/* Pilot-only reading aids; keep the existing mobile hero and photo layout. */
.pilot-content-toc {
    margin-block: 24px 40px;
    border-block: 1px solid var(--enamel-seam);
    padding-block: 18px;
}
.pilot-content-toc > p { margin-top: 0; }
.pilot-content-toc ol { margin: 0; padding-inline-start: 24px; }
.pilot-content-toc li + li { margin-top: 4px; }
.pilot-content-toc a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    text-underline-offset: 4px;
}
.pilot-content h2[id] { scroll-margin-top: 128px; }
@media (min-width: 961px) and (min-height: 1000px) {
    .pilot-scope-photo { position: sticky; top: 128px; align-self: start; }
}

/* Isolated Muskegon proposal. Existing Archivo/enamel/scarlet tokens and hero stay in use. */
.muskegon-checks {
    --checks-photo-size: 104px;
    color: var(--ink, #1b1f1d);
    margin-block-start: 24px;
}
.muskegon-checks .project-checks-toc {
    margin: 0 0 14px;
    padding: 0;
    border: 0;
}
.muskegon-checks .project-checks-title {
    margin: 0;
    font-size: clamp(1.5rem, 2.1vw, 1.875rem);
    line-height: 1.15;
    letter-spacing: -.025em;
}
.muskegon-checks .project-checks-overview {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
    font-size: .875rem;
    color: var(--ink-2, #454c49);
}
.muskegon-checks .project-checks-overview li {
    display: flex;
    gap: 7px;
    align-items: baseline;
}
.muskegon-checks .project-checks-overview li::before {
    content: "";
    width: 5px;
    height: 5px;
    flex: 0 0 5px;
    align-self: center;
    background: var(--scarlet, #d52b42);
}
.muskegon-checks .project-checks-help {
    margin: 12px 0 8px;
    color: var(--ink-2, #454c49);
    font-size: .875rem;
    line-height: 1.5;
}
.muskegon-checks .project-checks-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.muskegon-checks .project-checks-links li,
.muskegon-checks .project-checks-links li + li { margin: 0; }
.muskegon-checks .project-checks-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 8px 12px;
    border: 1px solid var(--enamel-seam, #dde1dc);
    border-radius: 3px;
    background: var(--enamel-hi, #fbfbfa);
    color: var(--ink-2, #454c49);
    font-size: .875rem;
    font-weight: 650;
    line-height: 1.2;
    text-decoration: none;
}
.muskegon-checks .project-checks-links a:hover {
    color: var(--scarlet-deep, #b92338);
    border-color: var(--scarlet, #d52b42);
}
.muskegon-checks .project-checks-portfolio-note {
    margin: 0 0 16px;
    color: var(--ink-3, #5f6864);
    font-size: .8125rem;
    line-height: 1.5;
}
.muskegon-checks .project-checks-controls[hidden] { display: none; }
.muskegon-checks .project-checks-controls:not([hidden]) {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-block: 0 12px;
}
.muskegon-checks .project-checks-controls > button {
    min-height: 44px;
    padding: 8px 0;
    border: 0;
    background: transparent;
    color: var(--scarlet-deep, #b92338);
    font-weight: 650;
    font-size: .875rem;
    text-decoration: underline;
    text-underline-offset: 4px;
    cursor: pointer;
}
.muskegon-checks .project-check {
    margin: 0;
    padding-block: 20px;
    border-top: 1px solid var(--enamel-seam, #dde1dc);
}
.muskegon-checks .project-check:last-child {
    border-bottom: 1px solid var(--enamel-seam, #dde1dc);
}
.muskegon-checks .project-check-head {
    display: grid;
    grid-template-columns: var(--checks-photo-size) minmax(0, 1fr);
    align-items: center;
    gap: 18px;
}
.muskegon-checks .project-check-thumb {
    display: block;
    width: var(--checks-photo-size);
    height: 88px;
    max-width: none;
    margin: 0;
    border-radius: 2px;
    object-fit: cover;
    background: var(--enamel-seam, #dde1dc);
}
.muskegon-checks .project-check h2[id] {
    margin: 0;
    color: var(--ink, #1b1f1d);
    font-size: 1.625rem;
    font-weight: 750;
    line-height: 1.2;
    letter-spacing: -.022em;
    text-wrap: balance;
    scroll-margin-top: 128px;
}
.muskegon-checks .project-check-disclosure { margin: 0; }
.muskegon-checks .project-check-disclosure > summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    align-items: start;
    min-height: 44px;
    padding-block: 12px 4px;
    margin-left: calc(var(--checks-photo-size) + 18px);
    list-style: none;
    color: var(--ink-2, #454c49);
    cursor: pointer;
}
.muskegon-checks .project-check-disclosure > summary::-webkit-details-marker { display: none; }
.muskegon-checks .project-check-disclosure > summary::marker { content: ""; }
.muskegon-checks .project-check-teaser {
    font-size: .9375rem;
    line-height: 1.5;
    text-wrap: pretty;
}
.muskegon-checks .project-check-action {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 24px;
    color: var(--scarlet-deep, #b92338);
    font-weight: 700;
    font-size: .875rem;
    line-height: 1.45;
    white-space: nowrap;
}
.muskegon-checks .project-check-sign {
    position: relative;
    display: block;
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
}
.muskegon-checks .project-check-sign::before,
.muskegon-checks .project-check-sign::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 1px;
    width: 12px;
    height: 2px;
    background: currentColor;
}
.muskegon-checks .project-check-sign::after { transform: rotate(90deg); }
.muskegon-checks .project-check-when-open { display: none; }
.muskegon-checks details[open] .project-check-when-open { display: inline; }
.muskegon-checks details[open] .project-check-when-closed,
.muskegon-checks details[open] .project-check-sign::after { display: none; }
.muskegon-checks .project-check-disclosure > summary:hover .project-check-action { text-decoration: underline; text-underline-offset: 4px; }
.muskegon-checks a:focus-visible,
.muskegon-checks summary:focus-visible,
.muskegon-checks button:focus-visible { outline: 2px solid var(--royal, #2158b6); outline-offset: 4px; }
.muskegon-checks .project-check-body {
    max-width: 66ch;
    padding-top: 18px;
}
.muskegon-checks .project-check-body > p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.7;
}
.muskegon-checks .project-check-body > p + p { margin-top: 16px; }
@media (min-width: 961px) {
    .pilot-scope-grid:has(.muskegon-checks) {
        grid-template-columns: minmax(0, 7fr) minmax(250px, 3fr);
        gap: clamp(32px, 4vw, 64px);
    }
    .pilot-scope-grid:has(.muskegon-checks) > .pilot-content { max-width: none; }
}
@media (max-width: 960px) {
    .pilot-scope-grid:has(.muskegon-checks) { grid-template-columns: minmax(0, 1fr); gap: 32px; }
    .pilot-scope-grid:has(.muskegon-checks) > .pilot-content { max-width: none; }
}
@media (max-width: 640px) {
    .muskegon-checks { --checks-photo-size: 76px; }
    .muskegon-checks .project-check { padding-block: 16px; }
    .muskegon-checks .project-check-head { gap: 14px; }
    .muskegon-checks .project-check-thumb { height: 76px; }
    .muskegon-checks .project-check h2[id] { font-size: 1.375rem; line-height: 1.2; }
    .muskegon-checks .project-checks-overview { display: grid; gap: 3px; }
    .muskegon-checks .project-checks-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .muskegon-checks .project-checks-links a { width: 100%; padding-inline: 4px; }
    .muskegon-checks .project-check-disclosure > summary { margin-left: 0; gap: 12px; padding-top: 10px; }
    .muskegon-checks .project-check-teaser { font-size: .875rem; line-height: 1.5; }
    .muskegon-checks .project-check-action { font-size: .8125rem; }
    .muskegon-checks .project-check-body { padding-top: 14px; }
}
@media print {
    .muskegon-checks details::details-content { display: block; content-visibility: visible; height: auto; }
    .muskegon-checks .project-check-body { display: block; }
}


/* Controls added by progressive enhancement; native summaries work without it. */
.muskegon-checks .project-checks-controls > button:disabled {
    color: var(--ink-3); cursor: default; text-decoration: none;
}
.muskegon-checks .project-checks-controls:empty { display: none; }
.muskegon-checks .project-check-close {
    min-height: 44px; margin-top: 12px; padding: 8px 0;
    border: 0; background: transparent; color: var(--scarlet-deep);
    font-size: .875rem; font-weight: 650; line-height: 1.4;
    text-decoration: underline; text-underline-offset: 4px; cursor: pointer;
}
.muskegon-checks h2:focus-visible { outline: 2px solid var(--royal); outline-offset: 4px; }
/* wpautop can leave an empty paragraph after a standalone thumbnail. */
.muskegon-checks .project-check-head > p:empty { display: none; }
.muskegon-checks .project-check-head > .project-check-thumb { grid-column: 1; grid-row: 1; }
.muskegon-checks .project-check-head > h2 { grid-column: 2; grid-row: 1; }
@media print {
    .muskegon-checks .project-checks-controls,
    .muskegon-checks .project-check-close { display: none; }
}