/* ==============================================
   기술지원 페이지 전용 CSS
   - OS 탭 및 서비스 테이블 스타일
============================================== */

/* ===== OS Pricing Section ===== */
.os-pricing-section {
    padding: 100px 0;
    background: #f8fafb;
}

/* OS Tabs */
.os-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.os-tab {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: #fff;
    border: 2px solid #e5e8eb;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 600;
    color: #6b7684;
    cursor: pointer;
    transition: all 0.3s ease;
}

.os-tab i {
    font-size: 24px;
}

.os-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.os-tab.active {
    background: linear-gradient(135deg, var(--primary) 0%, #00B4D8 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 24px rgba(0, 212, 170, 0.3);
}

/* OS Content */
.os-content {
    display: none;
}

.os-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service Category */
.service-category {
    margin-bottom: 32px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #191f28 0%, #333d4b 100%);
    border-radius: 16px 16px 0 0;
    color: #fff;
}

.category-header.free {
    background: linear-gradient(135deg, var(--primary) 0%, #00B4D8 100%);
}

.category-header i {
    font-size: 20px;
}

.category-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

/* Service Table */
.service-table-wrapper {
    background: #fff;
    border-radius: 0 0 16px 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.service-table {
    width: 100%;
    border-collapse: collapse;
}

.service-table thead th {
    padding: 16px 24px;
    background: #f8fafb;
    font-size: 14px;
    font-weight: 600;
    color: #6b7684;
    text-align: left;
    border-bottom: 1px solid #e5e8eb;
}

.service-table thead th:last-child {
    text-align: right;
    width: 140px;
}

.service-table tbody td {
    padding: 20px 24px;
    font-size: 15px;
    color: #191f28;
    border-bottom: 1px solid #f0f2f5;
    vertical-align: top;
}

.service-table tbody tr:last-child td {
    border-bottom: none;
}

.service-table tbody tr:hover {
    background: #f8fafb;
}

.service-table tbody td strong {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.service-table tbody td .service-desc {
    display: block;
    font-size: 13px;
    color: #8b95a1;
    margin-top: 4px;
}

.service-table tbody td.price {
    text-align: right;
    font-size: 16px;
    font-weight: 700;
    color: #191f28;
    white-space: nowrap;
    vertical-align: middle;
}

.service-table tbody td.price.free {
    color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .os-tabs {
        flex-direction: column;
        gap: 12px;
    }

    .os-tab {
        padding: 14px 24px;
        font-size: 16px;
        justify-content: center;
    }

    .os-tab i {
        font-size: 20px;
    }

    .category-header {
        padding: 16px 20px;
    }

    .category-header h3 {
        font-size: 16px;
    }

    .service-table thead {
        display: none;
    }

    .service-table tbody tr {
        display: block;
        padding: 16px 20px;
        border-bottom: 1px solid #e5e8eb;
    }

    .service-table tbody tr:last-child {
        border-bottom: none;
    }

    .service-table tbody td {
        display: block;
        padding: 0;
        border: none;
    }

    .service-table tbody td:first-child {
        margin-bottom: 8px;
    }

    .service-table tbody td.price {
        text-align: left;
        font-size: 18px;
    }

    .service-table tbody td.price::before {
        content: '가격: ';
        font-weight: 400;
        font-size: 14px;
        color: #8b95a1;
    }

    .service-table tbody td.price.free::before {
        content: '';
    }
}

@media (max-width: 480px) {
    .os-pricing-section {
        padding: 60px 0;
    }

    .service-category {
        margin-bottom: 24px;
    }

    .category-header {
        padding: 14px 16px;
        border-radius: 12px 12px 0 0;
    }

    .category-header i {
        font-size: 18px;
    }

    .category-header h3 {
        font-size: 15px;
    }

    .service-table-wrapper {
        border-radius: 0 0 12px 12px;
    }

    .service-table tbody tr {
        padding: 14px 16px;
    }

    .service-table tbody td strong {
        font-size: 14px;
    }

    .service-table tbody td .service-desc {
        font-size: 12px;
    }

    .service-table tbody td.price {
        font-size: 16px;
    }
}