/*
 * javired.com — Portfolio v3 PREMIUM
 */

.portfolio__filters {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-10);
}

.filter-btn {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border);
    padding: 7px 18px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 250ms var(--ease-out);
}

[data-theme="light"] .filter-btn {
    color: var(--text-muted);
    border-color: var(--border);
}

.filter-btn:hover {
    color: var(--accent-primary);
    border-color: var(--border-accent);
    background: var(--accent-dim);
}

.filter-btn.active {
    color: #fff;
    background: var(--gradient-cta);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(109,40,217,0.35);
}

[data-theme="light"] .filter-btn.active {
    box-shadow: 0 4px 16px rgba(109,40,217,0.25);
}

/* ─── Grid ────────────────────────────────────────────── */
.portfolio__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}

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

/* ─── Item ────────────────────────────────────────────── */
.portfolio-item {
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 400ms var(--ease-out);
}

.portfolio-item.hidden   { opacity: 0; transform: scale(0.94) translateY(12px); pointer-events: none; }
.portfolio-item.visible  { opacity: 1; transform: scale(1) translateY(0); }

.portfolio-item__image {
    position: relative;
    aspect-ratio: 3/2;
    overflow: hidden;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    background: var(--bg-tertiary);
}

.portfolio-item__image:hover {
    box-shadow: var(--glow-card-hover), var(--shadow-xl);
    border-color: var(--border-accent);
}

[data-theme="light"] .portfolio-item__image:hover {
    border-color: rgba(109,40,217,0.20);
    box-shadow: var(--shadow-xl);
}

.portfolio-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms var(--ease-out);
    display: block;
}

.portfolio-item__image:hover img { transform: scale(1.07); }

.portfolio-item__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-6);
    opacity: 0;
    transition: opacity 350ms ease;
    background: linear-gradient(to top,
        rgba(5,5,10,0.92) 0%,
        rgba(5,5,10,0.50) 50%,
        transparent 100%
    );
}

[data-theme="light"] .portfolio-item__overlay {
    background: linear-gradient(to top,
        rgba(0,0,0,0.75) 0%,
        rgba(0,0,0,0.30) 50%,
        transparent 100%
    );
}

.portfolio-item__image:hover .portfolio-item__overlay { opacity: 1; }

.portfolio-item__title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    color: #fff;
    margin-bottom: 4px;
}

.portfolio-item__desc {
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.75);
    margin-bottom: var(--space-4);
    max-width: 100%;
    line-height: 1.5;
}

.portfolio-item__tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.portfolio-item__tag {
    font-size: 11px;
    font-weight: var(--fw-medium);
    color: rgba(255,255,255,0.85);
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
}

/* Touch devices: always show overlay */
@media (hover: none) { .portfolio-item__overlay { opacity: 1; } }