/* Projects Section */
.projects {
    background: var(--bg-secondary);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 217, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 128, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    transition: all 0.5s cubic-bezier(0.4, 0.0, 0.2, 1);
    transform: scale(1);
    filter: blur(0px);
}

.project-card {
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
    cursor: pointer;
    transform-style: preserve-3d;
    animation: fadeInUp 0.8s ease-out;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.project-card:hover::before {
    opacity: 0.05;
}

.project-card:hover {
    transform: translateY(-15px) rotateX(5deg);
    box-shadow: 
        var(--shadow-heavy),
        0 0 50px rgba(0, 217, 255, 0.2);
    border-color: rgba(0, 217, 255, 0.5);
}

.project-image {
    height: 200px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.8), rgba(255, 0, 128, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.overlay-icon {
    font-size: 2rem;
    color: white;
    animation: bounceIn 0.5s ease-out;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-header {
    margin-bottom: var(--spacing-md);
}

.project-title {
    font-size: var(--fs-h3);
    font-family: var(--font-tech);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.project-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-primary);
    color: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-size: var(--fs-small);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-category.full-stack {
    background: var(--gradient-primary);
}

.project-category.frontend {
    background: var(--gradient-secondary);
}

.project-category.mobile {
    background: var(--gradient-tertiary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: var(--border-glass);
    border-radius: var(--radius-sm);
    font-size: var(--fs-small);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.project-link {
    padding: var(--spacing-xs) var(--spacing-md);
    border: var(--border-glow);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.project-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.project-status {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--fs-small);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-completed {
    background: var(--accent-tertiary);
    color: var(--bg-primary);
}

.status-in-progress {
    background: var(--accent-warning);
    color: var(--bg-primary);
}

/* Project Modal Content */
.project-modal-content {
    display: grid;
    gap: var(--spacing-lg);
}

.modal-project-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.modal-project-info {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.modal-project-details h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.modal-project-details p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.modal-features {
    list-style: none;
}

.modal-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-md);
}

.modal-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-tertiary);
    font-weight: bold;
}

.modal-project-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-tech-stack {
    background: var(--bg-glass);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: var(--border-glass);
}

.modal-tech-stack h4 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.modal-project-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Filter Animation */
.project-card {
    transition: all 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform, opacity;
}

.project-card.hide {
    opacity: 0;
    transform: scale(0.7) translateY(30px) rotateX(15deg);
    pointer-events: none;
    visibility: hidden;
    position: absolute;
    z-index: -1;
    filter: blur(2px);
}

.project-card.show {
    opacity: 1;
    transform: scale(1) translateY(0) rotateX(0deg);
    pointer-events: auto;
    visibility: visible;
    position: relative;
    z-index: 1;
    filter: blur(0px);
}

/* Floating Project Cards */
.project-card {
    animation: floatCard 6s ease-in-out infinite;
    animation-delay: calc(var(--index) * 0.5s);
}

/* Responsive Projects */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .project-card {
        margin: 0 var(--spacing-sm);
    }
    
    .project-content {
        padding: var(--spacing-md);
    }
    
    .modal-project-info {
        grid-template-columns: 1fr;
    }
    
    .project-links {
        flex-direction: column;
    }
    
    .projects-filter {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        font-size: var(--fs-small);
        padding: var(--spacing-xs);
    }
}