:root {
            --color-primary: #007acc;
            --color-success: #28a745;
            --color-error: #dc3545;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font: 16px/1.6 system-ui, -apple-system, sans-serif;
            color: #333;
            background: #fff;
        }

        .container {
            width: 100%;
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 20px;
        }

        #header-placeholder {
            min-height: 70px;
        }

        .quiz-hero {
            padding: 20px 0 10px;
            text-align: center;
            background: #fdfdfd;
        }

        .quiz-hero h1 {
            font-size: 30px;
            color: #2c3e50;
            margin-bottom: 8px;
        }

        .quiz-hero p {
            font-size: 16px;
            color: #555;
            max-width: 720px;
            margin: 0 auto 14px;
        }

        .test-container {
            background: #fff;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #eee;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            margin-bottom: 40px;
        }

        .test-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid #f0f0f0;
        }

        .progress-group {
            flex-grow: 1;
            margin: 0 20px;
        }

        .progress-bar-bg {
            background: #eee;
            height: 8px;
            border-radius: 4px;
            overflow: hidden;
        }

        .progress-bar-fill {
            background: var(--color-success);
            height: 100%;
            width: 0%;
            transition: width 0.3s;
        }

        .section-nav {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .section-badge {
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid #ddd;
            font-size: 12px;
            font-weight: bold;
            color: #666;
            background: #f5f5f5;
        }

        .section-badge.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .question-box {
            min-height: 200px;
        }

        .question-text {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 24px;
            color: #333;
        }

        .answers-list {
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .answer-btn {
            padding: 15px;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            text-align: left;
            background: #fff;
            font-size: 16px;
            width: 100%;
            display: flex;
            align-items: flex-start;
        }

        .answer-btn:hover {
            border-color: var(--color-primary);
            background: #f8f9fa;
        }

        .answer-btn.selected {
            border-color: var(--color-primary);
            background: #e3f2fd;
        }

        .answer-btn.correct {
            background: #d4edda;
            border-color: var(--color-success);
        }

        .answer-btn.incorrect {
            background: #f8d7da;
            border-color: var(--color-error);
        }

        .answer-btn:disabled {
            cursor: not-allowed;
        }

        .test-nav {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
        }

        .btn-nav {
            padding: 12px 24px;
            border-radius: 6px;
            border: none;
            font-weight: bold;
            cursor: pointer;
            transition: 0.2s;
        }

        .btn-prev {
            background: #6c757d;
            color: #fff;
        }

        .btn-next {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-submit {
            background: var(--color-success);
            color: #fff;
            display: none;
        }

        .btn-nav:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .results-section {
            display: none;
            text-align: center;
            padding: 40px 0;
        }

        .score-columns {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }

        .section-score {
            padding: 15px;
            border-radius: 8px;
            background: #f8f9fa;
        }

        .section-score h4 {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .section-score .score {
            font-size: 24px;
            font-weight: bold;
        }

        .results-nav {
            display: flex;
            gap: 15px;
            justify-content: center;
            margin-top: 24px;
        }

        .btn-secondary {
            background: #17a2b8;
            color: #fff;
            padding: 12px 24px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: bold;
        }

        .content-body {
            margin-top: 40px;
            padding-bottom: 80px;
        }

        .content-body h2 {
            font-size: 28px;
            color: #2c3e50;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }

        .content-body h3 {
            font-size: 20px;
            color: #2c3e50;
            margin: 28px 0 12px;
        }

        .faq-item h3 {
            display: block;
            font-size: 18px;
            margin: 0 0 8px;
            color: #2c3e50;
        }

        .content-body p {
            margin-bottom: 20px;
            line-height: 1.8;
            color: #444;
        }

        .content-body ul {
            margin-bottom: 24px;
            padding-left: 24px;
        }

        .content-body li {
            margin-bottom: 12px;
            color: #444;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
        }

        .data-table th,
        .data-table td {
            padding: 12px 15px;
            border: 1px solid #ddd;
            text-align: left;
        }

        .data-table th {
            background: #f8f9fa;
            font-weight: 700;
            color: #333;
        }

        .faq-section {
            margin-top: 60px;
        }

        .faq-item {
            margin-bottom: 24px;
        }

        .faq-item strong {
            display: block;
            font-size: 18px;
            margin-bottom: 8px;
            color: #2c3e50;
        }

        @media (max-width: 768px) {
            .quiz-hero h1 {
                font-size: 28px;
            }

            .test-header {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }

            .progress-group {
                width: 100%;
                margin: 0;
            }
        }
    

* { margin: 0; padding: 0; box-sizing: border-box; }

/* ── Header ── */

/* ── Nav ── */

/* ── Dropdown ── */

/* ── CTA Button ── */

/* ── Auth buttons ── */
@media (max-width: 768px) {
}

/* ── Footer ── */
footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 56px 0 32px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: #64748b;
    margin: 12px 0 20px;
    max-width: 260px;
}

.footer-brand .footer-logo {
    font-size: 16px;
    font-weight: 700;
    color: #f1f5f9;
}

.footer-badge {
    display: inline-block;
    padding: 5px 12px;
    background: rgba(0,122,204,0.15);
    color: #38bdf8;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.footer-col h3 {
    font-size: 13px;
    font-weight: 700;
    color: #f1f5f9;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 14px;
}

.footer-col ul { list-style: none; padding: 0; margin: 0; }

.footer-col ul li { margin-bottom: 8px; }

.footer-col ul li a {
    color: #64748b;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.15s;
    line-height: 1.4;
    display: block;
}

.footer-col ul li a:hover { color: #38bdf8; }

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p { font-size: 13px; color: #475569; }

.footer-bottom a { color: #475569; text-decoration: none; font-size: 13px; }
.footer-bottom a:hover { color: #94a3b8; }

/* ── Mobile ── */
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: minmax(0, 1fr); }
}

.breadcrumb{max-width:1280px;margin:14px auto 0;padding:0 32px;font-size:13px;color:#64748b}.breadcrumb a{color:#64748b;text-decoration:none}.breadcrumb a:hover{color:#007acc;text-decoration:underline}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:26px 0;width:0;min-width:100%}.table-wrap table{margin:0;min-width:640px}