/* Fixed square card container */
.logo-card {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    border-radius: 0.5rem;
    padding: 1.5rem;
    border: 1px solid #e5e5e5;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
    width: 100%;
    aspect-ratio: 1 / 1;
    /* Creates a perfect square */
    overflow: hidden;
    /* Ensures nothing spills outside the square */
}

/* Logo image: contain within the square without stretching */
.logo-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Ensures image fits inside without cropping or zooming */
    padding: 0.5rem;
    /* Gives a little breathing room around the image */
    filter: grayscale(100%);
    opacity: 0.8;
    transition: filter 0.25s ease, opacity 0.25s ease;
}

/* Optional: If you want to limit the maximum logo size within the square */
.logo-card img {
    max-width: 80%;
    /* Prevents overly large logos from touching edges */
    max-height: 80%;
}

/* Hover effects */
.logo-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.12);
    border-color: #d0d0d0;
}

.logo-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* Ensure columns have consistent height */
.col {
    display: flex;
}


footer {
    background: #111;
    color: #ccc;
    padding: 40px 0;
}

footer a {
    color: #aaa;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

/* Minimal fix - add to bottom of your CSS */
html {
    height: 100%;
}

body {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* The content wrapper before footer */
.container-fluid {
    flex: 1;
}