/* ===== صفحة المشاريع (Projects Page) - تصميم متطور ===== */

/* ===== Projects Section ===== */
.projects-section {
    padding: var(--space-16) 0;
    background: var(--bg-secondary);
}

/* ===== Filter Tabs ===== */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-3) var(--space-6);
    background: var(--bg-primary);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.filter-btn:hover {
    border-color: var(--color-primary-light);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(2, 60, 133, 0.1);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-color: var(--color-primary);
    color: var(--text-inverse);
    box-shadow: 0 4px 16px rgba(2, 60, 133, 0.2);
}

.filter-btn.active::before {
    opacity: 1;
}

/* ===== Projects Grid ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
    min-height: 200px;
}

.projects-grid.hidden {
    display: none;
}

/* ===== Project Card ===== */
.project-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-gray-200);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(2, 60, 133, 0.15);
    border-color: var(--color-primary-light);
}

.project-card.hidden {
    display: none;
}

/* Project Image */
.project-image-wrapper {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--bg-secondary);
    isolation: isolate;
}

.project-status {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.project-status.completed {
    background: rgba(5, 150, 105, 0.9);
    color: var(--text-inverse);
}

.project-status.in-progress {
    background: rgba(251, 191, 36, 0.9);
    color: #000;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: var(--space-6);
    z-index: 5;
    pointer-events: none;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-category {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 10;
}

/* Project Content */
.project-content {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
}

.project-title {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
    flex: 1;
}

.project-location {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.project-location i {
    color: var(--color-primary);
    font-size: var(--text-base);
}

/* Project Details Grid */
.project-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
}

.project-detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.project-detail-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-detail-value {
    font-size: var(--text-base);
    color: var(--text-primary);
    font-weight: 700;
}

/* Project Tags */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: auto;
}

.project-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-secondary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.2s ease;
}

.project-card:hover .project-tag {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
    background: rgba(2, 60, 133, 0.05);
}

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

.projects-loading.hidden {
    display: none;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.projects-loading p {
    color: var(--text-secondary);
    font-size: var(--text-base);
}

/* ===== Empty State ===== */
.projects-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) 0;
    gap: var(--space-4);
    text-align: center;
}

.projects-empty i {
    font-size: 4rem;
    color: var(--color-gray-300);
}

.projects-empty p {
    color: var(--text-secondary);
    font-size: var(--text-lg);
}

/* ===== Project Modal ===== */
.project-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    max-width: 1200px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 1;
    margin: auto;
    display: flex;
    flex-direction: column;
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

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

.modal-body {
    padding: var(--space-8);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.modal-project-header {
    margin-bottom: var(--space-6);
    flex-shrink: 0;
}

.modal-project-description {
    margin-bottom: var(--space-6);
    padding: var(--space-6);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border-right: 4px solid var(--color-primary);
}

.modal-project-description p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

.modal-project-title {
    font-size: var(--text-3xl);
    font-weight: 900;
    color: var(--text-primary);
    margin: 0 0 var(--space-4) 0;
    line-height: 1.2;
}

.modal-project-meta {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.modal-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-size: var(--text-base);
}

.modal-meta-item i {
    color: var(--color-primary);
}

.modal-project-image {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-6);
    background: var(--bg-secondary);
}

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

.modal-project-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.modal-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.modal-detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.modal-detail-item i {
    font-size: var(--text-2xl);
    color: var(--color-primary);
    width: 40px;
    text-align: center;
}

.modal-detail-item div {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.modal-detail-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal-detail-value {
    font-size: var(--text-lg);
    color: var(--text-primary);
    font-weight: 700;
}

.modal-project-tags h3,
.modal-project-gallery h3 {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 var(--space-4) 0;
}

.modal-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.modal-tag {
    padding: var(--space-2) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.modal-project-gallery {
    margin-top: var(--space-4);
}

.modal-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
}

.modal-gallery-item {
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
}

.modal-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.modal-gallery-item:hover img {
    transform: scale(1.1);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--space-5);
    }
}

@media (max-width: 768px) {
    .projects-section {
        padding: var(--space-12) 0;
    }

    .projects-filter {
        gap: var(--space-2);
        margin-bottom: var(--space-8);
    }

    .filter-btn {
        padding: var(--space-2) var(--space-5);
        font-size: var(--text-sm);
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .project-image-wrapper {
        height: 240px;
    }

    .project-content {
        padding: var(--space-5);
    }

    .project-title {
        font-size: var(--text-lg);
    }

    .project-details {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .project-modal {
        padding: var(--space-2);
        align-items: flex-start;
        padding-top: var(--space-4);
    }

    .modal-content {
        max-height: calc(100vh - var(--space-8));
        margin: 0;
        width: calc(100% - var(--space-4));
        border-radius: var(--radius-lg);
    }

    .modal-body {
        padding: var(--space-6);
        padding-top: var(--space-12);
    }

    .modal-project-title {
        font-size: var(--text-2xl);
    }

    .modal-project-image {
        height: 300px;
    }

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

    .modal-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media (max-width: 480px) {
    .projects-section {
        padding: var(--space-10) 0;
    }

    .projects-filter {
        margin-bottom: var(--space-6);
    }

    .filter-btn {
        padding: var(--space-2) var(--space-4);
        font-size: var(--text-xs);
    }

    .project-image-wrapper {
        height: 200px;
    }

    .project-content {
        padding: var(--space-4);
        gap: var(--space-3);
    }

    .project-title {
        font-size: var(--text-base);
    }

    .project-detail-value {
        font-size: var(--text-sm);
    }

    .project-modal {
        padding: var(--space-1);
        padding-top: var(--space-2);
    }

    .modal-content {
        max-height: calc(100vh - var(--space-4));
        margin: 0;
        width: calc(100% - var(--space-2));
        border-radius: var(--radius-md);
    }

    .modal-body {
        padding: var(--space-4);
        padding-top: var(--space-10);
    }

    .modal-project-title {
        font-size: var(--text-xl);
    }

    .modal-project-image {
        height: 250px;
    }

    .modal-detail-grid {
        padding: var(--space-4);
    }

    .modal-detail-item {
        gap: var(--space-3);
    }

    .modal-detail-item i {
        font-size: var(--text-xl);
        width: 32px;
    }

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

    .modal-close {
        width: 36px;
        height: 36px;
        top: var(--space-2);
        left: var(--space-2);
    }
}

/* ===== Image Lightbox ===== */
.image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.image-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(8px);
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 95vw;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-counter {
    margin-top: var(--space-4);
    color: var(--text-inverse);
    font-size: var(--text-lg);
    font-weight: 600;
    background: rgba(0, 0, 0, 0.5);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    z-index: 2;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
    font-size: var(--text-xl);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
    transform: scale(1.1);
}

.lightbox-close {
    top: var(--space-4);
    left: var(--space-4);
}

.lightbox-prev {
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    transform: translateY(-50%) scale(1.1);
}

.modal-gallery-item {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.modal-gallery-item:hover {
    transform: scale(1.05);
}

@media (max-width: 768px) {

    .lightbox-close,
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: var(--text-lg);
    }

    .lightbox-close {
        top: var(--space-2);
        left: var(--space-2);
    }

    .lightbox-prev {
        right: var(--space-2);
    }

    .lightbox-next {
        left: var(--space-2);
    }

    .lightbox-counter {
        font-size: var(--text-base);
        padding: var(--space-1) var(--space-3);
    }
}

@media (max-width: 480px) {

    .lightbox-close,
    .lightbox-prev,
    .lightbox-next {
        width: 36px;
        height: 36px;
        font-size: var(--text-base);
    }

    .lightbox-image {
        max-height: 85vh;
    }
}