/* ================================
   Current Projects Section
   ================================ */

.current-projects-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, 
        rgba(39, 64, 96, 0.05) 0%,
        rgba(51, 92, 129, 0.03) 50%,
        rgba(27, 40, 69, 0.05) 100%
    );
    position: relative;
}

.current-projects-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(101, 175, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(88, 153, 226, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-card.featured {
        grid-row: span 2;
    }
}

@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .project-card.featured {
        grid-row: span 1;
        grid-column: span 2;
    }
}

/* Project Cards */
.project-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(101, 175, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.project-card.featured {
    background: linear-gradient(135deg,
        rgba(101, 175, 255, 0.1) 0%,
        rgba(88, 153, 226, 0.05) 100%
    );
    border: 1px solid rgba(101, 175, 255, 0.2);
}

.project-card.featured::after {
    content: '주력 프로젝트';
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Project Status */
.project-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.status-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.running {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.status-badge.active {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.status-badge.consulting {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.progress-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Project Icon */
.project-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: block;
    transition: transform 0.3s ease;
}

.project-card:hover .project-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Project Content */
.project-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

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

/* Project Highlights */
.project-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 480px) {
    .project-highlights {
        grid-template-columns: repeat(3, 1fr);
    }
}

.highlight-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: var(--spacing-sm);
    text-align: center;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(101, 175, 255, 0.1);
    border-color: rgba(101, 175, 255, 0.3);
}

.highlight-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 2px;
    font-weight: 500;
}

.highlight-value {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 700;
}

/* Project Metrics */
.project-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.metric {
    text-align: center;
}

.metric-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 500;
}

/* Project Results */
.project-results {
    margin-bottom: var(--spacing-lg);
}

.result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.result-item:hover {
    background: rgba(101, 175, 255, 0.08);
    transform: translateX(4px);
}

.result-icon {
    font-size: 1.2rem;
}

.result-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Project Tech Tags */
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.project-tech .tech-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.project-tech .tech-tag:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.tech-tag.make {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
}

.tech-tag.notion {
    background: linear-gradient(135deg, #ffffff, #f3f4f6);
    color: #1f2937;
}

.tech-tag.javascript {
    background: linear-gradient(135deg, #f7df1e, #e6c200);
    color: #1f2937;
}

.tech-tag.ai {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    color: white;
}

.tech-tag.n8n {
    background: linear-gradient(135deg, #ea384c, #d63384);
    color: white;
}

.tech-tag.consulting {
    background: linear-gradient(135deg, #17a2b8, #138496);
    color: white;
}

/* Projects Summary */
.projects-summary {
    background: linear-gradient(135deg,
        rgba(39, 64, 96, 0.1) 0%,
        rgba(27, 40, 69, 0.05) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.projects-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.summary-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.summary-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.summary-cta .cta-button {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(101, 175, 255, 0.3);
}

.summary-cta .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(101, 175, 255, 0.4);
}

/* Responsive */
@media (max-width: 767px) {
    .current-projects-section {
        padding: var(--spacing-3xl) 0;
    }
    
    .project-card {
        padding: var(--spacing-xl);
    }
    
    .project-card.featured::after {
        font-size: 0.6rem;
        padding: 3px 8px;
    }
    
    .project-highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .project-metrics {
        justify-content: center;
        gap: var(--spacing-xl);
    }
    
    .projects-summary {
        padding: var(--spacing-xl);
    }
}

/* Performance optimizations */
.project-card {
    contain: layout style paint;
}

.project-icon,
.tech-tag,
.result-item {
    will-change: transform;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .project-card,
    .project-icon,
    .tech-tag,
    .result-item,
    .projects-summary::before {
        animation: none;
        transition: none;
    }
    
    .project-card:hover {
        transform: none;
    }
}