/* Expandable project ledger */
.project-ledger-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-top: clamp(5rem, 10vw, 10rem);
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(var(--text-rgb), 0.3);
}

.project-ledger-heading h3 {
    margin: 0;
    color: var(--text-color);
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 1;
    letter-spacing: -0.04em;
}

.project-ledger-heading p {
    margin: 0;
    color: rgba(var(--text-rgb), 0.6);
    font-size: 0.9rem;
}

.project-ledger {
    border-bottom: 1px solid rgba(var(--text-rgb), 0.3);
}

.project-row {
    border-top: 1px solid rgba(var(--text-rgb), 0.12);
}

.project-row:first-child {
    border-top: 0;
}

.project-row-summary {
    display: grid;
    grid-template-columns: minmax(11rem, 1.1fr) minmax(14rem, 2fr) minmax(10rem, 1.2fr) minmax(5rem, 0.55fr) 1.5rem;
    gap: 1.5rem;
    align-items: center;
    min-height: 104px;
    padding: 1.25rem 0;
    cursor: pointer;
    list-style: none;
    transition: background 0.2s ease;
}

.project-row-summary::-webkit-details-marker {
    display: none;
}

.project-row-summary:hover {
    background: rgba(var(--accent-rgb), 0.045);
}

.project-row-identity {
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.75rem;
    align-items: baseline;
}

.project-row-number {
    color: var(--secondary-color);
}

.project-row-title {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.25;
}

.project-row-description {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    color: rgba(var(--text-rgb), 0.68);
    font-size: 0.86rem;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.project-row-summary .project-tech {
    margin: 0;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.project-row-proof {
    margin: 0;
    color: rgba(var(--accent-rgb), 0.88);
    letter-spacing: 0.06em;
}

.project-row-toggle {
    position: relative;
    display: block;
    width: 1.25rem;
    height: 1.25rem;
}

.project-row-toggle::before,
.project-row-toggle::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 1px;
    content: "";
    background: var(--secondary-color);
    transform: translate(-50%, -50%);
    transition: transform 0.25s ease;
}

.project-row-toggle::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.project-row[open] .project-row-toggle::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.project-row-panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-row[open] .project-row-panel {
    grid-template-rows: 1fr;
}

.project-row-panel-inner {
    display: grid;
    grid-template-columns: minmax(16rem, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(1.5rem, 4vw, 4rem);
    min-height: 0;
    overflow: hidden;
}

.project-row[open] .project-row-panel-inner {
    padding: 0 0 2.5rem 2.75rem;
}

.project-row-copy {
    align-self: center;
    padding-right: clamp(0rem, 4vw, 4rem);
}

.project-row-copy .project-row-description {
    display: block;
    color: rgba(var(--text-rgb), 0.76);
    font-size: 0.95rem;
    line-height: 1.7;
}

@media (max-width: 1099px) {
    .project-row-summary {
        grid-template-columns: minmax(10rem, 1fr) minmax(14rem, 1.5fr) minmax(8rem, 1fr) 1.5rem;
    }

    .project-row-proof {
        display: none;
    }
}

@media (max-width: 767px) {
    .project-ledger-heading {
        display: block;
        margin-top: 6rem;
    }

    .project-ledger-heading p {
        margin-top: 0.75rem;
    }

    .project-row-summary {
        grid-template-columns: minmax(0, 1fr) 1.5rem;
        gap: 1rem;
        min-height: 76px;
        padding: 1rem 0;
    }

    .project-row-summary > .project-row-description,
    .project-row-summary > .project-tech,
    .project-row-summary > .project-row-proof {
        display: none;
    }

    .project-row-panel-inner {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-row[open] .project-row-panel-inner {
        padding: 0 0 2rem;
    }

    .project-row-copy {
        padding-right: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .project-row-panel,
    .project-row-toggle::after {
        transition: none;
    }
}