.page-technical-article .skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 2000;
    padding: 10px 14px;
    border: 2px solid var(--primary-dark);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--primary-dark);
    font-weight: 700;
    transform: translateY(-180%);
}

.page-technical-article .skip-link:focus {
    transform: translateY(0);
}

.ta-draft-notice {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text-light);
    font-size: var(--text-sm);
}

.ta-draft-notice strong {
    color: var(--dark-soft);
}

.ta-content {
    width: min(100%, 848px);
    margin: 0 auto;
    padding: 52px 24px 68px;
}

.ta-content > :first-child {
    margin-top: 0;
}

.ta-content h2 {
    margin: 48px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary);
    color: var(--dark-soft);
    font-size: var(--text-xl);
    line-height: 1.3;
}

.ta-content h3 {
    margin: 28px 0 10px;
    color: var(--dark-soft);
    font-size: var(--text-lg);
    line-height: 1.4;
}

.ta-content p {
    margin-bottom: 18px;
}

.ta-content ul,
.ta-content ol {
    margin: 18px 0 22px;
    padding-left: 24px;
}

.ta-content li {
    margin-bottom: 9px;
}

.ta-direct-answer,
.ta-note,
.ta-limit {
    margin: 24px 0;
    padding: 20px 22px;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
    background: var(--bg-alt);
}

.ta-direct-answer {
    margin-top: 0;
    font-size: var(--text-lg);
}

.ta-direct-answer p:last-child,
.ta-note p:last-child,
.ta-limit p:last-child {
    margin-bottom: 0;
}

.ta-limit {
    border: 1px solid var(--border);
    border-left-width: 4px;
    background: var(--bg);
}

.ta-figure {
    margin: 34px 0 42px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-alt);
    box-shadow: var(--shadow);
}

.ta-figure img {
    width: 100%;
    border-radius: calc(var(--radius) + 2px);
    background: var(--bg);
}

.ta-figure figcaption {
    padding: 14px 4px 2px;
    color: var(--text-light);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.ta-legend {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 24px 0 34px;
}

.ta-legend-item {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text-light);
    font-size: var(--text-sm);
    line-height: 1.45;
}

.ta-legend-item strong {
    display: block;
    color: var(--text);
}

.ta-clearance-value {
    display: grid;
    grid-template-columns: minmax(150px, 190px) 1fr;
    gap: 24px;
    align-items: center;
    margin: 26px 0;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-alt);
}

.ta-clearance-number {
    color: var(--primary-dark);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
}

.ta-clearance-number span {
    display: block;
    margin-top: 8px;
    color: var(--text-light);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0;
    line-height: 1.4;
}

.ta-clearance-value p {
    margin-bottom: 0;
}

.ta-tradeoff-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 26px 0;
}

.ta-tradeoff-card {
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-alt);
}

.ta-tradeoff-card h3 {
    margin-top: 0;
}

.ta-tradeoff-card p:last-child {
    margin-bottom: 0;
}

.ta-selection-list {
    columns: 2;
    column-gap: 36px;
}

.ta-selection-list li {
    break-inside: avoid;
}

.ta-faq {
    margin-top: 24px;
}

.ta-faq details {
    margin: 12px 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    overflow: hidden;
}

.ta-faq summary {
    min-height: 48px;
    padding: 16px 18px;
    color: var(--dark-soft);
    font-weight: 700;
    cursor: pointer;
}

.ta-faq details p {
    padding: 0 18px 18px;
    color: var(--text);
}

.ta-cta {
    margin-top: 52px;
    padding: 32px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--bg);
}

.ta-cta h2 {
    margin: 0 0 12px;
    padding: 0;
    border: 0;
    color: var(--bg);
}

.ta-cta p {
    color: var(--bg);
}

.ta-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.ta-cta .btn-primary {
    background: var(--bg);
    color: var(--primary-dark);
}

.ta-cta .btn-secondary {
    border-color: var(--bg);
    color: var(--bg);
}

.ta-related {
    padding: 52px 0;
    background: var(--bg-alt);
}

.ta-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.ta-related-card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
}

.ta-related-card h3 {
    margin: 0 0 10px;
    font-size: var(--text-lg);
}

.ta-related-card p {
    margin-bottom: 12px;
    color: var(--text-light);
    font-size: var(--text-sm);
}

@media (max-width: 768px) {
    .ta-content {
        padding: 40px 20px 52px;
    }

    .ta-content h2 {
        margin-top: 40px;
    }

    .ta-legend {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ta-clearance-value,
    .ta-tradeoff-grid,
    .ta-related-grid {
        grid-template-columns: 1fr;
    }

    .ta-selection-list {
        columns: 1;
    }

    .ta-cta {
        padding: 26px 22px;
    }
}

@media (max-width: 390px) {
    .ta-legend {
        grid-template-columns: 1fr;
    }

    .ta-cta-actions .btn {
        width: 100%;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .page-technical-article *,
    .page-technical-article *::before,
    .page-technical-article *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}