/* Catalogs Section Styles */

.catalogs {
    position: relative;
    background-color: #FAFAFA;
    padding: var(--space-24) 0;
    overflow: hidden;
}

/* Section Header */
.catalogs__header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-12);
}

/* Category Tabs */
.catalogs__tabs {
    margin-bottom: var(--space-12);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.catalogs__tabs::-webkit-scrollbar {
    display: none;
}

.tabs-wrapper {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
}

.tab-button {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-600);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.tab-button svg {
    transition: transform var(--transition-base);
}

.tab-button:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.tab-button:hover svg {
    transform: rotate(10deg);
}

.tab-button.active {
    color: var(--color-white);
    background: var(--gradient-primary);
    border-color: transparent;
}

/* Products Grid */
.catalogs__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-8);
}

/* Product Card */
.product-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.product-card__image {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--color-gray-200) 0%,
        var(--color-gray-100) 100%
    );
}

.product-card__image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 35px,
        rgba(0,0,0,.03) 35px,
        rgba(0,0,0,.03) 70px
    );
}

.product-card__image-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-card__badge {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    padding: var(--space-2) var(--space-3);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.product-card__content {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card__name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin: 0 0 var(--space-2) 0;
}

.product-card__subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin: 0 0 var(--space-4) 0;
}

.product-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: auto;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.feature-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.product-card__cta {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.product-card__cta svg {
    transition: transform var(--transition-base);
}

.product-card:hover .product-card__cta svg {
    transform: translateX(4px);
}

/* Loading State */
.catalogs__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-16) 0;
    color: var(--color-gray-600);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.catalogs__empty {
    text-align: center;
    padding: var(--space-16) 0;
    color: var(--color-gray-600);
}

.catalogs__empty svg {
    color: var(--color-gray-400);
    margin-bottom: var(--space-4);
}

/* Product Modal */
.product-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.product-modal.active {
    display: flex;
}

.product-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.product-modal__container {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    background: var(--color-white);
    border-radius: var(--radius-3xl);
    overflow: hidden;
    animation: modalSlideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.product-modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
}

.product-modal__close:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: rotate(90deg);
}

.product-modal__content {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

/* Modal Header */
.product-modal__header {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-8);
    border-bottom: 1px solid var(--color-gray-200);
}

.product-modal__image {
    flex-shrink: 0;
    width: 200px;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--color-gray-200) 0%,
        var(--color-gray-100) 100%
    );
}

.product-modal__image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-modal__title-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-modal__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin: 0 0 var(--space-2) 0;
}

.product-modal__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin: 0;
}

/* Modal Tabs */
.product-modal__tabs {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    border-bottom: 1px solid var(--color-gray-200);
    overflow-x: auto;
}

.product-tab {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-600);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.product-tab:hover {
    color: var(--color-primary);
}

.product-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Modal Panels */
.product-modal__panels {
    flex: 1;
    padding: var(--space-8);
    overflow-y: auto;
}

.product-panel {
    display: none;
}

.product-panel.active {
    display: block;
    animation: fadeInPanel 0.3s ease-out;
}

@keyframes fadeInPanel {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Features List */
.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-4);
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
}

.features-list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    flex-shrink: 0;
    font-weight: var(--font-weight-bold);
}

/* Technical Data */
.technical-data {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.tech-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.tech-label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-700);
}

.tech-value {
    color: var(--color-gray-900);
    font-weight: var(--font-weight-medium);
}

/* Description Text */
.description-text {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-gray-700);
    margin: 0;
}

/* Recommended List */
.recommended-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-3);
}

.recommended-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
}

/* Modal Actions */
.product-modal__actions {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-8);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

.product-modal__actions .btn {
    flex: 1;
}

/* Responsive Design */
@media (max-width: 1023px) {
    .catalogs {
        padding: var(--space-16) 0;
    }
    
    .catalogs__grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--space-6);
    }
}

@media (max-width: 767px) {
    .catalogs {
        padding: var(--space-12) 0;
    }
    
    .tabs-wrapper {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: var(--space-2);
    }
    
    .catalogs__grid {
        grid-template-columns: 1fr;
    }
    
    .product-modal__header {
        flex-direction: column;
        padding: var(--space-6);
    }
    
    .product-modal__image {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .product-modal__title {
        font-size: var(--font-size-2xl);
    }
    
    .product-modal__tabs {
        padding: var(--space-3) var(--space-4);
    }
    
    .product-modal__panels {
        padding: var(--space-6) var(--space-4);
    }
    
    .product-modal__actions {
        flex-direction: column;
        padding: var(--space-6) var(--space-4);
    }
    
    .features-list,
    .technical-data {
        grid-template-columns: 1fr;
    }
}