/* ============================================
   Mordom Customer Cases - 客户案例库
   ============================================ */

.cases-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-black-900) 0%, var(--color-black-800) 50%, var(--color-black-900) 100%);
}

.cases-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.cases-header {
    text-align: center;
    margin-bottom: 48px;
}

.cases-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 42px;
    font-weight: 700;
    color: var(--color-gold-500);
    margin: 0 0 12px;
}

.cases-subtitle {
    font-size: 16px;
    color: var(--color-black-200);
    margin: 0;
}

/* 筛选器 */
.cases-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-label {
    font-size: 13px;
    color: var(--color-black-200);
    font-weight: 500;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--color-white-03);
    border: 1px solid var(--color-white-10);
    border-radius: 20px;
    color: var(--color-black-100);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--color-gold-40);
    color: var(--color-gold-500);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-gold-500) 0%, var(--color-gold-700) 100%);
    border-color: var(--color-gold-500);
    color: var(--color-black-900);
    font-weight: 600;
}

/* 案例网格 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: linear-gradient(180deg, var(--color-black-700) 0%, var(--color-black-800) 100%);
    border: 1px solid var(--color-white-08);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-gold-40);
    box-shadow: 0 16px 48px var(--shadow-lg), 0 0 32px var(--color-gold-10);
}

.case-card-image {
    position: relative;
    width: 100%;
    padding-top: 66.67%;
    overflow: hidden;
}

.case-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-card:hover .case-card-image img {
    transform: scale(1.08);
}

.case-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: var(--color-custom-10);
    color: var(--color-black-900);
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
}

.case-card-price {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 12px;
    background: var(--color-dark-80);
    color: var(--color-gold-500);
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    backdrop-filter: blur(4px);
}

.case-card-body {
    padding: 20px;
}

.case-card-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-gray-200, var(--color-gray-200, var(--color-black-100)));
    margin: 0 0 8px;
}

.case-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.case-meta-tag {
    padding: 3px 10px;
    background: var(--color-gold-10);
    border: 1px solid var(--color-gold-20);
    border-radius: 10px;
    font-size: 11px;
    color: var(--color-gold-500);
}

.case-card-desc {
    font-size: 13px;
    color: var(--color-black-200);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 案例详情模态框 */
.case-modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-dark-90);
    backdrop-filter: blur(8px);
    z-index: 1000002;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

.case-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.case-modal {
    background: linear-gradient(180deg, var(--color-black-700) 0%, var(--color-black-800) 100%);
    border: 1px solid var(--color-gold-30);
    border-radius: 24px;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.case-modal-overlay.active .case-modal {
    transform: translateY(0) scale(1);
}

.case-modal-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.case-modal-content {
    padding: 32px;
}

.case-modal-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-gold-500);
    margin: 0 0 16px;
}

.case-modal-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--color-white-03);
    border-radius: 12px;
}

.case-info-item {
    text-align: center;
}

.case-info-label {
    font-size: 12px;
    color: var(--color-black-200);
    margin-bottom: 4px;
}

.case-info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-gray-200, var(--color-gray-200, var(--color-black-100)));
}

.case-modal-desc {
    font-size: 15px;
    color: var(--color-black-100);
    line-height: 1.8;
    margin-bottom: 24px;
}

.case-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-dark-80);
    border: 1px solid var(--color-white-20);
    color: var(--color-white, var(--color-custom-1));
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.case-modal-close:hover {
    background: var(--color-custom-10);
    color: var(--color-black-900);
    transform: rotate(90deg);
}

/* 空状态 */
.cases-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--color-black-200);
}

.cases-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* 响应式 */
@media (max-width: 900px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cases-title {
        font-size: 32px;
    }
}

@media (max-width: 600px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .cases-title {
        font-size: 26px;
    }
    .case-modal-info {
        grid-template-columns: 1fr;
    }
    .case-modal-image {
        height: 250px;
    }
    .cases-filters {
        flex-direction: column;
        align-items: center;
    }
}