/* Projects Page Specific Styles */

/* Projects Hero */
.projects-hero {
    display: flex;
    align-items: center;
    min-height: 80vh;
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.projects-hero .hero-content {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Filter Section */
.filter-section {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 60px;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.filter-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

.search-container {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 3rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    left: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Projects Grid */
.projects-section {
    padding: var(--spacing-2xl) 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.project-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.project-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 255, 0.05) 100%);
    border-color: rgba(0, 212, 255, 0.2);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-icon {
    font-size: 2rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
}

.project-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-status {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-primary);
}

.project-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
}

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

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.project-stats {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-item svg {
    width: 14px;
    height: 14px;
}

.project-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-github,
.btn-demo,
.btn-paper {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    background: transparent;
    color: var(--text-primary);
}

.btn-github:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-demo {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.btn-demo:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-paper {
    border-color: rgba(124, 58, 237, 0.3);
    color: #a855f7;
}

.btn-paper:hover {
    background: rgba(124, 58, 237, 0.1);
}

/* Load More */
.load-more-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.btn-load-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-load-more:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-primary);
}

/* Contribute Section */
.contribute-section {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contribute-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.contribute-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.contribute-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 212, 255, 0.3);
}

.contribute-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.contribute-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.contribute-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.btn-contribute {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-contribute:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

/* Navigation Active State */
.nav-link.active {
    color: var(--accent-primary);
}

.logo-link {
    text-decoration: none;
}

/* Loading and Fallback States */
.loading-indicator,
.fallback-message {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.loading-card,
.fallback-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    max-width: 400px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 212, 255, 0.1);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.fallback-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.fallback-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-family: 'Space Grotesk', sans-serif;
}

.fallback-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.fallback-card a {
    color: var(--accent-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.fallback-card a:hover {
    border-bottom-color: var(--accent-primary);
}

/* GitHub Integration Enhancements */
.project-card.loading {
    opacity: 0.7;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 0.4;
    }
}

/* Enhanced project card for featured repos */
.project-card.featured .project-title::after {
    content: " ⭐";
    color: var(--accent-primary);
    opacity: 0.8;
}

/* Improved hover states for buttons */
.btn-github svg,
.btn-demo svg {
    transition: transform 0.3s ease;
}

.btn-github:hover svg,
.btn-demo:hover svg {
    transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .projects-hero {
        padding: var(--spacing-xl) var(--spacing-sm);
        min-height: 60vh;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .stat {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .filter-controls {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card.featured {
        grid-column: span 1;
    }
    
    .project-actions {
        flex-wrap: wrap;
    }
    
    .contribute-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation for counting numbers */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-number.animate {
    animation: countUp 0.8s ease;
}

/* Project card entrance animation */
.project-card {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}