/* Sticky Footer & Layout */
html, body {
    height: 100%;
}

/* Default adjustable sizing for the about photo (viewport-relative) */
:root {
    --fotoabout-max-height: 40vh;
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1; /* Pushes footer to the bottom */
}

/* Navbar & Logo */
.RGlogolinksboven {
    max-height: 40px;
}
.fotoabout img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 450px;
}

/* Portfolio Cards */
.portfolio-card {
    transition: 0.3s;
    border: none;
}

.portfolio-card:hover {
    transform: translateY(-5px);
}

.portfolio-card img {
    height: 220px;
    object-fit: cover;
}

/* Filter Buttons */
.filter-btn {
    min-width: 120px;
}