/* Demo Hero Section */
    .demos-hero {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        padding: 100px 0 80px;
        position: relative;
        overflow: hidden;
    }

    .demos-hero:before {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100px;
        background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB2aWV3Qm94PSIwIDAgMTQ0MCAxMDAlIiBwcmVzZXJ2ZUFzcGVjdFJhdGlvPSJub25lIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxwYXRoIGQ9Ik0wIDB2MTAwYzE0NCAwIDQzMi00NSA3MjAtNDUgMjg4IDAgNTc2IDQ1IDcyMCA0NVYweiIgZmlsbD0iI2ZmZmZmZiIvPjwvc3ZnPg==');
        background-size: 100% 100px;
        background-position: bottom;
        background-repeat: no-repeat;
        opacity: 0.3;
    }

    .demos-hero-content {
        position: relative;
        z-index: 1;
        color: white;
        text-align: center;
    }

    .demos-hero h1 {
        font-size: 2.8rem;
        font-weight: 700;
        margin-bottom: 20px;
    }

    .demos-hero p {
        font-size: 1.2rem;
        opacity: 0.9;
        max-width: 600px;
        margin: 0 auto;
    }

    /* Demos Section */
    .demos-section {
        padding: 60px 0 80px;
    }

    /* Filter Bar */
    .filter-bar {
        background: white;
        padding: 20px 25px;
        border-radius: 12px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        margin-bottom: 40px;
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        align-items: center;
    }

    .filter-bar .form-control,
    .filter-bar .form-select {
        border-radius: 8px;
        border: 1px solid #e0e0e0;
        padding: 10px 15px;
    }

    .filter-bar .form-control:focus,
    .filter-bar .form-select:focus {
        border-color: #667eea;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    }

    .filter-bar .btn-search {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border: none;
        padding: 10px 25px;
        border-radius: 8px;
        font-weight: 500;
    }

    .filter-bar .btn-search:hover {
        opacity: 0.9;
        transform: translateY(-1px);
    }

    /* Category Pills */
    .category-pills {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 30px;
    }

    .category-pill {
        padding: 8px 20px;
        border-radius: 25px;
        background: #f0f0f0;
        color: #555;
        text-decoration: none;
        font-size: 0.9rem;
        transition: all 0.3s ease;
    }

    .category-pill:hover {
        background: #667eea;
        color: white;
    }

    .category-pill.active {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }

    /* Demo Card */
    .demo-card {
        background: white;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .demo-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    }

    .demo-card-image {
        position: relative;
        height: 200px;
        overflow: hidden;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }

    .demo-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

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

    .demo-card-image .demo-placeholder {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100%;
        color: white;
        font-size: 3rem;
        opacity: 0.8;
    }

    /* iframe 미리보기 썸네일 */
    .demo-preview-frame {
        width: 400%;
        height: 400%;
        border: none;
        transform: scale(0.25);
        transform-origin: top left;
        pointer-events: none;
    }

    .demo-category-badge {
        position: absolute;
        top: 15px;
        left: 15px;
        background: rgba(255, 255, 255, 0.95);
        padding: 5px 12px;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 600;
        color: #667eea;
    }

    .demo-view-badge {
        position: absolute;
        top: 15px;
        right: 15px;
        background: rgba(0, 0, 0, 0.6);
        padding: 5px 10px;
        border-radius: 15px;
        font-size: 0.75rem;
        color: white;
        display: flex;
        align-items: center;
        gap: 5px;
    }

    .demo-card-content {
        padding: 25px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .demo-card-title {
        font-size: 1.15rem;
        font-weight: 600;
        margin-bottom: 10px;
        color: #333;
        line-height: 1.4;
    }

    .demo-card-description {
        font-size: 0.9rem;
        color: #666;
        margin-bottom: 15px;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .demo-card-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.85rem;
        color: #999;
        margin-bottom: 15px;
    }

    .demo-card-client {
        display: flex;
        align-items: center;
        gap: 5px;
    }

    .demo-card-actions {
        display: flex;
        gap: 10px;
    }

    .btn-demo-view {
        flex: 1;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border: none;
        padding: 12px 20px;
        border-radius: 8px;
        font-weight: 500;
        text-align: center;
        text-decoration: none;
        transition: all 0.3s ease;
    }

    .btn-demo-view:hover {
        opacity: 0.9;
        color: white;
        transform: translateY(-2px);
    }

    .btn-demo-new-tab {
        background: #f0f0f0;
        color: #555;
        border: none;
        padding: 12px 15px;
        border-radius: 8px;
        text-decoration: none;
        transition: all 0.3s ease;
    }

    .btn-demo-new-tab:hover {
        background: #e0e0e0;
        color: #333;
    }

    /* Empty State */
    .empty-state {
        text-align: center;
        padding: 80px 20px;
        color: #999;
    }

    .empty-state i {
        font-size: 4rem;
        margin-bottom: 20px;
        opacity: 0.5;
    }

    .empty-state h3 {
        font-size: 1.5rem;
        margin-bottom: 10px;
        color: #666;
    }

    /* Pagination */
    .pagination-wrapper {
        display: flex;
        justify-content: center;
        margin-top: 50px;
    }

    .pagination .page-link {
        border: none;
        color: #667eea;
        padding: 10px 18px;
        margin: 0 3px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .pagination .page-link:hover {
        background: #667eea;
        color: white;
    }

    .pagination .page-item.active .page-link {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .demos-hero {
            padding: 80px 0 60px;
        }

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

        .filter-bar {
            flex-direction: column;
        }

        .filter-bar .form-control,
        .filter-bar .form-select,
        .filter-bar .btn-search {
            width: 100%;
        }

        .demo-card-image {
            height: 160px;
        }
    }