/* Projects listing & detail */
.projects-page {
    background: var(--gray-50);
}

.projects-intro {
    margin: 0 auto 2rem;
    max-width: 580px;
    font-size: 1rem;
    color: var(--gray-600);
    text-align: center;
    line-height: 1.65;
}

.projects-grid {
    margin-top: 0.25rem;
}

.projects-page .section-footer nav {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.projects-page .section-footer nav > * {
    padding: 0.45rem 0.85rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--navy-800);
    border: 1px solid var(--gray-200);
    font-size: 0.9rem;
    font-weight: 600;
    background: var(--white);
}

.projects-page .section-footer nav > span,
.projects-page .section-footer nav .active {
    background: var(--gradient-brand);
    color: var(--white);
    border-color: transparent;
}

.project-card--listing {
    display: flex;
    flex-direction: column;
    height: 100%;
    border-radius: var(--radius-md);
    transition: box-shadow 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.project-card--listing:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.project-card--listing .project-card__media {
    position: relative;
}

.project-card--listing .project-card__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(8, 26, 46, 0.4) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s var(--ease-out);
}

.project-card--listing:hover .project-card__media::after {
    opacity: 1;
}

.project-card--listing .project-card__meta {
    display: flex;
    align-items: flex-start;
    gap: 0.35rem;
    margin: 0 0 0.65rem;
    font-size: 0.88rem;
    color: var(--gray-600);
}

.project-card__meta-icon {
    flex-shrink: 0;
    line-height: 1.4;
    color: var(--blue-500);
}

.project-card--listing .project-card__title {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* Detail */
.project-detail {
    padding: clamp(2rem, 4vw, 3rem) 0 clamp(3rem, 5vw, 4.5rem);
    background: var(--white);
}

.project-detail__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(2rem, 4vw, 3rem);
    align-items: start;
    margin-bottom: clamp(2rem, 4vw, 3rem);
}

.project-detail__cover-btn {
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    background: none;
    cursor: zoom-in;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.project-detail__cover {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.project-detail__cover--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    border-radius: var(--radius-lg);
    font-size: 3rem;
    color: var(--navy-600);
    opacity: 0.4;
}

.project-detail__cover-hint {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.75rem 1.15rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(transparent, rgba(8, 26, 46, 0.88));
}

.project-detail__title {
    margin: 0 0 1.35rem;
    font-size: clamp(1.65rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: var(--navy-900);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.project-detail__meta-list {
    list-style: none;
    margin: 0 0 1.75rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.project-detail__meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--gray-200);
}

.project-detail__meta-item:last-child {
    border-bottom: none;
}

.project-detail__meta-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--blue-500);
}

.project-detail__meta-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy-900);
    line-height: 1.45;
}

.project-detail__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.project-detail__section {
    margin-top: clamp(2.5rem, 4vw, 3rem);
    padding-top: clamp(2rem, 3vw, 2.5rem);
    border-top: 1px solid var(--gray-200);
}

.project-detail__section-title {
    margin: 0 0 1.15rem;
    font-size: clamp(1.2rem, 2.5vw, 1.4rem);
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.02em;
}

.project-detail__section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    margin-top: 0.6rem;
    background: linear-gradient(90deg, var(--blue-500), var(--metallic));
    border-radius: 2px;
}

.project-detail__gallery-hint {
    margin: -0.35rem 0 1.25rem;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.project-detail__content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
    max-width: 72ch;
}

/* Gallery grid */
.project-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
    gap: 0.85rem;
}

.project-gallery-grid__item {
    display: block;
    padding: 0;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--gray-100);
    cursor: zoom-in;
    box-shadow: var(--shadow-xs);
    transition: box-shadow 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.project-gallery-grid__item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.project-gallery-grid__item img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 0.4s var(--ease-out);
}

.project-gallery-grid__item:hover img {
    transform: scale(1.04);
}

/* Lightbox */
.project-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.project-lightbox[hidden] {
    display: none !important;
}

.project-lightbox__backdrop {
    position: absolute;
    inset: 0;
    border: none;
    background: rgba(8, 26, 46, 0.94);
    cursor: pointer;
}

.project-lightbox__panel {
    position: relative;
    z-index: 1;
    width: min(100%, 960px);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.project-lightbox__figure {
    margin: 0;
    width: 100%;
    text-align: center;
}

.project-lightbox__image {
    max-width: 100%;
    max-height: min(75vh, 720px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.project-lightbox__caption {
    margin-top: 0.85rem;
    font-size: 0.95rem;
    color: var(--white);
    opacity: 0.9;
}

.project-lightbox__counter {
    margin: 0.85rem 0 0;
    font-size: 0.85rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.04em;
}

.project-lightbox__close {
    position: absolute;
    top: -2.5rem;
    right: 0;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s var(--ease-out);
}

.project-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.project-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s var(--ease-out);
}

.project-lightbox__nav:hover {
    background: rgba(255, 255, 255, 0.25);
}

.project-lightbox__nav--prev {
    left: -3.25rem;
}

.project-lightbox__nav--next {
    right: -3.25rem;
}

body.project-lightbox-open {
    overflow: hidden;
}

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

    .project-lightbox__nav--prev {
        left: 0.25rem;
    }

    .project-lightbox__nav--next {
        right: 0.25rem;
    }

    .project-lightbox__close {
        top: 0.25rem;
        right: 0.25rem;
        z-index: 2;
    }
}

@media (max-width: 640px) {
    .project-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-detail__actions .btn {
        flex: 1 1 calc(50% - 0.35rem);
        justify-content: center;
        text-align: center;
    }
}