/* ============================================================
   CASE STUDIES PUBLIC CONTAINER
   ============================================================ */

.case-studies-container,
.case-study-detail-container {
    width: 96dvw;
    max-width: 96dvw;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 20dvh);
    box-sizing: border-box;
    overflow-x: hidden;
}

/* ============================================================
   PAGE HEADERS
   ============================================================ */

.page-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--background-color3) 0%, var(--background-color4) 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.page-title {
    font-family: var(--main-font-family2);
    font-size: 3.78rem;
    font-weight: bold;
    color: var(--text-color2);
    margin-bottom: 0.5rem;
    text-shadow: 1px 1px 3px var(--shadow-color);
    -webkit-text-stroke: 0.5px var(--text-outline-color2);
}

.page-subtitle {
    font-size: 1.89rem;
    color: var(--text-color3);
    font-weight: 500;
}

/* ============================================================
   CASE STUDY GRID & CARDS
   ============================================================ */

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.case-study-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.case-study-card-link:hover {
    text-decoration: none;
}

.case-study-card {
    background: linear-gradient(135deg, var(--background-color4) 0%, white 50%, var(--background-color3) 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-study-card-link:hover .case-study-card {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px var(--shadow-color);
    border-color: var(--primary-color);
}

.card-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--highlight-color) 100%);
    color: var(--text-color4);
    border-bottom: 2px solid var(--border-color);
}

.card-title {
    font-family: var(--main-font-family2);
    font-size: 2.205rem;
    font-weight: bold;
    margin: 0;
    color: var(--text-color4);
    text-shadow: 1px 1px 3px var(--shadow-color);
    -webkit-text-stroke: 0.3px var(--text-outline-color3);
}

.card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.case-study-description {
    color: var(--text-color2);
    margin-bottom: 1rem;
    line-height: 1.7;
    font-size: 1.26rem;
}

.case-study-meta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-size: 1.134rem;
    color: var(--text-color3);
    padding-top: 1rem;
    border-top: 1px solid var(--border-color2);
}

.meta-item {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.meta-item strong {
    color: var(--text-color2);
    font-weight: 600;
}

.card-actions {
    padding: 1.5rem;
    border-top: 2px solid var(--border-color);
    background: linear-gradient(135deg, var(--background-color4) 0%, var(--background-color3) 100%);
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn-view,
.btn-download,
.btn-back {
    padding: 0.2475rem 0.495rem;
    border: 1px solid transparent;
    border-radius: 2.64px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    font-size: 0.6237rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0.66px 1.98px var(--shadow-color);
    font-family: var(--main-font-family);
    text-align: center;
    box-sizing: border-box;
}

.btn-view {
    background: linear-gradient(135deg, var(--highlight-color) 0%, var(--primary-color) 100%);
    color: var(--text-color4);
    border-color: var(--border-color);
    -webkit-text-stroke: 0.3px var(--text-outline-color3);
    text-shadow: 1px 1px 2px var(--shadow-color);
    pointer-events: none; /* Prevent button from blocking card link */
}

.case-study-card-link:hover .btn-view {
    background: linear-gradient(135deg, var(--highlight-color2) 0%, var(--highlight-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color2);
}

.btn-download {
    background: linear-gradient(135deg, var(--success-color) 0%, #45a049 100%);
    color: white;
    border-color: #3d8b40;
    position: relative;
    z-index: 10; /* Ensure download button is clickable above card link */
}

.btn-download:hover {
    background: linear-gradient(135deg, #5cbf60 0%, var(--success-color) 100%);
    transform: translateY(-0.66px);
    box-shadow: 0 1.32px 3.96px rgba(76, 175, 80, 0.4);
}

.btn-back {
    background: linear-gradient(135deg, var(--background-color6) 0%, var(--background-color3) 100%);
    color: var(--text-color2);
    border-color: var(--border-color);
}

.btn-back:hover {
    background: linear-gradient(135deg, var(--background-color3) 0%, var(--background-color6) 100%);
    transform: translateY(-0.66px);
    box-shadow: 0 1.32px 3.96px var(--shadow-color);
}

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--background-color4) 0%, var(--background-color3) 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.pagination-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color2);
    font-weight: 600;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--background-color4) 0%, var(--background-color3) 100%);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.pagination-btn:hover {
    background: linear-gradient(135deg, var(--highlight-color) 0%, var(--primary-color) 100%);
    color: var(--text-color4);
    border-color: var(--highlight-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color2);
    -webkit-text-stroke: 0.3px var(--text-outline-color3);
    text-shadow: 1px 1px 2px var(--shadow-color);
}

.current-page {
    color: var(--text-color2);
    font-weight: 600;
    font-size: 1.26rem;
    padding: 0.75rem 1rem;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--background-color4) 0%, var(--background-color3) 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow-color);
    color: var(--text-color2);
    font-size: 1.89rem;
    font-weight: 500;
}

/* ============================================================
   CASE STUDY DETAIL
   ============================================================ */

.case-study-header {
    margin-bottom: 0.66rem;
    padding: 0.66rem;
    background: linear-gradient(135deg, var(--background-color3) 0%, var(--background-color4) 100%);
    border: 1px solid var(--border-color);
    border-radius: 3.96px;
    box-shadow: 0 0.66px 2.64px var(--shadow-color);
}

.header-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.case-study-title {
    font-family: var(--main-font-family2);
    font-size: 2.18295rem;
    font-weight: bold;
    color: var(--text-color2);
    margin-bottom: 0.33rem;
    text-shadow: 0.33px 0.33px 0.99px var(--shadow-color);
    -webkit-text-stroke: 0.165px var(--text-outline-color2);
}

.case-study-description {
    font-size: 0.93555rem;
    color: var(--text-color3);
    margin-bottom: 0.66rem;
    line-height: 1.7;
    font-weight: 500;
}

.case-study-actions {
    display: flex;
    justify-content: center;
    gap: 0.33rem;
    flex-wrap: wrap;
}

.case-study-content {
    margin-top: 2rem;
}

/* ============================================================
   PDF VIEWER
   ============================================================ */

.pdf-viewer-container {
    background: linear-gradient(135deg, white 0%, var(--background-color4) 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.pdf-viewer-toolbar {
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--background-color3) 0%, var(--background-color4) 100%);
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.pdf-toolbar-btn {
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: linear-gradient(135deg, var(--background-color4) 0%, white 100%);
    cursor: pointer;
    font-size: 1.134rem;
    font-weight: 600;
    transition: all 0.3s ease;
    color: var(--text-color2);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.pdf-toolbar-btn:hover {
    background: linear-gradient(135deg, var(--highlight-color) 0%, var(--primary-color) 100%);
    color: var(--text-color4);
    border-color: var(--highlight-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color2);
    -webkit-text-stroke: 0.3px var(--text-outline-color3);
    text-shadow: 1px 1px 2px var(--shadow-color);
}

.pdf-page-info {
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    color: var(--text-color2);
    font-size: 1.26rem;
}

.pdf-viewer-canvas {
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 600px;
    background-color: #525252;
    overflow: auto;
}

#pdfCanvas {
    max-width: 100%;
    height: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

/* ============================================================
   BUILT CASE STUDY
   ============================================================ */

.built-case-study-container {
    background: linear-gradient(135deg, white 0%, var(--background-color4) 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px var(--shadow-color);
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box;
    position: relative;
    margin: 0 auto;
    min-height: 800px;
}

.content-block {
    position: absolute;
    border: none;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
    background: transparent;
    padding: 0;
    margin: 0;
}

.text-block {
    padding: 0;
    background-color: transparent;
    border-radius: 0;
    line-height: 1.7;
    color: inherit;
    font-size: inherit;
    border: none;
    margin: 0;
}

.heading-block {
    margin: 0;
    padding: 0;
    color: inherit;
    font-family: inherit;
    text-shadow: none;
    border: none;
    border-bottom: none;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.image-block {
    max-width: 100%;
    height: auto;
    border-radius: 0;
    box-shadow: none;
    display: block;
    border: none;
    margin: 0;
    padding: 0;
}

.document-block {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0;
    overflow: hidden;
    background: transparent;
    margin: 0;
    padding: 0;
}

.document-block iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.empty-case-study {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-color3);
    font-size: 1.89rem;
    font-style: italic;
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 1200px) {
    .case-study-title {
        font-size: 3.15rem;
    }
    
    .built-case-study-container {
        width: 100% !important;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .case-studies-container,
    .case-study-detail-container {
        padding: 1rem;
    }
    
    .page-title {
        font-size: 2.52rem;
    }
    
    .case-study-title {
        font-size: 2.52rem;
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .case-study-description {
        font-size: 1.575rem;
    }
    
    .pdf-viewer-toolbar {
        flex-direction: column;
    }
    
    .pdf-toolbar-btn {
        width: 100%;
    }
    
    .case-study-actions {
        flex-direction: column;
    }
    
    .btn-view,
    .btn-download,
    .btn-back {
        width: 100%;
    }
    
    .built-case-study-container {
        width: 100% !important;
        height: auto !important;
        min-height: 400px;
    }
    
    .content-block {
        position: relative !important;
        left: auto !important;
        top: auto !important;
        width: 100% !important;
        height: auto !important;
        margin-bottom: 1rem;
    }
}