/* CSS يبقى كما هو مع إضافة تحسينات طفيفة للأنيميشن على الموبايل */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    height: 250px;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 26, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    padding: 20px;
    text-align: center;
}

.light-mode .portfolio-overlay {
    background: rgba(240, 242, 245, 0.8);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    color: var(--text-gray);
    margin-bottom: 15px;
}

.projects-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.category-btn {
    padding: 10px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.category-btn.active, .category-btn:hover {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.15s ease;
    cursor: pointer;
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 180, 255, 0.2);
}

.light-mode .project-card:hover {
    box-shadow: 0 15px 30px rgba(0, 119, 204, 0.15);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.15s ease;
}

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

.project-content {
    padding: 20px;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.project-content p {
    color: var(--text-gray);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

/* مودال المشاريع */
.project-modal {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    position: relative;
    transform: scale(0.8);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
    box-shadow: 0 0 30px rgba(0, 180, 255, 0.3);
}

.modal-overlay.active .project-modal {
    transform: scale(1);
    opacity: 1;
}

.project-modal-image {
    width: 100%;
    height: 300px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

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

.project-modal-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--accent-cyan);
}

.project-modal-content p {
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.project-modal-features {
    margin: 20px 0;
}

.project-modal-features h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--accent-cyan);
}

.project-modal-features ul {
    list-style: none;
    padding-left: 20px;
}

.project-modal-features li {
    color: var(--text-gray);
    margin-bottom: 8px;
    position: relative;
}

.project-modal-features li::before {
    content: '▸';
    color: var(--accent-cyan);
    position: absolute;
    left: -20px;
}

.project-modal-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.15s ease;
}

.project-modal-link:hover {
    color: var(--accent-blue);
}

@media (max-width: 768px) {
    .project-modal {
        padding: 20px;
    }

    .project-modal-image {
        height: 200px;
    }
    
    /* تحسينات إضافية للشاشات الصغيرة */
    .projects-grid {
        gap: 20px;
    }
    
    .project-card {
        transition: all 0.1s ease; /* أنيميشن أسرع على الموبايل */
    }
}

@media (max-width: 576px) {
    .projects-categories {
        gap: 10px;
    }

    .category-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}