/* ═══════════════════════════════════════════════════════════════════
   Nadics Digital Solution — Portfolio Page Styles
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Filter Tabs ────────────────────────────────────────────────── */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.portfolio-filter {
    padding: 0.55rem 1.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

.portfolio-filter:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(71,23,219,0.05);
}

.portfolio-filter.active {
    color: var(--white);
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(71,23,219,0.3);
}


/* ─── Portfolio Grid ─────────────────────────────────────────────── */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.portfolio-item {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: var(--white);
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 12px rgba(13,11,26,0.05);
    transition: transform var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out),
                border-color var(--duration-normal) var(--ease-out);
    isolation: isolate;
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

/* ── Media ── */
.portfolio-item__media {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--gradient-soft);
}

.portfolio-item__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__image {
    transform: scale(1.08);
}

/* Floating category badge, always visible */
.portfolio-item__badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    z-index: 2;
    display: inline-flex;
    padding: 0.3rem 0.7rem;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--white);
    background: rgba(13,11,26,0.55);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: var(--radius-full);
}

/* Hover veil with a magnify affordance */
.portfolio-item__veil {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, rgba(71,23,219,0.35), rgba(13,11,26,0.55));
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__veil {
    opacity: 1;
}

.portfolio-item__zoom {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(255,255,255,0.16);
    border: 1px solid rgba(255,255,255,0.4);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transform: scale(0.7);
    opacity: 0;
    transition: transform var(--duration-normal) var(--ease-out),
                opacity var(--duration-normal) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__zoom {
    transform: scale(1);
    opacity: 1;
}

.portfolio-item__zoom svg { width: 24px; height: 24px; }

/* ── Body (always visible caption) ── */
.portfolio-item__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: var(--space-lg);
}

.portfolio-item__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.35;
    margin-bottom: var(--space-xs);
    transition: color var(--duration-fast) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__title {
    color: var(--primary);
}

.portfolio-item__client {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: var(--space-md);
}

.portfolio-item__client svg {
    width: 15px;
    height: 15px;
    color: var(--accent);
    flex-shrink: 0;
}

.portfolio-item__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-light);
}

.portfolio-item__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
}

.portfolio-item__cta svg {
    width: 14px;
    height: 14px;
    transition: transform var(--duration-fast) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__cta svg {
    transform: translateX(4px);
}

.portfolio-item__link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    background: rgba(71,23,219,0.06);
    border: 1px solid var(--border-light);
    transition: all var(--duration-fast) var(--ease-out);
}

.portfolio-item__link:hover {
    color: var(--white);
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-2px);
}

.portfolio-item__link svg { width: 16px; height: 16px; }


/* ─── Lightbox ───────────────────────────────────────────────────── */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(13,11,26,0.95);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-out);
    padding: var(--space-xl);
}

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

.lightbox__close {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    z-index: 2001;
}

.lightbox__close:hover {
    background: var(--error);
    border-color: transparent;
}

.lightbox__content {
    max-width: 900px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    background: var(--dark-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--duration-normal) var(--ease-out);
}

.lightbox.open .lightbox__content {
    transform: scale(1) translateY(0);
}

.lightbox__image {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
}

.lightbox__details {
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.lightbox__category {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-light);
    margin-bottom: var(--space-sm);
}

.lightbox__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.lightbox__client {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.lightbox__desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.lightbox__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.7rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--duration-normal) var(--ease-out);
}

.lightbox__link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}


/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .lightbox__content {
        grid-template-columns: 1fr;
        max-height: 90vh;
        overflow-y: auto;
    }

    .lightbox__image {
        max-height: 250px;
    }
}

@media (max-width: 480px) {
    .portfolio-filters {
        gap: var(--space-xs);
    }

    .portfolio-filter {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }
}