/* ===== PROJECTS PAGE STYLES ===== */

/* ===== PROJECTS HEADER ===== */
.projects-header {
    padding: var(--space-20) 0 var(--space-16) 0;
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    margin-top: 80px;
    text-align: center;
}

.projects-intro h1 {
    font-size: 3.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--space-4);
    font-family: 'JetBrains Mono', monospace;
    background: linear-gradient(135deg, var(--white), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.projects-subtitle {
    font-size: 1.3rem;
    color: var(--gray-300);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.projects-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.stat-item {
    text-align: center;
    background: var(--bg-card);
    padding: var(--space-5);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.3);
    backdrop-filter: blur(10px);
    min-width: 120px;
    transition: var(--transition-slow);
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* ===== FILTER SECTION ===== */
.projects-filter {
    padding: var(--space-12) 0;
    background: var(--bg-secondary);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-card);
    color: var(--gray-300);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    color: var(--white);
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* ===== PROJECTS GRID ===== */
.projects-section {
    padding: var(--space-16) 0;
    background: var(--bg-secondary);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

/* ===== PROJECT CARDS ===== */
.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: var(--transition-slow);
    position: relative;
    opacity: 1;
    transform: translateY(0);
}

.project-card.featured {
    border-color: var(--data-color);
    background: rgba(139, 92, 246, 0.05);
    position: relative;
}

.project-card.featured::before {
    content: '★ FEATURED';
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--data-color);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
    letter-spacing: 0.5px;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

.project-card.featured:hover {
    border-color: var(--data-color);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

/* ===== PROJECT IMAGE ===== */
.project-image {
    height: 240px;
    overflow: hidden;
    position: relative;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.8) 0%, 
        rgba(139, 92, 246, 0.8) 100%);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.project-tech-icons {
    display: flex;
    gap: var(--space-4);
}

.project-tech-icons i {
    font-size: 2rem;
    color: var(--white);
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

/* ===== PROJECT CONTENT ===== */
.project-content {
    padding: var(--space-6);
}

.project-category {
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(59, 130, 246, 0.1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    display: inline-block;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.project-content h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: var(--space-3);
    font-weight: 600;
    line-height: 1.3;
}

.project-content p {
    color: var(--gray-300);
    margin-bottom: var(--space-5);
    line-height: 1.7;
    font-size: 0.95rem;
}

.project-tech {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.project-tech span {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-color);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.25);
    transition: var(--transition);
}

.project-tech span:hover {
    background: rgba(59, 130, 246, 0.25);
    color: var(--white);
    transform: translateY(-1px);
}

/* ===== PROJECT LINKS ===== */
.project-links {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.project-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-2) var(--space-4);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: rgba(59, 130, 246, 0.05);
    backdrop-filter: blur(10px);
    font-size: 0.9rem;
}

.project-link:hover {
    color: var(--white);
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.demo-link {
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--secondary-color);
    background: rgba(16, 185, 129, 0.05);
}

.demo-link:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.link-icon {
    font-size: 1rem;
}

/* ===== LOAD MORE SECTION ===== */
.load-more-section {
    text-align: center;
    margin-top: var(--space-16);
}

.load-more-btn {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    margin-bottom: var(--space-6);
}

.load-more-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.github-link {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-top: var(--space-4);
}

.github-link span {
    margin-right: var(--space-2);
}

.github-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--white);
    text-decoration: none;
    background: #333;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid #444;
}

.github-btn:hover {
    background: #444;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.github-icon {
    font-size: 1.1rem;
}

/* ===== FILTER ANIMATIONS ===== */
.project-card.hidden {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* ===== LOADING STATE ===== */
.projects-grid.loading {
    opacity: 0.6;
    pointer-events: none;
}

.projects-grid.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .projects-intro h1 {
        font-size: 3rem;
    }
    
    .projects-stats {
        gap: var(--space-6);
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--space-6);
    }
    
    .filter-buttons {
        gap: var(--space-2);
    }
    
    .filter-btn {
        padding: var(--space-2) var(--space-4);
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .projects-header {
        padding: var(--space-16) 0 var(--space-12) 0;
        margin-top: 75px;
    }
    
    .projects-intro h1 {
        font-size: 2.5rem;
    }
    
    .projects-subtitle {
        font-size: 1.1rem;
    }
    
    .projects-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--space-4);
    }
    
    .stat-item {
        min-width: 200px;
        padding: var(--space-4);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-2);
    }
    
    .filter-btn {
        min-width: 200px;
        text-align: center;
    }
    
    .project-content {
        padding: var(--space-5);
    }
    
    .project-links {
        flex-direction: column;
    }
    
    .project-link {
        justify-content: center;
        text-align: center;
    }
    
    .load-more-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .projects-header {
        padding: var(--space-12) 0 var(--space-10) 0;
        margin-top: 70px;
    }
    
    .projects-intro h1 {
        font-size: 2rem;
    }
    
    .projects-subtitle {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-item {
        min-width: 150px;
        padding: var(--space-3);
    }
    
    .project-image {
        height: 200px;
    }
    
    .project-content {
        padding: var(--space-4);
    }
    
    .project-content h3 {
        font-size: 1.3rem;
    }
    
    .project-tech-icons i {
        font-size: 1.5rem;
    }
    
    .filter-btn {
        min-width: 180px;
    }
    
    .projects-section {
        padding: var(--space-12) 0;
    }
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
    .project-card,
    .project-image img,
    .project-overlay,
    .project-tech span,
    .project-link,
    .filter-btn {
        transition: none !important;
        animation: none !important;
    }
    
    .project-card:hover {
        transform: none !important;
    }
}

/* ===== FOCUS STATES ===== */
.filter-btn:focus,
.project-link:focus,
.load-more-btn:focus,
.github-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

/* ===== PRINT STYLES ===== */
@media print {
    .projects-header,
    .projects-filter,
    .load-more-section {
        display: none !important;
    }
    
    .projects-section {
        background: white !important;
        color: black !important;
    }
    
    .project-card {
        border: 1px solid #ddd !important;
        background: #f9f9f9 !important;
        break-inside: avoid;
        margin-bottom: 2rem;
    }
    
    .project-content h3,
    .project-category {
        color: black !important;
    }
    
    .project-content p {
        color: #333 !important;
    }
    
    .project-overlay {
        display: none !important;
    }
}

/* ===== SMOOTH ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.project-card {
    animation: fadeInUp 0.6s ease-out;
}

.filter-btn {
    animation: fadeInScale 0.4s ease-out;
}

/* ===== END OF PROJECTS CSS ===== */