/* Portfolio Page Specific Styles */

/* Portfolio Hero */
.portfolio-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 180px 0 80px;
    background: var(--bg-primary);
}

.portfolio-hero .hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.portfolio-hero .hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
}

.portfolio-hero .hero-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Portfolio Stats Summary */
.portfolio-stats-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.portfolio-stats-summary .stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: all 0.3s;
}

.portfolio-stats-summary .stat-item:hover {
    transform: translateY(-5px);
    border-color: #667eea;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.portfolio-stats-summary .stat-number {
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.portfolio-stats-summary .stat-label {
    font-size: 16px;
    color: var(--text-secondary);
}

/* Filter Section */
.filter-section {
    padding: 40px 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.filter-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.filter-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.btn-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 14px;
}

/* Sort Dropdown */
.sort-dropdown {
    position: relative;
}

.sort-trigger {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s;
}

.sort-trigger:hover {
    background: rgba(255, 255, 255, 0.08);
}

.sort-options {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
}

.sort-dropdown.active .sort-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sort-option {
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 16px;
    text-align: left;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s;
}

.sort-option:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.sort-option.active {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

/* Portfolio Grid */
.portfolio-grid-section {
    padding: 80px 0;
    background: var(--bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

/* Portfolio Card */
.portfolio-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(102, 126, 234, 0.3);
}

.card-header {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-color);
}

.client-info {
    display: flex;
    gap: 16px;
    align-items: center;
}

.client-logo {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    color: white;
}

.client-details h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.client-details p {
    color: var(--text-secondary);
    font-size: 14px;
}

.project-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.project-badge.success {
    background: rgba(68, 255, 68, 0.2);
    color: #44ff44;
}

/* Card Metrics */
.card-metrics {
    padding: 24px;
}

.metric-row {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
}

.metric {
    flex: 1;
}

.metric-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.metric-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Result Showcase */
.result-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.result-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-icon.up {
    background: rgba(68, 255, 68, 0.1);
    color: #44ff44;
}

.result-icon.down {
    background: rgba(68, 255, 68, 0.1);
    color: #44ff44;
}

.result-content {
    flex: 1;
}

.result-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.result-icon.up + .result-content .result-number {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.result-icon.down + .result-content .result-number {
    color: #44ff44;
}

.result-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Card Graph */
.card-graph {
    padding: 0 24px 24px;
    height: 200px;
}

.traffic-chart {
    width: 100%;
    height: 100%;
}

/* Card Keywords */
.card-keywords {
    padding: 0 24px 24px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.keyword {
    padding: 6px 12px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 16px;
    font-size: 14px;
}

/* Card Footer */
.card-footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.detail-btn {
    width: 100%;
    padding: 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s;
}

.detail-btn:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateX(0);
}

.detail-btn:hover svg {
    transform: translateX(5px);
}

/* Load More */
.load-more-wrapper {
    text-align: center;
}

.load-more-btn {
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s;
}

.load-more-btn:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

/* Case Study Modal */
.case-study-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
}

.case-study-modal.active {
    display: block;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 1;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.modal-header {
    padding: 40px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 32px;
    font-weight: 700;
}

.modal-body {
    padding: 40px;
    overflow-y: auto;
    flex: 1;
}

/* Success Metrics Section */
.success-metrics-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.metric-card {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: all 0.3s;
}

.metric-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.metric-icon {
    margin-bottom: 24px;
}

.metric-card .metric-value {
    font-size: 56px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.metric-card .metric-label {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.metric-desc {
    font-size: 16px;
    color: var(--text-secondary);
}

/* Process Timeline Section */
.process-timeline-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.process-timeline {
    position: relative;
    margin-top: 80px;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--primary-color), transparent);
    transform: translateX(-50%);
}

.process-step {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
    position: relative;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    flex: 0 0 120px;
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    color: white;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.step-content {
    flex: 1;
    max-width: 400px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: all 0.3s;
}

.step-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.step-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.step-duration {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Portfolio CTA Section */
.portfolio-cta-section {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
}

.portfolio-cta-section .cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.portfolio-cta-section .cta-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
}

.portfolio-cta-section .cta-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 48px;
}

.portfolio-cta-section .cta-button {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 24px 48px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    font-size: 20px;
    font-weight: 600;
    border-radius: 60px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.portfolio-cta-section .cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
}

.btn-bg {
    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;
}

.portfolio-cta-section .cta-button:hover .btn-bg {
    left: 100%;
}

/* Animations */
.portfolio-item {
    opacity: 0;
    transform: translateY(30px);
}

.portfolio-item.show {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease-out;
}

/* Filter Animation */
.portfolio-item.hide {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
        gap: 30px;
    }
    
    .process-step {
        gap: 40px;
    }
    
    .step-number {
        width: 100px;
        height: 100px;
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    /* Portfolio Hero */
    .portfolio-hero {
        padding: 140px 0 60px;
    }
    
    .portfolio-hero .hero-title {
        font-size: 40px;
    }
    
    .portfolio-hero .hero-subtitle {
        font-size: 18px;
    }
    
    /* Stats Summary */
    .portfolio-stats-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .portfolio-stats-summary .stat-number {
        font-size: 36px;
    }
    
    /* Filter Section */
    .filter-section {
        position: static;
        padding: 30px 0;
    }
    
    .filter-wrapper {
        flex-direction: column;
        gap: 20px;
    }
    
    .filter-buttons {
        width: 100%;
        justify-content: center;
    }
    
    /* Portfolio Grid */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Process Timeline */
    .timeline-line {
        display: none;
    }
    
    .process-step {
        flex-direction: column !important;
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .step-number {
        flex: 0 0 80px;
        width: 80px;
        height: 80px;
        font-size: 24px;
    }
    
    .step-content {
        max-width: 100%;
    }
    
    /* Metrics Grid */
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* CTA Section */
    .portfolio-cta-section .cta-title {
        font-size: 36px;
    }
    
    .portfolio-cta-section .cta-subtitle {
        font-size: 18px;
    }
    
    .portfolio-cta-section .cta-button {
        font-size: 18px;
        padding: 20px 32px;
    }
}

@media (max-width: 480px) {
    .portfolio-hero .hero-title {
        font-size: 32px;
    }
    
    .portfolio-stats-summary {
        grid-template-columns: 1fr;
    }
    
    .filter-btn {
        font-size: 14px;
        padding: 10px 20px;
    }
    
    .card-header {
        padding: 20px;
    }
    
    .client-logo {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
    
    .client-details h3 {
        font-size: 18px;
    }
    
    .result-showcase {
        grid-template-columns: 1fr;
    }
    
    .result-number {
        font-size: 20px;
    }
    
    .metric-card {
        padding: 30px 20px;
    }
    
    .metric-card .metric-value {
        font-size: 40px;
    }
}

/* Custom Scrollbar for Modal */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.modal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Loading State for Portfolio Items */
.portfolio-item.loading {
    position: relative;
    overflow: hidden;
}

.portfolio-item.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: loading-sweep 1.5s infinite;
}

@keyframes loading-sweep {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Chart.js Custom Styling */
.traffic-chart {
    max-height: 200px;
}

/* Hover Effects */
.portfolio-card:hover .client-logo {
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.portfolio-card:hover .keyword {
    background: rgba(102, 126, 234, 0.2);
}

/* Print Styles */
@media print {
    .filter-section,
    .load-more-wrapper,
    .portfolio-cta-section {
        display: none;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}