.qna-card {
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #ffffff;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #eef2f7;
}

.qna-header {
    padding: 20px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    background: #f8faff;
    border-bottom: 1px solid #eef2f7;
}

.qna-header .header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.qna-header .header-left .header-text h3 {
    font-weight: 700;
    font-size: 1.4rem;
    color: #1a1a2e;
    margin: 0;
}

.qna-header .header-left .header-text h3 span {
    color: #4f46e5;
}

.faq-badge-simple {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #4f46e5;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 4px 14px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.mt-10 { margin-top: 10px; }
.pt-30 { padding-top: 30px; }

.qna-dropdown {
    border-bottom: 1px solid #eef2f7;
    transition: all 0.3s ease;
}

.qna-dropdown:last-child {
    border-bottom: none;
}

.qna-dropdown-header {
    padding: 18px 28px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
    user-select: none;
}

.qna-dropdown-header:hover {
    background: #fafbfc;
}

.qna-dropdown-header .question-content {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
}

.qna-dropdown-header .question-content .q-text {
    font-weight: 600;
    font-size: 1rem;
    color: #1a1a2e;
    margin: 0;
}

.qna-dropdown-header .toggle-icon {
    width: 32px;
    height: 32px;
    background: #f0f4f8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.qna-dropdown-header .toggle-icon svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: #6b7280;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 0.3s ease;
}

.qna-dropdown.active .toggle-icon {
    background: #4f46e5;
}

.qna-dropdown.active .toggle-icon svg {
    stroke: #ffffff;
    transform: rotate(180deg);
}

.qna-dropdown-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.4s ease;
    padding: 0 28px;
}

.qna-dropdown-body.open {
    max-height: 2500px;
    padding: 0 28px 28px;
}

.qna-dropdown-body .answer-content {
    background: #f8faff;
    border-radius: 16px;
    padding: 24px 28px;
    border-left: 4px solid #4f46e5;
    animation: fadeSlideIn 0.4s ease;
}

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

.qna-dropdown-body .answer-content p {
    font-size: 0.95rem;
    color: #1f2937;
    line-height: 1.7;
    margin: 0 0 12px 0;
}

.qna-dropdown-body .answer-content p:last-child {
    margin-bottom: 0;
}

/* ---- TABLEAUX ---- */
.table-responsive {
    overflow-x: auto;
    margin: 16px 0 8px;
    border-radius: 10px;
    border: 1px solid #eef2f7;
}

.faq-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 400px;
}

.faq-table thead {
    background: #f1f5f9;
}

.faq-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #4b5563;
    border-bottom: 2px solid #e5e7eb;
}

.faq-table tbody tr {
    border-bottom: 1px solid #f3f4f6;
    transition: background 0.15s ease;
}

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

.faq-table tbody tr:hover {
    background: #fafbfc;
}

.faq-table tbody td {
    padding: 11px 16px;
    color: #1f2937;
    vertical-align: middle;
}

.faq-table .price-highlight {
    color: #1a1a2e;
    font-weight: 700;
}

/* ---- COMPETITORS LIST ---- */
.competitors-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin: 16px 0 8px;
}

.competitor-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid #eef2f7;
    text-decoration: none;
    color: #1a1a2e;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-transform: capitalize;
}

.competitor-link:hover {
    border-color: #4f46e5;
    background: #f8faff;
    color: #4f46e5;
    transform: translateX(4px);
    box-shadow: 0 2px 12px rgba(79, 70, 229, 0.08);
}

.competitor-link .link-arrow {
    display: flex;
    align-items: center;
    color: #cbd5e1;
    transition: all 0.3s ease;
}

.competitor-link:hover .link-arrow {
    color: #4f46e5;
    transform: translateX(4px);
}

.competitor-link .link-arrow svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---- TECH SHEET ---- */
.tech-sheet-box {
    margin: 12px 0 8px;
    padding: 16px 20px;
    background: #eef2f7;
    border-radius: 10px;
    text-align: center;
}

.tech-sheet-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #1a1a2e;
    color: #ffffff;
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.tech-sheet-btn:hover {
    background: #4f46e5;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
}

.tech-sheet-btn .btn-arrow {
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.tech-sheet-btn:hover .btn-arrow {
    transform: translateX(4px);
}

.qna-dropdown-body .answer-content .a-text {
    font-size: 0.95rem;
    color: #1f2937;
    line-height: 1.7;
}

.qna-dropdown-body .answer-content .a-text ul {
    margin: 12px 0 8px;
    padding-left: 20px;
}

.qna-dropdown-body .answer-content .a-text ul li {
    margin-bottom: 6px;
}

.qna-dropdown-body .answer-content .a-text a {
    color: #4f46e5;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid rgba(79, 70, 229, 0.2);
    transition: border-color 0.2s ease;
}

.qna-dropdown-body .answer-content .a-text a:hover {
    border-bottom-color: #4f46e5;
}

.qna-dropdown-body .answer-content .a-text strong {
    color: #1a1a2e;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .qna-header { padding: 18px 20px; flex-wrap: wrap; }
    .qna-header .header-text h3 { font-size: 0.95rem; }
    .qna-dropdown-header { padding: 14px 20px; }
    .qna-dropdown-header .question-content .q-text { font-size: 0.9rem; }
    .qna-dropdown-body { padding: 0 20px; }
    .qna-dropdown-body.open { padding: 0 20px 20px; }
    .qna-dropdown-body .answer-content { padding: 18px 20px; }
    .competitors-list { grid-template-columns: 1fr; }
    .faq-table { font-size: 0.82rem; min-width: 300px; }
    .faq-table thead th, .faq-table tbody td { padding: 8px 12px; }
    .tech-sheet-btn { font-size: 0.85rem; padding: 8px 18px; }
}

@media (max-width: 480px) {
    .qna-header { padding: 14px 16px; flex-direction: column; align-items: flex-start; }
    .qna-header .header-text h3 { font-size: 0.85rem; }
    .faq-badge-simple { font-size: 0.6rem; padding: 2px 10px; }
    .qna-dropdown-header { padding: 12px 16px; }
    .qna-dropdown-header .question-content .q-text { font-size: 0.82rem; }
    .qna-dropdown-body { padding: 0 16px; }
    .qna-dropdown-body.open { padding: 0 16px 16px; }
    .qna-dropdown-body .answer-content { padding: 14px 16px; }
    .qna-dropdown-body .answer-content p { font-size: 0.82rem; }
    .competitors-list { grid-template-columns: 1fr; }
    .competitor-link { font-size: 0.8rem; padding: 8px 12px; }
    .faq-table { font-size: 0.7rem; min-width: 250px; }
    .faq-table thead th, .faq-table tbody td { padding: 6px 10px; }
    .tech-sheet-btn { font-size: 0.75rem; padding: 6px 14px; }
}