card */
.product-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
}

.product-card.hidden {
    display: none;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.product-image {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f8f8 0%, #fff 100%);
}

.product-image img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    height: 85%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
    transform: translate(-50%, -50%) scale(1.05);
}

.product-info {
    padding: 25px;
    text-align: center;
}

.product-info h3 {
    font-size: 1.3rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.product-model {
    font-size: 1rem;
    color: #d4a574;
    font-weight: 600;
    margin: 8px 0;
    letter-spacing: 1px;
}

.product-size {
    font-size: 0.9rem;
    color: #888;
    margin: 5px 0;
}

.product-volume {
    font-size: 1rem;
    color: #555;
    font-weight: 500;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid #eee;
}

/* Responsive Design */

/* Tablet */
@media (min-width: 600px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 35px;
    }
}

/* Desktop */
@media (min-width: 900px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
    }

    .products-hero {
        padding: 150px 20px 100px;
    }

    .products-hero h1 {
        font-size: 4rem;
    }

    .products-hero p {
        font-size: 1.4rem;
    }

    .product-info h3 {
        font-size: 1.4rem;
    }
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .products-hero {
        padding: 100px 20px 60px;
        margin-top: 65px;
    }

    .products-hero h1 {
        font-size: 2.2rem;
        letter-spacing: 2px;
    }

    .products-hero p {
        font-size: 1rem;
    }

    .category-filter {
        padding: 25px 15px;
        top: 65px;
    }

    .category-filter .container {
        gap: 10px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 0.85rem;
        letter-spacing: 0.5px;
    }

    .products-section {
        padding: 50px 15px;
    }

    .products-grid {
        gap: 25px;
    }

    .product-info {
        padding: 20px;
    }

    .product-info h3 {
        font-size: 1.15rem;
    }

    .product-model {
        font-size: 0.95rem;
    }

    .product-size {
        font-size: 0.85rem;
    }

    .product-volume {
        font-size: 0.95rem;
    }
}

/* Animation for filtered products */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.product-card:not(.hidden) {
    animation: fadeIn 0.4s ease forwards;
}

/* Loading State */
.products-grid.loading {
    opacity: 0.5;
    pointer-events: none;
}