/* Visualization Components */
.skills-chart-container {
    position: relative;
    height: 400px;
    margin: 2rem 0;
    background: var(--background-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

.metric-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.metric-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.metric-value {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.metric-label {
    display: block;
    font-size: 0.9rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.project-visualization {
    position: relative;
    height: 300px;
    background: var(--light-gray);
    border-radius: 8px;
    overflow: hidden;
    margin: 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.viz-canvas {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
}

.project-metrics {
    display: flex;
    gap: 1.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.project-metrics .metric {
    text-align: center;
    flex: 1;
    min-width: 120px;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 8px;
}

.project-metrics .metric-value {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent-color);
    display: block;
    margin-bottom: 0.3rem;
}

.project-metrics .metric-label {
    font-size: 0.8rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Interactive Elements */
.interactive-demo {
    border: 2px dashed var(--border-color);
    padding: 2rem;
    margin: 1.5rem 0;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    background: var(--light-gray);
}

.interactive-demo:hover {
    border-color: var(--accent-color);
    background: var(--background-color);
    transform: translateY(-2px);
}

.interactive-demo h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.interactive-demo p {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.demo-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
}

.demo-button:hover {
    background: #0770c4;
    transform: translateY(-2px);
}

/* Loading States */
.viz-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.viz-loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 1rem;
}

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

/* Chart containers */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1.5rem 0;
    background: var(--background-color);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.chart-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

/* Data visualization specific styles */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.data-card {
    background: var(--background-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.data-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.data-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.data-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.data-label {
    color: var(--secondary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-metrics {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .metric-value {
        font-size: 2.5rem;
    }
    
    .project-metrics {
        flex-direction: column;
        gap: 1rem;
    }
    
    .project-visualization {
        height: 250px;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .data-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation classes for scroll effects */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays */
.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }
.fade-in:nth-child(5) { transition-delay: 0.5s; }