/* =============================================
   Projects Page Styles
   ============================================= */

/* Projects Hero */
.projects-hero {
    padding: 6rem 0 0rem;
    background: transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.projects-hero::before {
    display: none;
}

.projects-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--secondary);
    margin-bottom: 1rem;
}

.projects-hero h1 span {
    color: var(--primary);
}

.projects-hero p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Filter Section */
.projects-filter {
    padding: 1.5rem 0 1rem;
    background: var(--white);
    position: sticky;
    top: 80px;
    z-index: 100;
    border-bottom: 2px solid var(--primary);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 0;
    padding-top: 0;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--gray-300);
    background: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
}

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

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* Projects Gallery */
.projects-gallery {
    padding: 3rem 0;
    background: var(--gray-50);
    position: relative;
}

.projects-gallery::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 5%;
    width: 2px;
    background: var(--primary);
}

/* Masonry Grid */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 320px;
    gap: 1.5rem;
}

.masonry-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.masonry-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.masonry-item.tall {
    grid-row: span 2;
}

.masonry-item.wide {
    grid-column: span 2;
}

.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

/* Masonry Overlay */
.masonry-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 26, 26, 0.9) 0%, rgba(26, 26, 26, 0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.masonry-item:hover .masonry-overlay {
    opacity: 1;
}

.masonry-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary);
    border-radius: 20px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 0.5rem;
    width: fit-content;
}

.masonry-overlay h3 {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.masonry-overlay p {
    color: var(--gray-300);
    font-size: 0.9rem;
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}



/* Responsive */
@media (max-width: 1024px) {
    .masonry-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 280px;
    }
}

@media (max-width: 768px) {
    .masonry-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 250px;
    }

    .masonry-item.wide {
        grid-column: span 1;
    }

    .projects-hero {
        padding: 6rem 0 3rem;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .masonry-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }

    .masonry-item.tall,
    .masonry-item.wide {
        grid-row: span 1;
        grid-column: span 1;
    }
}

/* =============================================
   Lightbox Modal
   ============================================= */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 3rem;
    color: var(--white);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
    z-index: 10;
}

.lightbox-close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

.lightbox img {
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox.active img {
    transform: scale(1);
}

.lightbox-caption {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 1.5rem;
    text-align: center;
}