.filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin: 2rem auto 3.5rem;
    padding: 0 1.5rem;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    padding: 0.6rem 1.6rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: all var(--transition-fast);
    outline: none;
    border-radius: 0;
}

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

.filter-btn.active {
    background-color: var(--color-yellow);
    color: var(--bg-color);
    border-color: var(--color-yellow);
    font-weight: 800;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    padding: 0 1.5rem;
}

.project-card {
    display: block;
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background-color: #1a1a1a;
    text-decoration: none;
    transition: opacity var(--transition-fast), transform var(--transition-smooth);
}

.project-thumbnail {
    width: 100%;
    height: 100%;
}

.project-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.project-card:hover .project-thumbnail img {
    transform: scale(1.04);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(17, 17, 17, 0.88);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2.5rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 2;
}

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

.project-overlay-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-date {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--color-muted);
}

.project-badge {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    padding: 0.25rem 0.6rem;
    background-color: rgba(253, 248, 53, 0.1);
    color: var(--color-yellow);
    border: 1px solid var(--color-yellow);
    border-radius: 0;
    text-transform: uppercase;
}

.project-title {
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    color: var(--text-color);
    line-height: 1.05;
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.project-card:hover .project-title {
    color: var(--color-yellow);
}

@media (max-width: 1024px) {
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
        padding: 0 1rem;
    }
}

@media (max-width: 650px) {
    .project-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 0 1rem;
    }

    .filter-bar {
        gap: 0.5rem;
        padding: 0 1rem;
    }

    .filter-btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
}