/* ========== CASE STUDY DETAIL - PREFIX 'csd-' ========== */

/* Hero Section */
.csd-hero-section {
    min-height: 35vh;
    display: flex;
    align-items: center;
    padding: 1rem 0;
    background: linear-gradient(145deg, var(--bg-color), var(--bg-color-sepration));
    position: relative;
    overflow: hidden;
}

.csd-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 3rem;
    position: relative;
    z-index: 2;
}

.csd-hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.csd-breadcrumb {
    margin-bottom: 1.5rem;
    color: var(--text-medium);
    font-size: 0.95rem;
}

.csd-breadcrumb a {
    color: var(--primary-navy);
    text-decoration: none;
    font-weight: 500;
}

.csd-breadcrumb a:hover {
    text-decoration: underline;
}

.csd-breadcrumb span {
    margin: 0 0.5rem;
    color: var(--text-medium);
}

.csd-hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-navy);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.csd-dots-pattern {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    width: 250px;
    height: 250px;
    background-image: radial-gradient(var(--primary-navy) 2px, transparent 2px);
    background-size: 25px 25px;
    opacity: 0.03;
    z-index: 1;
}

/* Main Content Section */
.csd-content-section {
    padding: 1rem 0 5rem;
    background: var(--white-color);
}

.csd-content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
    align-items: start;
}

/* Main Content Styles */
.csd-main-content {
    background: var(--white-color);
    border-radius: 40px;
    padding: 3rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 45px -25px rgba(19,41,75,0.1);
}

/* Overview Box */
.csd-overview-box {
    background: var(--bg-color-sepration);
    border-radius: 30px;
    padding: 2rem;
    margin-bottom: 2.5rem;
    border: 1px solid var(--border-color);
}

.csd-overview-label {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-navy);
    display: inline-block;
    margin-bottom: 1rem;
}

.csd-overview-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.csd-overview-list li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-medium);
    font-size: 1.05rem;
    line-height: 1.6;
}

.csd-overview-list li:last-child {
    border-bottom: none;
}

.csd-overview-list li strong {
    color: var(--primary-navy);
    font-weight: 600;
    min-width: 140px;
    display: inline-block;
}

/* Section Blocks */
.csd-section-block {
    margin-bottom: 2.5rem;
}

.csd-section-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.csd-section-icon {
    font-size: 1.8rem;
    line-height: 1;
    color: var(--primary-navy);
}

.csd-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-navy);
    margin: 0;
}

.csd-section-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 1.2rem;
}

/* Bullet Lists */
.csd-bullet-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.csd-bullet-list li {
    padding: 0.5rem 0 0.5rem 2rem;
    position: relative;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-medium);
}

.csd-bullet-list li::before {
    content: "•";
    position: absolute;
    left: 0.5rem;
    color: var(--primary-navy);
    font-weight: bold;
    font-size: 1.3rem;
}

.csd-check-list li {
    padding-left: 2.5rem;
}

.csd-check-list li::before {
    display: none;
}

.csd-check-list li i {
    position: absolute;
    left: 0;
    color: var(--primary-navy);
    font-size: 1.2rem;
}

/* Subheadings */
.csd-subheading {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-navy);
    margin: 1.5rem 0 1rem 0;
}

/* Testimonial Block */
.csd-testimonial-block {
    background: linear-gradient(135deg, var(--primary-navy) 0%, #1e3a5f 100%);
    border-radius: 30px;
    padding: 2.5rem;
    margin: 2.5rem 0;
    color: var(--white-color);
}

.csd-testimonial-heading {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.csd-testimonial-text {
    font-size: 1.2rem;
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 0;
    opacity: 0.95;
}

/* CTA Block */
.csd-cta-block {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.csd-btn-primary {
    background: var(--primary-navy);
    color: var(--white-color);
    border: none;
    border-radius: 50px;
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}

.csd-btn-primary:hover {
    background: #1e3a5f;
    transform: translateY(-3px);
    box-shadow: 0 20px 30px -10px rgba(19,41,75,0.3);
}

.csd-btn-secondary {
    background: transparent;
    border: 2px solid var(--primary-navy);
    color: var(--primary-navy);
    border-radius: 50px;
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}

.csd-btn-secondary:hover {
    background: var(--primary-navy);
    color: var(--white-color);
    transform: translateY(-3px);
}

/* Sidebar Styles */
.csd-sidebar {
    position: sticky;
    top: 2rem;
}

.csd-sidebar-card {
    background: var(--white-color);
    border-radius: 30px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 30px -15px rgba(19,41,75,0.1);
}

.csd-sidebar-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--border-color);
}

/* Stats */
.csd-stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--bg-color-sepration);
    border-radius: 20px;
    margin-bottom: 1rem;
}

.csd-stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-navy);
    line-height: 1.2;
}

.csd-stat-label {
    font-size: 0.9rem;
    color: var(--text-medium);
}

/* Sidebar Lists */
.csd-sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.csd-sidebar-list li {
    padding: 0.6rem 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-medium);
    border-bottom: 1px solid var(--border-color);
}

.csd-sidebar-list li:last-child {
    border-bottom: none;
}

.csd-sidebar-list li i {
    color: var(--primary-navy);
    font-size: 0.5rem;
}

/* Certifications */
.csd-cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 0;
    color: var(--text-medium);
}

.csd-cert-item i {
    color: var(--primary-navy);
    font-size: 1.2rem;
    width: 1.5rem;
}

/* Related Case Study */
.csd-related-card {
    background: linear-gradient(145deg, var(--bg-color-sepration), var(--white-color));
}

.csd-related-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-medium);
    margin-bottom: 1.2rem;
}

.csd-related-link {
    color: var(--primary-navy);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.csd-related-link:hover {
    gap: 0.8rem;
}

.csd-related-link i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.csd-related-link:hover i {
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .csd-content-grid {
        grid-template-columns: 1fr 300px;
        gap: 2rem;
    }
    
    .csd-hero-title {
        font-size: 2.4rem;
    }
}

@media (max-width: 992px) {
    .csd-container {
        padding: 0 2rem;
    }
    
    .csd-content-grid {
        grid-template-columns: 1fr;
    }
    
    .csd-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .csd-sidebar-card {
        margin-bottom: 0;
    }
    
    .csd-related-card {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .csd-hero-section {
        min-height: auto;
        padding: 3rem 0;
    }
    
    .csd-hero-title {
        font-size: 2rem;
    }
    
    .csd-main-content {
        padding: 2rem;
    }
    
    .csd-section-title {
        font-size: 1.5rem;
    }
    
    .csd-overview-list li {
        font-size: 0.95rem;
    }
    
    .csd-overview-list li strong {
        min-width: 120px;
    }
    
    .csd-testimonial-text {
        font-size: 1.1rem;
    }
    
    .csd-cta-block {
        flex-direction: column;
        gap: 1rem;
    }
    
    .csd-btn-primary,
    .csd-btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .csd-sidebar {
        grid-template-columns: 1fr;
    }
    
    .csd-related-card {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .csd-container {
        padding: 0 1.2rem;
    }
    
    .csd-hero-title {
        font-size: 1.6rem;
    }
    
    .csd-main-content {
        padding: 1.5rem;
        border-radius: 30px;
    }
    
    .csd-section-header {
        flex-wrap: wrap;
    }
    
    .csd-section-icon {
        font-size: 1.5rem;
    }
    
    .csd-section-title {
        font-size: 1.3rem;
    }
    
    .csd-overview-box {
        padding: 1.5rem;
    }
    
    .csd-testimonial-block {
        padding: 1.8rem;
    }
}