/* ==========================================================================
   상세한 고객 성공사례 스타일 
   어떤 파우치를 얼마만큼 만들어서 단가 얼마에 제공받았는지 구체적 정보 표시
   ========================================================================== */

/* 성공사례 그리드 레이아웃 */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

/* 상세 성공사례 카드 */
.case-study-card.detailed-case {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 4px 16px rgba(0, 0, 0, 0.04),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.case-study-card.detailed-case::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        #3B82F6 0%, 
        #8B5CF6 33%, 
        #F59E0B 66%, 
        #EF4444 100%);
    opacity: 0.8;
}

.case-study-card.detailed-case:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.15),
        0 8px 25px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* 카드 헤더 */
.case-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 1.5rem;
}

.case-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.case-icon i {
    font-size: 1.5rem;
    color: white;
}

.case-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1F2937;
    margin: 0 0 0.5rem 0;
}

.case-industry {
    font-size: 0.875rem;
    color: #6B7280;
    background: rgba(59, 130, 246, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 500;
}

/* 상세 정보 섹션 */
.case-details {
    background: rgba(249, 250, 251, 0.8);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(229, 231, 235, 0.6);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(229, 231, 235, 0.4);
    transition: all 0.3s ease;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row:hover {
    background: rgba(255, 255, 255, 0.6);
    margin: 0 -0.75rem;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    border-radius: 8px;
}

.detail-row.highlight {
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.05) 0%, 
        rgba(139, 92, 246, 0.05) 100%);
    border-radius: 8px;
    margin: 0.25rem 0;
    padding-left: 1rem;
    padding-right: 1rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.detail-label {
    font-size: 0.875rem;
    color: #6B7280;
    font-weight: 500;
    flex-shrink: 0;
    margin-right: 1rem;
}

.detail-value {
    font-size: 0.95rem;
    color: #1F2937;
    font-weight: 600;
    text-align: right;
}

.detail-row.highlight .detail-value {
    color: #3B82F6;
    font-weight: 700;
    font-size: 1.1rem;
}

/* 성과 섹션 */
.case-result {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
}

.result-item {
    flex: 1;
    background: linear-gradient(135deg, 
        rgba(16, 185, 129, 0.05) 0%, 
        rgba(59, 130, 246, 0.05) 100%);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    border: 1px solid rgba(16, 185, 129, 0.2);
    transition: all 0.3s ease;
}

.result-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.15);
}

.result-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    color: #10B981;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.result-label {
    font-size: 0.75rem;
    color: #6B7280;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* CTA 섹션 */
.case-studies-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.05) 0%, 
        rgba(139, 92, 246, 0.05) 100%);
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.cta-text {
    font-size: 1.1rem;
    color: #4B5563;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.case-studies-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-studies-cta .btn-primary {
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    color: white;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.case-studies-cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-study-card.detailed-case {
        padding: 1.5rem;
    }
    
    .case-details {
        padding: 1rem;
    }
    
    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        padding: 0.5rem 0;
    }
    
    .detail-value {
        text-align: left;
        font-size: 1rem;
    }
    
    .result-item {
        padding: 0.75rem;
    }
    
    .result-number {
        font-size: 1.25rem;
    }
    
    .case-studies-cta {
        padding: 1.5rem;
        margin-top: 2rem;
    }
    
    .cta-text {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .case-result {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .case-header h3 {
        font-size: 1.1rem;
    }
    
    .case-icon {
        width: 50px;
        height: 50px;
    }
    
    .case-icon i {
        font-size: 1.25rem;
    }
    
    .case-studies-cta .btn {
        width: 100%;
        justify-content: center;
        padding: 1rem;
    }
}

/* 애니메이션 효과 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.case-study-card.detailed-case {
    animation: slideInUp 0.6s ease-out;
}

/* 다크 모드 대응 */
@media (prefers-color-scheme: dark) {
    .case-study-card.detailed-case {
        background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
        border-color: rgba(55, 65, 81, 0.6);
    }
    
    .case-header h3 {
        color: #F9FAFB;
    }
    
    .case-details {
        background: rgba(17, 24, 39, 0.8);
        border-color: rgba(55, 65, 81, 0.4);
    }
    
    .detail-value {
        color: #F3F4F6;
    }
    
    .detail-label {
        color: #9CA3AF;
    }
    
    .cta-text {
        color: #D1D5DB;
    }
}

/* 인쇄 모드 */
@media print {
    .case-study-card.detailed-case {
        break-inside: avoid;
        box-shadow: none;
        border: 2px solid #E5E7EB;
    }
    
    .case-studies-cta {
        display: none;
    }
}