/* Optimized Projects Section - Performance Enhanced */

/* Remove heavy animations and use CSS transforms for better performance */
.projects-optimized {
    padding: 80px 0;
    background: #1d262e; /* Primary color */
}

.projects-optimized .section-title {
    margin-bottom: 60px;
    text-align: center;
}

/* Lightweight project grid - no carousel dependencies */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

/* Optimized project card */
.project-card-optimized {
    position: relative;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
    backface-visibility: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-card-optimized:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.5);
}

/* Image container with lazy loading support */
.project-image-container {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: #f0f0f0;
    display: block;
    text-decoration: none;
    cursor: pointer;
}

.project-image-container:hover {
    text-decoration: none;
}

.project-image-optimized {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    will-change: transform;
}

.project-card-optimized:hover .project-image-optimized {
    transform: scale(1.05);
}

/* Lazy loading placeholder */
.project-image-optimized[data-src] {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Project overlay */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.9), rgba(0, 86, 179, 0.9));
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image-container:hover .project-overlay {
    opacity: 1;
}

/* Overlay content styling */
.overlay-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: transform 0.3s ease;
}

.overlay-content i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.project-image-container:hover .overlay-content {
    transform: translateY(-2px);
}

.project-image-container:hover .overlay-content i {
    transform: translateX(3px);
}

/* Project content */
.project-content {
    padding: 25px;
    position: relative;
}

.project-title {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
    line-height: 1.3;
}

.project-description {
    font-size: 14px;
    color: #b0bec5;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Project Meta Row */
.project-meta-row {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: nowrap;
    width: 100%;
    height: auto;
    min-height: 32px;
}

.project-category {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(29, 78, 216, 0.15));
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    font-size: 12px;
    color: #3b82f6;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    flex-shrink: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    min-width: fit-content;
    height: 32px;
    line-height: 1;
}

.project-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.project-card-optimized:hover .project-category::before {
    left: 100%;
}

.project-card-optimized:hover .project-category {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(29, 78, 216, 0.25));
    border-color: rgba(59, 130, 246, 0.5);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* View all projects button */
.view-all-projects {
    text-align: center;
    margin-top: 50px;
}

.view-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.view-all-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #3b82f6;
    color: #3b82f6;
    text-decoration: none;
    transform: translateY(-2px);
}

/* Loading state */
.projects-loading {
    text-align: center;
    padding: 60px 0;
    color: #87ceeb;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive design */
@media (max-width: 768px) {
    .projects-optimized {
        padding: 60px 0;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .project-image-container {
        height: 200px;
    }
    
    .project-content {
        padding: 20px;
    }
    
    .project-title {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .projects-optimized {
        padding: 40px 0;
    }
    
    .project-content {
        padding: 15px;
    }
    
    .project-title {
        font-size: 16px;
    }
    
    .project-btn-optimized {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .project-meta-row {
        gap: 10px;
        flex-wrap: nowrap;
    }
    
    .project-category {
        font-size: 11px;
        padding: 5px 10px;
    }
}

/* Performance optimizations */
.project-card-optimized * {
    box-sizing: border-box;
}

/* Reduce repaints and reflows */
.project-card-optimized,
.project-image-optimized,
.project-overlay {
    transform: translateZ(0);
}

/* Disable animations on low-end devices */
@media (prefers-reduced-motion: reduce) {
    .project-card-optimized,
    .project-image-optimized,
    .project-overlay,
    .project-btn-optimized {
        transition: none;
        animation: none;
    }
    
    .project-card-optimized:hover {
        transform: none;
    }
    
    .project-card-optimized:hover .project-image-optimized {
        transform: none;
    }
}