.project-detail-section {
    background: var(--bg2);
    flex-direction: column;
    gap: 2rem;
    margin-top: 0;
    margin-bottom: 0;
    padding: 2rem 1.5rem;
}

.project-detail-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: var(--content-max-reading);
    margin: 0 auto;
    width: 100%;
}

.project-detail-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1rem;
}

.project-detail-links .redirect-button {
    margin: 0;
    flex: 0 0 12.5rem;
    min-width: 12.5rem;
    max-width: 12.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.project-doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
}

.project-doc-card {
    background: var(--card);
    border-radius: 1rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: transform var(--hover-duration) var(--hover-ease), filter var(--hover-duration) var(--hover-ease);
}

.project-doc-card:hover {
    transform: translateY(var(--hover-lift-card));
    filter: brightness(1.03);
}

.project-doc-card h3 {
    margin: 0;
    color: var(--fg);
}

.project-doc-copy {
    min-height: 7.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.project-doc-card p {
    margin: 0;
    color: var(--fg);
    line-height: 1.65;
}

.project-doc-frame {
    width: 100%;
    height: 430px;
    border: 0;
    border-radius: 0.85rem;
    background: var(--readability);
}

.project-video-frame {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 0;
    border-radius: 0.85rem;
    background: var(--readability);
}

.project-assembly-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.project-assembly-item {
    margin: 0;
    background: var(--readability);
    border-radius: 0.85rem;
    overflow: hidden;
}

.project-assembly-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.project-assembly-item figcaption {
    margin: 0;
    padding: 0.6rem 0.75rem;
    color: var(--fg);
    font-family: var(--font-family);
    font-size: 0.9rem;
    line-height: 1.5;
    word-break: break-word;
}

.project-gif-row {
    display: flex;
    gap: 1rem;
    align-items: stretch;
}

.project-gif-item {
    margin: 0;
    flex: 1 1 0;
    background: var(--readability);
    border-radius: 0.85rem;
    overflow: hidden;
}

.project-gif-item img {
    width: 100%;
    height: auto;
    display: block;
}

.project-gif-item figcaption {
    margin: 0;
    padding: 0.6rem 0.75rem;
    color: var(--fg);
    font-family: var(--font-family);
    font-size: 0.9rem;
    line-height: 1.5;
    word-break: break-word;
}

@media (max-width: 900px) {
    .project-assembly-grid {
        grid-template-columns: 1fr;
    }

    .project-assembly-item img {
        height: auto;
    }

    .project-gif-row {
        flex-direction: column;
    }
}

@media (max-width: 700px) {
    .project-detail-section {
        padding: 1.5rem 1rem;
    }

    .project-detail-links {
        width: 100%;
    }

    .project-detail-links .redirect-button {
        flex: 1 1 100%;
        min-width: 0;
        max-width: 22rem;
    }

    .project-doc-frame {
        height: 340px;
    }

    .project-doc-copy {
        min-height: 0;
    }
}