/* ============================================
   CATALOG PAGE STYLES
   Digital Products Catalog - Modules & eBooks
   ============================================ */

/* ============================================
   CATALOG HERO SECTION
   ============================================ */
.catalog-hero {
    padding: 10rem 0 4rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, #f0f9ff 100%);
    position: relative;
    overflow: hidden;
}

.catalog-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.catalog-hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.catalog-hero-content {
    max-width: 600px;
}

.catalog-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-purple);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xl);
    margin-bottom: 1.5rem;
}

.catalog-hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-600) 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.catalog-hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.catalog-hero-stats {
    display: flex;
    gap: 2.5rem;
}

.catalog-stat-item {
    text-align: left;
}

.catalog-stat-number {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.catalog-stat-label {
    font-size: 0.9rem;
    color: var(--gray-500);
    font-weight: 500;
}

.catalog-hero-image {
    position: relative;
}

.catalog-hero-image-container {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.catalog-hero-img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   CATALOG FILTERS SECTION
   ============================================ */
.catalog-filters {
    padding: 2rem 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.catalog-filters-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.catalog-search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
    max-width: 400px;
}

.catalog-search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

.catalog-search-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    font-size: 0.95rem;
    font-family: var(--font-secondary);
    color: var(--gray-800);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    outline: none;
}

.catalog-search-input::placeholder {
    color: var(--gray-400);
}

.catalog-search-input:hover {
    border-color: var(--gray-300);
    background: var(--white);
}

.catalog-search-input:focus {
    border-color: var(--accent-purple);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

.catalog-filter-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.catalog-filter-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.catalog-filter-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.catalog-filter-select {
    padding: 0.625rem 2rem 0.625rem 0.875rem;
    font-size: 0.9rem;
    font-family: var(--font-secondary);
    color: var(--gray-700);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

.catalog-filter-select:hover {
    border-color: var(--gray-300);
    background-color: var(--white);
}

.catalog-filter-select:focus {
    border-color: var(--accent-purple);
    background-color: var(--white);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

/* ============================================
   CATALOG PRODUCTS SECTION
   ============================================ */
.catalog-products {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.catalog-products-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.catalog-section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.catalog-section-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.catalog-section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
}

/* ============================================
   PRODUCT GRID
   ============================================ */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* ============================================
   PRODUCT CARD
   ============================================ */
.product-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

/* Product Badges */
.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    z-index: 10;
}

.product-badge.bestseller {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: var(--white);
}

.product-badge.new {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: var(--white);
}

.product-badge.discount {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: var(--white);
}

/* Product Image */
.product-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

/* Product Content */
.product-content {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent-purple);
    background: rgba(124, 58, 237, 0.1);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    align-self: flex-start;
}

.product-title {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.product-description {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 0.75rem;
    flex: 1;
}

/* Product Rating */
.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.product-stars {
    color: #f59e0b;
    font-size: 0.9rem;
    letter-spacing: -1px;
}

.product-rating-count {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Product Footer */
.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-100);
}

.product-price {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-original {
    font-size: 0.85rem;
    color: var(--gray-400);
    text-decoration: line-through;
}

.price-current {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.price-free {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    color: #10b981;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
    background: var(--accent-gradient);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.product-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ============================================
   PAGINATION
   ============================================ */
.catalog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    background: var(--white);
    border: 2px solid var(--gray-200);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    transform: translateY(-2px);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pagination-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.pagination-number:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    transform: translateY(-2px);
}

.pagination-number.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.pagination-ellipsis {
    color: var(--gray-400);
    font-weight: 600;
    padding: 0 0.5rem;
}

/* ============================================
   CATALOG CTA SECTION
   ============================================ */
.catalog-cta {
    padding: 4rem 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.catalog-cta-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.catalog-cta-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.catalog-cta-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.catalog-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-gradient);
    color: var(--white);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.catalog-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .catalog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .catalog-hero-container {
        gap: 3rem;
    }
    
    .catalog-hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .catalog-hero {
        padding: 8rem 0 3rem;
    }
    
    .catalog-hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .catalog-hero-content {
        max-width: 100%;
    }
    
    .catalog-hero-title {
        font-size: 2rem;
    }
    
    .catalog-hero-stats {
        justify-content: center;
    }
    
    .catalog-stat-item {
        text-align: center;
    }
    
    .catalog-filters-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .catalog-search-box {
        max-width: 100%;
    }
    
    .catalog-filter-group {
        justify-content: center;
    }
    
    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .catalog-section-title {
        font-size: 1.875rem;
    }
}

@media (max-width: 480px) {
    .catalog-hero-title {
        font-size: 1.75rem;
    }
    
    .catalog-hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .catalog-filter-group {
        flex-direction: column;
        width: 100%;
    }
    
    .catalog-filter-item {
        width: 100%;
    }
    
    .catalog-filter-select {
        width: 100%;
    }
    
    .catalog-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .catalog-pagination {
        flex-direction: column;
    }
    
    .pagination-numbers {
        order: -1;
    }
}