/* Case Studies Page Specific Styles */

/* ============================================================================
   CASE STUDIES HERO SECTION
   ============================================================================ */

.case-studies-hero {
    background: linear-gradient(rgba(30, 58, 138, 0.9), rgba(6, 182, 212, 0.8)), url('../images/case-studies-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 0;
    color: var(--white-color);
}

/* ============================================================================
   CASE STUDIES FILTER - SPECIFIC STYLES
   Note: .filter-sidebar, .filter-group, .filter-group-title, .active-filters-display
   remain in shared-components.css as they're shared with resource_list.html
   ============================================================================ */

.case-studies-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4); /* 1.5rem */
    padding-bottom: var(--spacing-3); /* 1rem */
    border-bottom: 1px solid var(--light-color);
}

.case-studies-filter-header h4 {
    margin: 0;
    color: var(--dark-color);
    font-weight: 600;
}

.case-studies-filter-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2); /* 0.5rem */
}

.case-studies-filter-option {
    width: 100%;
}

.case-studies-filter-option .filter-btn {
    width: 100%;
    text-align: left;
    border-radius: var(--radius-md); /* 0.375rem */
    padding: var(--spacing-2) var(--spacing-3); /* 0.5rem 0.75rem */
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
    font-size: 0.875rem;
    position: relative;
    overflow: hidden;
}

.case-studies-filter-option .filter-btn:before {
    content: '';
    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;
}

.case-studies-filter-option .filter-btn:hover:before {
    left: 100%;
}

.case-studies-filter-option .filter-btn i {
    transition: var(--transition-normal);
}

.case-studies-filter-option .filter-btn:hover i {
    transform: translateX(3px);
}

.case-studies-filter-option .filter-btn.active {
    transform: translateX(3px);
    box-shadow: var(--shadow-md); /* 0 2px 8px rgba(0, 0, 0, 0.1) */
}

.case-studies-clear-filters {
    font-size: 0.8rem;
    padding: var(--spacing-1) var(--spacing-2); /* 0.25rem 0.5rem */
}

/* ============================================================================
   CASE STUDIES RESULTS SECTION
   ============================================================================ */

.case-studies-results-summary {
    background-color: var(--light-color);
    padding: var(--spacing-3); /* 1rem */
    border-radius: var(--radius-md); /* 0.375rem */
    border-left: 4px solid var(--primary-color);
}

.case-studies-results-count {
    font-weight: 600;
    color: var(--dark-color);
}

/* Case studies grid container - styles applied through child elements */

.case-studies-no-results {
    padding: var(--spacing-6) 0; /* 3rem 0 */
}

.case-studies-no-results i {
    opacity: 0.3;
}

/* ============================================================================
   CASE STUDY ITEMS
   ============================================================================ */

.case-study-item {
    animation: cardFadeIn 0.5s ease-out;
}

/* ============================================================================
   CASE STUDIES FILTER ANIMATIONS
   ============================================================================ */

.filter-btn.active {
    animation: pulseGlow 2s ease-in-out;
}

.filter-btn:not(.active):hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md); /* 0 2px 10px rgba(0, 0, 0, 0.1) */
}

/* Loading animation for filter transitions */
.case-studies-grid.filtering {
    position: relative;
}

.case-studies-grid.filtering::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    border: 3px solid var(--light-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
    z-index: 10;
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 123, 255, 0.8);
    }
    100% {
        box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
    }
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ============================================================================
   RESPONSIVE ADJUSTMENTS (Case Studies Page)
   ============================================================================ */

@media (max-width: 768px) {
    .case-studies-hero h1 {
        font-size: 2.5rem;
    }
    
    .case-studies-hero p {
        font-size: 1rem;
    }
    
    .case-studies-results-summary {
        text-align: center;
    }
    
    .case-studies-filter-options {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2); /* 0.5rem */
    }
    
    .case-studies-filter-option .filter-btn {
        font-size: 0.8rem;
        padding: var(--spacing-2) var(--spacing-2); /* 0.375rem 0.5rem */
    }
}
/* ============================================================================
   CASE STUDY DETAIL PAGE
   Styles specific to the case study detail view
   ============================================================================ */

.case-study-meta .meta-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.case-study-meta .meta-item:last-child {
    border-bottom: none;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
}

.metric-icon {
    background: rgba(30, 58, 138, 0.1);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.content-section {
    font-size: 1.1rem;
    line-height: 1.8;
}

.section-icon {
    background: rgba(30, 58, 138, 0.1);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.gallery-item img {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item img:hover {
    transform: scale(1.05);
}

.testimonial-quote {
    position: relative;
}

.testimonial-quote .fa-quote-left {
    opacity: 0.1;
}

.blockquote p {
    font-size: 1.25rem;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.cta-buttons .btn {
    min-width: 200px;
}

/* Responsive styles for case study detail */
@media (max-width: 768px) {
    .metric-value {
        font-size: 2rem;
    }
    
    .cta-buttons .btn {
        min-width: auto;
        width: 100%;
    }
    
    .content-section {
        font-size: 1rem;
    }
}