/* ========================
   GitHub Integration Styles
======================== */

/* Latest Repositories Grid */
#latest-repos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.repo-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.repo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-color);
    border-color: var(--primary-color);
}

.repo-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.repo-header i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.repo-name {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.125rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.repo-name:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.repo-visibility {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--surface-hover);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    margin-left: auto;
}

.repo-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.repo-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.repo-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.repo-meta i {
    font-size: 0.8rem;
}

.repo-stars i { color: #f59e0b; }
.repo-forks i { color: var(--primary-color); }
.repo-updated i { color: var(--text-muted); }

.language-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

/* GitHub Activity Feed */
#github-activity {
    margin-top: var(--spacing-xl);
}

.activity-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--surface);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.activity-item:hover {
    background: var(--surface-hover);
    border-color: var(--border-color);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-description {
    color: var(--text-primary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

.activity-description strong {
    color: var(--primary-color);
}

.activity-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.no-activity {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
}

/* Language Chart */
#language-chart {
    margin-top: var(--spacing-xl);
}

.language-bar-item {
    margin-bottom: var(--spacing-md);
}

.language-bar-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.language-name {
    color: var(--text-primary);
    font-weight: 500;
}

.language-percent {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.language-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.language-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

/* Contribution Calendar */
#contribution-calendar {
    margin-top: var(--spacing-xl);
}

.calendar-grid {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
}

.calendar-labels {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding-right: var(--spacing-sm);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.calendar-weeks {
    display: flex;
    gap: 3px;
}

.calendar-week {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.calendar-day {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    background: var(--border-color);
    transition: transform var(--transition-fast);
}

.calendar-day:hover {
    transform: scale(1.5);
}

.calendar-day.level-0 { background: var(--border-color); }
.calendar-day.level-1 { background: rgba(79, 70, 229, 0.2); }
.calendar-day.level-2 { background: rgba(79, 70, 229, 0.4); }
.calendar-day.level-3 { background: rgba(79, 70, 229, 0.7); }
.calendar-day.level-4 { background: var(--primary-color); }

[data-theme="dark"] .calendar-day.level-0 { background: var(--surface-hover); }
[data-theme="dark"] .calendar-day.level-1 { background: rgba(99, 102, 241, 0.25); }
[data-theme="dark"] .calendar-day.level-2 { background: rgba(99, 102, 241, 0.5); }
[data-theme="dark"] .calendar-day.level-3 { background: rgba(99, 102, 241, 0.75); }
[data-theme="dark"] .calendar-day.level-4 { background: var(--primary-light); }

.calendar-legend {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.calendar-legend .calendar-day {
    width: 10px;
    height: 10px;
}

/* GitHub Stats Cards */
.github-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.github-stat-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.github-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.github-stat-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.github-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-heading);
}

.github-stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-loaded {
    animation: countUp 0.5s ease-out;
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* GitHub Section Layout */
.github-section {
    background: var(--background-secondary);
}

.github-section-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
}

.github-main {
    min-width: 0;
}

.github-sidebar {
    min-width: 0;
}

.github-sidebar-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.github-sidebar-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.github-sidebar-card h3 i {
    color: var(--primary-color);
}

/* GitHub Error State */
.github-error {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.github-error i {
    font-size: 2rem;
    color: #f59e0b;
    margin-bottom: var(--spacing-md);
}

/* ========================
   Testimonials Section
======================== */

.testimonials-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.testimonials-slider {
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-slide {
    min-width: 100%;
    padding: 0 var(--spacing-lg);
}

.testimonial-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.testimonial-quote {
    font-size: 3rem;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-lg);
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.testimonial-avatar-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.testimonial-info {
    text-align: left;
}

.testimonial-name {
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.testimonial-role {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.testimonial-company {
    font-size: 0.85rem;
    color: var(--primary-color);
}

/* Testimonials Navigation */
.testimonials-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.testimonial-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.testimonial-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.testimonials-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* ========================
   Case Studies Section
======================== */

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.case-study-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.case-study-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.case-study-header {
    background: var(--gradient-secondary);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.case-study-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.case-study-icon {
    font-size: 2.5rem;
    color: white;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.case-study-title {
    color: white;
    font-size: 1.5rem;
    margin: 0;
    position: relative;
    z-index: 1;
}

.case-study-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.case-study-body {
    padding: var(--spacing-xl);
    flex: 1;
}

.case-study-section {
    margin-bottom: var(--spacing-lg);
}

.case-study-section:last-child {
    margin-bottom: 0;
}

.case-study-section h4 {
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.case-study-section p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

.case-study-metrics {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.metric {
    text-align: center;
    flex: 1;
    min-width: 80px;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

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

.case-study-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--surface-hover);
    border-top: 1px solid var(--border-color);
}

.case-study-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.case-study-link:hover {
    color: var(--primary-light);
}

.case-study-link i {
    transition: transform var(--transition-fast);
}

.case-study-link:hover i {
    transform: translateX(5px);
}

/* Case Study Full Page */
.case-study-full {
    padding: var(--spacing-3xl) 0;
}

.case-study-hero {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.case-study-content {
    max-width: 800px;
    margin: 0 auto;
}

.case-study-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.case-study-content p {
    margin-bottom: var(--spacing-lg);
}

.case-study-image {
    width: 100%;
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    box-shadow: 0 10px 30px var(--shadow-color);
}

/* Architecture Diagram */
.architecture-diagram {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.architecture-diagram pre {
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    overflow-x: auto;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .github-section-content {
        grid-template-columns: 1fr;
    }
    
    .github-sidebar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .github-sidebar-card {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    #latest-repos {
        grid-template-columns: 1fr;
    }
    
    .github-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .github-sidebar {
        grid-template-columns: 1fr;
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .github-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .case-study-metrics {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .testimonial-author {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-info {
        text-align: center;
    }
}