/* Case Studies Page Styles */

/* Hero Section */
.case-studies-hero {
    padding: calc(var(--header-height) + 4rem) 0 4rem;
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Section */
.case-studies-grid-section {
    padding: 4rem 0 8rem;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2rem;
}

@media (max-width: 768px) {
    .case-studies-grid {
        grid-template-columns: 1fr;
        padding: 0 var(--spacing-sm);
    }
}

/* Case Study Card */
.case-study-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.case-study-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.case-study-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--color-bg);
}

.case-study-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-study-card:hover .case-study-image img {
    transform: scale(1.05);
}

.case-study-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-study-card:hover .case-study-overlay {
    opacity: 1;
}

.view-case-study {
    color: #fff;
    font-weight: 600;
    font-size: 1.1rem;
    font-family: var(--font-heading);
}

.case-study-content {
    padding: 2rem;
}

.case-study-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text-main);
}

.case-study-description {
    font-family: var(--font-body);
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.case-study-stats {
    display: flex;
    gap: 1.5rem;
    justify-content: space-between;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

/* Coming Soon Card */
.case-study-card.coming-soon {
    cursor: default;
    opacity: 0.6;
}

.case-study-card.coming-soon:hover {
    transform: none;
    box-shadow: none;
}

.coming-soon-content {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 2rem;
    text-align: center;
}

.coming-soon-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text-muted);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    overflow-y: auto;
    padding: 2rem;
}

.modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    max-width: 900px;
    width: 100%;
    margin: 2rem auto;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 100;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--color-text-main);
}

.modal-body {
    padding: 3rem;
    max-height: 80vh;
    overflow-y: auto;
}

/* Modal Content Styles */
.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

.modal-header .industry {
    font-family: var(--font-body);
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.modal-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

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

.modal-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-heading);
    display: block;
    margin-bottom: 0.5rem;
}

.modal-stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-section {
    margin: 3rem 0;
}

.modal-section h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
}

.modal-section ul {
    list-style: none;
    padding: 0;
}

.modal-section li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--color-text-main);
    line-height: 1.6;
}

.modal-section li:last-child {
    border-bottom: none;
}

.modal-section li::before {
    content: '✓';
    color: #8b5cf6;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.highlight-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.highlight-item {
    background: var(--color-bg);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.highlight-item h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.highlight-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-body {
        padding: 2rem 1.5rem;
    }
    
    .modal-stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .site-nav {
        display: none;
    }
}