/* ===== USE CASE 목록 페이지 ===== */

/* 소개 섹션 */
.usecase-intro-section {
    padding: 80px 0;
    background: #fff;
}

.usecase-intro-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.usecase-intro-section .section-subtitle {
    color: #4A90E2;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
}

.usecase-intro-section .section-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    color: #333;
    margin: 0;
}

/* 카드 그리드 */
.usecase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.usecase-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.usecase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.usecase-thumbnail {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.usecase-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.usecase-card:hover .usecase-thumbnail img {
    transform: scale(1.05);
}

.usecase-content {
    padding: 24px;
}

.usecase-category {
    color: #4A90E2;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.usecase-title {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
    line-height: 1.4;
}

.usecase-summary {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 위기 관리 섹션 */
.crisis-management-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.crisis-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.crisis-visual {
    display: flex;
    align-items: center;
    gap: 30px;
}

.crisis-icon img {
    width: 80px;
    height: 80px;
}

.crisis-badge {
    background: #FF4757;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 24px;
    font-weight: 700;
    position: relative;
}

.crisis-badge span {
    font-size: 12px;
    font-weight: 400;
    margin-left: 4px;
}

.crisis-text h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.4;
}

.crisis-text h2 strong {
    color: #4A90E2;
}

.crisis-text p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 16px;
}

.crisis-text p:last-child {
    font-weight: 600;
    color: #333;
}

/* CTA 배너 */
.cta-banner-section {
    padding: 200px 0;
    background: url('../images/usecase/background_usecase.png') center center / cover no-repeat;
    position: relative;
}

.cta-banner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 60px;
}

.cta-dot img {
    width: auto;
    height: 100px;
}

.cta-banner-text h2 {
    color: black;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0;
}

.btn-apply {
    background: #4A90E2;
    color: white;
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-apply:hover {
    background: #2c5aa0;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
}

/* 하단 네비게이션 */
.bottom-navigation {
    padding: 40px 0;
    background: #fff;
    border-top: 1px solid #eee;
}

.bottom-navigation .container {
    display: flex;
    justify-content: center;
}

.nav-button {
    background: #4A90E2;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.nav-button.active {
    background: #2c5aa0;
}

/* ===== USE CASE 상세 페이지 ===== */

/* 상세 페이지 헤더 */
.usecase-detail-header {
    padding: 40px 0 20px;
    background: #fff;
}

.detail-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.detail-category {
    color: #4A90E2;
    font-size: 16px;
    font-weight: 600;
}

.detail-usecase-label {
    color: #999;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
}

.detail-divider {
    height: 1px;
    background: #eee;
}

/* 상세 페이지 제목 */
.usecase-detail-title {
    padding: 40px 0 60px;
    background: #fff;
}

.usecase-detail-title h1 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
    margin: 0;
}

/* 상세 페이지 본문 */
.usecase-detail-content {
    padding: 60px 0;
    background: #fff;
}

.content-section {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}

.content-section:last-child {
    margin-bottom: 0;
}

.content-image {
    flex: 0 0 400px;
}

.content-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.content-text {
    flex: 1;
}

.content-text p {
    font-size: 16px;
    color: #333;
    line-height: 1.8;
    margin: 0;
}

/* Apply Banner */
.apply-banner-section {
    margin-top: 30px;
}

.apply-banner-content {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    width: 50%;
}

.apply-banner-link {
    display: inline-block;
    transition: transform 0.3s ease;
}

.apply-banner-link:hover {
    transform: scale(1.03);
}

.apply-banner-link img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== 반응형 디자인 ===== */

@media (max-width: 1024px) {
    .usecase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .crisis-content {
        gap: 40px;
    }
    
    .content-section {
        gap: 40px;
    }
    
    .content-image {
        flex: 0 0 300px;
    }
}

@media (max-width: 768px) {
    .usecase-intro-section {
        padding: 60px 0;
    }
    
    .usecase-intro-section .section-title {
        font-size: 24px;
    }
    
    .usecase-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    
    .crisis-management-section {
        padding: 60px 0;
    }
    
    .crisis-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .crisis-text h2 {
        font-size: 22px;
    }
    
    .cta-banner-section {
        padding: 60px 0;
    }
    
    .cta-banner-content {
        gap: 24px;
    }
    
    .cta-banner-text h2 {
        font-size: 20px;
    }
    
    /* 상세 페이지 반응형 */
    .usecase-detail-title h1 {
        font-size: 24px;
    }
    
    .usecase-detail-content {
        padding: 40px 0;
    }
    
    .content-section {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 50px;
    }
    
    .content-image {
        flex: none;
        width: 100%;
    }
    
    .apply-banner-content {
        width: 100%;
    }
    
    .bottom-navigation .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-dropdown-container {
        max-width: 100%;
        gap: 20px;
        flex-direction: column;
    }
    
    .nav-dropdown-link {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .nav-list-button .nav-button {
        padding: 6px 16px;
        font-size: 13px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .usecase-intro-section .section-title {
        font-size: 20px;
    }
    
    .usecase-content {
        padding: 20px;
    }
    
    .usecase-title {
        font-size: 16px;
    }
    
    .usecase-summary {
        font-size: 13px;
    }
    
    .crisis-text h2 {
        font-size: 18px;
    }
    
    .cta-banner-text h2 {
        font-size: 18px;
    }
    
    .usecase-detail-title h1 {
        font-size: 20px;
    }
    
    .content-text p {
        font-size: 14px;
    }
}

/* 하단 네비게이션 (상세 페이지) */
.bottom-navigation .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-dropdown-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 40px;
    width: 100%;
    max-width: 600px;
}

.nav-dropdown-item {
    flex: 1;
}

.nav-dropdown-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    color: #666;
    font-size: 13px;
    font-weight: 400;
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-dropdown-link:hover:not(.disabled) {
    background: #f5f5f5;
    color: #333;
}

.nav-dropdown-link.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    color: #ccc;
}

.nav-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 12px;
    height: 12px;
}

.nav-arrow svg {
    width: 12px;
    height: 12px;
}

.nav-category {
    text-align: center;
}

.nav-list-button {
    display: flex;
    justify-content: center;
}

.nav-list-button .nav-button {
    background: #4A90E2;
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 4px;
    font-weight: 400;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s ease;
    height: 28px;
    line-height: 16px;
}

.nav-list-button .nav-button:hover {
    background: #2c5aa0;
}