/* Case Studies Section */
.case-studies {
    padding: 8rem 0;
    background: linear-gradient(135deg, rgba(18, 18, 18, 0.95) 0%, rgba(30, 30, 30, 0.9) 100%);
    position: relative;
    overflow: hidden;
}

/* Animated background particles */
.case-studies::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 178, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(123, 97, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 51, 102, 0.02) 0%, transparent 50%);
    animation: backgroundShift 20s ease-in-out infinite alternate;
    z-index: 1;
}

@keyframes backgroundShift {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 0.7;
    }
    100% {
        transform: scale(1.1) rotate(2deg);
        opacity: 1;
    }
}

.case-studies-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--content-padding);
    position: relative;
    z-index: 2;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.case-studies-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Case Studies Grid */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    margin-bottom: 5rem;
}

/* Case Study Card */
.case-study-card {
    background: rgba(30, 30, 30, 0.8);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(0, 255, 178, 0.1);
    backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 380px;
}

.case-study-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 255, 178, 0.05) 0%, 
        rgba(123, 97, 255, 0.03) 50%, 
        rgba(255, 51, 102, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

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

.case-study-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--color-primary);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(0, 255, 178, 0.2);
}

/* Featured card styling */
.case-study-card.featured {
    border: 2px solid var(--color-primary);
    background: rgba(0, 255, 178, 0.05);
}

.case-study-card.featured::after {
    content: 'PARTNERED';
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-background);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    z-index: 3;
}

/* Case Study Visual */
.case-study-visual {
    height: 120px;
    background: linear-gradient(135deg, rgba(0, 255, 178, 0.15) 0%, rgba(123, 97, 255, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Lighter background for featured card to improve logo visibility */
.case-study-card.featured .case-study-visual {
    background: linear-gradient(135deg, rgba(0, 255, 178, 0.25) 0%, rgba(123, 97, 255, 0.2) 100%);
}

.case-study-icon {
    font-size: 3rem;
    color: var(--color-primary);
    z-index: 2;
    position: relative;
    transition: transform 0.4s ease;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-study-card:hover .case-study-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Case Study Logo styling */
.case-study-logo {
    width: 100px !important;
    height: 100px !important;
    max-width: 100px;
    max-height: 100px;
    object-fit: contain;
    transition: transform 0.4s ease;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    display: block;
}

/* Adjust UserGroups logo to match size of other logos */
.case-study-logo[src*="usergroups"] {
    width: 80px !important;
    height: 80px !important;
    max-width: 80px;
    max-height: 80px;
}

.case-study-card:hover .case-study-logo {
    transform: scale(1.1);
}

/* Lottie animation container sizing - matching products page */
#crawlr-lottie-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#crawlr-lottie-icon svg {
    width: 100% !important;
    height: 100% !important;
}

.case-study-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(0, 255, 178, 0.1) 50%, 
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.case-study-card:hover .case-study-overlay {
    transform: translateX(100%);
}

/* Case Study Content */
.case-study-content {
    padding: 2rem 1.5rem;
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-study-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.industry-tag {
    background: rgba(0, 255, 178, 0.2);
    color: var(--color-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(0, 255, 178, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Content sections with consistent spacing */
.case-study-header {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-study-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0;
    line-height: 1.3;
    white-space: nowrap;
}

.case-study-meta h3 {
    margin: 0;
}

.case-study-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-top: 1rem;
    font-size: 0.98rem;
    flex: 1;
}


/* Case Study CTA */
.case-study-cta {
    padding: 0 1.5rem 1.5rem;
    position: relative;
    z-index: 2;
}

.case-study-btn {
    width: 100%;
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.case-study-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transition: left 0.4s ease;
    z-index: -1;
}

.case-study-btn:hover::before {
    left: 0;
}

.case-study-btn:hover {
    color: var(--color-background);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 178, 0.3);
}

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

.case-study-btn:hover i {
    transform: translateX(4px);
}

/* Filter Buttons */
.case-studies-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    color: var(--color-text-secondary);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transition: left 0.3s ease;
    z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    left: 0;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--color-background);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Animation classes for scroll reveal */
.case-study-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.case-study-card.sr-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .case-studies-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .case-studies {
        padding: 5rem 0;
    }
    
    .case-studies-title {
        font-size: 2.2rem;
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-studies-filter {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }
    
    .filter-btn {
        min-width: 200px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .case-study-content {
        padding: 1.5rem 1rem;
    }
    
    .case-study-cta {
        padding: 0 1rem 1rem;
    }
}

/* Dark mode enhancements */
@media (prefers-color-scheme: dark) {
    .case-study-card {
        background: rgba(24, 24, 24, 0.9);
    }
}

/* Hover effects for touch devices */
@media (hover: none) and (pointer: coarse) {
    .case-study-card:hover {
        transform: none;
    }
    
    .case-study-card:active {
        transform: scale(0.98);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .case-study-card {
        border: 2px solid var(--color-text-primary);
    }
    
    .industry-tag,
    .tech-tag {
        border: 2px solid currentColor;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .case-study-card {
        opacity: 1 !important;
        transform: none !important;
        transition: none;
    }
    
    .case-study-icon,
    .case-study-overlay,
    .case-study-btn,
    .filter-btn {
        transition: none;
    }
    
    .case-studies::before {
        animation: none;
    }
    
    .case-study-card:hover {
        transform: none;
    }
}