.card-pdf {
    background: white;
    max-width: 400px;
    margin: 40px auto;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    text-align: center;
    transition: 0.3s;
}

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

.card-pdf .logo {
    width: 120px;
    margin-bottom: 15px;
}

.card-pdf h3 {
    color: #6a0dad;
    margin-bottom: 15px;
}

.card-pdf p {
    margin-bottom: 8px;
    font-size: 14px;
}

.btn-download {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 20px;
    background: linear-gradient(90deg, #6a0dad, #9b59b6);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    transition: 0.3s;
}

.btn-download:hover {
    opacity: 0.85;
    transform: scale(1.05);
}