/* ── Projects Archive ── */
.projects-archive__hero {
    background: linear-gradient(135deg, var(--color-navy-deeper), var(--color-navy));
    padding: var(--space-16) 0;
}

.projects-archive__hero h1 { color: var(--color-white); }
.projects-archive__hero p  { color: rgba(255,255,255,0.7); }

.projects-archive__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    padding-block: var(--space-10);
}

.projects-archive__grid .project-card { aspect-ratio: 16/10; }

/* ── Project Single ── */
.project-single__hero {
    position: relative;
    height: 500px;
    overflow: hidden;
    background: var(--color-navy-deeper);
}

.project-single__hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.project-single__hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2,30,54,0.95) 0%, transparent 60%);
}

.project-single__hero-content {
    position: absolute;
    bottom: var(--space-12);
    inset-inline: var(--space-10);
    color: var(--color-white);
    max-width: 800px;
}

.project-single__hero-content h1 {
    color: var(--color-white);
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    margin-bottom: var(--space-3);
}

.project-single__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
    align-items: center;
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.75);
}

.project-meta-item svg { color: var(--color-gold); }

.project-single__body {
    padding-block: var(--space-12);
}

.project-single__layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-12);
    align-items: start;
}

.project-description {
    font-size: var(--text-md);
    line-height: var(--leading-relaxed);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
}

/* Project Gallery Lightbox */
.project-gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.project-gallery__item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    position: relative;
}

.project-gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-gallery__item:hover img { transform: scale(1.06); }

.project-gallery__item::after {
    content: '⊕';
    position: absolute;
    inset: 0;
    background: rgba(2,30,54,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 32px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.project-gallery__item:hover::after { opacity: 1; }

/* Sidebar */
.project-sidebar-card {
    background: var(--color-off-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-5);
}

.project-sidebar-card__title {
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-sidebar-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-4);
}

.project-sidebar-row:last-child { border-bottom: none; }

.project-sidebar-row__label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: var(--weight-medium);
    flex-shrink: 0;
}

.project-sidebar-row__value {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
    text-align: end;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.lightbox__img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.lightbox__close {
    position: absolute;
    top: var(--space-5);
    inset-inline-end: var(--space-5);
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    transition: background var(--transition-fast);
}

.lightbox__close:hover { background: rgba(255,255,255,0.2); }

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    transition: background var(--transition-fast);
}

.lightbox__nav:hover { background: rgba(255,255,255,0.25); }
.lightbox__prev { inset-inline-start: var(--space-5); }
.lightbox__next { inset-inline-end: var(--space-5); }

@media (max-width: 900px) {
    .projects-archive__grid { grid-template-columns: repeat(2, 1fr); }
    .project-single__layout { grid-template-columns: 1fr; }
    .project-single__hero { height: 350px; }
    .project-single__hero-content { inset-inline: var(--space-5); bottom: var(--space-8); }
}

@media (max-width: 600px) {
    .projects-archive__grid { grid-template-columns: 1fr; }
    .project-gallery__grid { grid-template-columns: repeat(2, 1fr); }
}