/* Portfolio Hero is similar to Services Hero */
.page-hero {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 80px 0;
    text-align: center;
}
.page-hero h1 { color: var(--color-light); }

.portfolio-grid-section {
    padding: 80px 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-tile {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: transform 0.4s;
    cursor: pointer;
    height: 350px;
}

.project-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-tile:hover img {
    transform: scale(1.05);
}

.tile-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--color-light);
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.4s ease-out;
}

.project-tile:hover .tile-overlay {
    transform: translateY(0);
}

.tile-overlay h3 {
    color: var(--color-secondary);
    margin-bottom: 5px;
}

.tile-overlay p {
    font-size: 0.9rem;
    margin-bottom: 15px;
}