/* ==========================================================================
   Portfolio Section CSS - Sokrat Development
   Project Gallery with Lightbox Effect
   ========================================================================== */

.portfolio {
    background: var(--bg-secondary);
}

/* Filter Buttons */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-3) var(--space-6);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--primary-500);
}

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

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* Portfolio Item */
.portfolio-item {
    opacity: 1;
    transform: scale(1);
    transition: all var(--transition-base);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
    position: absolute;
}

/* Portfolio Card */
.portfolio-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-slow) var(--ease-out);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-500);
    box-shadow: var(--shadow-2xl);
}

/* Portfolio Image */
.portfolio-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-primary));
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.1);
}

/* Overlay */
.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(10, 10, 15, 0.9) 0%,
        rgba(10, 10, 15, 0.5) 50%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.overlay-content {
    display: flex;
    gap: var(--space-4);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

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

.overlay-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: white;
    font-size: var(--fs-lg);
    transition: all var(--transition-base);
}

.overlay-link:hover {
    background: var(--primary-500);
    border-color: var(--primary-500);
    transform: scale(1.1);
}

/* Portfolio Content */
.portfolio-content {
    padding: var(--space-6);
}

.portfolio-tags {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.tag {
    padding: var(--space-1) var(--space-3);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--primary-400);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-full);
}

.portfolio-title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.portfolio-description {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
}

/* Coming Soon Card */
.portfolio-card.coming-soon {
    cursor: default;
}

.portfolio-card.coming-soon .portfolio-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--primary-900));
}

.coming-soon-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.coming-soon-content i {
    font-size: var(--fs-4xl);
    color: var(--primary-400);
    animation: float 3s ease-in-out infinite;
}

.coming-soon-content span {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    letter-spacing: var(--ls-wide);
}

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

@media (max-width: 640px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-btn {
        padding: var(--space-2) var(--space-4);
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-90);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
}

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

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: var(--fs-lg);
    z-index: 10;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--primary-500);
    border-color: var(--primary-500);
}

.modal-body {
    padding: var(--space-8);
    overflow-y: auto;
    max-height: 80vh;
}