.logo-header {
    height: 50px !important; 
    width: auto;
    object-fit: contain;
}

.card-img-top {
    width: 100%;
    height: 250px; 
    object-fit: cover; 
    background-color: #f8f9fa; 
}

.card {
    margin-bottom: 20px;
    border: none;
    transition: transform 0.3s;
}

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

.btn-whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    text-decoration: none;
    z-index: 1000;
}