/* --------------------------------------------------------------------------
   MAURYARTE ARCHITECTURE — Gallery (Portfolio Grid & Item Overlays)
   -------------------------------------------------------------------------- */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.portfolio-item {
    display: block;
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    border: 1px solid var(--border-color);
}

.portfolio-img-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
    transition: transform 1.2s cubic-bezier(0.65, 0.05, 0.36, 1);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11,11,11,0.9) 0%, rgba(11,11,11,0.2) 100%);
    opacity: 0.85;
    transition: var(--transition-smooth);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 0.95;
}

.portfolio-item-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem;
    z-index: 2;
    transform: translateY(15px);
    transition: transform 0.8s cubic-bezier(0.65, 0.05, 0.36, 1);
}

.portfolio-item:hover .portfolio-item-content {
    transform: translateY(0);
}

.portfolio-item-tag {
    font-family: var(--font-accent);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent);
    margin-bottom: 0.8rem;
    display: block;
}

.portfolio-item-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.portfolio-item-meta {
    font-family: var(--font-accent);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--text-muted);
}

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   Sketches Grid & Premium Lightbox System
   -------------------------------------------------------------------------- */

.sketches-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4.5rem 4rem;
}

.sketches-grid .portfolio-item {
    aspect-ratio: auto;
    height: auto;
    cursor: none; /* Hide normal cursor to force custom cursor */
}

.sketches-grid .portfolio-item.portrait {
    aspect-ratio: 3 / 4;
}

.sketches-grid .portfolio-item.tall-portrait {
    aspect-ratio: 9 / 16;
}

.sketches-grid .portfolio-item.wide {
    grid-column: span 2;
    aspect-ratio: 16 / 9;
}

.sketches-grid .portfolio-item.landscape {
    aspect-ratio: 3 / 2;
}

/* Lightbox Wrapper */
.sketches-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 10, 10, 0.96);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: none; /* Force custom LERP cursor */
}

.sketches-lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    max-width: 80vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateY(30px) scale(0.98);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.sketches-lightbox.active .lightbox-content {
    transform: translateY(0) scale(1);
}

.lightbox-content img {
    max-width: 100%;
    max-height: 72vh;
    object-fit: contain;
    border: 1px solid var(--border-color);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.95);
    opacity: 0;
    transform: scale(0.98);
    transition: opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1), transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: none;
}

.lightbox-content img.loaded {
    opacity: 1;
    transform: scale(1);
}

.lightbox-info {
    margin-top: 2rem;
    text-align: center;
    max-width: 600px;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1) 0.15s, transform 0.5s cubic-bezier(0.25, 1, 0.5, 1) 0.15s;
}

.sketches-lightbox.active .lightbox-info {
    opacity: 1;
    transform: translateY(0);
}

.lightbox-tag {
    font-family: var(--font-accent);
    font-size: 0.65rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    display: block;
    margin-bottom: 0.6rem;
}

.lightbox-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
    letter-spacing: 0.02em;
}

.lightbox-meta {
    font-family: var(--font-accent);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* Lightbox Controls */
.lightbox-close {
    position: absolute;
    top: 2.5rem;
    right: 2.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 3rem;
    cursor: none;
    transition: color 0.3s ease, transform 0.3s ease;
    z-index: 2600;
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 3.5rem;
    cursor: none;
    padding: 2.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
    z-index: 2600;
    user-select: none;
    font-weight: 100;
}

.lightbox-nav:hover {
    color: var(--text-primary);
}

.lightbox-prev {
    left: 1.5rem;
}
.lightbox-prev:hover {
    transform: translateY(-50%) translateX(-5px);
}

.lightbox-next {
    right: 1.5rem;
}
.lightbox-next:hover {
    transform: translateY(-50%) translateX(5px);
}

@media (max-width: 1024px) {
    .sketches-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    .sketches-grid .portfolio-item.wide {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .lightbox-nav {
        display: none; /* Rely on swiping or tapping image on small screens */
    }
    .lightbox-content {
        max-width: 90vw;
    }
    .lightbox-title {
        font-size: 1.6rem;
    }
    .lightbox-close {
        top: 1.5rem;
        right: 1.5rem;
        font-size: 2.5rem;
    }
}