* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background: #fff;
    color: #333;
}

/* Header */
.header-top {
    background: #fff;
    padding: 8px 0;
    font-size: 11px;
    border-bottom: 1px solid #eee;
}

    .header-top a {
        color: #666;
        text-decoration: none;
        margin-right: 15px;
    }

.main-header {
    padding: 20px 0;
    background: #fff;
}

.logo {
    font-size: 28px;
    font-weight: 300;
    color: #333;
}

.header-center-text {
    color: #666;
    font-size: 13px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    justify-content: flex-end;
}

.btn-dark-custom {
    background: #333;
    color: white;
    border: none;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 12px;
    cursor: pointer;
}

.icon-btn {
    background: none;
    border: none;
    color: #333;
    font-size: 16px;
    padding: 5px;
    cursor: pointer;
}

/* Navigation */
.nav-tabs-custom {
    border-bottom: 1px solid #ddd;
    padding: 0;
    margin: 0;
}

    .nav-tabs-custom .nav-link {
        border: none;
        border-bottom: 2px solid transparent;
        color: #666;
        padding: 12px 20px;
        margin: 0;
        border-radius: 0;
        font-size: 14px;
    }

        .nav-tabs-custom .nav-link.active {
            color: #333;
            background: none;
            border-bottom: 2px solid #333;
        }

/* Products Section */
.products-section {
    padding: 40px 0;
}

.section-title {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 30px;
}

.product-count {
    font-size: 13px;
    color: #999;
    font-weight: normal;
}

/* Filters */
.filter-row {
    margin-bottom: 25px;
}

.filter-label {
    font-size: 13px;
    color: #666;
    margin-right: 15px;
}

.filter-chip {
    display: inline-block;
    background: #f0f0f0;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    margin-right: 10px;
}

    .filter-chip i {
        margin-left: 8px;
        font-size: 10px;
        cursor: pointer;
    }

/* Sidebar Filters */
.sidebar-filters {
    background: #fafafa;
    padding: 25px;
    border-radius: 5px;
}

.filter-section {
    margin-bottom: 25px;
}

.filter-title {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.filter-option {
    font-size: 13px;
    color: #666;
    margin-bottom: 8px;
    padding-left: 20px;
}

.filter-button {
    background: #e8e8e8;
    border: none;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 10px;
    cursor: pointer;
}

/* Product Grid */
.product-card {
    margin-bottom: 40px;
    cursor: pointer;
}

.product-image {
    background: #f8f8f8;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 5px;
}

    .product-image img {
        width: 85%;
        height: 85%;
        object-fit: contain;
    }

.product-info {
    padding: 15px 0;
}

.product-brand {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 5px;
}

.product-description {
    font-size: 13px;
    color: #666;
    line-height: 1.4;
}

/* Catalog Cards */
.catalog-card {
    margin-bottom: 30px;
    cursor: pointer;
}

.catalog-image {
    aspect-ratio: 4/5;
    overflow: hidden;
    border-radius: 5px;
    position: relative;
}

    .catalog-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.catalog-title {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: white;
    font-size: 16px;
    font-weight: 500;
}

.catalog-subtitle {
    text-align: center;
    padding: 15px 0;
    font-size: 14px;
}

/* Video Cards */
.video-card {
    position: relative;
    margin-bottom: 30px;
    cursor: pointer;
}

.video-thumbnail {
    aspect-ratio: 16/9;
    background: #000;
    overflow: hidden;
    border-radius: 5px;
    position: relative;
}

    .video-thumbnail img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.8;
    }

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .play-button i {
        margin-left: 3px;
        color: #333;
    }

.video-title {
    padding: 15px 0;
    font-size: 14px;
}

/* Article Cards */
.article-card {
    background: #fff;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.article-image {
    aspect-ratio: 4/3;
    overflow: hidden;
}

    .article-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.article-content {
    padding: 20px;
}

.article-title {
    font-size: 16px;
    margin-bottom: 8px;
    line-height: 1.4;
}

.article-meta {
    font-size: 13px;
    color: #999;
}

/* Pagination */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-top: 40px;
}

.page-btn {
    width: 32px;
    height: 32px;
    border: 1px solid #ddd;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 13px;
    color: #666;
}

    .page-btn:hover {
        background: #f5f5f5;
    }

    .page-btn.active {
        background: #ff4444;
        color: white;
        border-color: #ff4444;
    }

/* Responsive */
@@media (max-width: 768px) {
    .header-actions {
        gap: 8px;
    }

    .btn-dark-custom {
        padding: 5px 12px;
        font-size: 11px;
    }

    .product-card {
        margin-bottom: 25px;
    }
}