/* public/css/case-studies.css - Case studies overview page styles */

/* Main Layout */
.case-studies-main {
    padding-top: 100px;
}

/* Hero Section */
.case-studies-hero {
    padding: 80px 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.case-studies-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 70%)
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.title-highlight {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: #fbbf24;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* Featured Cases Section */
.featured-cases {
    padding: 80px 0;
    background: var(--bg-card);
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 60px;
}

.section-title i {
    color: var(--primary-color);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

/* Case Card */
.case-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.02), rgba(168, 85, 247, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-card:hover::before {
    opacity: 1;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.case-card.featured {
    border: 2px solid transparent;
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
        linear-gradient(135deg, #fbbf24, #f59e0b) border-box;
}

/* Case Header */
.case-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.case-avatar {
    position: relative;
    flex-shrink: 0;
}

.case-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border-primary);
}

.success-badge {
    position: absolute;
    bottom: -5px;
    right: -5px;
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    border: 2px solid var(--bg-primary);
}

.success-badge.nft {
    background: linear-gradient(135deg, #f59e0b, #eab308);
}

.case-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.case-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.case-location {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 13px;
}

.case-location i {
    color: var(--primary-color);
}

/* Case Story */
.case-story {
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.case-story h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.case-story p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
}

/* Case Metrics */
.case-metrics {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    position: relative;
    z-index: 1;
}

.metric {
    text-align: center;
    flex: 1;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Case Tags */
.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border-primary);
}

.tag.nft {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border-color: rgba(245, 158, 11, 0.3);
}

/* Case Link */
.case-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.case-link:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.3);
}

.case-link i {
    transition: transform 0.3s ease;
}

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

/* Categories Section */
.categories-section {
    padding: 80px 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-card.gaming::before {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(16, 185, 129, 0.05));
}

.category-card.nft::before {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(234, 179, 8, 0.05));
}

.category-card.ecommerce::before {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(29, 78, 216, 0.05));
}

.category-card.social::before {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.05), rgba(147, 51, 234, 0.05));
}

.category-card:hover::before {
    opacity: 1;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.category-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    position: relative;
    z-index: 1;
}

.category-card.gaming .category-icon {
    background: linear-gradient(135deg, #22c55e, #10b981);
    color: white;
}

.category-card.nft .category-icon {
    background: linear-gradient(135deg, #f59e0b, #eab308);
    color: white;
}

.category-card.ecommerce .category-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.category-card.social .category-icon {
    background: linear-gradient(135deg, #a855f7, #9333ea);
    color: white;
}

.category-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.category-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.category-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    position: relative;
    z-index: 1;
}

.category-stats span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.category-link:hover {
    color: var(--primary-dark);
}

.category-link i {
    transition: transform 0.3s ease;
}

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

/* Metrics Section */
.metrics-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.metric-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    flex-shrink: 0;
}

.metric-content h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.metric-content p {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 8px;
}

.metric-growth {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 600;
}

.metric-growth i {
    color: #22c55e;
}

.metric-growth i.fa-arrow-down {
    color: #ef4444;
}

.metric-growth span {
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--bg-card);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary-large,
.btn-outline-large {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 18px 36px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 200px;
    justify-content: center;
}

.btn-primary-large {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: 2px solid transparent;
}

.btn-primary-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(var(--primary-rgb), 0.4);
}

.btn-outline-large {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-primary);
}

.btn-outline-large:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-stats {
        gap: 40px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .section-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 8px;
    }

    .case-header {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .case-metrics {
        flex-direction: column;
        gap: 16px;
    }

    .metric {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-primary);
    }

    .metric:last-child {
        border-bottom: none;
    }

    .category-stats {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .metric-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .case-card {
        padding: 24px 20px;
    }

    .case-avatar img {
        width: 60px;
        height: 60px;
    }

    .success-badge {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }

    .category-card {
        padding: 24px 20px;
    }

    .category-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .metric-card {
        padding: 20px;
    }

    .metric-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .metric-content h3 {
        font-size: 1.75rem;
    }
}

/* Print Styles */
@media print {

    .case-studies-hero::before,
    .cta-section {
        display: none;
    }

    .case-studies-hero {
        background: none;
        color: #000;
    }

    .case-card,
    .category-card,
    .metric-card {
        break-inside: avoid;
        page-break-inside: avoid;
        box-shadow: none;
        border: 2px solid #000;
    }
}

/* Animation for cards */
@keyframes cardSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.case-card,
.category-card,
.metric-card {
    animation: cardSlideUp 0.6s ease-out;
}

.case-card:nth-child(1) {
    animation-delay: 0.1s;
}

.case-card:nth-child(2) {
    animation-delay: 0.2s;
}

.case-card:nth-child(3) {
    animation-delay: 0.3s;
}

.category-card:nth-child(1) {
    animation-delay: 0.1s;
}

.category-card:nth-child(2) {
    animation-delay: 0.2s;
}

.category-card:nth-child(3) {
    animation-delay: 0.3s;
}

.category-card:nth-child(4) {
    animation-delay: 0.4s;
}

/* Hover effects for better UX */
.case-card:hover .case-avatar img {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.category-card:hover .category-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.metric-card:hover .metric-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

/* Focus states for accessibility */
.case-link:focus,
.category-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states */
.case-card.loading {
    opacity: 0.7;
    pointer-events: none;
}

.case-card.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.tag.traffic {
    background: rgba(14, 165, 233, 0.1);
    color: #0ea5e9;
    border-color: rgba(14, 165, 233, 0.3);
}

.success-badge.traffic {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
}

/* Success highlighting */
.case-card.featured .metric-value {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {

    .case-card::before,
    .category-card::before {
        opacity: 0.3;
    }

    .case-avatar img {
        border-color: rgba(255, 255, 255, 0.2);
    }
}

/* Thêm vào case-studies.css */
.tag.card {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
    border-color: rgba(168, 85, 247, 0.3);
}

.success-badge.card {
    background: linear-gradient(135deg, #a855f7, #8b5cf6);
}