.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    padding: 4rem 5%;
}
.project-card {
    aspect-ratio: 1 / 1;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}
.project-image-container {
    height: 75%; 
    background-color: var(--background-color);
}
.project-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
}
.project-info {
    height: 25%;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid var(--border-color);
    position: relative;
}
.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    text-align: center;
}
.project-description {
    position: absolute;
    bottom: 100%; 
    left: 50%;
    margin-bottom: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 10px);
    pointer-events: none;
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    font-size: 0.9rem;
    line-height: 1.4;
    text-align: center;
    width: max-content;
    max-width: 320px;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 10;
}
.project-info:hover .project-description {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}