/* 
* BrainSpark Digital - Case Studies Styles for Django Implementation
* Modern, unique styling for the case studies page
*/

/* Case Studies Page Specific Variables */
:root {
    --case-study-gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    --case-card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --case-hover-transform: translateY(-8px);
    --case-border-radius: 12px;
    --case-transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Modern Featured Case Studies Section */
.featured-case-studies {
    padding: 8rem 0;
    background-color: var(--background-alt);
    position: relative;
    overflow: hidden;
}

.featured-case-studies::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--case-study-gradient);
    opacity: 0.1;
    z-index: 1;
}

.featured-case-studies::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--case-study-gradient);
    opacity: 0.05;
    z-index: 1;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(35rem, 1fr));
    gap: 3rem;
    position: relative;
    z-index: 2;
}

.featured-case {
    border-radius: var(--case-border-radius);
    overflow: hidden;
    box-shadow: var(--case-card-shadow);
    transition: var(--case-transition);
    background: var(--card-bg);
    position: relative;
    height: 100%;
}

.featured-case:hover {
    transform: var(--case-hover-transform);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.case-image {
    position: relative;
    overflow: hidden;
    height: 30rem;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    transition: all 0.3s ease;
}

.featured-case:hover .case-overlay {
    padding-bottom: 3.5rem;
}

.case-category {
    display: inline-block;
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    margin-bottom: 1rem;
    background-color: rgba(255, 255, 255, 0.2);
}

.case-overlay h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 2.2rem;
}

.case-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.case-overlay .btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
    padding: 0.8rem 1.6rem;
    font-size: 1.4rem;
}

.case-overlay .btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

/* Category theme classes */
.web-development-theme .case-category {
    background-color: rgba(37, 99, 235, 0.3);
}

.seo-theme .case-category {
    background-color: rgba(5, 150, 105, 0.3);
}

.ai-theme .case-category {
    background-color: rgba(139, 92, 246, 0.3);
}

/* Removed design theme styles */

/* Category Sections Styling */
.case-studies-categories {
    padding: 8rem 0;
}

/* Category Filters */
.category-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 4rem;
}

.category-filter {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.8rem 1.6rem;
    border-radius: 30px;
    font-size: 1.4rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--case-transition);
}

.category-filter:hover, .category-filter.active {
    background: var(--primary-color);
    color: white;
}

.category-section {
    margin-bottom: 8rem;
    border-radius: var(--case-border-radius);
    padding: 4rem;
    position: relative;
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.category-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--section-bg);
    opacity: 0.7;
    z-index: -1;
}

.category-header {
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.category-header h3 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    font-size: 2.6rem;
}

.category-header h3 i {
    margin-right: 1rem;
    font-size: 2.4rem;
}

.category-header p {
    max-width: 60rem;
    color: var(--text-light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(30rem, 1fr));
    gap: 3rem;
}

.portfolio-item {
    background-color: var(--card-bg);
    border-radius: var(--case-border-radius);
    overflow: hidden;
    box-shadow: var(--case-card-shadow);
    transition: var(--case-transition);
}

.portfolio-item:hover {
    transform: var(--case-hover-transform);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.portfolio-image {
    position: relative;
    height: 22rem;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.portfolio-content p {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* Client Results Section */
.client-results {
    padding: 8rem 0;
    background-color: var(--background-alt);
    position: relative;
    overflow: hidden;
    background-image: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.client-results::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--case-study-gradient);
    opacity: 0.05;
    z-index: 1;
}

.client-results::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: var(--case-study-gradient);
    opacity: 0.07;
    z-index: 1;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(22rem, 1fr));
    gap: 3rem;
    position: relative;
    z-index: 2;
}

.result-card {
    background-color: var(--card-bg);
    border-radius: var(--case-border-radius);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--case-card-shadow);
    transition: var(--case-transition);
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--case-study-gradient);
}

.result-card:hover {
    transform: var(--case-hover-transform);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.result-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.result-stat {
    font-size: 4.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-family: 'Montserrat', sans-serif;
}

.result-card p {
    font-size: 1.6rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* Case Study Detail Page */
.case-study-detail {
    padding: 8rem 0;
}

.case-study-header {
    margin-bottom: 5rem;
    text-align: center;
}

.case-study-meta {
    margin-bottom: 2rem;
}

.case-study-meta span {
    display: inline-block;
    margin-right: 2rem;
    color: var(--text-light);
    font-size: 1.4rem;
}

.case-study-meta i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.case-study-hero {
    width: 100%;
    height: 50rem;
    margin-bottom: 5rem;
    overflow: hidden;
    border-radius: var(--case-border-radius);
    box-shadow: var(--case-card-shadow);
}

.case-study-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* CKEditor content styles */
.ck-content {
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--text-color);
}

.ck-content h2 {
    font-size: 2.8rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.ck-content h3 {
    font-size: 2.2rem;
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
}

.ck-content p {
    margin-bottom: 1.8rem;
}

.ck-content ul, .ck-content ol {
    margin-bottom: 1.8rem;
    padding-left: 2rem;
}

.ck-content li {
    margin-bottom: 0.8rem;
}

.ck-content blockquote {
    background-color: var(--background-alt);
    border-left: 4px solid var(--primary-color);
    padding: 2rem;
    margin: 2rem 0;
    border-radius: 0.5rem;
    font-style: italic;
}

.ck-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--case-border-radius);
    margin: 2rem 0;
}

.ck-content .image.image_resized {
    display: block;
    box-sizing: border-box;
}

.ck-content .image.image_resized img {
    width: 100%;
}

.ck-content .image-style-align-left {
    float: left;
    margin-right: 2rem;
}

.ck-content .image-style-align-right {
    float: right;
    margin-left: 2rem;
}

.ck-content .image-style-align-center {
    margin-left: auto;
    margin-right: auto;
}

.ck-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 2rem 0;
}

.ck-content th, .ck-content td {
    border: 1px solid #ddd;
    padding: 1rem;
}

.ck-content th {
    background-color: var(--background-alt);
    color: var(--primary-color);
    font-weight: 600;
}

/* Related Case Studies */
.related-case-studies {
    padding: 6rem 0;
    background-color: var(--background-alt);
}

/* Animation for scroll reveal */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}



/* ====== FULL-WIDTH BOTTOM CTA CARD ====== */
.cta-card {
    background: linear-gradient(135deg, #0f172a 0%, #000000 100%);
    color: #ffffff;
    padding: 6rem 2rem; /* Increased overall section size */
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}

.cta-card .cta-content {
    position: relative;
    z-index: 1;
    max-width: 900px; /* Slightly wider for larger text */
    margin: 0 auto;
}

.cta-card h2 {
    font-size: clamp(2.4rem, 5.2vw, 3.75rem); /* Larger heading */
    font-weight: 800;
    margin-bottom: 1.25rem;
}

.cta-card p {
    font-size: clamp(1.15rem, 2.3vw, 1.4rem); /* Larger body text */
    opacity: 0.95;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.cta-button {
    display: inline-block;
    padding: 1.1rem 2.4rem; /* Larger button */
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: 12px;
    border: none;
    background: #f59e0b;
    color: #111827;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}



/* Responsive Styles */
@media screen and (max-width: 1024px) {
    .featured-grid,
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
    }
    
    .category-section {
        padding: 3rem;
    }
    
    .case-study-hero {
        height: 40rem;
    }
}

@media screen and (max-width: 768px) {
    .featured-grid,
    .portfolio-grid,
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .case-image {
        height: 25rem;
    }
    
    .category-section {
        padding: 2.5rem 2rem;
    }
    
    .category-header h3 {
        font-size: 2.2rem;
    }
    
    .portfolio-image {
        height: 20rem;
    }
    
    .result-card {
        padding: 2.5rem 1.5rem;
    }
    
    .category-filters {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .category-filter {
        width: 80%;
        text-align: center;
    }
    
    .case-study-hero {
        height: 30rem;
    }
}

@media screen and (max-width: 480px) {
    .case-image {
        height: 20rem;
    }
    
    .case-overlay {
        padding: 2rem;
    }
    
    .case-overlay h3 {
        font-size: 2rem;
    }
    
    .portfolio-content h3 {
        font-size: 1.8rem;
    }
    
    .result-stat {
        font-size: 3.6rem;
    }
    
    .case-study-hero {
        height: 25rem;
    }
}