/* Projects Hero Section */
    .projects-hero {
        background: linear-gradient(135deg, #1e4cae 0%, #4a6ecf 100%);
        padding: 100px 0;
        position: relative;
        overflow: hidden;
    }
    
    .projects-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;
    }
    
    .projects-hero-content {
        position: relative;
        z-index: 1;
    }
    
    /* 기본 스타일 */
    .projects-section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 15px;
        color: var(--primary-color);
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        color: #6c757d;
        margin-bottom: 50px;
    }
    
    /* 프로젝트 카드 스타일 */
    .project-card {
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        margin-bottom: 30px;
        transition: all 0.3s ease;
        height: 100%;
        background-color: white;
    }
    
    .project-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    }
    
    /* 프로젝트 카테고리 스타일은 custom.css로 이동 */
    
    .project-content {
        padding: 25px;
    }
    
    .project-client {
        font-size: 0.85rem;
        color: var(--primary-color);
        margin-bottom: 10px;
        font-weight: 500;
        display: flex;
        align-items: center;
    }
    
    .project-client i {
        margin-right: 6px;
    }
    
    .project-title {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 15px;
        line-height: 1.4;
        min-height: 3em;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .project-details {
        margin-bottom: 20px;
    }
    
    .detail-item {
        display: flex;
        margin-bottom: 10px;
        align-items: flex-start;
    }
    
    .detail-icon {
        color: var(--primary-color);
        margin-right: 10px;
        font-size: 0.9rem;
        margin-top: 2px;
    }
    
    .detail-content {
        flex: 1;
    }
    
    .detail-label {
        font-weight: 500;
        margin-bottom: 3px;
        font-size: 0.9rem;
    }
    
    .detail-value {
        color: #6c757d;
        font-size: 0.9rem;
    }
    
    .tech-badges {
        margin-bottom: 20px;
    }
    
    .tech-badge {
        display: inline-block;
        padding: 5px 10px;
        background-color: rgba(30, 76, 174, 0.1);
        color: var(--primary-color);
        border-radius: 4px;
        font-size: 0.8rem;
        margin-right: 8px;
        margin-bottom: 8px;
    }
    
    /* Filter Section */
    .filter-container {
        padding: 20px;
        background-color: #f8f9fa;
        border-radius: 10px;
        margin-bottom: 30px;
    }
    
    .filter-label {
        font-weight: 600;
        margin-bottom: 10px;
    }
    
    .filter-button {
        border: none;
        background-color: white;
        border-radius: 30px;
        padding: 8px 16px;
        margin-right: 10px;
        margin-bottom: 10px;
        font-size: 0.9rem;
        color: #6c757d;
        transition: all 0.3s ease;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        cursor: pointer;
    }
    
    .filter-button:hover {
        background-color: #e9ecef;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .filter-button.active {
        background-color: var(--primary-color);
        color: white !important;
        font-weight: 600;
        box-shadow: 0 5px 15px rgba(30, 76, 174, 0.3);
    }
    
    /* 페이지네이션 스타일 복원 */
    .pagination {
        margin-top: 30px;
    }
    
    .pagination .page-item .page-link {
        border-radius: 8px;
        margin: 0 5px;
        color: var(--primary-color);
        border: 1px solid #dee2e6;
        transition: all 0.3s ease;
        padding: 10px 16px;
        font-weight: 500;
    }
    
    .pagination .page-item.active .page-link {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        color: white;
        font-weight: 600;
        box-shadow: 0 2px 8px rgba(30, 76, 174, 0.3);
    }
    
    .pagination .page-item .page-link:hover {
        background-color: #e9ecef;
        color: var(--primary-color);
        transform: translateY(-2px);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }
    
    .pagination .page-item.disabled .page-link {
        color: #6c757d;
        border-color: #dee2e6;
        background-color: #f8f9fa;
        cursor: not-allowed;
    }
    
    /* 다중 선택 가이드 스타일 */
    .filter-guide {
        color: #6c757d;
        font-size: 0.85rem;
        margin-top: 15px;
        background-color: rgba(0,0,0,0.03);
        padding: 8px;
        border-radius: 5px;
    }
    
    /* 리스트 뷰 스타일 */
    .list-view .project-item {
        margin-bottom: 20px;
    }
    
    .list-view .project-card {
        display: flex;
        flex-direction: row;
    }
    
    .list-view .project-image {
        width: 200px;
        min-width: 200px;
        height: 150px;
        flex-shrink: 0;
        position: relative;
    }

    .list-view .project-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .list-view .project-category {
        display: none;
    }

    .list-view .project-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: 10px 15px;
    }

    .project-content-category {
        display: none;
    }

    .list-view .project-content-category {
        display: inline-block;
        background-color: var(--primary-color);
        color: white;
        padding: 3px 10px;
        border-radius: 12px;
        font-size: 0.7rem;
        margin-bottom: 5px;
        font-weight: 600;
        width: fit-content;
    }

    .list-view .project-client {
        margin-bottom: 5px;
        font-size: 0.75rem;
    }

    .list-view .project-title {
        font-size: 0.95rem;
        margin-bottom: 8px;
        min-height: auto;
    }

    .list-view .project-details {
        display: flex;
        flex-wrap: nowrap;
        gap: 15px;
        margin-bottom: 8px;
    }

    .list-view .detail-item {
        flex: 1;
        min-width: 0;
    }

    .list-view .detail-label {
        font-size: 0.7rem;
        margin-bottom: 2px;
    }

    .list-view .detail-value {
        font-size: 0.75rem;
    }

    .list-view .detail-icon {
        font-size: 0.8rem;
    }

    /* 진행률 게이지 스타일 */
    .progress-section {
        margin-top: 8px;
        margin-bottom: 10px;
    }

    .list-view .progress-section {
        margin-top: 5px;
        margin-bottom: 5px;
    }

    .list-view .progress-label {
        font-size: 0.7rem;
        margin-bottom: 4px;
    }

    .list-view .progress {
        height: 6px;
    }

    .list-view .btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .progress-label {
        font-size: 0.85rem;
        color: #6c757d;
        margin-bottom: 8px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .progress-status {
        font-weight: 600;
        padding: 2px 10px;
        border-radius: 12px;
        font-size: 0.75rem;
    }

    .status-completed {
        background-color: #d4edda;
        color: #155724;
    }

    .status-in-progress {
        background-color: #fff3cd;
        color: #856404;
    }

    .status-pending {
        background-color: #d1ecf1;
        color: #0c5460;
    }

    .progress {
        height: 8px;
        border-radius: 10px;
        background-color: #e9ecef;
        overflow: hidden;
    }

    .progress-bar {
        height: 100%;
        border-radius: 10px;
        transition: width 0.6s ease;
    }

    .progress-bar.bg-success {
        background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
    }

    .progress-bar.bg-warning {
        background: linear-gradient(90deg, #ffc107 0%, #fd7e14 100%);
    }

    .progress-bar.bg-info {
        background: linear-gradient(90deg, #17a2b8 0%, #007bff 100%);
    }
    
    @media (max-width: 991.98px) {
        .list-view .project-card {
            flex-direction: column;
        }
        
        .list-view .project-image {
            width: 100%;
            min-width: 100%;
        }
    }
    
    /* 버튼 스타일 */
    #grid-view-btn.active, #list-view-btn.active, #detail-view-btn.active {
        background-color: var(--primary-color);
        color: white;
    }

    /* 자세히보기 뷰 스타일 */
    .detail-view .project-table {
        width: 100%;
        background-color: white;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .detail-view .project-table table {
        width: 100%;
        margin-bottom: 0;
    }

    .detail-view .project-table thead {
        background-color: var(--primary-color);
        color: white;
    }

    .detail-view .project-table thead th {
        padding: 15px;
        font-weight: 600;
        text-align: center;
        border: none;
    }

    .detail-view .project-table tbody tr {
        border-bottom: 1px solid #e9ecef;
        transition: background-color 0.2s ease;
        cursor: pointer;
    }

    .detail-view .project-table tbody tr:hover {
        background-color: rgba(30, 76, 174, 0.05);
    }

    .detail-view .project-table tbody tr:last-child {
        border-bottom: none;
    }

    .detail-view .project-table tbody td {
        padding: 15px;
        vertical-align: middle;
        text-align: center;
    }

    .detail-view .project-name {
        text-align: left;
        font-weight: 600;
        color: #212529;
    }

    .detail-view .project-period {
        color: #6c757d;
        font-size: 0.9rem;
    }

    .detail-view .project-category-badge {
        display: inline-block;
        padding: 5px 12px;
        background-color: rgba(30, 76, 174, 0.1);
        color: var(--primary-color);
        border-radius: 15px;
        font-size: 0.85rem;
        font-weight: 500;
    }

    .detail-view .project-progress {
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
    }

    .detail-view .progress {
        height: 20px;
        margin-bottom: 5px;
    }

    .detail-view .progress-text {
        font-size: 0.8rem;
        color: #6c757d;
    }

    @media (max-width: 991.98px) {
        .detail-view .project-table {
            overflow-x: auto;
        }

        .detail-view .project-table table {
            min-width: 600px;
        }
    }
    
    .project-card {
        margin-bottom: 30px;
        transition: transform 0.3s;
    }
    .project-card:hover {
        transform: translateY(-5px);
    }
    .project-image {
        height: 200px;
        object-fit: cover;
        width: 100%;
    }
    .badge-category {
        margin-right: 8px;
    }
    .project-client {
        font-size: 0.9rem;
        color: #6c757d;
    }
    .card-body {
        display: flex;
        flex-direction: column;
    }
    .card-title {
        margin-bottom: 10px;
    }
    .pagination {
        justify-content: center;
        margin-top: 30px;
    }
    .filter-section {
        margin-bottom: 40px;
    }
    .filter-heading {
        margin-bottom: 15px;
        font-weight: 600;
    }
    .filter-badge {
        margin: 5px;
        padding: 8px 12px;
        cursor: pointer;
        transition: all 0.2s;
    }
    .filter-badge:hover, .filter-badge.active {
        background-color: #0D47A1;
        color: white;
    }
    .sort-controls {
        margin-bottom: 20px;
    }
    .project-dates {
        font-size: 0.85rem;
        color: #6c757d;
        margin-top: 10px;
    }
    .dropdown-menu {
        max-height: 300px;
        overflow-y: auto;
    }
    
    /* 하이라이트 애니메이션 */
    @keyframes highlight {
        0% { background-color: rgba(13, 71, 161, 0.1); }
        50% { background-color: rgba(13, 71, 161, 0.2); }
        100% { background-color: rgba(13, 71, 161, 0.1); }
    }
    .highlight {
        animation: highlight 2s ease-in-out;
    }

    /* 드롭다운 필터 스타일 */
    .filter-dropdown .dropdown-menu {
        max-height: 300px;
        overflow-y: auto;
        padding: 10px;
    }

    .filter-dropdown .dropdown-toggle {
        border-radius: 6px;
        padding: 10px 15px;
        background-color: white;
        border: 1px solid #dee2e6;
        font-weight: 500;
        transition: all 0.3s ease;
    }

    .filter-dropdown .dropdown-toggle:hover {
        background-color: #f8f9fa;
        border-color: #c6cdd5;
        color: black;
    }

    .filter-dropdown .dropdown-toggle:active, 
    .filter-dropdown .dropdown-toggle:focus {
        box-shadow: 0 0 0 0.25rem rgba(30, 76, 174, 0.25);
    }

    .filter-dropdown .dropdown-item {
        padding: 8px 15px;
        border-radius: 4px;
        transition: all 0.2s ease;
    }

    .filter-dropdown .dropdown-item:hover {
        background-color: rgba(30, 76, 174, 0.1);
    }

    .filter-dropdown .dropdown-item.active {
        background-color: var(--primary-color);
        color: white;
        font-weight: 500;
    }

    .filter-dropdown .dropdown-header {
        padding: 8px 15px;
        font-weight: 600;
        color: #212529;
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        border-bottom: 1px solid #e9ecef;
        margin-bottom: 5px;
    }

    /* 필터가 적용되었을 때 드롭다운 버튼 스타일 변경 */
    .filter-dropdown button.has-filter {
        border-color: var(--primary-color);
        background-color: rgba(30, 76, 174, 0.05);
    }

    /* ========== 모바일 반응형 스타일 ========== */
    @media (max-width: 767.98px) {
        /* Hero 섹션 */
        .projects-hero {
            padding: 60px 0 40px;
        }

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

        .projects-hero .lead {
            font-size: 1rem;
        }

        .projects-hero .badge {
            font-size: 0.75rem;
            padding: 6px 12px;
        }

        /* 섹션 패딩 조정 */
        .projects-section {
            padding: 40px 0;
        }

        .section-title {
            font-size: 1.75rem;
        }

        /* 필터 컨테이너 */
        .filter-container {
            padding: 15px;
            margin-bottom: 20px;
        }

        /* 검색 및 정렬 - 모바일에서 세로 배치 */
        .filter-container .row.mb-3 {
            margin-bottom: 0 !important;
        }

        .filter-container .col-md-6 {
            margin-bottom: 10px;
        }

        /* 정렬 버튼 */
        .btn-group .dropdown-toggle {
            font-size: 0.85rem;
            padding: 8px 12px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* 필터 드롭다운 - 모바일 최적화 */
        .filter-dropdown {
            margin-bottom: 10px;
        }

        .filter-dropdown .dropdown-toggle {
            font-size: 0.85rem;
            padding: 10px 12px;
        }

        .filter-dropdown .dropdown-toggle span {
            font-size: 0.85rem;
        }

        .filter-dropdown .dropdown-toggle .badge {
            font-size: 0.7rem;
            padding: 2px 6px;
        }

        .filter-dropdown .dropdown-menu {
            font-size: 0.9rem;
            max-height: 250px;
        }

        /* 필터 상태 및 초기화 버튼 */
        .filter-container .d-flex.justify-content-between {
            flex-direction: column;
            align-items: flex-start !important;
        }

        .filter-container .d-flex.justify-content-between > div:first-child {
            margin-bottom: 10px;
            width: 100%;
        }

        .filter-container .d-flex.justify-content-between > div:last-child {
            width: 100%;
        }

        .filter-container .btn-sm {
            width: 100%;
            font-size: 0.85rem;
        }

        /* 결과 요약 및 뷰 전환 버튼 */
        .d-flex.justify-content-between.align-items-center.mb-4 {
            flex-direction: column;
            align-items: flex-start !important;
        }

        .d-flex.justify-content-between.align-items-center.mb-4 > div:first-child {
            margin-bottom: 10px;
            width: 100%;
        }

        .d-flex.justify-content-between.align-items-center.mb-4 .d-flex.gap-2 {
            width: 100%;
            justify-content: space-between;
        }

        .d-flex.justify-content-between.align-items-center.mb-4 .btn-primary {
            font-size: 0.85rem;
            padding: 6px 12px;
        }

        /* 뷰 전환 버튼 */
        .btn-group .btn-sm {
            padding: 8px 12px;
        }

        /* 프로젝트 카드 */
        .project-card {
            margin-bottom: 20px;
        }

        .project-image {
            height: 180px;
        }

        .project-content {
            padding: 15px;
        }

        .project-title {
            font-size: 1rem;
            min-height: auto;
        }

        .project-client {
            font-size: 0.8rem;
        }

        .detail-item {
            margin-bottom: 8px;
        }

        .detail-label {
            font-size: 0.8rem;
        }

        .detail-value {
            font-size: 0.8rem;
        }

        .detail-icon {
            font-size: 0.8rem;
        }

        /* 기술 배지 */
        .tech-badge {
            font-size: 0.7rem;
            padding: 4px 8px;
            margin-right: 5px;
            margin-bottom: 5px;
        }

        /* 진행률 섹션 */
        .progress-label {
            font-size: 0.75rem;
        }

        .progress-status {
            font-size: 0.7rem;
            padding: 2px 8px;
        }

        .progress {
            height: 6px;
        }

        /* 프로젝트 카드 버튼 */
        .project-card .btn {
            font-size: 0.85rem;
            padding: 8px 12px;
        }

        /* 페이지네이션 */
        .pagination {
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .pagination .page-item .page-link {
            padding: 6px 10px;
            font-size: 0.85rem;
            margin: 2px;
        }

        /* 자세히보기 테이블 뷰 */
        .detail-view .project-table {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .detail-view .project-table table {
            min-width: 600px;
            font-size: 0.85rem;
        }

        .detail-view .project-table thead th {
            padding: 10px 8px;
            font-size: 0.8rem;
        }

        .detail-view .project-table tbody td {
            padding: 10px 8px;
            font-size: 0.85rem;
        }

        /* 리스트 뷰 모바일 최적화 */
        .list-view .project-card {
            flex-direction: column;
        }

        .list-view .project-image {
            width: 100%;
            min-width: 100%;
            height: 180px;
        }

        .list-view .project-content {
            padding: 15px;
        }

        .list-view .project-title {
            font-size: 1rem;
        }

        .list-view .project-details {
            flex-direction: column;
            gap: 8px;
        }

        /* 빈 상태 메시지 */
        .alert-info {
            font-size: 0.9rem;
        }

        .alert-info h4 {
            font-size: 1.2rem;
        }

        /* 검색 입력 */
        .input-group .form-control {
            font-size: 0.9rem;
        }

        .input-group .btn {
            padding: 8px 12px;
        }
    }

    /* 작은 모바일 (아이폰 SE 등) */
    @media (max-width: 375px) {
        .projects-hero {
            padding: 40px 0 30px;
        }

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

        .projects-hero .lead {
            font-size: 0.9rem;
        }

        .section-title {
            font-size: 1.5rem;
        }

        .filter-container {
            padding: 10px;
        }

        .project-content {
            padding: 12px;
        }

        .project-title {
            font-size: 0.95rem;
        }

        .detail-label,
        .detail-value {
            font-size: 0.75rem;
        }

        .btn {
            font-size: 0.8rem !important;
            padding: 6px 10px !important;
        }

        .pagination .page-item .page-link {
            padding: 5px 8px;
            font-size: 0.8rem;
        }
    }

    /* 태블릿 세로 모드 */
    @media (min-width: 768px) and (max-width: 991.98px) {
        .project-item {
            margin-bottom: 20px;
        }

        .projects-hero {
            padding: 80px 0;
        }

        .filter-container .col-md-3 {
            width: 50%;
        }
    }