/* ==========================================================================
   NEUMORPHIC PORTFOLIO - FÚLVIO TANURE
   MODULAR STYLE: PORTFOLIO GALLERY SECTION
   ========================================================================== */

.portfolio-section {
    padding: 100px 0;
    position: relative;
}

.filter-tabs-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 3.5rem;
}

.filter-tabs {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 50px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    border: none;
    background: none;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.filter-btn.active {
    color: var(--text-primary);
    box-shadow: var(--shadow-in-sm);
    background-color: var(--card-color);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2.5rem;
}

.portfolio-item {
    overflow: hidden;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: scale(1);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), opacity var(--transition-normal), background-color var(--transition-normal);
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-img-container {
    width: 100%;
    height: 200px;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-in-sm);
    border: 1px solid var(--glass-border);
}

/* Custom Neon Art Visuals in Placeholders */
.placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover .placeholder-img {
    transform: scale(1.05);
}

.img-neon-cyan {
    background: radial-gradient(circle at center, #0e1726 0%, #060b13 100%);
    color: var(--accent-cyan);
    filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.4));
}

.img-neon-purple {
    background: radial-gradient(circle at center, #19142b 0%, #0a0812 100%);
    color: var(--accent-purple);
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.4));
}

.img-neon-blue {
    background: radial-gradient(circle at center, #0f132e 0%, #070917 100%);
    color: var(--accent-indigo);
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.4));
}

.img-neon-pink {
    background: radial-gradient(circle at center, #261121 0%, #0f060d 100%);
    color: var(--accent-pink);
    filter: drop-shadow(0 0 10px rgba(236, 72, 153, 0.4));
}

.item-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-info {
    padding: 1.5rem 0.5rem 0.5rem 0.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-item-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.portfolio-item-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.p-tag {
    background-color: var(--bg-color);
    box-shadow: var(--shadow-in-sm);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    border: 1px solid var(--glass-border);
}

/* ==========================================================================
   RESPONSIVENESS (PORTFOLIO SECTION)
   ========================================================================== */
@media (max-width: 768px) {
    .portfolio-section {
        padding: 60px 0;
    }

    .filter-tabs-wrapper {
        justify-content: flex-start;
        margin-bottom: 2rem;
        width: calc(100% + 3rem);
        margin-left: -1.5rem; /* pull left to align with edge */
        margin-right: -1.5rem; /* pull right to align with edge */
        padding: 0 1.5rem 0.5rem 1.5rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .filter-tabs-wrapper::-webkit-scrollbar {
        display: none;
    }

    .filter-tabs {
        flex-wrap: nowrap !important;
        justify-content: flex-start !important;
        gap: 0.5rem;
        padding: 0.4rem;
    }

    .filter-btn {
        white-space: nowrap;
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

/* ==========================================================================
   PORTFOLIO MODAL (LIGHTBOX)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    position: relative;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    border-radius: 24px;
    background-color: var(--bg-color);
    box-shadow: var(--shadow-out);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 10;
    background-color: var(--bg-color);
    box-shadow: var(--shadow-out);
    transition: all 0.2s ease;
}

.modal-close-btn:hover {
    color: var(--accent-pink);
    box-shadow: var(--shadow-in-sm);
}

.modal-content-layout {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    margin-top: 1rem;
}

.modal-img-col {
    flex: 1.5;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-in-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--glass-bg);
}

.modal-img-col img, .modal-img-col svg {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 16px;
}

.modal-info-col {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.modal-title {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-heading);
}

.modal-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Modal Responsive */
@media (max-width: 992px) {
    .modal-content-layout {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .modal-img-col img, .modal-img-col svg {
        max-height: 50vh;
    }
}

@media (max-width: 768px) {
    .modal-card {
        padding: 1.5rem;
        padding-top: 4rem;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
}

/* ==========================================================================
   IMAGE ZOOM OVERLAY
   ========================================================================== */
.zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.zoom-overlay.active {
    opacity: 1;
}

.zoom-overlay img {
    margin: auto;
    max-width: 95vw;
    max-height: 95vh;
    object-fit: contain;
    cursor: zoom-in;
    transition: max-width 0.3s ease, max-height 0.3s ease;
}

.zoom-overlay img.zoomed {
    max-width: none;
    max-height: none;
    cursor: zoom-out;
}