.providers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 30px;
    padding: 30px;
    perspective: 1000px;
}

.provider-card {
    position: relative;
    width: 140px;
    height: 140px;
    background-color: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 0 0px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    border: none;
}

.provider-card:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 0 25px rgba(0, 224, 255, 0.7);
}

.provider-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: filter 0.3s ease;
}

.provider-card:hover .provider-logo {
    filter: brightness(1.1);
}

.provider-name {
    display: none; 
}

.provider-card.available {
    box-shadow: 0 0 15px #00e0ff;
}

.provider-card.available::after {
    content: '\f00c'; 
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #00e0ff;
    color: #121212;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 0 10px rgba(0, 224, 255, 0.5);
    z-index: 11;
}

.provider-tooltip {
    position: absolute;
    bottom: -35px;
    background-color: #00e0ff;
    color: #121212;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
    z-index: 10;
}

.provider-card:hover .provider-tooltip {
    opacity: 1;
    transform: translateY(0);
}