/* Projects Section */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.1);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.project-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-neon);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 240, 255, 0.3);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.project-card:hover .project-glow {
    opacity: 1;
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.project-emoji {
    font-size: 4rem;
    transition: transform var(--transition-normal);
}

.project-card:hover .project-emoji {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.overlay-label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    color: var(--neon-cyan);
}

.overlay-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    color: var(--neon-cyan);
    transition: all var(--transition-normal);
}

.overlay-icon svg {
    width: 20px;
    height: 20px;
}

.overlay-content:hover .overlay-icon {
    background: var(--neon-cyan);
    color: var(--color-bg-dark);
}

.project-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--neon-yellow);
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-bg-dark);
}

.project-content {
    padding: var(--space-lg);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.project-category,
.project-year {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-category {
    color: var(--neon-pink);
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.tech-tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-links {
    display: flex;
    gap: var(--space-md);
}

.project-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.project-link svg {
    width: 16px;
    height: 16px;
}

.project-link:hover {
    color: var(--neon-cyan);
}

.project-number {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-bg-tertiary);
    line-height: 1;
    z-index: 0;
}

.project-card.featured {
    grid-column: span 2;
}

.projects-cta {
    text-align: center;
}