/* ===== CATALOG HERO ===== */
.catalog-hero {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 4rem 0 3rem;
    text-align: center;
}

.catalog-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.catalog-hero p {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* ===== CATEGORY NAVIGATION ===== */
.category-navigation {
    background: var(--bg-white);
    padding: 2rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.category-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0284c7 100%);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(3, 105, 161, 0.2);
}

.category-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(3, 105, 161, 0.3);
    background: linear-gradient(135deg, #0284c7 0%, var(--primary-color) 100%);
}

.category-btn svg {
    width: 24px;
    height: 24px;
    stroke-width: 2.5;
}

@media (max-width: 768px) {
    .category-buttons {
        flex-direction: column;
        padding: 0 1rem;
    }

    .category-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== CATALOG SECTION ===== */
.catalog-section {
    padding: 4rem 0;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.catalog-item {
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.catalog-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.catalog-item-image {
    width: 100%;
    height: 280px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.catalog-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.4s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.catalog-item-image .hover-image {
    opacity: 0;
}

.catalog-item:hover .catalog-item-image .hover-image {
    opacity: 1;
}

.catalog-item-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.catalog-item-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    min-height: 60px;
}

.catalog-price {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    position: relative;
}

.price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
}

.catalog-specs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    flex-grow: 1;
}

.spec-item {
    font-size: 0.9rem;
    color: var(--text-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.spec-item strong {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.85rem;
    white-space: nowrap;
}

.spec-item span {
    text-align: right;
    font-weight: 500;
}

.product-details-btn {
    margin-bottom: 0.75rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .catalog-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .catalog-hero h1 {
        font-size: 2rem;
    }

    .catalog-item-image {
        height: 240px;
    }
}

@media (max-width: 640px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }

    .catalog-item-content {
        padding: 1.25rem;
    }

    .catalog-item-content h3 {
        font-size: 1.125rem;
        min-height: auto;
    }

    .catalog-price {
        font-size: 1.75rem;
    }

    .catalog-hero h1 {
        font-size: 1.75rem;
    }

    .catalog-item-image {
        height: 220px;
    }
}

/* ===== PRODUCT MODAL ===== */
.product-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 16px;
    max-width: 950px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    z-index: 10000;
    animation: modalFadeIn 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 42px;
    height: 42px;
    border: none;
    background: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10001;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.modal-close:hover {
    background: var(--primary-color);
    transform: rotate(90deg);
}

.modal-close:hover svg {
    color: white;
}

.modal-close svg {
    width: 22px;
    height: 22px;
    color: var(--text-dark);
    transition: color 0.2s ease;
}

.modal-body {
    padding: 0;
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 0;
    max-height: 90vh;
}

.modal-product-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-product-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.modal-product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.modal-product-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
    color: var(--text-dark);
    line-height: 1.2;
}

.modal-product-price {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--bg-light);
}

.modal-product-price .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.modal-product-description {
    display: none;
}

.modal-specs {
    background: var(--bg-light);
    padding: 0.6rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.modal-specs h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--text-dark);
}

.modal-specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.modal-spec-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.modal-spec-item strong {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-light);
}

.modal-spec-item span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dark);
}

.modal-features {
    margin-bottom: 0.75rem;
}

.modal-features h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--text-dark);
}

.modal-features ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.3rem;
}

.modal-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.3rem;
    font-size: 0.8rem;
    line-height: 1.2;
    color: var(--text-light);
}

.modal-features li:before {
    content: "✓";
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.modal-actions {
    display: flex;
    gap: 1rem;
}

@media (max-width: 968px) {
    .modal-body {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        max-height: 90vh;
    }

    .modal-product-image {
        min-height: 280px;
        max-height: 280px;
        padding: 1.5rem;
        flex-shrink: 0;
        position: sticky;
        top: 0;
        z-index: 1;
        background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    }

    .modal-product-info {
        padding: 2rem;
        overflow-y: auto;
        flex: 1;
    }
}

@media (max-width: 640px) {
    .modal-content {
        max-height: 95vh;
        margin: 0.5rem;
    }

    .modal-body {
        max-height: 95vh;
        overflow: hidden;
    }

    .modal-product-title {
        font-size: 1.125rem;
        margin-top: 0.5rem;
    }

    .modal-product-price {
        font-size: 1.5rem;
    }

    .modal-product-image {
        min-height: 180px;
        max-height: 180px;
        padding: 1rem;
        position: sticky;
        top: 0;
        z-index: 1;
        background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    }

    .modal-product-image img {
        border-radius: 6px;
        max-height: 160px;
        object-fit: contain;
    }

    .modal-product-info {
        padding: 1.25rem;
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .modal-product-description {
        font-size: 0.875rem;
        margin-bottom: 1rem;
        display: block;
    }

    .modal-actions {
        flex-direction: column;
        position: sticky;
        bottom: 0;
        background: white;
        padding-top: 1rem;
        margin-top: 1rem;
        border-top: 1px solid var(--bg-light);
    }

    .modal-specs-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .modal-features ul {
        grid-template-columns: 1fr;
    }

    .modal-specs,
    .modal-features {
        margin-bottom: 1rem;
    }

    .modal-specs {
        padding: 0.75rem;
    }
}