/* ═══════════════════════════════════════════
   PROJECTS ARCHIVE
═══════════════════════════════════════════ */

.pa-section {
    --pa-bg:      #0c0c0c;
    --pa-text:    #ffffff;
    --pa-muted:   rgba(255, 255, 255, 0.45);
    --pa-accent:  #c9a96e;
    --pa-gap:     28px;

    background-color: var(--pa-bg);
    color: var(--pa-text);
    min-height: 100vh;
    padding: clamp(60px, 8vw, 120px) clamp(24px, 5vw, 80px);
}


/* ── Header ─────────────────────────────── */

.pa-header {
    margin-bottom: clamp(32px, 4vw, 56px);
}

.pa-header__eyebrow {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--pa-accent);
    margin-bottom: 10px;
}

.pa-header__title {
    font-size: clamp(28px, 4vw, 52px);
    font-weight: 300;
    letter-spacing: -0.01em;
    margin: 0;
}


/* ── Filter Tabs ────────────────────────── */

.pa-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: clamp(40px, 6vw, 72px);
}

.pa-filter__btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--pa-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 14px 24px 12px;
    cursor: pointer;
    margin-bottom: -1px;       /* sits on top of border-bottom */
    transition: color 0.25s ease, border-color 0.25s ease;
    white-space: nowrap;
}

.pa-filter__btn:hover {
    color: var(--pa-text);
}

.pa-filter__btn.is-active {
    color: var(--pa-accent);
    border-bottom-color: var(--pa-accent);
}


/* ── Grid ───────────────────────────────── */

.pa-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--pa-gap);
}


/* ── Card ───────────────────────────────── */

.pa-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.pa-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hidden state when filtered out */
.pa-card.is-hidden {
    display: none;
}

.pa-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}


/* ── Image ──────────────────────────────── */

.pa-card__media {
    position: relative;
    overflow: hidden;
    background: #1a1a1a;
    aspect-ratio: 16 / 10;
}

.pa-card__placeholder {
    width: 100%;
    height: 100%;
    background: #1a1a1a;
}

.pa-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(100%) brightness(0.85);
    transform: scale(1);
    transition: filter 0.6s ease, transform 0.7s ease;
}

.pa-card__link:hover .pa-card__img,
.pa-card__link:focus-visible .pa-card__img {
    filter: grayscale(0%) brightness(0.95);
    transform: scale(1.04);
}


/* ── Year Badge ─────────────────────────── */

.pa-card__year {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(12, 12, 12, 0.75);
    backdrop-filter: blur(6px);
    color: var(--pa-text);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    padding: 4px 10px;
    pointer-events: none;
}


/* ── Meta ───────────────────────────────── */

.pa-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 18px;
    gap: 16px;
}

.pa-card__title {
    font-size: clamp(16px, 2vw, 22px);
    font-weight: 300;
    margin: 0 0 6px;
    transition: color 0.3s ease;
}

.pa-card__link:hover .pa-card__title {
    color: var(--pa-accent);
}

.pa-card__category {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--pa-muted);
    margin: 0;
}

.pa-card__dash {
    display: block;
    width: 32px;
    height: 1px;
    background: var(--pa-muted);
    flex-shrink: 0;
    transition: width 0.4s ease, background-color 0.3s ease;
}

.pa-card__link:hover .pa-card__dash {
    width: 48px;
    background: var(--pa-accent);
}

.pa-empty {
    color: var(--pa-muted);
    font-size: 14px;
}


/* ── Responsive ─────────────────────────── */

@media ( max-width: 1024px ) {
    .pa-filter__btn { padding: 12px 16px 10px; }
}

@media ( max-width: 640px ) {
    .pa-grid { grid-template-columns: 1fr; }
    .pa-card__media { aspect-ratio: 4 / 3; }
    .pa-filters { gap: 0; }
    .pa-filter__btn { padding: 10px 12px 8px; font-size: 10px; }
}