.methodology-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #1a2332;
}

/* Header with title and logo */
.methodology-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: -1.5rem -1.5rem 1rem;
    padding: 0.85rem 1.5rem;
    background: #1a2332;
    border-radius: 4px 8px 0 0;
}

.methodology-section__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    color: #fff;
}

.methodology-section__logo {
    max-height: 32px;
    max-width: 160px;
    width: auto;
    height: auto;
    flex-shrink: 0;
    border: none !important;
    outline: none;
    box-shadow: none;
}

/* Test details (dl/dt/dd) — always visible */
.methodology-section__detail-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin: 0 0 1rem;
    padding: 0;
}

.methodology-section__detail-item {
    display: flex;
    gap: 0.4rem;
    font-size: 0.9rem;
}

.methodology-section__detail-item dt {
    font-weight: 600;
    color: #444;
    white-space: nowrap;
}

.methodology-section__detail-item dt::after {
    content: ':';
}

.methodology-section__detail-item dd {
    margin: 0;
    color: #333;
}

/* Standards tags */
.methodology-section__standards {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    margin: 1.25rem 0 0;
}

.methodology-section__standards-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.methodology-section__standard-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #2a7d9b;
    background: #e6f5fa;
    border: 1px solid #c4e5f0;
    border-radius: 3px;
    padding: 0.15rem 0.5rem;
    white-space: nowrap;
}

/* Expand/collapse toggle */
.methodology-section__expand {
    border: none;
}

.methodology-section__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--tyre-reviews-blue, #0db1e7);
    cursor: pointer;
    list-style: none;
    padding: 0.4rem 0;
    user-select: none;
}

.methodology-section__toggle::-webkit-details-marker {
    display: none;
}

.methodology-section__toggle::before {
    content: '\f078';
    font-family: 'FontAwesome';
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.methodology-section__expand[open] > .methodology-section__toggle::before {
    transform: rotate(180deg);
}

/* Show/hide label swap */
.methodology-section__toggle-hide {
    display: none;
}

.methodology-section__expand[open] .methodology-section__toggle-show {
    display: none;
}

.methodology-section__expand[open] .methodology-section__toggle-hide {
    display: inline;
}

/* Collapsible body */
.methodology-section__body {
    padding-top: 1rem;
}

.methodology-section__intro {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 0.5rem;
}

.methodology-section__intro:last-of-type {
    margin-bottom: 1.25rem;
}

.methodology-section__subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.75rem;
    color: #333;
}

/* ── Collapsible panels (equipment, break-in, calibration) ── */
.methodology-section__panels {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    background: #fff;
    overflow: hidden;
}

.methodology-section__panel {
    border-bottom: 1px solid #e0e0e0;
}

.methodology-section__panel:last-child {
    border-bottom: none;
}

.methodology-section__panel-heading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background 0.15s ease;
}

.methodology-section__panel-heading:hover {
    background: #f0f6fa;
}

.methodology-section__panel-heading::-webkit-details-marker {
    display: none;
}

.methodology-section__panel-heading::before {
    content: '\f054';
    font-family: 'FontAwesome';
    font-size: 0.65rem;
    color: var(--tyre-reviews-blue, #0db1e7);
    transition: transform 0.2s ease;
    flex-shrink: 0;
    width: 0.75rem;
    text-align: center;
}

.methodology-section__panel[open] > .methodology-section__panel-heading::before {
    transform: rotate(90deg);
}

.methodology-section__panel[open] > .methodology-section__panel-heading {
    border-bottom: 1px solid #e8e8e8;
}

.methodology-section__panel-body {
    padding: 0.75rem 1rem 0.75rem 2.25rem;
}

.methodology-section__panel-text {
    font-size: 0.9rem;
    line-height: 1.65;
    color: #555;
    margin: 0;
}

/* Full methodology page link */
.methodology-section__full-link {
    margin: 1.25rem 0 0;
    font-size: 0.9rem;
    font-weight: 600;
}

.methodology-section__full-link a {
    color: var(--tyre-reviews-blue, #0db1e7);
    text-decoration: none;
}

.methodology-section__full-link a:hover {
    color: var(--tyre-reviews-blue-dark, #0a9bcc);
    text-decoration: underline;
}


/* ── Mobile ── */
@media (max-width: 768px) {
    .methodology-section {
        padding: 1rem;
    }

    .methodology-section__header {
        margin: -1rem -1rem 1rem;
        padding: 0.75rem 1rem;
        border-radius: 4px 8px 0 0;
    }

    .methodology-section__logo {
        max-height: 24px;
        max-width: 120px;
    }

    .methodology-section__detail-list {
        flex-direction: column;
        gap: 0.3rem;
    }

    .methodology-section__panel-body {
        padding-left: 1rem;
        padding-right: 0.75rem;
    }
}